WO2023212948A1 - 无线通信的方法和设备 - Google Patents
无线通信的方法和设备 Download PDFInfo
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- WO2023212948A1 WO2023212948A1 PCT/CN2022/091291 CN2022091291W WO2023212948A1 WO 2023212948 A1 WO2023212948 A1 WO 2023212948A1 CN 2022091291 W CN2022091291 W CN 2022091291W WO 2023212948 A1 WO2023212948 A1 WO 2023212948A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
- H04L5/0035—Resource allocation in a cooperative multipoint environment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/022—Site diversity; Macro-diversity
- H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/20—Interfaces between hierarchically similar devices between access points
Definitions
- the embodiments of the present application relate to the field of communications, and specifically relate to a wireless communication method and device.
- the AP can support one or more multi-AP collaborative transmission modes.
- APs need to interact during the collaboration preparation phase.
- the information is different, and the complexity of AP implementation is high. Therefore, how to design and reduce the implementation complexity of multi-AP collaboration is an urgent problem that needs to be solved.
- This application provides a wireless communication method and device, which is beneficial to reducing the implementation complexity of multi-AP collaboration.
- a wireless communication method including: a first access point AP sending a first request frame to at least one second AP, the first request frame including first indication information and/or target cooperative transmission command, wherein the first indication information is used to indicate a first target cooperative transmission mode, and the first target cooperative transmission mode is a cooperative transmission mode in which the first AP requests the participation of the at least one second AP, and the The target cooperative transmission command is a cooperative transmission command corresponding to the first target cooperative transmission mode.
- a wireless communication method including: a second access point AP receiving a first request frame sent by the first AP, where the first request frame includes first indication information and/or a target cooperative transmission command.
- the first indication information is used to indicate a first target cooperative transmission mode
- the first target cooperative transmission mode is a cooperative transmission mode in which the first AP requests the second AP to participate
- the target cooperative transmission mode is a cooperative transmission mode in which the first AP requests the second AP to participate
- the command is a cooperative transmission command corresponding to the first target cooperative transmission mode.
- a third aspect provides an access point for executing the method in the above first aspect or its respective implementations.
- the access point includes a functional module for performing the method in the above first aspect or its respective implementations.
- a fourth aspect provides an access point for executing the method in the above second aspect or its respective implementations.
- the access point includes a functional module for performing the method in the above second aspect or its respective implementations.
- the fifth aspect provides an access point, including a processor and a memory.
- the memory is used to store computer programs, and the processor is used to call and run the computer programs stored in the memory to execute the method in the above first aspect or its implementations.
- a sixth aspect provides an access point, including a processor and a memory.
- the memory is used to store computer programs, and the processor is used to call and run the computer programs stored in the memory, and execute the method in the above second aspect or its respective implementations.
- a seventh aspect provides a chip for implementing any one of the above-mentioned first to second aspects or the method in each implementation manner thereof.
- the chip includes: a processor, configured to call and run a computer program from a memory, so that the device installed with the device executes any one of the above-mentioned first to second aspects or implementations thereof. method.
- An eighth aspect provides a computer-readable storage medium for storing a computer program, the computer program causing the computer to execute any one of the above-mentioned first to second aspects or the method in each implementation thereof.
- a computer program product including computer program instructions, which cause a computer to execute any one of the above-mentioned first to second aspects or the method in each implementation thereof.
- a tenth aspect provides a computer program that, when run on a computer, causes the computer to execute any one of the above-mentioned first to second aspects or the method in each implementation thereof.
- the first AP can request at least one second AP to participate in the multi-AP coordinated transmission of the first target coordinated transmission mode through the first request frame, and indicate to the at least one second AP that the first target coordinated transmission mode is relevant collaborative transmission commands, thereby enabling a unified multi-AP collaboration preparation process, which helps reduce the complexity of multi-AP collaborative transmission.
- Figure 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
- Figure 2 is a schematic diagram of a wired multi-AP collaboration architecture applicable according to the embodiment of the present application.
- Figure 3 is a schematic diagram of a wireless multi-AP collaboration architecture applicable according to an embodiment of the present application.
- Figure 4 is a schematic interaction diagram of a wireless communication method provided according to an embodiment of the present application.
- Figure 5 is a schematic interaction diagram of a wireless communication method according to an embodiment of the present application.
- Figure 6 is a schematic interaction diagram of a wireless communication method according to another embodiment of the present application.
- Figure 7 is a schematic interaction diagram of a wireless communication method according to yet another embodiment of the present application.
- Figure 8 is a schematic diagram of the frame format of a cooperative transmission request frame provided by an embodiment of the present application.
- FIG. 9 is a schematic format diagram of the cooperative transmission mode field used in the cooperative transmission request frame in FIG. 8 .
- FIG. 10 is another schematic format diagram of the cooperative transmission mode field used in the cooperative transmission request frame in FIG. 8 .
- FIG 11 is a schematic format diagram of the C-BF command field in the cooperative transmission request frame in Figure 8.
- Figure 12 is a schematic format diagram of the C-OFDMA command field in the cooperative transmission request frame in Figure 8.
- Figure 13 is a schematic format diagram of the C-SR command field in the coordinated transmission request frame in Figure 8.
- Figure 14 is a schematic format diagram of the J-TX command field in the cooperative transmission request frame in Figure 8.
- Figure 15 is a schematic diagram of the frame format of a trigger frame.
- Figure 16 is a schematic diagram of a frame format that carries the first indication information and the target cooperative transmission command through the general information field of the trigger frame.
- 17 to 20 are exemplary format diagrams of relevant cooperative transmission mode command fields in the trigger frame in FIG. 16 .
- Figure 21 is a schematic diagram of a frame format in which only the first indication information is carried through the communication information field of the trigger frame.
- Figure 22 is a schematic diagram of the format of carrying a target cooperative transmission command through the special user information field of the trigger frame (specifically, the user information of the trigger frame type).
- 23 to 26 are exemplary format diagrams of the user information field of the trigger frame type in FIG. 22 .
- Figure 27 is a schematic diagram of the frame format of a cooperative transmission command carried by the newly defined user information field of the trigger frame.
- Figure 28 is a schematic diagram of a frame format in which the first indication information and the target cooperative transmission command are carried through the user information field of the trigger frame.
- Figure 29 is a schematic diagram of the frame format of a cooperative transmission response frame provided by an embodiment of the present application.
- FIG. 30 is a schematic format diagram of the accepted cooperative transmission mode field in the cooperative transmission response frame in FIG. 29 .
- FIG. 31 is another schematic format diagram of the accepted cooperative transmission mode field in the cooperative transmission response frame in FIG. 29 .
- FIG. 32 is a schematic format diagram of the participating STA list field in the cooperative transmission response frame in FIG. 29 .
- Figure 33 is a schematic format diagram of the participating C-BF information field in the coordinated transmission response frame in Figure 29.
- Figure 34 is a schematic format diagram of the participating J-TX information field in the coordinated transmission response frame in Figure 29.
- FIG. 35 is a schematic format diagram of the participating C-OFDMA information field in the cooperative transmission response frame in FIG. 29.
- Figure 36 is a schematic format diagram of the participating C-SR information field in the coordinated transmission response frame in Figure 29.
- Figure 37 is a schematic diagram of the frame format of another cooperative transmission response frame provided by an embodiment of the present application.
- Figures 38-41 are schematic format diagrams of the cooperative transmission mode information field in the cooperative transmission response frame in Figure 37.
- Figure 42 is a schematic diagram of the frame format of a cooperative transmission notification frame provided by an embodiment of the present application.
- FIG. 43 is a schematic format diagram of the adopted cooperative transmission mode field in the cooperative transmission notification frame in FIG. 42 .
- FIG. 44 is another schematic format diagram of the adopted cooperative transmission mode field in the cooperative transmission notification frame in FIG. 42 .
- FIG. 45 is a schematic format diagram of the participating AP list field in the cooperative transmission notification frame in FIG. 42 .
- Figure 46 is a schematic format diagram of the C-BF/J-TX parameter field in the coordinated transmission notification frame in Figure 42.
- Figure 47 is a schematic format diagram of the C-SR parameter field in the coordinated transmission notification frame in Figure 42.
- Figure 48 is a schematic format diagram of the C-UL-MU-MIMO parameter field in the coordinated transmission notification frame in Figure 42.
- Figure 49 is a schematic format diagram of the C-OFDMA parameter field in the coordinated transmission notification frame in Figure 42.
- Figure 50 is a schematic block diagram of an access point provided by an embodiment of the present application.
- Figure 51 is a schematic block diagram of another access point provided by an embodiment of the present application.
- Figure 52 is a schematic block diagram of a communication device provided by an embodiment of the present application.
- Figure 53 is a schematic block diagram of a chip provided by an embodiment of the present application.
- Figure 54 is a schematic block diagram of a communication system provided by an embodiment of the present application.
- WLAN Wireless Local Area Networks
- WiFi Wireless Fidelity
- other communication systems such as: Wireless Local Area Networks (WLAN), Wireless Fidelity (Wireless Fidelity, WiFi) or other communication systems.
- WLAN Wireless Local Area Networks
- WiFi Wireless Fidelity
- WiFi Wireless Fidelity
- the communication system 100 applied in the embodiment of the present application is shown in Figure 1 .
- the communication system 100 may include an access point (Access Point, AP) 110, and a station (STATION, STA) 120 that accesses the network through the access point 110.
- Access Point Access Point
- STA station
- AP is also called AP STA, that is, in a certain sense, AP is also a kind of STA.
- STA is also called non-AP STA (non-AP STA).
- Communication in the communication system 100 may be communication between AP and non-AP STA, communication between non-AP STA and non-AP STA, or communication between STA and peer STA, where peer STA It can refer to the device that communicates peer-to-peer with the STA.
- the peer STA may be an AP or a non-AP STA.
- the AP is equivalent to a bridge connecting the wired network and the wireless network. Its main function is to connect various wireless network clients together and then connect the wireless network to the Ethernet.
- the AP device can be a terminal device with a WiFi chip (such as a mobile phone) or a network device (such as a router).
- the role of STA in the communication system is not absolute.
- the mobile phone when the mobile phone is connected to the router, the mobile phone is a non-AP STA.
- the mobile phone When the mobile phone is used as a hotspot for other mobile phones, the mobile phone acts as an AP. .
- AP and non-AP STA can be devices used in the Internet of Vehicles, IoT nodes, sensors, etc. in the Internet of Things (IoT), smart cameras, smart remote controls, smart water meters, etc. in smart homes. and sensors in smart cities, etc.
- IoT Internet of Things
- non-AP STAs may support the 802.11be standard.
- Non-AP STA can also support 802.11ax, 802.11ac, 802.11n, 802.11g, 802.11b and 802.11a and other current and future 802.11 family wireless LAN (wireless local area networks, WLAN) standards.
- the AP may be a device supporting the 802.11be standard.
- the AP can also be a device that supports multiple current and future 802.11 family WLAN standards such as 802.11ax, 802.11ac, 802.11n, 802.11g, 802.11b, and 802.11a.
- the STA may be a mobile phone (Mobile Phone), tablet computer (Pad), computer, virtual reality (Virtual Reality, VR) device, augmented reality (Augmented Reality, AR) device that supports WLAN or WiFi technology, Wireless equipment in industrial control, set-top boxes, wireless equipment in self-driving, vehicle communication equipment, wireless equipment in remote medical, and wireless equipment in smart grid , wireless equipment in transportation safety, wireless equipment in smart city (smart city) or wireless equipment in smart home (smart home), wireless communication chips/ASIC/SOC/, etc.
- the frequency bands that WLAN technology can support may include, but are not limited to: low frequency bands (such as 2.4GHz, 5GHz, 6GHz) and high frequency bands (such as 60GHz).
- Figure 1 exemplarily shows one AP STA and two non-AP STAs.
- the communication system 100 may include multiple AP STAs and other numbers of non-AP STAs. This is not the case in the embodiment of the present application. Make limitations.
- the communication device may include an access point 110 and a station 120 with communication functions.
- the access point 110 and the station 120 may be the specific devices described above, which will not be described again here.
- the communication device may also include other devices in the communication system 100, such as network controllers, gateways and other network entities, which are not limited in the embodiments of this application.
- the "instruction” mentioned in the embodiments of this application may be a direct instruction, an indirect instruction, or an association relationship.
- a indicates B which can mean that A directly indicates B, for example, B can be obtained through A; it can also mean that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also mean that there is an association between A and B. relation.
- correlate can mean that there is a direct correspondence or indirect correspondence between the two, it can also mean that there is an associated relationship between the two, or it can mean indicating and being instructed, configuration and being. Configuration and other relationships.
- predefinition can be achieved by pre-saving corresponding codes, tables or other methods that can be used to indicate relevant information in the device (for example, including access points and sites).
- This application is specific to its The implementation method is not limited.
- predefined can refer to what is defined in the protocol.
- the "protocol” may refer to a standard protocol in the communication field, which may include, for example, the WiFi protocol and related protocols applied in future WiFi communication systems. This application does not limit this.
- the establishment of a multi-AP collaboration set includes the following two phases: a multi-AP collaboration capability discovery phase and a multi-AP collaboration set establishment phase.
- APs can discover each other's multi-AP collaboration capabilities by receiving beacon frames or other management frames sent by neighboring APs.
- the AP that initiates multi-AP cooperative transmission is called the master AP (Master AP, MAP).
- the MAP selects its surrounding slave AP (Slave AP, SAP) (one or more SAPs) to participate in the multi-AP Collaborative transmission.
- MAP and SAP will exchange some information for configuring multi-AP collaboration sets. The specific steps and exchange information are as follows:
- MAP sends a request (Request) frame to SAP, which mainly includes the following information: assigning the identity (ID) of SAP in multi-AP cooperative transmission, and assigning the ID of multi-AP cooperative set;
- the SAP replies to the MAP with a Response frame, which mainly includes the following information: information about the STA associated with the SAP, including the STA's ID and ability information to participate in multi-AP collaborative transmission; the priority of the STA in participating in multi-AP collaborative transmission.
- APs participating in multi-AP cooperative transmission may include the following roles:
- MAP Master AP
- SAP Seve AP
- coordinating AP Coordinating AP
- coordinated AP Coordinated AP
- sharing AP Sharing AP
- shared AP Shared AP
- the AP in the MAP role initiates a multi-AP collaboration set establishment request to the SAP role AP; in the channel detection phase, the collaboration AP in the collaboration AP role initiates channel sounding.
- the AP in the coordinated AP role participates in channel detection; in the preparation phase and/or the coordinated transmission (Coordinated Transmission) phase, the AP sharing the AP role shares its transmission opportunity (TXOP) resources to the shared AP
- TXOP transmission opportunity
- this application can be applied to the wired multi-AP cooperative transmission architecture as shown in Figure 2, and can also be applied to the wireless multi-AP cooperative transmission architecture as shown in Figure 3.
- the coordinator (Coordinator) in the network is in a certain AP and controls other APs through wired connections; as shown in (b) in Figure 2 Indicates that there is an independent coordinator (Coordinator) in the network, which controls other APs through wired connections.
- the establishment of multi-AP cooperative set is directly set by the network operator at the controller (Controller).
- the coordinator (Coordinator) in the network is located in a certain AP (called MAP) and controls other APs (called SAP) wirelessly.
- MAP a certain AP
- SAP other APs
- the AP can support one or more of the following multi-AP collaborative transmission modes:
- C-BF Coordinated Beamforming
- C-OFDMA Coordinated Orthogonal Frequency Division Multiple Access
- C-SR Coordinated Spatial Reuse
- J-TX Joint Transmission
- C-UL MU MIMO Coordinated Uplink Multiple-User Multiple Input Multiple Output
- FIG 4 is a schematic interaction diagram of a wireless communication method 200 according to an embodiment of the present application. As shown in Figure 4, the method 200 includes the following content:
- the first access point AP sends a first request frame to at least one second AP.
- the at least one second AP receives the first request frame of the first AP.
- the first request frame includes first indication information and/or a target coordinated transmission command, wherein the first indication information is used to indicate a first target coordinated transmission mode, and the first target coordinated transmission mode is the first
- the AP requests a cooperative transmission mode in which the at least one second AP participates, and the target cooperative transmission command is a cooperative transmission command corresponding to the first target cooperative transmission mode.
- the first request frame is also called a coordinated transmission request (Coordinated TX Request) frame, or a multi-AP preparation trigger frame (Multi-AP Preparation Trigger frame), or other similar names are used. This application does not limit this. .
- the first AP and the at least one second AP belong to a multi-AP cooperative set.
- the first AP is a sharing AP (Sharing AP)
- the second AP is a shared AP (Shared AP).
- the first AP is a MAP and the second AP is a SAP.
- the first target cooperative transmission mode may include at least one of the following modes:
- C-BF mode C-OFDMA mode
- C-SR mode C-SR mode
- J-TX mode C-UL MU-MIMO mode.
- the first AP may request at least one second AP to participate in multi-AP coordinated transmission of the first target coordinated transmission mode through the first request frame, and indicate the first target coordinated transmission mode to the at least one second AP.
- Related collaborative transmission commands can realize a unified multi-AP collaboration preparation process, which is helpful to reduce the complexity of multi-AP collaborative transmission.
- the target cooperative transmission command may be used to query the at least one second AP whether to participate in multi-AP cooperative transmission in the C-OFDMA mode and/or to Multi-AP cooperative transmission in C-OFDMA mode allocates frequency domain resources, such as Resource Unit (RU) or Multiple Resource Unit (MRU).
- RU Resource Unit
- MRU Multiple Resource Unit
- the target coordinated transmission command may be used to query the at least one second AP whether to participate in multi-AP coordinated transmission in the C-BF mode, and/or , requesting the second AP to report channel state information (Channel State Information, CSI).
- channel state information Channel State Information, CSI
- the target coordinated transmission command may be used to query the at least one second AP whether to participate in multi-AP coordinated transmission in J-TX mode, and/or , requesting the second AP to report CSI.
- the target cooperative transmission command may be used to query the at least one second AP whether to participate in the multi-AP of C-UL MU-MIMO mode. Collaborative transmission.
- the target coordinated transmission command may be used to query the at least one second AP whether to participate in the multi-AP coordinated transmission of the C-SR mode, and/or , requesting the second AP to report the received signal strength indicator (Received Signal Strength Indicator, RSSI).
- RSSI Received Signal Strength Indicator
- the multi-AP cooperative transmission in which the AP participates in the C-BF mode can also be referred to as the AP participating in the C-BF mode.
- the AP participating in the C-BF mode can also be referred to as the AP participating in the C-BF mode.
- the same is true for other multi-AP cooperation modes, which will not be described again here.
- the first indication information indicates the cooperative transmission mode in which the first AP requests the participation of the at least one second AP in a bitmap manner.
- the number of bits occupied by the first indication information may be equal to the total number P of candidate multi-AP cooperation modes.
- the first indication information includes a plurality of bits, each bit corresponds to one of multiple cooperative transmission modes, and the value of each bit is used to indicate whether the first AP requests the at least one first AP.
- the two APs participate in the corresponding cooperative transmission mode. For example, a value of 1 indicates a request and a value of 0 indicates no request. Alternatively, a value of 1 indicates no request and a value of 0 indicates a request.
- the first indication information may be 5 bits, respectively used to indicate whether to request C-BF mode, C-OFDMA mode, C-SR mode, J-TX mode and C-UL MU-MIMO mode.
- the first AP may request the at least one second AP to participate in one or more modes of multi-AP coordinated transmission.
- Method 2 Different values of the first indication information are used to indicate that the first AP requests the cooperative transmission mode in which the at least one second AP participates.
- the number of bits occupied by the first indication information may be determined based on the total number P of candidate multi-AP cooperation modes.
- the candidate multi-AP cooperation mode includes five multi-AP cooperation modes: C-BF mode, C-OFDMA mode, C-SR mode, J-TX mode and C-UL MU-MIMO mode
- the first indication information can occupy 3 bits, and different values of the 3 bits are respectively used to indicate that the first AP requests to participate in the multi-AP cooperative transmission mode of the at least one second AP.
- the value of the 3 bits is 001, indicating a request to participate in C-BF mode, a value of 010, indicating a request to participate in C-OFDMA mode, a value of 011, indicating a request to participate in C-SR mode, and a value of 100, indicating a request to participate in J -TX mode, a value of 101 indicates a request to participate in C-UL MU-MIMO mode, where the values 000 and 110-111 are reserved values.
- the target collaborative transmission command includes at least one of the following information:
- OBSS Basic Service Set
- the target coordinated transmission command includes C-BF The cooperative transmission command corresponding to the mode.
- the cooperative transmission command corresponding to the C-BF mode includes at least one of the following information:
- whether to request to report the CSI between the second AP and the associated STA and whether to request to report the CSI between the second AP and the OBSS STA may also correspond to the same indication information.
- the first An AP can instruct the second AP to simultaneously report the CSI between the second AP and the associated STA and the CSI between the second AP and the OBSS STA, or it can also instruct the second AP not to report the CSI between the second AP and the associated STA.
- CSI and CSI between the second AP and OBSS STA may also correspond to the same indication information.
- the target coordinated transmission command includes J-TX mode.
- Cooperative transmission command corresponding to TX mode is a case where the first AP requests the second AP to participate in multi-AP coordinated transmission in J-TX mode (that is, the first target coordinated transmission mode includes J-TX mode).
- the cooperative transmission command corresponding to the J-TX mode includes at least one of the following information:
- the first request frame may include coordinated transmission commands corresponding to the C-BF mode and the J-TX mode respectively, or it may Share the same collaborative transmission command.
- the target coordinated transmission command includes C-OFDMA mode.
- the cooperative transmission command corresponding to OFDMA mode.
- the cooperative transmission command corresponding to the C-OFDMA mode includes:
- the target coordinated transmission command includes C-SR mode.
- Cooperative transmission command corresponding to SR mode is a case where the first AP requests the second AP to participate in multi-AP coordinated transmission in C-SR mode (that is, the first target coordinated transmission mode includes C-SR mode).
- the cooperative transmission command corresponding to the C-SR mode includes at least one of the following information:
- the target coordinated transmission commands include cooperative transmission commands corresponding to the C-UL MU-MIMO mode.
- the method 200 further includes:
- the first AP receives a first response frame sent by at least one second AP, where the first response frame is used to indicate whether the at least one second AP participates in multi-AP coordinated transmission of the first target coordinated transmission mode.
- the first response frame is also called a coordinated transmission response (Coordinated TX Response) frame, or other similar names, which is not limited in this application.
- a coordinated transmission response Coordinatd TX Response
- the first response frame includes second indication information and/or target coordinated transmission information
- the second indication information is used to indicate a second target coordinated transmission mode
- the second target coordinated transmission mode is The cooperative transmission mode in which the second AP participates, or the cooperative transmission mode that accepts participation
- the target cooperative transmission information is the cooperative transmission information corresponding to the second target cooperative transmission mode.
- the second AP can respond through the first response frame whether to participate in the multi-AP collaborative transmission requested by the first AP. In the case of participation, the second AP can report relevant collaborative transmission information to the first AP, thereby achieving unification.
- the multi-AP collaboration preparation process helps reduce the complexity of multi-AP collaborative transmission.
- the first AP may send the first request frame to the at least one second AP in a unicast, multicast, or broadcast manner.
- the first request frame may be sent by the first AP (for example, AP1) to the at least one second AP (for example, APm and APn) in one-to-one sequence.
- the first AP for example, AP1
- the at least one second AP for example, APm and APn
- the second AP that receives the first request frame may reply to the first response frame in turn.
- the second AP replies with a first response frame after receiving a short interframe space (SIFS) of the first request frame.
- SIFS short interframe space
- the first request frame may be sent by the first AP (for example, AP1) to the at least one second AP (for example, APm and APn) in a multicast or broadcast manner.
- first AP for example, AP1
- second AP for example, APm and APn
- each second AP that receives the first request frame may synchronously reply with the first response frame. For example, each second AP simultaneously replies with a first response frame after receiving the first request frame SIFS.
- At least one second AP can reply to the first response frame synchronously or asynchronously.
- the first request frame is included in an Aggregated Medium Access Control (MAC) Protocol Data Unit (A-MPDU), and the synchronization of the at least one second AP
- A-MPDU also includes a trigger frame
- the trigger frame is used to allocate sending resources to the at least one second AP and trigger the at least one second AP to send all data at the same time.
- the first response frame is included in an Aggregated Medium Access Control (MAC) Protocol Data Unit (A-MPDU), and the synchronization of the at least one second AP
- A-MPDU Aggregated Medium Access Control Protocol Data Unit
- the A-MPDU also includes a trigger frame, the trigger frame is used to allocate sending resources to the at least one second AP and trigger the at least one second AP to send all data at the same time.
- the first response frame is used to allocate sending resources to the at least one second AP and trigger the at least one second AP to send all data at the same time.
- the second target cooperative transmission mode may be a multi-AP cooperative transmission mode in which the first AP requests the second AP to participate in a multi-AP cooperative transmission mode in which the second AP accepts participation.
- the second target cooperative transmission mode may include at least one of the following modes:
- C-BF mode C-OFDMA mode
- C-SR mode C-SR mode
- J-TX mode C-UL MU-MIMO mode.
- the second AP may not accept any multi-AP cooperative transmission mode requested by the first AP.
- the second AP may not reply to the first response frame, or the second AP may also reply The first response frame, the second indication information in the first response frame is used to indicate that the second AP does not accept participation in any multi-AP cooperative transmission mode.
- the first response frame may not include the target cooperative transmission information.
- the target coordinated transmission information may be used to report the target RU or MRU selected by the second AP among the available RUs or MRUs provided by the first AP.
- the target coordinated transmission information may be used to report the participation status of the STA associated with the second AP for multi-AP coordinated transmission in the C-BF mode and/or Used to report CSI information.
- the target coordinated transmission information may be used to report the participation status of the STA associated with the second AP for multi-AP coordinated transmission in the J-TX mode and/or Used to report CSI information.
- the target coordinated transmission information may be used to report the STA associated with the second AP for multi-AP coordinated transmission of the C-UL MU-MIMO mode. participation status.
- the target coordinated transmission information may be used to report the RSSI information of the STA.
- Method 1 The second indication information is indicated in a bitmap manner.
- the number of bits occupied by the second indication information may be equal to the total number P of candidate multi-AP cooperation modes.
- the second indication information includes a plurality of bits, each bit corresponds to one of multiple cooperative transmission modes, and the value of each bit is used to indicate whether the second AP participates in the corresponding cooperative transmission mode.
- a value of 1 indicates acceptance and a value of 0 indicates rejection, or a value of 1 indicates rejection and a value of 0 indicates acceptance.
- the second indication information may be 5 bits, respectively used to indicate whether to accept C-BF mode, C-OFDMA mode, C-SR mode, J-TX mode and C-UL MU-MIMO mode.
- the second AP may instruct the second AP to accept participation in one or more modes of multi-AP coordinated transmission.
- Method 2 Different values of the second indication information are used to indicate that the second AP accepts participation in the coordinated transmission mode.
- the number of bits occupied by the second indication information may be determined based on the total number P of candidate multi-AP cooperation modes.
- the second indication information may occupy 3 bits, and different values of the 3 bits are respectively used to indicate that the second AP accepts participation in the multi-AP cooperative transmission mode.
- the value of the 3 bits is 001, indicating acceptance to participate in C-BF mode, the value 010, indicating acceptance of participation in C-OFDMA mode, the value 011, indicating acceptance of participation in C-SR mode, and the value 100, indicating acceptance of participation in J -TX mode, a value of 101 indicates acceptance of participation in C-UL MU-MIMO mode, in which the values 000 and 110-111 are reserved values.
- the target collaborative transmission information includes at least one of the following information:
- the list of STAs participating in the second target cooperative transmission mode can be indicated by STA ID (such as association identifier (Association ID, AID)), or can also be indicated by a bitmap. For example, whether each AP in the multi-AP cooperative transmission set participates in the third target cooperative transmission mode may be indicated through a bitmap.
- the list of STAs participating in the second target coordinated transmission mode may refer to the list of STAs participating in the second target coordinated transmission mode associated with the second AP.
- the list of STAs participating in the second target coordinated transmission mode may include a list of STAs corresponding to each coordinated transmission mode that the second AP accepts to participate in, or may include only one STA list, applicable to the second AP. All collaborative transfer modes accepted.
- the target cooperative transmission information may include a list of STAs associated with the second AP participating in the C-BF mode and a list of STAs associated with the second AP participating in the J-TX mode.
- the STA list or may include only one STA list, indicating that the STAs participating in the C-BF mode associated with the second AP are the same as the STAs participating in the J-TX mode associated with the second AP.
- the CSI between the second AP and the STA may refer to:
- CSI between the second AP and STAs participating in the second target cooperative transmission mode for example, including associated STAs and/or OBSS STAs.
- the CSI between the second AP and the STA may refer to:
- the CSI between the second AP and the associated STA and/or OBSS STA may include all CSI obtained by the second AP in the channel detection phase.
- the RSSI between the second AP and the STA may refer to:
- RSSI between the second AP and STAs participating in the second target cooperative transmission mode for example, including associated STAs and/or OBSS STAs.
- the RSSI between the second AP and the STA may refer to:
- the RSSI between the second AP and the associated STA and/or OBSS STA may include all RSSI obtained by the second AP during the channel detection phase.
- the target coordinated transmission information when the second target coordinated transmission mode includes the C-BF mode, includes coordinated transmission information corresponding to the C-BF mode.
- the cooperative transmission information corresponding to the C-BF mode includes at least one of the following:
- the cooperative transmission information corresponding to the C-BF mode includes at least one of the following:
- the at least one STA may include STAs participating in the C-BF mode and/or STAs not participating in the C-BF mode.
- the target coordinated transmission information when the second target coordinated transmission mode includes a J-TX mode, includes coordinated transmission information corresponding to the J-TX mode, and the coordinated transmission information corresponding to the J-TX mode
- the transmission information includes at least one of the following:
- the cooperative transmission information corresponding to the J-TX mode includes at least one of the following:
- the at least one STA may include STAs participating in the C-BF mode and/or STAs not participating in the C-BF mode.
- the target coordinated transmission information when the second target coordinated transmission mode includes a C-OFDMA mode, includes coordinated transmission information corresponding to the C-OFDMA mode, wherein the C-OFDMA mode corresponds to
- the cooperative transmission information includes: the RU or MRU selected by the second AP.
- the target coordinated transmission information when the second target coordinated transmission mode includes a C-SR mode, includes coordinated transmission information corresponding to the C-SR mode.
- the coordinated transmission information corresponding to the C-SR mode includes at least one of the following:
- the coordinated transmission information corresponding to the C-SR mode includes at least one of the following:
- the at least one STA may include STAs participating in the C-BF mode and/or STAs not participating in the C-BF mode.
- the target coordinated transmission information when the second target coordinated transmission mode includes C-UL MU-MIMO mode, includes coordinated transmission information corresponding to the C-UL MU-MIMO mode.
- the method 200 further includes:
- the first AP sends a first notification frame to at least one third AP, where the first notification frame is used to notify APs participating in coordinated transmission of collaborative transmission parameters used.
- the first notification frame is also called a coordinated transmission notification (Coordinated TX Announce) frame, or other similar names, which is not limited in this application.
- a coordinated transmission notification Coordinatd TX Announce
- the at least one third AP may be a second AP participating in the first target cooperation mode among the at least one second AP.
- the first notification frame includes first notification information, and the first notification information includes at least one of the following:
- the third indication information is used to indicate a third target cooperative transmission mode, where the third target cooperative transmission mode is the cooperative transmission mode determined to be adopted by the first AP;
- the target coordinated transmission parameter is used to indicate the coordinated transmission parameter corresponding to the third target coordinated transmission mode.
- the first AP can notify the second AP participating in multi-AP collaborative transmission of the multi-AP collaborative transmission mode and related collaborative transmission parameters through the first notification frame, so as to achieve a unified multi-AP collaboration preparation process and help reduce the number of multi-AP collaborative transmissions.
- Complexity of AP cooperative transmission is not limited to:
- the third target coordinated transmission mode is the same as the first target coordinated transmission mode, or may be different.
- the third target coordinated transmission mode includes part of the first target coordinated transmission mode, or the third target coordinated transmission mode.
- the three-target cooperative transmission mode includes a cooperative transmission mode in which the second AP accepts participation in the first target cooperative transmission mode.
- the third target cooperative transmission mode may include at least one of the following modes:
- C-BF mode C-OFDMA mode
- C-SR mode C-SR mode
- J-TX mode C-UL MU-MIMO mode.
- the target coordinated transmission parameter may be used to indicate the RU or MRU determined by the first AP to be allocated to the second AP.
- the target coordinated transmission parameters may be used to notify information of APs and STAs participating in the multi-AP coordinated transmission of the C-BF mode, and/or, participate in Steering matrix information used by APs for multi-AP collaborative transmission in C-BF mode.
- the target coordinated transmission parameter when the third target coordinated transmission mode includes a J-TX mode, may be used for steering matrix information used by APs participating in multi-AP coordinated transmission in the J-TX mode.
- the target cooperative transmission parameter may be used to notify the spatial stream ( Spatial Stream, SS).
- the target coordinated transmission parameter when the third target coordinated transmission mode includes a C-SR mode, may be used for transmit power information used by APs participating in multi-AP coordinated transmission of the C-SR mode.
- the steering matrix information used by APs participating in multi-AP collaborative transmission in C-BF mode may be calculated by APs participating in C-BF mode.
- the first AP may not need to pass
- the first notification frame notifies the steering matrix used by each AP participating in the C-BF mode, and each AP participating in the C-BF mode can use the steering matrix determined by itself for multi-AP cooperative transmission.
- the APs participating in the C-BF mode may be determined based on the information of the APs and STAs participating in the multi-AP cooperative transmission of the C-BF mode notified in the first notification frame.
- the APs participating in the C-BF mode may be From all CSI obtained in the channel detection phase, the AP and STAs not participating in C-BF mode (including STAs associated with the AP not participating in C-BF mode and OBSS STAs not participating in C-BF mode) are excluded. CSI), further, determine the steering matrix used by the AP based on the remaining CSI.
- the steering matrix information used by APs participating in multi-AP collaborative transmission in C-BF mode may be calculated by the first AP.
- the first AP may need to pass the first notification frame
- the steering matrix used by each AP participating in the C-BF mode is notified.
- each AP participating in the C-BF mode uses the steering matrix notified by the first notification frame to perform multi-AP cooperative transmission.
- the first AP may be determined based on the AP and STA information participating in multi-AP collaborative transmission in C-BF mode and CSI information reported in the first response frame sent by each second AP. The specific determination method is similar and will not be used here. Again.
- the target cooperative transmission parameters include at least one of the following:
- the target coordinated transmission parameters include coordinated transmission parameters for the C-BF mode.
- the target coordinated transmission parameters include coordinated transmission parameters for the C-OFDMA mode.
- the target coordinated transmission parameters include coordinated transmission parameters for the C-SR mode.
- the target coordinated transmission parameters include coordinated transmission parameters for the J-TX mode.
- the target coordinated transmission parameters include coordinated transmission parameters for the C-UL-MU-MIMO mode.
- the cooperative transmission parameters for C-BF mode include:
- the cooperative transmission parameters for J-TX mode include:
- the cooperative transmission parameters for C-OFDMA mode include:
- the cooperative transmission parameters for C-SR mode include:
- the cooperative transmission parameters for the C-UL-MU-MIMO mode include: a list of APs participating in the C-UL-MU-MIMO mode, for each AP participating in the C-UL-MU-MIMO mode. Spatial stream SS allocation information for each AP.
- the list of STAs participating in the third target coordinated transmission mode may include AP lists corresponding to APs participating in each coordinated transmission mode, or may include only one AP list, applicable to all coordinated transmission modes.
- the target coordinated transmission parameters may include AP lists corresponding to the C-BF mode and the J-TX mode respectively, or may share the same AP list.
- the list of APs participating in the third target cooperative transmission mode can be indicated by an AP ID, or can also be indicated by a bitmap.
- a multi-AP collaborative transmission set can be indicated by a bitmap. Whether each AP participates in the third target cooperative transmission mode.
- the first AP may notify the second AP participating in the third target coordinated transmission mode through the first notification frame to multiple APs participating in the third target coordinated transmission mode. Multi-AP cooperation parameters used for cooperative transmission.
- the first AP can notify the second AP participating in the third target cooperative transmission mode of the multi-mode multi-AP cooperative transmission mode through the first notification frame.
- AP collaborative transmission parameters As shown in Figure 5 and Figure 6, after the second AP replies to the first response frame, the first AP can notify the second AP participating in the third target cooperative transmission mode of the multi-mode multi-AP cooperative transmission mode through the first notification frame.
- AP collaborative transmission parameters As shown in Figure 5 and Figure 6, after the second AP replies to the first response frame, the first AP can notify the second AP participating in the third target cooperative transmission mode of the multi-mode multi-AP cooperative transmission mode through the first notification frame.
- the first AP may not send the first notification frame to the second AP participating in the third target cooperative transmission mode, but in the cooperative transmission phase, transmit the trigger frame (MAP Transmission Trigger frame) through MAP
- the first notification information is carried, wherein the MAP transmission trigger frame is used to trigger multi-AP coordinated transmission of the third target coordinated transmission mode.
- the cooperation preparation phase may also include a channel detection step and a data transmission step, wherein, in the channel detection step, the Sharing AP Joint or sequential channel detection can be initiated, and SharingAP or MAP can collect all CSI.
- the Sharing AP can send the collected CSI data to the Shared AP, and the Shared AP can confirm it.
- the cooperation preparation phase may also include an RSSI request step and an RSSI reporting step, where, in the RSSI request step, the Shared AP STA device RSSI can be requested, such as the RSSI between the STA and the associated AP or neighboring AP.
- the RSSI reporting step the STA can report RSSI information to the associated AP.
- the first request frame can be implemented through a control (Control) frame, or it can also be implemented through a trigger (Trigger) frame, which is not limited in this application.
- the first response frame is implemented through a control (Control) frame, or it can also be implemented through a management frame, such as a Quality-of-Service (Quality-of-Service, QoS Null) frame, such as by carrying QoS Null frame implementation of high throughput control (HT Control) field.
- Control Control
- QoS Null Quality-of-Service
- HT Control high throughput control
- the first AP i.e. AP1 sends a MAP Preparation Trigger frame to the second AP (e.g. APm and APn).
- the second AP that receives the MAP Preparation Trigger frame responds with HT Control at the same time after the SIFS time.
- QoS Null frame of the field further optionally, the first AP can notify the second AP participating in multi-AP cooperative transmission of the multi-AP cooperative transmission parameters used for multi-AP cooperative transmission through the first notification frame.
- the Sharing AP sends a Coordinated TX Request frame or MAP Preparation Trigger frame and the Shared AP replies with a Coordinated TX Response frame or QoS Null frame that can be combined in any way.
- the Sharing AP sends Coordinated TX Request frame
- Shared AP can also reply to QoS Null frame
- Sharing AP sends MAP Preparation Trigger frame Shared AP can also reply to Coordinated TX Response frame, which is not limited to those shown in Figure 5 to Figure 7 Correspondence.
- the first request frame may be implemented through a control frame.
- the first request frame may be a newly defined control frame.
- the first request frame when the first request frame is implemented through a control frame, the first request frame is also called a cooperative transmission request frame.
- Figure 8 shows a schematic frame format diagram of a cooperative transmission request frame provided by an embodiment of the present application.
- Frame Control occupies 2 bytes
- Length occupies 2 bytes
- Receiving Address (RA) (occupies 6 bytes)
- Transmission Address (TA) (occupies 6 bytes)
- Coordinated TX Request (occupies a variable number of bytes)
- Frame Check Sequence (FCS) (occupies 4 bytes).
- the cooperative transmission request field is used to carry the first indication information and/or the target cooperative transmission command.
- the collaborative transmission request field includes at least one of the following fields:
- the Coordinated TX Scheme Used field is used to indicate the coordinated transmission mode in which the first AP requests the second AP to participate, that is, used to carry the aforementioned first indication information;
- the C-BF Command field is used to indicate the cooperative transmission command corresponding to the C-BF mode
- the C-OFDMA Command field is used to indicate the cooperative transmission command corresponding to the C-OFDMA mode
- the C-SR Command field is used to indicate the cooperative transmission command corresponding to the C-SR mode
- the J-TX Command field is used to indicate the cooperative transmission command corresponding to the J-TX mode
- the C-UL MU-MIMO Command field is used to indicate the cooperative transmission command corresponding to the C-UL MU-MIMO mode.
- the Coordinated TX Scheme Used field includes at least one of the following fields:
- the C-BF (C-BF Used) field is used to indicate whether to request multi-AP collaborative transmission using C-BF mode
- the C-OFDMA (C-OFDMA Used) field is used to indicate whether to request multi-AP cooperative transmission using C-OFDMA mode;
- the C-SR (C-SR Used) field is used to indicate whether to request multi-AP collaborative transmission using C-SR mode
- J-TX (J-TX Used) field is used to indicate whether to request multi-AP cooperative transmission using J-TX mode
- the C-UL MU MIMO (C-UL MU-MIMO Used) field is used to indicate whether to request multi-AP cooperative transmission using C-UL MU MIMO mode.
- the value of the C-BF Used field is 1 to indicate that the Shared AP is requested to perform multi-AP collaborative transmission in C-BF mode.
- the collaborative transmission request frame includes the C-BF Command field;
- C-BF Used field A value of 0 indicates that the Shared AP is not requested to perform multi-AP collaborative transmission in C-BF mode.
- the collaborative transmission request frame does not include the C-BF Command field.
- the value of the C-OFDMA Used field is 1 to indicate that the Shared AP is requested to perform multi-AP collaborative transmission in the C-OFDMA mode.
- the collaborative transmission request frame includes the C-OFDMA Command field; the C-OFDMA Used field.
- a value of 0 indicates that the Shared AP is not requested to perform multi-AP cooperative transmission in C-OFDMA mode.
- the cooperative transmission request frame does not include the C-OFDMA Command field.
- the value of the C-SR Used field is 1 to indicate that the Shared AP is requested to perform multi-AP collaborative transmission in the C-SR mode.
- the collaborative transmission request frame includes the C-SR Command field; the C-SR Used field.
- a value of 0 indicates that the Shared AP is not requested to perform multi-AP collaborative transmission in C-SR mode.
- the collaborative transmission request frame does not include the C-SR Command field.
- the value of the J-TX Used field is 1 to indicate that the Shared AP is requested to perform multi-AP cooperative transmission in J-TX mode.
- the cooperative transmission request frame includes the J-TX Command field; the J-TX Used field.
- a value of 0 indicates that the Shared AP is not requested to perform multi-AP cooperative transmission in J-TX mode.
- the cooperative transmission request frame does not include the J-TX Command field.
- the value of the C-UL MU-MIMO Used field is 1 to indicate that the Shared AP is requested to perform multi-AP collaborative transmission in the C-UL MU-MIMO mode.
- the collaborative transmission request frame includes C-UL MU- MIMO Command field;
- the value of the C-UL MU-MIMO Used field is 0 to indicate that the Shared AP is not requested to perform multi-AP cooperative transmission in the C-UL MU-MIMO mode.
- the cooperative transmission request frame does not include C-UL MU-MIMO command field.
- the Coordinated TX Scheme Used field includes:
- the used coordinated transmission mode subfield (Coordinated TX Scheme Used subfield) is used to indicate the coordinated transmission mode in which the first AP requests the participation of the at least one second AP.
- the Coordinated TX Scheme Used field can be 8 bits
- the Coordinated TX Scheme Used subfield can be 3 bits
- the remaining 5 bits are reserved bits.
- the different values of the 3 bits are used to indicate different cooperative transmission modes requested by the first AP.
- the value of the 3 bits is 001, indicating a request to participate in C-BF mode, a value of 010, indicating a request to participate in C-OFDMA mode, a value of 011, indicating a request to participate in C-SR mode, and a value of 100, indicating a request to participate in J -TX mode, a value of 101 indicates a request to participate in C-UL MU-MIMO mode, where the values 000 and 110-111 are reserved values.
- the cooperative transmission request frame when the 3-bit indication requests the C-BF mode, the cooperative transmission request frame includes the C-BF Command field, or when the 3-bit indication requests the C-OFDMA mode, the cooperative transmission request frame includes the C-OFDMA Command field. field, or when the 3-bit indication requests the C-SR mode, the cooperative transmission request frame includes the C-SR Command field, or when the 3-bit indication requests the J-TX mode, the cooperative transmission request frame includes the J-TX Command field, or, when the 3-bit indication is to request the C-UL MU-MIMO mode, the cooperative transmission request frame includes the C-UL MU-MIMO Command field.
- the C-BF Command field includes at least one of the following fields:
- the Report CSI from Associated STAs field is used to indicate whether to report the CSI between the second AP and the associated STA;
- the CSI (Report CSI from OBSS STAs) field of the Report OBSS STA is used to indicate whether to report the CSI between the second AP and the OBSS STA.
- the C-BF Command field may be 8 bits
- the Report CSI from Associated STAs field may be 1 bit
- the Report CSI from OBSS STAs field may be 1 bit
- the remaining 6 bits are reserved bits.
- Report CSI from Associated STAs is set to 1 to indicate that the Shared AP needs to report the CSI between itself and the associated STA, and set to 0 to indicate that the Shared AP does not need to report the CSI between it and the associated STA.
- Report CSI from OBSS STAs is set to 1 to indicate that the Shared AP needs to report the CSI between it and the OBSS STA, and to 0 to indicate that the Shared AP does not need to report the CSI between it and the OBSS STA.
- the C-OFDMA Command field includes:
- the available RU/MRU (Available RU/MRU) field is used to indicate the RU or MRU that the first AP shares with the at least one second AP.
- the C-OFDMA Command field can be 0 or 2 bytes.
- the Available RU/MRU field can be 9 bits.
- the C-SR Command field includes at least one of the following fields:
- the RSSI Report CSI from Associated STAs
- the RSSI Report CSI from Associated STAs
- the RSSI (Report CSI from OBSS STAs) field of the reporting OBSS STA is used to indicate whether to report the RSSI between the second AP and the OBSS STA.
- the C-SR Command field may be 8 bits
- the Report CSI from Associated STAs field may be 1 bit
- the Report CSI from OBSS STAs field may be 1 bit
- the remaining 6 bits are reserved bits.
- Report CSI from Associated STAs is set to 1 to indicate that the Shared AP needs to report the CSI between itself and the associated STA, and set to 0 to indicate that the Shared AP does not need to report the CSI between it and the associated STA.
- Report CSI from OBSS STAs is set to 1 to indicate that the Shared AP needs to report the RSSI between it and the OBSS STA, and to 0 to indicate that the Shared AP does not need to report the RSSI between it and the OBSS STA.
- the J-TX Command field includes at least one of the following fields:
- the Report CSI from Associated STAs field is used to indicate whether to report the CSI between the second AP and the associated STA;
- the CSI (Report CSI from OBSS STAs) field of the Report OBSS STA is used to indicate whether to report the CSI between the second AP and the OBSS STA.
- the J-TX Command field may be 8 bits
- the Report CSI from Associated STAs field may be 1 bit
- the Report CSI from OBSS STAs field may be 1 bit
- the remaining 6 bits are reserved bits.
- Report CSI from Associated STAs is set to 1 to indicate that the Shared AP needs to report the CSI between itself and the associated STA, and set to 0 to indicate that the Shared AP does not need to report the CSI between it and the associated STA.
- Report CSI from OBSS STAs is set to 1 to indicate that the Shared AP needs to report the CSI between it and the OBSS STA, and to 0 to indicate that the Shared AP does not need to report the CSI between it and the OBSS STA.
- the first request frame may be implemented through a trigger frame.
- the first request frame may be implemented through an existing trigger frame format, or a new trigger frame may be defined.
- a new trigger frame type is defined to indicate that the trigger frame is used to request participation in multi-AP coordinated transmission, or to trigger preparation for multi-AP coordinated transmission.
- the first request frame when the first request frame is implemented by a trigger frame, the first request frame or multi-AP prepares the trigger frame.
- Figure 15 is a schematic diagram of the frame format of a trigger frame.
- Frame Control occupies 2 bytes
- Length occupies 2 bytes
- Receiving Address (RA) (occupies 6 bytes)
- Transmission Address (TA) (occupies 6 bytes)
- Common Information Common Information (Common Info (variable number of bytes occupied))
- User Info List (variable number of bytes occupied (variable))
- FCS occupied 4 bytes) .
- the User Info List field may include at least one user information (User Info) field.
- the first indication information is carried in the Common Info field or User Info field in the trigger frame.
- the target collaborative transmission command is carried in the Common Info field or User Info field in the trigger frame.
- the trigger frame type (Trigger Type) field in the Common Info field may be used to indicate that the trigger frame is used to request at least one second AP to participate in multi-AP cooperative transmission of the first target cooperative transmission mode.
- the value of the Trigger Type field is a first value, which is used to indicate that the trigger frame is used to request the at least one second AP to participate in the multi-AP collaborative transmission of the first target collaborative transmission mode, wherein the The first value is the reserved value of the Trigger Type field, such as 8.
- the AID12 field in the User Info field may be used to indicate that the trigger frame is used to request at least one second AP to participate in multi-AP cooperative transmission of the first target cooperative transmission mode.
- the value of the AID12 field is a reserved value of the AID12 field, such as 2045.
- Case 1 The first indication information and the target cooperative transmission command are carried through the Common Info field.
- Figure 16 shows a schematic frame format diagram that carries the first indication information and the target collaborative transmission command through the Common Info field in the trigger frame.
- the Common Info field may include a common information (Trigger Dependent Common Info) field of the trigger frame type.
- the first indication information and the target collaborative transmission command are carried in the Trigger Dependent Common Info field.
- the trigger frame type (Trigger Type) field in the Common Info field can be used to indicate that the trigger frame is used to request at least one second AP to participate in the multiplexing of the first target cooperative transmission mode.
- the value of the Trigger Type field is a first value, which is used to indicate that the trigger frame is used to request the at least one second AP to participate in the multi-AP collaborative transmission of the first target collaborative transmission mode, wherein the The first value is the reserved value of the Trigger Type field, such as 8.
- the Trigger Dependent Common Info field includes at least one of the following fields:
- the Coordinated TX Scheme Used field is used to indicate the coordinated transmission mode in which the first AP requests the second AP to participate;
- the Scheme Related Command field is used to indicate the cooperative transmission command corresponding to the first target cooperative transmission mode.
- the used coordinated transmission mode (Coordinated TX Scheme Used) field can be designed in the format of Figure 9 or Figure 10. For the sake of simplicity, it will not be described again here.
- the Scheme Related Command field includes at least one of the following fields:
- the Report CSI from Associated STAs field is used to indicate whether to report the CSI between the second AP and the associated STA;
- the CSI (Report CSI from OBSS STAs) field of the Report OBSS STA is used to indicate whether to report the CSI between the second AP and the OBSS STA;
- Available RU/MRU (Available RU/MRU) field is used to indicate the RU or MRU shared by the first AP with the at least one second AP;
- the Report RSSI from Associated STAs (RSSI) field is used to indicate whether to report the RSSI between the second AP and the associated STA;
- the RSSI Report RSSI from OBSS STAs
- the RSSI Report RSSI from OBSS STAs
- the specific fields included in the Scheme Related Command field are related to the coordinated transmission mode indicated by the Coordinated TX Scheme Used field.
- the Scheme Related Command field includes at least one of the following fields:
- the Report CSI from Associated STAs field is used to indicate whether to report the CSI between the second AP and the associated STA;
- the CSI (Report CSI from OBSS STAs) field of the Report OBSS STA is used to indicate whether to report the CSI between the second AP and the OBSS STA.
- the Scheme Related Command field includes at least one of the following fields:
- the Report CSI from Associated STAs field is used to indicate whether to report the CSI between the second AP and the associated STA;
- the CSI (Report CSI from OBSS STAs) field of the Report OBSS STA is used to indicate whether to report the CSI between the second AP and the OBSS STA.
- the Scheme Related Command field includes:
- the available RU/MRU (Available RU/MRU) field is used to indicate the RU or MRU that the first AP shares with the at least one second AP.
- the Scheme Related Command field includes at least one of the following fields:
- the Report RSSI from Associated STAs (RSSI) field is used to indicate whether to report the RSSI between the second AP and the associated STA;
- the RSSI (Report CSI from OBSS STAs) field of the reporting OBSS STA is used to indicate whether to report the RSSI between the second AP and the OBSS STA.
- Figures 17 to 20 only take the first target cooperative transmission mode including one cooperative transmission mode as an example to illustrate the format design of the Scheme Related Command field.
- the first target cooperative transmission mode includes multiple cooperative transmission modes, it may include More fields, for example, the Scheme Related Command field can be designed in the format shown in Figure 27.
- Case 2 The first instruction information is carried through the Common Info field, and the target collaborative transmission command is carried through the User Info field.
- the target collaborative transmission command can be carried through the existing User Info field, or the User Info field can be newly defined to carry the target collaborative transmission command, which is not limited in this application.
- Case 2-1 The first instruction information is carried through the Common Info field, and the target collaborative transmission command is carried through the Special User Information field (Special User Info field).
- Figure 21 shows a schematic frame format diagram that carries the first indication information through the Common Info field in the trigger frame.
- the first indication information is carried through the Trigger Dependent Common Info field in the Common Info field.
- the trigger frame type (Trigger Type) field in the Common Info field can be used to indicate that the trigger frame is used to request at least one second AP to participate in the multiplexing of the first target cooperative transmission mode.
- the value of the Trigger Type field is a first value, which is used to indicate that the trigger frame is used to request the at least one second AP to participate in the multi-AP collaborative transmission of the first target collaborative transmission mode, wherein the The first value is the reserved value of the Trigger Type field, such as 8.
- the Trigger Dependent Common Info field includes:
- the Coordinated TX Scheme Used field is used to indicate the coordinated transmission mode in which the first AP requests the second AP to participate.
- the used coordinated transmission mode (Coordinated TX Scheme Used) field can be designed in the format of Figure 9 or Figure 10. For the sake of simplicity, it will not be described again here.
- Figure 22 shows a schematic frame format diagram of the Special User Info field.
- the target collaborative transmission command is carried through the Trigger Dependent User Info field in the Special User Info field.
- the Special User Info field includes an AID12 field
- the value of the AID12 field is a second value used to indicate that the first request frame is used to request the at least one second AP to participate in the first
- the second value is the reserved value of the AID12 field. For example, 2045.
- the Special User Info field length can be 40 bits.
- the Trigger Dependent User Info field includes at least one of the following fields:
- the Report CSI from Associated STAs field is used to indicate whether to report the CSI between the second AP and the associated STA;
- the CSI (Report CSI from OBSS STAs) field of the Report OBSS STA is used to indicate whether to report the CSI between the second AP and the OBSS STA;
- Available RU/MRU (Available RU/MRU) field is used to indicate the RU or MRU shared by the first AP with the at least one second AP;
- the Report RSSI from Associated STAs (RSSI) field is used to indicate whether to report the RSSI between the second AP and the associated STA;
- the RSSI Report RSSI from OBSS STAs
- the RSSI Report RSSI from OBSS STAs
- the specific fields included in the Trigger Dependent User Info field are related to the collaborative transmission mode indicated by the Trigger Dependent Common Info field in the Common Info field.
- the Trigger Dependent User Info field includes at least one of the following fields:
- the Report CSI from Associated STAs field is used to indicate whether to report the CSI between the second AP and the associated STA;
- the CSI (Report CSI from OBSS STAs) field of the Report OBSS STA is used to indicate whether to report the CSI between the second AP and the OBSS STA.
- the Trigger Dependent User Info field includes at least one of the following fields:
- the Report CSI from Associated STAs field is used to indicate whether to report the CSI between the second AP and the associated STA;
- the CSI (Report CSI from OBSS STAs) field of the Report OBSS STA is used to indicate whether to report the CSI between the second AP and the OBSS STA.
- the Trigger Dependent User Info field includes:
- the available RU/MRU (Available RU/MRU) field is used to indicate the RU or MRU that the first AP shares with the at least one second AP.
- the Trigger Dependent User Info field includes at least one of the following fields:
- the Report RSSI from Associated STAs (RSSI) field is used to indicate whether to report the RSSI between the second AP and the associated STA;
- the RSSI (Report CSI from OBSS STAs) field of the reporting OBSS STA is used to indicate whether to report the RSSI between the second AP and the OBSS STA.
- Figures 23 to 26 only take the first target cooperative transmission mode including one cooperative transmission mode as an example to illustrate the format design of the Trigger Dependent User Info field.
- the first target cooperative transmission mode includes multiple cooperative transmission modes, it can Include more fields.
- the Scheme Related Command field can be designed in the format shown in Figure 27.
- Case 2-2 The first instruction information is carried through the Common Info field, and the target collaborative transmission command is carried through the newly defined User Info field.
- the newly defined Multi-AP User Information field (Multi-AP User Info field) is used to carry target collaborative transmission commands.
- the first indication information can be carried through the Trigger Dependent Common Info field in the Common Info field.
- the frame format diagram shown in Figure 21 can be used.
- details will not be repeated here.
- Figure 27 is a schematic format diagram of a Multi-AP User Info field provided by the embodiment of this application.
- the Multi-AP User Info field may include an AID12 field, and the value of the AID12 field is a third value used to indicate that the first request frame is used to request the at least one second AP to participate in the third
- the third value is the reserved value of the AID12 field, for example, 2045.
- the Multi-AP User Info field includes at least one of the following fields:
- the Report CSI from Associated STAs field is used to indicate whether to report the CSI between the second AP and the associated STA;
- the CSI (Report CSI from OBSS STAs) field of the Report OBSS STA is used to indicate whether to report the CSI between the second AP and the OBSS STA;
- Available RU/MRU (Available RU/MRU) field is used to indicate the RU or MRU shared by the first AP with the at least one second AP;
- the Report RSSI from Associated STAs (RSSI) field is used to indicate whether to report the RSSI between the second AP and the associated STA;
- the RSSI Report RSSI from OBSS STAs
- the RSSI Report RSSI from OBSS STAs
- Case 3 The first instruction information and the target collaborative transmission command are both carried through the User Info field.
- the first indication information and the target collaborative transmission command can be carried through the Trigger Dependent User Info field in the User Info field.
- Figure 28 shows a schematic frame format diagram of a User Info field provided by an embodiment of the present application.
- the User Info field includes an AID12 field
- the value of the AID12 field is a second value, which is used to indicate that the first request frame is used to request the at least one second AP to participate in the first target.
- the second value is the reserved value of the AID12 field. For example, 2045.
- the length of the User Info field may be 40 bits.
- the Trigger Dependent User Info field includes at least one of the following fields:
- the Coordinated TX Scheme Used field is used to indicate the coordinated transmission mode in which the first AP requests the second AP to participate;
- the Scheme Related Command field is used to indicate the cooperative transmission command corresponding to the first target cooperative transmission mode.
- the design method of the Coordinated TX Scheme Used field and the Scheme Related Command field refers to the format design of the Coordinated TX Scheme Used field and the Scheme Related Command field in Figure 16. For the sake of simplicity, they will not be repeated here.
- Figure 29 shows an example of a schematic frame format diagram of a cooperative transmission response frame implemented through a control frame.
- Frame Control occupies 2 bytes
- Length occupies 2 bytes
- Receiving Address (RA) (occupies 6 bytes)
- Transmission Address (TA) (occupies 6 bytes)
- Coordinated TX Response (occupies a variable number of bytes)
- FCS (occupies 4 bytes).
- the first response frame includes a cooperative transmission response field
- the second indication information and/or the target cooperative transmission information are carried in the cooperative transmission response field.
- the Coordinated TX Response field includes at least one of the following fields:
- the Coordinated TX Scheme Accepted field is used to indicate the coordinated transmission mode in which the second AP participates, that is, used to carry the second indication information;
- Participant STA List field is used to indicate STAs participating in the second target cooperative transmission mode
- C-BF Info.field is used to indicate the cooperative transmission information corresponding to the C-BF mode
- C-OFDMA Info.field is used to indicate the cooperative transmission information corresponding to the C-OFDMA mode
- C-SR Info.field is used to indicate the cooperative transmission information corresponding to the C-SR mode
- J-TX Info.field is used to indicate the cooperative transmission information corresponding to the J-TX mode
- the C-UL MU-MIMO Information field (C-UL MU-MIMO Info.field) is used to indicate the cooperative transmission information corresponding to the C-UL MU-MIMO mode.
- the Coordinated TX Scheme Accepted field includes at least one of the following fields:
- the C-BF Accept field is used to indicate whether to accept multi-AP collaborative transmission in C-BF mode
- the C-OFDMA (C-OFDMA Accept) field is used to indicate whether to accept multi-AP cooperative transmission in C-OFDMA mode;
- the C-SR Accept field is used to indicate whether to accept multi-AP collaborative transmission in C-SR mode
- J-TX Accept J-TX Accept field, used to indicate whether to accept multi-AP cooperative transmission in J-TX mode
- the C-UL MU MIMO (C-UL MU-MIMO Accept) field is used to indicate whether to accept cooperative transmission in the C-UL MU MIMO mode.
- the value of the C-BF Accept field is 1 to indicate acceptance of multi-AP collaborative transmission in C-BF mode.
- the collaborative transmission response frame includes the C-BF Info.field; the C-BF Accept field is A value of 0 indicates that multi-AP collaborative transmission in C-BF mode is refused.
- the collaborative transmission response frame does not include C-BF Info.field.
- the value of the C-OFDMA Accept field is 1 to indicate acceptance of multi-AP collaborative transmission in the C-OFDMA mode.
- the collaborative transmission response frame includes the C-OFDMA Info.field; the C-OFDMA Accept field is A value of 0 indicates that multi-AP cooperative transmission in C-OFDMA mode is refused.
- the cooperative transmission response frame does not include C-OFDMA Info.field.
- the value of the C-SR Accept field is 1 to indicate acceptance of multi-AP collaborative transmission in C-SR mode.
- the collaborative transmission response frame includes the C-SR Info.field; the C-SR Accept field is A value of 0 indicates that multi-AP collaborative transmission in C-SR mode is refused.
- the collaborative transmission response frame does not include C-SR Info.field.
- the value of the J-TX Accept field is 1 to indicate acceptance of multi-AP collaborative transmission in J-TX mode.
- the cooperative transmission response frame includes the J-TX Info.field; the J-TX Accept field is A value of 0 indicates that multi-AP cooperative transmission in J-TX mode is refused.
- the cooperative transmission response frame does not include the J-TX Info.field.
- the value of the C-UL MU-MIMO Accept field is 1 to indicate acceptance of multi-AP collaborative transmission in C-UL MU-MIMO mode.
- the collaborative transmission response frame includes C-UL MU-MIMO Info .field; A value of 0 in the C-UL MU-MIMO Accept field indicates that multi-AP collaborative transmission in C-UL MU-MIMO mode is refused.
- the collaborative transmission response frame does not include C-UL MU-MIMO Info .field.
- the Coordinated TX Scheme Accepted field includes:
- Coordinated TX Scheme Accepted subfield used to instruct the second AP to receive and participate in the coordinated transmission mode.
- the Coordinated TX Scheme Accepted field can be 8 bits
- the Coordinated TX Scheme Accepted subfield can be 3 bits
- the remaining 5 bits are reserved bits.
- the different values of the 3 bits are used to indicate the cooperative transmission mode in which the second AP receives participation.
- the value of the 3 bits is 001, indicating acceptance to participate in C-BF mode, the value 010, indicating acceptance of participation in C-OFDMA mode, the value 011, indicating acceptance of participation in C-SR mode, and the value 100, indicating acceptance of participation in J -TX mode, a value of 101 indicates acceptance of participation in C-UL MU-MIMO mode, in which the values 000 and 110-111 are reserved values.
- the cooperative transmission response frame when the 3 bits indicate acceptance of C-BF mode, the cooperative transmission response frame includes C-BF Info.field, or when the 3 bits indicate acceptance of C-OFDMA mode, the cooperative transmission response frame includes C-OFDMA Info.field, or when the 3 bits indicate acceptance of the C-SR mode, the cooperative transmission response frame includes C-SR Info.field, or when the 3 bits indicate acceptance of the J-TX mode, the cooperative transmission response frame includes J -TX Info.field, or, when the 3 bits indicate acceptance of C-UL MU-MIMO mode, the cooperative transmission response frame includes C-UL MU-MIMO Info.field.
- the Participant STA List field may include at least one of the following fields:
- the Number of STAs field is used to indicate the number of APs participating in multi-AP cooperative transmission
- At least one STA ID field is used to indicate the STA participating in multi-AP cooperative transmission.
- it may include IDs of k STAs participating in multi-AP coordinated transmission, where k is a positive integer.
- the C-BF Info.field includes at least one of the following fields:
- At least one CSI field is used to indicate CSI between the second AP and at least one STA.
- the at least one CSI field may be used to carry r pieces of CSI information, the r pieces of CSI information being CSI information between the second AP and r STAs, where r is a positive integer.
- the r pieces of CSI information may include all CSI obtained by the second AP in the channel detection phase, or may also include k STAs ( That is, the CSI between the STAs indicated by the Participant STA List field, that is, r can be equal to k.
- the CSI field may occupy a bit, a is a positive integer, and the size of a may be determined according to the size of the CSI information carried.
- the J-TX Info.field includes at least one of the following fields:
- At least one CSI field is used to indicate CSI between the second AP and at least one STA.
- the at least one CSI field may be used to carry r pieces of CSI information, the r pieces of CSI information being CSI information between the second AP and r STAs, where r is a positive integer.
- the r pieces of CSI information may include all CSI obtained by the second AP in the channel detection phase, or may also include k STAs ( That is, the CSI between the STAs indicated by the Participant STA List field, that is, r can be equal to k.
- the CSI field may occupy a bit, a is a positive integer, and the size of a may be determined according to the size of the CSI information carried.
- the C-UL MU-MIMO Info.field includes:
- the selected RU/MRU (Selected RU/MRU) field is used to indicate the RU/MRU selected by the second AP.
- the C-SR Information field (C-SR Info.field) includes at least one of the following fields:
- At least one RSSI field is used to indicate RSSI between the second AP and at least one STA.
- the at least one RSSI field may be used to carry r pieces of RSSI information, which are RSSI information between the second AP and r STAs, where r is a positive integer.
- the r pieces of RSSI information may include all RSSIs obtained by the second AP, or may also include k STAs (ie, Participant STA List) of the second AP and multi-AP cooperative transmission participating in the C-SR mode. field indicates the RSSI between STAs), that is, r can be equal to k.
- the RSSI field may occupy b bits, b is a positive integer, and the size of b may be determined according to the size of the RSSI information carried.
- Figure 37 is a schematic diagram of the frame structure of the first response frame through QoS Null frames.
- the QoS Null frame can include the HT Control field, which can occupy 4 bytes.
- the HT Control field has different values based on the B0 and B1 bits, including the following three types of variants (Variant ):
- the HT Control field is HT Variant.
- the HT Control field is VHT Variant.
- the HT Control field is HE Variant.
- the HT Control field may include an aggregation control (A-Control) field.
- A-Control aggregation control
- the second indication information and/or the target cooperative transmission information are carried in the A-Control field in the QoS Null frame.
- the A-Control field includes a Control Identification (ID) field and a Control Information (Control Information) field, and the second indication information and/or the target cooperative transmission information is carried in the Control Information field.
- ID Control Identification
- Control Information Control Information
- the value of the Control ID field is a fourth value, which is used to indicate that the QoS Null frame is used to carry cooperative transmission response information.
- the fourth value is the reserved value of the Control ID field, such as 7.
- the Control Information field includes at least one of the following:
- the Coordinated TX Scheme Accepted field is used to indicate the coordinated transmission mode in which the second AP participates
- the coordinated transmission mode information field (Coordinated TX Scheme Info field) is used to indicate the target coordinated transmission information.
- the Coordinated TX Scheme Accepted field can be designed in the format of Figure 30 or Figure 31.
- the Coordinated TX Scheme Info field includes:
- the participating STA list field is used to indicate the ID of the STA participating in C-BF mode or J-TX mode.
- the Coordinated TX Scheme Info field may include an STA's AID11 field, which is used to report the AID of the associated STA participating in C-BF mode and/or J-TX mode.
- the Coordinated TX Scheme Info field can also include the AID11 field of two STAs, such as the AID11 field of the participating associated STA and the AID11 field of the participating OBSS STA, where the AID11 field of the participating associated STA It is used to report the AID of the associated STA participating in C-BF mode and/or J-TX mode.
- the AID11 field of the participating OBSS STA is used to report the AID of the OBSS STA participating in C-BF mode and/or J-TX mode.
- the second AP when the second AP is associated with a STA and the second AP participates in C-BF mode and/or J-TX mode, the second AP can use the frame structure shown in Figure 38 to report participation in C-BF mode and /or STA information in J-TX mode, or you can also report associated STAs and OBSS STAs participating in C-BF mode and/or J-TX mode using the frame structure shown in Figure 39.
- the Coordinated TX Scheme Info field includes:
- the selected RU/MRU (Selected RU/MRU) field is used to indicate the RU/MRU selected by the second AP.
- the Coordinated TX Scheme Info field includes at least one of the following fields:
- the RSSI from Associated STA (RSSI from Associated STA) field is used to indicate the RSSI between the second AP and at least one associated STA participating in the C-SR mode;
- the RSSI (RSSI from Unassociated STA) field of the OBSS STA is used to indicate the RSSI between the second AP and at least one OBSS STA participating in the C-SR mode.
- the first notification frame may be implemented through a control frame, or may be implemented through other frames such as a trigger frame or a management frame, which is not limited in this application.
- Figure 42 shows an example of a schematic frame format diagram of a cooperative transmission notification frame implemented through a control frame.
- Frame Control occupies 2 bytes
- Length occupies 2 bytes
- Receiving Address (RA) (occupies 6 bytes)
- Transmission Address (TA) (occupies 6 bytes)
- Coordinated TX Announce (occupies a variable number of bytes)
- FCS (occupies 4 bytes).
- the first notification information is carried in the Coordinated TX Announce field.
- the cooperative transmission notification field includes at least one of the following fields:
- the adopted coordinated transmission mode field (Coordinated TX Scheme Adopted field) is used to indicate the third target coordinated transmission mode, or in other words, the upcoming multi-AP coordinated transmission mode;
- Participant AP List field used to indicate APs participating in the third target cooperative transmission mode
- C-BF Parameters field used to indicate the cooperative transmission parameters corresponding to the C-BF mode
- C-OFDMA Parameters field (C-OFDMA Parameters field) is used to indicate the cooperative transmission parameters corresponding to the C-OFDMA mode;
- C-SR Parameters field used to indicate the cooperative transmission parameters corresponding to the C-SR mode
- J-TX Parameters field used to indicate the cooperative transmission parameters corresponding to the J-TX mode
- the C-UL MU-MIMO Parameters field is used to indicate the cooperative transmission parameters corresponding to the C-UL MU-MIMO mode.
- the adopted coordinated transmission mode field includes at least one of the following fields:
- the C-BF (C-BF Adopted) field is used to indicate whether to use multi-AP collaborative transmission in C-BF mode
- the C-OFDMA (C-OFDMA Adopted) field is used to indicate whether to use multi-AP cooperative transmission in C-OFDMA mode;
- the C-SR (C-SR Adopted) field is used to indicate whether to use multi-AP collaborative transmission in C-SR mode
- J-TX (J-TX Adopted:) field is used to indicate whether to use multi-AP cooperative transmission in J-TX mode
- the C-UL MU MIMO (C-UL MU-MIMO Adopted) field is used to indicate whether to use multi-AP cooperative transmission in the C-UL MU MIMO mode.
- the value of the C-BF Adopted field is 1 to indicate multi-AP collaborative transmission in C-BF mode.
- the cooperative transmission notification frame includes the C-BF Parameters field; the value of the C-BF Adopted field is 0 indicates that multi-AP collaborative transmission in C-BF mode is not performed.
- the collaborative transmission notification frame does not include the C-BF Parameters field.
- the value of the C-OFDMA Adopted field is 1 to indicate multi-AP collaborative transmission in C-OFDMA mode.
- the cooperative transmission notification frame includes the C-OFDMA Parameters field; the value of the C-OFDMA Adopted field is 0 indicates that multi-AP collaborative transmission in C-OFDMA mode is not performed.
- the collaborative transmission notification frame does not include the C-OFDMA Parameters field.
- the value of the C-SR Adopted field is 1 to indicate multi-AP collaborative transmission in C-SR mode.
- the collaborative transmission notification frame includes the C-SR Parameters field; the value of the C-SR Adopted field is 0 indicates that multi-AP collaborative transmission in C-SR mode is not performed. In this case, the collaborative transmission notification frame does not include the C-SR Parameters field.
- the value of the J-TX Adopted field is 1 to indicate multi-AP cooperative transmission in J-TX mode.
- the cooperative transmission notification frame includes the J-TX Parameters field; the value of the J-TX Adopted field is 0 indicates that multi-AP cooperative transmission in J-TX mode is not performed. In this case, the cooperative transmission notification frame does not include the J-TX Parameters field.
- the value of the C-UL MU-MIMO Adopted field is 1 to indicate multi-AP collaborative transmission in the C-UL MU-MIMO mode.
- the collaborative transmission notification frame includes the C-UL MU-MIMO Parameters field ;
- the value of the C-UL MU-MIMO Adopted field is 0 to indicate that multi-AP collaborative transmission in the C-UL MU-MIMO mode is not performed.
- the collaborative transmission notification frame does not include the C-UL MU-MIMO Parameters field.
- the Coordinated TX Scheme Adopted field includes:
- the Coordinated TX Scheme Adopted field can be 8 bits
- the Coordinated TX Scheme Adopted subfield can be 3 bits
- the remaining 5 bits are reserved bits.
- different values of the 3 bits are used to indicate different coordinated transmission modes.
- the value of the 3 bits is 001, which indicates multi-AP coordinated transmission in C-BF mode, the value 010, which indicates multi-AP coordinated transmission in C-OFDMA mode, and the value 011, which indicates multi-AP coordinated transmission in C-SR mode.
- AP collaborative transmission a value of 100 indicates multi-AP collaborative transmission in J-TX mode, a value of 101 indicates a request to participate in multi-AP collaborative transmission in C-UL MU-MIMO mode, where the values 000 and 110-111 are Reserved value.
- the cooperative transmission notification frame includes the C-BF Parameters field
- the cooperative transmission request frame includes the C-OFDMA Parameters field
- the cooperative transmission request frame includes the C-SR Parameters field
- the cooperative transmission request frame includes the C-SR Parameters field
- the cooperative transmission request frame includes the J-TX Parameters field
- the cooperative transmission request frame includes the C-UL MU-MIMO Parameters field.
- the Participant AP List field includes at least one of the following fields:
- the Number of APs field is used to indicate the number of APs participating in multi-AP cooperative transmission
- At least one AP ID field is used to indicate the AP participating in multi-AP cooperative transmission.
- it may include the IDs of m APs participating in multi-AP cooperative transmission, where m is a positive integer.
- the C-BF/J-TX parameter field includes:
- At least one transmission matrix (Tx Matrix) field corresponding to at least one AP participating in the C-BF mode, is used to indicate the transmission matrix used by the AP participating in the C-BF mode.
- the Tx Matrix field may occupy c bits, c is a positive integer, and the size of c may be determined according to the size of the Tx Matrix.
- it can include Tx Matrix corresponding to m APs.
- the C-SR parameter field includes:
- At least one transmit power (Tx Power) field corresponding to at least one AP participating in the C-SR mode, is used to indicate the transmit power used by the AP participating in the C-SR mode.
- it can include the Tx Power corresponding to m APs.
- the C-UL MU-MIMO parameter field includes:
- At least one SS Allocation field corresponding to at least one AP participating in the C-UL MU-MIMO mode, is used to indicate the SS allocation information used by the AP participating in the C-UL MU-MIMO mode.
- it may include SS Allocation corresponding to m APs.
- the C-OFDMA parameter field includes:
- At least one RU/MRU field corresponds to at least one AP participating in the C-OFDMA mode, and is used to indicate the RU or MRU used by the AP participating in the C-OFDMA mode.
- it may include RUs/MRUs corresponding to m APs.
- the first notification information may be sent through a MAP transmission trigger frame, that is, the MAP transmission trigger frame is used to carry the first notification information and to transmit multi-AP coordinated transmission.
- the first AP can request at least one second AP to participate in the multi-AP cooperative transmission of the first target cooperative transmission mode through the first request frame, and indicate the cooperation related to the first target cooperative transmission mode to the at least one second AP. transmission command, thereby enabling a unified multi-AP collaboration preparation process, which helps reduce the complexity of multi-AP collaborative transmission.
- the second AP can respond through the first response frame whether to participate in the multi-AP collaborative transmission requested by the first AP. In the case of participation, the second AP can report relevant collaborative transmission information to the first AP, thereby enabling The unified multi-AP collaboration preparation process helps reduce the complexity of multi-AP collaborative transmission.
- the first AP can notify the second AP participating in the multi-AP collaborative transmission of the multi-AP collaborative transmission mode and related collaborative transmission parameters through the first notification frame, so as to achieve a unified multi-AP collaboration preparation process and help reduce Complexity of multi-AP cooperative transmission.
- Figure 50 shows a schematic block diagram of the first access point AP 400 according to an embodiment of the present application.
- the first AP 400 includes:
- Communication unit 410 configured to send a first request frame to at least one second AP, where the first request frame includes first indication information and/or a target coordinated transmission command, where the first indication information is used to indicate the first target coordinated transmission mode.
- the first target cooperative transmission mode is a cooperative transmission mode in which the first AP requests at least one second AP to participate
- the target cooperative transmission command is a cooperative transmission command corresponding to the first target cooperative transmission mode.
- the first indication information indicates the first target cooperative transmission mode in a bitmap manner.
- the first indication information includes a plurality of bits, each bit corresponding to one of multiple cooperative transmission modes, and the value of each bit is used to indicate whether the first AP requests at least one second AP to participate in the corresponding collaborative transmission model.
- different values of the first indication information are used to indicate that the first AP requests a cooperative transmission mode in which at least one second AP participates.
- the cooperative transmission command corresponding to the first target cooperative transmission mode includes at least one of the following information:
- the first request frame includes a coordinated transmission command corresponding to the C-BF mode
- the coordinated transmission command corresponding to the C-BF mode include at least one of the following information:
- the first target coordinated transmission mode includes the joint transmission J-TX mode
- the first request frame includes a coordinated transmission command corresponding to the J-TX mode
- the coordinated transmission command corresponding to the J-TX mode includes the following At least one of the information:
- the first target coordinated transmission mode includes coordinated orthogonal frequency division multiple access access C-OFDMA mode
- the first request frame includes a coordinated transmission command corresponding to the C-OFDMA mode
- the C-OFDMA mode includes:
- the first target coordinated transmission mode includes the coordinated spatial multiplexing C-SR mode
- the first request frame includes a coordinated transmission command corresponding to the C-SR mode
- the coordinated transmission command corresponding to the C-SR mode include at least one of the following information:
- the first request frame when the first target coordinated transmission mode includes the coordinated uplink multi-user multiple input multiple output C-UL MU-MIMO mode, the first request frame includes a coordinated transmission command corresponding to the C-UL MU-MIMO mode.
- the first request frame is a control frame.
- the first request frame includes a cooperative transmission request field, and the first indication information and/or the target cooperative transmission command are carried in the cooperative transmission request field.
- the collaborative transmission request fields include at least one of the following fields:
- the cooperative transmission mode field used is used to indicate the cooperative transmission mode in which the first AP requests at least one second AP to participate;
- the C-BF command field is used to indicate the cooperative transmission command corresponding to the C-BF mode
- the C-OFDMA command field is used to indicate the coordinated transmission command corresponding to the C-OFDMA mode
- the C-SR command field is used to indicate the cooperative transmission command corresponding to the C-SR mode
- J-TX command field used to indicate the cooperative transmission command corresponding to J-TX mode
- the C-BF command field is used to indicate the cooperative transmission command corresponding to the C-BF mode
- the C-UL MU-MIMO command field is used to indicate the cooperative transmission command corresponding to the C-UL MU-MIMO mode.
- the C-BF command field includes at least one of the following fields:
- Report the CSI field of the associated STA used to indicate whether to report the CSI between the second AP and the associated STA
- the CSI field reported by the OBSS STA is used to indicate whether to report the CSI between the second AP and the OBSS STA.
- the C-OFDMA command field includes:
- the available RU/MRU field is used to indicate the RU or MRU that the first AP shares with at least one second AP.
- the C-SR command field includes at least one of the following fields:
- Report the RSSI field of the associated STA used to indicate whether to report the RSSI between the second AP and the associated STA
- the RSSI field that reports the OBSS STA is used to indicate whether to report the RSSI between the second AP and the OBSS STA.
- the J-TX command field includes at least one of the following fields:
- Report the CSI field of the associated STA used to indicate whether to report the CSI between the second AP and the associated STA
- the CSI field reported by the OBSS STA is used to indicate whether to report the CSI between the second AP and the OBSS STA.
- the first request frame is a trigger frame.
- the first indication information is carried in a general information field or a user information field in the first request frame.
- the target collaborative transmission command is carried in a general information field or a user information field in the first request frame.
- the first request frame includes a trigger frame type field
- the value of the trigger frame type field is a first value, indicating that the first request frame is used to request at least one second AP to participate in the first target cooperative transmission mode.
- the first value is the reserved value of the trigger frame type field.
- the first request frame includes a general information field of trigger frame type, and the first indication information and the target cooperative transmission command are carried in the general information field of trigger frame type.
- the general information field of the trigger frame type includes at least one of the following fields:
- the cooperative transmission mode field used is used to indicate the first target cooperative transmission mode
- the related coordinated transmission mode command field is used to indicate the coordinated transmission command corresponding to the first target coordinated transmission mode.
- the first request frame includes a general information field of trigger frame type and a special user information field
- the first indication information is carried in the general information field of trigger frame type
- the target cooperative transmission command is carried in the special user information field.
- the common information fields of the trigger frame type include:
- the cooperative transmission mode field used is used to indicate the first target cooperative transmission mode.
- the special user information field includes a trigger frame type user information field
- the target cooperative transmission command is carried in the trigger frame type user information field.
- the user information field of the trigger frame type includes at least one of the following fields:
- Report the CSI field of the associated STA used to indicate whether to report the CSI between the second AP and the associated STA
- the available RU/MRU field is used to indicate the RU or MRU that the first AP shares with at least one second AP;
- Report the RSSI field of the associated STA used to indicate whether to report the RSSI between the second AP and the associated STA
- the RSSI field that reports the OBSS STA is used to indicate whether to report the RSSI between the second AP and the OBSS STA.
- the user information field of the trigger frame type includes at least one of the following fields:
- Report the CSI field of the associated STA used to indicate whether to report the CSI between the second AP and the associated STA
- the CSI field reported by the OBSS STA is used to indicate whether to report the CSI between the second AP and the OBSS STA.
- the user information field of the trigger frame type includes:
- the available RU/MRU field is used to indicate the RU or MRU that the first AP shares with at least one second AP.
- the user information field of the trigger frame type includes at least one of the following fields:
- Report the RSSI field of the associated STA used to indicate whether to report the RSSI between the second AP and the associated STA
- the RSSI field that reports the OBSS STA is used to indicate whether to report the RSSI between the second AP and the OBSS STA.
- the special user information field includes an association identifier AID12 field
- the value of the AID12 field is a second value used to indicate that the first request frame is used to request at least one second AP to participate in the first target cooperative transmission mode.
- the second value is the reserved value of the AID12 field.
- the first request frame includes a general information field of the trigger frame type and a multi-AP user information field
- the first indication information is carried in the general information field of the trigger frame type
- the target cooperative transmission command is carried in the multi-AP user information field.
- the common information fields of the trigger frame type include:
- the cooperative transmission mode field used is used to indicate the first target cooperative transmission mode.
- the multi-AP user information field includes an AID12 field
- the value of the AID12 field is a third value, used to indicate that the first request frame is used to request at least one second AP to participate in the multi-AP of the first target coordinated transmission mode.
- the third value is the reserved value of the AID12 field.
- the multi-AP user information field includes at least one of the following fields:
- Report the CSI field of the associated STA used to indicate whether to report the CSI between the second AP and the associated STA
- the available RU/MRU field is used to indicate the RU or MRU that the first AP shares with at least one second AP;
- Report the RSSI field of the associated STA used to indicate whether to report the RSSI between the second AP and the associated STA
- the RSSI field that reports the OBSS STA is used to indicate whether to report the RSSI between the second AP and the OBSS STA.
- the first request frame includes a user information field of trigger frame type, and the first indication information and the target cooperative transmission command are carried in the user information field of trigger frame type.
- the user information field of the trigger frame type includes at least one of the following fields:
- the cooperative transmission mode field used is used to indicate the first target cooperative transmission mode
- the related coordinated transmission mode command field is used to indicate the coordinated transmission command corresponding to the first target coordinated transmission mode.
- the relevant cooperative transmission mode command fields include at least one of the following fields:
- Report the CSI field of the associated STA used to indicate whether to report the CSI between the second AP and the associated STA
- the available RU/MRU field is used to indicate the RU or MRU that the first AP shares with at least one second AP;
- Report the RSSI field of the associated STA used to indicate whether to report the RSSI between the second AP and the associated STA
- the RSSI field that reports the OBSS STA is used to indicate whether to report the RSSI between the second AP and the OBSS STA.
- the relevant coordinated transmission mode command field includes at least one of the following fields:
- Report the CSI field of the associated STA used to indicate whether to report the CSI between the second AP and the associated STA
- the CSI field reported by the OBSS STA is used to indicate whether to report the CSI between the second AP and the OBSS STA.
- the related coordinated transmission mode command field includes:
- the available RU/MRU field is used to indicate the RU or MRU that the first AP shares with at least one second AP.
- the related coordinated transmission mode command field includes at least one of the following fields:
- Report the RSSI field of the associated STA used to indicate whether to report the RSSI between the second AP and the associated STA
- the RSSI field that reports the OBSS STA is used to indicate whether to report the RSSI between the second AP and the OBSS STA.
- the cooperative transmission mode fields used include at least one of the following fields:
- J-TX field Use the J-TX field to indicate whether to request multi-AP cooperative transmission using J-TX mode
- the cooperative transmission mode fields used include:
- the cooperative transmission mode subfield used is used to indicate the cooperative transmission mode in which the first AP requests at least one second AP to participate.
- the communication unit 410 is further configured to: receive a first response frame sent by at least one second AP, where the first response frame is used to indicate whether the at least one second AP participates in multi-AP cooperation in the first target cooperative transmission mode. transmission.
- communication unit 410 is also used to:
- the first request frame is included in the aggregated medium access control protocol data unit A-MPDU, and in the case where at least one second AP sends the first response frame synchronously, the A-MPDU also includes a trigger frame, The trigger frame is used to allocate transmission resources to at least one second AP and trigger at least one second AP to simultaneously transmit the first response frame.
- the first response frame includes second indication information and/or target collaborative transmission information
- the second indication information is used to indicate the second target collaborative transmission mode
- the second target collaborative transmission mode is collaboration in which the second AP participates.
- transmission mode the target cooperative transmission information is the cooperative transmission information corresponding to the second target cooperative transmission mode.
- the second indication information is indicated in a bitmap manner.
- the second indication information includes a plurality of bits, each bit corresponds to one of multiple cooperative transmission modes, and the value of each bit is used to indicate whether the second AP participates in the corresponding cooperative transmission mode.
- different values of the second indication information are used to indicate the cooperative transmission mode in which the second AP participates.
- the target collaborative transmission information includes at least one of the following information:
- the first response frame includes coordinated transmission information corresponding to the C-BF mode
- the coordinated transmission information corresponding to the C-BF mode includes at least one of the following: one:
- the first response frame includes coordinated transmission information corresponding to the J-TX mode
- the coordinated transmission information corresponding to the J-TX mode includes at least one of the following: one:
- the first response frame includes coordinated transmission information corresponding to the C-OFDMA mode
- the coordinated transmission information corresponding to the C-OFDMA mode includes: the second The RU or MRU selected by the AP.
- the first response frame includes coordinated transmission information corresponding to the C-SR mode
- the coordinated transmission information corresponding to the C-SR mode includes at least one of the following: one:
- the first response frame when the second target cooperative transmission mode includes the C-UL MU-MIMO mode, the first response frame includes cooperative transmission information corresponding to the C-UL MU-MIMO mode.
- the first response frame is a control frame.
- the first response frame includes a coordinated transmission response field
- the second indication information and/or target coordinated transmission information is carried in the coordinated transmission response field.
- the collaborative transmission response field includes at least one of the following fields:
- the accepted cooperative transmission mode field is used to indicate the cooperative transmission mode in which the second AP participates
- the participating STA list field is used to indicate the STAs participating in the second target cooperative transmission mode
- the C-BF information field is used to indicate the cooperative transmission information corresponding to the C-BF mode
- the C-OFDMA information field is used to indicate the coordinated transmission information corresponding to the C-OFDMA mode
- the C-SR information field is used to indicate the coordinated transmission information corresponding to the C-SR mode
- J-TX information field used to indicate cooperative transmission information corresponding to J-TX mode
- the C-UL MU-MIMO information field is used to indicate the cooperative transmission information corresponding to the C-UL MU-MIMO mode.
- the C-BF information field includes at least one of the following fields:
- Participating STA list field used to indicate STAs participating in C-BF mode
- At least one CSI field is used to indicate CSI between the second AP and at least one STA participating in the C-BF mode.
- the J-TX information field includes at least one of the following fields:
- Participating STA list field used to indicate STAs participating in J-TX mode
- At least one CSI field is used to indicate CSI between the second AP and at least one STA participating in the J-TX mode.
- the C-SR information field includes at least one of the following fields:
- Participating STA list field used to indicate STAs participating in C-SR mode
- At least one RSSI field is used to indicate the RSSI between the second AP and at least one STA participating in the C-SR mode.
- the C-OFDMA information field includes:
- the selected RU/MRU field is used to indicate the RU/MRU selected by the second AP.
- the first response frame is a quality of service QoS null frame
- the second indication information and/or target cooperative transmission information is carried in the aggregation control A-Control field in the QoS null frame.
- the A-Control field includes a control information field, and the second indication information and/or the target cooperative transmission information are carried in the control information field.
- control information field includes at least one of the following:
- the accepted cooperative transmission mode field is used to indicate the cooperative transmission mode in which the second AP participates
- the cooperative transmission mode information field is used to indicate the target cooperative transmission information.
- the cooperative transmission mode information field includes at least one of the following fields:
- the participating STA list field is used to indicate the STAs participating in the second target cooperative transmission mode
- At least one CSI field used to indicate CSI between the second AP and at least one STA participating in the C-BF mode and/or the J-TX mode;
- At least one RSSI field used to indicate the RSSI between the second AP and at least one STA participating in the C-SR mode
- the selected RU/MRU field is used to indicate the RU/MRU selected by the second AP.
- the coordinated transmission mode information field includes the following fields: a participating STA list field, used to indicate STAs participating in the C-BF mode.
- the coordinated transmission mode information field includes: a participating STA list field, used to indicate STAs participating in the J-TX mode.
- the coordinated transmission mode information field includes at least one of the following fields:
- the RSSI field of the associated STA is used to indicate the RSSI between the second AP and at least one associated STA participating in the C-SR mode;
- the RSSI field of the OBSS STA is used to indicate the RSSI between the second AP and at least one OBSS STA participating in the C-SR mode.
- the cooperative transmission mode information field includes: a selected RU/MRU field, used to indicate the RU/MRU selected by the second AP.
- the accepted collaborative transmission mode field includes at least one of the following fields:
- J-TX field which is used to indicate whether the second AP participates in multi-AP cooperative transmission in J-TX mode
- C-UL MU MIMO field which is used to indicate whether the second AP participates in multi-AP cooperative transmission in C-UL MU MIMO mode.
- the accepted collaborative transmission mode fields include:
- the accepted cooperative transmission mode subfield is used to indicate the cooperative transmission mode in which the second AP participates.
- the communication unit 410 is further configured to: send a first notification frame to at least one third AP, where the first notification frame is used to notify the APs participating in coordinated transmission of collaborative transmission parameters used.
- the at least one second AP includes at least one third AP.
- the first notification frame includes first notification information, and the first notification information includes at least one of the following:
- the third indication information is used to indicate the third target cooperative transmission mode, which is the cooperative transmission mode determined to be adopted by the first AP; a list of APs participating in the third target cooperative transmission mode;
- the cooperative transmission parameters for the third target cooperative transmission mode include at least one of the following:
- cooperative transmission parameters for C-BF mode include:
- cooperative transmission parameters for J-TX mode include:
- cooperative transmission parameters for C-OFDMA mode include:
- cooperative transmission parameters for C-SR mode include:
- the cooperative transmission parameters for the C-UL-MU-MIMO mode include: a list of APs participating in the C-UL-MU-MIMO mode, for each AP participating in the C-UL-MU-MIMO mode spatial stream SS allocation information.
- the first notification frame includes a cooperative transmission notification field, and the first notification information is carried in the cooperative transmission notification field.
- the collaborative transmission notification field includes at least one of the following fields:
- the adopted cooperative transmission mode field is used to indicate the third target cooperative transmission mode
- AP list field used to indicate APs participating in the third target cooperative transmission mode
- the C-BF parameter field is used to indicate the coordinated transmission parameters corresponding to the C-BF mode
- the C-OFDMA parameter field is used to indicate the coordinated transmission parameters corresponding to the C-OFDMA mode
- the C-SR parameter field is used to indicate the coordinated transmission parameters corresponding to the C-SR mode
- the J-TX parameter field is used to indicate the cooperative transmission parameters corresponding to the J-TX mode
- the C-UL MU-MIMO parameter field is used to indicate the cooperative transmission parameters corresponding to the C-UL MU-MIMO mode.
- the adopted cooperative transmission mode field includes at least one of the following fields:
- the C-BF field is used to indicate whether to use multi-AP cooperative transmission in C-BF mode
- the C-OFDMA field is used to indicate whether to use multi-AP cooperative transmission in C-OFDMA mode
- the C-SR field is used to indicate whether to use multi-AP collaborative transmission in C-SR mode
- the J-TX field is used to indicate whether to use multi-AP cooperative transmission in J-TX mode
- the C-UL MU MIMO field is used to indicate whether to use multi-AP cooperative transmission in C-UL MU MIMO mode.
- the adopted cooperative transmission mode fields include:
- the adopted cooperative transmission mode subfield is used to indicate the adopted cooperative transmission mode.
- the C-BF parameter field includes at least one of the following fields:
- AP list field used to indicate at least one AP participating in C-BF mode
- At least one transmission matrix field corresponding to at least one AP participating in the C-BF mode, is used to indicate the transmission matrix used by the AP participating in the C-BF mode.
- the J-TX parameter field includes at least one of the following fields:
- AP list field used to indicate at least one AP participating in J-TX mode
- At least one transmission matrix field corresponding to at least one AP participating in the J-TX mode, is used to indicate the transmission matrix used by the AP participating in the J-TX mode.
- the C-OFDMA parameter field includes at least one of the following fields:
- AP list field used to indicate at least one AP participating in C-OFDMA mode
- At least one RU/MRU field corresponds to at least one AP participating in the C-OFDMA mode, and is used to indicate the RU or MRU used by the AP participating in the C-OFDMA mode.
- the C-SR parameter field includes at least one of the following fields:
- AP list field used to indicate at least one AP participating in C-SR mode
- At least one transmit power field corresponding to at least one AP participating in the C-SR mode, is used to indicate the transmit power used by the AP participating in the C-SR mode.
- the C-UL MU-MIMO parameter field includes at least one of the following fields:
- AP list field used to indicate at least one AP participating in C-UL MU-MIMO mode
- At least one SS allocation field corresponding to at least one AP participating in the C-UL MU-MIMO mode, is used to indicate the SS allocation information used by the AP participating in the C-UL MU-MIMO mode.
- the first notification frame is also used to trigger the AP to perform multi-AP coordinated transmission using the third target coordinated transmission mode.
- the above-mentioned communication unit may be a communication interface or transceiver, or an input/output interface of a communication chip or a system on a chip.
- the above-mentioned processing unit may be one or more processors.
- first AP 400 may correspond to the first AP or Sharing AP in the method embodiment of the present application, and the above and other operations and/or functions of each unit in the first AP 400 are respectively
- the corresponding processes for implementing the first AP or the Sharing AP in the method 200 shown in Figures 4 to 49 will not be described again for the sake of simplicity.
- Figure 51 is a schematic block diagram of a second access point AP according to an embodiment of the present application.
- the second AP 500 of Figure 51 includes:
- Communication unit 510 configured to receive a first request frame sent by the first AP, where the first request frame includes first indication information and/or a target coordinated transmission command, where the first indication information is used to indicate the first target coordinated transmission mode,
- the first target cooperative transmission mode is a cooperative transmission mode in which the first AP requests the second AP to participate
- the target cooperative transmission command is a cooperative transmission command corresponding to the first target cooperative transmission mode.
- the first indication information indicates the first target cooperative transmission mode in a bitmap manner.
- the first indication information includes a plurality of bits, each bit corresponds to one of multiple cooperative transmission modes, and the value of each bit is used to indicate whether the first AP requests the second AP to participate in the corresponding cooperation. transmission mode.
- different values of the first indication information are used to indicate the cooperative transmission mode in which the first AP requests the second AP to participate.
- the cooperative transmission command corresponding to the first target cooperative transmission mode includes at least one of the following information:
- the first request frame includes a coordinated transmission command corresponding to the C-BF mode
- the coordinated transmission command corresponding to the C-BF mode include at least one of the following information:
- the first target coordinated transmission mode includes the joint transmission J-TX mode
- the first request frame includes a coordinated transmission command corresponding to the J-TX mode
- the coordinated transmission command corresponding to the J-TX mode includes the following At least one of the information:
- the first target coordinated transmission mode includes coordinated orthogonal frequency division multiple access access C-OFDMA mode
- the first request frame includes a coordinated transmission command corresponding to the C-OFDMA mode
- the C-OFDMA mode includes:
- the available RUs or MRUs shared by the first AP with the second AP are the available RUs or MRUs shared by the first AP with the second AP.
- the first target coordinated transmission mode includes the coordinated spatial multiplexing C-SR mode
- the first request frame includes a coordinated transmission command corresponding to the C-SR mode
- the coordinated transmission command corresponding to the C-SR mode include at least one of the following information:
- the first request frame when the first target coordinated transmission mode includes the coordinated uplink multi-user multiple input multiple output C-UL MU-MIMO mode, the first request frame includes a coordinated transmission command corresponding to the C-UL MU-MIMO mode.
- the first request frame is a control frame.
- the first request frame includes a cooperative transmission request field, and the first indication information and/or the target cooperative transmission command are carried in the cooperative transmission request field.
- the collaborative transmission request fields include at least one of the following fields:
- the cooperative transmission mode field used is used to indicate the cooperative transmission mode in which the first AP requests the second AP to participate;
- the C-BF command field is used to indicate the cooperative transmission command corresponding to the C-BF mode
- the C-OFDMA command field is used to indicate the coordinated transmission command corresponding to the C-OFDMA mode
- the C-SR command field is used to indicate the cooperative transmission command corresponding to the C-SR mode
- J-TX command field used to indicate the cooperative transmission command corresponding to J-TX mode
- the C-BF command field is used to indicate the cooperative transmission command corresponding to the C-BF mode
- the C-UL MU-MIMO command field is used to indicate the cooperative transmission command corresponding to the C-UL MU-MIMO mode.
- the C-BF command field includes at least one of the following fields:
- Report the CSI field of the associated STA used to indicate whether to report the CSI between the second AP and the associated STA
- the CSI field reported by the OBSS STA is used to indicate whether to report the CSI between the second AP and the OBSS STA.
- the C-OFDMA command field includes:
- the available RU/MRU field is used to indicate the RU or MRU shared by the first AP to the second AP.
- the C-SR command field includes at least one of the following fields:
- Report the RSSI field of the associated STA used to indicate whether to report the RSSI between the second AP and the associated STA
- the RSSI field that reports the OBSS STA is used to indicate whether to report the RSSI between the second AP and the OBSS STA.
- the J-TX command field includes at least one of the following fields:
- Report the CSI field of the associated STA used to indicate whether to report the CSI between the second AP and the associated STA
- the CSI field reported by the OBSS STA is used to indicate whether to report the CSI between the second AP and the OBSS STA.
- the first request frame is a trigger frame.
- the first indication information is carried in a general information field or a user information field in the first request frame.
- the target collaborative transmission command is carried in a general information field or a user information field in the first request frame.
- the first request frame includes a trigger frame type field
- the value of the trigger frame type is a first value, indicating that the first request frame is used to request the second AP to participate in the multi-AP of the first target coordinated transmission mode.
- the first value is the reserved value of the trigger frame type field.
- the first request frame includes a general information field of trigger frame type, and the first indication information and the target cooperative transmission command are carried in the general information field of trigger frame type.
- the general information field of the trigger frame type includes at least one of the following fields:
- the cooperative transmission mode field used is used to indicate the first target cooperative transmission mode
- the related coordinated transmission mode command field is used to indicate the coordinated transmission command corresponding to the first target coordinated transmission mode.
- the first request frame includes a general information field of trigger frame type and a special user information field
- the first indication information is carried in the general information field of trigger frame type
- the target cooperative transmission command is carried in the special user information field.
- the common information fields of the trigger frame type include:
- the cooperative transmission mode field used is used to indicate the first target cooperative transmission mode.
- the special user information field includes a trigger frame type user information field
- the target cooperative transmission command is carried in the trigger frame type user information field.
- the user information field of the trigger frame type includes at least one of the following fields:
- Report the CSI field of the associated STA used to indicate whether to report the CSI between the second AP and the associated STA
- the available RU/MRU field is used to indicate the RU or MRU shared by the first AP to the second AP;
- Report the RSSI field of the associated STA used to indicate whether to report the RSSI between the second AP and the associated STA
- the RSSI field that reports the OBSS STA is used to indicate whether to report the RSSI between the second AP and the OBSS STA.
- the user information field of the trigger frame type includes at least one of the following fields:
- Report the CSI field of the associated STA used to indicate whether to report the CSI between the second AP and the associated STA
- the CSI field reported by the OBSS STA is used to indicate whether to report the CSI between the second AP and the OBSS STA.
- the user information field of the trigger frame type includes:
- the available RU/MRU field is used to indicate the RU or MRU shared by the first AP to the second AP.
- the user information field of the trigger frame type includes at least one of the following fields:
- Report the RSSI field of the associated STA used to indicate whether to report the RSSI between the second AP and the associated STA
- the RSSI field that reports the OBSS STA is used to indicate whether to report the RSSI between the second AP and the OBSS STA.
- the special user information field includes an association identifier AID12 field
- the value of the AID12 field is a second value, which is used to indicate that the first request frame is used to request the second AP to participate in the multi-AP of the first target coordinated transmission mode.
- the second value is the reserved value of the AID12 field.
- the first request frame includes a general information field of trigger frame type and a multi-AP user information field
- the first indication information is carried in a general information field of trigger frame type
- the target cooperative transmission command is carried in a multi-AP user information field.
- the common information fields of the trigger frame type include:
- the cooperative transmission mode field used is used to indicate the first target cooperative transmission mode.
- the multi-AP user information field includes an AID12 field
- the value of the AID12 field is a third value, which is used to indicate that the first request frame is used to request the second AP to participate in multi-AP coordinated transmission in the first target coordinated transmission mode.
- the third value is the reserved value of the AID12 field.
- the multi-AP user information field includes at least one of the following fields:
- Report the CSI field of the associated STA used to indicate whether to report the CSI between the second AP and the associated STA
- the available RU/MRU field is used to indicate the RU or MRU shared by the first AP to the second AP;
- Report the RSSI field of the associated STA used to indicate whether to report the RSSI between the second AP and the associated STA
- the RSSI field that reports the OBSS STA is used to indicate whether to report the RSSI between the second AP and the OBSS STA.
- the first request frame includes a user information field of trigger frame type, and the first indication information and the target cooperative transmission command are carried in the user information field of trigger frame type.
- the user information field of the trigger frame type includes at least one of the following fields:
- the cooperative transmission mode field used is used to indicate the first target cooperative transmission mode
- the related coordinated transmission mode command field is used to indicate the coordinated transmission command corresponding to the first target coordinated transmission mode.
- the relevant cooperative transmission mode command fields include at least one of the following fields:
- Report the CSI field of the associated STA used to indicate whether to report the CSI between the second AP and the associated STA
- the available RU/MRU field is used to indicate the RU or MRU that the first AP shares with at least one second AP;
- Report the RSSI field of the associated STA used to indicate whether to report the RSSI between the second AP and the associated STA
- the RSSI field that reports the OBSS STA is used to indicate whether to report the RSSI between the second AP and the OBSS STA.
- the relevant cooperative transmission mode command field includes at least one of the following fields:
- Report the CSI field of the associated STA used to indicate whether to report the CSI between the second AP and the associated STA
- the CSI field reported by the OBSS STA is used to indicate whether to report the CSI between the second AP and the OBSS STA.
- the related coordinated transmission mode command field includes:
- the available RU/MRU field is used to indicate the RU or MRU that the first AP shares with at least one second AP.
- the related coordinated transmission mode command field includes at least one of the following fields:
- Report the RSSI field of the associated STA used to indicate whether to report the RSSI between the second AP and the associated STA
- the RSSI field that reports the OBSS STA is used to indicate whether to report the RSSI between the second AP and the OBSS STA.
- the cooperative transmission mode fields used include at least one of the following fields:
- J-TX field Use the J-TX field to indicate whether to request multi-AP cooperative transmission using J-TX mode
- the cooperative transmission mode fields used include:
- the cooperative transmission mode subfield used is used to indicate the cooperative transmission mode in which the first AP requests the second AP to participate.
- the communication unit 510 is further configured to: send a first response frame to the first AP, where the first response frame is used to indicate whether the second AP participates in multi-AP coordinated transmission of the first target coordinated transmission mode.
- the first response frame includes second indication information and/or target collaborative transmission information
- the second indication information is used to indicate the second target collaborative transmission mode
- the second target collaborative transmission mode is collaboration in which the second AP participates.
- transmission mode the target cooperative transmission information is the cooperative transmission information corresponding to the second target cooperative transmission mode.
- the second indication information is indicated in a bitmap manner.
- the second indication information includes a plurality of bits, each bit corresponds to one of multiple cooperative transmission modes, and the value of each bit is used to indicate whether the second AP participates in the corresponding cooperative transmission mode.
- different values of the second indication information are used to indicate the cooperative transmission mode in which the second AP participates.
- the target collaborative transmission information includes at least one of the following information:
- the first response frame includes coordinated transmission information corresponding to the C-BF mode
- the coordinated transmission information corresponding to the C-BF mode includes at least one of the following: one:
- the first response frame includes coordinated transmission information corresponding to the J-TX mode
- the coordinated transmission information corresponding to the J-TX mode includes at least one of the following: one:
- the first response frame includes coordinated transmission information corresponding to the C-OFDMA mode
- the coordinated transmission information corresponding to the C-OFDMA mode includes: the second The RU or MRU selected by the AP.
- the first response frame includes coordinated transmission information corresponding to the C-SR mode
- the coordinated transmission information corresponding to the C-SR mode includes at least one of the following: one:
- the first response frame when the second target cooperative transmission mode includes the C-UL MU-MIMO mode, the first response frame includes cooperative transmission information corresponding to the C-UL MU-MIMO mode.
- the first response frame is a control frame.
- the first response frame includes a coordinated transmission response field
- the second indication information and/or target coordinated transmission information is carried in the coordinated transmission response field.
- the collaborative transmission response field includes at least one of the following fields:
- the accepted cooperative transmission mode field is used to indicate the cooperative transmission mode in which the second AP participates
- the participating STA list field is used to indicate the STAs participating in the second target cooperative transmission mode
- the C-BF information field is used to indicate the cooperative transmission information corresponding to the C-BF mode
- the C-OFDMA information field is used to indicate the coordinated transmission information corresponding to the C-OFDMA mode
- the C-SR information field is used to indicate the coordinated transmission information corresponding to the C-SR mode
- J-TX information field used to indicate cooperative transmission information corresponding to J-TX mode
- the C-UL MU-MIMO information field is used to indicate the cooperative transmission information corresponding to the C-UL MU-MIMO mode.
- the C-BF information field includes at least one of the following fields:
- Participating STA list field used to indicate STAs participating in C-BF mode
- At least one CSI field is used to indicate CSI between the second AP and at least one STA participating in the C-BF mode.
- the J-TX information field includes at least one of the following fields:
- Participating STA list field used to indicate STAs participating in J-TX mode
- At least one CSI field is used to indicate CSI between the second AP and at least one STA participating in the J-TX mode.
- the C-SR information field includes at least one of the following fields:
- Participating STA list field used to indicate STAs participating in C-SR mode
- At least one RSSI field is used to indicate the RSSI between the second AP and at least one STA participating in the C-SR mode.
- the C-OFDMA information field includes:
- the selected RU/MRU field is used to indicate the RU/MRU selected by the second AP.
- the first response frame is a quality of service QoS null frame
- the second indication information and/or target cooperative transmission information is carried in the aggregation control A-Control field in the QoS null frame.
- the A-Control field includes a control information field, and the second indication information and/or the target cooperative transmission information are carried in the control information field.
- control information field includes at least one of the following:
- the accepted cooperative transmission mode field is used to indicate the cooperative transmission mode in which the second AP participates
- the cooperative transmission mode information field is used to indicate the target cooperative transmission information.
- the cooperative transmission mode information field includes at least one of the following fields:
- the participating STA list field is used to indicate the STAs participating in the second target cooperative transmission mode
- At least one CSI field used to indicate CSI between the second AP and at least one STA participating in the C-BF mode and/or the J-TX mode;
- At least one RSSI field used to indicate the RSSI between the second AP and at least one STA participating in the C-SR mode
- the selected RU/MRU field is used to indicate the RU/MRU selected by the second AP.
- the coordinated transmission mode information field includes: a participating STA list field, used to indicate STAs participating in the C-BF mode.
- the coordinated transmission mode information field includes: a participating STA list field, used to indicate STAs participating in the J-TX mode.
- the coordinated transmission mode information field includes at least one of the following fields:
- the RSSI field of the associated STA is used to indicate the RSSI between the second AP and at least one associated STA participating in the C-SR mode;
- the RSSI field of the OBSS STA is used to indicate the RSSI between the second AP and at least one OBSS STA participating in the C-SR mode.
- the cooperative transmission mode information field includes: a selected RU/MRU field, used to indicate the RU/MRU selected by the second AP.
- the accepted collaborative transmission mode field includes at least one of the following fields:
- J-TX field which is used to indicate whether the second AP participates in multi-AP cooperative transmission in J-TX mode
- C-UL MU MIMO field which is used to indicate whether the second AP participates in multi-AP cooperative transmission in C-UL MU MIMO mode.
- the accepted collaborative transmission mode fields include:
- the accepted cooperative transmission mode subfield is used to indicate the cooperative transmission mode in which the second AP participates.
- the communication unit 510 is further configured to: receive a first notification frame sent by the first AP, where the first notification frame is used to notify the APs participating in coordinated transmission of collaborative transmission parameters used.
- the first notification frame includes first notification information, and the first notification information includes at least one of the following:
- the third indication information is used to indicate the third target cooperative transmission mode.
- the third target cooperative transmission mode is the cooperative transmission mode determined to be adopted by the first AP; a list of APs participating in the third target cooperative transmission mode;
- the cooperative transmission parameters for the third target cooperative transmission mode include at least one of the following:
- cooperative transmission parameters for C-BF mode include:
- cooperative transmission parameters for J-TX mode include:
- cooperative transmission parameters for C-OFDMA mode include:
- cooperative transmission parameters for C-SR mode include:
- cooperative transmission parameters for C-UL-MU-MIMO mode include:
- the first notification frame includes a cooperative transmission notification field, and the first notification information is carried in the cooperative transmission notification field.
- the collaborative transmission notification field includes at least one of the following fields:
- the adopted cooperative transmission mode field is used to indicate the third target cooperative transmission mode
- AP list field used to indicate APs participating in the third target cooperative transmission mode
- the C-BF parameter field is used to indicate the coordinated transmission parameters corresponding to the C-BF mode
- the C-OFDMA parameter field is used to indicate the coordinated transmission parameters corresponding to the C-OFDMA mode
- the C-SR parameter field is used to indicate the coordinated transmission parameters corresponding to the C-SR mode
- the J-TX parameter field is used to indicate the cooperative transmission parameters corresponding to the J-TX mode
- the C-UL MU-MIMO parameter field is used to indicate the cooperative transmission parameters corresponding to the C-UL MU-MIMO mode.
- the adopted cooperative transmission mode field includes at least one of the following fields:
- the C-BF field is used to indicate whether to use multi-AP cooperative transmission in C-BF mode
- the C-OFDMA field is used to indicate whether to use multi-AP cooperative transmission in C-OFDMA mode
- the C-SR field is used to indicate whether to use multi-AP collaborative transmission in C-SR mode
- the J-TX field is used to indicate whether to use multi-AP cooperative transmission in J-TX mode
- the C-UL MU MIMO field is used to indicate whether to use multi-AP cooperative transmission in C-UL MU MIMO mode.
- the adopted cooperative transmission mode fields include:
- the adopted cooperative transmission mode subfield is used to indicate the adopted cooperative transmission mode.
- the C-BF parameter field includes at least one of the following fields:
- AP list field used to indicate at least one AP participating in C-BF mode
- At least one transmission matrix field corresponding to at least one AP participating in the C-BF mode, is used to indicate the transmission matrix used by the AP participating in the C-BF mode.
- the J-TX parameter field includes at least one of the following fields:
- AP list field used to indicate at least one AP participating in J-TX mode
- At least one transmission matrix field corresponding to at least one AP participating in the J-TX mode, is used to indicate the transmission matrix used by the AP participating in the J-TX mode.
- the C-OFDMA parameter field includes at least one of the following fields:
- AP list field used to indicate at least one AP participating in C-OFDMA mode
- At least one RU/MRU field corresponds to at least one AP participating in the C-OFDMA mode, and is used to indicate the RU or MRU used by the AP participating in the C-OFDMA mode.
- the C-SR parameter field includes at least one of the following fields:
- AP list field used to indicate at least one AP participating in C-SR mode
- At least one transmit power field corresponding to at least one AP participating in the C-SR mode, is used to indicate the transmit power used by the AP participating in the C-SR mode.
- the C-UL MU-MIMO parameter field includes at least one of the following fields:
- AP list field used to indicate at least one AP participating in C-UL MU-MIMO mode
- At least one SS allocation field corresponding to at least one AP participating in the C-UL MU-MIMO mode, is used to indicate the SS allocation information used by the AP participating in the C-UL MU-MIMO mode.
- the first notification frame is also used to trigger the AP to perform multi-AP coordinated transmission using the third target coordinated transmission mode.
- the above-mentioned communication unit may be a communication interface or transceiver, or an input/output interface of a communication chip or a system on a chip.
- the above-mentioned processing unit may be one or more processors.
- the second AP 500 may correspond to the second AP or Shared AP in the method embodiment of the present application, and the above and other operations and/or functions of each unit in the second AP 500 are respectively
- the corresponding processes for implementing the second AP or Shared AP in the method 200 shown in Figures 4 to 49 will not be described again for the sake of simplicity.
- Figure 52 is a schematic structural diagram of a communication device 600 provided by an embodiment of the present application.
- the communication device 600 shown in Figure 52 includes a processor 610.
- the processor 610 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
- the communication device 600 may further include a memory 620.
- the processor 610 can call and run the computer program from the memory 620 to implement the method in the embodiment of the present application.
- the memory 620 may be a separate device independent of the processor 610 , or may be integrated into the processor 610 .
- the communication device 600 can also include a transceiver 630, and the processor 610 can control the transceiver 630 to communicate with other devices. Specifically, it can send information or data to other devices, or receive other devices. Information or data sent by the device.
- the transceiver 630 may include a transmitter and a receiver.
- the transceiver 630 may further include an antenna, and the number of antennas may be one or more.
- the communication device 600 may specifically be the first AP or the Sharing AP in the embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the first AP or the Sharing AP in the various methods of the embodiment of the present application, For the sake of brevity, no further details will be given here.
- the communication device 600 may specifically be the second AP or the Shared AP in the embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the second AP or the Shared AP in the various methods of the embodiment of the present application, For the sake of brevity, no further details will be given here.
- Figure 53 is a schematic structural diagram of a chip according to an embodiment of the present application.
- the chip 700 shown in Figure 53 includes a processor 710.
- the processor 710 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
- the chip 700 may also include a memory 720.
- the processor 710 can call and run the computer program from the memory 720 to implement the method in the embodiment of the present application.
- the memory 720 may be a separate device independent of the processor 710 , or may be integrated into the processor 710 .
- the chip 700 may also include an input interface 730.
- the processor 710 can control the input interface 730 to communicate with other devices or chips. Specifically, it can obtain information or data sent by other devices or chips.
- the chip 700 may also include an output interface 740.
- the processor 710 can control the output interface 740 to communicate with other devices or chips. Specifically, it can output information or data to other devices or chips.
- the chip can be applied to the first AP or Sharing AP in the embodiment of this application, and the chip can implement the corresponding processes implemented by the first AP or Sharing AP in each method of the embodiment of this application.
- I won’t go into details here.
- the chip can be applied to the second AP or Shared AP in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the second AP or the Shared AP in the various methods of the embodiment of the present application.
- I won’t go into details here.
- chips mentioned in the embodiments of this application may also be called system-on-chip, system-on-a-chip, system-on-chip or system-on-chip, etc.
- Figure 54 is a schematic block diagram of a communication system 900 provided by an embodiment of the present application. As shown in Figure 54, the communication system 900 includes a first access point 910 and a second access point 920.
- the first access point 910 can be used to implement the corresponding functions implemented by the first AP or Sharing AP in the above method
- the second access point 920 can be used to implement the second AP or Sharing AP in the above method.
- the corresponding functions implemented by the AP will not be described again here.
- the processor in the embodiment of the present application may be an integrated circuit chip and has signal processing capabilities.
- each step of the above method embodiment can be completed through an integrated logic circuit of hardware in the processor or instructions in the form of software.
- the above-mentioned processor can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other available processors.
- DSP Digital Signal Processor
- ASIC Application Specific Integrated Circuit
- FPGA Field Programmable Gate Array
- a general-purpose processor may be a microprocessor or the processor may be any conventional processor, etc.
- the steps of the method disclosed in conjunction with the embodiments of the present application can be directly implemented by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
- the software module can be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other mature storage media in this field.
- the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
- non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically removable memory. Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. Volatile memory may be Random Access Memory (RAM), which is used as an external cache.
- RAM Random Access Memory
- RAM static random access memory
- DRAM dynamic random access memory
- DRAM synchronous dynamic random access memory
- SDRAM double data rate synchronous dynamic random access memory
- Double Data Rate SDRAM Double Data Rate SDRAM
- ESDRAM enhanced synchronous dynamic random access memory
- Synchlink DRAM SLDRAM
- Direct Rambus RAM Direct Rambus RAM
- the memory in the embodiment of the present application can also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is, memories in embodiments of the present application are intended to include, but are not limited to, these and any other suitable types of memories.
- Embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
- the computer-readable storage medium can be applied to the first AP or Sharing AP in the embodiment of the present application, and the computer program causes the computer to execute the methods implemented by the first AP or the Sharing AP in the embodiment of the present application.
- the corresponding process will not be repeated here for the sake of brevity.
- the computer-readable storage medium can be applied to the second AP or the Shared AP in the embodiment of the present application, and the computer program causes the computer to execute the methods implemented by the second AP or the Shared AP in the embodiments of the present application.
- the corresponding process will not be repeated here for the sake of brevity.
- An embodiment of the present application also provides a computer program product, including computer program instructions.
- the computer program product can be applied to the first AP or Sharing AP in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding functions implemented by the first AP or the Sharing AP in each method of the embodiment of the present application.
- the process for the sake of brevity, will not be repeated here.
- the computer program product can be applied to the second AP or Shared AP in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding steps implemented by the second AP or the Shared AP in each method of the embodiment of the present application.
- the process for the sake of brevity, will not be repeated here.
- An embodiment of the present application also provides a computer program.
- the computer program can be applied to the first AP or Sharing AP in the embodiment of the present application.
- the computer program When the computer program is run on the computer, the computer performs the various methods of the embodiment of the present application by the first AP or Sharing AP.
- the corresponding process of AP implementation will not be repeated here for the sake of simplicity.
- the computer program can be applied to the second AP or Shared AP in the embodiment of the present application.
- the computer program When the computer program is run on the computer, the computer performs the various methods of the embodiment of the present application by the second AP or Shared AP.
- the corresponding process of AP implementation will not be repeated here for the sake of simplicity.
- the disclosed systems, devices and methods can be implemented in other ways.
- the device embodiments described above are only illustrative.
- the division of the units is only a logical function division. In actual implementation, there may be other division methods.
- multiple units or components may be combined or can be integrated into another system, or some features can be ignored, or not implemented.
- the coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, indirect coupling or communication connection of devices or units, which may be in electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or they may be distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
- each functional unit in each embodiment of the present application can be integrated into one processing unit, each unit can exist physically alone, or two or more units can be integrated into one unit.
- the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
- the technical solution of the present application is essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product.
- the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in various embodiments of this application.
- the aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code. .
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Abstract
Description
Claims (186)
- 一种无线通信的方法,其特征在于,包括:第一接入点AP向至少一个第二AP发送第一请求帧,所述第一请求帧包括第一指示信息和/或目标协作传输命令,其中,所述第一指示信息用于指示第一目标协作传输模式,所述第一目标协作传输模式为所述第一AP请求所述至少一个第二AP参与的协作传输模式,所述目标协作传输命令为所述第一目标协作传输模式对应的协作传输命令。
- 根据权利要求1所述的方法,其特征在于,所述第一指示信息是通过位图方式指示所述第一目标协作传输模式的。
- 根据权利要求2所述的方法,其特征在于,所述第一指示信息包括多个比特,每个比特对应多种协作传输模式中的一种,所述每个比特的取值用于指示所述第一AP是否请求所述至少一个第二AP参与对应的协作传输模式。
- 根据权利要求1所述的方法,其特征在于,所述第一指示信息的不同取值用于指示所述第一AP请求所述至少一个第二AP参与的协作传输模式。
- 根据权利要求1-4中任一项所述的方法,其特征在于,所述第一目标协作传输模式对应的协作传输命令包括以下信息中的至少之一:是否上报所述第二AP与关联站点STA之间的信道状态信息CSI的指示信息;是否上报第二AP与重叠基础服务集OBSS STA之间的CSI的指示信息;所述第一AP分享给所述至少一个第二AP的可用资源单元RU或多资源单元MRU;是否上报所述第二AP与关联STA之间的接收信号的强度指示RSSI的指示信息;是否上报所述第二AP与OBSS STA之间的RSSI的指示信息。
- 根据权利要求1-5中任一项所述的方法,其特征在于,在所述第一目标协作传输模式包括协作波束赋形C-BF模式的情况下,所述第一请求帧包括C-BF模式对应的协作传输命令,所述C-BF模式对应的协作传输命令包括以下信息中的至少之一:是否上报所述第二AP与关联STA之间的CSI的指示信息;是否上报第二AP与OBSS STA之间的CSI的指示信息。
- 根据权利要求1-6中任一项所述的方法,其特征在于,在所述第一目标协作传输模式包括联合传输J-TX模式的情况下,所述第一请求帧包括J-TX模式对应的协作传输命令,所述J-TX模式对应的协作传输命令包括以下信息中的至少之一:是否上报所述第二AP与关联STA之间的CSI的指示信息;是否上报第二AP与OBSS STA之间的CSI的指示信息。
- 根据权利要求1-7中任一项所述的方法,其特征在于,在所述第一目标协作传输模式包括协作正交频分多址接入C-OFDMA模式的情况下,所述第一请求帧包括C-OFDMA模式对应的协作传输命令,所述C-OFDMA模式对应的协作传输命令包括:所述第一AP分享给所述至少一个第二AP的可用RU或MRU。
- 根据权利要求1-8中任一项所述的方法,其特征在于,在所述第一目标协作传输模式包括协作空间复用C-SR模式的情况下,所述第一请求帧包括C-SR模式对应的协作传输命令,所述C-SR模式对应的协作传输命令包括以下信息中的至少之一:是否上报所述第二AP与关联STA之间的RSSI的指示信息;是否上报所述第二AP与OBSS STA之间的RSSI的指示信息。
- 根据权利要求1-9中任一项所述的方法,其特征在于,在所述第一目标协作传输模式包括协作上行多用户多输入多输出C-UL MU-MIMO模式的情况下,所述第一请求帧包括C-UL MU-MIMO模式对应的协作传输命令。
- 根据权利要求1-10中任一项所述的方法,其特征在于,所述第一请求帧为控制帧。
- 根据权利要求11所述的方法,其特征在于,所述第一请求帧包括协作传输请求字段,所述第一指示信息和/或所述目标协作传输命令承载于所述协作传输请求字段。
- 根据权利要求12所述的方法,其特征在于,所述协作传输请求字段包括以下至少一个字段:使用的协作传输模式字段,用于指示所述第一AP请求所述至少一个第二AP参与的协作传输模式;C-BF命令字段,用于指示C-BF模式对应的协作传输命令;C-OFDMA命令字段,用于指示C-OFDMA模式对应的协作传输命令;C-SR命令字段,用于指示C-SR模式对应的协作传输命令;J-TX命令字段,用于指示J-TX模式对应的协作传输命令;C-BF命令字段,用于指示C-BF模式对应的协作传输命令;C-UL MU-MIMO命令字段,用于指示C-UL MU-MIMO模式对应的协作传输命令。
- 根据权利要求13所述的方法,其特征在于,所述C-BF命令字段包括以下至少一个字段:上报关联STA的CSI字段,用于指示是否上报所述第二AP与关联STA之间的CSI;上报OBSS STA的CSI字段,用于指示是否上报所述第二AP与OBSS STA之间的CSI。
- 根据权利要求13或14所述的方法,其特征在于,所述C-OFDMA命令字段包括:可用RU/MRU字段,用于指示所述第一AP分享给所述至少一个第二AP的RU或MRU。
- 根据权利要求13-15中任一项所述的方法,其特征在于,所述C-SR命令字段包括以下至少一个字段:上报关联STA的RSSI字段,用于指示是否上报所述第二AP与关联STA之间的RSSI;上报OBSS STA的RSSI字段,用于指示是否上报所述第二AP与OBSS STA之间的RSSI。
- 根据权利要求13-16中任一项所述的方法,其特征在于,所述J-TX命令字段包括以下至少一个字段:上报关联STA的CSI字段,用于指示是否上报所述第二AP与关联STA之间的CSI;上报OBSS STA的CSI字段,用于指示是否上报所述第二AP与OBSS STA之间的CSI。
- 根据权利要求1-10中任一项所述的方法,其特征在于,所述第一请求帧为触发帧。
- 根据权利要求18所述的方法,其特征在于,所述第一指示信息承载在所述第一请求帧中的通用信息字段或用户信息字段;和/或所述目标协作传输命令承载在所述第一请求帧中的通用信息字段或用户信息字段。
- 根据权利要求18或19所述的方法,其特征在于,所述第一请求帧包括触发帧类型字段,所述触发帧类型字段的取值为第一值,用于指示所述第一请求帧用于请求所述至少一个第二AP参与所述第一目标协作传输模式的多AP协作传输,所述第一值为所述触发帧类型字段的预留值。
- 根据权利要求18-20中任一项所述的方法,其特征在于,所述第一请求帧包括触发帧类型的通用信息字段,所述第一指示信息和所述目标协作传输命令承载在所述触发帧类型的通用信息字段。
- 根据权利要求21所述的方法,其特征在于,所述触发帧类型的通用信息字段包括以下至少一个字段:使用的协作传输模式字段,用于指示所述第一目标协作传输模式;相关协作传输模式命令字段,用于指示所述第一目标协作传输模式对应的协作传输命令。
- 根据权利要求18-20中任一项所述的方法,其特征在于,所述第一请求帧包括触发帧类型的通用信息字段和特殊用户信息字段,所述第一指示信息承载在所述触发帧类型的通用信息字段,所述目标协作传输命令承载在特殊用户信息字段。
- 根据权利要求23所述的方法,其特征在于,所述触发帧类型的通用信息字段包括:使用的协作传输模式字段,用于指示所述第一目标协作传输模式。
- 根据权利要求23或24所述的方法,其特征在于,所述特殊用户信息字段包括触发帧类型的用户信息字段,所述目标协作传输命令承载在触发帧类型的用户信息字段。
- 根据权利要求25所述的方法,其特征在于,所述触发帧类型的用户信息字段包括以下至少一个字段:上报关联STA的CSI字段,用于指示是否上报所述第二AP与关联STA之间的CSI;上报OBSS STA的CSI字段,用于指示是否上报所述第二AP与OBSS STA之间的CSI;可用RU/MRU字段,用于指示所述第一AP分享给所述至少一个第二AP的RU或MRU;上报关联STA的RSSI字段,用于指示是否上报所述第二AP与关联STA之间的RSSI;上报OBSS STA的RSSI字段,用于指示是否上报所述第二AP与OBSS STA之间的RSSI。
- 根据权利要求25或26所述的方法,其特征在于,在所述第一目标协作传输模式包括C-BF模式和/或J-TX模式的情况下,所述触发帧类型的用户信息字段包括以下至少一个字段:上报关联STA的CSI字段,用于指示是否上报所述第二AP与关联STA之间的CSI;上报OBSS STA的CSI字段,用于指示是否上报所述第二AP与OBSS STA之间的CSI。
- 根据权利要求25-27中任一项所述的方法,其特征在于,在所述第一目标协作传输模式包括C-OFDMA模式的情况下,所述触发帧类型的用户信息字段包括:可用RU/MRU字段,用于指示所述第一AP分享给所述至少一个第二AP的RU或MRU。
- 根据权利要求25-28中任一项所述的方法,其特征在于,在所述第一目标协作传输模式包括C-SR模式的情况下,所述触发帧类型的用户信息字段包括以下至少一个字段:上报关联STA的RSSI字段,用于指示是否上报所述第二AP与关联STA之间的RSSI;上报OBSS STA的RSSI字段,用于指示是否上报所述第二AP与OBSS STA之间的RSSI。
- 根据权利要求23-29中任一项所述的方法,其特征在于,所述特殊用户信息字段包括关联标识符AID12字段,所述AID12字段的取值为第二值,用于指示所述第一请求帧用于请求所述至少一个第二AP参与第一目标协作传输模式的多AP协作传输,所述第二值为所述AID12字段的预留值。
- 根据权利要求18-20中任一项所述的方法,其特征在于,所述第一请求帧包括触发帧类型的通用信息字段和多AP用户信息字段,所述第一指示信息承载在所述触发帧类型的通用信息字段,所述目标协作传输命令承载在所述多AP用户信息字段。
- 根据权利要求31所述的方法,其特征在于,所述触发帧类型的通用信息字段包括:使用的协作传输模式字段,用于指示所述第一目标协作传输模式。
- 根据权利要求31或32所述的方法,其特征在于,所述多AP用户信息字段包括AID12字段,所述AID12字段的取值为第三值,用于指示所述第一请求帧用于请求所述至少一个第二AP参与第一目标协作传输模式的多AP协作传输,所述第三值为所述AID12字段的预留值。
- 根据权利要求31-33中任一项所述的方法,其特征在于,所述多AP用户信息字段包括以下至少一个字段:上报关联STA的CSI字段,用于指示是否上报所述第二AP与关联STA之间的CSI;上报OBSS STA的CSI字段,用于指示是否上报所述第二AP与OBSS STA之间的CSI;可用RU/MRU字段,用于指示所述第一AP分享给所述至少一个第二AP的RU或MRU;上报关联STA的RSSI字段,用于指示是否上报所述第二AP与关联STA之间的RSSI;上报OBSS STA的RSSI字段,用于指示是否上报所述第二AP与OBSS STA之间的RSSI。
- 根据权利要求18-20中任一项所述的方法,其特征在于,所述第一请求帧包括触发帧类型的用户信息字段,所述第一指示信息和所述目标协作传输命令承载在所述触发帧类型的用户信息字段。
- 根据权利要求35所述的方法,其特征在于,所述触发帧类型的用户信息字段包括以下至少一个字段:使用的协作传输模式字段,用于指示所述第一目标协作传输模式;相关协作传输模式命令字段,用于指示所述第一目标协作传输模式对应的协作传输命令。
- 根据权利要求22或36所述的方法,其特征在于,所述相关协作传输模式命令字段包括以下至少一个字段:上报关联STA的CSI字段,用于指示是否上报所述第二AP与关联STA之间的CSI;上报OBSS STA的CSI字段,用于指示是否上报所述第二AP与OBSS STA之间的CSI;可用RU/MRU字段,用于指示所述第一AP分享给所述至少一个第二AP的RU或MRU;上报关联STA的RSSI字段,用于指示是否上报所述第二AP与关联STA之间的RSSI;上报OBSS STA的RSSI字段,用于指示是否上报所述第二AP与OBSS STA之间的RSSI。
- 根据权利要求37所述的方法,其特征在于,在所述第一目标协作传输模式包括C-BF模式和/或J-TX模式的情况下,所述相关协作传输模式命令字段包括以下至少一个字段:上报关联STA的CSI字段,用于指示是否上报所述第二AP与关联STA之间的CSI;上报OBSS STA的CSI字段,用于指示是否上报所述第二AP与OBSS STA之间的CSI。
- 根据权利要求37或38所述的方法,其特征在于,在所述第一目标协作传输模式包括C-OFDMA模式的情况下,所述相关协作传输模式命令字段包括:可用RU/MRU字段,用于指示所述第一AP分享给所述至少一个第二AP的RU或MRU。
- 根据权利要求37-39中任一项所述的方法,其特征在于,在所述第一目标协作传输模式包括C-SR模式的情况下,所述相关协作传输模式命令字段包括以下至少一个字段:上报关联STA的RSSI字段,用于指示是否上报所述第二AP与关联STA之间的RSSI;上报OBSS STA的RSSI字段,用于指示是否上报所述第二AP与OBSS STA之间的RSSI。
- 根据权利要求13、22、24、32或36所述的方法,其特征在于,所述使用的协作传输模式字段包括以下至少一个字段:使用C-BF字段,用于指示是否请求使用C-BF模式的多AP协作传输;使用C-OFDMA字段,用于指示是否请求使用C-OFDMA模式的多AP协作传输;使用C-SR字段,用于指示是否请求使用C-SR模式的多AP协作传输;使用J-TX字段,用于指示是否请求使用J-TX模式的多AP协作传输;使用C-UL MU MIMO字段,用于指示是否请求使用C-UL MU MIMO模式的多AP协作传输。
- 根据权利要求13、22、24、32或36所述的方法,其特征在于,所述使用的协作传输模式字段包括:使用的协作传输模式子字段,用于指示所述第一AP请求所述至少一个第二AP参与的协作传输模式。
- 根据权利要求1-42中任一项所述的方法,其特征在于,所述方法还包括:所述第一AP接收至少一个第二AP发送的第一响应帧,所述第一响应帧用于指示所述至少一个第二AP是否参与所述第一目标协作传输模式的多AP协作传输。
- 根据权利要求43所述的方法,其特征在于,所述第一AP接收至少一个第二AP发送的第一响应帧,包括:所述第一AP接收至少一个第二AP同步发送的第一响应帧;或所述第一AP接收至少一个第二AP异步发送的第一响应帧。
- 根据权利要求44所述的方法,其特征在于,所述第一请求帧包括在聚合的媒介接入控制协议数据单元A-MPDU中,在所述至少一个第二AP同步发送所述第一响应帧的情况下,所述A-MPDU还包括触发帧,所述触发帧用于给所述至少一个第二AP分配发送资源并触发所述至少一个第二AP同时发送所述第一响应帧。
- 根据权利要求43-45中任一项所述的方法,其特征在于,所述第一响应帧包括第二指示信息和/或目标协作传输信息,所述第二指示信息用于指示第二目标协作传输模式,所述第二目标协作传输模式为所述第二AP参与的协作传输模式,所述目标协作传输信息为所述第二目标协作传输模式对应的协作传输信息。
- 根据权利要求46所述的方法,其特征在于,所述第二指示信息是通过位图方式指示的。
- 根据权利要求46所述的方法,其特征在于,所述第二指示信息包括多个比特,每个比特对应多种协作传输模式中的一种,所述每个比特的取值用于指示所述第二AP是否参与对应的协作传输模式。
- 根据权利要求46所述的方法,其特征在于,所述第二指示信息的不同取值用于指示所述第二AP参与的协作传输模式。
- 根据权利要求46-49中任一项所述的方法,其特征在于,所述目标协作传输信息包括以下信息中的至少之一:参与所述第二目标协作传输模式的STA列表,所述第二AP选择的RU或MRU,所述第二AP与参与所述第二目标协作传输模式的STA之间的CSI,所述第二AP与参与所述第二目标协作传输模式的STA之间的RSSI。
- 根据权利要求46-50中任一项所述的方法,其特征在于,在所述第二目标协作传输模式包括C-BF模式的情况下,所述第一响应帧包括C-BF模式对应的协作传输信息,所述C-BF模式对应的协作传输信息包括以下至少之一:参与C-BF模式的STA列表,所述第二AP与参与C-BF模式的关联STA之间的CSI,所述第二AP与参与C-BF模式的OBSS STA之间的CSI。
- 根据权利要求46-51中任一项所述的方法,其特征在于,在所述第二目标协作传输模式包括J-TX模式的情况下,所述第一响应帧包括J-TX模式对应的协作传输信息,所述J-TX模式对应的协作传输信息包括以下至少之一:参与J-TX模式的STA列表,所述第二AP与参与J-TX模式的关联STA之间的CSI,所述第二AP与参与J-TX模式的OBSS STA之间的CSI。
- 根据权利要求46-52中任一项所述的方法,其特征在于,在所述第二目标协作传输模式包括C-OFDMA模式的情况下,所述第一响应帧包括C-OFDMA模式对应的协作传输信息,所述C-OFDMA模式对应的协作传输信息包括:所述第二AP选择的RU或MRU。
- 根据权利要求46-53中任一项所述的方法,其特征在于,在所述第二目标协作传输模式包括C-SR模式的情况下,所述第一响应帧包括C-SR模式对应的协作传输信息,所述C-SR模式对应的协作传输信息包括以下至少之一:参与C-SR模式的STA列表,所述第二AP与参与C-RS模式的关联STA之间的RSSI,所述第二AP与参与C-RS模式的OBSS STA之间的RSSI。
- 根据权利要求46-54中任一项所述的方法,其特征在于,在所述第二目标协作传输模式包括C-UL MU-MIMO模式的情况下,所述第一响应帧包括C-UL MU-MIMO模式对应的协作传输信息。
- 根据权利要求46-55中任一项所述的方法,其特征在于,所述第一响应帧为控制帧。
- 根据权利要求56所述的方法,其特征在于,所述第一响应帧包括协作传输响应字段,所述第二指示信息和/或所述目标协作传输信息承载于所述协作传输响应字段。
- 根据权利要求57所述的方法,其特征在于,所述协作传输响应字段包括以下至少一个字段:接受的协作传输模式字段,用于指示所述第二AP参与的协作传输模式;参与的STA列表字段,用于指示参与所述第二目标协作传输模式的STA;C-BF信息字段,用于指示C-BF模式对应的协作传输信息;C-OFDMA信息字段,用于指示C-OFDMA模式对应的协作传输信息;C-SR信息字段,用于指示C-SR模式对应的协作传输信息;J-TX信息字段,用于指示J-TX模式对应的协作传输信息;C-UL MU-MIMO信息字段,用于指示C-UL MU-MIMO模式对应的协作传输信息。
- 根据权利要求58所述的方法,其特征在于,所述C-BF信息字段包括以下至少一个字段:参与的STA列表字段,用于指示参与C-BF模式的STA;至少一个CSI字段,用于指示所述第二AP与至少一个参与C-BF模式的STA之间的CSI。
- 根据权利要求58或59所述的方法,其特征在于,所述J-TX信息字段包括以下至少一个字段:参与的STA列表字段,用于指示参与J-TX模式的STA;至少一个CSI字段,用于指示所述第二AP与至少一个参与J-TX模式的STA之间的CSI。
- 根据权利要求56-58中任一项所述的方法,其特征在于,所述C-SR信息字段包括以下至少一个字段:参与的STA列表字段,用于指示参与C-SR模式的STA;至少一个RSSI字段,用于指示所述第二AP与至少一个参与C-SR模式的STA之间的RSSI。
- 根据权利要求58-61中任一项所述的方法,其特征在于,所述C-OFDMA信息字段包括:选择的RU/MRU字段,用于指示所述第二AP选择的RU/MRU。
- 根据权利要求46-55中任一项所述的方法,其特征在于,所述第一响应帧为服务质量QoS空帧,所述第二指示信息和/或所述目标协作传输信息承载于所述QoS空帧中聚合控制A-Control字段。
- 根据权利要求63所述的方法,其特征在于,所述A-Control字段包括控制信息字段,所述第二指示信息和/或所述目标协作传输信息承载于所述控制信息字段。
- 根据权利要求64所述的方法,其特征在于,所述控制信息字段包括以下中的至少一项:接受的协作传输模式字段,用于指示所述第二AP参与的协作传输模式;协作传输模式信息字段,用于指示所述目标协作传输信息。
- 根据权利要求65所述的方法,其特征在于,所述协作传输模式信息字段包括以下至少一个字段:参与的STA列表字段,用于指示参与所述第二目标协作传输模式的STA;至少一个CSI字段,用于指示所述第二AP与至少一个参与C-BF模式和/或J-TX模式的STA之间的CSI;至少一个RSSI字段,用于指示所述第二AP与至少一个参与C-SR模式的STA之间的RSSI;选择的RU/MRU字段,用于指示所述第二AP选择的RU/MRU。
- 根据权利要求65或66所述的方法,其特征在于,在所述第二目标协作传输模式包括C-BF模式的情况下,所述协作传输模式信息字段包括以下字段:参与的STA列表字段,用于指示参与C-BF模式的STA。
- 根据权利要求65-67中任一项所述的方法,其特征在于,在所述第二目标协作传输模式包括J-TX模式的情况下,所述协作传输模式信息字段包括以下至少一个字段:参与的STA列表字段,用于指示参与J-TX模式的STA。
- 根据权利要求65-68中任一项所述的方法,其特征在于,在所述第二目标协作传输模式包括C-SR模式的情况下,所述协作传输模式信息字段包括以下至少一个字段:关联STA的RSSI字段,用于指示所述第二AP与至少一个参与C-SR模式的关联STA之间的RSSI;OBSS STA的RSSI字段,用于指示所述第二AP与至少一个参与C-SR模式的OBSS STA之间的RSSI。
- 根据权利要求65-69中任一项所述的方法,其特征在于,在所述第二目标协作传输模式包括C-OFDMA模式的情况下,所述协作传输模式信息字段包括:选择的RU/MRU字段,用于指示所述第二AP选择的RU/MRU。
- 根据权利要求58或65所述的方法,其特征在于,所述接受的协作传输模式字段包括以下至少一个字段:接受C-BF字段,用于指示所述第二AP是否参与C-BF模式的多AP协作传输;接受C-OFDMA字段,用于指示所述第二AP是否参与C-OFDMA模式的多AP协作传输;接受C-SR字段,用于指示所述第二AP是否参与C-SR模式的多AP协作传输;接受J-TX字段,用于指示所述第二AP是否参与J-TX模式的多AP协作传输;接受C-UL MU MIMO字段,用于指示所述第二AP是否参与C-UL MU MIMO模式的多AP协作传输。
- 根据权利要求58或65所述的方法,其特征在于,所述接受的协作传输模式字段包括:接受的协作传输模式子字段,用于指示所述第二AP参与的协作传输模式。
- 根据权利要求1-72中任一项所述的方法,其特征在于,所述方法还包括:所述第一AP向至少一个第三AP发送第一通知帧,所述第一通知帧用于通知参与协作传输的AP所使用的协作传输参数。
- 根据权利要求73所述的方法,其特征在于,所述至少一个第二AP包括所述至少一个第三AP。
- 根据权利要求73或74所述的方法,其特征在于,所述第一通知帧包括第一通知信息,所述第一通知信息包括以下中的至少一项:第三指示信息,用于指示第三目标协作传输模式,所述第三目标协作传输模式为所述第一AP确定采用的协作传输模式;参与所述第三目标协作传输模式的AP列表;用于所述第三目标协作传输模式的协作传输参数。
- 根据权利要求75所述的方法,其特征在于,所述用于所述第三目标协作传输模式的协作传输参数包括以下中的至少之一:用于C-BF模式的协作传输参数;用于C-OFDMA模式的协作传输参数;用于C-SR模式的协作传输参数;用于J-TX模式的协作传输参数;用于C-UL-MU-MIMO的协作传输参数。
- 根据权利要求76所述的方法,其特征在于,所述用于C-BF模式的协作传输参数包括:参与C-BF模式的AP列表,用于参与C-BF模式的每个AP的传输矩阵。
- 根据权利要求76或77所述的方法,其特征在于,所述用于J-TX模式的协作传输参数包括以下至少之一:参与J-TX模式的AP列表,用于参与J-TX模式的每个AP的传输矩阵。
- 根据权利要求76-78中任一项所述的方法,其特征在于,所述用于C-OFDMA模式的协作传输参数包括:参与C-OFDMA模式的AP列表,用于参与C-OFDMA模式的每个AP的RU/MRU。
- 根据权利要求76-79中任一项所述的方法,其特征在于,所述用于C-SR模式的协作传输参数包括以下至少之一:参与C-SR模式的AP列表,用于参与C-SR模式的每个AP的发射功率。
- 根据权利要求76-80中任一项所述的方法,其特征在于,所述用于C-UL-MU-MIMO模式的协作传输参数包括以下至少之一:参与C-UL-MU-MIMO模式的AP列表,用于参与C-UL-MU-MIMO模式的每个AP的空间流SS分配信息。
- 根据权利要求75-81中任一项所述的方法,其特征在于,所述第一通知帧包括协作传输通知字段,所述第一通知信息承载于所述协作传输通知字段。
- 根据权利要求82所述的方法,其特征在于,所述协作传输通知字段包括以下至少一个字段:采用的协作传输模式字段,用于指示所述第三目标协作传输模式;AP列表字段,用于指示参与所述第三目标协作传输模式的AP;C-BF参数字段,用于指示C-BF模式对应的协作传输参数;C-OFDMA参数字段,用于指示C-OFDMA模式对应的协作传输参数;C-SR参数字段,用于指示C-SR模式对应的协作传输参数;J-TX参数字段,用于指示J-TX模式对应的协作传输参数;C-UL MU-MIMO参数字段,用于指示C-UL MU-MIMO模式对应的协作传输参数。
- 根据权利要求83所述的方法,其特征在于,所述采用的协作传输模式字段包括以下至少一个字段:采用C-BF字段,用于指示是否采用C-BF模式的多AP协作传输;采用C-OFDMA字段,用于指示是否采用C-OFDMA模式的多AP协作传输;采用C-SR字段,用于指示是否采用C-SR模式的多AP协作传输;采用J-TX字段,用于指示是否采用J-TX模式的多AP协作传输;采用C-UL MU MIMO字段,用于指示是否采用C-UL MU MIMO模式的多AP协作传输。
- 根据权利要求83所述的方法,其特征在于,所述采用的协作传输模式字段包括:采用的协作传输模式子字段,用于指示采用的协作传输模式。
- 根据权利要求83-85中任一项所述的方法,其特征在于,所述C-BF参数字段包括以下至少一个字段:AP列表字段,用于指示参与C-BF模式的至少一个AP;至少一个传输矩阵字段,与参与C-BF模式的至少一个AP对应,用于指示参与C-BF模式的AP所使用的传输矩阵。
- 根据权利要求83-86中任一项所述的方法,其特征在于,所述J-TX参数字段包括以下至少一个字段:AP列表字段,用于指示参与J-TX模式的至少一个AP;至少一个传输矩阵字段,与参与J-TX模式的至少一个AP对应,用于指示参与J-TX模式的AP所使用的传输矩阵。
- 根据权利要求83-87中任一项所述的方法,其特征在于,所述C-OFDMA参数字段包括以下至少一个字段:AP列表字段,用于指示参与C-OFDMA模式的至少一个AP;至少一个RU/MRU字段,与参与C-OFDMA模式的至少一个AP对应,用于指示参与C-OFDMA模式的AP所使用的RU或MRU。
- 根据权利要求83-88中任一项所述的方法,其特征在于,所述C-SR参数字段包括以下至少一个字段:AP列表字段,用于指示参与C-SR模式的至少一个AP;至少一个发射功率字段,与参与C-SR模式的至少一个AP对应,用于指示参与C-SR模式的AP所使用的发射功率。
- 根据权利要求83-89中任一项所述的方法,其特征在于,所述C-UL MU-MIMO参数字段包括以下至少一个字段:AP列表字段,用于指示参与C-UL MU-MIMO模式的至少一个AP;至少一个SS分配字段,与参与C-UL MU-MIMO模式的至少一个AP对应,用于指示参与C-UL MU-MIMO模式的AP所使用的SS分配信息。
- 根据权利要求75-90中任一项所述的方法,其特征在于,所述第一通知帧还用于触发AP执行采用所述第三目标协作传输模式的多AP协作传输。
- 一种无线通信的方法,其特征在于,包括:第二接入点AP接收第一AP发送的第一请求帧,所述第一请求帧包括第一指示信息和/或目标协作传输命令,其中,所述第一指示信息用于指示第一目标协作传输模式,所述第一目标协作传输模式为所述第一AP请求所述第二AP参与的协作传输模式,所述目标协作传输命令为所述第一目标协作传输模式对应的协作传输命令。
- 根据权利要求92所述的方法,其特征在于,所述第一指示信息是通过位图方式指示所述第一目标协作传输模式的。
- 根据权利要求93所述的方法,其特征在于,所述第一指示信息包括多个比特,每个比特对应多种协作传输模式中的一种,所述每个比特的取值用于指示所述第一AP是否请求所述第二AP参与对应的协作传输模式。
- 根据权利要求92所述的方法,其特征在于,所述第一指示信息的不同取值用于指示所述第一AP请求所述第二AP参与的协作传输模式。
- 根据权利要求92-95中任一项所述的方法,其特征在于,所述第一目标协作传输模式对应的协作传输命令包括以下信息中的至少之一:是否上报所述第二AP与关联站点STA之间的信道状态信息CSI的指示信息;是否上报第二AP与重叠基础服务集OBSS STA之间的CSI的指示信息;所述第一AP分享给所述第二AP的可用资源单元RU或多资源单元MRU;是否上报所述第二AP与关联STA之间的接收信号的强度指示RSSI的指示信息;是否上报所述第二AP与OBSS STA之间的RSSI的指示信息。
- 根据权利要求92-96中任一项所述的方法,其特征在于,在所述第一目标协作传输模式包括 协作波束赋形C-BF模式的情况下,所述第一请求帧包括C-BF模式对应的协作传输命令,所述C-BF模式对应的协作传输命令包括以下信息中的至少之一:是否上报所述第二AP与关联STA之间的CSI的指示信息;是否上报第二AP与OBSS STA之间的CSI的指示信息。
- 根据权利要求92-97中任一项所述的方法,其特征在于,在所述第一目标协作传输模式包括联合传输J-TX模式的情况下,所述第一请求帧包括J-TX模式对应的协作传输命令,所述J-TX模式对应的协作传输命令包括以下信息中的至少之一:是否上报所述第二AP与关联STA之间的CSI的指示信息;是否上报第二AP与OBSS STA之间的CSI的指示信息。
- 根据权利要求92-98中任一项所述的方法,其特征在于,在所述第一目标协作传输模式包括协作正交频分多址接入C-OFDMA模式的情况下,所述第一请求帧包括C-OFDMA模式对应的协作传输命令,所述C-OFDMA模式对应的协作传输命令包括:所述第一AP分享给所述第二AP的可用RU或MRU。
- 根据权利要求92-99中任一项所述的方法,其特征在于,在所述第一目标协作传输模式包括协作空间复用C-SR模式的情况下,所述第一请求帧包括C-SR模式对应的协作传输命令,所述C-SR模式对应的协作传输命令包括以下信息中的至少之一:是否上报所述第二AP与关联STA之间的RSSI的指示信息;是否上报所述第二AP与OBSS STA之间的RSSI的指示信息。
- 根据权利要求92-100中任一项所述的方法,其特征在于,在所述第一目标协作传输模式包括协作上行多用户多输入多输出C-UL MU-MIMO模式的情况下,所述第一请求帧包括C-UL MU-MIMO模式对应的协作传输命令。
- 根据权利要求92-101中任一项所述的方法,其特征在于,所述第一请求帧为控制帧。
- 根据权利要求102所述的方法,其特征在于,所述第一请求帧包括协作传输请求字段,所述第一指示信息和/或所述目标协作传输命令承载于所述协作传输请求字段。
- 根据权利要求103所述的方法,其特征在于,所述协作传输请求字段包括以下至少一个字段:使用的协作传输模式字段,用于指示所述第一AP请求所述第二AP参与的协作传输模式;C-BF命令字段,用于指示C-BF模式对应的协作传输命令;C-OFDMA命令字段,用于指示C-OFDMA模式对应的协作传输命令;C-SR命令字段,用于指示C-SR模式对应的协作传输命令;J-TX命令字段,用于指示J-TX模式对应的协作传输命令;C-BF命令字段,用于指示C-BF模式对应的协作传输命令;C-UL MU-MIMO命令字段,用于指示C-UL MU-MIMO模式对应的协作传输命令。
- 根据权利要求104所述的方法,其特征在于,所述C-BF命令字段包括以下至少一个字段:上报关联STA的CSI字段,用于指示是否上报所述第二AP与关联STA之间的CSI;上报OBSS STA的CSI字段,用于指示是否上报所述第二AP与OBSS STA之间的CSI。
- 根据权利要求104或105所述的方法,其特征在于,所述C-OFDMA命令字段包括:可用RU/MRU字段,用于指示所述第一AP分享给所述第二AP的RU或MRU。
- 根据权利要求104-106中任一项所述的方法,其特征在于,所述C-SR命令字段包括以下至少一个字段:上报关联STA的RSSI字段,用于指示是否上报所述第二AP与关联STA之间的RSSI;上报OBSS STA的RSSI字段,用于指示是否上报所述第二AP与OBSS STA之间的RSSI。
- 根据权利要求104-107中任一项所述的方法,其特征在于,所述J-TX命令字段包括以下至少一个字段:上报关联STA的CSI字段,用于指示是否上报所述第二AP与关联STA之间的CSI;上报OBSS STA的CSI字段,用于指示是否上报所述第二AP与OBSS STA之间的CSI。
- 根据权利要求92-101中任一项所述的方法,其特征在于,所述第一请求帧为触发帧。
- 根据权利要求109所述的方法,其特征在于,所述第一指示信息承载在所述第一请求帧中的通用信息字段或用户信息字段;和/或所述目标协作传输命令承载在所述第一请求帧中的通用信息字段或用户信息字段。
- 根据权利要求109或110所述的方法,其特征在于,所述第一请求帧包括触发帧类型字段,所述触发帧类型的取值为第一值,用于指示所述第一请求帧用于请求所述第二AP参与所述第一目标 协作传输模式的多AP协作传输,所述第一值为所述触发帧类型字段的预留值。
- 根据权利要求109-111中任一项所述的方法,其特征在于,所述第一请求帧包括触发帧类型的通用信息字段,所述第一指示信息和所述目标协作传输命令承载在所述触发帧类型的通用信息字段。
- 根据权利要求112所述的方法,其特征在于,所述触发帧类型的通用信息字段包括以下至少一个字段:使用的协作传输模式字段,用于指示所述第一目标协作传输模式;相关协作传输模式命令字段,用于指示所述第一目标协作传输模式对应的协作传输命令。
- 根据权利要求109-111中任一项所述的方法,其特征在于,所述第一请求帧包括触发帧类型的通用信息字段和特殊用户信息字段,所述第一指示信息承载在所述触发帧类型的通用信息字段,所述目标协作传输命令承载在特殊用户信息字段。
- 根据权利要求114所述的方法,其特征在于,所述触发帧类型的通用信息字段包括:使用的协作传输模式字段,用于指示所述第一目标协作传输模式。
- 根据权利要求114或115所述的方法,其特征在于,所述特殊用户信息字段包括触发帧类型的用户信息字段,所述目标协作传输命令承载在触发帧类型的用户信息字段。
- 根据权利要求116所述的方法,其特征在于,所述触发帧类型的用户信息字段包括以下至少一个字段:上报关联STA的CSI字段,用于指示是否上报所述第二AP与关联STA之间的CSI;上报OBSS STA的CSI字段,用于指示是否上报所述第二AP与OBSS STA之间的CSI;可用RU/MRU字段,用于指示所述第一AP分享给所述第二AP的RU或MRU;上报关联STA的RSSI字段,用于指示是否上报所述第二AP与关联STA之间的RSSI;上报OBSS STA的RSSI字段,用于指示是否上报所述第二AP与OBSS STA之间的RSSI。
- 根据权利要求116或117所述的方法,其特征在于,在所述第一目标协作传输模式包括C-BF模式和/或J-TX模式的情况下,所述触发帧类型的用户信息字段包括以下至少一个字段:上报关联STA的CSI字段,用于指示是否上报所述第二AP与关联STA之间的CSI;上报OBSS STA的CSI字段,用于指示是否上报所述第二AP与OBSS STA之间的CSI。
- 根据权利要求116-118中任一项所述的方法,其特征在于,在所述第一目标协作传输模式包括C-OFDMA模式的情况下,所述触发帧类型的用户信息字段包括:可用RU/MRU字段,用于指示所述第一AP分享给所述第二AP的RU或MRU。
- 根据权利要求116-119中任一项所述的方法,其特征在于,在所述第一目标协作传输模式包括C-SR模式的情况下,所述触发帧类型的用户信息字段包括以下至少一个字段:上报关联STA的RSSI字段,用于指示是否上报所述第二AP与关联STA之间的RSSI;上报OBSS STA的RSSI字段,用于指示是否上报所述第二AP与OBSS STA之间的RSSI。
- 根据权利要求114-120中任一项所述的方法,其特征在于,所述特殊用户信息字段包括关联标识符AID12字段,所述AID12字段的取值为第二值,用于指示所述第一请求帧用于请求所述第二AP参与第一目标协作传输模式的多AP协作传输,所述第二值为所述AID12字段的预留值。
- 根据权利要求109-110中任一项所述的方法,其特征在于,所述第一请求帧包括触发帧类型的通用信息字段和多AP用户信息字段,所述第一指示信息承载在所述触发帧类型的通用信息字段,所述目标协作传输命令承载在所述多AP用户信息字段。
- 根据权利要求122所述的方法,其特征在于,所述触发帧类型的通用信息字段包括:使用的协作传输模式字段,用于指示所述第一目标协作传输模式。
- 根据权利要求122或123所述的方法,其特征在于,所述多AP用户信息字段包括AID12字段,所述AID12字段的取值为第三值,用于指示所述第一请求帧用于请求所述第二AP参与第一目标协作传输模式的多AP协作传输,所述第三值为所述AID12字段的预留值。
- 根据权利要求122-124中任一项所述的方法,其特征在于,所述多AP用户信息字段包括以下至少一个字段:上报关联STA的CSI字段,用于指示是否上报所述第二AP与关联STA之间的CSI;上报OBSS STA的CSI字段,用于指示是否上报所述第二AP与OBSS STA之间的CSI;可用RU/MRU字段,用于指示所述第一AP分享给所述第二AP的RU或MRU;上报关联STA的RSSI字段,用于指示是否上报所述第二AP与关联STA之间的RSSI;上报OBSS STA的RSSI字段,用于指示是否上报所述第二AP与OBSS STA之间的RSSI。
- 根据权利要求109-110中任一项所述的方法,其特征在于,所述第一请求帧包括触发帧类 型的用户信息字段,所述第一指示信息和所述目标协作传输命令承载在所述触发帧类型的用户信息字段。
- 根据权利要求126所述的方法,其特征在于,所述触发帧类型的用户信息字段包括以下至少一个字段:使用的协作传输模式字段,用于指示所述第一目标协作传输模式;相关协作传输模式命令字段,用于指示所述第一目标协作传输模式对应的协作传输命令。
- 根据权利要求113或127所述的方法,其特征在于,所述相关协作传输模式命令字段包括以下至少一个字段:上报关联STA的CSI字段,用于指示是否上报所述第二AP与关联STA之间的CSI;上报OBSS STA的CSI字段,用于指示是否上报所述第二AP与OBSS STA之间的CSI;可用RU/MRU字段,用于指示所述第一AP分享给所述至少一个第二AP的RU或MRU;上报关联STA的RSSI字段,用于指示是否上报所述第二AP与关联STA之间的RSSI;上报OBSS STA的RSSI字段,用于指示是否上报所述第二AP与OBSS STA之间的RSSI。
- 根据权利要求128所述的方法,其特征在于,在所述第一目标协作传输模式包括C-BF模式和/或J-TX模式的情况下,所述相关协作传输模式命令字段包括以下至少一个字段:上报关联STA的CSI字段,用于指示是否上报所述第二AP与关联STA之间的CSI;上报OBSS STA的CSI字段,用于指示是否上报所述第二AP与OBSS STA之间的CSI。
- 根据权利要求128或129所述的方法,其特征在于,在所述第一目标协作传输模式包括C-OFDMA模式的情况下,所述相关协作传输模式命令字段包括:可用RU/MRU字段,用于指示所述第一AP分享给所述至少一个第二AP的RU或MRU。
- 根据权利要求128-130中任一项所述的方法,其特征在于,在所述第一目标协作传输模式包括C-SR模式的情况下,所述相关协作传输模式命令字段包括以下至少一个字段:上报关联STA的RSSI字段,用于指示是否上报所述第二AP与关联STA之间的RSSI;上报OBSS STA的RSSI字段,用于指示是否上报所述第二AP与OBSS STA之间的RSSI。
- 根据权利要求104、113、115、123或127所述的方法,其特征在于,所述使用的协作传输模式字段包括以下至少一个字段:使用C-BF字段,用于指示是否请求使用C-BF模式的多AP协作传输;使用C-OFDMA字段,用于指示是否请求使用C-OFDMA模式的多AP协作传输;使用C-SR字段,用于指示是否请求使用C-SR模式的多AP协作传输;使用J-TX字段,用于指示是否请求使用J-TX模式的多AP协作传输;使用C-UL MU MIMO字段,用于指示是否请求使用C-UL MU MIMO模式的多AP协作传输。
- 根据权利要求104、113、115、123或127所述的方法,其特征在于,所述使用的协作传输模式字段包括:使用的协作传输模式子字段,用于指示所述第一AP请求所述第二AP参与的协作传输模式。
- 根据权利要求92-133中任一项所述的方法,其特征在于,所述方法还包括:所述第二AP向第一AP发送第一响应帧,所述第一响应帧用于指示所述第二AP是否参与所述第一目标协作传输模式的多AP协作传输。
- 根据权利要求134所述的方法,其特征在于,所述第一响应帧包括第二指示信息和/或目标协作传输信息,所述第二指示信息用于指示第二目标协作传输模式,所述第二目标协作传输模式为所述第二AP参与的协作传输模式,所述目标协作传输信息为所述第二目标协作传输模式对应的协作传输信息。
- 根据权利要求135所述的方法,其特征在于,所述第二指示信息是通过位图方式指示的。
- 根据权利要求136所述的方法,其特征在于,所述第二指示信息包括多个比特,每个比特对应多种协作传输模式中的一种,所述每个比特的取值用于指示所述第二AP是否参与对应的协作传输模式。
- 根据权利要求135所述的方法,其特征在于,所述第二指示信息的不同取值用于指示所述第二AP参与的协作传输模式。
- 根据权利要求135-138中任一项所述的方法,其特征在于,所述目标协作传输信息包括以下信息中的至少之一:参与所述第二目标协作传输模式的STA列表,所述第二AP选择的RU或MRU,所述第二AP与参与所述第二目标协作传输模式的STA之间的CSI,所述第二AP与参与所述第二目标协作传输模式的STA之间的RSSI。
- 根据权利要求135-139中任一项所述的方法,其特征在于,在所述第二目标协作传输模式包括C-BF模式的情况下,所述第一响应帧包括C-BF模式对应的协作传输信息,所述C-BF模式对应的协作传输信息包括以下至少之一:参与C-BF模式的STA列表,所述第二AP与参与C-BF模式的关联STA之间的CSI,所述第二AP与参与C-BF模式的OBSS STA之间的CSI。
- 根据权利要求135-140中任一项所述的方法,其特征在于,在所述第二目标协作传输模式包括J-TX模式的情况下,所述第一响应帧包括J-TX模式对应的协作传输信息,所述J-TX模式对应的协作传输信息包括以下至少之一:参与J-TX模式的STA列表,所述第二AP与参与J-TX模式的关联STA之间的CSI,所述第二AP与参与J-TX模式的OBSS STA之间的CSI。
- 根据权利要求135-141中任一项所述的方法,其特征在于,在所述第二目标协作传输模式包括C-OFDMA模式的情况下,所述第一响应帧包括C-OFDMA模式对应的协作传输信息,所述C-OFDMA模式对应的协作传输信息包括:所述第二AP选择的RU或MRU。
- 根据权利要求135-142中任一项所述的方法,其特征在于,在所述第二目标协作传输模式包括C-SR模式的情况下,所述第一响应帧包括C-SR模式对应的协作传输信息,所述C-SR模式对应的协作传输信息包括以下至少之一:参与C-SR模式的STA列表,所述第二AP与参与C-RS模式的关联STA之间的RSSI,所述第二AP与参与C-RS模式的OBSS STA之间的RSSI。
- 根据权利要求135-143中任一项所述的方法,其特征在于,在所述第二目标协作传输模式包括C-UL MU-MIMO模式的情况下,所述第一响应帧包括C-UL MU-MIMO模式对应的协作传输信息。
- 根据权利要求135-144中任一项所述的方法,其特征在于,所述第一响应帧为控制帧。
- 根据权利要求145所述的方法,其特征在于,所述第一响应帧包括协作传输响应字段,所述第二指示信息和/或所述目标协作传输信息承载于所述协作传输响应字段。
- 根据权利要求146所述的方法,其特征在于,所述协作传输响应字段包括以下至少一个字段:接受的协作传输模式字段,用于指示所述第二AP参与的协作传输模式;参与的STA列表字段,用于指示参与所述第二目标协作传输模式的STA;C-BF信息字段,用于指示C-BF模式对应的协作传输信息;C-OFDMA信息字段,用于指示C-OFDMA模式对应的协作传输信息;C-SR信息字段,用于指示C-SR模式对应的协作传输信息;J-TX信息字段,用于指示J-TX模式对应的协作传输信息;C-UL MU-MIMO信息字段,用于指示C-UL MU-MIMO模式对应的协作传输信息。
- 根据权利要求147所述的方法,其特征在于,所述C-BF信息字段包括以下至少一个字段:参与的STA列表字段,用于指示参与C-BF模式的STA;至少一个CSI字段,用于指示所述第二AP与至少一个参与C-BF模式的STA之间的CSI。
- 根据权利要求147或148所述的方法,其特征在于,所述J-TX信息字段包括以下至少一个字段:参与的STA列表字段,用于指示参与J-TX模式的STA;至少一个CSI字段,用于指示所述第二AP与至少一个参与J-TX模式的STA之间的CSI。
- 根据权利要求147-149中任一项所述的方法,其特征在于,所述C-SR信息字段包括以下至少一个字段:参与的STA列表字段,用于指示参与C-SR模式的STA;至少一个RSSI字段,用于指示所述第二AP与至少一个参与C-SR模式的STA之间的RSSI。
- 根据权利要求147-150中任一项所述的方法,其特征在于,所述C-OFDMA信息字段包括:选择的RU/MRU字段,用于指示所述第二AP选择的RU/MRU。
- 根据权利要求135-144中任一项所述的方法,其特征在于,所述第一响应帧为服务质量QoS空帧,所述第二指示信息和/或所述目标协作传输信息承载于所述QoS空帧中聚合控制A-Control字段。
- 根据权利要求152所述的方法,其特征在于,所述A-Control字段包括控制信息字段,所述第二指示信息和/或所述目标协作传输信息承载于所述控制信息字段。
- 根据权利要求153所述的方法,其特征在于,所述控制信息字段包括以下中的至少一项:接受的协作传输模式字段,用于指示所述第二AP参与的协作传输模式;协作传输模式信息字段,用于指示所述目标协作传输信息。
- 根据权利要求154所述的方法,其特征在于,所述协作传输模式信息字段包括以下至少一个字段:参与的STA列表字段,用于指示参与所述第二目标协作传输模式的STA;至少一个CSI字段,用于指示所述第二AP与至少一个参与C-BF模式和/或J-TX模式的STA之间的CSI;至少一个RSSI字段,用于指示所述第二AP与至少一个参与C-SR模式的STA之间的RSSI;选择的RU/MRU字段,用于指示所述第二AP选择的RU/MRU。
- 根据权利要求154或155所述的方法,其特征在于,在所述第二目标协作传输模式包括C-BF模式的情况下,所述协作传输模式信息字段包括以下字段:参与的STA列表字段,用于指示参与C-BF模式的STA。
- 根据权利要求154-156中任一项所述的方法,其特征在于,在所述第二目标协作传输模式包括J-TX模式的情况下,所述协作传输模式信息字段包括:参与的STA列表字段,用于指示参与J-TX模式的STA。
- 根据权利要求154-157中任一项所述的方法,其特征在于,在所述第二目标协作传输模式包括C-SR模式的情况下,所述协作传输模式信息字段包括以下至少一个字段:关联STA的RSSI字段,用于指示所述第二AP与至少一个参与C-SR模式的关联STA之间的RSSI;OBSS STA的RSSI字段,用于指示所述第二AP与至少一个参与C-SR模式的OBSS STA之间的RSSI。
- 根据权利要求154-158中任一项所述的方法,其特征在于,在所述第二目标协作传输模式包括C-OFDMA模式的情况下,所述协作传输模式信息字段包括:选择的RU/MRU字段,用于指示所述第二AP选择的RU/MRU。
- 根据权利要求147或154所述的方法,其特征在于,所述接受的协作传输模式字段包括以下至少一个字段:接受C-BF字段,用于指示所述第二AP是否参与C-BF模式的多AP协作传输;接受C-OFDMA字段,用于指示所述第二AP是否参与C-OFDMA模式的多AP协作传输;接受C-SR字段,用于指示所述第二AP是否参与C-SR模式的多AP协作传输;接受J-TX字段,用于指示所述第二AP是否参与J-TX模式的多AP协作传输;接受C-UL MU MIMO字段,用于指示所述第二AP是否参与C-UL MU MIMO模式的多AP协作传输。
- 根据权利要求147或154所述的方法,其特征在于,所述接受的协作传输模式字段包括:接受的协作传输模式子字段,用于指示所述第二AP参与的协作传输模式。
- 根据权利要求92-161中任一项所述的方法,其特征在于,所述方法还包括:所述第二AP接收所述第一AP发送的第一通知帧,所述第一通知帧用于通知参与协作传输的AP所使用的协作传输参数。
- 根据权利要求162所述的方法,其特征在于,所述第一通知帧包括第一通知信息,所述第一通知信息包括以下中的至少一项:第三指示信息,用于指示第三目标协作传输模式,所述第三目标协作传输模式为所述第一AP确定采用的协作传输模式;参与所述第三目标协作传输模式的AP列表;用于所述第三目标协作传输模式的协作传输参数。
- 根据权利要求163所述的方法,其特征在于,所述用于所述第三目标协作传输模式的协作传输参数包括以下中的至少之一:用于C-BF模式的协作传输参数;用于C-OFDMA模式的协作传输参数;用于C-SR模式的协作传输参数;用于J-TX模式的协作传输参数;用于C-UL-MU-MIMO的协作传输参数。
- 根据权利要求164所述的方法,其特征在于,所述用于C-BF模式的协作传输参数包括:参与C-BF模式的AP列表,用于参与C-BF模式的每个AP的传输矩阵。
- 根据权利要求164或165所述的方法,其特征在于,所述用于J-TX模式的协作传输参数包括以下至少之一:参与J-TX模式的AP列表,用于参与J-TX模式的每个AP的传输矩阵。
- 根据权利要求164-166中任一项所述的方法,其特征在于,所述用于C-OFDMA模式的协作传输参数包括:参与C-OFDMA模式的AP列表,用于参与C-OFDMA模式的每个AP的RU/MRU。
- 根据权利要求164-167中任一项所述的方法,其特征在于,所述用于C-SR模式的协作传输参数包括以下至少之一:参与C-SR模式的AP列表,用于参与C-SR模式的每个AP的发射功率。
- 根据权利要求164-168中任一项所述的方法,其特征在于,所述用于C-UL-MU-MIMO模式的协作传输参数包括以下至少之一:参与C-UL-MU-MIMO模式的AP列表,用于参与C-UL-MU-MIMO模式的每个AP的空间流SS分配信息。
- 根据权利要求163-169中任一项所述的方法,其特征在于,所述第一通知帧包括协作传输通知字段,所述第一通知信息承载于所述协作传输通知字段。
- 根据权利要求170所述的方法,其特征在于,所述协作传输通知字段包括以下至少一个字段:采用的协作传输模式字段,用于指示所述第三目标协作传输模式;AP列表字段,用于指示参与所述第三目标协作传输模式的AP;C-BF参数字段,用于指示C-BF模式对应的协作传输参数;C-OFDMA参数字段,用于指示C-OFDMA模式对应的协作传输参数;C-SR参数字段,用于指示C-SR模式对应的协作传输参数;J-TX参数字段,用于指示J-TX模式对应的协作传输参数;C-UL MU-MIMO参数字段,用于指示C-UL MU-MIMO模式对应的协作传输参数。
- 根据权利要求171所述的方法,其特征在于,所述采用的协作传输模式字段包括以下至少一个字段:采用C-BF字段,用于指示是否采用C-BF模式的多AP协作传输;采用C-OFDMA字段,用于指示是否采用C-OFDMA模式的多AP协作传输;采用C-SR字段,用于指示是否采用C-SR模式的多AP协作传输;采用J-TX字段,用于指示是否采用J-TX模式的多AP协作传输;采用C-UL MU MIMO字段,用于指示是否采用C-UL MU MIMO模式的多AP协作传输。
- 根据权利要求171所述的方法,其特征在于,所述采用的协作传输模式字段包括:采用的协作传输模式子字段,用于指示采用的协作传输模式。
- 根据权利要求171-173中任一项所述的方法,其特征在于,所述C-BF参数字段包括以下至少一个字段:AP列表字段,用于指示参与C-BF模式的至少一个AP;至少一个传输矩阵字段,与参与C-BF模式的至少一个AP对应,用于指示参与C-BF模式的AP所使用的传输矩阵。
- 根据权利要求171-174中任一项所述的方法,其特征在于,所述J-TX参数字段包括以下至少一个字段:AP列表字段,用于指示参与J-TX模式的至少一个AP;至少一个传输矩阵字段,与参与J-TX模式的至少一个AP对应,用于指示参与J-TX模式的AP所使用的传输矩阵。
- 根据权利要求171-175中任一项所述的方法,其特征在于,所述C-OFDMA参数字段包括以下至少一个字段:AP列表字段,用于指示参与C-OFDMA模式的至少一个AP;至少一个RU/MRU字段,与参与C-OFDMA模式的至少一个AP对应,用于指示参与C-OFDMA模式的AP所使用的RU或MRU。
- 根据权利要求171-176中任一项所述的方法,其特征在于,所述C-SR参数字段包括以下至少一个字段:AP列表字段,用于指示参与C-SR模式的至少一个AP;至少一个发射功率字段,与参与C-SR模式的至少一个AP对应,用于指示参与C-SR模式的AP所使用的发射功率。
- 根据权利要求171-177中任一项所述的方法,其特征在于,所述C-UL MU-MIMO参数字段包括以下至少一个字段:AP列表字段,用于指示参与C-UL MU-MIMO模式的至少一个AP;至少一个SS分配字段,与参与C-UL MU-MIMO模式的至少一个AP对应,用于指示参与C-ULMU-MIMO模式的AP所使用的SS分配信息。
- 根据权利要求163-178中任一项所述的方法,其特征在于,所述第一通知帧还用于触发AP执行采用所述第三目标协作传输模式的多AP协作传输。
- 一种第一接入点AP,其特征在于,包括:通信单元,用于向至少一个第二AP发送第一请求帧,所述第一请求帧包括第一指示信息和/或目标协作传输命令,其中,所述第一指示信息用于指示第一目标协作传输模式,所述第一目标协作传输模式为所述第一AP请求所述至少一个第二AP参与的协作传输模式,所述目标协作传输命令为所述第一目标协作传输模式对应的协作传输命令。
- 一种第二接入点AP,其特征在于,包括:通信单元,用于接收第一AP发送的第一请求帧,所述第一请求帧包括第一指示信息和/或目标协作传输命令,其中,所述第一指示信息用于指示第一目标协作传输模式,所述第一目标协作传输模式为所述第一AP请求所述第二AP参与的协作传输模式,所述目标协作传输命令为所述第一目标协作传输模式对应的协作传输命令。
- 一种接入点,其特征在于,包括:处理器和存储器,该存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求1至91中任一项所述的方法,或者,如权利要求92至179中任一项所述的方法。
- 一种芯片,其特征在于,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求1至91中任一项所述的方法,或者,如权利要求92至179中任一项所述的方法。
- 一种计算机可读存储介质,其特征在于,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求1至91中任一项所述的方法,或者,如权利要求92至179中任一项所述的方法。
- 一种计算机程序产品,其特征在于,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求1至91中任一项所述的方法,或者,如权利要求92至179中任一项所述的方法。
- 一种计算机程序,其特征在于,所述计算机程序使得计算机执行如权利要求1至91中任一项所述的方法,或者,如权利要求92至179中任一项所述的方法。
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| CN109673028A (zh) * | 2017-10-17 | 2019-04-23 | 华为技术有限公司 | 一种多小区协作方法、接入点及站点 |
| CN113747485A (zh) * | 2020-05-30 | 2021-12-03 | 华为技术有限公司 | 多ap协作传输的信道探测方法及相关装置 |
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| CN120050782A (zh) * | 2025-01-06 | 2025-05-27 | 北京邮电大学 | 基于多无线接入设备的协同传输方法、装置、设备及介质 |
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| EP4521810A4 (en) | 2026-03-04 |
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| EP4521810A1 (en) | 2025-03-12 |
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