WO2025200965A1 - Procédé et appareil de communication - Google Patents

Procédé et appareil de communication

Info

Publication number
WO2025200965A1
WO2025200965A1 PCT/CN2025/080552 CN2025080552W WO2025200965A1 WO 2025200965 A1 WO2025200965 A1 WO 2025200965A1 CN 2025080552 W CN2025080552 W CN 2025080552W WO 2025200965 A1 WO2025200965 A1 WO 2025200965A1
Authority
WO
WIPO (PCT)
Prior art keywords
power
data
type
communication device
superframe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2025/080552
Other languages
English (en)
Chinese (zh)
Inventor
唐云帅
岳华伟
孙德福
黄博
王蓉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of WO2025200965A1 publication Critical patent/WO2025200965A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/25—Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink

Definitions

  • the management node (grant node, G node) can send downlink signals to the terminal node (terminal node, T node), and the T node can send uplink signals to the G node to realize communication between the G node and the T node.
  • the G node sends a downlink signal to the T node
  • the transmission power corresponding to all downlink signals is the same, which will affect the communication performance of the communication system.
  • the present application provides a communication method and apparatus that can achieve targeted design of power control and coverage of low-order data channels and high-order data channels, thereby improving the communication performance of the communication system.
  • an embodiment of the present application provides a communication method, which can be executed by a management node.
  • the "management node” in this application can refer to the management node itself, or a component in the management node (such as a processor, chip, or chip system, etc.), or a logic module or software that can implement all or part of the management node function.
  • the method includes: sending first data to a terminal node at a first transmission power in a first time period of a first superframe; and sending second data to the terminal node at a second transmission power in a second time period of the first superframe.
  • the modulation order of the first data is greater than the modulation order of the second data; and the first transmission power is different from the second transmission power.
  • the management node can use different transmission powers to send data of different modulation orders in different time periods of the same superframe.
  • Low-order data and high-order data can be scheduled simultaneously through a single superframe.
  • targeted design of power control and coverage range of low-order data channels and high-order data channels is realized, instead of using a unified transmission power to send all downlink signals, which can improve the coverage performance and anti-interference performance of the communication system.
  • the end time of the first time period is earlier than or equal to the start time of the second time period.
  • the first transmit power is less than the second transmit power.
  • the management node can use a second transmit power higher than the first transmit power of the first data when sending the second data.
  • the coverage of the low-order data channel is no longer limited by the transmit power of the high-order data channel.
  • the coverage of the low-order data channel can be enhanced.
  • the management node sends first indication information to the terminal node; the terminal node can adjust the AGC gear according to the first indication information to improve the receiving sensitivity and improve the communication performance.
  • the first receiving power is less than the second receiving power.
  • a first indication message is received from a management node; wherein the first indication message is used to indicate a power offset, the value of the power offset is a non-negative number, and the power offset is the difference between the transmission power of the common channel and the possible maximum transmission power value of the data channel within a preset time; according to the first indication message, the automatic gain control AGC gear is adjusted.
  • common channel information is received from the management node via the second receiving power; wherein the end time of the third time period is earlier than the start time of the first time period.
  • the first received power is greater than the second received power.
  • a second indication message is received from the management node; wherein the second indication message is used to indicate a power offset, the power offset is a negative number, and the power offset is the difference between the transmission power of the common channel and the possible maximum transmission power value of the data channel within a preset time; according to the second indication message, the automatic gain control AGC gear is adjusted.
  • common channel information from the management node is received through the second receiving power; or, during the third time period of the first superframe, common channel information from the management node is received through the third receiving power; wherein, the end time of the third time period is earlier than the start time of the first time period; the third receiving power is less than the first receiving power, and the third receiving power is less than the second receiving power.
  • the PSRS from the management node is received through a fourth receiving power; wherein the end time of the fourth time period is earlier than or equal to the start time of the first time period; and the fourth receiving power is the maximum value of the receiving power of the data channel in the superframe where the PSRS is located.
  • the AGC gear is adjusted according to the PSRS.
  • the management node can use different transmission powers to send data of different modulation orders in different superframes, realizing targeted design of power control and coverage range of low-order data channels and high-order data channels, instead of using a unified transmission power to send all downlink signals, which can improve the coverage performance and anti-interference performance of the communication system.
  • the first transmit power is less than the second transmit power.
  • a first indication message is sent to the terminal node; wherein the first indication message is used to indicate a power offset, the value of the power offset is a non-negative number, and the power offset is the difference between the transmission power of the common channel and the possible maximum transmission power value of the data channel within a preset time.
  • the management node sends first indication information to the terminal node, which enables the terminal node to adjust the AGC gear according to the first indication information to improve receiving sensitivity and communication performance.
  • common channel information is sent using the second transmission power; and/or, in the third superframe, before sending the third data, common channel information is sent using the second transmission power.
  • the management node can use the same second transmit power as the second data when sending common channel information, ensuring that the common channel matches the capabilities of low-order data channels. Furthermore, the coverage of the common channel is no longer limited by the transmit power of the high-order data channel. By increasing the transmit power of the common channel, the coverage of the common channel can be enhanced.
  • the first transmission power is greater than the second transmission power.
  • the management node when it sends the second data, it can use a second transmission power that is lower than the first transmission power of the first data.
  • the transmission power of the low-order data channel By reducing the transmission power of the low-order data channel, the coverage of the low-order data channel can be reduced, and the interference between cells can be reduced.
  • the second possible design does not need to reduce the transmission power of the high-order data channel, thereby ensuring high throughput, avoiding the coverage of the high-order data channel becoming smaller or even unable to provide communication services after uniformly reducing the transmission power, and improving communication performance.
  • a second indication message is sent to the terminal node; wherein the second indication message is used to indicate a power offset, the power offset is a negative number, and the power offset is the difference between the transmission power of the common channel and the possible maximum transmission power value of the data channel within a preset time.
  • the management node sends a second indication message to the terminal node, which enables the terminal node to adjust the AGC gear according to the second indication message to avoid signal distortion caused by excessive power entering a saturated state and improving signal quality.
  • common channel information before sending the first data in the second superframe, common channel information is sent through the second transmission power; or, before sending the first data in the second superframe, common channel information is sent through the third transmission power; wherein the third transmission power is less than the first transmission power, and the third transmission power is less than the second transmission power.
  • common channel information is sent through the second transmission power; or, within the third superframe, before sending the second data, common channel information is sent through the third transmission power; wherein the third transmission power is less than the first transmission power, and the third transmission power is less than the second transmission power.
  • the management node when it sends common channel information, it can use the same second transmit power as the second data, so that the common channel matches the capabilities of the low-order data channel.
  • a third transmit power that is less than the second transmit power can be used.
  • the coverage range of the common channel can be reduced, reducing inter-cell interference.
  • it can also prevent T nodes in cells of other G nodes from frequently attempting to access the current cell.
  • the management node can send PSRS before sending the first data or the second data, and can perform power switching when sending PSRS, that is, the sending time of PSRS can be understood as the power adjustment time, or as the power change transition time, thereby avoiding the interference of the transmission power jump on the first data or the second data.
  • an embodiment of the present application provides a communication method that can be executed by a terminal node.
  • the "terminal node” in this application can refer to the terminal node itself, or a component in the terminal node (such as a processor, chip, or chip system, etc.), or a logic module or software that can implement all or part of the terminal node functions.
  • the method includes: receiving first data from a management node at a first receiving power within a second superframe; receiving second data from the management node at a second receiving power within a third superframe; wherein the modulation order of the first data is greater than the modulation order of the second data; and the first receiving power is different from the second receiving power.
  • the first receiving power is less than the second receiving power.
  • a first indication message is received from a management node; wherein the first indication message is used to indicate a power offset, the value of the power offset is a non-negative number, and the power offset is the difference between the transmission power of the common channel and the possible maximum transmission power value of the data channel within a preset time; according to the first indication message, the automatic gain control AGC gear is adjusted.
  • common channel information from the management node is received using the second receiving power; and/or, within the third superframe, common channel information from the management node is received using the second receiving power.
  • the first received power is greater than the second received power.
  • a second indication message is received from the management node; wherein the second indication message is used to indicate a power offset, the power offset is a negative number, and the power offset is the difference between the transmission power of the common channel and the possible maximum transmission power value of the data channel within a preset time; according to the second indication message, the automatic gain control AGC gear is adjusted.
  • common channel information from the management node is received through the second receiving power; or, within the third superframe, common channel information from the management node is received through the third receiving power; wherein the third receiving power is less than the first receiving power, and the third receiving power is less than the second receiving power.
  • the communication device also includes: a module for receiving common channel information from the management node through a second receiving power within a third time period of the first superframe; or, a module for receiving common channel information from the management node through a third receiving power within a third time period of the first superframe; wherein the end time of the third time period is earlier than the start time of the first time period; the third receiving power is less than the first receiving power, and the third receiving power is less than the second receiving power.
  • the communication device also includes: a module for receiving first indication information from a management node; wherein the first indication information is used to indicate a power offset, the value of the power offset is a non-negative number, and the power offset is the difference between the transmission power of the common channel and the possible maximum transmission power value of the data channel within a preset time; and a module for adjusting the automatic gain control AGC gear according to the first indication information.
  • the communication device also includes: a module for receiving common channel information from the management node through the second receiving power within the second superframe; and/or, a module for receiving common channel information from the management node through the second receiving power within the third superframe.
  • the communication device also includes: a module for receiving a power switching reserved symbol PSRS from the management node through a fourth receiving power within the second superframe; and/or, a module for receiving a PSRS from the management node through a fourth receiving power within the third superframe; wherein the fourth receiving power is the maximum value of the receiving power of the data channel in the superframe where the PSRS is located.
  • the communication device is also used to realize the transmission of Bluetooth signals, but does not support the transmission of WiFi signals.
  • the Star Flash module and the Bluetooth module are located in the same subsystem of the communication device, and the subsystem and the power management module PMU are integrated in the communication device.
  • the communication device is also used to realize the transmission of Bluetooth signals or WiFi signals, and at least one of the Bluetooth modules or WiFi modules coexists and communicates with the Star Flash module through different antennas, and the coexistence strategy is channel avoidance.
  • the communication device is also used to: determine the type of the opposite device and/or the service delay of the opposite device, and determine the link corresponding to the opposite device and/or the service for data transmission based on the link selection strategy.
  • the communication device is also used to: determine the type of the opposite device and/or the service delay of the opposite device, including: determining the type of the opposite device, the type of the opposite device includes an audio device type or a non-audio device type; when the type of the opposite device is an audio device type, determining the service delay of the opposite device.
  • the link selection strategy includes: when the service delay is greater than the first value, establishing an asynchronous unicast link or an asynchronous multicast link and then transmitting data; or, when the service delay is less than the first value and greater than the second value, establishing an asynchronous unicast link or an asynchronous multicast link, and performing data transmission after synchronization is achieved by adding timestamps to data packets; or, when the service delay is less than the second value, first establishing an asynchronous unicast link, and then establishing a synchronous unicast link or a synchronous multicast link and then performing data transmission.
  • the communication device when the communication device is a non-audio device, the communication device is also used to: transmit data via an asynchronous unicast or asynchronous multicast link.
  • the communication device is also used to: determine the type of the opposite device and/or the service delay of the opposite device, and determine the frame format type corresponding to the type of the opposite device and/or the service type of the opposite device according to the frame format selection strategy; wherein the frame format type includes Star Flash Wireless Frame Type 1, Star Flash Wireless Frame Type 2, Star Flash Wireless Frame Type 3 or Star Flash Wireless Frame Type 4.
  • the communication device is also used to: determine the type of the opposite device and/or the service delay of the opposite device, including: determining the type of the opposite device, the type of the opposite device includes an audio device type or a non-audio device type; when the type of the opposite device is an audio device type, determining the service delay of the opposite device.
  • the frame format selection strategy includes: when the service delay of the opposite device is less than the first duration, selecting Star Flash wireless frame type 1 for broadcast access, and switching to Star Flash wireless frame type 2 through physical layer parameter negotiation after the connection state; or, when the service delay of the opposite device is less than the first duration and the service anti-interference capability requirement is greater than the set threshold, selecting Star Flash wireless frame type 1 for broadcast access, and switching to Star Flash wireless frame type 2 or Star Flash wireless frame type 3 through physical layer parameter negotiation after entering the connection state; or, when the type of the opposite device is a device that only supports Star Flash wireless frame type 1, or a device with a maximum transmission power greater than the first power threshold, selecting Star Flash wireless frame type 1 for broadcast access; or, when the service type of the opposite device is an Internet of Things (IoT) ultra-long-distance coverage service, when the distance between the opposite device and the communication device is greater than the first threshold, selecting Star Flash wireless frame type 4 for broadcast and connection, or
  • IoT Internet of Things
  • the communication device when the communication device is a non-audio device, the communication device is also used to: select Starflash wireless frame type 1 for broadcast access, and after entering the connection state, switch to Starflash wireless frame type 2 for data transmission through physical layer parameter negotiation.
  • the communication device further includes one or more memories, the one or more memories being coupled to one or more processors, and the one or more memories being used to store the above-mentioned computer programs or instructions.
  • the memory is located outside the communication device. In another possible implementation, the memory is located within the communication device.
  • the processor and the memory may also be integrated into one device, that is, the processor and the memory may also be integrated together.
  • the communication device further includes a transceiver, and the transceiver is used to receive information and/or send information.
  • the communication device further includes one or more communication interfaces, the one or more communication interfaces are coupled to one or more processors, and the one or more communication interfaces are used to communicate with other modules outside the communication device.
  • an embodiment of the present application provides a communication device, which includes an interface circuit and a logic circuit; the interface circuit is used to input and/or output information; the logic circuit is used to execute the communication method described in any one of the first to fourth aspects, and process and/or generate information based on the information.
  • an embodiment of the present application provides a computer-readable storage medium, which stores computer instructions or programs.
  • the computer instructions or programs are run on a computer, the communication method described in any one of the first to fourth aspects is executed.
  • an embodiment of the present application provides a computer program product comprising computer instructions, which, when executed on a computer, enables the communication method described in any one of the first to fourth aspects to be executed.
  • an embodiment of the present application provides a computer program, which, when executed on a computer, enables the communication method described in any one of the first to fourth aspects to be executed.
  • an embodiment of the present application provides a chip, comprising: a processor, the processor being coupled to a memory, the memory being used to store programs or instructions, and when the programs or instructions are executed by the processor, the communication method described in any one of the first to fourth aspects is executed.
  • the technical effects brought about by any design method in the ninth to fourteenth aspects can refer to the technical effects brought about by any one of the first to fourth aspects mentioned above, and will not be repeated here.
  • an embodiment of the present application provides a communication system, which may include a communication device for executing the method described in the first aspect or any possible design of the first aspect, and a communication device for executing the method described in the second aspect or any possible design of the second aspect; or may include a communication device for executing the method described in the third aspect or any possible design of the third aspect, and a communication device for executing the method described in the fourth aspect or any possible design of the fourth aspect.
  • FIG1 is a schematic diagram of a transmit power control solution provided in an embodiment of the present application.
  • FIG2 is a schematic diagram of a channel coverage range provided in an embodiment of the present application.
  • FIG3 is a schematic diagram of a channel coverage range provided in an embodiment of the present application.
  • FIG4 is a schematic diagram of a communication system provided in an embodiment of the present application.
  • FIG5 is a flow chart of a communication method provided in an embodiment of the present application.
  • FIG6 is a schematic diagram of a wireless frame configuration scheme provided in an embodiment of the present application.
  • FIG7 is a schematic diagram of a frame structure of a downlink wireless frame provided in an embodiment of the present application.
  • FIG8 is a schematic diagram of a transmit power control solution provided in an embodiment of the present application.
  • FIG9 is a schematic diagram of a channel coverage range provided in an embodiment of the present application.
  • FIG10 is a schematic diagram of a transmit power control solution provided in an embodiment of the present application.
  • FIG11 is a schematic diagram of a channel coverage range provided in an embodiment of the present application.
  • FIG12 is a flow chart of a communication method provided in an embodiment of the present application.
  • FIG13 is a schematic diagram of a transmit power control solution provided in an embodiment of the present application.
  • FIG15 is a schematic diagram of a chip architecture provided in an embodiment of the present application.
  • FIG21 is a schematic diagram of another chip module framework provided in an embodiment of the present application.
  • FIG22 is a schematic diagram of a framework of a software static policy provided in an embodiment of the present application.
  • FIG23 is a schematic diagram of a framework of a hardware time-division arbitration (PTA) strategy provided in an embodiment of the present application;
  • PTA hardware time-division arbitration
  • FIG24 is a schematic diagram of a link establishment process according to an embodiment of the present application.
  • FIG26 is a schematic diagram of another link establishment process provided in an embodiment of the present application.
  • FIG29 is a schematic diagram of another link establishment process provided in an embodiment of the present application.
  • Figure 30 shows the four different radio frame types defined in the Star Flash protocol
  • FIG31 is an example of a frame format application in a scenario provided by an embodiment of the present application.
  • FIG32 is an example of a frame format application in another scenario provided by an embodiment of the present application.
  • FIG33 is an example of a frame format application in another scenario provided by an embodiment of the present application.
  • FIG35 is a schematic structural diagram of a communication device provided in an embodiment of the present application.
  • FIG36 is a schematic diagram of the structure of another communication device provided in an embodiment of the present application.
  • Figure 37 is a schematic diagram of the composition of a communication device provided in an embodiment of the present application.
  • the in-vehicle wireless short-range communication system is a system used to enable communication between in-vehicle domain controllers and other communication devices, as well as interconnection and communication between smartphones, smart wearable devices (or other devices) and in-vehicle devices.
  • This communication system includes grant nodes (G nodes) and terminal nodes (T nodes). G nodes can send downlink signals to T nodes, and T nodes can send uplink signals to G nodes, thereby enabling communication between G nodes and T nodes.
  • the transmission power corresponding to all downlink signals is the same.
  • the G node when the G node sends data to the T node through the data channel, it adopts a mixed transmission method of high-order and low-order data (such as time division and/or frequency division mixed transmission), that is, when the G node sends low-order data through the low-order data channel, power backoff is performed according to the transmission power of the high-order data channel, and the transmission power of the low-order data is the same as the transmission power of the high-order data.
  • a mixed transmission method of high-order and low-order data such as time division and/or frequency division mixed transmission
  • the G node when the G node sends common channel information through the common channel, power backoff is performed according to the transmission power of the low-order data channel, that is, the transmission power of the common channel information is the same as the transmission power of the low-order data, so that the capabilities of the low-order data channel and the common channel match (such as decoding capability matching).
  • an embodiment of the present application provides a communication method, in which a management node can send first data to a terminal node at a first transmit power during a first time period of a first superframe, and can send second data to the terminal node at a second transmit power during a second time period of the first superframe.
  • the modulation order of the first data is greater than the modulation order of the second data, and the first transmit power is different from the second transmit power.
  • the management node can use different transmission powers to send data of different modulation orders, thereby realizing targeted design of power control and coverage range of low-order data channels and high-order data channels, instead of using a uniform transmission power to send all downlink signals, which can improve the coverage performance and anti-interference performance of the communication system.
  • the communication method provided in the embodiments of the present application can be used in any communication system, which can be a third generation partnership project (3GPP) communication system, such as a long term evolution (LTE) system, or a fifth generation (5G) mobile communication system, a system of LTE and 5G hybrid networking, a new radio (NR) system, an NR vehicle to everything (V2X) system, a device-to-device (D2D) communication system, a machine to machine (M2M) communication system, an Internet of Things (IoT), a narrowband Narrow-band Internet of Things (NB-IoT), enhanced mobile broadband (eMBB), ultra-reliable and low-latency communication (URLLC), enhanced machine-type communication (eMTC), vehicular wireless short-range communication systems, and various types of next-generation communication systems, such as the sixth generation (6G) mobile communication system, as well as non-terrestrial network (NTN) systems (such as satellite communication systems) and non-3GPP communication systems, are not restricted.
  • 3GPP third generation
  • the communication method provided in the embodiments of the present application can be applied to various communication scenarios. For example, it can be applied to one or more of the following communication scenarios: coding of control channels, coding of data channels, etc., without limitation.
  • FIG4 is a schematic diagram of a communication system provided in an embodiment of the present application. As shown in FIG4 , the communication system may include at least one terminal node and at least one management node.
  • the communication system shown in FIG4 may be a star flash system.
  • the terminal node in FIG4 may be a node in the communication system that receives data scheduling information and sends data according to the data scheduling information, and may be called a T node.
  • the management node in FIG4 may be a node that sends data scheduling information in the communication system, and may be called a G node.
  • the communication link for transmission from a grant node to a terminal node is the link between the grant node and the terminal node.
  • This link can carry data channels, control channels, broadcast channels, synchronization signals, and other information from the grant node to the terminal node. It is called a G-link.
  • the symbols used for transmission on a G-link are called G-symbols.
  • a communication link for transmission from a terminal node to a grant node is a communication link from a terminal node to a grant node.
  • This link carries data channels, access channels, feedback signals, and other information from the terminal node to the grant node. It is called a T-link.
  • the symbols used for T-link transmission are called T-symbols.
  • a communication domain refers to the G-link and T-link resources of a management node in a communication system.
  • a communication domain can also be called a cell.
  • the terminal node in Figure 4 can also be a device with wireless transceiver capabilities, or a chip or chip system that can be installed in such a device. It can allow users to access the network and is used to provide voice and/or data connectivity to users.
  • the terminal node can also be called user equipment (UE), subscriber unit (subscriber unit), terminal, mobile station (MS), or mobile terminal (MT).
  • UE user equipment
  • subscriber unit subscriber unit
  • MS mobile station
  • MT mobile terminal
  • the terminal node in FIG4 can be a mobile phone, a tablet computer, or a computer with wireless transceiver capabilities.
  • the terminal node can also be a user station, a mobile station, a remote station, a remote terminal node, a mobile terminal node, a user terminal node, a wireless communication device, a user agent, a user device, a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), a handheld device with wireless communication capabilities, a computing device, a processing device connected to a wireless modem, an in-vehicle device, a wearable device, a terminal node in the Internet of Things, a smart home device (e.g., a refrigerator, a television, an air conditioner, an electric meter, etc.), an intelligent robot, a robotic arm, a workshop device, a virtual reality (VR) Wireless terminals in industrial control, unmanned driving, telemedicine
  • the management node in Figure 4 can also be any device deployed in the network that can communicate wirelessly with terminal nodes, or a chip or chip system that can be set up in the above-mentioned device, or a logical node or logic module, or a function implemented in software, which can be used to implement wireless physical control functions, resource scheduling and wireless resource management, wireless access control, and mobility management functions.
  • the management node can be a device that supports wired access or a device that supports wireless access.
  • the management node may be composed of one or more access network (AN)/radio access network (RAN) nodes.
  • AN/RAN nodes may include: a gNB, a transmission reception point (TRP), an evolved NodeB (eNB), a radio network controller (RNC), a NodeB (NB), a base station controller (BSC), a base transceiver station (BTS), a home base station (e.g., a home evolved NodeB or home NodeB, HNB), a baseband unit (BBU), or a wireless fidelity (Wi-Fi) access point (AP).
  • TRP transmission reception point
  • eNB evolved NodeB
  • RNC radio network controller
  • NB NodeB
  • BSC base station controller
  • BTS base transceiver station
  • AP wireless fidelity access point
  • the management node may include a baseband unit (BBU) and a remote radio unit (RRU).
  • BBU baseband unit
  • RRU remote radio unit
  • the BBU and RRU can be placed in different locations.
  • the RRU can be remotely located in a high-traffic area while the BBU is located in a central equipment room.
  • the BBU and RRU can be located in the same equipment room.
  • the BBU and RRU can be separate components within the same rack.
  • the management node may also be a device including a centralized unit (CU) node, a distributed unit (DU) node, or a CU node and a DU node.
  • the management node may be divided into a CU and a DU from a logical functional perspective, with some protocol layer functions centrally controlled by the CU, and the remaining part or all of the protocol layer functions distributed in the DU, which is then centrally controlled by the CU.
  • the CU and DU may be separately configured or included in the same network element, such as a BBU.
  • the centralized unit CU may be further divided into a control plane (CU-CP) and a user plane (CU-UP).
  • CU-CP control plane
  • CU-UP user plane
  • the management node may be a device including a radio unit (RU), or including a CU, DU, and RU.
  • the RU may be included in a radio frequency device or radio frequency unit, such as an RRU, an active antenna unit (AAU), or a remote radio head (RRH).
  • RRU radio unit
  • AAU active antenna unit
  • RRH remote radio head
  • CU or CU-CP and CU-UP
  • DU or RU may have different names, but those skilled in the art can understand their meanings.
  • O-RAN open radio access network
  • CU may also be referred to as O-CU (open CU)
  • DU may also be referred to as O-DU
  • CU-CP may also be referred to as O-CU-CP
  • CU-UP may also be referred to as O-CU-UP
  • RU may also be referred to as O-RU.
  • this application uses CU, CU-CP, CU-UP, DU and RU as examples for description.
  • Any of the CU (or CU-CP, CU-UP), DU and RU in this application may be implemented by a software module, a hardware module, or a combination of a software module and a hardware module.
  • the communication method provided in the embodiment of the present application can be implemented by the above-mentioned terminal node or management node, or by components of the terminal node or management node, such as an application-specific integrated circuit (ASIC), a field programmable gate array (FPGA), or software (such as program code in a memory) deployed in the terminal node or management node, without limitation.
  • ASIC application-specific integrated circuit
  • FPGA field programmable gate array
  • software such as program code in a memory deployed in the terminal node or management node, without limitation.
  • FIG5 is a flow chart of a communication method provided in an embodiment of the present application. As shown in FIG5 , the method includes:
  • Step 501 The management node sends first data to the terminal node at a first transmission power within a first time period of the first superframe; correspondingly, the terminal node receives the first data from the management node at a first reception power within a first time period of the first superframe.
  • the modulation order of the first data is greater than the modulation order of the second data.
  • the first data may also be referred to as high-order data, and the second data may also be referred to as low-order data.
  • data of two modulation orders are used as an example to describe the sending and receiving process in detail.
  • the management node can also send data of multiple modulation orders within a superframe.
  • any two modulation order data among the multiple modulation order data can be considered as the first data and the second data, that is, "high order" and "low order” in the embodiment of the present application are relative concepts, not absolute concepts.
  • the management node can use different transmission powers to send data of different modulation orders.
  • a super frame can include multiple radio frames.
  • a superframe can include 48 radio frames. These radio frames can be downlink radio frames (grant frames, GF) sent by a G node, uplink radio frames (terminal frames, TF) sent by a T node, or special radio frames (SF) carrying gaps (GAPs).
  • the radio frame allocation schemes can include radio frame allocation scheme 0, radio frame allocation scheme 1, ..., and radio frame allocation scheme 10, each with a duration of 1ms.
  • the switching period corresponding to radio frame allocation schemes 0 through 6 is 1ms
  • the switching period corresponding to radio frame allocation schemes 7 through 9 is 0.5ms
  • the switching period corresponding to radio frame allocation scheme 10 is 125us.
  • Each downlink radio frame can be further subdivided into a symbol structure as shown in Figure 7 according to orthogonal frequency division multiplexing (OFDM) symbols. That is, a downlink radio frame can include a first training signal (FTS) symbol, a second training signal (STS) symbol, a broadcast channel (BCH) symbol, a control resource indicator (CR-IND) symbol, a grant control information (GCI) symbol, and a downlink symbol (DS).
  • FTS first training signal
  • STS broadcast channel
  • CR-IND control resource indicator
  • GCI grant control information
  • DS downlink symbol
  • each radio frame can include only multiple DS symbols without limitation.
  • the FTS symbol is used to carry the primary synchronization sequence.
  • the STS symbol is used to carry the secondary synchronization sequence.
  • the BCH symbol is not sent in every superframe. When the BCH symbol is not sent in the superframe, the CR-IND symbol and the GCI symbol are moved forward.
  • the CR-IND symbol is used to indicate the GCI resource allocation of the current superframe.
  • GCI is used for downlink control and contains a series of control information used to guide the communication behavior of the T node on the downlink. GCI can also be understood as downlink control information (DCI).
  • the DS symbol is used to carry data (such as the first data and second data mentioned above).
  • the first time period may include one or more symbols
  • the second time period may include one or more symbols.
  • the lengths of the first time period and the second time period may be the same or different, without limitation.
  • the management node can use different transmission powers to send data of different modulation orders in different time periods of the same superframe.
  • Low-order data and high-order data can be scheduled simultaneously through a single superframe.
  • targeted design of power control and coverage range of low-order data channels and high-order data channels is achieved, instead of using a unified transmission power to send all downlink signals, which can improve the coverage performance and anti-interference performance of the communication system.
  • the first transmit power is less than the second transmit power.
  • the management node when it sends the second data, it can use a second transmit power that is higher than the first transmit power of the first data.
  • the coverage of the low-order data channels is no longer limited by the transmit power of the high-order data channels.
  • the coverage of the low-order data channels can be enhanced.
  • the management node when the management node sends data of multiple modulation orders in a superframe, the lower the modulation order of the data, the higher the corresponding transmission power of the data can be, so as to enhance the coverage of the low-order data channel.
  • the end time of the first time period is earlier than or equal to the start time of the second time period. That is, the second data is sent after the first data (or the low-order data is sent after the high-order data). This can prevent the transmit power switching from affecting the signal quality of subsequent high-order data and prevent the transmit power jump from interfering with the high-order data.
  • the management node may also send a first indication message to the terminal node; accordingly, the terminal node receives the first indication message from the management node, and adjusts the automatic gain control (AGC) gear according to the first indication message to improve receiving sensitivity and communication performance.
  • AGC automatic gain control
  • the first indication information can be used to indicate the power offset
  • the value of the power offset is a non-negative number (or described as the value of the power offset is greater than or equal to 0)
  • the power offset is the difference between the transmission power of the common channel and the possible maximum transmission power value of the data channel within the preset time.
  • PwrOffset_B represents the power offset.
  • FTS/STS/BCH/CR-IND/GCI symbol power represents the transmit power of the common channel.
  • Maximum DS symbol power represents the maximum possible transmit power value of the data channel within a preset time.
  • the preset time may be predefined by the communication protocol, or may be customized by the management node, or may be determined through negotiation between the management node and the terminal node, without limitation.
  • the preset time may be a period of time in units of superframes, frames, seconds, milliseconds, etc.
  • the possible maximum transmit power value of the data channel within the preset time is not limited to the possible maximum transmit power value within the current superframe (e.g., the first superframe), but can be the possible maximum transmit power value of the data channel within multiple superframes.
  • the preset time can be a period of time within the current superframe or a period of time within multiple superframes, without limitation.
  • the management node can also send common channel information on the common channel through the second transmission power within the third time period of the first superframe; correspondingly, the terminal node can receive common channel information from the management node on the common channel through the second receiving power within the third time period of the first superframe.
  • the public channel may include one or more of the following: a public broadcast channel, a public control channel, etc., without limitation.
  • the end time of the third time period may be earlier than the start time of the first time period.
  • the management node when the management node sends common channel information, it can use the same second transmit power as the second data, so that the common channel matches the capabilities of the low-order data channels.
  • the coverage of the common channel is no longer limited by the transmit power of the high-order data channel. By increasing the transmit power of the common channel, the coverage of the common channel can be enhanced.
  • the management node may transmit the common channel information at the same second transmit power as any lower-order data.
  • the management node may also transmit a power switch reserve symbol (PSRS) at a fourth transmit power within a fourth time period of the first superframe.
  • PSRS power switch reserve symbol
  • the terminal node may receive the PSRS from the management node at a fourth receive power within the fourth time period of the first superframe.
  • the end time of the fourth time period is earlier than or equal to the start time of the first time period. That is, the management node can send the PSRS before sending the first data, and can perform power switching when sending the PSRS. That is, the transmission time of the PSRS can be understood as the power adjustment time, or the power change transition time, thereby avoiding interference of the transmission power jump with the high-order data.
  • the fourth transmit power is the maximum transmit power of the data channel in the superframe where the PSRS is located. For example, as shown in FIG8 , if the maximum transmit power of the data channel in the first superframe is the second transmit power, the fourth transmit power is the same as the second transmit power.
  • the fourth received power is the maximum received power of the data channel in the superframe where the PSRS is located.
  • the maximum received power of the data channel in the first superframe is the second received power
  • the fourth received power is the same as the second received power.
  • the terminal node may also adjust the AGC gear according to the PSRS to improve the receiving sensitivity and communication performance.
  • the terminal node may determine the power corresponding to the PSRS according to the received PSRS, and adjust the AGC gear according to the power.
  • the terminal node adjusting the AGC gear position according to the first indication information can shorten the adjustment delay and improve the communication performance.
  • the management node can also use a mixed sending method of the first data and the second data (time division and/or frequency division) in the downlink data channel to send the first data and the second data to the terminal node through the first transmission power without restriction.
  • the first transmission power is greater than the second transmission power.
  • the end time of the first time period is earlier than or equal to the start time of the second time period. That is, the second data is sent after the first data (or the low-order data is sent after the high-order data). This can prevent the transmit power switching from affecting the signal quality of subsequent high-order data and prevent the transmit power jump from interfering with the high-order data.
  • the management node may also send a second indication message to the terminal node; accordingly, the terminal node receives the second indication message from the management node, and adjusts the AGC gear according to the second indication message to avoid signal distortion caused by excessive power entering a saturated state, thereby improving signal quality.
  • the second indication information is used to indicate a power offset.
  • the power offset is a negative number (or is described as a power offset value less than 0).
  • the power offset is the difference between the transmit power of the common channel and the maximum possible transmit power value of the data channel within a preset time.
  • the description of the power offset can refer to the relevant description in the first possible design above and is not repeated here.
  • both the first indication information and the second indication information are used to indicate the power offset, and the first indication information and the second indication information may be different indication information.
  • the first indication information and the second indication information may be the same indication information.
  • the value of the indication information is the first value, it indicates that the power offset is a non-negative number, and the indication information may be understood as the first indication information.
  • the value of the indication information is the second value, it indicates that the power offset is a negative number, and the indication information may be understood as the second indication information.
  • the management node can also send common channel information on the common channel through the second transmission power within the third time period of the first superframe; correspondingly, the terminal node can receive common channel information from the management node on the common channel through the second receiving power within the third time period of the first superframe.
  • the end time of the third time period is earlier than the start time of the first time period.
  • the management node can use the same second transmit power as the second data when sending common channel information, so that the common channel matches the capabilities of the low-order data channel.
  • Figure 11 (c) reduces the common channel's transmit power, thereby reducing the common channel's coverage and inter-cell interference. At the same time, it can also prevent T nodes in cells of other G nodes from frequently attempting to access the current cell.
  • the management node may use the same second transmit power as any low-order data to send the common channel information.
  • the management node may also send common channel information on the common channel through a third transmission power within the third time period of the first superframe; correspondingly, the terminal node may receive common channel information from the management node on the common channel through a third receiving power within the third time period of the first superframe.
  • the third transmit power is less than the first transmit power, which is less than the second transmit power.
  • the third receive power is less than the first receive power, which is less than the second receive power.
  • the management node when it sends common channel information, it can also use a third transmission power that is smaller than the second transmission power. By reducing the transmission power of the common channel, the coverage range of the common channel can be reduced, and the interference between cells can be reduced. At the same time, it can also avoid T nodes in cells of other G nodes frequently attempting to access the current cell.
  • the management node may also send PSRS at a fourth transmission power in the fourth time period of the first superframe; correspondingly, the terminal node receives PSRS from the management node at a fourth receiving power in the fourth time period of the first superframe.
  • the end time of the fourth time period is earlier than or equal to the start time of the first time period. That is, the management node can send the PSRS before sending the first data, and can perform power switching when sending the PSRS. That is, the transmission time of the PSRS can be understood as the power adjustment time, or the power change transition time, thereby avoiding interference of the transmission power jump with the high-order data.
  • the fourth transmit power is the maximum transmit power of the data channel in the superframe where the PSRS is located. For example, as shown in FIG10 , if the maximum transmit power of the data channel in the first superframe is the first transmit power, the fourth transmit power is the same as the first transmit power.
  • the fourth received power is the maximum received power of the data channel in the superframe where the PSRS is located.
  • the maximum received power of the data channel in the first superframe is the first received power
  • the fourth received power is the same as the first received power.
  • the terminal node can also adjust the AGC gear according to the PSRS to prevent the signal from entering a saturated state and being distorted due to excessive power, thereby improving signal quality.
  • the terminal node may determine the power corresponding to the PSRS according to the received PSRS, and adjust the AGC gear according to the power.
  • the terminal node adjusting the AGC gear position according to the second indication information can shorten the adjustment delay and improve the communication performance.
  • the management node can also send the first data and the second data to the terminal node in different superframes.
  • FIG12 is a communication method provided in an embodiment of the present application. As shown in FIG12 , the method includes:
  • Step 1201 The management node sends first data to the terminal node at a first transmission power within a second superframe; correspondingly, the terminal node receives the first data from the management node at a first reception power within the second superframe.
  • Step 1202 The management node sends second data to the terminal node at a second transmit power within a third superframe; correspondingly, the terminal node receives the second data from the management node at a second receive power within the third superframe.
  • the management node can also send data of multiple modulation orders in multiple superframes (different superframes correspond to data of different modulation orders). Any two modulation order data among the multiple modulation order data can be considered as the first data and the second data, that is, "high order" and "low order” in the embodiment of the present application are relative concepts, not absolute concepts.
  • the management node can use different transmission powers to send data of different modulation orders in different superframes.
  • the management node can also send common channel information on the common channel through the second transmission power before sending the first data within the second superframe; correspondingly, the terminal node can receive the common channel information from the management node on the common channel through the second receiving power before receiving the first data within the second superframe.
  • the management node can also send common channel information on the common channel through the second transmission power before sending the second data within the third superframe; correspondingly, the terminal node can receive common channel information from the management node on the common channel through the second receiving power before receiving the second data within the third superframe.
  • the management node may use the same second transmit power as any low-order data to send the common channel information.
  • the management node may also send PSRS at the fourth transmission power before sending the first data in the second superframe; correspondingly, the terminal node receives PSRS from the management node at the fourth receiving power before receiving the first data in the second superframe.
  • the management node may also send PSRS at the fourth transmission power before sending the second data in the third superframe; correspondingly, the terminal node may receive PSRS from the management node at the fourth reception power before receiving the second data in the third superframe.
  • the management node can send PSRS before sending the first data or the second data, and can perform power switching when sending PSRS, that is, the sending time of PSRS can be understood as the power adjustment time, or as the power change transition time, thereby avoiding the interference of the transmission power jump on the first data or the second data.
  • the fourth transmit power is the maximum transmit power of the data channel in the superframe in which the PSRS is located. For example, as shown in FIG13 , if the maximum transmit power of the data channel in the second superframe is the first transmit power, then the fourth transmit power is the same as the first transmit power. If the maximum transmit power of the data channel in the third superframe is the second transmit power, then the fourth transmit power is the same as the second transmit power.
  • the fourth received power is the maximum received power of the data channel in the superframe in which the PSRS is located.
  • the maximum received power of the data channel in the second superframe is the first received power
  • the fourth received power is the same as the first received power.
  • the maximum received power of the data channel in the third superframe is the second received power
  • the fourth received power is the same as the second received power.
  • the terminal node may also adjust the AGC gear according to the PSRS to improve the receiving sensitivity and communication performance.
  • the terminal node may determine the power corresponding to the PSRS according to the received PSRS, and adjust the AGC gear according to the power.
  • the terminal node adjusting the AGC gear position according to the first indication information can shorten the adjustment delay and improve the communication performance.
  • the first transmission power is greater than the second transmission power.
  • the management node when it sends the second data, it can use a second transmission power lower than the first transmission power of the first data.
  • the transmission power of low-order data channels By reducing the transmission power of low-order data channels, the coverage of low-order data channels can be reduced and inter-cell interference can be reduced.
  • this second possible design does not require reducing the transmission power of high-order data channels, thereby ensuring high throughput, avoiding the reduction of the coverage of high-order data channels after uniformly reducing the transmission power or even the inability to provide communication services, and improving communication performance.
  • the lower the modulation order of the data the lower the corresponding transmission power of the data can be, so as to reduce the coverage range of the low-order data channel and reduce interference between cells.
  • the management node may also send a second indication message to the terminal node; accordingly, the terminal node receives the second indication message from the management node, and adjusts the AGC gear according to the second indication message to avoid signal distortion caused by excessive power entering a saturated state, thereby improving signal quality.
  • the second indication information is used to indicate a power offset.
  • the power offset is a negative number (or is described as a power offset value less than 0).
  • the power offset is the difference between the transmit power of the common channel and the maximum possible transmit power value of the data channel within a preset time.
  • the description of the second indication information can refer to the related description of the second indication information above and is not repeated here.
  • the management node can also send common channel information on the common channel through the second transmission power before sending the first data within the second superframe; correspondingly, the terminal node can receive the common channel information from the management node on the common channel through the second receiving power before receiving the first data within the second superframe.
  • the management node can also send common channel information on the common channel through the second transmission power before sending the second data within the third superframe; correspondingly, the terminal node can receive common channel information from the management node on the common channel through the second receiving power before receiving the second data within the third superframe.
  • the management node may use the same second transmit power as any low-order data to send the common channel information.
  • the management node can use the same second transmit power as the second data when sending common channel information, so that the common channel matches the capabilities of low-order data channels.
  • the coverage range of the common channel can be reduced, reducing inter-cell interference.
  • it can also prevent T nodes in cells of other G nodes from frequently attempting to access the current cell.
  • the management node may also send common channel information on the common channel through a third transmission power before sending the first data within the second superframe; correspondingly, the terminal node may receive common channel information from the management node on the common channel through a third receiving power before sending the first data within the second superframe.
  • the management node can also send common channel information on the common channel through the third transmission power before sending the second data within the third superframe; correspondingly, the terminal node can receive common channel information from the management node on the common channel through the third receiving power before receiving the second data within the third superframe.
  • the third transmit power is less than the first transmit power, which is less than the second transmit power.
  • the third receive power is less than the first receive power, which is less than the second receive power.
  • the management node may also use a third transmission power that is smaller than the second transmission power when sending common channel information.
  • the transmission power of the common channel By reducing the transmission power of the common channel, the coverage of the common channel can be reduced, and the interference between cells can be reduced. At the same time, it can also avoid T nodes in cells of other G nodes frequently attempting to access the current cell.
  • the management node may also send PSRS at the fourth transmission power before sending the first data in the second superframe; correspondingly, the terminal node receives PSRS from the management node at the fourth receiving power before receiving the first data in the second superframe.
  • the management node may also send PSRS at the fourth transmission power before sending the second data in the third superframe; correspondingly, the terminal node may receive PSRS from the management node at the fourth reception power before receiving the second data in the third superframe.
  • the management node can send PSRS before sending the first data or the second data, and can perform power switching when sending PSRS, that is, the sending time of PSRS can be understood as the power adjustment time, or as the power change transition time, thereby avoiding the interference of the transmission power jump on the first data or the second data.
  • the fourth transmit power is the maximum transmit power of the data channel in the superframe in which the PSRS is located. For example, as shown in FIG14 , if the maximum transmit power of the data channel in the second superframe is the first transmit power, then the fourth transmit power is the same as the first transmit power. If the maximum transmit power of the data channel in the third superframe is the second transmit power, then the fourth transmit power is the same as the second transmit power.
  • the fourth received power is the maximum received power of the data channel in the superframe in which the PSRS is located.
  • the maximum received power of the data channel in the second superframe is the first received power
  • the fourth received power is the same as the first received power.
  • the maximum received power of the data channel in the third superframe is the second received power
  • the fourth received power is the same as the second received power.
  • the terminal node may also adjust the AGC gear position based on the PSRS to prevent the signal from entering a saturated state and being distorted due to excessive power, thereby improving signal quality.
  • the terminal node may determine the power corresponding to the received PSRS based on the PSRS and adjust the AGC gear position based on the power. It is understood that, compared to adjusting the AGC gear position based on the PSRS by the terminal node, adjusting the AGC gear position based on the second indication information can shorten the adjustment delay and improve communication performance.
  • the solution provided in the embodiment of the present application can be applied to a star flash system.
  • Bluetooth (BT) and Bluetooth low energy (BLE) may refer to each other.
  • Sparklink or Nearlink may both be overlapping networking modes for multiple piconets, and may both use the 2.4 GHz frequency band and frequency hopping technology, with similar features.
  • Sparklink low energy (SLE), Sparklink basic (SLB), or Sparklink position (SLP) may also refer to each other.
  • Both Bluetooth (BT) and SparkLink (or NearLink) can form overlapping piconets. Both utilize the 2.4 GHz frequency band and frequency hopping technology, sharing similarities. This allows for the reuse of some modules, saving chip cost, area, and power consumption. This allows for a high degree of chip resource reuse and rapid iteration across multiple chips.
  • BLE and SLE can share a set of RF architecture and channels.
  • a chip architecture schematic diagram is provided in an embodiment of the present application. As can be seen from Figure 15, through design, it is possible to achieve resource sharing of the central processing unit (CPU), radio frequency (RF) unit), analog baseband (ABB) unit, or modem, and reuse of some modules of the media access control (MAC) layer, so as to save chip area, reduce chip cost and power consumption.
  • MAC media access control
  • FIG. 16 another chip architecture schematic diagram is provided in an embodiment of the present application. As can be seen from Figure 16, the MAC units of BT, SLE and wireless fidelity (WIFI) are implemented independently, and the RF units and modem units of each mode are all shared.
  • WIFI wireless fidelity
  • FIG 17 shows another chip architecture schematic diagram provided in an embodiment of the present application.
  • the MAC units of BT, SLE and WIFI are implemented independently, and the modems of BT, SLE and WIFI are also implemented independently, and the RF units of each mode are all shared.
  • Figure 18 shows another chip architecture diagram provided by an embodiment of the present application.
  • the MAC units of BT, SLE, and WIFI are independently implemented, while some modes, such as BT and SLE, share a common modem.
  • Other modes, such as WIFI have their own independent modem implementations, while all RF units are shared.
  • SLE chips are available in 14/28/40nm process technology and packaged in chip-size packages (CSP), ball grid array (BGA), and quad flat no-lead (QFN). They feature either internal or external flash memory.
  • CSP chip-size packages
  • BGA ball grid array
  • QFN quad flat no-lead
  • PMU power management unit
  • CMU clock management unit
  • AON active optical network
  • WLAN wireless local area network
  • Bluetooth SLE
  • GNSS global navigation satellite system
  • APP application
  • audio can be integrated onto a single chip, minimizing area while maximizing functionality and improving performance and reliability.
  • the present application provides a chip design method in which the SLE and other subsystems are integrated on a single chip.
  • the subsystems of the chip can be tailored and combined according to different products, and different subsystems are connected via a bus.
  • Figure 19 shows a schematic diagram of a chip module framework provided by an embodiment of the present application.
  • BT and SLE can be separated into different systems, which can then be combined with the Wi-Fi system, GNSS system, always-on system, PMU, CMU, Flash memory, and other components on a single chip.
  • the different subsystems are connected via a bus.
  • Figure 20 shows another schematic diagram of a chip module framework provided by an embodiment of the present application.
  • BLE and SLE can be combined into a single subsystem, which can then be combined with the App System, Audio System, Always On System, PMU, CMU, and Flash on a single chip.
  • the different subsystems are connected via a bus.
  • Figure 21 shows another schematic diagram of a chip module framework provided by an embodiment of the present application.
  • BLE and SLE can be combined into a single subsystem, which can then be combined with the Always On System, CMU, PMU, Flash, and other components on a single chip, with the different subsystems connected via a bus.
  • the 2.4GHz WiFi frequency band is between 2412 and 2472 MHz, while the BT/BLE/SLE frequency band is between 2402 and 2480 MHz, potentially interfering with each other. While SLE and BT/BLE within the same core can be allocated service time slots through software scheduling, there is no unified scheduling for SLE and BT/BLE/WiFi on different cores.
  • the embodiment of the present application provides a coexistence solution for SLE/BT/BLE/WIFI.
  • the coexistence scenario is divided into different antenna coexistence (using different antennas) and shared antenna coexistence (using the same antenna), and different coexistence strategies are given.
  • the transmit and receive frequencies of SLE and BT/BLE can be kept different (i.e., frequency division multiplexing).
  • the software can handle this based on the frequency hopping sequence (i.e., code division multiplexing), service cycle, and interval (i.e., time division multiplexing).
  • the frequency hopping sequence i.e., code division multiplexing
  • service cycle i.e., service cycle
  • interval i.e., time division multiplexing
  • a software static strategy For coexistence using the same antenna, either a software static strategy or a hardware packet traffic arbitration (PTA) strategy can be used.
  • the advantages of the software static strategy include minimal hardware requirements, minimal software modifications, and no dynamic radio frequency (RF) switching (such as RF recovery).
  • the advantages of the PTA strategy include faster service state switching and finer switching time granularity.
  • FIG 22 shows a schematic diagram of a software static policy framework provided by an embodiment of the present application.
  • the software static policy may include: after SLE is started, the host (HOST) is configured through software to notify Wi-Fi to exit the current RF path.
  • Wi-Fi can check the SLE startup flag, and the software can set it to switch from the current RF path to another RF path.
  • the chip needs to support software-set switching.
  • the hardware arbitration time division (PTA) strategy includes: any combination of transmission (TX) and reception (RX) of each party is time-divided, and the PTA module will transmit the occupancy status of the radio frequency channel to each party respectively, using different level signals to indicate that the radio frequency channel is occupied by SLE/BT/BLE/WIFI, and this signal is used to notify the software or hardware to perform the corresponding processing.
  • Different services can also set different PTA priorities, and high-priority services can seize air interface resources.
  • the Star Flash standard defines asynchronous and synchronous data links. Asynchronous links are divided into asynchronous unicast and multicast, and synchronous links are divided into synchronous unicast, multicast, and broadcast.
  • This embodiment of the application designs a set of SLE link selection schemes based on the different real-time data requirements of different products. By connecting different devices in different scenarios, different data links can be used to support the needs of different product application scenarios.
  • an asynchronous unicast link can be established first, and then a synchronous unicast link or a synchronous multicast link can be established for data transmission.
  • Figure 29 is a schematic diagram of another link establishment process provided by an embodiment of the present application.
  • the G node sends a scan access request to the T node.
  • an asynchronous multicast link is established between the G node and the T node, and data transmission is performed after synchronization is achieved by adding timestamps to the data packets.
  • Figure 34 shows an example of frame format application in another scenario provided by an embodiment of the present application.
  • frame format 4 For ultra-long-distance coverage of the Internet of Things (IoT), frame format 4 is selected for broadcasting and connection. As the distance decreases, physical layer parameter negotiation can be used to switch to frame format 2 or 3; otherwise, frame format 4 is maintained.
  • IoT Internet of Things
  • the execution subject may perform some or all of the steps in the embodiments of the present application. These steps or operations are merely examples, and the embodiments of the present application may also perform other operations or variations of various operations. In addition, the various steps may be performed in a different order than those presented in the embodiments of the present application, and it is possible that not all operations in the embodiments of the present application need to be performed.
  • each functional module can be divided according to each function, or two or more functions can be integrated into one processing module.
  • the above integrated modules can be implemented in the form of hardware or in the form of software functional modules. It should be noted that the division of modules in the embodiments of the present application is schematic and is only a logical function division. In actual implementation, there may be other division methods.
  • the communication module and processing module in the embodiment of the present application can be deployed in the Star Flash module, Bluetooth module or WiFi module at the same time; or, the communication module in the embodiment of the present application can be deployed in the Star Flash module, Bluetooth module or WiFi module, and the processing module in the embodiment of the present application can be deployed in other modules of the module where the processing module is located; or, the processing module in the embodiment of the present application can be deployed in the Star Flash module, Bluetooth module or WiFi module, and the communication module in the embodiment of the present application can be deployed in other modules of the module where the processing module is located.
  • the embodiment of the present application does not make specific limitations on this.
  • the communication device 350 is further used to determine the type of the opposite device and/or the service delay of the opposite device, and determine the link corresponding to the opposite device and/or the service for data transmission according to the link selection strategy.
  • the communication device 350 is also used to: determine the type of the opposite device and/or the service delay of the opposite device, including: determining the type of the opposite device, the type of the opposite device includes an audio device type or a non-audio device type; when the type of the opposite device is an audio device type, determining the service delay of the opposite device.
  • the link selection strategy includes: when the service delay is greater than a first value, establishing an asynchronous unicast link or an asynchronous multicast link before performing data transmission; or, when the service delay is less than the first value and greater than a second value, establishing an asynchronous unicast link or an asynchronous multicast link, achieving synchronization by adding timestamps to data packets, and then performing data transmission; or, when the service delay is less than the second value, first establishing an asynchronous unicast link, and then establishing a synchronous unicast link or a synchronous multicast link before performing data transmission.
  • the communication device 350 is further configured to determine the type of the peer device and/or the service delay of the peer device, and determine, based on a frame format selection strategy, a frame format type corresponding to the type of the peer device and/or the service type of the peer device.
  • the frame format types include Starflash Wireless Frame Type 1, Starflash Wireless Frame Type 2, Starflash Wireless Frame Type 3, or Starflash Wireless Frame Type 4.
  • the communication device 350 is also used to: determine the type of the opposite device and/or the service delay of the opposite device, including: determining the type of the opposite device, the type of the opposite device includes an audio device type or a non-audio device type; when the type of the opposite device is an audio device type, determining the service delay of the opposite device.
  • the above-mentioned frame format selection strategy includes: when the service delay of the opposite device is less than the first duration, selecting Star Flash wireless frame type 1 for broadcast access, and switching to Star Flash wireless frame type 2 through physical layer parameter negotiation after the connection state; or, when the service delay of the opposite device is less than the first duration and the service anti-interference capability requirement is greater than the set threshold, selecting Star Flash wireless frame type 1 for broadcast access, and switching to Star Flash wireless frame type 2 or Star Flash wireless frame type 3 through physical layer parameter negotiation after entering the connection state; or, when the type of the opposite device is a device that only supports Star Flash wireless frame type 1, or a device with a maximum transmission power greater than the first power threshold, selecting Star Flash wireless frame type 1 for broadcast access; or, when the service type of the opposite device is IOT ultra-long-distance coverage service, when the distance between the opposite device and the communication device is greater than the first threshold, selecting Star Flash wireless frame type 4 for broadcast and connection, or, when the distance between the opposite device and the communication device is less than or equal to
  • the present application further provides a communication device 360 for realizing the transmission of star flash signals.
  • the communication device 360 may include: a module for receiving first data from a management node via a first receiving power in a first time period of a first superframe; a module for receiving second data from a management node via a second receiving power in a second time period of the first superframe; wherein the modulation order of the first data is greater than the modulation order of the second data; and the first receiving power is different from the second receiving power.
  • the module for receiving the first data and the second data may be a communication module 3601, and the module for processing the received first data and the second data may be a processing module 3602.
  • the communication device 360 may include: a module for receiving first data from the management node at a first receive power within a second superframe; and a module for receiving second data from the management node at a second receive power within a third superframe; wherein the modulation order of the first data is greater than the modulation order of the second data; and the first receive power is different from the second receive power.
  • the module for receiving the first data and the second data may be the communication module 3601, and the module for processing the received first data and the second data may be the processing module 3602.
  • the communication module and processing module in the embodiment of the present application can be deployed in the Star Flash module, Bluetooth module or WiFi module at the same time; or, the communication module in the embodiment of the present application can be deployed in the Star Flash module, Bluetooth module or WiFi module, and the processing module in the embodiment of the present application can be deployed in other modules of the module where the processing module is located; or, the processing module in the embodiment of the present application can be deployed in the Star Flash module, Bluetooth module or WiFi module, and the communication module in the embodiment of the present application can be deployed in other modules of the module where the processing module is located.
  • the embodiment of the present application does not make specific limitations on this.
  • the communication device 360 is also used to realize the transmission of Bluetooth signals or WiFi signals, and at least one of the Star Flash module, Bluetooth module and WiFi module shares at least one of the RF unit, modem unit, MAC unit and CPU.
  • the communication device 360 is also used to realize the transmission of Bluetooth signals, but does not support the transmission of WiFi signals.
  • the Star Flash module and the Bluetooth module are located in the same subsystem of the communication device 360, and the subsystem and PMU are integrated in the communication device 360.
  • the communication device 360 is also used to realize the transmission of Bluetooth signals or WiFi signals. At least one of the Bluetooth modules or WiFi modules coexists and communicates with the Star Flash module through different antennas, and the coexistence strategy is channel avoidance.
  • the communication device 360 is further used to determine the type of the opposite device and/or the service delay of the opposite device, and determine the link corresponding to the opposite device and/or the service for data transmission according to the link selection strategy.
  • the communication device 360 is also used to: determine the type of the opposite device and/or the service delay of the opposite device, including: determining the type of the opposite device, the type of the opposite device includes an audio device type or a non-audio device type; when the type of the opposite device is an audio device type, determining the service delay of the opposite device.
  • the communication device 360 when the communication device 360 is a non-audio device, the communication device 360 is further configured to: transmit data via an asynchronous unicast or asynchronous multicast link.
  • the communication device 360 is also used to: determine the type of the opposite device and/or the service delay of the opposite device, and determine the frame format type corresponding to the type of the opposite device and/or the service type of the opposite device according to the frame format selection strategy; wherein the frame format type includes Star Flash Wireless Frame Type 1, Star Flash Wireless Frame Type 2, Star Flash Wireless Frame Type 3 or Star Flash Wireless Frame Type 4.
  • the communication device 360 is also used to: determine the type of the opposite device and/or the service delay of the opposite device, including: determining the type of the opposite device, the type of the opposite device includes an audio device type or a non-audio device type; when the type of the opposite device is an audio device type, determining the service delay of the opposite device.
  • the above-mentioned frame format selection strategy includes: when the service delay of the opposite device is less than the first duration, selecting Star Flash wireless frame type 1 for broadcast access, and switching to Star Flash wireless frame type 2 through physical layer parameter negotiation after the connection state; or, when the service delay of the opposite device is less than the first duration and the service anti-interference capability requirement is greater than the set threshold, selecting Star Flash wireless frame type 1 for broadcast access, and switching to Star Flash wireless frame type 2 or Star Flash wireless frame type 3 through physical layer parameter negotiation after entering the connection state; or, when the type of the opposite device is a device that only supports Star Flash wireless frame type 1, or a device with a maximum transmission power greater than the first power threshold, selecting Star Flash wireless frame type 1 for broadcast access; or, when the service type of the opposite device is IOT ultra-long-distance coverage service, when the distance between the opposite device and the communication device is greater than the first threshold, selecting Star Flash wireless frame type 4 for broadcast and connection, or, when the distance between the opposite device and the communication device is less than or equal to
  • the communication device 360 when the communication device 360 is a non-audio device, the communication device 360 is also used to: select Star Flash wireless frame type 1 for broadcast access, and after entering the connection state, switch to Star Flash wireless frame type 2 for data transmission through physical layer parameter negotiation.
  • the present application also provides a communication device as shown in Figure 37.
  • Both the management node and the terminal node can adopt the structure shown in Figure 37, or include the components shown in Figure 37.
  • Figure 37 is a schematic diagram of the composition of a communication device 3700 provided in an embodiment of the present application.
  • the communication device 3700 can be a management node or a chip or system-on-chip in a management node; it can also be a terminal node or a chip or system-on-chip in a terminal node.
  • the communication device 3700 includes a processor 3701, a transceiver 3702, and a communication line 3703.
  • Processor 3701 is a central processing unit (CPU), a general-purpose processor, a network processor (NP), a digital signal processor (DSP), a microprocessor, a microcontroller, a programmable logic device (PLD), or any combination thereof.
  • processor 3701 may also be other devices with processing capabilities, such as circuits, devices, or software modules, without limitation.
  • Transceiver 3702 is used to communicate with other devices or other communication networks. Such other communication networks may be Ethernet, radio access networks (RAN), wireless local area networks (WLAN), etc. Transceiver 3702 may be a module, circuit, transceiver, or any device capable of communication.
  • RAN radio access networks
  • WLAN wireless local area networks
  • the communication line 3703 is used to transmit information between the various components included in the communication device 3700.
  • the memory 3704 is used to store instructions, where the instructions may be computer programs.
  • the memory 3704 can be a read-only memory (ROM) or other types of static storage devices that can store static information and/or instructions, or a random access memory (RAM) or other types of dynamic storage devices that can store information and/or instructions, or an electrically erasable programmable read-only memory (EEPROM), a compact disc read-only memory (CD-ROM) or other optical disc storage, optical disc storage (including compressed optical disc, laser disc, optical disc, digital versatile disc, Blu-ray disc, etc.), magnetic disk storage media or other magnetic storage devices, etc., without limitation.
  • ROM read-only memory
  • RAM random access memory
  • EEPROM electrically erasable programmable read-only memory
  • CD-ROM compact disc read-only memory
  • CD-ROM compact disc read-only memory
  • optical disc storage including compressed optical disc, laser disc, optical disc, digital versatile disc, Blu-ray disc, etc.
  • magnetic disk storage media or other magnetic storage devices etc.
  • the memory 3704 can exist independently of the processor 3701 or can be integrated with the processor 3701.
  • the memory 3704 can be used to store instructions, program code, or some data.
  • the memory 3704 can be located within the communication device 3700 or outside the communication device 3700, without limitation.
  • the processor 3701 is configured to execute the instructions stored in the memory 3704 to implement the communication method provided in the following embodiments of this application.
  • the processor 3701 may include one or more CPUs, such as CPU0 and CPU1 in FIG. 37 .
  • the communication device 3700 includes multiple processors.
  • the processor 3701 in Figure 37 it may also include a processor 3707.
  • the communication device 3700 further includes an output device 3705 and an input device 3706.
  • the input device 3706 is a keyboard, a mouse, a microphone, or a joystick
  • the output device 3705 is a display screen, a speaker, or the like.
  • the chip system can be composed of chips, or can include chips and other discrete devices.
  • words such as “exemplary” or “for example” are used to indicate examples, illustrations, or descriptions. Any embodiment or design described as “exemplary” or “for example” in the embodiments of this application should not be construed as being preferred or advantageous over other embodiments or designs. Rather, the use of words such as “exemplary” or “for example” is intended to present the relevant concepts in a concrete manner to facilitate understanding.
  • sending information to ... (a terminal node) can be understood as the destination of the information being the terminal node. This may include sending information directly or indirectly to the terminal node.
  • receiving information from ... (a terminal node) can be understood as the source of the information being the terminal node. This may include receiving information directly or indirectly from the terminal node. The information may undergo necessary processing between the source and destination, such as formatting changes, but the destination can still understand the valid information from the source.
  • the disclosed devices and methods can be implemented in other ways.
  • the device embodiments described above are merely schematic.
  • the division of the modules or units is merely a logical function division.
  • Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separate, and the components shown as units may be one physical unit or multiple physical units, that is, they may be located in one place or distributed in multiple places. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • the functional units in the various embodiments of the present application may be integrated into a single processing unit, or each unit may exist physically separately, or two or more units may be integrated into a single unit.
  • the aforementioned integrated units may be implemented in the form of hardware or software functional units.
  • the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a readable storage medium.
  • the technical solution of the embodiment of the present application or all or part of the technical solution can be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for enabling a device (which can be a single-chip microcomputer, chip, etc.) or a processor to execute all or part of the steps of the method described in each embodiment of the present application.
  • the aforementioned storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé et un appareil de communication se rapportant au domaine technique des communications et permettant d'obtenir une conception ciblée pour la commande de puissance et la plage de couverture d'un canal de données d'ordre inférieur et d'un canal de données d'ordre supérieur, ce qui améliore les performances de communication d'un système de communication. Le procédé consiste à : envoyer, pendant une première période d'une première supertrame, des premières données à un nœud terminal à une première puissance de transmission ; et envoyer, pendant une seconde période de la première supertrame, des secondes données au nœud terminal à une seconde puissance de transmission, l'ordre de modulation des premières données étant supérieur à celui des secondes données, et la première puissance de transmission étant différente de la seconde puissance de transmission.
PCT/CN2025/080552 2024-03-29 2025-03-04 Procédé et appareil de communication Pending WO2025200965A1 (fr)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170027001A1 (en) * 2014-03-11 2017-01-26 Lg Electronics Inc. Method and apparatus for transmitting frame in wireless lan
CN107659530A (zh) * 2012-06-14 2018-02-02 华为技术有限公司 数据发射方法及设备
CN114698075A (zh) * 2020-12-26 2022-07-01 华为技术有限公司 Wlan设备间的信息发送方法和装置
WO2023070654A1 (fr) * 2021-11-01 2023-05-04 华为技术有限公司 Procédé, appareil et système de communication sans fil à courte distance

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107659530A (zh) * 2012-06-14 2018-02-02 华为技术有限公司 数据发射方法及设备
US20170027001A1 (en) * 2014-03-11 2017-01-26 Lg Electronics Inc. Method and apparatus for transmitting frame in wireless lan
CN114698075A (zh) * 2020-12-26 2022-07-01 华为技术有限公司 Wlan设备间的信息发送方法和装置
WO2023070654A1 (fr) * 2021-11-01 2023-05-04 华为技术有限公司 Procédé, appareil et système de communication sans fil à courte distance

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