WO2021184170A1 - 数据传输方法、装置、通信设备及存储介质 - Google Patents
数据传输方法、装置、通信设备及存储介质 Download PDFInfo
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- WO2021184170A1 WO2021184170A1 PCT/CN2020/079548 CN2020079548W WO2021184170A1 WO 2021184170 A1 WO2021184170 A1 WO 2021184170A1 CN 2020079548 W CN2020079548 W CN 2020079548W WO 2021184170 A1 WO2021184170 A1 WO 2021184170A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- 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
- H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
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- 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
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- 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
- H04W72/1273—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
- H04W72/231—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
- H04W72/232—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1887—Scheduling and prioritising arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1896—ARQ related signaling
Definitions
- the present disclosure relates to the field of communication technology, and in particular to a data transmission method, device, communication equipment and storage medium.
- the terminal device can improve the robustness of communication by receiving the data of a certain channel repeatedly sent by the network device.
- multi-TRP/panel (multi-TRP/panel) based on inter-cell transmission has been proposed, so that the terminal device can receive the Physical Downlink Shared Channel (PDSCH) repeatedly sent by the network device.
- PDSCH Physical Downlink Shared Channel
- the data of data channels such as PDSCH is scheduled for transmission by the Physical Downlink Control CHannel (PDCCH).
- PDCH Physical Downlink Control CHannel
- the related technology does not provide a better solution on how to combine the control channel and the data channel for transmission. plan.
- the embodiments of the present disclosure provide a data transmission method, device, communication equipment, and storage medium, which improve the robustness of communication through joint repeated transmission of a control channel and a data channel.
- the technical solution is as follows:
- a data transmission method which is applied to a terminal device, and the method includes:
- the at least two PDCCHs transmit the same content, or the at least two data channels transmit the same content, or the at least two PDCCHs transmit the same content and the at least two data channels transmit the same content. content.
- a data transmission method which is applied to a network device, and the method includes:
- the at least two PDCCHs transmit the same content, or the at least two data channels transmit the same content, or the at least two PDCCHs transmit the same content and the at least two data channels transmit the same content. content.
- a data transmission device comprising: a transmission module;
- the transmission module is configured to receive at least two PDCCHs and transmit at least two data channels, and the at least two data channels are scheduled for transmission by the at least two PDCCHs;
- the at least two PDCCHs transmit the same content, or the at least two data channels transmit the same content, or the at least two PDCCHs transmit the same content and the at least two data channels transmit the same content. content.
- a data transmission device comprising: a transmission module;
- the transmission module is configured to transmit at least two PDCCHs and transmit at least two data channels, and the at least two data channels are scheduled for transmission by the at least two PDCCHs;
- the at least two PDCCHs transmit the same content, or the at least two data channels transmit the same content, or the at least two PDCCHs transmit the same content and the at least two data channels transmit the same content. content.
- a terminal device comprising: a processor; a transceiver connected to the processor; a memory for storing executable instructions of the processor; The processor is configured to load and execute the executable instructions to implement the data transmission method as described in the foregoing aspects.
- a network device comprising: a processor; a transceiver connected to the processor; a memory for storing executable instructions of the processor; The processor is configured to load and execute the executable instructions to implement the data transmission method as described in the foregoing aspects.
- a computer-readable storage medium is provided, and executable instructions are stored in the readable storage medium, and the executable instructions are loaded and executed by the processor to implement the aforementioned aspects.
- Data transfer method is provided.
- At least two PDCCHs and at least two data channels can be transmitted, the same content can be transmitted through at least two PDCCHs, or the same content can be transmitted through at least two data channels, or, at least two The PDCCH transmits the same content and at least two data channels transmit the same content, so as to realize joint repeated transmission of the control channel and the data channel, which improves the robustness of communication.
- Fig. 1 is a block diagram of a communication system provided by an exemplary embodiment of the present disclosure
- FIG. 2 is a schematic diagram of data transmission based on multiple TRPs or multiple antenna panels (multi-TRP/panel) provided by an exemplary embodiment of the present disclosure
- Fig. 3 is a flowchart of a data transmission method provided by an exemplary embodiment of the present disclosure
- FIG. 4 is a schematic diagram of a data transmission method provided by an exemplary embodiment of the present disclosure.
- Fig. 5 is a schematic diagram of a data transmission method provided by an exemplary embodiment of the present disclosure.
- Fig. 6 is a block diagram of a data transmission device provided by an exemplary embodiment of the present disclosure.
- Fig. 7 is a block diagram of a data transmission device provided by an exemplary embodiment of the present disclosure.
- Fig. 8 is a block diagram of a communication device provided by an exemplary embodiment of the present disclosure.
- FIG. 1 shows a block diagram of a communication system provided by an exemplary embodiment of the present disclosure.
- the communication system may include: an access network 12 and a terminal device 14.
- the access network 12 includes several network devices 120.
- the network device 120 may be a base station, which is a device deployed in an access network to provide wireless communication functions for terminal devices.
- the base station may include various forms of macro base stations, micro base stations, relay stations, access points, and so on.
- the names of devices with base station functions may be different. For example, in LTE systems, they are called eNodeB or eNB; in 5G NR systems, they are called gNodeB or gNB.
- the description of "base station” may change.
- the above-mentioned devices that provide wireless communication functions for the terminal device 14 are collectively referred to as network devices.
- the terminal device 14 may include various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to a wireless modem, as well as various forms of user equipment, and mobile stations (Mobile Station, MS). , Terminal (terminal device) and so on.
- Terminal terminal device
- the network device 120 and the terminal device 14 communicate with each other through a certain air interface technology, such as a Uu interface.
- GSM Global System of Mobile Communication
- CDMA Code Division Multiple Access
- WCDMA broadband code division multiple access
- GSM Global System of Mobile Communication
- GPRS General Packet Radio Service
- LTE Long Term Evolution
- FDD Frequency Division Duplex
- TDD Time Division Duplex
- LTE-A Advanced Long Term Evolution
- NR New Radio
- UMTS Universal Mobile Telecommunication System
- WiMAX Worldwide Interoperability for Microwave Access
- WiMAX Wireless Local Area Networks
- WLAN Wireless Fidelity
- D2D Device to Device
- M2M Machine to Machine
- MTC machine type communication
- V2V vehicle to vehicle
- V2X vehicle networking
- the aforementioned network device 120 may include N transmission reception points (Transmission Reception Points, TRP).
- TRP Transmission Reception Points
- Fig. 2 shows a schematic diagram of data transmission based on multiple transmission receiving points or multiple antenna panels (multi-TRP/panel) provided by an exemplary embodiment of the present disclosure.
- the terminal device 210 is in a serving cell and also in a neighboring cell.
- each cell can be covered by more than one transmission and reception point.
- the serving cell is jointly covered by the transmission receiving point 1 and the transmission receiving point 2, thereby increasing the coverage radius of the serving cell.
- the neighboring cell is covered by the transmission receiving point 3.
- Each transmission and reception point can be provided with more than one antenna panel (panel). Different antenna panels can have different orientations, so that beams of different transmission directions can be sent and received, thereby realizing multi-space diversity.
- the transmission receiving point 1 and the transmission receiving point 2 each include an antenna panel: the transmission receiving point 1 includes the antenna panel 1, the transmission receiving point 2 includes the antenna panel 2; the transmission receiving point 3 includes two antenna panels: antennas Panel 3 and antenna panel 4.
- the network device may use multiple antenna panels (the multiple antenna panels may come from the same transmission and reception point or different transmission and reception points) to simultaneously transmit the PDCCH to the terminal device 210.
- the transmission directions of different antenna panels are different, so the terminal device 210 also needs to use different antenna panels to receive PDCCH, then the network device needs to indicate different transmission configuration indication (Transmission Configuration Indication, TCI) status to the terminal device.
- TCI Transmission Configuration Indication
- Each TCI state corresponds to a receiving beam direction on each antenna panel of the terminal device.
- the network device may indicate the TCI status of type D through signaling, so as to inform the terminal device 210 of the receiving beam to be used when receiving.
- each TCI state corresponds to a reference signal (Reference Signal, RS) identifier
- the RS can be either a non-zero power channel state information reference signal (Channel State Information Reference Signal, CSI-RS) or a synchronization signal block (Synchronization Signal).
- Signal Block, SSB can also be a sounding reference signal (Sounding Reference Signal, SRS).
- the terminal device 210 uses the Rx beam used when the received power is the largest when the RS corresponding to the RS identifier contained in the TCI status information is received, and receives the PDCCH, as shown in Table 1.
- TCI status information RS index TCI#0 SSB index#1 TCI#1 SSB index#2 TCI#2 CSI-RS index#5
- the network device informs the terminal device 210 to use TCI#0, it tells the terminal device 210 to use Rxbeam when the received power is the maximum when receiving SSB index#1 to receive the PDCCH.
- the network device can also indicate beam information by indicating spatial relation information (Spatial Relation info).
- Each spatial relationship information corresponds to an RS identifier, and the RS may be a non-zero power CSI-RS, an SSB, or an SRS.
- FIG. 3 shows a schematic diagram of a data transmission method provided by an exemplary embodiment of the present application, which can be applied to the terminal device and the network device shown in FIG. 1.
- the method includes:
- Step 310 The network device sends at least two PDCCHs to the terminal device.
- the terminal device receives at least two PDCCHs.
- PDCCH is a downlink control channel sent by network equipment to terminal equipment.
- the PDCCH carries scheduling and other control information, specifically including at least one of transmission format, resource allocation, uplink scheduling permission, power control, and retransmission information.
- Step 320 At least two data channels are transmitted between the terminal device and the network device.
- At least two data channels are scheduled for transmission by at least two PDCCHs.
- At least two PDCCHs and at least two data channels adopt joint repeated transmission, that is: at least two PDCCHs transmit the same content, or at least two data channels transmit the same content, or at least two PDCCHs transmit the same content And at least two data channels transmit the same content.
- One PDCCH can schedule one data channel, and one data channel can be the only data channel; it can also be a collection of the same data channel that is repeatedly transmitted in mini-slots or slots.
- At least two PDCCHs transmit the same content means that at least two PDCCHs carry the same Downlink Control Information (DCI) signaling.
- DCI Downlink Control Information
- data transmission between the terminal device and one or more antenna panels can be scheduled, and multiple antenna panels can belong to the same transmission reception point or different transmission reception points or different cells.
- the data channel may be a downlink data channel sent by the network device to the terminal device, or an uplink data channel sent by the terminal device to the network device, which is not limited in the present disclosure. If at least two data channels are downlink data channels sent from the network device to the terminal device, the network device sends at least two data channels, and the terminal device receives at least two data channels; if at least two data channels are sent from the terminal device to the Network equipment, the terminal equipment sends at least two data channels, and the network equipment receives at least two data channels.
- At least two data channels transmit the same content means that each data channel transmits the same data. If at least two data channels are uplink data channels, at least two data channels transmit the same uplink data; if at least two data channels are downlink data channels, then at least two data channels transmit the same downlink data.
- Step 310 may be implemented before step 320, and some steps in step 310 may also be implemented after some steps in step 320. For example, after the "transmit at least two PDCCHs" in step 310 is completed, perform the "transmit at least two data channels" in step 320; or after sending one PDDCH in step 310, perform the corresponding steps in step 320 first. For the transmission of the data channel, proceed to step 310 to perform PDCCH transmission.
- the method provided in this embodiment can transmit at least two PDCCHs and transmit at least two data channels between a terminal device and a network device, and transmit the same content through at least two PDCCHs, or, at least two PDCCHs.
- the data channel transmits the same content, or at least two PDCCHs transmit the same content and at least two data channels transmit the same content, so as to realize joint and repeated transmission of the control channel and the data channel, thereby improving the robustness of communication.
- the network device and the terminal device may be based on multiple transmission receiving points or multiple antenna panels (multi-TRP/panel), and the joint repetition of the control channel and the data channel through multi-beam transmission.
- the following explains the transmission of at least two PDCCHs through multi-beam based on multi-TRP/panel.
- the network device uses different transmission beams to transmit at least two PDCCHs.
- the terminal device uses different receiving beams to receive at least two PDCCHs.
- At least two PDCCHs are from different cells. In another possible design, at least two PDCCHs are from different transmission and reception points in the same cell. In another possible design, at least two PDCCHs are from different antenna panels at the same transmission and reception point.
- the network device sends at least two PDCCHs through different cells.
- the network device transmits at least two PDCCHs through different transmission and reception points in the same cell.
- the network device transmits at least two PDCCHs through different antenna panels at the same transmission and reception point.
- At least two PDCCHs are sent by the network equipment through different antenna panels.
- Different antenna panels can belong to different cells, can also belong to different transmission and reception points in the same cell, or can belong to different antenna panels in the same transmission and reception point. Since different antenna panels have different transmission directions, the terminal device also needs to use different antenna panels (corresponding to different receiving beams) to receive at least two PDCCHs.
- the at least two PDCCHs include: a first PDCCH and a second PDCCH.
- the first PDCCH is from the serving cell
- the second PDCCH is from the neighboring cell.
- the network equipment uses the transmission beam a and the transmission beam b to respectively send the above two PDCCHs
- the terminal equipment uses the corresponding reception beam c
- the reception beam d respectively receives the above two PDCCHs.
- the terminal device may determine the receiving beam through TCI status information, or spatial relation information (spatial relation info).
- the process for the terminal device to determine the receiving beam through TCI state information (or spatial relationship information) may include: the network device notifies the terminal device of at least one TCI state information (or spatial relationship information) through Radio Resource Control (RRC) signaling , Including the identifier of TCI status information (or spatial relationship information) and its corresponding RS type and RS identifier; if RRC signaling informs multiple TCI status information (or spatial relationship information), the network equipment reuses media access control (Medium Access Control, MAC) signaling activates one TCI state information (or spatial relationship information) of the above multiple TCI state information (or spatial relationship information), and the activated TCI state information (or spatial relationship information) is
- the network device configures the PDCCH transmission state (or spatial relationship information) of the terminal device, that is, informs the terminal device that the receiving beam used when receiving the PDCCH should be the same as the receiving power used when the RS
- At least two PDCCHs transmit different content.
- At least two data channels transmit different content.
- At least two PDCCHs transmit different content, which may include any of the following situations:
- At least two PDCCHs are from different cells, and the at least two PDCCHs respectively schedule data transmission between the terminal equipment and the cells corresponding to the at least two PDCCHs;
- At least two PDCCHs are from different transmission receiving points in the same cell, and at least two PDCCHs respectively schedule data transmission between the terminal equipment and the transmission receiving points corresponding to the at least two PDCCHs;
- At least two PDCCHs are from different antenna panels of the same transmission receiving point, and the at least two PDCCHs respectively schedule data transmission between the terminal device and the antenna panels corresponding to the at least two PDCCHs.
- the data channel may be a physical downlink shared channel (Physical Downlink Shared CHannel, PDSCH), or a physical uplink shared channel (Physical Uplink Shared CHannel, PUSCH).
- Physical Downlink Shared CHannel Physical Downlink Shared CHannel
- PUSCH Physical Uplink Shared CHannel
- the data channel is PDSCH.
- PDSCH is the main physical channel used for unicast data transmission. It is also used to transmit paging messages, random access response messages and some system information.
- the network device transmits at least two PDSCHs; wherein, the at least two PDCCHs carry receiving beam information indicating that the terminal device receives the at least two PDSCHs.
- the terminal device receives at least two PDSCHs according to the received beam information indicated by the at least two PDCCHs.
- At least two PDSCHs are scheduled for transmission by at least two PDCCHs.
- one PDCCH can schedule one PDSCH; it can also schedule a collection of PDSCHs that are repeatedly transmitted using mini-slots or slots. Since at least two PDCCHs carry reception beam information, the terminal device can receive at least two PDSCHs according to the received beam information indicated by the received at least two PDCCHs.
- At least two PDSCHs are from different cells. In another possible design, at least two PDSCHs are from different transmission and reception points in the same cell. In another possible design, at least two PDSCHs are from different antenna panels at the same transmission and reception point.
- the network device transmits at least two PDSCHs through different cells. In another possible design, the network device transmits at least two PDSCHs through different transmission and reception points in the same cell. In another possible design, the network device transmits at least two PDSCHs through different antenna panels at the same transmission and reception point.
- At least two PDSCHs are transmitted by network equipment through different antenna panels.
- Different antenna panels can belong to different cells, different transmission and reception points in the same cell, or different antenna panels in the same transmission and reception point. Since different antenna panels have different transmission directions, the terminal device also needs to use different antenna panels (corresponding to different receiving beams) to receive at least two PDSCHs.
- the at least two PDSCHs include: a first PDSCH and a second PDSCH.
- the first PDSCH comes from the serving cell
- the second PDSCH comes from a neighboring cell.
- the network equipment uses the transmission beam a and the transmission beam b to respectively send the above two PDSCHs
- the terminal equipment uses the corresponding reception beam c
- the reception beam d respectively receives the above two PDSCHs.
- the network device uses different transmission beams to transmit at least two PDSCHs.
- the terminal device determines different reception beams according to the reception beam information indicated by the at least two PDCCHs; and uses different reception beams to receive at least two PDSCHs.
- the received beam information may be TCI status information (or spatial relationship information).
- the process for the terminal device to determine the received beam through the TCI state information (or spatial relationship information) may include: the network device notifies the terminal device of at least one TCI state information (or spatial relationship information) through RRC signaling, including TCI state information (or spatial relationship information) Information) and its corresponding RS type and RS identifier; if RRC signaling informs multiple TCI status information (or spatial relationship information), the network device then uses MAC signaling to activate the above multiple TCI status information (or spatial relationship information).
- the terminal can use the multiple different receiving beams determined above to receive at least two PDSCHs.
- the data channel is PUSCH.
- PUSCH is the uplink corresponding channel of PDSCH.
- the uplink component carrier of each terminal device has at most one PUSCH.
- the terminal device transmits at least two PUSCHs according to the transmission beam information indicated by the at least two PDCCHs.
- the network device receives at least two PUSCHs; wherein, the at least two PUSCHs are sent by the terminal device according to the transmission beam information indicated by the at least two PDCCHs.
- At least two PUSCHs are scheduled for transmission by at least two PDCCHs.
- one PDCCH can schedule one PUSCH, and can also schedule a set of PUSCHs that are repeatedly transmitted in mini-slots or slots. Since at least two PDCCHs carry transmission beam information, the terminal device can transmit at least two PUSCHs according to the received transmission beam information indicated by the at least two PDCCHs.
- At least two PUSCHs are sent to different cells. In another possible design, at least two PUSCHs are sent to different transmission and reception points in the same cell. In another possible design, at least two PUSCHs are sent to different antenna panels at the same transmission and reception point.
- the network device receives at least two PUSCHs through different cells. In another possible design, the network device receives at least two PUSCHs through different transmission and reception points in the same cell. In another possible design, the network device receives at least two PUSCHs through different antenna panels at the same transmission and reception point.
- the at least two PUSCHs are transmitted by the terminal device through different antenna panels according to the transmission beam information indicated by the at least two PDCCHs.
- the network equipment receives through different antenna panels. Different antenna panels can belong to different cells, different transmission and reception points in the same cell, or different antenna panels in the same transmission and reception point. Since different antenna panels of the terminal equipment have different transmission directions, the network equipment also needs to use different antenna panels (corresponding to different receiving beams) to receive at least two PUSCHs.
- the at least two PUSCHs include: a first PUSCH and a second PUSCH.
- the first PUSCH comes from the antenna panel 1 of the terminal device
- the second PUSCH comes from the antenna panel 2 of the terminal device.
- the terminal device uses the transmission beam a and the transmission beam b to respectively send the above two PUSCHs
- the network device uses the corresponding reception beam c
- the reception beam d respectively receives the above two PUSCHs.
- the terminal device determines different transmission beams according to the transmission beam information indicated by the at least two PDCCHs; and uses different transmission beams to transmit at least two PUSCHs.
- the network device uses different receiving beams to receive at least two PUSCHs.
- the transmitted beam information may be spatial relationship information (or TCI status information).
- the process for the terminal device to determine the transmission beam through the spatial relationship information (or TCI state information) may include: the network device notifies the terminal device of at least one piece of spatial relationship information (or TCI state information) through RRC signaling, including spatial relationship information (or TCI state information) Information) and its corresponding RS type and RS identifier; if RRC signaling informs multiple spatial relationship information (or TCI status information), the network device then uses MAC signaling to activate the multiple spatial relationship information (or TCI status information).
- the terminal device uses DCI signaling to indicate one of the M pieces of spatial relationship information (or TCI state information), and the indicated spatial relationship information (or TCI state information) Information) is the spatial relationship information (or TCI state information) of the PUSCH that the network device sends to the terminal device, that is, it informs the terminal device that the transmission beam used when sending the PUSCH should correspond to the RS location corresponding to the spatial relationship information (or TCI state information).
- the used transmission beam is the same or the transmission beam corresponding to the reception beam when the terminal device receives the RS corresponding to the TCI state is the same. After that, the terminal can use the multiple different transmission beams determined above to transmit at least two PUSCHs.
- At least two PDCCHs are adjacent in the time domain position; or, the first PDCCH and the first data channel are adjacent in the time domain position; wherein the first data channel is scheduled for transmission by the first PDCCH, and the first PDCCH is at least two Any one of the PDCCHs.
- the at least two PDCCHs include: PDCCH 1, PDCCH 2, PDCCH 3.
- At least two data channels include: PDSCH 1, PDSCH 2, and PDSCH 3.
- PDSCH1 is scheduled for transmission by PDCCH1;
- PDSCH2 is scheduled for transmission by PDCCH2;
- PDSCH3 is scheduled for transmission by PDCCH3.
- two or three of PDCCH 1, PDCCH 2, PDCCH 3 send the same content, that is, two or three of PDSCH 1, PDSCH 2, and PDSCH 3 are scheduled at the same time, such as: PDCCH 1 and PDCCH 2 are sent With the same content, PDSCH 1 and PDSCH 2 are scheduled at the same time.
- the positions of the above 6 channels in the time domain can be: PDCCH 1, PDCCH 2, PDCCH 3, PDSCH 1, PDSCH 2, PDSCH 3, corresponding to at least two PDCCHs adjacent to each other in the time domain; or: PDCCH 1, PDSCH 1, PDCCH 2, PDSCH 2, PDCCH 3, PDSCH 3, corresponding to the first PDCCH and the first data channel adjacent in the time domain position.
- the at least two PDCCHs include a second PDCCH and a third PDCCH
- the at least two data channels include a second data channel set and a third data channel set
- the sequence of the time domain positions of the second PDCCH, the third PDCCH, the second data channel set, and the third data channel set includes: the second PDCCH, the third PDCCH, the second data channel set, and the third data channel set; or, the first Two PDCCH, second data channel set, third PDCCH, third data channel set; wherein, the second data channel set is scheduled for transmission by the second PDCCH, and the third data channel set is scheduled for transmission by the third PDCCH.
- the second PDCCH and the third PDCCH send the same content, and the second data channel set and the third data channel set are scheduled at the same time.
- the second data channel set may include one second data channel or multiple repeated second data channels scheduled for transmission by the second PDCCH (or the second PDCCH and the third PDCCH).
- the second data channel set includes: a second data channel.
- the second data channel set includes: a second data channel, a second data channel, and a second data channel.
- the second data channel set is invoked by the second PDCCH (or the second PDCCH and the third PDCCH)
- the second data channel set includes: data of the second data channel.
- the second data channel set includes: data of the second data channel, data of the second data channel, and data of the second data channel.
- the third data channel set may include one third data channel or multiple repeated third data channels scheduled for transmission by the third PDCCH (or the second PDCCH and the third PDCCH).
- the third data channel set includes: a third data channel.
- the third data channel set includes: a third data channel, a third data channel, and a third data channel.
- the third data channel set is the third PDCCH (or the second PDCCH and the third PDCCH) using micro Time slot mode or data channel transmitted in time slot mode.
- the third data channel set includes: data of the third data channel.
- the third data channel set includes: data of the third data channel, data of the third data channel, and data of the third data channel.
- the second PDCCH is PDCCH#1
- the third PDCCH is PDCCH#2
- the second data channel set includes a second PDCCH (or second PDCCH and third PDCCH) scheduled for transmission.
- the second data channel data #1, the third data channel set includes a third data channel data #2 scheduled for transmission by the third PDCCH (or the second PDCCH and the third PDCCH).
- the order of the time domain positions of the second PDCCH, the third PDCCH, the second data channel set, and the third data channel set may be: PDCCH#1, PDCCH#2, data#1 , Data #2, corresponding to the second PDCCH, the third PDCCH, the second data channel set, and the third data channel set.
- the order of the time domain positions of the second PDCCH, the third PDCCH, the second data channel set, and the third data channel set may be: PDCCH#1, data#1, PDCCH#2 , Data #2, corresponding to the second PDCCH, the second data channel set, the third PDCCH, and the third data channel set.
- the second PDCCH is PDCCH#1
- the third PDCCH is PDCCH#2
- the second data channel set includes two scheduled transmissions by the second PDCCH (or the second PDCCH and the third PDCCH).
- the second data channel data #11 and data #12 are repeatedly transmitted, and the third data channel set includes 2 repeated third data channel data #21 scheduled for transmission by the third PDCCH (or the second PDCCH and the third PDCCH).
- data #22 data #22.
- the order of the time domain positions of the second PDCCH, the third PDCCH, the second data channel set, and the third data channel set may be: PDCCH#1, PDCCH#2, data#11 , Data #12, Data #21, Data #22, corresponding to the second PDCCH, the third PDCCH, the second data channel set, and the third data channel set.
- the order of the time domain positions of the second PDCCH, the third PDCCH, the second data channel set, and the third data channel set may be: PDCCH#1, data#11, data#12 , PDCCH#2, Data#21, Data#22, corresponding to the second PDCCH, the second data channel set, the third PDCCH, and the third data channel set.
- each channel may occupy one time slot (slot), or every n channels may occupy one time slot, and n is a positive integer.
- a time slot is a basic unit in the time domain for scheduling, and the time length of different time slots corresponds to different subcarrier intervals in the frequency domain. The present disclosure does not limit the time length of the time slot used.
- PDCCH#1, PDCCH#2, data #1, and data #2 may occupy one time slot respectively; PDCCH#1 and PDCCH#2 may also occupy one time slot, Data #1 and Data #2 occupy one time slot; PDCCH #1, PDCCH #2, Data #1, and Data #2 may also occupy one time slot.
- PDCCH#1, Data#1, PDCCH#2, and Data#2 may occupy one time slot respectively; PDCCH#1 and Data#1 may also occupy one time slot, PDCCH#2 and data #2 occupy one time slot; PDCCH#1, data #1, PDCCH#2, and data #2 may also occupy one time slot.
- PDCCH#1, data #11, data #12, PDCCH#2, data #21, and data #22 may occupy one time slot respectively; or PDCCH#1 and Data #11, Data #12 occupies one time slot, PDCCH #2, Data #21, Data #22 occupies one time slot; PDCCH #1, data #11, data #12, PDCCH #2, data #21, Data #22 occupies one time slot.
- the terminal device is set with a beam switching time, the beam switching time is N symbols, and N is 0 or a positive integer.
- the terminal equipment performs beam switching during the beam switching time and cannot transmit PDCCH or data channels.
- antenna panel switching is required between data #1 and PDCCH#2. If the terminal does not need time to switch between antenna panels, then the terminal does not need to vacate symbols for beam switching; if the terminal It takes time to switch between antenna panels, so the terminal needs to vacate symbols for beam switching. And between PDCCH#1 and data #1, between PDCCH#2 and data #2, because the same antenna panel is used, in the case of using the same beam, between PDCCH#1 and data #1, PDCCH# There is no need for beam switching time between 2 and data #2; in the case of using different beams, L symbols are required for beams between PDCCH #1 and data #1, and between PDCCH #2 and data #2 Switch, L is a natural number.
- the method provided in this embodiment can transmit at least two PDCCHs and transmit at least two data channels between a terminal device and a network device, and transmit the same content through at least two PDCCHs, or, at least two PDCCHs.
- the data channel transmits the same content, or at least two PDCCHs transmit the same content and at least two data channels transmit the same content, so as to realize joint and repeated transmission of the control channel and the data channel, thereby improving the robustness of communication.
- the method provided in this embodiment explains in detail the joint repeated transmission of control channels and data channels between network equipment and terminal equipment through multiple beams.
- This data transmission method can support multi-TRP/panel-based data transmission. , Suitable for future evolution, and further improve the robustness of communication.
- FIG. 6 shows a structural block diagram of a data transmission device provided by an exemplary embodiment of the present disclosure.
- the device can be implemented as a terminal device or as a part of a terminal device.
- the device includes: a transmission module 601;
- the transmission module 601 is configured to receive at least two PDCCHs and transmit at least two data channels, and the at least two data channels are scheduled for transmission by the at least two PDCCHs;
- At least two PDCCHs transmit the same content, or at least two data channels transmit the same content, or at least two PDCCHs transmit the same content and at least two data channels transmit the same content.
- the transmission module 601 is configured to use different receiving beams to receive at least two PDCCHs.
- At least two PDCCHs are from different cells; or, at least two PDCCHs are from different transmission and reception points of the same cell; or, at least two PDCCHs are from different antenna panels of the same transmission and reception point.
- At least two PDCCHs transmit different content; at least two PDCCHs are from different cells, and at least two PDCCHs respectively schedule data transmission between the terminal equipment and the cells corresponding to the at least two PDCCHs; at least Two PDCCHs are from different transmission and reception points, at least two PDCCHs are respectively scheduled for data transmission between terminal equipment and transmission and reception points corresponding to at least two PDCCHs; at least two PDCCHs are from different antenna panels, and at least two PDCCHs are scheduled separately Data transmission between the terminal equipment and the antenna panels corresponding to at least two PDCCHs.
- the data channel is PDSCH; the transmission module 601 is configured to receive at least two PDSCHs according to the received beam information indicated by the at least two PDCCHs.
- the device further includes a determining module 602; the determining module 602 is configured to determine different receive beams according to the received beam information indicated by the at least two PDCCHs; the transmission module 601 is configured to use different Receive at least two PDSCHs in the receiving beam.
- At least two PDSCHs are from different cells; or, at least two PDSCHs are from different transmission and reception points of the same cell; or, at least two PDSCHs are from different antenna panels of the same transmission and reception point.
- the data channel is PUSCH; the transmission module 601 is configured to transmit at least two PUSCHs according to the transmission beam information indicated by the at least two PDCCHs.
- the device further includes a determining module 602; the determining module 602 is configured to determine different transmission beams according to the transmission beam information indicated by the at least two PDCCHs; the transmission module 601 is configured to use different transmission beams.
- the transmission module 601 is configured to send at least two PUSCHs to different cells; or, the transmission module 601 is configured to send at least two PUSCHs to different transmission reception points in the same cell; or , The transmission module 601 is configured to send at least two PUSCHs to different antenna panels at the same transmission receiving point.
- At least two PDCCHs are adjacent in time domain position; or, the first PDCCH and the first data channel are adjacent in time domain position; wherein, the first data channel is scheduled by the first PDCCH For transmission, the first PDCCH is any one of the at least two PDCCHs.
- the at least two PDCCHs include a second PDCCH and a third PDCCH
- the at least two data channels include a second data channel set and a third data channel set
- the second PDCCH, the third PDCCH, and the second PDCCH The sequence of the time domain positions of the data channel set and the third data channel set includes: the second PDCCH, the third PDCCH, the second data channel set, the third data channel set; or, the second PDCCH, the second data channel, and the third data channel set.
- PDCCH and third data channel wherein, the second data channel set is scheduled for transmission by the second PDCCH, and the third data channel set is scheduled for transmission by the third PDCCH.
- the terminal device is set with a beam switching time, the beam switching time is N symbols, and N is 0 or a positive integer.
- FIG. 7 shows a structural block diagram of a data transmission device provided by an exemplary embodiment of the present disclosure.
- the device can be implemented as a network device, or can be implemented as a part of a network device, and the device includes: a transmission module 701;
- the transmission module 701 is configured to transmit at least two PDCCHs and transmit at least two data channels, and the at least two data channels are scheduled for transmission by the at least two PDCCHs;
- At least two PDCCHs transmit the same content, or at least two data channels transmit the same content, or at least two PDCCHs transmit the same content and at least two data channels transmit the same content.
- the transmission module 701 is configured to use different transmission beams to transmit at least two PDCCHs.
- the transmission module 701 is configured to send at least two PDCCHs through different cells; or, the transmission module 701 is configured to send at least two PDCCHs through different transmission receiving points in the same cell; or , The transmission module 701 is configured to transmit at least two PDCCHs through different antenna panels of the same transmission receiving point.
- At least two PDCCHs transmit different content; in a case where at least two PDCCHs are transmitted through different cells, the at least two PDCCHs are respectively scheduled between the terminal equipment and the cells corresponding to the at least two PDCCHs.
- Data transmission in the case of sending at least two PDCCHs through different transmission and reception points, at least two PDCCHs respectively schedule data transmission between the terminal equipment and the transmission and reception points corresponding to the at least two PDCCHs; when using different antenna panels
- the at least two PDCCHs respectively schedule data transmission between the terminal device and the antenna panels corresponding to the at least two PDCCHs.
- the data channel is PDSCH; the transmission module 701 is configured to send at least two PDSCHs; wherein, the at least two PDCCHs carry reception beam information indicating that the terminal device receives at least two PDSCHs.
- the transmission module 701 is configured to use different transmission beams to transmit at least two PDSCHs.
- the transmission module 701 is configured to send at least two PDSCHs through different cells; or, the transmission module 701 is configured to send at least two PDSCHs through different transmission reception points in the same cell; or , The transmission module 701 is configured to transmit at least two PDSCHs through different antenna panels of the same transmission and reception point.
- the data channel is PUSCH; the transmission module 701 is configured to receive at least two PUSCHs; wherein, the at least two PUSCHs are transmitted by the terminal device according to the transmission beam information indicated by the at least two PDCCHs.
- the transmission module 701 is configured to use different receiving beams to receive at least two PUSCHs.
- the transmission module 701 is configured to receive at least two PUSCHs through different cells; or, the transmission module 701 is configured to receive at least two PUSCHs through different transmission and reception points in the same cell; or , The transmission module 701 is configured to receive at least two PUSCHs through different antenna panels of the same transmission receiving point.
- At least two PDCCHs are adjacent in time domain position; or, the first PDCCH and the first data channel are adjacent in time domain position; wherein, the first data channel is scheduled by the first PDCCH For transmission, the first PDCCH is any one of the at least two PDCCHs.
- the at least two PDCCHs include a second PDCCH and a third PDCCH
- the at least two data channels include a second data channel set and a third data channel set
- the second PDCCH, the third PDCCH, and the second PDCCH The sequence of the time domain position of the data channel set and the third data channel set includes: the second PDCCH, the third PDCCH, the second data channel set, the third data channel set; or, the second PDCCH, the second data channel set, the first Three PDCCH and third data channel set; wherein, the second data channel set is scheduled for transmission by the second PDCCH, and the third data channel set is scheduled for transmission by the third PDCCH.
- FIG. 8 shows a schematic structural diagram of a communication device (terminal device or network device) provided by an exemplary embodiment of the present application.
- the communication device includes: a processor 101, a receiver 102, a transmitter 103, a memory 104, and a bus 105.
- the processor 101 includes one or more processing cores, and the processor 101 executes various functional applications and information processing by running software programs and modules.
- the receiver 102 and the transmitter 103 may be implemented as a communication component, and the communication component may be a communication chip.
- the memory 104 is connected to the processor 101 through a bus 105.
- the memory 104 may be used to store at least one instruction, and the processor 101 is used to execute the at least one instruction to implement each step in the foregoing method embodiment.
- the memory 104 can be implemented by any type of volatile or non-volatile storage device or a combination thereof.
- the volatile or non-volatile storage device includes, but is not limited to: magnetic disks or optical disks, electrically erasable and programmable Read Only Memory (Erasable Programmable Read Only Memory, EEPROM), Erasable Programmable Read Only Memory (EPROM), Static Random Access Memory (SRAM), Read Only Memory (Read -Only Memory, ROM), magnetic memory, flash memory, Programmable Read-Only Memory (PROM).
- a computer-readable storage medium stores at least one instruction, at least one program, code set, or instruction set, and the at least one instruction, the At least one program, the code set, or the instruction set is loaded and executed by the processor to implement the data transmission method performed by the communication device provided by the foregoing method embodiments.
- the program can be stored in a computer-readable storage medium.
- the storage medium mentioned can be a read-only memory, a magnetic disk or an optical disk, etc.
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Abstract
Description
| TCI状态信息 | RS index |
| TCI#0 | SSB index#1 |
| TCI#1 | SSB index#2 |
| TCI#2 | CSI-RS index#5 |
| TCI#3 | CSI-RS index#6 |
| …… | …… |
Claims (53)
- 一种数据传输方法,其特征在于,应用于终端设备中,所述方法包括:接收至少两个物理下行控制信道PDCCH和传输至少两个数据信道,所述至少两个数据信道由所述至少两个PDCCH调度传输;其中,所述至少两个PDCCH传输同样的内容,或,所述至少两个数据信道传输同样的内容,或,所述至少两个PDCCH传输同样的内容且所述至少两个数据信道传输同样的内容。
- 根据权利要求1所述的方法,其特征在于,所述接收至少两个物理下行控制信道PDCCH,包括:使用不同的接收波束,接收所述至少两个PDCCH。
- 根据权利要求2所述的方法,其特征在于,所述至少两个PDCCH来自不同的小区;或,所述至少两个PDCCH来自同一小区的不同传输接收点;或,所述至少两个PDCCH来自同一传输接收点的不同天线面板。
- 根据权利要求3所述的方法,其特征在于,所述至少两个PDCCH传输不同的内容;所述至少两个PDCCH来自不同的小区,所述至少两个PDCCH分别调度所述终端设备与所述至少两个PDCCH对应的小区之间的数据传输;所述至少两个PDCCH来自不同的传输接收点,所述至少两个PDCCH分别调度所述终端设备与所述至少两个PDCCH对应的传输接收点之间的数据传输;所述至少两个PDCCH来自不同的天线面板,所述至少两个PDCCH分别调度所述终端设备与所述至少两个PDCCH对应的天线面板之间的数据传输。
- 根据权利要求1所述的方法,其特征在于,所述数据信道是物理下行控制信道PDSCH;所述传输至少两个数据信道,包括:根据所述至少两个PDCCH指示的接收波束信息,接收至少两个PDSCH。
- 根据权利要求5所述的方法,其特征在于,所述根据所述至少两个PDCCH指示的接收波束信息,接收至少两个PDSCH,包括:根据所述至少两个PDCCH指示的接收波束信息,确定不同的接收波束;使用所述不同的接收波束,接收所述至少两个PDSCH。
- 根据权利要求6所述的方法,其特征在于,所述至少两个PDSCH来自不同的小区;或,所述至少两个PDSCH来自同一小区的不同传输接收点;或,所述至少两个PDSCH来自同一传输接收点的不同天线面板。
- 根据权利要求1所述的方法,其特征在于,所述数据信道是物理上行控制信道PUSCH;所述传输至少两个数据信道,包括:根据所述至少两个PDCCH指示的发送波束信息,发送至少两个PUSCH。
- 根据权利要求8所述的方法,其特征在于,所述根据所述至少两个PDCCH指示的发送波束信息,发送至少两个PUSCH,包括:根据所述至少两个PDCCH指示的发送波束信息,确定不同的发送波束;使用所述不同的发送波束,发送所述至少两个PUSCH。
- 根据权利要求9所述的方法,其特征在于,所述发送所述至少两个PUSCH,包括:向不同的小区发送所述至少两个PUSCH;或,向同一小区的不同传输接收点发送所述至少两个PUSCH;或,向同一传输接收点的不同天线面板发送所述至少两个PUSCH。
- 根据权利要求1至10任一所述的方法,其特征在于,所述至少两个PDCCH在时域位置上相邻;或,第一PDCCH和第一数据信道在时域位置上相邻;其中,所述第一数据信道由所述第一PDCCH调度传输,所述第一PDCCH是所述至少两个PDCCH中的任意一个PDCCH。
- 根据权利要求11所述的方法,其特征在于,所述至少两个PDCCH包括第二PDCCH和第三PDCCH,所述至少两个数据信道包括第二数据信道集合和第三数据信道集合;所述第二PDCCH、所述第三PDCCH、所述第二数据信道集合、所述第三数据信道集合的时域位置的顺序包括:所述第二PDCCH、所述第三PDCCH、所述第二数据信道集合、所述第三数据信道集合;或,所述第二PDCCH、所述第二数据信道集合、所述第三PDCCH、所述第三数据信道集合;其中,所述第二数据信道集合由所述第二PDCCH调度传输,所述第三数据信道集合由所述第三PDCCH调度传输。
- 根据权利要求1至12任一所述的方法,其特征在于,所述终端设备设置有波束切换时间,所述波束切换时间为N个符号,所述N为0或正整数。
- 一种数据传输方法,其特征在于,应用于网络设备中,所述方法包括:发送至少两个物理下行控制信道PDCCH和传输至少两个数据信道,所述至少两个数据信道由所述至少两个PDCCH调度传输;其中,所述至少两个PDCCH传输同样的内容,或,所述至少两个数据信道传输同样的内容,或,所述至少两个PDCCH传输同样的内容且所述至少两个数据信道传输同样的内容。
- 根据权利要求14所述的方法,其特征在于,所述发送至少两个物理下行控制信道PDCCH,包括:使用不同的发送波束,发送所述至少两个PDCCH。
- 根据权利要求15所述的方法,其特征在于,所述发送所述至少两个PDCCH,包括:通过不同的小区发送所述至少两个PDCCH;或,通过同一小区的不同传输接收点发送所述至少两个PDCCH;或,通过同一传输接收点的不同天线面板发送所述至少两个PDCCH。
- 根据权利要求16所述的方法,其特征在于,所述至少两个PDCCH传输不同的内容;在通过不同的小区发送所述至少两个PDCCH的情况下,所述至少两个PDCCH分别调度终端设备与所述至少两个PDCCH对应的小区之间的数据传输;在通过不同的传输接收点发送所述至少两个PDCCH的情况下,所述至少两个PDCCH分别调度所述终端设备与所述至少两个PDCCH对应的传输接收点之间的数据传输;在通过不同的天线面板发送所述至少两个PDCCH的情况下,所述至少两个PDCCH分别调度所述终端设备与所述至少两个PDCCH对应的天线面板之间的数据传输。
- 根据权利要求14所述的方法,其特征在于,所述数据信道是物理下行控制信道PDSCH;所述传输至少两个数据信道,包括:发送至少两个PDSCH;其中,所述至少两个PDCCH携带有指示终端设备接收所述至少两个PDSCH的接收波束信息。
- 根据权利要求18所述的方法,其特征在于,所述发送至少两个PDSCH,包括:使用不同的发送波束,发送所述至少两个PDSCH。
- 根据权利要求19所述的方法,其特征在于,所述发送所述至少两个 PDSCH,包括:通过不同的小区发送所述至少两个PDSCH;或,通过同一小区的不同传输接收点发送所述至少两个PDSCH;或,通过同一传输接收点的不同天线面板发送所述至少两个PDSCH。
- 根据权利要求14所述的方法,其特征在于,所述数据信道是物理上行控制信道PUSCH;所述传输至少两个数据信道,包括:接收至少两个PUSCH;其中,所述至少两个PUSCH是终端设备根据所述至少两个PDCCH指示的发送波束信息发送的。
- 根据权利要求21所述的方法,其特征在于,所述接收至少两个PUSCH,包括:使用不同的接收波束,接收所述至少两个PUSCH。
- 根据权利要求22所述的方法,其特征在于,所述接收所述至少两个PUSCH,包括:通过不同的小区接收所述至少两个PUSCH;或,通过同一小区的不同传输接收点接收所述至少两个PUSCH;或,通过同一传输接收点的不同天线面板接收所述至少两个PUSCH。
- 根据权利要求14至23任一所述的方法,其特征在于,所述至少两个PDCCH在时域位置上相邻;或,第一PDCCH和第一数据信道在时域位置上相邻;其中,所述第一数据信道由所述第一PDCCH调度传输,所述第一PDCCH是所述至少两个PDCCH中的任意一个PDCCH。
- 根据权利要求24所述的方法,其特征在于,所述至少两个PDCCH包括第二PDCCH和第三PDCCH,所述至少两个数据信道包括第二数据信道集合 和第三数据信道集合;所述第二PDCCH、所述第三PDCCH、所述第二数据信道集合、所述第三数据信道集合的时域位置的顺序包括:所述第二PDCCH、所述第三PDCCH、所述第二数据信道集合、所述第三数据信道集合;或,所述第二PDCCH、所述第二数据信道集合、所述第三PDCCH、所述第三数据信道集合;其中,所述第二数据信道集合由所述第二PDCCH调度传输,所述第三数据信道集合由所述第三PDCCH调度传输。
- 一种数据传输装置,其特征在于,应用于终端设备中,所述装置包括:传输模块;所述传输模块,被配置为接收至少两个物理下行控制信道PDCCH和传输至少两个数据信道,所述至少两个数据信道由所述至少两个PDCCH调度传输;其中,所述至少两个PDCCH传输同样的内容,或,所述至少两个数据信道传输同样的内容,或,所述至少两个PDCCH传输同样的内容且所述至少两个数据信道传输同样的内容。
- 根据权利要求26所述的装置,其特征在于,所述传输模块,被配置为使用不同的接收波束,接收所述至少两个PDCCH。
- 根据权利要求27所述的装置,其特征在于,所述至少两个PDCCH来自不同的小区;或,所述至少两个PDCCH来自同一小区的不同传输接收点;或,所述至少两个PDCCH来自同一传输接收点的不同天线面板。
- 根据权利要求28所述的装置,其特征在于,所述至少两个PDCCH传输不同的内容;所述至少两个PDCCH来自不同的小区,所述至少两个PDCCH分别调度所述终端设备与所述至少两个PDCCH对应的小区之间的数据传输;所述至少两个PDCCH来自不同的传输接收点,所述至少两个PDCCH分别调度所述终端设备与所述至少两个PDCCH对应的传输接收点之间的数据传输;所述至少两个PDCCH来自不同的天线面板,所述至少两个PDCCH分别调度所述终端设备与所述至少两个PDCCH对应的天线面板之间的数据传输。
- 根据权利要求26所述的装置,其特征在于,所述数据信道是物理下行控制信道PDSCH;所述传输模块,被配置为根据所述至少两个PDCCH指示的接收波束信息,接收至少两个PDSCH。
- 根据权利要求30所述的装置,其特征在于,所述装置还包括确定模块;所述确定模块,被配置为根据所述至少两个PDCCH指示的接收波束信息,确定不同的接收波束;所述传输模块,被配置为使用所述不同的接收波束,接收所述至少两个PDSCH。
- 根据权利要求31所述的装置,其特征在于,所述至少两个PDSCH来自不同的小区;或,所述至少两个PDSCH来自同一小区的不同传输接收点;或,所述至少两个PDSCH来自同一传输接收点的不同天线面板。
- 根据权利要求26所述的装置,其特征在于,所述数据信道是物理上行控制信道PUSCH;所述传输模块,被配置为根据所述至少两个PDCCH指示的发送波束信息,发送至少两个PUSCH。
- 根据权利要求33所述的装置,其特征在于,所述装置还包括确定模块;所述确定模块,被配置为根据所述至少两个PDCCH指示的发送波束信息,确定不同的发送波束;所述传输模块,被配置为使用所述不同的发送波束,发送所述至少两个PUSCH。
- 根据权利要求34所述的装置,其特征在于,所述传输模块,被配置为向不同的小区发送所述至少两个PUSCH;或,所述传输模块,被配置为向同一小区的不同传输接收点发送所述至少两个PUSCH;或,所述传输模块,被配置为向同一传输接收点的不同天线面板发送所述至少两个PUSCH。
- 根据权利要求26至35任一所述的装置,其特征在于,所述至少两个PDCCH在时域位置上相邻;或,第一PDCCH和第一数据信道在时域位置上相邻;其中,所述第一数据信道由所述第一PDCCH调度传输,所述第一PDCCH是所述至少两个PDCCH中的任意一个PDCCH。
- 根据权利要求36所述的装置,其特征在于,所述至少两个PDCCH包括第二PDCCH和第三PDCCH,所述至少两个数据信道包括第二数据信道集合和第三数据信道集合;所述第二PDCCH、所述第三PDCCH、所述第二数据信道集合、所述第三数据信道集合的时域位置的顺序包括:所述第二PDCCH、所述第三PDCCH、所述第二数据信道集合、所述第三数据信道集合;或,所述第二PDCCH、所述第二数据信道集合、所述第三PDCCH、所述第三数据信道集合;其中,所述第二数据信道集合由所述第二PDCCH调度传输,所述第三数据信道集合由所述第三PDCCH调度传输。
- 根据权利要求26至37任一所述的装置,其特征在于,所述终端设备设置有波束切换时间,所述波束切换时间为N个符号,所述 N为0或正整数。
- 一种数据传输装置,其特征在于,应用于网络设备中,所述装置包括:传输模块;所述传输模块,被配置为发送至少两个物理下行控制信道PDCCH和传输至少两个数据信道,所述至少两个数据信道由所述至少两个PDCCH调度传输;其中,所述至少两个PDCCH传输同样的内容,或,所述至少两个数据信道传输同样的内容,或,所述至少两个PDCCH传输同样的内容且所述至少两个数据信道传输同样的内容。
- 根据权利要求39所述的装置,其特征在于,所述传输模块,被配置为使用不同的发送波束,发送所述至少两个PDCCH。
- 根据权利要求40所述的装置,其特征在于,所述传输模块,被配置为通过不同的小区发送所述至少两个PDCCH;或,所述传输模块,被配置为通过同一小区的不同传输接收点发送所述至少两个PDCCH;或,所述传输模块,被配置为通过同一传输接收点的不同天线面板发送所述至少两个PDCCH。
- 根据权利要求41所述的装置,其特征在于,所述至少两个PDCCH传输不同的内容;在通过不同的小区发送所述至少两个PDCCH的情况下,,所述至少两个PDCCH分别调度终端设备与所述至少两个PDCCH对应的小区之间的数据传输;在通过不同的传输接收点发送所述至少两个PDCCH的情况下,所述至少两个PDCCH分别调度所述终端设备与所述至少两个PDCCH对应的传输接收点之间的数据传输;在通过不同的天线面板发送所述至少两个PDCCH的情况下,所述至少两个PDCCH分别调度所述终端设备与所述至少两个PDCCH对应的天线面板之间的 数据传输。
- 根据权利要求39所述的装置,其特征在于,所述数据信道是物理下行控制信道PDSCH;所述传输模块,被配置为发送至少两个PDSCH;其中,所述至少两个PDCCH携带有指示终端设备接收所述至少两个PDSCH的接收波束信息。
- 根据权利要求43所述的装置,其特征在于,所述传输模块,被配置为使用不同的发送波束,发送所述至少两个PDSCH。
- 根据权利要求44所述的装置,其特征在于,所述传输模块,被配置为通过不同的小区发送所述至少两个PDSCH;或,所述传输模块,被配置为通过同一小区的不同传输接收点发送所述至少两个PDSCH;或,所述传输模块,被配置为通过同一传输接收点的不同天线面板发送所述至少两个PDSCH。
- 根据权利要求39所述的装置,其特征在于,所述数据信道是物理上行控制信道PUSCH;所述传输模块,被配置为接收至少两个PUSCH;其中,所述至少两个PUSCH是终端设备根据所述至少两个PDCCH指示的发送波束信息发送的。
- 根据权利要求46所述的装置,其特征在于,所述传输模块,被配置为使用不同的接收波束,接收所述至少两个PUSCH。
- 根据权利要求47所述的装置,其特征在于,所述传输模块,被配置为通过不同的小区接收所述至少两个PUSCH;或,所述传输模块,被配置为通过同一小区的不同传输接收点接收所述至 少两个PUSCH;或,所述传输模块,被配置为通过同一传输接收点的不同天线面板接收所述至少两个PUSCH。
- 根据权利要求39至48任一所述的装置,其特征在于,所述至少两个PDCCH在时域位置上相邻;或,第一PDCCH和第一数据信道在时域位置上相邻;其中,所述第一数据信道由所述第一PDCCH调度传输,所述第一PDCCH是所述至少两个PDCCH中的任意一个PDCCH。
- 根据权利要求49所述的装置,其特征在于,所述至少两个PDCCH包括第二PDCCH和第三PDCCH,所述至少两个数据信道集合包括第二数据信道集合和第三数据信道集合;所述第二PDCCH、所述第三PDCCH、所述第二数据信道集合、所述第三数据信道集合的时域位置的顺序包括:所述第二PDCCH、所述第三PDCCH、所述第二数据信道集合、所述第三数据信道集合;或,所述第二PDCCH、所述第二数据信道集合、所述第三PDCCH、所述第三数据信道集合;其中,所述第二数据信道集合由所述第二PDCCH调度传输,所述第三数据信道集合由所述第三PDCCH调度传输。
- 一种终端设备,其特征在于,所述终端设备包括:处理器;与所述处理器相连的收发器;用于存储所述处理器的可执行指令的存储器;其中,所述处理器被配置为加载并执行所述可执行指令以实现如权利要求1至13任一所述的数据传输方法。
- 一种网络设备,其特征在于,所述网络设备包括:处理器;与所述处理器相连的收发器;用于存储所述处理器的可执行指令的存储器;其中,所述处理器被配置为加载并执行所述可执行指令以实现如权利要求14至25任一所述的数据传输方法。
- 一种计算机可读存储介质,其特征在于,所述可读存储介质中存储有可执行指令,所述可执行指令由处理器加载并执行以实现如权利要求1至25任一所述的数据传输方法。
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| WO2022067792A1 (zh) * | 2020-09-30 | 2022-04-07 | 北京小米移动软件有限公司 | 信息传输方法、装置、终端、设备和介质 |
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| CN111448840B (zh) | 2024-04-09 |
| EP4124132A1 (en) | 2023-01-25 |
| CN118215141B (zh) | 2025-09-19 |
| US12349164B2 (en) | 2025-07-01 |
| US20230354361A1 (en) | 2023-11-02 |
| CN118215141A (zh) | 2024-06-18 |
| EP4124132A4 (en) | 2023-11-29 |
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