WO2023102814A1 - 无线通信的方法、终端设备和网络设备 - Google Patents
无线通信的方法、终端设备和网络设备 Download PDFInfo
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- WO2023102814A1 WO2023102814A1 PCT/CN2021/136715 CN2021136715W WO2023102814A1 WO 2023102814 A1 WO2023102814 A1 WO 2023102814A1 CN 2021136715 W CN2021136715 W CN 2021136715W WO 2023102814 A1 WO2023102814 A1 WO 2023102814A1
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- precoding matrix
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0636—Feedback format
- H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
- H04B7/0608—Antenna selection according to transmission parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or 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
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
Definitions
- the embodiments of the present application relate to the communication field, and more specifically, relate to a wireless communication method, a terminal device, and a network device.
- codebooks with 2-antenna ports and 4-antenna ports can be supported.
- it can support more antenna ports.
- Embodiments of the present application provide a wireless communication method, a terminal device, and a network device, and design a codebook that supports more than 4 antenna ports, thereby improving the performance of uplink transmission.
- a wireless communication method includes:
- the terminal device acquires first information, where the first information is used to determine a precoding matrix for uplink information transmission;
- the terminal device precodes the uplink information by using the precoding matrix
- the terminal device sends precoded uplink information
- the first information is determined according to at least one of the following: codebook subset configuration information, antenna port number information, maximum number of transmission layers of the uplink information, waveform used for uplink transmission, first indication information, second indication information and third instruction information;
- the codebook subset configuration information is used to indicate the codebook subset to which the precoding matrix belongs
- the antenna port number information is used to indicate the number of antenna ports used by the terminal device to send the uplink information
- the antenna port number The number is greater than 4, and the number of antenna ports is a multiple of 2
- the first indication information is used to indicate the precoding matrix index
- the second indication information is used to indicate the antenna selection codebook
- the third indication information is used to indicate the phase Select a codebook.
- a wireless communication method in a second aspect, includes:
- the network device sends first information to the terminal device, where the first information is used to determine a precoding matrix for uplink information transmission;
- the first information is determined according to at least one of the following: codebook subset configuration information, antenna port number information, maximum number of transmission layers of the uplink information, waveform used for uplink transmission, first indication information, second indication information and third instruction information;
- the codebook subset configuration information is used to indicate the codebook subset to which the precoding matrix belongs
- the antenna port number information is used to indicate the number of antenna ports used by the terminal device to send the uplink information
- the antenna port number The number is greater than 4, and the number of antenna ports is a multiple of 2
- the first indication information is used to indicate the precoding matrix index
- the second indication information is used to indicate the antenna selection codebook
- the third indication information is used to indicate the phase Select a codebook.
- a terminal device configured to execute the method in the first aspect above.
- the terminal device includes a functional module for executing the method in the first aspect above.
- a network device configured to execute the method in the second aspect above.
- the network device includes a functional module for executing the method in the second aspect above.
- a terminal device including a processor and a memory.
- the memory is used to store a computer program
- the processor is used to invoke and run the computer program stored in the memory to execute the method in the first aspect above.
- a sixth aspect provides a network device, including a processor and a memory.
- the memory is used to store a computer program
- the processor is used to call and run the computer program stored in the memory to execute the method in the second aspect above.
- an apparatus for implementing the method in any one of the first aspect to the second aspect above.
- the device includes: a processor, configured to invoke and run a computer program from the memory, so that the device installed with the device executes the method in any one of the above first to second aspects.
- a computer-readable storage medium for storing a computer program, and the computer program causes a computer to execute the method in any one of the above-mentioned first aspect to the second aspect.
- a computer program product including computer program instructions, the computer program instructions causing a computer to execute the method in any one of the above first to second aspects.
- a computer program which, when running on a computer, causes the computer to execute the method in any one of the above first to second aspects.
- the terminal device can determine the precoding matrix for uplink information transmission based on the first information, and the number of antenna ports used by the terminal device to send uplink information is greater than 4, and the number of antenna ports is a multiple of 2, that is,
- the embodiment of the present application designs a codebook that supports more than 4 antenna ports, thereby improving the performance of uplink transmission.
- FIG. 1 is a schematic diagram of a communication system architecture applied in an embodiment of the present application.
- Fig. 2 is a schematic diagram of codebook-based uplink transmission applied in the embodiment of the present application.
- Fig. 3 is a schematic diagram of non-codebook-based uplink transmission applied in the embodiment of the present application.
- Fig. 4 is a schematic flowchart of a wireless communication method provided according to an embodiment of the present application.
- Fig. 5 is a schematic block diagram of a terminal device provided according to an embodiment of the present application.
- Fig. 6 is a schematic block diagram of a network device provided according to an embodiment of the present application.
- Fig. 7 is a schematic block diagram of a communication device provided according to an embodiment of the present application.
- Fig. 8 is a schematic block diagram of an apparatus provided according to an embodiment of the present application.
- Fig. 9 is a schematic block diagram of a communication system provided according to an embodiment of the present application.
- GSM Global System of Mobile communication
- CDMA Code Division Multiple Access
- WCDMA Wideband Code Division Multiple Access
- GPRS General Packet Radio Service
- LTE Long Term Evolution
- LTE-A Advanced long term evolution
- NR New Radio
- NTN Non-Terrestrial Networks
- UMTS Universal Mobile Telecommunications System
- WLAN Wireless Local Area Networks
- IoT Internet of Things
- D2D Device to Device
- M2M Machine to Machine
- MTC Machine Type Communication
- V2V Vehicle to Vehicle
- V2X Vehicle to everything
- the communication system in the embodiment of the present application can be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, can also be applied to a dual connectivity (Dual Connectivity, DC) scenario, and can also be applied to an independent (Standalone, SA ) meshing scene.
- Carrier Aggregation, CA Carrier Aggregation
- DC Dual Connectivity
- SA independent meshing scene
- the communication system in the embodiment of the present application may be applied to an unlicensed spectrum, where the unlicensed spectrum may also be considered as a shared spectrum; or, the communication system in the embodiment of the present application may also be applied to a licensed spectrum, Wherein, the licensed spectrum can also be regarded as a non-shared spectrum.
- the communication system in the embodiment of the present application can be applied to the FR1 frequency band (corresponding to the frequency range of 410MHz to 7.125GHz), can also be applied to the FR2 frequency band (corresponding to the frequency range of 24.25GHz to 52.6GHz), and can also be applied to The new frequency band corresponds to, for example, a frequency range from 52.6 GHz to 71 GHz or a high-frequency frequency range from 71 GHz to 114.25 GHz.
- the embodiments of the present application describe various embodiments in conjunction with network equipment and terminal equipment, wherein the terminal equipment may also be referred to as user equipment (User Equipment, UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
- user equipment User Equipment, UE
- access terminal user unit
- user station mobile station
- mobile station mobile station
- remote station remote terminal
- mobile device user terminal
- terminal wireless communication device
- wireless communication device user agent or user device
- the terminal device can be a station (STATION, ST) in a WLAN, a cellular phone, a cordless phone, a Session Initiation Protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital assistant (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, next-generation communication systems such as terminal devices in NR networks, or future Terminal equipment in the evolved public land mobile network (Public Land Mobile Network, PLMN) network, etc.
- PLMN Public Land Mobile Network
- the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as aircraft, balloons and satellites) superior).
- the terminal device may be a mobile phone (Mobile Phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, an augmented reality (Augmented Reality, AR) terminal Equipment, wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city or wireless terminal equipment in smart home, vehicle communication equipment, wireless communication chip/application-specific integrated circuit (application specific integrated circuit, ASIC)/system-on-chip (System on Chip, SoC), etc.
- a virtual reality (Virtual Reality, VR) terminal device an augmented reality (Augmented Reality, AR) terminal Equipment
- wireless terminal equipment in industrial control wireless terminal equipment in self driving
- wireless terminal equipment in remote medical wireless terminal equipment in smart grid
- wireless terminal equipment in transportation safety wireless terminal equipment in smart city or wireless terminal equipment in smart home
- vehicle communication equipment wireless communication chip/application-specific integrated circuit (application specific integrated circuit, ASIC
- the terminal device may also be a wearable device.
- Wearable devices can also be called wearable smart devices, which is a general term for the application of wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes.
- a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable devices are not only a hardware device, but also achieve powerful functions through software support, data interaction, and cloud interaction.
- Generalized wearable smart devices include full-featured, large-sized, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, etc., and only focus on a certain type of application functions, and need to cooperate with other devices such as smart phones Use, such as various smart bracelets and smart jewelry for physical sign monitoring.
- the network device may be a device for communicating with the mobile device, and the network device may be an access point (Access Point, AP) in WLAN, a base station (Base Transceiver Station, BTS) in GSM or CDMA , or a base station (NodeB, NB) in WCDMA, or an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or a vehicle-mounted device, a wearable device, and an NR network A network device or a base station (gNB) in a network device or a network device in a future evolved PLMN network or a network device in an NTN network.
- AP Access Point
- BTS Base Transceiver Station
- NodeB, NB base station
- Evolutional Node B, eNB or eNodeB evolved base station
- LTE Long Term Evolution
- eNB evolved base station
- gNB base station
- the network device may have a mobile feature, for example, the network device may be a mobile device.
- the network equipment may be a satellite, balloon station.
- the satellite can be a low earth orbit (low earth orbit, LEO) satellite, a medium earth orbit (medium earth orbit, MEO) satellite, a geosynchronous earth orbit (geosynchronous earth orbit, GEO) satellite, a high elliptical orbit (High Elliptical Orbit, HEO) satellite. ) Satellite etc.
- the network device may also be a base station installed on land, in water, or other locations.
- the network device may provide services for a cell, and the terminal device communicates with the network device through the transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell, and the cell may be a network device ( For example, a cell corresponding to a base station), the cell may belong to a macro base station, or may belong to a base station corresponding to a small cell (Small cell), and the small cell here may include: a metro cell (Metro cell), a micro cell (Micro cell), a pico cell ( Pico cell), Femto cell, etc. These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
- the transmission resources for example, frequency domain resources, or spectrum resources
- the cell may be a network device (
- the cell may belong to a macro base station, or may belong to a base station corresponding to a small cell (Small cell)
- the small cell here may include: a metro cell (Metro cell), a micro cell (Micro
- the communication system 100 may include a network device 110, and the network device 110 may be a device for communicating with a terminal device 120 (or called a communication terminal, terminal).
- the network device 110 can provide communication coverage for a specific geographical area, and can communicate with terminal devices located in the coverage area.
- FIG. 1 exemplarily shows one network device and two terminal devices.
- the communication system 100 may include multiple network devices and each network device may include other numbers of terminal devices within the coverage area. This embodiment of the present application does not limit it.
- the communication system 100 may further include other network entities such as a network controller and a mobility management entity, which is not limited in this embodiment of the present application.
- a device with a communication function in the network/system in the embodiment of the present application may be referred to as a communication device.
- the communication equipment may include a network equipment 110 and a terminal equipment 120 with communication functions.
- the network equipment 110 and the terminal equipment 120 may be the specific equipment described above, and will not be repeated here.
- the communication device may also include other devices in the communication system 100, such as network controllers, mobility management entities and other network entities, which are not limited in this embodiment of the present application.
- this article involves a first communication device and a second communication device
- the first communication device may be a terminal device, such as a mobile phone, a machine facility, a customer premise equipment (Customer Premise Equipment, CPE), an industrial device, a vehicle, etc.
- the second communication device may be a peer communication device of the first communication device, such as a network device, a mobile phone, an industrial device, a vehicle, and the like.
- description is made by taking the first communication device as a terminal device and the second communication device as a network device as a specific example.
- the "indication" mentioned in the embodiments of the present application may be a direct indication, may also be an indirect indication, and may also mean that there is an association relationship.
- a indicates B which can mean that A directly indicates B, for example, B can be obtained through A; it can also indicate that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also indicate that there is an association between A and B relation.
- the term "corresponding" may indicate that there is a direct or indirect correspondence between the two, or that there is an association between the two, or that it indicates and is indicated, configuration and is configuration etc.
- predefined or “preconfigured” can be realized by pre-saving corresponding codes, tables or other methods that can be used to indicate relevant information in devices (for example, including terminal devices and network devices).
- the application does not limit its specific implementation.
- pre-defined may refer to defined in the protocol.
- the "protocol” may refer to a standard protocol in the communication field, for example, may include the LTE protocol, the NR protocol, and related protocols applied to future communication systems, which is not limited in the present application.
- the process based on the codebook transmission scheme may include the following steps:
- the terminal device sends a sounding reference signal (sounding reference signal, SRS) corresponding to the PUSCH transmission based on the codebook (codebook) to the network device;
- SRS sounding reference signal
- the network device performs uplink channel detection according to the SRS sent by the terminal device, performs resource scheduling for the terminal device, and determines the SRS resource corresponding to the PUSCH transmission, the SRS resource indicator (SRS resource indicator, SRI), and the transmit precoding matrix indicator (Transmit Precoding Matrix Indicator, TPMI), the number of layers of uplink transmission, modulation and coding scheme (Modulation and Coding Scheme, MCS); and the network device indicates the above information to the terminal device through the downlink control information (DCI);
- DCI downlink control information
- the terminal device receives the DCI, and sends the PUSCH according to the instruction of the DCI.
- the process based on the non-codebook transmission scheme may include the following steps:
- the terminal device measures the downlink reference signal, obtains a candidate precoding matrix, uses the candidate precoding matrix to precode the SRS, and then sends to the network device the SRS corresponding to the PUSCH transmission based on a non-codebook (non-codebook);
- the network device performs uplink channel detection according to the SRS sent by the terminal device, performs resource scheduling on the terminal device, and determines the SRS resource corresponding to the beam (beam) transmitted by the PUSCH; the network device indicates the above information to the terminal device through DCI;
- the terminal device receives the DCI, and sends the PUSCH according to the instruction of the DCI.
- the network device indicates to the terminal device the SRS resource corresponding to the PUSCH, the number of layers for uplink transmission, and the precoding matrix through the DCI format.
- the fields in DCI are precoding information and number of layers (Precoding information and number of layers) and SRI.
- Factors affecting the number of TPMI bits in the DCI include: the number of antenna ports, the codebook subset determined according to the configuration state of the high-layer parameter codebook subset (codebookSubset), and the maximum number of transmission layers.
- the status of codebookSubset configuration should be configured according to the capability reported by the terminal device.
- the content reported by the terminal device includes: all antennas of the terminal device are coherent transmission, the antennas of the terminal device are partially coherent transmission, and the antennas of the terminal device are non-coherent transmission of.
- each state in the TPMI indicates the precoding matrix used for uplink information transmission.
- Uplink transmission can support uplink transmission with up to 4 antenna ports
- the terminal device can report the ability to support partially coherent transmission, and the antenna ports capable of partially coherent transmission are 2 ports among the 4 ports.
- this application proposes a codebook design scheme for multi-port transmission, and designs a codebook that supports more than 4 antenna ports, thereby improving the performance of uplink transmission.
- FIG. 4 is a schematic flowchart of a wireless communication method 200 according to an embodiment of the present application. As shown in FIG. 4 , the wireless communication method 200 may include at least part of the following content:
- the network device sends first information to the terminal device, where the first information is used to determine a precoding matrix for uplink information transmission; where the first information is determined according to at least one of the following: codebook subset configuration information, antenna Port number information, the maximum number of transmission layers of the uplink information, waveforms used for uplink transmission, first indication information, second indication information, and third indication information; wherein, the codebook subset configuration information is used to indicate the precoding matrix
- the antenna port number information is used to indicate the number of antenna ports used by the terminal device to send the uplink information, the number of antenna ports is greater than 4, and the number of antenna ports is a multiple of 2, the The first indication information is used to indicate the precoding matrix index, the second indication information is used to indicate the antenna selection codebook, and the third indication information is used to indicate the phase selection codebook;
- the terminal device precodes the uplink information by using the precoding matrix
- the terminal device sends the precoded uplink information.
- the number of antenna ports used by the terminal device to send uplink information is greater than 4, and the number of antenna ports is a multiple of 2, that is, the precoding matrix for uplink information transmission can correspond to a number of antenna ports greater than 4. 4 codebooks.
- the terminal device when the terminal device is configured with multiple groups of polarized antennas or multiple antenna array blocks (panels), only the ports corresponding to a group of polarized antennas (or a panel) facing the network device can be used or Ports corresponding to two adjacent sets of polarized antennas (or two panels) transmit uplink data, so that power is concentrated on some antenna ports with the highest efficiency to improve uplink transmission performance.
- the antennas of the terminal device can perform coherent transmission in the form of antenna groups, that is, uplink information can be mapped to a group of antenna ports (same meaning as an antenna port group) and coherently transmitted.
- the terminal device if the terminal device supports a codebook subset for partial coherent transmission, then the terminal device also supports a codebook subset for non-coherent transmission.
- the terminal device supports the precoding matrix in the codebook subset of partial coherent transmission to precode uplink information, and the antenna port of the terminal device corresponding to the codebook subset of partial coherent transmission that can coherently transmit is the terminal device
- a subset of all antenna ports of the codebook, or the antenna port group that the terminal device can coherently transmit corresponding to the codebook subset of the partial coherent transmission is a subset of all antenna port groups of the terminal device.
- the antenna ports or antenna port groups that the terminal device can coherently transmit corresponding to the codebook subset of partial coherent transmission may be a subset of all antenna ports of the terminal device.
- the uplink information includes but not limited to at least one of the following: PUSCH, SRS.
- the precoding vectors in the precoding matrix are discrete Fourier transform vectors, and/or, some elements of at least one precoding vector in the precoding matrix are 0, and another part of the elements are discrete Fourier transform vectors. Transform vector.
- the precoding vector in the precoding matrix is a combination of the antenna selection codebook and the phase selection codebook, and/or at least one part of the elements of the precoding vector in the precoding matrix is 0, and the other part of the elements is a combination of the antenna selection codebook and the phase selection codebook.
- the maximum number of transmission layers of the uplink information may be the actual number of transmission layers or the maximum number of transmission layers.
- the codebook subset configuration information is associated with first capability information and first antenna information; where the first capability information includes a codebook subset that the terminal device supports partially coherent transmission; where the first Antenna information is used to determine antenna port groups for partially coherent transmission.
- the network device receives the first capability information sent by the terminal device, where the first capability information includes a codebook subset that the terminal device supports partially coherent transmission; and the network device The codebook subset configuration information and the first antenna information determine the codebook subset configuration information, where the first antenna information is used to determine an antenna port group for partially coherent transmission.
- the first antenna information is predefined, or the first antenna information is determined based on antenna capability information reported by the terminal device.
- the number of antenna ports for coherent transmission of the terminal device is N 1 , where N 1 is greater than or equal to 2, and N 1 is less than 8.
- the first antenna information may be predefined, and may be determined based on antenna capability information reported by the terminal device.
- the number of antenna ports used by the terminal device to send uplink information indicated by the antenna port number information is 8.
- the antenna port index corresponding to the antenna port group for coherent transmission determined by the first antenna information includes but is not limited to one of the following:
- the first antenna information may determine that coherent transmission is performed through antenna port 1 and antenna port 3, or the first antenna information may determine that coherent transmission is performed through antenna port 2 and antenna port 4 transmission, or the first antenna information may determine coherent transmission through antenna port 5 and antenna port 7, or the first antenna information may determine coherent transmission through antenna port 6 and antenna port 8, or the first antenna
- the information may be determined to be coherently transmitted through antenna port 1 and antenna port 2, or the first antenna information may be determined to be coherently transmitted through antenna port 3 and antenna port 4, or the first antenna information may be determined to be transmitted through antenna port 5 and Antenna port 6 performs coherent transmission, or the first antenna information may determine that antenna port 7 and antenna port 8 perform coherent transmission.
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information may also include one of the following:
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes but is not limited to one of the following:
- Antenna port 5 antenna port 6, antenna port 7 and antenna port 8;
- Antenna Port 2 Antenna Port 4, Antenna Port 6, and Antenna Port 8.
- the first antenna information may be determined to perform coherent transmission through antenna port 1, antenna port 2, antenna port 3, and antenna port 4, or the first antenna information may be determined to be transmitted through antenna Port 5, antenna port 6, antenna port 7, and antenna port 8 perform coherent transmission, or, the first antenna information may be determined to perform coherent transmission through antenna port 1, antenna port 3, antenna port 5, and antenna port 7, or, the The first antenna information may determine that coherent transmission is performed through antenna port 2 , antenna port 4 , antenna port 6 , and antenna port 8 .
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information may also include one of the following:
- Antenna port 3 antenna port 4, antenna port 5 and antenna port 6;
- Antenna port 1 antenna port 3, antenna port 6 and antenna port 8;
- Antenna Port 2 Antenna Port 4, Antenna Port 5, and Antenna Port 7.
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes one of the following:
- Antenna Port 1 Antenna Port 2, Antenna Port 3, Antenna Port 4, Antenna Port 5, and Antenna Port 6;
- Antenna Port 2 Antenna Port 3, Antenna Port 4, Antenna Port 5, Antenna Port 6, and Antenna Port 7;
- Antenna Port 3 Antenna Port 4, Antenna Port 5, Antenna Port 6, Antenna Port 7, and Antenna Port 8.
- the first antenna information may determine that coherent transmission is performed through antenna port 1, antenna port 2, antenna port 3, antenna port 4, antenna port 5, and antenna port 6, or, the The first antenna information can be determined to be coherently transmitted through antenna port 2, antenna port 3, antenna port 4, antenna port 5, antenna port 6, and antenna port 7, or the first antenna information can be determined to be transmitted through antenna port 3, antenna port 4.
- Antenna port 5, antenna port 6, antenna port 7, and antenna port 8 perform coherent transmission.
- the number of antenna ports for coherent transmission of the terminal device is N 2 , where N 2 is greater than or equal to 2, and N 2 is less than 6.
- the first antenna information may be predefined, and may be determined based on antenna capability information reported by the terminal device.
- the number of antenna ports used by the terminal device to send uplink information indicated by the antenna port number information is 6.
- the antenna port index corresponding to the antenna port group for coherent transmission determined by the first antenna information includes but is not limited to one of the following:
- the first antenna information may determine that coherent transmission is performed through antenna port 1 and antenna port 3, or the first antenna information may determine that coherent transmission is performed through antenna port 2 and antenna port 4 transmission, or the first antenna information may determine coherent transmission through antenna port 5 and antenna port 6, or the first antenna information may determine coherent transmission through antenna port 1 and antenna port 2, or the first antenna The information may be determined to be coherently transmitted through antenna port 3 and antenna port 5 , or the first antenna information may be determined to be coherently transmitted through antenna port 4 and antenna port 6 .
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes but is not limited to one of the following:
- Antenna port 4 antenna port 5 and antenna port 6;
- Antenna Port 2 Antenna Port 4, and Antenna Port 6.
- the first antenna information may be determined to perform coherent transmission through antenna port 1, antenna port 2, and antenna port 3, or the first antenna information may be determined to be transmitted through antenna port 4, antenna port Port 5 and antenna port 6 perform coherent transmission, or the first antenna information may be determined to perform coherent transmission through antenna port 1, antenna port 3, and antenna port 5, or the first antenna information may be determined to be transmitted through antenna port 2, antenna port 2, and antenna port 5. Port 4 and antenna port 6 perform coherent transmission.
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes but is not limited to one of the following:
- Antenna port 2 antenna port 3, antenna port 4 and antenna port 5;
- Antenna Port 3 Antenna Port 4, Antenna Port 5, and Antenna Port 6.
- the first antenna information may be determined to perform coherent transmission through antenna port 1, antenna port 2, antenna port 3, and antenna port 4, or the first antenna information may be determined to be transmitted through antenna Port 2, antenna port 3, antenna port 4, and antenna port 5 perform coherent transmission, or the first antenna information may be determined to perform coherent transmission through antenna port 3, antenna port 4, antenna port 5, and antenna port 6.
- the first antenna information is determined based on the first antenna capability information reported by the terminal device.
- the number of antenna ports used by the terminal device to send uplink information indicated by the antenna port number information is 8.
- the first antenna capability information is used to indicate one of the following: a first-type antenna port group, a second-type antenna port group, and a third-type antenna port group; wherein, the coherent transmission included in the first-type antenna port group
- the number of antenna ports is 2, the number of antenna ports for coherent transmission included in the second-type antenna port group is 4, and the number of antenna ports for coherent transmission included in the third-type antenna port group is 6.
- the network device receives the first antenna capability information sent by the terminal device; and the network device determines the first antenna information according to the first antenna capability information.
- the number of antenna ports used by the terminal device to send uplink information indicated by the antenna port number information is 8.
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes but is not limited to one of the following:
- the first antenna information may determine that coherent transmission is performed through antenna port 1 and antenna port 3, or the first antenna information It can be determined that coherent transmission is performed through antenna port 2 and antenna port 4, or the first antenna information can be determined to perform coherent transmission through antenna port 5 and antenna port 7, or the first antenna information can be determined to be performed through antenna port 6 and antenna port 6.
- Port 8 performs coherent transmission, or the first antenna information may determine that coherent transmission is performed through antenna port 1 and antenna port 2, or the first antenna information may determine that coherent transmission is performed through antenna port 3 and antenna port 4, or, The first antenna information may determine that coherent transmission is performed through antenna port 5 and antenna port 6 , or the first antenna information may determine that coherent transmission is performed through antenna port 7 and antenna port 8 .
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes but is not limited to one of the following:
- Antenna port 5 antenna port 6, antenna port 7 and antenna port 8;
- Antenna Port 2 Antenna Port 4, Antenna Port 6, and Antenna Port 8.
- the first antenna information may determine that coherent transmission is performed through antenna port 1, antenna port 2, antenna port 3, and antenna port 4 , or, the first antenna information may determine that coherent transmission is performed through antenna port 5, antenna port 6, antenna port 7, and antenna port 8, or the first antenna information may determine that antenna port 1, antenna port 3, and antenna port 5 and antenna port 7 perform coherent transmission, or the first antenna information may be determined to perform coherent transmission through antenna port 2, antenna port 4, antenna port 6, and antenna port 8.
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes but is not limited to one of the following:
- Antenna Port 1 Antenna Port 2, Antenna Port 3, Antenna Port 4, Antenna Port 5, and Antenna Port 6;
- Antenna Port 2 Antenna Port 3, Antenna Port 4, Antenna Port 5, Antenna Port 6, and Antenna Port 7;
- Antenna Port 3 Antenna Port 4, Antenna Port 5, Antenna Port 6, Antenna Port 7, and Antenna Port 8.
- the first antenna information can be determined through antenna port 1, antenna port 2, antenna port 3, antenna port 4, antenna port 5 and antenna port 6 for coherent transmission, or, the first antenna information may be determined to be coherently transmitted through antenna port 2, antenna port 3, antenna port 4, antenna port 5, antenna port 6, and antenna port 7, or, the first antenna information Antenna information may be determined to be coherently transmitted through antenna port 3 , antenna port 4 , antenna port 5 , antenna port 6 , antenna port 7 , and antenna port 8 .
- the first antenna information is determined based on the second antenna capability information reported by the terminal device.
- the number of antenna ports used by the terminal device to send uplink information indicated by the antenna port number information is 6.
- the second antenna capability information is used to indicate one of the following: the fourth type antenna port group, the fifth type antenna port group, and the sixth type antenna port group; wherein, the coherent transmission included in the fourth type antenna port group
- the number of antenna ports is 2, the number of antenna ports for coherent transmission included in the fifth-type antenna port group is 3, and the number of antenna ports for coherent transmission included in the sixth-type antenna port group is 4.
- the network device receives the second antenna capability information sent by the terminal device; and the network device determines the first antenna information according to the second antenna capability information.
- the number of antenna ports used by the terminal device to send uplink information indicated by the antenna port number information is 6.
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes but is not limited to one of the following:
- the first antenna information may determine that coherent transmission is performed through antenna port 1 and antenna port 3, or the first antenna information It can be determined that coherent transmission is performed through antenna port 2 and antenna port 4, or the first antenna information can be determined to perform coherent transmission through antenna port 5 and antenna port 6, or the first antenna information can be determined to be performed through antenna port 1 and antenna port 1.
- Port 2 performs coherent transmission, or the first antenna information may determine that antenna port 3 and antenna port 5 perform coherent transmission, or the first antenna information may determine that antenna port 4 and antenna port 6 perform coherent transmission.
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes but is not limited to one of the following:
- Antenna port 4 antenna port 5 and antenna port 6;
- Antenna Port 2 Antenna Port 4, and Antenna Port 6.
- the first antenna information may determine that coherent transmission is performed through antenna port 1, antenna port 2, and antenna port 3, or, the The first antenna information may determine that coherent transmission is performed through antenna port 4, antenna port 5, and antenna port 6, or the first antenna information may determine that coherent transmission is performed through antenna port 1, antenna port 3, and antenna port 5, or, the The first antenna information may determine that coherent transmission is performed through antenna port 2, antenna port 4, and antenna port 6.
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes but is not limited to one of the following:
- Antenna port 2 antenna port 3, antenna port 4 and antenna port 5;
- Antenna Port 3 Antenna Port 4, Antenna Port 5, and Antenna Port 6.
- the first antenna information may determine that coherent transmission is performed through antenna port 1, antenna port 2, antenna port 3, and antenna port 4 , or, the first antenna information may determine that coherent transmission is performed through antenna port 2, antenna port 3, antenna port 4, and antenna port 5, or the first antenna information may determine that antenna port 3, antenna port 4, and antenna port 5 and antenna port 6 for coherent transmission.
- the first antenna information is determined based on the third antenna capability information reported by the terminal device; where the third antenna capability information is used to indicate one of the following: the seventh type antenna port group, the eighth type antenna port group, ninth type antenna port group, and tenth type antenna port group; wherein, the number of antenna ports for coherent transmission included in the seventh type antenna port group is 2, and the number of coherent transmission antenna ports included in the eighth type antenna port group The number of antenna ports for transmission is 3, the number of antenna ports for coherent transmission included in the ninth type antenna port group is 4, and the number of antenna ports for coherent transmission included in the tenth type antenna port group is 6.
- the network device receives the third antenna capability information sent by the terminal device; and the network device determines the first antenna information according to the third antenna capability information.
- the antenna port index corresponds to the element index in each column of the precoding vector in the precoding matrix; and the element corresponding to the element index associated with the antenna port index is non-zero, and the element corresponding to the other element index to zero.
- antenna port 1 corresponds to the first antenna port
- antenna port 2 corresponds to the second antenna port, and so on.
- the number of antenna ports capable of performing partially coherent transmission on the terminal device is 2, or 3, or 4, which can increase the flexibility of partially coherent transmission.
- Signaling overhead can be reduced by determining antenna ports capable of partially correlated transmission in a predefined manner. Determining the antenna ports that can perform some related transmissions by reporting the terminal capabilities can make the configuration of the network equipment more compatible with the capabilities of the terminal equipment.
- the terminal device may determine the number of ports used for uplink information transmission according to the information about the number of antenna ports.
- the antenna port number information may be the number of antenna ports used for PUSCH transmission, and the number of antenna ports used for PUSCH transmission is 8 or 6.
- the information about the number of antenna ports may be the number of antenna ports used for SRS transmission associated with PUSCH, where the same number of ports is used for PUSCH and SRS, and the number of antenna ports used for SRS transmission associated with PUSCH is 8 or 6.
- the precoding matrix for uplink information transmission determined in this application will be described in detail below through specific embodiments.
- the number of transmission layers of the uplink information is a single layer, and the antenna part of the terminal device transmits coherently.
- the antenna port information is partly coherent transmission of antennas of the terminal device, for example, the antennas of the terminal device can perform coherent transmission in the form of antenna groups.
- the antennas of the terminal device can perform coherent transmission in the form of antenna groups.
- the number of transmission layers of the uplink information is a single layer, it can be mapped to a group of antenna ports, and the antenna group can also be understood as an antenna port group.
- An antenna port capable of coherent transmission by the terminal device may be predefined, or an antenna port capable of coherent transmission by the terminal device is determined through capability information reported by the terminal device.
- the antenna ports capable of coherent transmission of the terminal device may be predefined, and the indexes of the antenna ports of the terminal device are 1-8.
- the antenna selection codebook may be understood as a codebook for beam selection, or as a codebook for selecting antenna ports capable of coherent transmission.
- the number of antenna ports that the terminal device can perform coherent transmission is 2.
- the precoding matrix for uplink information transmission can be determined according to the antenna selection codebook and the phase selection codebook. That is, the precoding matrix for uplink information transmission may be determined based on the second indication information and the third indication information.
- the antenna selection codebook may include at least one of the following:
- index 0 index 1: index 2: index 3:
- the phase selection codebook may include at least one of the following:
- index 0 index 1: index 2: index 3: Among them, 1, -1, j, -j are the QAM character sets, which can also be understood as the phase information of the selected beam.
- Example 11 taking the antenna selection codebook as index 0 as an example, the transmission codebook of the uplink information can be shown in Table 1 below, and the precoding vector of the precoding matrix corresponding to each precoding matrix index needs to perform precoding vector power normalization
- the precoding matrix can be any one or more items in Table 1 and
- the product of , P 1 is a positive integer.
- [ ⁇ ] T represents the conjugate transpose operation.
- the precoding matrix index is indicated by the first indication information, and the first indication information may occupy up to 4 bits, such as 1-4 bits, and each bit state corresponds to 1 precoding matrix in Table 1; or , determining a precoding matrix for uplink information transmission by using the second indication information and the third indication information.
- the second indication information is used to indicate an antenna selection codebook
- the third indication information is used to indicate a phase selection codebook.
- the first information may be determined according to the first indication information, and the first information may also be determined according to the second indication information and the third indication information.
- the number of antenna ports capable of coherent transmission of the terminal device is four.
- the precoding matrix for uplink information transmission can be determined according to the antenna selection codebook and the phase selection codebook. That is, the precoding matrix for uplink information transmission may be determined based on the second indication information and the third indication information.
- the antenna selection codebook may include at least one of the following:
- index 0 index 1: index 2: index 3:
- the phase selection codebook may include at least one of the following:
- Index 0 [1 1 1 1] T
- Index 1 [1 1 j j] T
- Index 2 [1 1 -1 -1] T
- Index 3 [1 1 -j -j] T
- Index 4 [1 j 1 j] T
- index 5 [1 j j -1] T
- index 6 [1 j -1 -j] T
- index 7 [1 j -j 1] T
- index 8 [1 - 1 1 -1] T
- index 9 [1 -1 j -j] T
- index 10 [1 -1 -1 1] T
- index 11 [1 -1 -j j] T
- index 12 [1 -j 1 -j] T
- index 13 [1 -j j 1] T
- index 14 [1 -j -1 j] T
- index 15 [1 -j -j -1] T .
- 1, -1, j, -j is the QAM character set, which can also be understood as the phase information of the selected beam, and [ ⁇ ] T represents the conjugate transpose operation.
- Example 12 after each antenna selection codebook is combined with the phase selection codebook, there is a common antenna selection codebook as index 0.
- the transmission codebook of uplink information is shown in Table 2 below, and the precoding matrix and power are normalized factor Multiplication, the precoding matrix can be any one or more items in the table and The product, P 2 is a positive integer.
- the precoding matrix corresponding to the precoding matrix index 16-31 can be described as: replace the element of '1' in the antenna selection codebook with index 1 with the phase selection codebook index 0 to index 15, the precoding matrix obtained after replacement in sequence.
- the element '1' of port 5 in the antenna selection codebook with index 1 is replaced by the first element '1' in the phase selection codebook index 1
- the element '1' of port 6 is replaced by the phase selection codebook
- element '1' of port 7 is replaced by the third element 'j' in index 1 of the phase selection codebook
- the element '1' of port 8 is replaced by the phase selection codebook
- the precoding matrix corresponding to the precoding matrix index 32 ⁇ 47 can be described as: the element of '1' in the antenna selection codebook with the index 2 is replaced with the phase selection codebook index 0 ⁇ index 15, and the precoding matrix obtained after sequentially replacing encoding matrix.
- the precoding matrix corresponding to the precoding matrix index 48 ⁇ 63 can be described as: replace the element of '1' in the antenna selection codebook with the index 3 with the index 0 ⁇ index 15 of the phase selection codebook, and replace them in turn to obtain the precoding matrix encoding matrix.
- the precoding matrix index is indicated by the first indication information, and the first indication information can occupy up to 6 bits, for example, 1-6 bits, and each bit state corresponds to 1 precoding matrix in Table 2; or , the precoding matrix is determined by using the second indication information and the third indication information, the second indication information is used to indicate the antenna selection codebook, and the third indication information is used to indicate the phase selection codebook.
- the first information may be determined according to the first indication information, and the first information may also be determined according to the second indication information and the third indication information.
- the number of transmission layers of the uplink information is 2 layers, and the antenna part of the terminal device transmits coherently.
- the antenna port information is partially coherently transmitted by the antenna of the terminal device, for example, the antennas of the terminal device can perform coherent transmission in the form of antenna groups.
- each layer of the 2-layer data stream may be mapped to the same set of antenna port groups, or may be mapped to different antenna port groups.
- An antenna port capable of coherent transmission by the terminal device may be predefined, or an antenna port capable of coherent transmission by the terminal device is determined through capability information reported by the terminal device.
- the antenna ports capable of coherent transmission of the terminal device may be predefined, and the indexes of the antenna ports of the terminal device are 1-8.
- the antenna selection codebook may be understood as a codebook for beam selection, or as a codebook for selecting antenna ports capable of coherent transmission.
- the number of antenna ports capable of coherent transmission of the terminal device is two.
- the precoding matrix for uplink information transmission can be determined according to the antenna selection codebook and the phase selection codebook. That is, the precoding matrix for uplink information transmission may be determined based on the second indication information and the third indication information.
- the antenna selection codebook may include at least one of the following:
- index 0 index 1: index 2: index 3: index 4: index 5:
- Index 6 Index 7: Index 8:
- the phase selection codebook may include at least one of the following:
- index 0 index 1: index 2: index 3: index 4: index 5: Index 6: Index 7: Index 8: Index 9:
- the transmission codebook of the uplink information is at least one of the indexes 0 to 9 in the following table, and the precoding vector of the precoding matrix corresponding to each precoding matrix index It is necessary to normalize the precoding vector power, that is, the precoding matrix and factor in Table 3 multiplication, the precoding matrix can be any one or more items in Table 3 and The product, P 3 is a positive integer.
- the precoding matrix index is indicated by the first indication information, and the first indication information may occupy up to 7 bits, such as 1-7 bits, and each bit state corresponds to 1 precoding matrix in Table 3; or , the precoding matrix is determined by using the second indication information and the third indication information, the second indication information is used to indicate the antenna selection codebook, and the third indication information is used to indicate the phase selection codebook.
- the first information may be determined according to the first indication information, and the first information may also be determined according to the second indication information and the third indication information.
- the number of antenna ports capable of coherent transmission of the terminal device is four.
- the precoding matrix for uplink information transmission can be determined according to the antenna selection codebook and the phase selection codebook, and the layer 2 data stream can use the same antenna port or different antenna ports.
- the antenna selection codebook may include at least one of the following:
- index 0 index 1: index 2: index 3: index 4: index 5:
- the phase selection codebook may include at least one of the following:
- index 0 index 1: index 2: index 3: index 4: index 5: Index 6: Index 7:
- 1, -1, j, -j is the QAM character set, which can also be understood as the phase information of the selected beam, and [ ⁇ ] T represents the conjugate transpose operation.
- each antenna selection codebook is combined with the phase selection codebook, there is a common antenna selection codebook as index 0.
- the transmission codebook of uplink information is shown in Table 4 below, and the precoding matrix and power are normalized factor Multiplication, the precoding matrix can be any one or more items in the table and The product, P 4 is a positive integer.
- the description in the above Table 4 "replace the element '1' in the antenna selection codebook with index 1 with the phase selection codebook index 0 to index 7" means that the precoding matrix is obtained after sequential replacement , for example, the element '1' of port 5 in the antenna selection codebook with index 1 is replaced by the first row element in the phase selection codebook index 0, and the element '1' of port 6 is replaced by the phase selection codebook index 0 In the second row of elements, the element '1' of port 7 is replaced by the third row element in the phase selection codebook index 0, and the element '1' of port 8 is replaced by the fourth row element in the phase selection codebook index 0 .
- the precoding matrix index is indicated by the first indication information, and the first indication information may occupy up to 6 bits, such as 1-6 bits, and each bit state corresponds to 1 precoding matrix in Table 4; or , the precoding matrix is determined by using the second indication information and the third indication information, the second indication information is used to indicate the antenna selection codebook, and the third indication information is used to indicate the phase selection codebook.
- the first information may be determined according to the first indication information, and the first information may also be determined according to the second indication information and the third indication information.
- the number of transmission layers of the uplink information is 4 layers, and the antenna part of the terminal device transmits coherently.
- the antenna port information is partially coherently transmitted by the antenna of the terminal device, for example, the antennas of the terminal device can perform coherent transmission in the form of antenna groups.
- the number of transmission layers of the uplink information is 4 layers, every 2 layers of the 4-layer data streams may be mapped to the same set of antenna port groups, or each 2-layer data streams may be mapped to different antenna port groups.
- An antenna port capable of coherent transmission by the terminal device may be predefined, or an antenna port capable of coherent transmission by the terminal device is determined through capability information reported by the terminal device.
- the antenna ports capable of coherent transmission of the terminal device may be predefined, and the indexes of the antenna ports of the terminal device are 1-8.
- the antenna selection codebook may be understood as a codebook for beam selection, or as a codebook for selecting antenna ports capable of coherent transmission.
- the number of antenna ports capable of coherent transmission of the terminal device is two.
- the precoding matrix for uplink information transmission can be determined according to the antenna selection codebook and the phase selection codebook.
- the antenna selection codebook may include at least one of the following:
- index 0 index 1:
- phase selection codebook may include at least one of the following:
- index 0 index 1:
- Example 31 taking the antenna selection codebook as index 0 as an example, the transmission codebook of uplink information is at least one of the indexes 0-1 in Table 5 below, taking the antenna selection codebook as index 1 as an example, the uplink information
- the transmission codebook of the information is shown in at least one of the indexes 2 to 3 in Table 5 below.
- the precoding vector of the precoding matrix corresponding to each precoding matrix index needs to be normalized for the precoding vector power, that is, in the table Precoding Matrix and Factors Multiplication, the precoding matrix can be any one or more items in the table and
- the product of P 5 is a positive integer.
- the precoding matrix index is indicated by the first indication information, and the first indication information may occupy up to 2 bits, such as 1 or 2 bits, and each bit state corresponds to 1 precoding matrix in Table 5; or , the precoding matrix is determined by using the second indication information and the third indication information, the second indication information is used to indicate the antenna selection codebook, and the third indication information is used to indicate the phase selection codebook.
- the first information may be determined according to the first indication information, and the first information may also be determined according to the second indication information and the third indication information.
- Example 32 the number of antenna ports capable of coherent transmission of the terminal device is four.
- the precoding matrix for uplink information transmission can be determined according to the antenna selection codebook and the phase selection codebook.
- the antenna selection codebook may include at least one of the following:
- index 0 index 1: index 2: index 3: index 4:
- the phase selection codebook may include at least one of the following:
- index 0 index 1:
- Example 32 after each antenna selection codebook is combined with the phase selection codebook, the antenna selection codebook is taken as an example with index 0 as an example.
- the transmission codebook of uplink information is as shown in the indexes 0 and 1 in Table 6 below.
- the antenna selection codebook is index 1
- the transmission codebook of the uplink information is shown in the index 2 and 3 in the following table 6, and so on
- the antenna selection codebook is index 4
- the transmission codebook of the uplink information is in the following table 6
- the precoding matrix and the power normalization factor Multiplication the precoding matrix can be any one or more items in the table and
- the product, P 6 is a positive integer.
- the precoding matrix index is indicated by the first indication information, and the first indication information may occupy 4 bits, such as 1-4 bits, and each bit state corresponds to 1 precoding matrix in Table 6; or,
- the precoding matrix is determined by using the second indication information and the third indication information, the second indication information is used to indicate the antenna selection codebook, and the third indication information is used to indicate the phase selection codebook.
- the first information may be determined according to the first indication information, and the first information may also be determined according to the second indication information and the third indication information.
- the terminal device can determine the precoding matrix for uplink information transmission based on the first information, and the number of antenna ports used by the terminal device to send the uplink information is greater than 4, and the number of antenna ports is a multiple of 2 , that is, the embodiment of the present application designs a codebook that supports more than 4 antenna ports, thereby improving the performance of uplink transmission.
- the method for generating the precoding matrix with 6 antenna ports is similar to the method for generating the precoding matrix with 8 antenna ports in the above example, and details are not repeated here.
- the terminal device sends precoding capability information to the network device, where the precoding capability information is used to indicate at least one Transmit Precoding Matrix Indicator (TPMI) supported by the terminal device, or the precoding
- the capability information is used to indicate the TPMI groups supported by the terminal equipment.
- the precoding matrix corresponding to the at least one TPMI supports the terminal device to perform PUSCH full-power transmission
- the precoding matrix corresponding to the TPMI group supports the terminal device to perform PUSCH full-power transmission.
- the terminal device sends the precoding capability information to the network device.
- the terminal device receives the second information sent by the network device, the second information is used to instruct the terminal device to use the indicated TPMI to send the PUSCH, and the precoding matrix corresponding to the indicated TPMI supports the terminal device to use full power to send PUSCH.
- the second information is determined based on the precoding capability information, that is, the network device may determine the second information based on the precoding capability information.
- the first information and the second information may be the same information, that is, the first information may also be used to instruct the terminal device to use the indicated TPMI to send the PUSCH.
- the precoding capability information is associated with the number of antenna ports of the terminal device and/or the first antenna information.
- the first antenna information is used to determine an antenna port group for partial coherent transmission.
- the precoding capability information is related to antenna port power information of the terminal device.
- the antenna port power information is related to the radio frequency of the terminal device, or, the antenna port power information is related to the design of a power amplifier (poweramplifier, PA) of the terminal device.
- PA power amplifier
- the at least one TPMI corresponds to one or more precoding matrices in the target precoding matrix set, or the TPMI group corresponds to one or more precoding matrices in the target precoding matrix set; wherein, the The precoding matrices in the target precoding matrix set belong to at least one precoding matrix set.
- the first set of precoding matrices includes at least one of the following:
- the first set of precoding matrices may further include precoding matrices supporting incoherent transmission, that is, only one element corresponding to one antenna port in each precoding matrix vector is 1, and the other elements are all 0.
- precoding matrix of the incoherent transmission in the first precoding matrix set includes at least one of the following:
- the first set of precoding matrices includes at least one of the following, or, the precoding matrices in the first set of precoding matrices include at least one of the following before performing precoding vector power normalization:
- the precoding matrices in the first set of precoding matrices are used to normalize the precoding vector power, that is, the precoding matrix in the first precoding matrix set is multiplied by the power normalization coefficient, and the power normalization Coefficients can be For example
- the first antenna port power information includes that the terminal device includes two coherent ports with a half-power transmission capability.
- the at least one set of precoding matrices comprises a second set of precoding matrices
- the first condition is that a precoding matrix with a transmission layer number of 2 supports 2-port or 4-port coherent transmission; or, the first condition is that a precoding matrix with a transmission layer number of 2 supports one antenna port group or two Coherent transmission of antenna port groups.
- the precoding matrix in the second precoding matrix set corresponds to the second antenna port power information of the terminal device; wherein the second antenna port power information includes that the terminal device includes two coherent A port capable of half-power transmission, or, the power information of the second antenna port includes that the terminal device includes four coherent ports with half-power transmission capability.
- the precoding matrices in the second set of precoding matrices are divided into two groups.
- the terminal device in a precoding matrix group in the second precoding matrix set, includes 2 coherent ports with half-power transmission capabilities, or, the precoding matrix supports 2-port coherent transmission, or, The precoding matrix supports coherent transmission of 1 antenna port group; in another precoding matrix group in the second precoding matrix set, the terminal device includes 4 coherent ports with half-power transmission capabilities, or, the precoding matrix The coding matrix supports coherent transmission of 4 ports, or the precoding matrix supports coherent transmission of 2 antenna port groups.
- the precoding matrix in a precoding matrix group in the second precoding matrix set consists of any two of the following items as a precoding vector (which needs to be multiplied by a power normalization coefficient):
- the precoding matrix in a precoding matrix group in the second precoding matrix set is:
- the precoding matrix in another precoding matrix group in the second precoding matrix set consists of any two of the following as precoding vectors (need to be multiplied by a power normalization coefficient), and any two vectors that are not The positions of the zero elements are different:
- the precoding matrices in the second precoding matrix set are used to normalize the precoding vector power, that is, the precoding matrix in the second precoding matrix set is multiplied by the power normalization coefficient, and the power normalization Coefficients can be For example
- the at least one set of precoding matrices includes a third set of precoding matrices
- the second condition is that a precoding matrix with 3 transmission layers supports 2-port or 6-port coherent transmission; or, the second condition is that a precoding matrix with 3 transmission layers supports one antenna port group or three Coherent transmission of antenna port groups.
- the precoding matrix in the third precoding matrix set corresponds to the third antenna port power information of the terminal device; wherein, the third antenna port power information includes that the terminal device includes two coherent Ports capable of half-power transmission, or, the power information of the third antenna port includes that the terminal device includes six coherent ports with half-power transmission capability.
- the precoding matrices in the third precoding matrix set are divided into two groups; wherein,
- the terminal device includes 2 coherent ports with half-power transmission capability, or, the precoding matrix supports coherent transmission of 2 ports, or, the precoding matrix Support coherent transmission of 1 antenna port group;
- the terminal device includes 6 coherent ports with half-power transmission capabilities, or, the precoding matrix supports 6-port coherent transmission, or, the precoding The matrix supports coherent transmission for 3 antenna port groups.
- the precoding matrix in a precoding matrix group in the third precoding matrix set is composed of the following three arbitrary items as the precoding vector (need to be multiplied by the power normalization coefficient):
- the precoding matrix in a precoding matrix group in the third precoding matrix set is:
- the precoding matrix in another precoding matrix group in the third precoding matrix set is composed of the following three items as precoding vectors (need to be multiplied by the power normalization coefficient), and the non- The positions of the zero elements are different:
- the precoding matrices in the third precoding matrix set are used to normalize the power of the precoding vector, that is, the above precoding matrix is multiplied by the power normalization coefficient, and the power normalization coefficient can be For example
- the at least one set of precoding matrices comprises a fourth set of precoding matrices
- the third condition is that a precoding matrix with 4 transmission layers supports coherent transmission of 4 ports; or, the third condition is that a precoding matrix with 3 transmission layers supports coherent transmission of 2 antenna port groups.
- the precoding matrix in the fourth precoding matrix set corresponds to the fourth antenna port power information of the terminal device; where the fourth antenna port power information includes that the terminal device includes four coherent port with half power transmit capability.
- the terminal device in the fourth precoding matrix set, includes 4 coherent ports with half-power transmission capabilities; or, the precoding matrix can support coherent transmission of 4 ports; or, the precoding matrix can Supports coherent transmission for 2 antenna port groups.
- the precoding matrix in the fourth precoding matrix set is composed of the following four items as the precoding vector (need to be multiplied by the power normalization coefficient):
- the precoding matrix in a precoding matrix group in the fourth precoding matrix set is:
- the precoding matrix in the fourth precoding matrix set is used for precoding vector power normalization, that is, the above precoding matrix is multiplied by the power normalization coefficient, and the power normalization coefficient can be For example
- the at least one set of precoding matrices includes a fifth set of precoding matrices
- the fourth condition is that a precoding matrix with 5 transmission layers supports coherent transmission with 4 ports; or, the fourth condition is that a precoding matrix with 5 transmission layers supports coherent transmission with 2 antenna port groups.
- the precoding matrix in the fifth precoding matrix set corresponds to the fifth antenna port power information of the terminal device; wherein, the fifth antenna port power information includes that the terminal device includes five coherent port with half power transmit capability.
- the terminal device in the fifth precoding matrix set, includes 5 coherent ports with half-power transmission capabilities; or, the precoding matrix can support coherent transmission of 4 ports; or, the precoding matrix can support Coherent transmission for 2 antenna port groups.
- the precoding matrix in the fifth precoding matrix set is composed of any of the following five items as the precoding vector (need to be multiplied by the power normalization coefficient):
- the precoding matrix in a precoding matrix group in the fifth precoding matrix set is:
- the precoding matrices in the fifth precoding matrix set are used to normalize the power of the precoding vector, that is, the above precoding matrix is multiplied by the power normalization coefficient, and the power normalization coefficient can be For example
- the at least one set of precoding matrices comprises a sixth set of precoding matrices
- the fifth condition is that a precoding matrix with 6 transmission layers supports coherent transmission of 6 ports; or, the fifth condition is that a precoding matrix with 6 transmission layers supports coherent transmission of 3 antenna port groups.
- the precoding matrix in the sixth precoding matrix set corresponds to the sixth antenna port power information of the terminal device; wherein, the sixth antenna port power information includes that the terminal device includes six coherent port with half power transmit capability.
- the terminal device in the sixth precoding matrix set, includes 6 coherent ports with half-power transmission capability; or, the precoding matrix can support coherent transmission of 6 ports; or, the precoding matrix can support Coherent transmission for groups of 3 antenna ports.
- the precoding matrix in the sixth precoding matrix set is composed of any of the following 6 items as the precoding vector (need to be multiplied by the power normalization coefficient):
- the precoding matrix in a precoding matrix group in the sixth precoding matrix set is:
- the precoding matrix in the sixth precoding matrix set is used to normalize the power of the precoding vector, that is, the above precoding matrix is multiplied by the power normalization coefficient, and the power normalization coefficient can be For example
- the at least one set of precoding matrices includes a seventh set of precoding matrices
- the sixth condition is that a precoding matrix with 7 transmission layers supports coherent transmission of 6 ports; or, the sixth condition is that a precoding matrix with 7 transmission layers supports coherent transmission of 3 antenna port groups.
- the precoding matrix in the seventh precoding matrix set corresponds to the seventh antenna port power information of the terminal device; wherein, the seventh antenna port power information includes that the terminal device includes six coherent port with half-power transmit capability.
- the terminal device in the seventh precoding matrix set, includes 6 coherent ports with half-power transmission capabilities; or, the precoding matrix can support coherent transmission of 6 ports; or, the precoding matrix can support Coherent transmission for groups of 3 antenna ports.
- the precoding matrix in the seventh precoding matrix set is composed of any of the following 7 items as the precoding vector (need to be multiplied by the power normalization coefficient):
- the precoding matrix in a precoding matrix group in the seventh precoding matrix set is:
- the precoding matrices in the seventh precoding matrix set are used to normalize the power of the precoding vector, that is, the above precoding matrix is multiplied by the power normalization coefficient, and the power normalization coefficient can be For example
- the at least one set of precoding matrices includes an eighth set of precoding matrices
- the terminal device in the eighth precoding matrix set, includes 4 coherent ports with half-power transmission capability, or, the precoding matrix supports coherent transmission of 4 ports, or, the precoding matrix supports Coherent transmission for 2 antenna port groups.
- the at least one set of precoding matrices includes a ninth set of precoding matrices
- the terminal device in the ninth precoding matrix set, includes 6 coherent ports with half-power transmission capability, or, the precoding matrix supports coherent transmission of 6 ports, or, the precoding matrix supports Coherent transmission for groups of 3 antenna ports.
- the terminal device can report the precoding capability information to the network device, and the network device can instruct the terminal device to use the indicated TPMI to send the PUSCH based on the precoding capability information, thereby improving the performance of uplink transmission.
- Fig. 5 shows a schematic block diagram of a terminal device 300 according to an embodiment of the present application.
- the terminal device 300 includes:
- a communication unit 310 configured to acquire first information, where the first information is used to determine a precoding matrix for uplink information transmission;
- a processing unit 320 configured to precode the uplink information by using the precoding matrix
- the communication unit 310 is also used to send precoded uplink information
- the first information is determined according to at least one of the following: codebook subset configuration information, antenna port number information, maximum number of transmission layers of the uplink information, waveform used for uplink transmission, first indication information, second indication information and third instruction information;
- the codebook subset configuration information is used to indicate the codebook subset to which the precoding matrix belongs
- the antenna port number information is used to indicate the number of antenna ports used by the terminal device to send the uplink information
- the antenna port number The number is greater than 4, and the number of antenna ports is a multiple of 2
- the first indication information is used to indicate the precoding matrix index
- the second indication information is used to indicate the antenna selection codebook
- the third indication information is used to indicate the phase Select a codebook.
- the codebook subset configuration information is determined according to first capability information and first antenna information
- the first capability information includes a codebook subset that the terminal device supports partially coherent transmission
- the first antenna information is used to determine an antenna port group for partial coherent transmission.
- the first antenna information is predefined, or the first antenna information is determined based on the antenna capability information reported by the terminal device.
- the number of antenna ports for coherent transmission of the terminal device is N 1 , where N 1 is greater than or equal to 2, and N 1 is less than 8.
- the number of antenna ports used by the terminal device to send uplink information indicated by the antenna port number information is 8.
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes one of the following:
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes one of the following:
- Antenna port 5 antenna port 6, antenna port 7 and antenna port 8;
- Antenna Port 2 Antenna Port 4, Antenna Port 6, and Antenna Port 8.
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes one of the following:
- Antenna Port 1 Antenna Port 2, Antenna Port 3, Antenna Port 4, Antenna Port 5, and Antenna Port 6;
- Antenna Port 2 Antenna Port 3, Antenna Port 4, Antenna Port 5, Antenna Port 6, and Antenna Port 7;
- Antenna Port 3 Antenna Port 4, Antenna Port 5, Antenna Port 6, Antenna Port 7, and Antenna Port 8.
- the number of antenna ports for coherent transmission of the terminal device is N 2 , where N 2 is greater than or equal to 2, and N 2 is less than 6.
- the number of antenna ports used by the terminal device to send uplink information indicated by the antenna port number information is 6.
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes one of the following:
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes one of the following:
- Antenna port 4 antenna port 5 and antenna port 6;
- Antenna Port 2 Antenna Port 4, and Antenna Port 6.
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes one of the following:
- Antenna port 2 antenna port 3, antenna port 4 and antenna port 5;
- Antenna Port 3 Antenna Port 4, Antenna Port 5, and Antenna Port 6.
- the first antenna information is determined based on the first antenna capability information reported by the terminal device; optionally, in this case, the antenna port number information indicated by the terminal device sends the uplink information.
- the number of antenna ports is 8;
- the first antenna capability information is used to indicate one of the following: a first type antenna port group, a second type antenna port group, and a third type antenna port group;
- the number of antenna ports for coherent transmission included in the first type antenna port group is 2
- the number of antenna ports for coherent transmission included in the second type antenna port group is 4
- the number of coherent transmission antenna ports included in the third type antenna port group The number of transmitted antenna ports is six.
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes one of the following :
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes one of the following :
- Antenna port 5 antenna port 6, antenna port 7 and antenna port 8;
- Antenna Port 2 Antenna Port 4, Antenna Port 6, and Antenna Port 8.
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes one of the following :
- Antenna Port 1 Antenna Port 2, Antenna Port 3, Antenna Port 4, Antenna Port 5, and Antenna Port 6;
- Antenna Port 2 Antenna Port 3, Antenna Port 4, Antenna Port 5, Antenna Port 6, and Antenna Port 7;
- Antenna Port 3 Antenna Port 4, Antenna Port 5, Antenna Port 6, Antenna Port 7, and Antenna Port 8.
- the first antenna information is determined based on the second antenna capability information reported by the terminal device; optionally, in this case, the antenna port number information indicated by the terminal device sends the uplink information.
- the number of antenna ports is 6;
- the second antenna capability information is used to indicate one of the following: the fourth type antenna port group, the fifth type antenna port group, and the sixth type antenna port group;
- the number of antenna ports for coherent transmission included in the fourth type antenna port group is 2
- the number of antenna ports for coherent transmission included in the fifth type antenna port group is 3
- the number of coherent transmission antenna ports included in the sixth type antenna port group The number of transmitted antenna ports is four.
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes one of the following :
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes one of the following :
- Antenna port 4 antenna port 5 and antenna port 6;
- Antenna Port 2 Antenna Port 4, and Antenna Port 6.
- the antenna port index corresponding to the antenna port group for coherent transmission determined by the first antenna information includes one of the following :
- Antenna port 2 antenna port 3, antenna port 4 and antenna port 5;
- Antenna Port 3 Antenna Port 4, Antenna Port 5, and Antenna Port 6.
- the first antenna information is determined based on the third antenna capability information reported by the terminal device;
- the third antenna capability information is used to indicate one of the following: the seventh type antenna port group, the eighth type antenna port group, the ninth type antenna port group, and the tenth type antenna port group;
- the number of antenna ports for coherent transmission included in the seventh-type antenna port group is 2
- the number of antenna ports for coherent transmission included in the eighth-type antenna port group is 3
- the number of coherent transmission antenna ports included in the ninth-type antenna port group The number of antenna ports for transmission is 4, and the number of antenna ports for coherent transmission included in the tenth type antenna port group is 6.
- the antenna port index corresponds to the element index in each column of the precoding vector in the precoding matrix; and the element corresponding to the element index associated with the antenna port index is non-zero, and the element corresponding to the other element index to zero.
- the communication unit 310 before the terminal device obtains the first information, the communication unit 310 is further configured to send precoding capability information; wherein,
- the precoding capability information is used to indicate at least one transmission precoding matrix indication TPMI supported by the terminal device, and the precoding matrix corresponding to the at least one TPMI supports the terminal device to perform physical uplink shared channel PUSCH full power transmission; or,
- the precoding capability information is used to indicate the TPMI group supported by the terminal device, and the precoding matrix corresponding to the TPMI group supports the terminal device to perform PUSCH full power transmission.
- the communication unit 310 is also configured to receive second information
- the second information is determined based on the precoding capability information, and the second information is used to instruct the terminal device to use the indicated TPMI to send the PUSCH, and the precoding matrix corresponding to the indicated TPMI supports the terminal device to use full power to send PUSCH.
- the precoding capability information is associated with the number of antenna ports and/or first antenna information of the terminal device, where the first antenna information is used to determine an antenna port group for partially coherent transmission; or,
- the precoding capability information is related to the antenna port power information of the terminal device, where the antenna port power information is related to the radio frequency or power amplifier of the terminal device.
- the at least one TPMI corresponds to one or more precoding matrices in the set of target precoding matrices, or, the TPMI group corresponds to one or more precoding matrices in the set of target precoding matrices;
- the precoding matrices in the target precoding matrix set belong to at least one precoding matrix set.
- the at least one set of precoding matrices comprises a first set of precoding matrices
- the number of transmission layers corresponding to the precoding matrix in the first precoding matrix set is 1, and the precoding matrix in the first precoding matrix set corresponds to the first antenna port power information of the terminal device, the first An antenna port power information includes that the terminal equipment includes two coherent ports with half-power transmission capabilities.
- the at least one set of precoding matrices comprises a second set of precoding matrices
- the number of transmission layers corresponding to the precoding matrix in the second precoding matrix set is 2, and the precoding matrix in the second precoding matrix set is a combination of any two precoding matrices with a transmission layer number of 1 , or, the precoding matrix in the second precoding matrix set is a combination of two items satisfying the first condition in the precoding matrix with the number of transmission layers being 1;
- the first condition is that a precoding matrix with a number of transmission layers of 2 supports 2-port or 4-port coherent transmission; or, the first condition is that a precoding matrix with a number of transmission layers of 2 supports one antenna port group or two Coherent transmission of antenna port groups.
- the precoding matrix in the second precoding matrix set corresponds to the second antenna port power information of the terminal device
- the second antenna port power information includes that the terminal device includes two coherent ports with half-power transmission capabilities, or the second antenna port power information includes that the terminal device includes four coherent ports with half-power transmission capabilities port.
- the precoding matrices in the second set of precoding matrices are divided into two groups; wherein,
- the terminal device includes 2 coherent ports with half-power transmission capability, or, the precoding matrix supports coherent transmission of 2 ports, or, the precoding matrix Support coherent transmission of 1 antenna port group;
- the terminal device includes 4 coherent ports with half-power transmission capability, or, the precoding matrix supports 4-port coherent transmission, or, the precoding The matrix supports coherent transmission for 2 antenna port groups.
- the at least one set of precoding matrices includes a third set of precoding matrices
- the number of transmission layers corresponding to the precoding matrix in the third precoding matrix set is 3, and the precoding matrix in the third precoding matrix set is a combination of any three precoding matrices whose transmission layer number is 1 , or, the precoding matrix in the third precoding matrix set is a combination of three items satisfying the second condition in the precoding matrix with the number of transmission layers being 1;
- the second condition is that a precoding matrix with a number of transmission layers of 3 supports coherent transmission of 2 ports or 6 ports; or, the second condition is that a precoding matrix with a number of transmission layers of 3 supports one antenna port group or three Coherent transmission of antenna port groups.
- the precoding matrix in the third precoding matrix set corresponds to the third antenna port power information of the terminal device
- the third antenna port power information includes that the terminal device includes two coherent ports with half-power transmission capabilities, or the third antenna port power information includes that the terminal device includes six coherent ports with half-power transmission capabilities port.
- the precoding matrices in the third precoding matrix set are divided into two groups; wherein,
- the terminal device includes 2 coherent ports with half-power transmission capability, or, the precoding matrix supports coherent transmission of 2 ports, or, the precoding matrix Support coherent transmission of 1 antenna port group;
- the terminal device includes 6 coherent ports with half-power transmission capabilities, or, the precoding matrix supports 6-port coherent transmission, or, the precoding The matrix supports coherent transmission for 3 antenna port groups.
- the at least one set of precoding matrices comprises a fourth set of precoding matrices
- the number of transmission layers corresponding to the precoding matrix in the fourth precoding matrix set is 4, and the precoding matrix in the fourth precoding matrix set is a combination of any four precoding matrices with a transmission layer number of 1 , or, the precoding matrix in the fourth precoding matrix set is a combination of four items satisfying the third condition in the precoding matrix with the number of transmission layers being 1;
- the third condition is that a precoding matrix with 4 transmission layers supports coherent transmission of 4 ports; or, the third condition is that a precoding matrix with 3 transmission layers supports coherent transmission of 2 antenna port groups.
- the precoding matrix in the fourth precoding matrix set corresponds to the fourth antenna port power information of the terminal device
- the fourth antenna port power information includes that the terminal device includes four coherent ports with half-power transmission capabilities.
- the at least one set of precoding matrices includes a fifth set of precoding matrices
- the number of transmission layers corresponding to the precoding matrix in the fifth precoding matrix set is 5, and the precoding matrix in the fifth precoding matrix set is a combination of any five precoding matrices whose transmission layer number is 1 , or, the precoding matrix in the fifth precoding matrix set is a combination of five items satisfying the fourth condition in the precoding matrix with the number of transmission layers being 1;
- the fourth condition is that the precoding matrix with 5 transmission layers supports coherent transmission with 4 ports; or, the fourth condition is that the precoding matrix with 5 transmission layers supports coherent transmission with 2 antenna port groups.
- the precoding matrix in the fifth precoding matrix set corresponds to the fifth antenna port power information of the terminal device
- the fifth antenna port power information includes that the terminal device includes five coherent ports with half-power transmission capabilities.
- the at least one set of precoding matrices comprises a sixth set of precoding matrices
- the number of transmission layers corresponding to the precoding matrix in the sixth precoding matrix set is 6, and the precoding matrix in the sixth precoding matrix set is a combination of any six precoding matrices with a transmission layer number of 1 , or, the precoding matrix in the sixth precoding matrix set is a combination of six items satisfying the fifth condition in the precoding matrix with the number of transmission layers being 1;
- the fifth condition is that a precoding matrix with 6 transmission layers supports coherent transmission of 6 ports; or, the fifth condition is that a precoding matrix with 6 transmission layers supports coherent transmission of 3 antenna port groups.
- the precoding matrix in the sixth precoding matrix set corresponds to the sixth antenna port power information of the terminal device
- the sixth antenna port power information includes that the terminal device includes six coherent ports with half-power transmission capabilities.
- the at least one set of precoding matrices includes a seventh set of precoding matrices
- the precoding matrix in the seventh precoding matrix set is 7, and the precoding matrix in the seventh precoding matrix set is a combination of any seven precoding matrices with a transmission layer number of 1 , or, the precoding matrix in the seventh precoding matrix set is a combination of seven items satisfying the sixth condition in the precoding matrix with the number of transmission layers being 1;
- the sixth condition is that a precoding matrix with 7 transmission layers supports coherent transmission of 6 ports; or, the sixth condition is that a precoding matrix with 7 transmission layers supports coherent transmission of 3 antenna port groups.
- the precoding matrix in the seventh precoding matrix set corresponds to the seventh antenna port power information of the terminal device
- the seventh antenna port power information includes that the terminal device includes six coherent ports with half-power transmission capabilities.
- the at least one set of precoding matrices includes an eighth set of precoding matrices
- the number of transmission layers corresponding to the precoding matrix in the eighth precoding matrix set is 1, and the precoding matrix in the eighth precoding matrix set supports coherent transmission of 4 antenna ports.
- the terminal device in the eighth precoding matrix set, includes 4 coherent ports with half-power transmission capability, or, the precoding matrix supports coherent transmission of 4 ports, or, the precoding matrix supports Coherent transmission for 2 antenna port groups.
- the at least one set of precoding matrices comprises a ninth set of precoding matrices
- the number of transmission layers corresponding to the precoding matrix in the ninth precoding matrix set is 1, and the precoding matrix in the ninth precoding matrix set supports coherent transmission of 6 antenna ports.
- the terminal device in the ninth precoding matrix set, includes 6 coherent ports with half-power transmission capability, or, the precoding matrix supports coherent transmission of 6 ports, or, the precoding matrix supports Coherent transmission for groups of 3 antenna ports.
- the uplink information includes at least one of the following:
- the above-mentioned communication unit may be a communication interface or a transceiver, or an input-output interface of a communication chip or a system-on-chip.
- the aforementioned processing unit may be one or more processors.
- terminal device 300 may correspond to the terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 300 are to realize the method shown in FIG. 4
- the corresponding process of the terminal device in 200 will not be repeated here.
- Fig. 6 shows a schematic block diagram of a network device 400 according to an embodiment of the present application.
- the network device 400 includes:
- a communication unit 410 configured to send first information to the terminal device, where the first information is used to determine a precoding matrix for uplink information transmission;
- the first information is determined according to at least one of the following: codebook subset configuration information, antenna port number information, maximum number of transmission layers of the uplink information, waveform used for uplink transmission, first indication information, second indication information and third instruction information;
- the codebook subset configuration information is used to indicate the codebook subset to which the precoding matrix belongs
- the antenna port number information is used to indicate the number of antenna ports used by the terminal device to send the uplink information
- the antenna port number The number is greater than 4, and the number of antenna ports is a multiple of 2
- the first indication information is used to indicate the precoding matrix index
- the second indication information is used to indicate the antenna selection codebook
- the third indication information is used to indicate the phase Select a codebook.
- the network device 400 includes: a processing unit 420;
- the communication unit 410 is further configured to receive first capability information sent by the terminal device, where the first capability information includes a codebook subset that the terminal device supports partially coherent transmission;
- the processing unit 420 is configured to determine the codebook subset configuration information according to the first capability information and first antenna information, where the first antenna information is used to determine an antenna port group for partial coherent transmission.
- the first antenna information is predefined, or the first antenna information is determined based on antenna capability information reported by the terminal device.
- the number of antenna ports for coherent transmission of the terminal device is N 1 , where N 1 is greater than or equal to 2, and N 1 is less than 8.
- the number of antenna ports used by the terminal device to send uplink information indicated by the antenna port number information is 8.
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes one of the following:
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes one of the following:
- Antenna port 5 antenna port 6, antenna port 7 and antenna port 8;
- Antenna Port 2 Antenna Port 4, Antenna Port 6, and Antenna Port 8.
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes one of the following:
- Antenna Port 1 Antenna Port 2, Antenna Port 3, Antenna Port 4, Antenna Port 5, and Antenna Port 6;
- Antenna Port 2 Antenna Port 3, Antenna Port 4, Antenna Port 5, Antenna Port 6, and Antenna Port 7;
- Antenna Port 3 Antenna Port 4, Antenna Port 5, Antenna Port 6, Antenna Port 7, and Antenna Port 8.
- the number of antenna ports for coherent transmission of the terminal device is N 2 , where N 2 is greater than or equal to 2, and N 2 is less than 6.
- the number of antenna ports used by the terminal device to send uplink information indicated by the antenna port number information is 6.
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes one of the following:
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes one of the following:
- Antenna port 4 antenna port 5 and antenna port 6;
- Antenna Port 2 Antenna Port 4, and Antenna Port 6.
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes one of the following:
- Antenna port 2 antenna port 3, antenna port 4 and antenna port 5;
- Antenna Port 3 Antenna Port 4, Antenna Port 5, and Antenna Port 6.
- the network device 400 includes: a processing unit 420;
- the communication unit 410 is also configured to receive the first antenna capability information sent by the terminal device, where the first antenna capability information is used to indicate one of the following: a first type antenna port group, a second type antenna port group, and a third type antenna port group; wherein, the number of antenna ports for coherent transmission included in the first type antenna port group is 2, the number of coherent transmission antenna ports included in the second type antenna port group is 4, and the third type antenna port group The number of antenna ports for coherent transmission included is 6;
- the processing unit 420 is configured to determine the first antenna information according to the first antenna capability information.
- the number of antenna ports used by the terminal device to send uplink information indicated by the antenna port number information is 8.
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes one of the following :
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes one of the following :
- Antenna port 5 antenna port 6, antenna port 7 and antenna port 8;
- Antenna Port 2 Antenna Port 4, Antenna Port 6, and Antenna Port 8.
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes one of the following :
- Antenna Port 1 Antenna Port 2, Antenna Port 3, Antenna Port 4, Antenna Port 5, and Antenna Port 6;
- Antenna Port 2 Antenna Port 3, Antenna Port 4, Antenna Port 5, Antenna Port 6, and Antenna Port 7;
- Antenna Port 3 Antenna Port 4, Antenna Port 5, Antenna Port 6, Antenna Port 7, and Antenna Port 8.
- the network device 400 includes: a processing unit 420;
- the communication unit 410 is also configured to receive the second antenna capability information sent by the terminal device, the second antenna capability information is used to indicate one of the following: the fourth type antenna port group, the fifth type antenna port group, the sixth type antenna Port group; wherein, the number of antenna ports for coherent transmission included in the fourth-type antenna port group is 2, the number of antenna ports for coherent transmission included in the fifth-type antenna port group is 3, and the sixth-type antenna port group includes The number of antenna ports for coherent transmission included is 4;
- the processing unit 420 is configured to determine the first antenna information according to the second antenna capability information.
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes one of the following :
- the antenna port index corresponding to the coherent transmission antenna port group determined by the first antenna information includes one of the following :
- Antenna port 4 antenna port 5 and antenna port 6;
- Antenna Port 2 Antenna Port 4, and Antenna Port 6.
- the antenna port index corresponding to the antenna port group for coherent transmission determined by the first antenna information includes one of the following :
- Antenna port 2 antenna port 3, antenna port 4 and antenna port 5;
- Antenna Port 3 Antenna Port 4, Antenna Port 5, and Antenna Port 6.
- the network device 400 includes: a processing unit 420;
- the communication unit is also configured to receive third antenna capability information sent by the terminal device, where the third antenna capability information is used to indicate one of the following: the seventh type antenna port group, the eighth type antenna port group, and the ninth type antenna port Group, tenth type antenna port group; wherein, the number of antenna ports for coherent transmission included in the seventh type antenna port group is 2, and the number of antenna ports for coherent transmission included in the eighth type antenna port group is 3, the The number of antenna ports for coherent transmission included in the ninth type antenna port group is 4, and the number of antenna ports for coherent transmission included in the tenth type antenna port group is 6;
- the processing unit 420 is configured to determine the first antenna information according to the third antenna capability information.
- the antenna port index corresponds to the element index in each column of the precoding vector in the precoding matrix; and the element corresponding to the element index associated with the antenna port index is non-zero, and the element corresponding to the other element index to zero.
- the communication unit 410 before the network device sends the first information, is further configured to receive the precoding capability information sent by the terminal device; wherein,
- the precoding capability information is used to indicate at least one transmission precoding matrix indication TPMI supported by the terminal device, and the precoding matrix corresponding to the at least one TPMI supports the terminal device to perform physical uplink shared channel PUSCH full power transmission; or,
- the precoding capability information is used to indicate the TPMI group supported by the terminal device, and the precoding matrix corresponding to the TPMI group supports the terminal device to perform PUSCH full power transmission.
- the communication unit 410 is further configured to send second information to the terminal device
- the second information is determined based on the precoding capability information, and the second information is used to instruct the terminal device to use the indicated TPMI to send the PUSCH, and the precoding matrix corresponding to the indicated TPMI supports the terminal device to use full power to send PUSCH.
- the precoding capability information is associated with the number of antenna ports and/or first antenna information of the terminal device, where the first antenna information is used to determine an antenna port group for partially coherent transmission; or,
- the precoding capability information is related to the antenna port power information of the terminal device, where the antenna port power information is related to the radio frequency or power amplifier of the terminal device.
- the at least one TPMI corresponds to one or more precoding matrices in the set of target precoding matrices, or, the TPMI group corresponds to one or more precoding matrices in the set of target precoding matrices;
- the precoding matrices in the target precoding matrix set belong to at least one precoding matrix set.
- the at least one set of precoding matrices comprises a first set of precoding matrices
- the number of transmission layers corresponding to the precoding matrix in the first precoding matrix set is 1, and the precoding matrix in the first precoding matrix set corresponds to the first antenna port power information of the terminal device, the first An antenna port power information includes that the terminal equipment includes two coherent ports with half-power transmission capability.
- the at least one set of precoding matrices comprises a second set of precoding matrices
- the number of transmission layers corresponding to the precoding matrix in the second precoding matrix set is 2, and the precoding matrix in the second precoding matrix set is a combination of any two precoding matrices with a transmission layer number of 1 , or, the precoding matrix in the second precoding matrix set is a combination of two items satisfying the first condition in the precoding matrix with the number of transmission layers being 1;
- the first condition is that a precoding matrix with a number of transmission layers of 2 supports 2-port or 4-port coherent transmission; or, the first condition is that a precoding matrix with a number of transmission layers of 2 supports one antenna port group or two Coherent transmission of antenna port groups.
- the precoding matrix in the second precoding matrix set corresponds to the second antenna port power information of the terminal device
- the second antenna port power information includes that the terminal device includes two coherent ports with half-power transmission capabilities, or the second antenna port power information includes that the terminal device includes four coherent ports with half-power transmission capabilities port.
- the precoding matrices in the second set of precoding matrices are divided into two groups; wherein,
- the terminal device includes 2 coherent ports with half-power transmission capability, or, the precoding matrix supports coherent transmission of 2 ports, or, the precoding matrix Support coherent transmission of 1 antenna port group;
- the terminal device includes 4 coherent ports with half-power transmission capability, or, the precoding matrix supports 4-port coherent transmission, or, the precoding The matrix supports coherent transmission for 2 antenna port groups.
- the at least one set of precoding matrices includes a third set of precoding matrices
- the number of transmission layers corresponding to the precoding matrix in the third precoding matrix set is 3, and the precoding matrix in the third precoding matrix set is a combination of any three precoding matrices whose transmission layer number is 1 , or, the precoding matrix in the third precoding matrix set is a combination of three items satisfying the second condition in the precoding matrix with the number of transmission layers being 1;
- the second condition is that a precoding matrix with a number of transmission layers of 3 supports coherent transmission of 2 ports or 6 ports; or, the second condition is that a precoding matrix with a number of transmission layers of 3 supports one antenna port group or three Coherent transmission of antenna port groups.
- the precoding matrix in the third precoding matrix set corresponds to the third antenna port power information of the terminal device
- the third antenna port power information includes that the terminal device includes two coherent ports with half-power transmission capabilities, or the third antenna port power information includes that the terminal device includes six coherent ports with half-power transmission capabilities port.
- the precoding matrices in the third precoding matrix set are divided into two groups; wherein,
- the terminal device includes 2 coherent ports with half-power transmission capability, or, the precoding matrix supports coherent transmission of 2 ports, or, the precoding matrix Support coherent transmission of 1 antenna port group;
- the terminal device includes 6 coherent ports with half-power transmission capabilities, or, the precoding matrix supports 6-port coherent transmission, or, the precoding The matrix supports coherent transmission for 3 antenna port groups.
- the at least one set of precoding matrices comprises a fourth set of precoding matrices
- the number of transmission layers corresponding to the precoding matrix in the fourth precoding matrix set is 4, and the precoding matrix in the fourth precoding matrix set is a combination of any four precoding matrices with a transmission layer number of 1 , or, the precoding matrix in the fourth precoding matrix set is a combination of four items satisfying the third condition in the precoding matrix with the number of transmission layers being 1;
- the third condition is that a precoding matrix with 4 transmission layers supports coherent transmission of 4 ports; or, the third condition is that a precoding matrix with 3 transmission layers supports coherent transmission of 2 antenna port groups.
- the precoding matrix in the fourth precoding matrix set corresponds to the fourth antenna port power information of the terminal device
- the fourth antenna port power information includes that the terminal device includes four coherent ports with half-power transmission capabilities.
- the at least one set of precoding matrices includes a fifth set of precoding matrices
- the number of transmission layers corresponding to the precoding matrix in the fifth precoding matrix set is 5, and the precoding matrix in the fifth precoding matrix set is a combination of any five precoding matrices whose transmission layer number is 1 , or, the precoding matrix in the fifth precoding matrix set is a combination of five items satisfying the fourth condition in the precoding matrix with the number of transmission layers being 1;
- the fourth condition is that the precoding matrix with 5 transmission layers supports coherent transmission with 4 ports; or, the fourth condition is that the precoding matrix with 5 transmission layers supports coherent transmission with 2 antenna port groups.
- the precoding matrix in the fifth precoding matrix set corresponds to the fifth antenna port power information of the terminal device
- the fifth antenna port power information includes that the terminal device includes five coherent ports with half-power transmission capabilities.
- the at least one set of precoding matrices comprises a sixth set of precoding matrices
- the number of transmission layers corresponding to the precoding matrix in the sixth precoding matrix set is 6, and the precoding matrix in the sixth precoding matrix set is a combination of any six precoding matrices with a transmission layer number of 1 , or, the precoding matrix in the sixth precoding matrix set is a combination of six items satisfying the fifth condition in the precoding matrix with the number of transmission layers being 1;
- the fifth condition is that a precoding matrix with 6 transmission layers supports coherent transmission of 6 ports; or, the fifth condition is that a precoding matrix with 6 transmission layers supports coherent transmission of 3 antenna port groups.
- the precoding matrix in the sixth precoding matrix set corresponds to the sixth antenna port power information of the terminal device
- the sixth antenna port power information includes that the terminal device includes six coherent ports with half-power transmission capabilities.
- the at least one set of precoding matrices includes a seventh set of precoding matrices
- the precoding matrix in the seventh precoding matrix set is 7, and the precoding matrix in the seventh precoding matrix set is a combination of any seven precoding matrices with a transmission layer number of 1 , or, the precoding matrix in the seventh precoding matrix set is a combination of seven items satisfying the sixth condition in the precoding matrix with the number of transmission layers being 1;
- the sixth condition is that a precoding matrix with 7 transmission layers supports coherent transmission of 6 ports; or, the sixth condition is that a precoding matrix with 7 transmission layers supports coherent transmission of 3 antenna port groups.
- the precoding matrix in the seventh precoding matrix set corresponds to the seventh antenna port power information of the terminal device
- the seventh antenna port power information includes that the terminal device includes six coherent ports with half-power transmission capabilities.
- the at least one set of precoding matrices includes an eighth set of precoding matrices
- the number of transmission layers corresponding to the precoding matrix in the eighth precoding matrix set is 1, and the precoding matrix in the eighth precoding matrix set supports coherent transmission of 4 antenna ports.
- the terminal device in the eighth precoding matrix set, includes 4 coherent ports with half-power transmission capability, or, the precoding matrix supports coherent transmission of 4 ports, or, the precoding matrix supports Coherent transmission for 2 antenna port groups.
- the at least one set of precoding matrices comprises a ninth set of precoding matrices
- the number of transmission layers corresponding to the precoding matrix in the ninth precoding matrix set is 1, and the precoding matrix in the ninth precoding matrix set supports coherent transmission of 6 antenna ports.
- the terminal device in the ninth precoding matrix set, includes 6 coherent ports with half-power transmission capability, or, the precoding matrix supports coherent transmission of 6 ports, or, the precoding matrix supports Coherent transmission for groups of 3 antenna ports.
- the uplink information includes at least one of the following:
- the above-mentioned communication unit may be a communication interface or a transceiver, or an input-output interface of a communication chip or a system-on-chip.
- the aforementioned processing unit may be one or more processors.
- the network device 400 may correspond to the network device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the network device 400 are to realize the method shown in FIG. 4
- the corresponding processes of the network devices in 200 will not be repeated here.
- FIG. 7 is a schematic structural diagram of a communication device 500 provided in an embodiment of the present application.
- the communication device 500 shown in FIG. 7 includes a processor 510, and the processor 510 can invoke and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
- the communication device 500 may further include a memory 520 .
- the processor 510 can invoke and run a computer program from the memory 520, so as to implement the method in the embodiment of the present application.
- the memory 520 may be an independent device independent of the processor 510 , or may be integrated in the processor 510 .
- the communication device 500 may further include a transceiver 530, and the processor 510 may control the transceiver 530 to communicate with other devices, specifically, to send information or data to other devices, or Receive information or data from other devices.
- the transceiver 530 may include a transmitter and a receiver.
- the transceiver 530 may further include antennas, and the number of antennas may be one or more.
- the communication device 500 may specifically be the network device of the embodiment of the present application, and the communication device 500 may implement the corresponding processes implemented by the network device in each method of the embodiment of the present application. For the sake of brevity, the Let me repeat.
- the communication device 500 may specifically be the terminal device in the embodiment of the present application, and the communication device 500 may implement the corresponding processes implemented by the terminal device in each method of the embodiment of the present application.
- the Let me repeat the Let me repeat.
- Fig. 8 is a schematic structural diagram of a device according to an embodiment of the present application.
- the apparatus 600 shown in FIG. 8 includes a processor 610, and the processor 610 can call and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
- the device 600 may further include a memory 620 .
- the processor 610 can invoke and run a computer program from the memory 620, so as to implement the method in the embodiment of the present application.
- the memory 620 may be an independent device independent of the processor 610 , or may be integrated in the processor 610 .
- the device 600 may further include an input interface 630 .
- the processor 610 can control the input interface 630 to communicate with other devices or chips, specifically, can obtain information or data sent by other devices or chips.
- the device 600 may further include an output interface 640 .
- the processor 610 can control the output interface 640 to communicate with other devices or chips, specifically, can output information or data to other devices or chips.
- the device can be applied to the network device in the embodiments of the present application, and the device can implement the corresponding processes implemented by the network device in the methods of the embodiments of the present application. For the sake of brevity, details are not repeated here.
- the device can be applied to the terminal device in the embodiment of the present application, and the device can implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application. For the sake of brevity, details are not repeated here.
- the device mentioned in the embodiment of the present application may also be a chip.
- it may be a system-on-a-chip, a system-on-a-chip, a system-on-a-chip, or a system-on-a-chip.
- FIG. 9 is a schematic block diagram of a communication system 700 provided by an embodiment of the present application. As shown in FIG. 9 , the communication system 700 includes a terminal device 710 and a network device 720 .
- the terminal device 710 can be used to realize the corresponding functions realized by the terminal device in the above method
- the network device 720 can be used to realize the corresponding functions realized by the network device in the above method, for the sake of brevity, no longer repeat.
- the processor in the embodiment of the present application may be an integrated circuit chip, which has a signal processing capability.
- each step of the above-mentioned method embodiments may be completed by an integrated logic circuit of hardware in a processor or instructions in the form of software.
- the above-mentioned processor can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other available Program logic devices, discrete gate or transistor logic devices, discrete hardware components.
- DSP Digital Signal Processor
- ASIC Application Specific Integrated Circuit
- FPGA Field Programmable Gate Array
- a general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like.
- the steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor.
- the software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, register.
- the storage medium is located in the memory, and the processor reads the information in the memory, and completes the steps of the above method in combination with its hardware.
- the memory in the embodiments of the present application may be a volatile memory or a nonvolatile memory, or may include both volatile and nonvolatile memories.
- the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electronically programmable Erase Programmable Read-Only Memory (Electrically EPROM, EEPROM) or Flash.
- the volatile memory can be Random Access Memory (RAM), which acts as external cache memory.
- RAM Static Random Access Memory
- SRAM Static Random Access Memory
- DRAM Dynamic Random Access Memory
- Synchronous Dynamic Random Access Memory Synchronous Dynamic Random Access Memory
- SDRAM double data rate synchronous dynamic random access memory
- Double Data Rate SDRAM, DDR SDRAM enhanced synchronous dynamic random access memory
- Enhanced SDRAM, ESDRAM synchronous connection dynamic random access memory
- Synchlink DRAM, SLDRAM Direct Memory Bus Random Access Memory
- Direct Rambus RAM Direct Rambus RAM
- the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM), etc. That is, the memory in the embodiments of the present application is intended to include, but not be limited to, these and any other suitable types of memory.
- the embodiment of the present application also provides a computer-readable storage medium for storing computer programs.
- the computer-readable storage medium can be applied to the network device in the embodiment of the present application, and the computer program enables the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. For the sake of brevity, I won't repeat them here.
- the computer-readable storage medium can be applied to the terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the terminal device in the various methods of the embodiments of the present application. For the sake of brevity, I won't repeat them here.
- the embodiment of the present application also provides a computer program product, including computer program instructions.
- the computer program product can be applied to the network device in the embodiments of the present application, and the computer program instructions enable the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application. For brevity, This will not be repeated here.
- the computer program product can be applied to the terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the terminal device in the methods of the embodiments of the present application.
- the computer program instructions cause the computer to execute the corresponding processes implemented by the terminal device in the methods of the embodiments of the present application.
- the embodiment of the present application also provides a computer program.
- the computer program can be applied to the network device in the embodiment of the present application, and when the computer program is run on the computer, the computer executes the corresponding process implemented by the network device in each method of the embodiment of the present application, For the sake of brevity, details are not repeated here.
- the computer program can be applied to the terminal device in the embodiment of the present application.
- the computer program executes the corresponding process implemented by the terminal device in each method of the embodiment of the present application, For the sake of brevity, details are not repeated here.
- the disclosed systems, devices and methods may be implemented in other ways.
- the device embodiments described above are only illustrative.
- the division of the units is only a logical function division. In actual implementation, there may be other division methods.
- multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented.
- the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
- the functions described above are realized in the form of software function units and sold or used as independent products, they can be stored in a computer-readable storage medium.
- the technical solution of the present application is essentially or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
- the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disc and other media that can store program codes. .
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Abstract
Description
Claims (102)
- 一种无线通信的方法,其特征在于,包括:终端设备获取第一信息,所述第一信息用于确定上行信息传输的预编码矩阵;所述终端设备采用所述预编码矩阵对所述上行信息预编码;所述终端设备发送预编码后的上行信息;其中,所述第一信息是根据以下至少之一确定的:码本子集配置信息、天线端口数信息、所述上行信息的最大传输层数、上行传输采用的波形、第一指示信息、第二指示信息和第三指示信息;其中,所述码本子集配置信息用于指示所述预编码矩阵所属的码本子集,所述天线端口数信息用于指示所述终端设备发送所述上行信息所采用的天线端口的数量,所述天线端口的数量大于4,且所述天线端口的数量为2的倍数,所述第一指示信息用于指示预编码矩阵索引,所述第二指示信息用于指示天线选择码本,所述第三指示信息用于指示相位选择码本。
- 如权利要求1所述的方法,其特征在于,所述码本子集配置信息与第一能力信息和第一天线信息关联;其中,所述第一能力信息包括所述终端设备支持部分相干传输的码本子集;其中,所述第一天线信息用于确定部分相干传输的天线端口组。
- 如权利要求2所述的方法,其特征在于,所述第一天线信息为预定义的,或者,所述第一天线信息为基于所述终端设备上报的天线能力信息确定的。
- 如权利要求2或3所述的方法,其特征在于,所述终端设备相干传输的天线端口的数量为N 1,其中,N 1大于或等于2,且N 1小于8。
- 如权利要求4所述的方法,其特征在于,在N 1=2的情况下,所述第一天线信息所确定的相干传输的天线端口组对应的天线端口索引包括以下之一:天线端口1和天线端口3;天线端口2和天线端口4;天线端口5和天线端口7;天线端口6和天线端口8;天线端口1和天线端口2;天线端口3和天线端口4;天线端口5和天线端口6;天线端口7和天线端口8。
- 如权利要求4所述的方法,其特征在于,在N 1=4的情况下,所述第一天线信息所确定的相干传输的天线端口组对应的天线端口索引包括以下之一:天线端口1、天线端口2、天线端口3和天线端口4;天线端口5、天线端口6、天线端口7和天线端口8;天线端口1、天线端口3、天线端口5和天线端口7;天线端口2、天线端口4、天线端口6和天线端口8。
- 如权利要求4所述的方法,其特征在于,在N 1=6的情况下,所述第一天线信息所确定的相干传输的天线端口组对应的天线端口索引包括以下之一:天线端口1、天线端口2、天线端口3、天线端口4、天线端口5和天线端口6;天线端口2、天线端口3、天线端口4、天线端口5、天线端口6和天线端口7;天线端口3、天线端口4、天线端口5、天线端口6、天线端口7和天线端口8。
- 如权利要求2或3所述的方法,其特征在于,所述终端设备相干传输的天线端口的数量为N 2,其中,N 2大于或等于2,且N 2小于6。
- 如权利要求8所述的方法,其特征在于,在N 2=2的情况下,所述第一天线信息所确定的相干传输的天线端口组对应的天线端口索引包括以下之一:天线端口1和天线端口3;天线端口2和天线端口4;天线端口5和天线端口6;天线端口1和天线端口2;天线端口3和天线端口5;天线端口4和天线端口6。
- 如权利要求8所述的方法,其特征在于,在N 2=3的情况下,所述第一天线信息所确定的相干传输的天线端口组对应的天线端口索引包括以下之一:天线端口1、天线端口2和天线端口3;天线端口4、天线端口5和天线端口6;天线端口1、天线端口3和天线端口5;天线端口2、天线端口4和天线端口6。
- 如权利要求8所述的方法,其特征在于,在N 2=4的情况下,所述第一天线信息所确定的相干传输的天线端口组对应的天线端口索引包括以下之一:天线端口1、天线端口2、天线端口3和天线端口4;天线端口2、天线端口3、天线端口4和天线端口5;天线端口3、天线端口4、天线端口5和天线端口6。
- 如权利要求2或3所述的方法,其特征在于,所述第一天线信息为基于所述终端设备上报的第一天线能力信息确定的;其中,所述第一天线能力信息用于指示以下之一:第一类型天线端口组,第二类型天线端口组,第三类型天线端口组;其中,所述第一类型天线端口组包括的相干传输的天线端口的数量为2,所述第二类型天线端口组包括的相干传输的天线端口的数量为4,所述第三类型天线端口组包括的相干传输的天线端口的数量为6。
- 如权利要求12所述的方法,其特征在于,在所述第一天线能力信息用于指示所述第一类型天线端口组的情况下,所述第一天线信息所确定的相干传输的天线端口组对应的天线端口索引包括以下之一:天线端口1和天线端口3;天线端口2和天线端口4;天线端口5和天线端口7;天线端口6和天线端口8;天线端口1和天线端口2;天线端口3和天线端口4;天线端口5和天线端口6;天线端口7和天线端口8。
- 如权利要求12所述的方法,其特征在于,在所述第一天线能力信息用于指示所述第二类型天线端口组的情况下,所述第一天线信息所确定的相干传输的天线端口组对应的天线端口索引包括以下之一:天线端口1、天线端口2、天线端口3和天线端口4;天线端口5、天线端口6、天线端口7和天线端口8;天线端口1、天线端口3、天线端口5和天线端口7;天线端口2、天线端口4、天线端口6和天线端口8。
- 如权利要求12所述的方法,其特征在于,在所述第一天线能力信息用于指示所述第三类型天线端口组的情况下,所述第一天线信息所确定的相干传输的天线端口组对应的天线端口索引包括以下之一:天线端口1、天线端口2、天线端口3、天线端口4、天线端口5和天线端口6;天线端口2、天线端口3、天线端口4、天线端口5、天线端口6和天线端口7;天线端口3、天线端口4、天线端口5、天线端口6、天线端口7和天线端口8。
- 如权利要求2或3所述的方法,其特征在于,所述第一天线信息为基于所述终端设备上报的第二天线能力信息确定的;其中,所述第二天线能力信息用于指示以下之一:第四类型天线端口组,第五类型天线端口组,第六类型天线端口组;其中,所述第四类型天线端口组包括的相干传输的天线端口的数量为2,所述第五类型天线端口组包括的相干传输的天线端口的数量为3,所述第六类型天线端口组包括的相干传输的天线端口的数量为4。
- 如权利要求16所述的方法,其特征在于,在所述第二天线能力信息用于指示所述第四类型天线端口组的情况下,所述第一天线信息所确定的相干传输的天线端口组对应的天线端口索引包括以下之一:天线端口1和天线端口3;天线端口2和天线端口4;天线端口5和天线端口6;天线端口1和天线端口2;天线端口3和天线端口5;天线端口4和天线端口6。
- 如权利要求16所述的方法,其特征在于,在所述第二天线能力信息用于指示所述第五类型天线端口组的情况下,所述第一天线信息所确定的相干传输的天线端口组对应的天线端口索引包括以下之一:天线端口1、天线端口2和天线端口3;天线端口4、天线端口5和天线端口6;天线端口1、天线端口3和天线端口5;天线端口2、天线端口4和天线端口6。
- 如权利要求16所述的方法,其特征在于,在所述第二天线能力信息用于指示所述第六类型天线端口组的情况下,所述第一天线信息所确定的相干传输的天线端口组对应的天线端口索引包括以下之一:天线端口1、天线端口2、天线端口3和天线端口4;天线端口2、天线端口3、天线端口4和天线端口5;天线端口3、天线端口4、天线端口5和天线端口6。
- 如权利要求2或3所述的方法,其特征在于,所述第一天线信息为基于所述终端设备上报的第三天线能力信息确定的;其中,所述第三天线能力信息用于指示以下之一:第七类型天线端口组,第八类型天线端口组,第九类型天线端口组,第十类型天线端口组;其中,所述第七类型天线端口组包括的相干传输的天线端口的数量为2,所述第八类型天线端口组包括的相干传输的天线端口的数量为3,所述第九类型天线端口组包括的相干传输的天线端口的数量为4,所述第十类型天线端口组包括的相干传输的天线端口的数量为6。
- 如权利要5、6、7、9、10、11、13、14、15、17、18或19所述的方法,其特征在于,所述天线端口索引与所述预编码矩阵中的每一列预编码矢量中的元素索引对应;以及所述天线端口索引关联的元素索引对应的元素为非零,其他元素索引对应的元素为零。
- 如权利要求1至21中任一项所述的方法,其特征在于,在所述终端设备获取所述第一信息之前,所述方法还包括:所述终端设备发送预编码能力信息;其中,所述预编码能力信息用于指示所述终端设备支持的至少一个发送预编码矩阵指示TPMI,所述至少一个TPMI对应的预编码矩阵支持终端设备进行物理上行共享信道PUSCH满功率发送;或者,所述预编码能力信息用于指示所述终端设备支持的TPMI组,所述TPMI组对应的预编码矩阵支持所述终端设备进行PUSCH满功率发送。
- 如权利要求22所述的方法,其特征在于,所述方法还包括:所述终端设备接收第二信息;其中,所述第二信息为基于所述预编码能力信息确定的,所述第二信息用于指示所述终端设备采用指示的TPMI发送PUSCH,所述指示的TPMI对应的预编码矩阵支持所述终端设备采用满功率发送PUSCH。
- 如权利要求22或23所述的方法,其特征在于,所述预编码能力信息与所述终端设备的天线端口数和/或第一天线信息关联,其中,所述第一天线信息用于确定部分相干传输的天线端口组;或者,所述预编码能力信息与所述终端设备的天线端口功率信息相关,其中,所述天线端口功率信息与所述终端设备的射频或者功率放大器关联。
- 如权利要求22至24中任一项所述的方法,其特征在于,所述至少一个TPMI对应目标预编码矩阵集合中的一个或多个预编码矩阵,或者,所述TPMI组对应目标预编码矩阵集合中的一个或多个预编码矩阵;其中,所述目标预编码矩阵集合中的预编码矩阵属于至少一个预编码矩阵集合。
- 如权利要求25所述的方法,其特征在于,所述至少一个预编码矩阵集合包括第一预编码矩阵集合;其中,所述第一预编码矩阵集合中的预编码矩阵对应的传输层数为1,且所述第一预编码矩阵集合中的预编码矩阵与所述终端设备的第一天线端口功率信息对应,所述第一天线端口功率信息包括所 述终端设备包含两个相干的具有半功率发送能力的端口。
- 如权利要求25或26所述的方法,其特征在于,所述至少一个预编码矩阵集合包括第二预编码矩阵集合;其中,所述第二预编码矩阵集合中的预编码矩阵对应的传输层数为2,且所述第二预编码矩阵集合中的预编码矩阵为传输层数为1的任意两个预编码矩阵的组合,或者,所述第二预编码矩阵集合中的预编码矩阵为传输层数为1的预编码矩阵中的满足第一条件的两项的组合;其中,所述第一条件为传输层数为2的预编码矩阵支持2端口或4端口的相干传输;或者,所述第一条件为传输层数为2的预编码矩阵支持一个天线端口组或两个天线端口组的相干传输。
- 如权利要求27所述的方法,其特征在于,所述第二预编码矩阵集合中的预编码矩阵与所述终端设备的第二天线端口功率信息对应;其中,所述第二天线端口功率信息包括所述终端设备包含两个相干的具有半功率发送能力的端口,或者,所述第二天线端口功率信息包括所述终端设备包含四个相干的具有半功率发送能力的端口。
- 如权利要求27或28所述的方法,其特征在于,所述第二预编码矩阵集合中的预编码矩阵分为两组;其中,在所述第二预编码矩阵集合中的一个预编码矩阵组中,所述终端设备包含2个相干的具有半功率发送能力的端口,或者,预编码矩阵支持2端口的相干传输,或者,预编码矩阵支持1个天线端口组的相干传输;在所述第二预编码矩阵集合中的另一个预编码矩阵组中,所述终端设备包含4个相干的具有半功率发送能力的端口,或者,预编码矩阵支持4端口的相干传输,或者,预编码矩阵支持2个天线端口组的相干传输。
- 如权利要求25至29中任一项所述的方法,其特征在于,所述至少一个预编码矩阵集合包括第三预编码矩阵集合;其中,所述第三预编码矩阵集合中的预编码矩阵对应的传输层数为3,且所述第三预编码矩阵集合中的预编码矩阵为传输层数为1的任意三个预编码矩阵的组合,或者,所述第三预编码矩阵集合中的预编码矩阵为传输层数为1的预编码矩阵中的满足第二条件的三项的组合;其中,所述第二条件为传输层数为3的预编码矩阵支持2端口或6端口的相干传输;或者,所述第二条件为传输层数为3的预编码矩阵支持一个天线端口组或三个天线端口组的相干传输。
- 如权利要求30所述的方法,其特征在于,所述第三预编码矩阵集合中的预编码矩阵与所述终端设备的第三天线端口功率信息对应;其中,所述第三天线端口功率信息包括所述终端设备包含两个相干的具有半功率发送能力的端口,或者,所述第三天线端口功率信息包括所述终端设备包含六个相干的具有半功率发送能力的端口。
- 如权利要求30或31所述的方法,其特征在于,所述第三预编码矩阵集合中的预编码矩阵分为两组;其中,在所述第三预编码矩阵集合中的一个预编码矩阵组中,所述终端设备包含2个相干的具有半功率发送能力的端口,或者,预编码矩阵支持2端口的相干传输,或者,预编码矩阵支持1个天线端口组的相干传输;在所述第三预编码矩阵集合中的另一个预编码矩阵组中,所述终端设备包含6个相干的具有半功率发送能力的端口,或者,预编码矩阵支持6端口的相干传输,或者,预编码矩阵支持3个天线端口组的相干传输。
- 如权利要求25至32中任一项所述的方法,其特征在于,所述至少一个预编码矩阵集合包括第四预编码矩阵集合;其中,所述第四预编码矩阵集合中的预编码矩阵对应的传输层数为4,且所述第四预编码矩阵集合中的预编码矩阵为传输层数为1的任意四个预编码矩阵的组合,或者,所述第四预编码矩阵集合中的预编码矩阵为传输层数为1的预编码矩阵中的满足第三条件的四项的组合;其中,所述第三条件为传输层数为4的预编码矩阵支持4端口的相干传输;或者,所述第三条件为传输层数为3的预编码矩阵支持2个天线端口组的相干传输。
- 如权利要求33所述的方法,其特征在于,所述第四预编码矩阵集合中的预编码矩阵与所述终端设备的第四天线端口功率信息对应;其中,所述第四天线端口功率信息包括所述终端设备包含四个相干的具有半功率发送能力的端口。
- 如权利要求25至34中任一项所述的方法,其特征在于,所述至少一个预编码矩阵集合包括第五预编码矩阵集合;其中,所述第五预编码矩阵集合中的预编码矩阵对应的传输层数为5,且所述第五预编码矩阵集 合中的预编码矩阵为传输层数为1的任意五个预编码矩阵的组合,或者,所述第五预编码矩阵集合中的预编码矩阵为传输层数为1的预编码矩阵中的满足第四条件的五项的组合;其中,所述第四条件为传输层数为5的预编码矩阵支持4端口的相干传输;或者,所述第四条件为传输层数为5的预编码矩阵支持2个天线端口组的相干传输。
- 如权利要求35所述的方法,其特征在于,所述第五预编码矩阵集合中的预编码矩阵与所述终端设备的第五天线端口功率信息对应;其中,所述第五天线端口功率信息包括所述终端设备包含五个相干的具有半功率发送能力的端口。
- 如权利要求25至36中任一项所述的方法,其特征在于,所述至少一个预编码矩阵集合包括第六预编码矩阵集合;其中,所述第六预编码矩阵集合中的预编码矩阵对应的传输层数为6,且所述第六预编码矩阵集合中的预编码矩阵为传输层数为1的任意六个预编码矩阵的组合,或者,所述第六预编码矩阵集合中的预编码矩阵为传输层数为1的预编码矩阵中的满足第五条件的六项的组合;其中,所述第五条件为传输层数为6的预编码矩阵支持6端口的相干传输;或者,所述第五条件为传输层数为6的预编码矩阵支持3个天线端口组的相干传输。
- 如权利要求37所述的方法,其特征在于,所述第六预编码矩阵集合中的预编码矩阵与所述终端设备的第六天线端口功率信息对应;其中,所述第六天线端口功率信息包括所述终端设备包含六个相干的具有半功率发送能力的端口。
- 如权利要求25至38中任一项所述的方法,其特征在于,所述至少一个预编码矩阵集合包括第七预编码矩阵集合;其中,所述第七预编码矩阵集合中的预编码矩阵对应的传输层数为7,且所述第七预编码矩阵集合中的预编码矩阵为传输层数为1的任意七个预编码矩阵的组合,或者,所述第七预编码矩阵集合中的预编码矩阵为传输层数为1的预编码矩阵中的满足第六条件的七项的组合;其中,所述第六条件为传输层数为7的预编码矩阵支持6端口的相干传输;或者,所述第六条件为传输层数为7的预编码矩阵支持3个天线端口组的相干传输。
- 如权利要求39所述的方法,其特征在于,所述第七预编码矩阵集合中的预编码矩阵与所述终端设备的第七天线端口功率信息对应;其中,所述第七天线端口功率信息包括所述终端设备包含六个相干的具有半功率发送能力的端口。
- 如权利要求25至40中任一项所述的方法,其特征在于,所述至少一个预编码矩阵集合包括第八预编码矩阵集合;其中,所述第八预编码矩阵集合中的预编码矩阵对应的传输层数为1,且所述第八预编码矩阵集合中的预编码矩阵支持4个天线端口的相干传输。
- 如权利要求41所述的方法,其特征在于,在所述第八预编码矩阵集合中,所述终端设备包含4个相干的具有半功率发送能力的端口,或者,预编码矩阵支持4端口的相干传输,或者,预编码矩阵支持2个天线端口组的相干传输。
- 如权利要求25至42中任一项所述的方法,其特征在于,所述至少一个预编码矩阵集合包括第九预编码矩阵集合;其中,所述第九预编码矩阵集合中的预编码矩阵对应的传输层数为1,且所述第九预编码矩阵集合中的预编码矩阵支持6个天线端口的相干传输。
- 如权利要求43所述的方法,其特征在于,在所述第九预编码矩阵集合中,所述终端设备包含6个相干的具有半功率发送能力的端口,或者,预编码矩阵支持6端口的相干传输,或者,预编码矩阵支持3个天线端口组的相干传输。
- 如权利要求1至44中任一项所述的方法,其特征在于,所述上行信息包括以下至少之一:物理上行共享信道PUSCH,探测参考信号SRS。
- 一种无线通信的方法,其特征在于,包括:网络设备向终端设备发送第一信息,所述第一信息用于确定上行信息传输的预编码矩阵;其中,所述第一信息是根据以下至少之一确定的:码本子集配置信息、天线端口数信息、所述上行信息的最大传输层数、上行传输采用的波形、第一指示信息、第二指示信息和第三指示信息;其中,所述码本子集配置信息用于指示所述预编码矩阵所属的码本子集,所述天线端口数信息用于指示所述终端设备发送所述上行信息所采用的天线端口的数量,所述天线端口的数量大于4,且所述天线端口的数量为2的倍数,所述第一指示信息用于指示预编码矩阵索引,所述第二指示信息用于指示天线选择码本,所述第三指示信息用于指示相位选择码本。
- 如权利要求46所述的方法,其特征在于,所述方法还包括:所述网络设备接收所述终端设备发送的第一能力信息,其中,所述第一能力信息包括所述终端设备支持部分相干传输的码本子集;所述网络设备根据所述第一能力信息和第一天线信息确定所述码本子集配置信息,其中,所述第一天线信息用于确定部分相干传输的天线端口组。
- 如权利要求47所述的方法,其特征在于,所述第一天线信息为预定义的,或者,所述第一天线信息为基于所述终端设备上报的天线能力信息确定的。
- 如权利要求47或48所述的方法,其特征在于,所述终端设备相干传输的天线端口的数量为N 1,其中,N 1大于或等于2,且N 1小于8。
- 如权利要求49所述的方法,其特征在于,在N 1=2的情况下,所述第一天线信息所确定的相干传输的天线端口组对应的天线端口索引包括以下之一:天线端口1和天线端口3;天线端口2和天线端口4;天线端口5和天线端口7;天线端口6和天线端口8;天线端口1和天线端口2;天线端口3和天线端口4;天线端口5和天线端口6;天线端口7和天线端口8。
- 如权利要求49所述的方法,其特征在于,在N 1=4的情况下,所述第一天线信息所确定的相干传输的天线端口组对应的天线端口索引包括以下之一:天线端口1、天线端口2、天线端口3和天线端口4;天线端口5、天线端口6、天线端口7和天线端口8;天线端口1、天线端口3、天线端口5和天线端口7;天线端口2、天线端口4、天线端口6和天线端口8。
- 如权利要求49所述的方法,其特征在于,在N 1=6的情况下,所述第一天线信息所确定的相干传输的天线端口组对应的天线端口索引包括以下之一:天线端口1、天线端口2、天线端口3、天线端口4、天线端口5和天线端口6;天线端口2、天线端口3、天线端口4、天线端口5、天线端口6和天线端口7;天线端口3、天线端口4、天线端口5、天线端口6、天线端口7和天线端口8。
- 如权利要求47或48所述的方法,其特征在于,所述终端设备相干传输的天线端口的数量为N 2,其中,N 2大于或等于2,且N 2小于6。
- 如权利要求53所述的方法,其特征在于,在N 2=2的情况下,所述第一天线信息所确定的相干传输的天线端口组对应的天线端口索引包括以下之一:天线端口1和天线端口3;天线端口2和天线端口4;天线端口5和天线端口6;天线端口1和天线端口2;天线端口3和天线端口5;天线端口4和天线端口6。
- 如权利要求53所述的方法,其特征在于,在N 2=3的情况下,所述第一天线信息所确定的相干传输的天线端口组对应的天线端口索引包括以下之一:天线端口1、天线端口2和天线端口3;天线端口4、天线端口5和天线端口6;天线端口1、天线端口3和天线端口5;天线端口2、天线端口4和天线端口6。
- 如权利要求53所述的方法,其特征在于,在N 2=4的情况下,所述第一天线信息所确定的相干传输的天线端口组对应的天线端口索引包括以下之一:天线端口1、天线端口2、天线端口3和天线端口4;天线端口2、天线端口3、天线端口4和天线端口5;天线端口3、天线端口4、天线端口5和天线端口6。
- 如权利要求47或48所述的方法,其特征在于,所述方法还包括:所述网络设备接收所述终端设备发送的第一天线能力信息,所述第一天线能力信息用于指示以下 之一:第一类型天线端口组,第二类型天线端口组,第三类型天线端口组;其中,所述第一类型天线端口组包括的相干传输的天线端口的数量为2,所述第二类型天线端口组包括的相干传输的天线端口的数量为4,所述第三类型天线端口组包括的相干传输的天线端口的数量为6;所述网络设备根据所述第一天线能力信息确定所述第一天线信息。
- 如权利要求57所述的方法,其特征在于,在所述第一天线能力信息用于指示所述第一类型天线端口组的情况下,所述第一天线信息所确定的相干传输的天线端口组对应的天线端口索引包括以下之一:天线端口1和天线端口3;天线端口2和天线端口4;天线端口5和天线端口7;天线端口6和天线端口8;天线端口1和天线端口2;天线端口3和天线端口4;天线端口5和天线端口6;天线端口7和天线端口8。
- 如权利要求57所述的方法,其特征在于,在所述第一天线能力信息用于指示所述第二类型天线端口组的情况下,所述第一天线信息所确定的相干传输的天线端口组对应的天线端口索引包括以下之一:天线端口1、天线端口2、天线端口3和天线端口4;天线端口5、天线端口6、天线端口7和天线端口8;天线端口1、天线端口3、天线端口5和天线端口7;天线端口2、天线端口4、天线端口6和天线端口8。
- 如权利要求57所述的方法,其特征在于,在所述第一天线能力信息用于指示所述第三类型天线端口组的情况下,所述第一天线信息所确定的相干传输的天线端口组对应的天线端口索引包括以下之一:天线端口1、天线端口2、天线端口3、天线端口4、天线端口5和天线端口6;天线端口2、天线端口3、天线端口4、天线端口5、天线端口6和天线端口7;天线端口3、天线端口4、天线端口5、天线端口6、天线端口7和天线端口8。
- 如权利要求47或48所述的方法,其特征在于,所述方法还包括:所述网络设备接收所述终端设备发送的第二天线能力信息,所述第二天线能力信息用于指示以下之一:第四类型天线端口组,第五类型天线端口组,第六类型天线端口组;其中,所述第四类型天线端口组包括的相干传输的天线端口的数量为2,所述第五类型天线端口组包括的相干传输的天线端口的数量为3,所述第六类型天线端口组包括的相干传输的天线端口的数量为4;所述网络设备根据所述第二天线能力信息确定所述第一天线信息。
- 如权利要求61所述的方法,其特征在于,在所述第二天线能力信息用于指示所述第四类型天线端口组的情况下,所述第一天线信息所确定的相干传输的天线端口组对应的天线端口索引包括以下之一:天线端口1和天线端口3;天线端口2和天线端口4;天线端口5和天线端口6;天线端口1和天线端口2;天线端口3和天线端口5;天线端口4和天线端口6。
- 如权利要求61所述的方法,其特征在于,在所述第二天线能力信息用于指示所述第五类型天线端口组的情况下,所述第一天线信息所确定的相干传输的天线端口组对应的天线端口索引包括以下之一:天线端口1、天线端口2和天线端口3;天线端口4、天线端口5和天线端口6;天线端口1、天线端口3和天线端口5;天线端口2、天线端口4和天线端口6。
- 如权利要求61所述的方法,其特征在于,在所述第二天线能力信息用于指示所述第六类型天线端口组的情况下,所述第一天线信息所确定 的相干传输的天线端口组对应的天线端口索引包括以下之一:天线端口1、天线端口2、天线端口3和天线端口4;天线端口2、天线端口3、天线端口4和天线端口5;天线端口3、天线端口4、天线端口5和天线端口6。
- 如权利要求47或48所述的方法,其特征在于,所述方法还包括:所述网络设备接收所述终端设备发送的第三天线能力信息,所述第三天线能力信息用于指示以下之一:第七类型天线端口组,第八类型天线端口组,第九类型天线端口组,第十类型天线端口组;其中,所述第七类型天线端口组包括的相干传输的天线端口的数量为2,所述第八类型天线端口组包括的相干传输的天线端口的数量为3,所述第九类型天线端口组包括的相干传输的天线端口的数量为4,所述第十类型天线端口组包括的相干传输的天线端口的数量为6;所述网络设备根据所述第三天线能力信息确定所述第一天线信息。
- 如权利要50、51、52、54、55、56、58、59、60、62、63或64所述的方法,其特征在于,所述天线端口索引与所述预编码矩阵中的每一列预编码矢量中的元素索引对应;以及所述天线端口索引关联的元素索引对应的元素为非零,其他元素索引对应的元素为零。
- 如权利要求46至66中任一项所述的方法,其特征在于,在所述网络设备发送所述第一信息之前,所述方法还包括:所述网络设备接收所述终端设备发送的预编码能力信息;其中,所述预编码能力信息用于指示所述终端设备支持的至少一个发送预编码矩阵指示TPMI,所述至少一个TPMI对应的预编码矩阵支持终端设备进行物理上行共享信道PUSCH满功率发送;或者,所述预编码能力信息用于指示所述终端设备支持的TPMI组,所述TPMI组对应的预编码矩阵支持所述终端设备进行PUSCH满功率发送。
- 如权利要求67所述的方法,其特征在于,所述方法还包括:所述网络设备向所述终端设备发送第二信息;其中,所述第二信息为基于所述预编码能力信息确定的,所述第二信息用于指示所述终端设备采用指示的TPMI发送PUSCH,所述指示的TPMI对应的预编码矩阵支持所述终端设备采用满功率发送PUSCH。
- 如权利要求67或68所述的方法,其特征在于,所述预编码能力信息与所述终端设备的天线端口数和/或第一天线信息关联,其中,所述第一天线信息用于确定部分相干传输的天线端口组;或者,所述预编码能力信息与所述终端设备的天线端口功率信息相关,其中,所述天线端口功率信息与所述终端设备的射频或者功率放大器关联。
- 如权利要求67至69中任一项所述的方法,其特征在于,所述至少一个TPMI对应目标预编码矩阵集合中的一个或多个预编码矩阵,或者,所述TPMI组对应目标预编码矩阵集合中的一个或多个预编码矩阵;其中,所述目标预编码矩阵集合中的预编码矩阵属于至少一个预编码矩阵集合。
- 如权利要求70所述的方法,其特征在于,所述至少一个预编码矩阵集合包括第一预编码矩阵集合;其中,所述第一预编码矩阵集合中的预编码矩阵对应的传输层数为1,且所述第一预编码矩阵集合中的预编码矩阵与所述终端设备的第一天线端口功率信息对应,所述第一天线端口功率信息包括所述终端设备包含两个相干的具有半功率发送能力的端口。
- 如权利要求70或71所述的方法,其特征在于,所述至少一个预编码矩阵集合包括第二预编码矩阵集合;其中,所述第二预编码矩阵集合中的预编码矩阵对应的传输层数为2,且所述第二预编码矩阵集合中的预编码矩阵为传输层数为1的任意两个预编码矩阵的组合,或者,所述第二预编码矩阵集合中的预编码矩阵为传输层数为1的预编码矩阵中的满足第一条件的两项的组合;其中,所述第一条件为传输层数为2的预编码矩阵支持2端口或4端口的相干传输;或者,所述第一条件为传输层数为2的预编码矩阵支持一个天线端口组或两个天线端口组的相干传输。
- 如权利要求72所述的方法,其特征在于,所述第二预编码矩阵集合中的预编码矩阵与所述终端设备的第二天线端口功率信息对应;其中,所述第二天线端口功率信息包括所述终端设备包含两个相干的具有半功率发送能力的端口,或者,所述第二天线端口功率信息包括所述终端设备包含四个相干的具有半功率发送能力的端口。
- 如权利要求72或73所述的方法,其特征在于,所述第二预编码矩阵集合中的预编码矩阵分为两组;其中,在所述第二预编码矩阵集合中的一个预编码矩阵组中,所述终端设备包含2个相干的具有半功率发送能力的端口,或者,预编码矩阵支持2端口的相干传输,或者,预编码矩阵支持1个天线端口组的相干传输;在所述第二预编码矩阵集合中的另一个预编码矩阵组中,所述终端设备包含4个相干的具有半功率发送能力的端口,或者,预编码矩阵支持4端口的相干传输,或者,预编码矩阵支持2个天线端口组的相干传输。
- 如权利要求70至74中任一项所述的方法,其特征在于,所述至少一个预编码矩阵集合包括第三预编码矩阵集合;其中,所述第三预编码矩阵集合中的预编码矩阵对应的传输层数为3,且所述第三预编码矩阵集合中的预编码矩阵为传输层数为1的任意三个预编码矩阵的组合,或者,所述第三预编码矩阵集合中的预编码矩阵为传输层数为1的预编码矩阵中的满足第二条件的三项的组合;其中,所述第二条件为传输层数为3的预编码矩阵支持2端口或6端口的相干传输;或者,所述第二条件为传输层数为3的预编码矩阵支持一个天线端口组或三个天线端口组的相干传输。
- 如权利要求75所述的方法,其特征在于,所述第三预编码矩阵集合中的预编码矩阵与所述终端设备的第三天线端口功率信息对应;其中,所述第三天线端口功率信息包括所述终端设备包含两个相干的具有半功率发送能力的端口,或者,所述第三天线端口功率信息包括所述终端设备包含六个相干的具有半功率发送能力的端口。
- 如权利要求75或76所述的方法,其特征在于,所述第三预编码矩阵集合中的预编码矩阵分为两组;其中,在所述第三预编码矩阵集合中的一个预编码矩阵组中,所述终端设备包含2个相干的具有半功率发送能力的端口,或者,预编码矩阵支持2端口的相干传输,或者,预编码矩阵支持1个天线端口组的相干传输;在所述第三预编码矩阵集合中的另一个预编码矩阵组中,所述终端设备包含6个相干的具有半功率发送能力的端口,或者,预编码矩阵支持6端口的相干传输,或者,预编码矩阵支持3个天线端口组的相干传输。
- 如权利要求70至77中任一项所述的方法,其特征在于,所述至少一个预编码矩阵集合包括第四预编码矩阵集合;其中,所述第四预编码矩阵集合中的预编码矩阵对应的秩的取值为4,且所述第四预编码矩阵集合中的预编码矩阵为传输层数为1的任意四个预编码矩阵的组合,或者,所述第四预编码矩阵集合中的预编码矩阵为传输层数为1的预编码矩阵中的满足第三条件的四项的组合;其中,所述第三条件为传输层数为4的预编码矩阵支持4端口的相干传输;或者,所述第三条件为传输层数为3的预编码矩阵支持2个天线端口组的相干传输。
- 如权利要求78所述的方法,其特征在于,所述第四预编码矩阵集合中的预编码矩阵与所述终端设备的第四天线端口功率信息对应;其中,所述第四天线端口功率信息包括所述终端设备包含四个相干的具有半功率发送能力的端口。
- 如权利要求50至79中任一项所述的方法,其特征在于,所述至少一个预编码矩阵集合包括第五预编码矩阵集合;其中,所述第五预编码矩阵集合中的预编码矩阵对应的传输层数为5,且所述第五预编码矩阵集合中的预编码矩阵为传输层数为1的任意五个预编码矩阵的组合,或者,所述第五预编码矩阵集合中的预编码矩阵为传输层数为1的预编码矩阵中的满足第四条件的五项的组合;其中,所述第四条件为传输层数为5的预编码矩阵支持4端口的相干传输;或者,所述第四条件为传输层数为5的预编码矩阵支持2个天线端口组的相干传输。
- 如权利要求80所述的方法,其特征在于,所述第五预编码矩阵集合中的预编码矩阵与所述终端设备的第五天线端口功率信息对应;其中,所述第五天线端口功率信息包括所述终端设备包含五个相干的具有半功率发送能力的端口。
- 如权利要求50至81中任一项所述的方法,其特征在于,所述至少一个预编码矩阵集合包括第六预编码矩阵集合;其中,所述第六预编码矩阵集合中的预编码矩阵对应的传输层数为6,且所述第六预编码矩阵集合中的预编码矩阵为传输层数为1的任意六个预编码矩阵的组合,或者,所述第六预编码矩阵集合中的预编码矩阵为传输层数为1的预编码矩阵中的满足第五条件的六项的组合;其中,所述第五条件为传输层数为6的预编码矩阵支持6端口的相干传输;或者,所述第五条件 为传输层数为6的预编码矩阵支持3个天线端口组的相干传输。
- 如权利要求82所述的方法,其特征在于,所述第六预编码矩阵集合中的预编码矩阵与所述终端设备的第六天线端口功率信息对应;其中,所述第六天线端口功率信息包括所述终端设备包含六个相干的具有半功率发送能力的端口。
- 如权利要求50至83中任一项所述的方法,其特征在于,所述至少一个预编码矩阵集合包括第七预编码矩阵集合;其中,所述第七预编码矩阵集合中的预编码矩阵对应的传输层数为7,且所述第七预编码矩阵集合中的预编码矩阵为传输层数为1的任意七个预编码矩阵的组合,或者,所述第七预编码矩阵集合中的预编码矩阵为传输层数为1的预编码矩阵中的满足第六条件的七项的组合;其中,所述第六条件为传输层数为7的预编码矩阵支持6端口的相干传输;或者,所述第六条件为传输层数为7的预编码矩阵支持3个天线端口组的相干传输。
- 如权利要求84所述的方法,其特征在于,所述第七预编码矩阵集合中的预编码矩阵与所述终端设备的第七天线端口功率信息对应;其中,所述第七天线端口功率信息包括所述终端设备包含六个相干的具有半功率发送能力的端口。
- 如权利要求50至85中任一项所述的方法,其特征在于,所述至少一个预编码矩阵集合包括第八预编码矩阵集合;其中,所述第八预编码矩阵集合中的预编码矩阵对应的传输层数为1,且所述第八预编码矩阵集合中的预编码矩阵支持4个天线端口的相干传输。
- 如权利要求86所述的方法,其特征在于,在所述第八预编码矩阵集合中,所述终端设备包含4个相干的具有半功率发送能力的端口,或者,预编码矩阵支持4端口的相干传输,或者,预编码矩阵支持2个天线端口组的相干传输。
- 如权利要求50至87中任一项所述的方法,其特征在于,所述至少一个预编码矩阵集合包括第九预编码矩阵集合;其中,所述第九预编码矩阵集合中的预编码矩阵对应的传输层数为1,且所述第九预编码矩阵集合中的预编码矩阵支持6个天线端口的相干传输。
- 如权利要求88所述的方法,其特征在于,在所述第九预编码矩阵集合中,所述终端设备包含6个相干的具有半功率发送能力的端口,或者,预编码矩阵支持6端口的相干传输,或者,预编码矩阵支持3个天线端口组的相干传输。
- 如权利要求46至89中任一项所述的方法,其特征在于,所述上行信息包括以下至少之一:物理上行共享信道PUSCH,探测参考信号SRS。
- 一种终端设备,其特征在于,包括:通信单元,用于获取第一信息,所述第一信息用于确定上行信息传输的预编码矩阵;处理单元,用于采用所述预编码矩阵对所述上行信息预编码;所述通信单元还用于发送预编码后的上行信息;其中,所述第一信息是根据以下至少之一确定的:码本子集配置信息、天线端口数信息、所述上行信息的最大传输层数、上行传输采用的波形、第一指示信息、第二指示信息和第三指示信息;其中,所述码本子集配置信息用于指示所述预编码矩阵所属的码本子集,所述天线端口数信息用于指示所述终端设备发送所述上行信息所采用的天线端口的数量,所述天线端口的数量大于4,且所述天线端口的数量为2的倍数,所述第一指示信息用于指示预编码矩阵索引,所述第二指示信息用于指示天线选择码本,所述第三指示信息用于指示相位选择码本。
- 一种网络设备,其特征在于,包括:通信单元,用于向终端设备发送第一信息,所述第一信息用于确定上行信息传输的预编码矩阵;其中,所述第一信息是根据以下至少之一确定的:码本子集配置信息、天线端口数信息、所述上行信息的最大传输层数、上行传输采用的波形、第一指示信息、第二指示信息和第三指示信息;其中,所述码本子集配置信息用于指示所述预编码矩阵所属的码本子集,所述天线端口数信息用于指示所述终端设备发送所述上行信息所采用的天线端口的数量,所述天线端口的数量大于4,且所述天线端口的数量为2的倍数,所述第一指示信息用于指示预编码矩阵索引,所述第二指示信息用于指示天线选择码本,所述第三指示信息用于指示相位选择码本。
- 一种终端设备,其特征在于,包括:处理器和存储器,该存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求1至45中任一项所述的方法。
- 一种网络设备,其特征在于,包括:处理器和存储器,该存储器用于存储计算机程序,所述 处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求46至90中任一项所述的方法。
- 一种芯片,其特征在于,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求1至45中任一项所述的方法。
- 一种芯片,其特征在于,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求46至90中任一项所述的方法。
- 一种计算机可读存储介质,其特征在于,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求1至45中任一项所述的方法。
- 一种计算机可读存储介质,其特征在于,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求46至90中任一项所述的方法。
- 一种计算机程序产品,其特征在于,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求1至45中任一项所述的方法。
- 一种计算机程序产品,其特征在于,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求46至90中任一项所述的方法。
- 一种计算机程序,其特征在于,所述计算机程序使得计算机执行如权利要求1至45中任一项所述的方法。
- 一种计算机程序,其特征在于,所述计算机程序使得计算机执行如权利要求46至90中任一项所述的方法。
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| CN202180103613.6A CN118160231A (zh) | 2021-12-09 | 2021-12-09 | 无线通信的方法、终端设备和网络设备 |
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| WO2025065364A1 (zh) * | 2023-09-27 | 2025-04-03 | 北京小米移动软件有限公司 | 一种通信方法、装置及存储介质 |
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