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WO2025218168A1 - Procédé de communication et appareil associé - Google Patents

Procédé de communication et appareil associé

Info

Publication number
WO2025218168A1
WO2025218168A1 PCT/CN2024/133757 CN2024133757W WO2025218168A1 WO 2025218168 A1 WO2025218168 A1 WO 2025218168A1 CN 2024133757 W CN2024133757 W CN 2024133757W WO 2025218168 A1 WO2025218168 A1 WO 2025218168A1
Authority
WO
WIPO (PCT)
Prior art keywords
information
communication device
areas
area
communication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2024/133757
Other languages
English (en)
Chinese (zh)
Inventor
皇甫幼睿
王坚
邱晶
马江镭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of WO2025218168A1 publication Critical patent/WO2025218168A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/18—Information format or content conversion, e.g. adaptation by the network of the transmitted or received information for the purpose of wireless delivery to users or terminals

Definitions

  • the present application relates to the field of communications, and in particular to a communication method and related devices.
  • Wireless communication can be a transmission communication between two or more communication devices without propagating through conductors or cables.
  • the two or more communication devices include network devices and terminal devices, or the two or more communication devices include different terminal devices.
  • MIMO multiple-input, multiple-output
  • Reference signal measurements between different devices can be used to determine precoding information, which can then be used for high-speed data transmission.
  • the reference signal overhead is related to the number of ports on the communication device that transmit the reference signal.
  • the number of ports for transmitting reference signals in communication equipment may gradually increase, which will lead to an increase in the overhead of reference signals used to obtain precoding information and occupy more transmission resources, thereby increasing the power consumption of communication equipment.
  • the present application provides a communication method and related apparatus for reducing device power consumption and improving communication efficiency.
  • the present application provides a communication method, which is performed by a first communication device, which may be a communication device (such as a terminal device or a network device), or the first communication device may be a partial component in the communication device (such as a processor, a chip or a chip system, etc.), or the first communication device may also be a logic module or software that can implement all or part of the functions of the communication device.
  • a first communication device which may be a communication device (such as a terminal device or a network device), or the first communication device may be a partial component in the communication device (such as a processor, a chip or a chip system, etc.), or the first communication device may also be a logic module or software that can implement all or part of the functions of the communication device.
  • the first communication device determines first information, which is associated with the position of the first communication device; wherein the first information is used to determine a first area within N areas indicated by the first correlation map information, where N is a positive integer; the position of the first communication device is within the first area, and the precoding information of different positions in any of the N areas is the same; the first communication device sends the first information.
  • the first information sent by the first communication device is associated with the position of the first communication device, and the first information is used to determine the first area where the position of the first communication device is located in the N areas indicated by the first correlation map information.
  • the precoding information of different positions in any area of the N areas is the same. Since the signal transmission characteristics of different positions in adjacent or similar areas may be the same, for this reason, within the map range indicated by the first correlation map information, by dividing different areas, the same precoding information can be used for transmission to communication devices at different positions in the same area.
  • the receiver of the first information determines the first area through the first information, the receiver can communicate with one or more communication devices located in the first area based on the precoding information of the first area. Therefore, by multiplexing the same precoding information by one or more communication devices in the same area, the increase in overhead and the occupation of transmission resources caused by repeated transmission of reference signals can be avoided or reduced, thereby reducing device power consumption and improving communication efficiency.
  • the precoding information may include one or more of a precoding matrix, an indication of the precoding matrix, the number of streams corresponding to the precoding matrix, a digital precoding matrix, an indication of the digital precoding matrix, the number of streams corresponding to the digital precoding matrix, an analog precoding matrix, an analog precoding matrix, and an indication of the number of streams corresponding to the analog precoding matrix.
  • the coherence map information can be replaced by other terms, such as precoding map, precoding coherence map, map information, coherence information, coherence environment information, environment information, or coherence area information.
  • the other parameters may include one or more of path loss information, signal fading information, interference information, beam indication, beam angle, beam direction, and modulation and coding scheme level (MCS level). Accordingly, the precoding information may be replaced by the other parameters.
  • the first information includes an identifier of the first area; wherein the identifier of the first area is determined based on a location of the first communication device and the first correlation map information.
  • the first communication device can determine the identifier of the first area based on the location of the first communication device and the first correlation map information, and the first information sent by the first communication device can include the identifier of the first area, so that the recipient of the first information (for example, the second communication device) can determine the first area in N areas based on the identifier of the first area.
  • the first information when the first information includes the identifier of the first area, the first information is used to determine the first area among the N areas indicated by the first correlation map information. It can be understood that the first information is used to determine the first area among the N areas indicated by the existing first correlation map information.
  • the method further includes: the first communication device receiving the first correlation map information.
  • the first communication device may receive the first relevance map information, so that the first communication device can determine the identifier of the first area based on the location of the first communication device and the first relevance map information.
  • the method further includes: the first communication device sending second information, where the second information is used to request the first correlation map information.
  • the first communication device may also send second information for requesting the first correlation map information, so that the recipient of the second information can send the first correlation map information to the first communication device based on the request.
  • the second information includes at least one of the following: location information of the first communication device, altitude information of the first communication device, correlation requirement information for dividing different areas, antenna configuration information for dividing different areas, frequency domain resource information for dividing different areas, and the number of layers for dividing different areas.
  • the second information for requesting the first correlation map information may include at least one of the above items, so that the first communication device can obtain correlation map information that is compatible with the above at least one item.
  • the first communication device sends the second information, including: when it is determined that the change in the communication parameter is greater than a threshold, the first communication device sends the second information;
  • the communication parameter includes at least one of the following: location information of the first communication device, altitude information of the first communication device, correlation requirement information for dividing different areas, antenna configuration information for dividing different areas, frequency domain resource information for dividing different areas, and the number of layers for dividing different areas.
  • the first communication device can determine that the existing correlation map information may not be applicable to the current communication environment. To this end, the first communication device can send second information to obtain updated correlation map information (i.e., first correlation map information).
  • the method further includes: the first communication device receiving version information of the first correlation map information.
  • the first communication device can also receive version information of the first correlation map information, so that the first communication device can determine the first correlation map information in one or more locally existing correlation map information based on the version information, so that different communication devices can communicate based on the same version of correlation map information.
  • the method further includes: the first communication device sending version information of the first correlation map information.
  • the first communication device can also send version information of the first correlation map information, so that the recipient of the version information (for example, the second communication device) can determine the first correlation map information in one or more locally existing correlation map information based on the version information, so that different communication devices can communicate based on the same version of correlation map information.
  • the recipient of the version information for example, the second communication device
  • the first information includes location information of the first communication device; wherein the first correlation map information is determined by the location information of the first communication device.
  • the first information sent by the first communication device may include the location information of the first communication device, so that the recipient of the first information (for example, the second communication device) can determine the first area corresponding to the location in N areas based on the location information of the first communication device.
  • the first information when the first information includes the location information of the first communication device, the first information is used to determine the first area among the N areas indicated by the first correlation map information. It can be understood that the first information is used to determine the first area among the N areas indicated by the existing first correlation map information; or, the first information is used to update the existing correlation map information to obtain the first correlation map information, and the first information is also used to determine the first area among the N areas indicated by the first correlation map information.
  • the method further includes: the first communication device receives a first reference signal, sends a measurement result of the first reference signal; and/or sends a second reference signal; wherein the first correlation map information is determined by the location information of the first communication device, and at least one of the measurement result of the first reference signal and the measurement result of the second reference signal.
  • the first information is used to determine existing correlation map information to obtain first correlation map information, and the first information is also used to determine the first area among the N areas indicated by the first correlation map information. Accordingly, the first communication device can send the measurement result of the first reference signal or the second reference signal, so that the second communication device can obtain the measurement result of the reference signal, and based on the measurement results of one or more reference signals and the location of the communication device that sent the reference signal (or sent the measurement result of the reference signal), the correlation map information is updated to obtain the first correlation map information.
  • the first correlation map information includes at least one of the following:
  • the first indication information is used to indicate the coordinate range information of the environment map where the N areas are located;
  • Second indication information used to indicate the correlation level of precoding information in some or all of the N areas
  • the third indication information is used to indicate a value N;
  • Fourth indication information used to indicate coordinate range information of each area in the N areas
  • Fifth indication information is used to indicate map information of an environment map in which the N areas are located, wherein the map information includes pixel values corresponding to the N areas; among the N areas, the pixel values within the same area are the same, and the pixel values between at least two different areas are different;
  • Sixth indication information used to indicate version information of the first correlation map information
  • the seventh indication information is used to indicate precoding information of each of the N areas (wherein the precoding information may be precoding information used for the signal sent by the first communication device.
  • the precoding information may be uplink precoding information, such as a transmission precoding matrix indicator (TPMI)).
  • TPMI transmission precoding matrix indicator
  • the first correlation map information can be implemented through at least one of the above items to improve the flexibility of the solution implementation.
  • the method also includes: the first communication device sends third information, and the third information is used to request an update of the first correlation map information; the first communication device receives second correlation map information, and the second correlation map information is determined based on the third information; wherein the second correlation map information is used to determine M areas within the first area, M is a positive integer; wherein the M areas are different from the N areas.
  • the first communication device can also send third information for requesting to update the first correlation map information, so that the recipient of the third information can send updated correlation map information (i.e., second correlation map information) to the first communication device based on the request.
  • third information for requesting to update the first correlation map information, so that the recipient of the third information can send updated correlation map information (i.e., second correlation map information) to the first communication device based on the request.
  • the third information includes at least one of the following: an identifier of the first area, location information of the first communication device, communication performance information based on precoding information corresponding to the first area, and a measurement result obtained by measuring the communication signal of the first area.
  • the third information for requesting to update the first correlation map information may include at least one of the above items, so that the first communication device can obtain correlation map information that is compatible with the at least one of the above items.
  • the first communication device sends the third information, including: the first communication device sends the third information when any of the following items is met, including: the first communication device determines that the communication performance of communicating in the first area is lower than a threshold; the first communication device determines that the correlation between the precoding information corresponding to the first area and the precoding information obtained by measuring the communication signal based on the first area is less than a threshold.
  • the first communication device can determine that the existing first correlation map information may not be applicable to the current communication environment. To this end, the first communication device can send third information to obtain updated correlation map information (i.e., second correlation map information).
  • updated correlation map information i.e., second correlation map information
  • the second aspect of the present application provides a communication method, which is performed by a second communication device, which may be a communication device (such as a terminal device or a network device), or the second communication device may be a partial component in the communication device (such as a processor, a chip or a chip system, etc.), or the second communication device may also be a logic module or software that can realize all or part of the functions of the communication device.
  • a second communication device which may be a communication device (such as a terminal device or a network device), or the second communication device may be a partial component in the communication device (such as a processor, a chip or a chip system, etc.), or the second communication device may also be a logic module or software that can realize all or part of the functions of the communication device.
  • the second communication device receives first information, and the first information is associated with the position of the first communication device; wherein the first information is used to determine the first area in the N areas indicated by the first correlation map information, N is a positive integer; the position of the first communication device is within the first area, and the precoding information of different positions in any of the N areas is the same; the second communication device communicates with one or more communication devices located in the first area based on the precoding information of the first area.
  • the first information received by the second communication device is associated with the position of the first communication device, and the first information is used to determine the first area where the position of the first communication device is located in the N areas indicated by the first correlation map information.
  • the precoding information of different positions in any area of the N areas is the same. Since the signal transmission characteristics of different positions in adjacent or similar areas may be the same, for this reason, within the map range indicated by the first correlation map information, by dividing different areas, the same precoding information can be used for transmission to communication devices at different positions in the same area.
  • the second communication device after the second communication device determines the first area through the first information, the second communication device can communicate with one or more communication devices located in the first area based on the precoding information of the first area. Therefore, by multiplexing the same precoding information by one or more communication devices in the same area, the increase in overhead and the occupation of transmission resources caused by repeated transmission of reference signals can be avoided or reduced, thereby reducing device power consumption and improving communication efficiency.
  • the first information includes an identifier of the first area; wherein the identifier of the first area is determined based on a location of the first communication device and the first correlation map information.
  • the first communication device can determine the identifier of the first area based on the location of the first communication device and the first correlation map information, and the first information sent by the first communication device can include the identifier of the first area, so that the second communication device can determine the first area in N areas based on the identifier of the first area.
  • the first information when the first information includes the identifier of the first area, the first information is used to determine the first area among the N areas indicated by the first correlation map information. It can be understood that the first information is used to determine the first area among the N areas indicated by the existing first correlation map information.
  • the method further includes: the second communication device sending the first correlation map information.
  • the second communication device may send the first correlation map information to the first communication device, so that the first communication device can determine the identifier of the first area based on the location of the first communication device and the first correlation map information.
  • the method further includes: the second communication device receiving second information, where the second information is used to request the first correlation map information.
  • the second communication device may also receive second information for requesting the first correlation map information, so that the second communication device can send the first correlation map information to the first communication device based on the request.
  • the second information includes at least one of the following: location information of the first communication device, altitude information of the first communication device, correlation requirement information for dividing different areas, antenna configuration information for dividing different areas, frequency domain resource information for dividing different areas, and the number of layers for dividing different areas.
  • the second information for requesting the first correlation map information may include at least one of the above items, so that the first communication device can obtain correlation map information that is compatible with the above at least one item.
  • the method further includes: the second communication device sending version information of the first correlation map information.
  • the second communication device can also send version information of the first correlation map information, so that the first communication device can determine the first correlation map information in one or more locally existing correlation map information based on the version information, so that different communication devices can communicate based on the same version of correlation map information.
  • the method further includes: the second communication device receiving version information of the first correlation map information.
  • the second communication device can also receive version information of the first correlation map information, so that the second communication device can determine the first correlation map information in one or more locally existing correlation map information based on the version information, so that different communication devices can communicate based on the same version of correlation map information.
  • the first information includes location information of the first communication device; wherein the first correlation map information is determined by the location information of the first communication device.
  • the first information received by the second communication device may include the location information of the first communication device, so that the second communication device can determine the first area corresponding to the location in N areas based on the location information of the first communication device.
  • the first information when the first information includes the location information of the first communication device, the first information is used to determine the first area among the N areas indicated by the first correlation map information. It can be understood that the first information is used to determine the first area among the N areas indicated by the existing first correlation map information; or, the first information is used to update the existing correlation map information to obtain the first correlation map information, and the first information is also used to determine the first area among the N areas indicated by the first correlation map information.
  • the method further includes: the second communication device sends a first reference signal, receives a measurement result of the first reference signal; and/or receives a second reference signal; wherein the first correlation map information is determined by the location information of the first communication device, and at least one of the measurement result of the first reference signal and the measurement result of the second reference signal.
  • the first information is used to determine existing correlation map information to obtain first correlation map information, and the first information is also used to determine the first area within the N areas indicated by the first correlation map information.
  • the second communication device can receive the measurement result of the first reference signal or the second reference signal, so that the second communication device can obtain the measurement result of the reference signal, and based on the measurement results of one or more reference signals and the location of the communication device that sent the reference signal (or the measurement result of the reference signal), update the correlation map information to obtain the first correlation map information.
  • the first correlation map information includes at least one of the following:
  • the first indication information is used to indicate the coordinate range information of the environment map where the N areas are located;
  • Second indication information used to indicate the correlation level of precoding information in some or all of the N areas
  • the third indication information is used to indicate a value N;
  • Fourth indication information used to indicate coordinate range information of each area in the N areas
  • Fifth indication information is used to indicate map information of an environment map in which the N areas are located, wherein the map information includes pixel values corresponding to the N areas; among the N areas, the pixel values within the same area are the same, and the pixel values between at least two different areas are different;
  • Sixth indication information used to indicate version information of the first correlation map information
  • the seventh indication information is used to indicate precoding information of each area in the N areas.
  • the first correlation map information can be implemented through at least one of the above items to improve the flexibility of the solution implementation.
  • the method also includes: the second communication device receives third information, and the third information is used to request an update of the first correlation map information; the second communication device sends second correlation map information, and the second correlation map information is determined based on the third information; wherein the second correlation map information is used to determine M areas within the first area, M is a positive integer; wherein the M areas are different from the N areas.
  • the second communication device may also receive third information for requesting to update the first correlation map information, so that the second communication device can send updated correlation map information (ie, second correlation map information) to the first communication device based on the request.
  • updated correlation map information ie, second correlation map information
  • the third information includes at least one of the following: an identifier of the first area, location information of the first communication device, communication performance information based on precoding information corresponding to the first area, and a measurement result obtained by measuring the communication signal of the first area.
  • the third information for requesting to update the first correlation map information may include at least one of the above items, so that the first communication device can obtain correlation map information that is compatible with the at least one of the above items.
  • a third aspect of the present application provides a communication device, which is a first communication device and includes a transceiver unit and a processing unit; the processing unit is used to determine first information, which is associated with the position of the first communication device; wherein the first information is used to determine the first area within N areas indicated by the first correlation map information, N is a positive integer; the position of the first communication device is located within the first area, and the precoding information of different positions in any one of the N areas is the same; the transceiver unit is used to send the first information.
  • the constituent modules of the communication device can also be used to execute the steps performed in each possible implementation method of the first aspect and achieve corresponding technical effects.
  • the constituent modules of the communication device can also be used to execute the steps performed in each possible implementation method of the first aspect and achieve corresponding technical effects.
  • a communication device which is a second communication device, and includes a transceiver unit and a processing unit.
  • the transceiver unit is used to receive first information, and the first information is associated with the position of the first communication device; wherein the first information is used to determine the first area within N areas indicated by the first correlation map information, and N is a positive integer; the position of the first communication device is located within the first area, and the precoding information of different positions in any area of the N areas is the same; the processing unit communicates with one or more communication devices located in the first area based on the precoding information of the first area.
  • the constituent modules of the communication device can also be used to execute the steps performed in each possible implementation method of the second aspect and achieve corresponding technical effects.
  • the constituent modules of the communication device can also be used to execute the steps performed in each possible implementation method of the second aspect and achieve corresponding technical effects.
  • the present application provides a communication device, comprising at least one processor coupled to a memory; the memory is configured to store programs or instructions; the at least one processor is configured to execute the programs or instructions, so that the device implements the method described in any possible implementation of any one of the first to second aspects.
  • the communication device may include the memory.
  • the present application provides a communication device comprising at least one logic circuit and an input/output interface; the logic circuit is used to execute the method described in any possible implementation of any one of the first to second aspects.
  • the present application provides a communication system, which includes the above-mentioned first communication device and second communication device.
  • the present application provides a computer-readable storage medium for storing one or more computer-executable instructions.
  • the processor executes the method described in any possible implementation of any one of the first to second aspects above.
  • the present application provides a computer program product (or computer program).
  • the processor executes the method described in any possible implementation of any one of the first to second aspects above.
  • the present application provides a chip or chip system, the chip or chip system including at least one processor configured to support a communication device in implementing the method described in any possible implementation of any one of the first to second aspects.
  • the chip may be a baseband chip, a modem chip, a system-on-chip (SoC) chip including a modem core, a system-in-package (SIP) chip, or a communication module.
  • SoC system-on-chip
  • SIP system-in-package
  • the chip or chip system may further include a memory for storing program instructions and data necessary for the communication device.
  • the chip system may be composed of a chip or may include a chip and other discrete components.
  • the chip system also includes an interface circuit that provides program instructions and/or data to the at least one processor.
  • the technical effects brought about by any design method in the third to tenth aspects can refer to the technical effects brought about by the different design methods in the above-mentioned first to second aspects, and will not be repeated here.
  • FIGS. 1a to 1c are schematic diagrams of a communication system provided by this application.
  • FIGS 1d, 1e, and 2a to 2c are schematic diagrams of the AI processing process involved in this application;
  • FIG3 is an interactive schematic diagram of the communication method provided by this application.
  • FIG4 is a schematic diagram of correlation map information provided by this application.
  • FIG5 is another schematic diagram of the correlation map information provided by this application.
  • FIGS. 6a to 6c are some schematic diagrams of correlation map information provided by this application.
  • Terminal device It can be a wireless terminal device that can receive network device scheduling and instruction information.
  • the wireless terminal device can be a device that provides voice and/or data connectivity to the user, or a handheld device with wireless connection function, or other processing device connected to a wireless modem.
  • Terminal devices can communicate with one or more core networks or the Internet via a radio access network (RAN).
  • Terminal devices can be mobile terminal devices, such as mobile phones (also known as "cellular" phones, mobile phones), computers, and data cards.
  • mobile phones also known as "cellular" phones, mobile phones
  • computers and data cards.
  • they can be portable, pocket-sized, handheld, computer-built-in, or vehicle-mounted mobile devices that exchange voice and/or data with the radio access network.
  • PCS personal communication service
  • SIP Session Initiation Protocol
  • WLL wireless local loop
  • PDAs personal digital assistants
  • tablet computers computers with wireless transceiver capabilities, and other devices.
  • Wireless terminal equipment can also be called system, subscriber unit, subscriber station, mobile station, mobile station (MS), remote station, access point (AP), remote terminal equipment (remote terminal), access terminal equipment (access terminal), user terminal equipment (user terminal), user agent (user agent), subscriber station (SS), customer premises equipment (CPE), terminal, user equipment (UE), mobile terminal (MT), etc.
  • the terminal device may also be a wearable device.
  • Wearable devices may also be referred to as wearable smart devices or smart wearable devices, etc., which are a general term for wearable devices that are intelligently designed and developed using wearable technology for daily wear, 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 clothes or accessories. Wearable devices are not only hardware devices, but also achieve powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include those that are fully functional, large in size, and can achieve complete or partial functions without relying on smartphones, such as smart watches or smart glasses, etc., as well as those that only focus on a certain type of application function and need to be used in conjunction with other devices such as smartphones, such as various smart bracelets, smart helmets, and smart jewelry for vital sign monitoring.
  • the terminal can also be a drone, a robot, a terminal in device-to-device (D2D) communication, a terminal in vehicle to everything (V2X), a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal in industrial control, a wireless terminal in self-driving, a wireless terminal in remote medical, a wireless terminal in smart grid, a wireless terminal in transportation safety, a wireless terminal in a smart city, a wireless terminal in a smart home, etc.
  • D2D device-to-device
  • V2X vehicle to everything
  • VR virtual reality
  • AR augmented reality
  • the terminal device may also be a terminal device in a communication system that evolves beyond the fifth-generation (5G) communication system (e.g., a sixth-generation (6G) communication system) or a terminal device in a future-evolved public land mobile network (PLMN).
  • 5G fifth-generation
  • 6G sixth-generation
  • PLMN public land mobile network
  • a 6G network may further extend the form and functionality of 5G communication terminals.
  • 6G terminals include, but are not limited to, vehicles, cellular network terminals (with integrated satellite terminal functionality), drones, and Internet of Things (IoT) devices.
  • IoT Internet of Things
  • the terminal device may also obtain AI services provided by the network device.
  • the terminal device may also have AI processing capabilities.
  • a network device can be a RAN node (or device) that connects a terminal device to a wireless network, which can also be called a base station.
  • RAN equipment are: base station, evolved NodeB (eNodeB), gNB (gNodeB) in a 5G communication system, transmission reception point (TRP), evolved NodeB (eNB), radio network controller (RNC), NodeB (NB), home base station (e.g., home evolved NodeB, or home NodeB, HNB), baseband unit (BBU), or wireless fidelity (Wi-Fi) access point AP, etc.
  • the network equipment can include a centralized unit (CU) node, a distributed unit (DU) node, or a RAN device including a CU node and a DU node.
  • CU centralized unit
  • DU distributed unit
  • RAN device including a CU node and a DU node.
  • a RAN node can be a macro base station, micro base station, indoor base station, relay node, donor node, or wireless controller in a cloud radio access network (CRAN) scenario.
  • a RAN node can also be a server, wearable device, vehicle, or onboard device.
  • the access network device in vehicle-to-everything (V2X) technology can be a roadside unit (RSU).
  • a RAN node can be a centralized unit (CU), a distributed unit (DU), a CU-control plane (CP), a CU-user plane (UP), or a radio unit (RU).
  • the CU and DU can be separate or included in the same network element, such as a baseband unit (BBU).
  • BBU baseband unit
  • the RU can be included in a radio frequency device or radio unit, such as a remote radio unit (RRU), an active antenna unit (AAU), or a remote radio head (RRH).
  • RRU remote radio unit
  • AAU active antenna unit
  • RRH remote radio head
  • CU or CU-CP and CU-UP
  • DU or RU may have different names, but those skilled in the art can understand their meanings.
  • O-CU open CU
  • DU may also be called O-DU
  • CU-CP may also be called O-CU-CP
  • CU-UP may also be called O-CU-UP
  • RU may also be called O-RU.
  • this application uses CU, CU-CP, CU-UP, DU and RU as examples for description.
  • Any unit among the CU (or CU-CP, CU-UP), DU and RU in this application can be implemented by a software module, a hardware module, or a combination of a software module and a hardware module.
  • This protocol layer may include a control plane protocol layer and a user plane protocol layer.
  • the control plane protocol layer may include at least one of the following: radio resource control (RRC) layer, packet data convergence protocol (PDCP) layer, radio link control (RLC) layer, media access control (MAC) layer, or physical (PHY) layer.
  • the user plane protocol layer may include at least one of the following: service data adaptation protocol (SDAP) layer, PDCP layer, RLC layer, MAC layer, or physical layer.
  • SDAP service data adaptation protocol
  • the network device may be any other device that provides wireless communication functionality to the terminal device.
  • the embodiments of this application do not limit the specific technology and device form used by the network device. For ease of description, the embodiments of this application do not limit this.
  • the network equipment may also include core network equipment, such as the mobility management entity (MME), home subscriber server (HSS), serving gateway (S-GW), policy and charging rules function (PCRF), and public data network gateway (PDN gateway, P-GW) in the fourth generation (4G) network; and the access and mobility management function (AMF), user plane function (UPF), or session management function (SMF) in the 5G network.
  • MME mobility management entity
  • HSS home subscriber server
  • S-GW serving gateway
  • PDN gateway, P-GW public data network gateway
  • the core network equipment may also include other core network equipment in the 5G network and the next generation network of the 5G network.
  • the above-mentioned network device may also have a network node with AI capabilities, which can provide AI services for terminals or other network devices.
  • a network node with AI capabilities can be an AI node on the network side (access network or core network), a computing power node, a RAN node with AI capabilities, a core network element with AI capabilities, etc.
  • the apparatus for implementing the function of the network device may be the network device, or may be a device capable of supporting the network device in implementing the function, such as a chip system, which may be installed in the network device.
  • the technical solutions provided in the embodiments of the present application are described by taking the network device as an example.
  • Configuration and pre-configuration are used at the same time.
  • Configuration refers to the network device and/or server sending some parameter configuration information or parameter values to the terminal through messages or signaling, so that the terminal can determine the communication parameters or resources during transmission based on these values or information.
  • Pre-configuration is similar to configuration, and can be parameter information or parameter values that the network device and/or server have pre-negotiated with the terminal device, or parameter information or parameter values used by the base station/network device or terminal device as specified in the standard protocol, or parameter information or parameter values pre-stored in the base station and/or server or terminal device. This application does not limit this.
  • “Sending” and “receiving” in the embodiments of the present application indicate the direction of signal transmission.
  • sending information to XX can be understood as the destination of the information being XX, which can include direct sending through the air interface, as well as indirect sending through the air interface by other units or modules.
  • Receiviving information from YY can be understood as the source of the information being YY, which can include direct receiving from YY through the air interface, as well as indirect receiving from YY through the air interface from other units or modules.
  • “Sending” can also be understood as the “output” of the chip interface, and “receiving” can also be understood as the “input” of the chip interface.
  • sending and receiving can be performed between devices, for example, between a network device and a terminal device, or can be performed within a device, for example, sending or receiving between components, modules, chips, software modules or hardware modules within the device through a bus, wiring or interface.
  • information may be processed between the source and destination of information transmission, such as coding, modulation, etc., but the destination can understand the valid information from the source. Similar expressions in this application can be understood similarly and will not be repeated.
  • indication may include direct indication and indirect indication, and may also include explicit indication and implicit indication.
  • the information indicated by a certain information is called information to be indicated.
  • information to be indicated In the specific implementation process, there are many ways to indicate the information to be indicated, such as but not limited to, directly indicating the information to be indicated, such as the information to be indicated itself or the index of the information to be indicated.
  • the information to be indicated may also be indirectly indicated by indicating other information, wherein the other information is associated with the information to be indicated; or only a part of the information to be indicated may be indicated, while the other part of the information to be indicated is known or agreed in advance.
  • the indication of specific information may be achieved by means of the arrangement order of each information agreed in advance (such as predefined by the protocol), thereby reducing the indication overhead to a certain extent.
  • the present application does not limit the specific method of indication. It is understandable that for the sender of the indication information, the indication information can be used to indicate the information to be indicated, and for the receiver of the indication information, the indication information can be used to determine the information to be indicated.
  • the communication system includes at least one network device and/or at least one terminal device.
  • Figure 1a is a schematic diagram of a communication system in this application.
  • Figure 1a exemplarily illustrates a network device and six terminal devices, namely terminal device 1, terminal device 2, terminal device 3, terminal device 4, terminal device 5, and terminal device 6.
  • terminal device 1 is a smart teacup
  • terminal device 2 is a smart air conditioner
  • terminal device 3 is a smart gas pump
  • terminal device 4 is a vehicle
  • terminal device 5 is a mobile phone
  • terminal device 6 is a printer.
  • the AI configuration information sending entity can be a network device.
  • the AI configuration information receiving entity can be terminal devices 1-6.
  • the network device and terminal devices 1-6 form a communication system.
  • terminal devices 1-6 can send data to the network device, and the network device needs to receive data sent by terminal devices 1-6.
  • the network device can send configuration information to terminal devices 1-6.
  • terminal devices 4 and 6 can also form a communication system.
  • Terminal device 5 serves as a network device, i.e., the AI configuration information sending entity;
  • terminal devices 4 and 6 serve as terminal devices, i.e., the AI configuration information receiving entities.
  • terminal device 5 sends AI configuration information to terminal devices 4 and 6, respectively, and receives data from them.
  • terminal devices 4 and 6 receive AI configuration information from terminal device 5 and send data to terminal device 5.
  • different devices may also execute AI-related services.
  • the base station can perform communication-related services and AI-related services with one or more terminal devices, and different terminal devices can also perform communication-related services and AI-related services.
  • an AI network element can be introduced into the communication system provided in this application to implement some or all AI-related operations.
  • the AI network element can also be called an AI node, AI device, AI entity, AI module, AI model, or AI unit, etc.
  • the AI network element can be a network element built into the communication system.
  • the AI network element can be an AI module built into: an access network device, a core network device, a cloud server, or a network management (OAM) to implement AI-related functions.
  • the OAM can be a network management for a core network device and/or a network management for an access network device.
  • the AI network element can also be an independently set network element in the communication system.
  • the terminal or the chip built into the terminal can also include an AI entity to implement AI-related functions.
  • AI artificial intelligence
  • AI Artificial intelligence
  • Machine learning methods can be used to implement AI.
  • a machine uses training data to learn (or train) a model. This model represents the mapping from input to output.
  • the learned model can be used for inference (or prediction), meaning that the model can be used to predict the output corresponding to a given input. This output can also be called an inference result (or prediction result).
  • Machine learning can include supervised learning, unsupervised learning, and reinforcement learning. Among them, unsupervised learning can also be called unsupervised learning.
  • Supervised learning uses machine learning algorithms to learn the mapping relationship between sample values and sample labels based on collected sample values and sample labels, and then expresses this learned mapping relationship using an AI model.
  • the process of training a machine learning model is the process of learning this mapping relationship.
  • sample values are input into the model to obtain the model's predicted values.
  • the model parameters are optimized by calculating the error between the model's predicted values and the sample labels (ideal values).
  • the learned mapping can be used to predict new sample labels.
  • the mapping relationship learned by supervised learning can include linear mappings or nonlinear mappings. Based on the type of label, the learning task can be divided into classification tasks and regression tasks.
  • Unsupervised learning uses algorithms to discover inherent patterns in collected sample values.
  • One type of unsupervised learning algorithm uses the samples themselves as supervisory signals, meaning the model learns the mapping from one sample to another. This is called self-supervised learning.
  • the model parameters are optimized by calculating the error between the model's predictions and the samples themselves.
  • Self-supervised learning can be used in signal compression and decompression recovery applications. Common algorithms include autoencoders and generative adversarial networks.
  • Reinforcement learning unlike supervised learning, is a type of algorithm that learns problem-solving strategies through interaction with the environment. Unlike supervised and unsupervised learning, reinforcement learning problems lack explicit label data for "correct" actions. Instead, the algorithm must interact with the environment to obtain reward signals from the environment, and then adjust its decision-making actions to maximize the reward signal value. For example, in downlink power control, the reinforcement learning model adjusts the downlink transmit power of each user based on the overall system throughput fed back by the wireless network, hoping to achieve higher system throughput. The goal of reinforcement learning is also to learn the mapping between environmental states and optimal (e.g., optimal) decision-making actions. However, because the labels for "correct actions" cannot be obtained in advance, network optimization cannot be achieved by calculating the error between actions and "correct actions.” Reinforcement learning training is achieved through iterative interaction with the environment.
  • NN neural network
  • Traditional communication systems require extensive expert knowledge to design communication modules.
  • deep learning communication systems based on neural networks can automatically discover implicit patterns in massive data sets and establish mapping relationships between data, achieving performance superior to traditional modeling methods.
  • each neuron performs a weighted sum operation on its input values and outputs the result through an activation function.
  • FIG. 1d it is a schematic diagram of the neuron structure.
  • w i is used as the weight of xi to weight xi .
  • the bias for weighted summation of input values according to the weights is, for example, b.
  • the activation function can take many forms.
  • the output of the neuron is:
  • b can be a decimal, an integer (eg, 0, a positive integer, or a negative integer), or a complex number, etc.
  • the activation functions of different neurons in a neural network can be the same or different.
  • neural networks generally include multiple layers, each of which may include one or more neurons. Increasing the depth and/or width of a neural network can improve its expressive power, providing more powerful information extraction and abstract modeling capabilities for complex systems.
  • the depth of a neural network can refer to the number of layers it comprises, and the number of neurons in each layer can be referred to as the width of that layer.
  • a neural network includes an input layer and an output layer. The input layer processes the input information received by the neural network through neurons, passing the processing results to the output layer, which then obtains the output of the neural network.
  • a neural network includes an input layer, a hidden layer, and an output layer. The input layer processes the input information received by the neural network through neurons, passing the processing results to an intermediate hidden layer. The hidden layer performs calculations on the received processing results to obtain a calculation result, which is then passed to the output layer or the next adjacent hidden layer, which ultimately obtains the output of the neural network.
  • a neural network can include one hidden layer or multiple hidden layers connected in sequence, without limitation.
  • DNN deep neural network
  • FNNs feedforward neural networks
  • CNNs convolutional neural networks
  • RNNs recurrent neural networks
  • Figure 1e is a schematic diagram of a FNN network.
  • a characteristic of FNN networks is that neurons in adjacent layers are fully connected. This characteristic typically requires a large amount of storage space and results in high computational complexity.
  • CNN is a neural network specifically designed to process data with a grid-like structure. For example, time series data (discrete sampling along the time axis) and image data (discrete sampling along two dimensions) can both be considered grid-like data.
  • CNNs do not utilize all input information at once for computation. Instead, they use a fixed-size window to intercept a portion of the information for convolution operations, significantly reducing the computational complexity of model parameters.
  • each window can use a different convolution kernel, enabling CNNs to better extract features from the input data.
  • RNNs are a type of DNN that utilizes feedback time series information. Their input consists of a new input value at the current moment and their own output value at the previous moment. RNNs are suitable for capturing temporally correlated sequence features and are particularly well-suited for applications such as speech recognition and channel coding.
  • a loss function can be defined. This function describes the gap or discrepancy between the model's output and the ideal target value. Loss functions can be expressed in various forms, and there are no restrictions on their specific form. The model training process can be viewed as adjusting some or all of the model's parameters to keep the loss function below a threshold or meet the target.
  • a model may also be referred to as an AI model, rule, or other name.
  • An AI model can be considered a specific method for implementing an AI function.
  • An AI model represents a mapping relationship or function between the input and output of a model.
  • AI functions may include one or more of the following: data collection, model training (or model learning), model information release, model inference (or model reasoning, inference, or prediction, etc.), model monitoring or model verification, or inference result release, etc.
  • AI functions may also be referred to as AI (related) operations, or AI-related functions.
  • MLP multilayer perceptron
  • an MLP consists of an input layer (left), an output layer (right), and multiple hidden layers (center).
  • Each layer of the MLP contains several nodes, called neurons. Neurons in adjacent layers are connected to each other.
  • w is the weight matrix
  • b is the bias vector
  • f is the activation function
  • n is the index of the neural network layer
  • a neural network can be understood as a mapping from an input data set to an output data set.
  • Neural networks are typically initialized randomly, and the process of obtaining this mapping from random w and b using existing data is called neural network training.
  • the specific training method is to use a loss function to evaluate the output results of the neural network.
  • the error can be backpropagated, and the neural network parameters (including w and b) can be iteratively optimized using gradient descent until the loss function reaches a minimum, which is the "better point (e.g., optimal point)" in Figure 2b. It is understood that the neural network parameters corresponding to the "better point (e.g., optimal point)" in Figure 2b can be used as the neural network parameters in the trained AI model information.
  • the gradient descent process can be expressed as:
  • ⁇ is the parameter to be optimized (including w and b)
  • L is the loss function
  • ⁇ is the learning rate, which controls the step size of gradient descent.
  • represents the derivative operation represents the derivative of ⁇ with respect to L.
  • the backpropagation process utilizes the chain rule for partial derivatives.
  • the gradient of the previous layer parameters can be recursively calculated from the gradient of the next layer parameters, which can be expressed as:
  • wij is the weight of node j connecting to node i
  • si is the weighted sum of the inputs on node i.
  • the technical solution provided in this application can be applied to wireless communication systems (such as the system shown in Figure 1a or Figure 1b or Figure 1c).
  • MIMO technology is usually used to increase system capacity, that is, multiple antennas are used at the transmitting and receiving ends at the same time.
  • the use of multiple antennas combined with space division multiplexing can increase system capacity exponentially, but in practice, the use of multiple antennas also brings about the problem of interference enhancement. Therefore, it is often necessary to perform certain processing on the signal to suppress the impact of interference.
  • This method of interference suppression through signal processing can be implemented at the receiving end or at the transmitting end. When implemented at the transmitting end, the signal to be transmitted can be preprocessed and then sent through the MIMO channel. This transmission method is precoding.
  • different communication devices can determine precoding information based on the measurement results of reference signals, and subsequently use the precoding information for high-speed data transmission.
  • the reference signal overhead is related to the number of ports on the communication device that transmit the reference signal.
  • the number of ports for transmitting reference signals in communication equipment may gradually increase, which will lead to an increase in the overhead of reference signals used to obtain precoding information and occupy more transmission resources, thereby increasing the power consumption of communication equipment.
  • FIG3 is a schematic diagram of an implementation of the communication method provided in this application.
  • the method includes the following steps.
  • the method is illustrated by taking the first communication device and the second communication device as the execution entities of the interaction diagram as an example, but this application does not limit the execution entities of the interaction diagram.
  • the execution entity of the method can be replaced by a chip, chip system, processor, logic module, or software in the communication device.
  • the first communication device may be a terminal device and the second communication device may be a network device.
  • the first communication device may be a network device
  • the second communication device may be a terminal device.
  • the first communication device and the second communication device are both terminal devices, that is, the solution shown in Figure 3 can be applied to the sidelink communication scenario.
  • a first communication device sends first information, and a second communication device receives the first information.
  • the first information is associated with the location of the first communication device; the first information is used to determine a first region within N regions indicated by first correlation map information, where N is a positive integer; the first communication device is located within the first region, and precoding information is the same for different locations within any of the N regions.
  • the second communication device communicates with one or more communication devices located in the first area based on the precoding information of the first area.
  • the precoding information may include one or more of a precoding matrix, an indication of the precoding matrix, the number of streams corresponding to the precoding matrix, a digital precoding matrix, an indication of the digital precoding matrix, the number of streams corresponding to the digital precoding matrix, an analog precoding matrix, an analog precoding matrix, and an indication of the number of streams corresponding to the analog precoding matrix.
  • the other parameters may include one or more of path loss information, signal fading information, interference information, beam indication, beam angle, beam direction, and MCS level. Accordingly, the precoding information may be replaced by the other parameters.
  • a first communication device sends first information associated with the location of the first communication device to a second communication device.
  • the second communication device can determine, based on the first information, the first region in which the first communication device is located within the N regions indicated by the first relevance map information.
  • the precoding information for different locations within any of the N regions is the same. Because signal transmission characteristics may be the same for different locations within adjacent or proximate regions, by dividing the map range indicated by the first relevance map information into different regions, the same precoding information can be used for transmission to communication devices at different locations within the same region.
  • the receiver of the first information determines the first region based on the first information
  • the receiver can communicate with one or more communication devices within the first region based on the precoding information for the first region.
  • the increased overhead and transmission resource usage caused by repeated transmission of reference signals can be avoided or reduced, thereby reducing device power consumption and improving communication efficiency.
  • a precoding resource block group can include a set of frequency-domain contiguous resource blocks (RBs).
  • the communications system calculates precoding information in the frequency domain at the PRG granularity, meaning that these contiguous RBs have the same precoding information.
  • This approach leverages the fact that statistical weights are correlated within a "nearby" region.
  • precoding information mainly utilizes the diversity gain of multipath. Therefore, precoding information is related to the multipath component (MPC) information of the communication environment in which the signal is transmitted.
  • MPC information can be obtained for a communication scenario (such as environmental information in the communication scenario, the location of network equipment, the location of terminal equipment, etc.) using the Ray Tracing method or AI model.
  • the MPC information of each point in space it can be used to obtain a spatial range with strong correlation, that is, a correlation map. In this correlation map, some areas with strong correlation are divided, that is, different locations in the same area have strong correlation. To this end, within the area, the measurement result of a certain reference point is used, and the precoding information corresponding to the measurement result is used for other users accessing this area.
  • the communication scenario is represented by the rectangular area in Figure 4, where the four vertices are A, B, C, and D.
  • the physical outlines of scatterers such as buildings and signal obstructions are represented by rectangles X, Y, and Z.
  • Figure 4 is merely an example implementation; in actual applications, the outlines of the communication environment or scatterers may not be rectangular, but may be circular, triangular, or irregular shapes, for example, and this is not a limitation here.
  • Step 1 Obtain MPC information in the communication environment.
  • the MPC information of one or more paths corresponding to the communication scenario can be obtained through a multipath composition acquisition module (for example, ray tracing simulation or AI model prediction can be used).
  • a multipath composition acquisition module for example, ray tracing simulation or AI model prediction can be used.
  • the MPC information of each path may include one or more of the following:
  • Direction of departure (DoD) information which indicates the departure angle of the path, such as the azimuth angle of departure (aod) and the zenith angle of departure (zod).
  • Direction of arrival (DoA) information which indicates the angle of arrival of the path, such as the azimuth angle of arrival (aoa) and the zenith angle of arrival (zoa);
  • Path loss information (psthloss), indicating the path loss of the path;
  • Delay information indicating the path length, travel distance, or time of arrival (TOA).
  • step 1 MPC information of one or more paths of the signal sent or received by point O can be obtained.
  • Step 2 Determine the correlation of different locations in the communication environment based on the MPC information and obtain correlation map information.
  • the calculation of correlation can be based on multiple data calculations (for example, any vector can calculate cosine similarity, and the representation of correlation can be represented by the cosine similarity of MPC parameters, such as the cosine similarity of the multipath angle; the MPC can be transformed into a frequency domain channel, and then the cosine similarity of the frequency domain channel is calculated, or the covariance matrix of the frequency domain channel is calculated, and then the cosine similarity of the covariance matrix is calculated;).
  • the calculation of correlation based on the precoding matrix is mainly introduced as an example, including the following process:
  • Step A Calculate the covariance matrix of the frequency domain channel
  • Step B Perform singular value decomposition (SVD) on the covariance matrix to obtain a right singular matrix, i.e., the precoding matrix;
  • SVD singular value decomposition
  • Step C Calculate the cosine similarity of the precoding matrices of the two points to obtain the correlation between the two points.
  • the correlation between any two points in the rectangular area ABCD can be determined, and the set of points with strong correlation is described as a region. Therefore, the division results of different regions in the rectangular area ABCD can be obtained.
  • the rectangular area ABCD can be divided into seven areas, which are represented as areas 1 to 7 in FIG6a . It should be understood that any of the seven areas shown in FIG6a can be of regular or irregular shape, and the sizes of any two areas can be equal or unequal.
  • the precoding information used in the process of calculating the correlation based on step 2 can be used as the precoding information used for communicating with the communication devices in each area, or the precoding information obtained by measuring the reference signal of a communication device at a certain point in the area can be used as the precoding information used for communicating with the communication devices in the area, without limitation here.
  • a communication device located at any position within the rectangular area ABCD needs to transmit a reference signal and the measurement results of the reference signal to another communication device in order to determine the precoding information of the communication device.
  • the precoding information at different locations within the same area is the same. Therefore, for a communication device, it can use the same precoding information to communicate with other communication devices located at the same or different locations in the same area, without going through the reference signal measurement process, which can reduce the overhead of the communication device and reduce power consumption.
  • step 2 different correlation thresholds can be used to obtain different region division results.
  • a correlation map obtained based on a lower correlation threshold indicates that the correlation between precoding information at different locations is weaker, so the corresponding division granularity is larger, and a smaller number of regions can be obtained.
  • a correlation map obtained based on a higher correlation threshold indicates that the correlation between precoding information at different locations is stronger, so the corresponding division granularity is smaller, and a larger number of regions can be obtained.
  • the rectangular area ABCD may be divided based on a lower correlation threshold to obtain 7 areas as shown in FIG. 6 a
  • the rectangular area ABCD may be divided based on a lower correlation threshold to obtain 26 areas as shown in FIG. 6 b .
  • the other parameters may include antenna configuration, number of streams, PRG size, altitude of the location of the communication device, etc.
  • the first correlation map information may be used, and the first correlation map information may be generated by processing through the first communication device and/or the second communication device (the processing may be the processing of steps 1 and 2 above), or it may be provided by a network device or server to the first communication device and/or the second communication device (or indicated, or issued), which is not limited here.
  • the first correlation map information may include at least one item of the following first indication information to seventh indication information.
  • the first indication information is used to indicate the coordinate range information of the environment map where the N areas are located;
  • Second indication information used to indicate the correlation level of precoding information in some or all of the N areas
  • the third indication information is used to indicate a value N;
  • Fourth indication information used to indicate coordinate range information of each area in the N areas
  • Fifth indication information is used to indicate map information of an environment map in which the N areas are located, wherein the map information includes pixel values corresponding to the N areas; among the N areas, the pixel values within the same area are the same, and the pixel values between at least two different areas are different;
  • Sixth indication information used to indicate version information of the first correlation map information
  • the seventh indication information is used to indicate precoding information of each of the N areas (wherein the precoding information may be precoding information used for the signal sent by the first communication device.
  • the precoding information may be uplink precoding information, such as a transmission precoding matrix indicator (TPMI)).
  • TPMI transmission precoding matrix indicator
  • the first communication device may obtain the seventh indication information through the first correlation map information, and accordingly, the first communication device can communicate based on the precoding information indicated by the seventh indication information.
  • the above-mentioned various indication information can be implemented in the following manner.
  • the first indication information is used to indicate the coordinate range information of rectangle ABCD.
  • the first indication information may include the coordinates of the four vertices of the rectangular area (i.e., points A, B, C, and D); or, for another example, the first indication information may include the coordinates of two vertices (e.g., A and C) at opposite corners of the rectangular area.
  • the fifth indication information may indicate map information of rectangle ABCD in FIG6a.
  • first information sent by the first communication device in step S301 can be implemented in a variety of ways, which will be introduced below with reference to some implementation examples.
  • the first information sent by the first communication device in step S301 includes an identifier of the first area; wherein the identifier of the first area is determined based on the location of the first communication device and the first correlation map information.
  • the first communication device can determine the identifier of the first area based on the location of the first communication device and the first correlation map information, and the first information sent by the first communication device can include the identifier of the first area, so that the recipient of the first information (for example, the second communication device) can determine the first area in N areas based on the identifier of the first area.
  • the first information when the first information includes the identifier of the first area, the first information is used to determine the first area among the N areas indicated by the first correlation map information. It can be understood that the first information is used to determine the first area among the N areas indicated by the existing first correlation map information.
  • the first communication device may determine the first correlation map in a variety of ways, which will be described below in conjunction with more implementation examples.
  • Implementation A The first communication device obtains the first correlation map by receiving data.
  • the method shown in FIG3 further includes: the first communication device receiving the first correlation map information.
  • the first communication device may receive the first correlation map information, so that the first communication device can determine the identifier of the first area based on the location of the first communication device and the first correlation map information.
  • the first communication device may further transmit a second message requesting the first relevance map information, thereby enabling the recipient of the second message to transmit the first relevance map information to the first communication device based on the request.
  • the second information includes at least one of the following: location information of the first communication device, altitude information of the first communication device, information on correlation requirements for dividing different areas, antenna configuration information for dividing different areas, frequency domain resource information for dividing different areas, and the number of layers for dividing different areas.
  • the second information used to request the first correlation map information may include at least one of the above items, so that the first communication device can obtain correlation map information compatible with the at least one of the above items.
  • the first communication device sends the second information, including: when it is determined that the change in the communication parameter is greater than a threshold, the first communication device sends the second information; the communication parameter includes at least one of the following: location information of the first communication device, altitude information of the first communication device, information on the level of correlation required for dividing different areas, antenna configuration information for dividing different areas, frequency domain resource information for dividing different areas, and the number of layers for dividing different areas.
  • the first communication device can determine that the existing correlation map information may not be applicable to the current communication environment.
  • the first communication device can send the second information to obtain updated correlation map information (i.e., the first correlation map information).
  • the method further includes: the first communication device receiving version information of the first correlation map information.
  • the first communication device may also receive the version information of the first correlation map information, so that the first communication device can determine the first correlation map information from one or more locally existing correlation map information based on the version information, thereby enabling different communication devices to communicate based on the same version of correlation map information.
  • Implementation B The first communication device obtains the first correlation map through data and configuration.
  • the method further includes: the first communication device sending version information of the first correlation map information.
  • the first communication device can also send version information of the first correlation map information, so that the recipient of the version information (for example, the second communication device) can determine the first correlation map information in one or more locally existing correlation map information based on the version information, so that different communication devices can communicate based on the same version of correlation map information.
  • the recipient of the version information for example, the second communication device
  • the first communication device is a UE and the second communication device is a base station.
  • the UE may repeatedly access a certain base station, so the UE can save the correlation map previously issued by the BS, and does not need to download it again when the UE accesses.
  • the correlation map on the BS side may be updated with changes in buildings, changes in the environment, and the use of new reference points, and will become more and more accurate. Therefore, through the interaction of the above-mentioned version information, the UE can check the version number of the correlation map currently used by the BS when accessing.
  • the UE When the UE finds that the version number of the local correlation map is lower than the version number of the correlation map issued by the BS, it can receive the latest correlation map; or the UE actively feeds back the version number it uses, and the BS side saves the correlation maps of each version number in the past, and the BS can use the correlation map of the old version number to precode it.
  • the version information can be sent through radio resource control (RRC)/download control information (DCI)/media access control (MAC CE) or other signaling, and the specific transmission method is not restricted.
  • RRC radio resource control
  • DCI download control information
  • MAC CE media access control
  • the first information sent by the first communication device in step S301 includes location information of the first communication device; wherein the first correlation map information is determined by the location information of the first communication device.
  • the first information sent by the first communication device may include the location information of the first communication device, so that the recipient of the first information (for example, the second communication device) can determine the first area corresponding to the location in N areas based on the location information of the first communication device.
  • the first information when the first information includes the location information of the first communication device, the first information is used to determine the first area among the N areas indicated by the first correlation map information. It can be understood that the first information is used to determine the first area among the N areas indicated by the existing first correlation map information; or, the first information is used to update the existing correlation map information to obtain the first correlation map information, and the first information is also used to determine the first area among the N areas indicated by the first correlation map information.
  • the method further includes: the first communication device receives a first reference signal, sends a measurement result of the first reference signal; and/or sends a second reference signal; wherein the first correlation map information is determined by the location information of the first communication device, and at least one of the measurement result of the first reference signal and the measurement result of the second reference signal.
  • the first information is used to determine the existing correlation map information to obtain the first correlation map information, and the first information is also used to determine the first area among the N areas indicated by the first correlation map information.
  • the first communication device can send the measurement result of the first reference signal or the second reference signal, so that the second communication device can obtain the measurement result of the reference signal, and based on the measurement results of one or more reference signals and the location of the communication device that sends the reference signal (or sends the measurement result of the reference signal), the correlation map information is updated to obtain the first correlation map information.
  • the first communication device is a UE and the second communication device is a base station.
  • the BS indicates a UE as a reference point, then the UE needs to measure and feedback the channel state information, and the BS records the channel state information of the UE.
  • the UE needs to feedback its position, and the BS obtains a correlation map based on the UE position and communication parameters such as the number of antennas and the number of streams.
  • the BS directly uses the channel state information measured by the previous reference point UE to perform precoding on the newly accessed UE and complete downlink fast transmission.
  • a UE can actively request to be a reference point when the current BS calculates the correlation map.
  • the location information of the UE is known on the BS side, such as an IoT fixed device in the network.
  • the method shown in FIG3 further includes: the first communication device sending third information, the third information being used to request an update of the first relevance map information; the first communication device receiving second relevance map information, the second relevance map information being determined based on the third information; wherein the second relevance map information is used to determine M areas within the first area, where M is a positive integer; and wherein the M areas are different from the N areas.
  • the first communication device may further send third information requesting an update of the first relevance map information, so that a recipient of the third information can send updated relevance map information (i.e., second relevance map information) to the first communication device based on the request.
  • the third information includes at least one of the following: an identifier of the first area, location information of the first communication device, communication performance information based on precoding information corresponding to the first area, and measurement results obtained by measuring communication signals in the first area.
  • the third information used to request an update of the first correlation map information may include at least one of the above items, so that the first communication device can obtain correlation map information compatible with the at least one of the above items.
  • the process of the first communication device sending the third information includes: the first communication device sending the third information when any of the following items are met, including: the first communication device determining that the communication performance of communicating in the first area is lower than a threshold; the first communication device determining that the correlation between the precoding information corresponding to the first area and the precoding information obtained by measuring the communication signal based on the first area is less than a threshold.
  • the first communication device may determine that the existing first correlation map information may not be applicable to the current communication environment.
  • the first communication device may send the third information to obtain updated correlation map information (i.e., second correlation map information).
  • an embodiment of the present application provides a communication device 700.
  • This communication device 700 can implement the functions of the second communication device or the first communication device in the above-mentioned method embodiment, thereby also achieving the beneficial effects of the above-mentioned method embodiment.
  • the communication device 700 can be the first communication device (or the second communication device), or it can be an integrated circuit or component, such as a chip, within the first communication device (or the second communication device).
  • the transceiver unit 702 may include a sending unit and a receiving unit, which are respectively used to perform sending and receiving.
  • the device 700 when the device 700 is used to execute the method executed by the first communication device in the aforementioned embodiment, the device 700 includes a processing unit 701 and a transceiver unit 702; the processing unit 701 is used to determine first information, which is associated with the position of the first communication device; wherein the first information is used to determine the first area within the N areas indicated by the first correlation map information, N is a positive integer; the position of the first communication device is located within the first area, and the precoding information of different positions in any of the N areas is the same; the transceiver unit 702 is used to send the first information.
  • the processing unit 701 is used to determine first information, which is associated with the position of the first communication device; wherein the first information is used to determine the first area within the N areas indicated by the first correlation map information, N is a positive integer; the position of the first communication device is located within the first area, and the precoding information of different positions in any of the N areas is the same; the transceiver unit 702 is used to send the first information
  • the device 700 when the device 700 is used to execute the method executed by the second communication device in the aforementioned embodiment, the device 700 includes a processing unit 701 and a transceiver unit 702; the transceiver unit 702 is used to receive first information, and the first information is associated with the position of the first communication device; wherein the first information is used to determine the first area within the N areas indicated by the first correlation map information, N is a positive integer; the position of the first communication device is located within the first area, and the precoding information of different positions in any of the N areas is the same; the processing unit 701 communicates with one or more communication devices located in the first area based on the precoding information of the first area.
  • Fig. 8 is another schematic structural diagram of a communication device 800 provided in this application.
  • the communication device 800 includes a logic circuit 801 and an input/output interface 802.
  • the communication device 800 may be a chip or an integrated circuit.
  • the transceiver unit 702 shown in FIG7 may be a communication interface, which may be the input/output interface 802 in FIG8 , which may include an input interface and an output interface.
  • the communication interface may be a transceiver circuit, which may include an input interface circuit and an output interface circuit.
  • the logic circuit 801 is used to determine first information, which is associated with the position of the first communication device; wherein the first information is used to determine the first area within N areas indicated by the first correlation map information, where N is a positive integer; the position of the first communication device is located within the first area, and the precoding information of different positions within any one of the N areas is the same; the input and output interface 802 is used to send the first information.
  • the input-output interface 802 is used to receive first information, which is associated with the position of the first communication device; wherein the first information is used to determine the first area within the N areas indicated by the first correlation map information, where N is a positive integer; the position of the first communication device is located within the first area, and the precoding information of different positions within any one of the N areas is the same; the logic circuit 801 is used to communicate with one or more communication devices located in the first area based on the precoding information of the first area.
  • the logic circuit 801 and the input/output interface 802 may also execute other steps executed by the first communication device or the second communication device in any embodiment and achieve corresponding beneficial effects, which will not be described in detail here.
  • the processing unit 701 shown in FIG. 7 may be the logic circuit 801 in FIG. 8 .
  • the logic circuit 801 may be a processing device, and the functions of the processing device may be partially or entirely implemented by software.
  • the functions of the processing device may be partially or entirely implemented by software.
  • the processing device may include a memory and a processor, wherein the memory is used to store a computer program, and the processor reads and executes the computer program stored in the memory to perform corresponding processing and/or steps in any one of the method embodiments.
  • the processing device may include only a processor.
  • a memory for storing the computer program is located outside the processing device, and the processor is connected to the memory via circuits/wires to read and execute the computer program stored in the memory.
  • the memory and processor may be integrated or physically separate.
  • the processing device may be one or more chips, or one or more integrated circuits.
  • the processing device may be one or more field-programmable gate arrays (FPGAs), application-specific integrated circuits (ASICs), system-on-chips (SoCs), central processing units (CPUs), network processors (NPs), digital signal processing circuits (DSPs), microcontrollers (MCUs), programmable logic devices (PLDs), or other integrated chips, or any combination of the above chips or processors.
  • FPGAs field-programmable gate arrays
  • ASICs application-specific integrated circuits
  • SoCs system-on-chips
  • CPUs central processing units
  • NPs network processors
  • DSPs digital signal processing circuits
  • MCUs microcontrollers
  • PLDs programmable logic devices
  • FIG 9 shows a communication device 900 involved in the above-mentioned embodiments provided in an embodiment of the present application.
  • the communication device 900 can specifically be a communication device serving as a terminal device in the above-mentioned embodiments.
  • the example shown in Figure 9 is that the terminal device is implemented through the terminal device (or a component in the terminal device).
  • the communication device 900 may include but is not limited to at least one processor 901 and a communication port 902 .
  • the transceiver unit 702 shown in FIG7 may be a communication interface, which may be the communication port 902 in FIG9 , which may include an input interface and an output interface.
  • the communication port 902 may be a transceiver circuit, which may include an input interface circuit and an output interface circuit.
  • the device may also include at least one of a memory 903 and a bus 904.
  • the at least one processor 901 is used to control and process the actions of the communication device 900.
  • the processor 901 can be a central processing unit, a general-purpose processor, a digital signal processor, an application-specific integrated circuit, a field programmable gate array or other programmable logic device, a transistor logic device, a hardware component, or any combination thereof. It can implement or execute the various exemplary logic blocks, modules, and circuits described in conjunction with the disclosure of this application.
  • the processor can also be a combination that implements computing functions, such as a combination of one or more microprocessors, a combination of a digital signal processor and a microprocessor, and so on.
  • the communication device 900 shown in Figure 9 can be specifically used to implement the steps implemented by the terminal device in the aforementioned method embodiment and achieve the corresponding technical effects of the terminal device.
  • the specific implementation methods of the communication device shown in Figure 9 can refer to the description in the aforementioned method embodiment and will not be repeated here.
  • FIG 10 is a structural diagram of the communication device 1000 involved in the above-mentioned embodiments provided in an embodiment of the present application.
  • the communication device 1000 can specifically be a communication device as a network device in the above-mentioned embodiments.
  • the example shown in Figure 10 is that the network device is implemented through the network device (or a component in the network device), wherein the structure of the communication device can refer to the structure shown in Figure 10.
  • the communication device 1000 includes at least one processor 1011 and at least one network interface 1014. Further optionally, the communication device also includes at least one memory 1012, at least one transceiver 1013 and one or more antennas 1015.
  • the processor 1011, the memory 1012, the transceiver 1013 and the network interface 1014 are connected, for example, via a bus. In an embodiment of the present application, the connection may include various interfaces, transmission lines or buses, etc., which are not limited in this embodiment.
  • the antenna 1015 is connected to the transceiver 1013.
  • the network interface 1014 is used to enable the communication device to communicate with other communication devices through a communication link.
  • the network interface 1014 may include a network interface between the communication device and the core network device, such as an S1 interface, and the network interface may include a network interface between the communication device and other communication devices (such as other network devices or core network devices), such as an X2 or Xn interface.
  • the transceiver unit 702 shown in FIG7 may be a communication interface, which may be the network interface 1014 in FIG10 , which may include an input interface and an output interface.
  • the network interface 1014 may be a transceiver circuit, which may include an input interface circuit and an output interface circuit.
  • Processor 1011 is primarily used to process communication protocols and communication data, control the entire communication device, execute software programs, and process software program data, for example, to support the communication device in performing the actions described in the embodiments.
  • the communication device may include a baseband processor and a central processing unit.
  • the baseband processor is primarily used to process communication protocols and communication data, while the central processing unit is primarily used to control the entire terminal device, execute software programs, and process software program data.
  • Processor 1011 in Figure 10 may integrate the functions of both a baseband processor and a central processing unit. Those skilled in the art will appreciate that the baseband processor and the central processing unit may also be independent processors interconnected via a bus or other technology.
  • a terminal device may include multiple baseband processors to accommodate different network standards, multiple central processing units to enhance its processing capabilities, and various components of the terminal device may be connected via various buses.
  • the baseband processor may also be referred to as a baseband processing circuit or a baseband processing chip.
  • the central processing unit may also be referred to as a central processing circuit or a central processing chip.
  • the functionality for processing communication protocols and communication data may be built into the processor or stored in memory as a software program, which is executed by the processor to implement the baseband processing functionality.
  • the memory is primarily used to store software programs and data.
  • Memory 1012 can exist independently and be connected to processor 1011. Alternatively, memory 1012 and processor 1011 can be integrated together, for example, within a single chip.
  • Memory 1012 can store program code for executing the technical solutions of the embodiments of the present application, and execution is controlled by processor 1011. The various computer program codes executed can also be considered drivers for processor 1011.
  • Figure 10 shows only one memory and one processor. In an actual terminal device, there may be multiple processors and multiple memories.
  • the memory may also be referred to as a storage medium or a storage device.
  • the memory may be a storage element on the same chip as the processor, i.e., an on-chip storage element, or an independent storage element, which is not limited in the present embodiment.
  • the transceiver 1013 can be used to support the reception or transmission of radio frequency signals between the communication device and the terminal.
  • the transceiver 1013 can be connected to the antenna 1015.
  • the transceiver 1013 includes a transmitter Tx and a receiver Rx. Specifically, one or more antennas 1015 can receive radio frequency signals.
  • the receiver Rx of the transceiver 1013 is used to receive the radio frequency signal from the antenna, convert the radio frequency signal into a digital baseband signal or a digital intermediate frequency signal, and provide the digital baseband signal or digital intermediate frequency signal to the processor 1011 so that the processor 1011 can further process the digital baseband signal or digital intermediate frequency signal, such as demodulation and decoding.
  • the transmitter Tx in the transceiver 1013 is also used to receive a modulated digital baseband signal or digital intermediate frequency signal from the processor 1011, convert the modulated digital baseband signal or digital intermediate frequency signal into a radio frequency signal, and transmit the radio frequency signal through one or more antennas 1015.
  • the receiver Rx can selectively perform one or more stages of down-mixing and analog-to-digital conversion on the RF signal to obtain a digital baseband signal or a digital intermediate frequency signal.
  • the order of the down-mixing and analog-to-digital conversion processes is adjustable.
  • the transmitter Tx can selectively perform one or more stages of up-mixing and digital-to-analog conversion on the modulated digital baseband signal or digital intermediate frequency signal to obtain a RF signal.
  • the order of the up-mixing and digital-to-analog conversion processes is adjustable.
  • the digital baseband signal and the digital intermediate frequency signal may be collectively referred to as digital signals.
  • the transceiver 1013 may also be referred to as a transceiver unit, a transceiver, a transceiver device, etc.
  • a device in the transceiver unit that implements a receiving function may be referred to as a receiving unit
  • a device in the transceiver unit that implements a transmitting function may be referred to as a transmitting unit. That is, the transceiver unit includes a receiving unit and a transmitting unit.
  • the receiving unit may also be referred to as a receiver, an input port, a receiving circuit, etc.
  • the transmitting unit may be referred to as a transmitter, a transmitter, or a transmitting circuit, etc.
  • the communication device 1000 shown in Figure 10 can be specifically used to implement the steps implemented by the network device in the aforementioned method embodiment, and to achieve the corresponding technical effects of the network device.
  • the specific implementation methods of the communication device 1000 shown in Figure 10 can refer to the description in the aforementioned method embodiment, and will not be repeated here one by one.
  • FIG11 is a schematic structural diagram of the communication device involved in the above-mentioned embodiment provided in an embodiment of the present application.
  • the communication device 110 includes, for example, modules, units, elements, circuits, or interfaces, which are appropriately configured together to implement the technical solutions provided in this application.
  • the communication device 110 can be the terminal device or network device described above, or a component (such as a chip) in these devices, used to implement the method described in the following method embodiment.
  • the communication device 110 includes one or more processors 111.
  • the processor 111 can be a general-purpose processor or a dedicated processor. For example, it can be a baseband processor or a central processing unit.
  • the baseband processor can be used to process communication protocols and communication data
  • the central processing unit can be used to control the communication device (such as a RAN node, terminal, or chip, etc.), execute software programs, and process data of software programs.
  • the processor 111 may include a program 113 (sometimes also referred to as code or instructions), which may be executed on the processor 111 to cause the communication device 110 to perform the methods described in the following embodiments.
  • the communication device 110 includes circuitry (not shown in FIG11 ).
  • the communication device 110 may include one or more memories 112 on which a program 114 (sometimes also referred to as code or instructions) is stored.
  • the program 114 can be run on the processor 111, so that the communication device 110 executes the method described in the above method embodiment.
  • the processor 111 and/or the memory 112 may include AI modules 117 and 118, which are used to implement AI-related functions.
  • the AI module can be implemented through software, hardware, or a combination of software and hardware.
  • the AI module may include a wireless intelligent control (RIC) module.
  • the AI module may be a near-real-time RIC or a non-real-time RIC.
  • data may be stored in the processor 111 and/or the memory 112.
  • the processor and the memory may be provided separately or integrated together.
  • the communication device 110 may further include a transceiver 115 and/or an antenna 116.
  • the processor 111 may also be referred to as a processing unit, and controls the communication device (e.g., a RAN node or terminal).
  • the transceiver 115 may also be referred to as a transceiver unit, a transceiver, a transceiver circuit, or a transceiver, and is configured to implement the transceiver functions of the communication device through the antenna 116.
  • the processing unit 701 shown in FIG7 may be the processor 111.
  • the transceiver unit 702 shown in FIG7 may be a communication interface, which may be the transceiver 115 shown in FIG11 .
  • the transceiver 115 may include an input interface and an output interface.
  • the transceiver 115 may be a transceiver circuit, which may include an input interface circuit and an output interface circuit.
  • An embodiment of the present application further provides a computer-readable storage medium, which is used to store one or more computer-executable instructions.
  • the processor executes the method described in the possible implementation methods of the first communication device or the second communication device in the aforementioned embodiment.
  • An embodiment of the present application also provides a computer program product (or computer program).
  • the processor executes the method that may be implemented by the above-mentioned first communication device or second communication device.
  • An embodiment of the present application also provides a chip system, which includes at least one processor for supporting a communication device to implement the functions involved in the possible implementation methods of the above-mentioned communication device.
  • the chip system also includes an interface circuit, which provides program instructions and/or data to the at least one processor.
  • the chip system may also include a memory, which is used to store the necessary program instructions and data for the communication device.
  • the chip system can be composed of chips, or it can include chips and other discrete devices, wherein the communication device can specifically be the first communication device or the second communication device in the aforementioned method embodiment.
  • An embodiment of the present application further provides a communication system, wherein the network system architecture includes the first communication device and the second communication device in any of the above embodiments.
  • the disclosed systems, devices and methods can be implemented in other ways.
  • the device embodiments described above are merely schematic.
  • the division of the units is merely a logical function division.
  • Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be an indirect coupling or communication connection through some interfaces, devices or units, which can be electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of these units may be selected to achieve the purpose of this embodiment according to actual needs.
  • the functional units in the various embodiments of the present application can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit.
  • the above-mentioned integrated unit can be implemented in the form of hardware or in the form of a software functional unit. If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium.
  • the technical solution of the present application is essentially or the contributing part or all or 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 for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method described in the various embodiments of the present application.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk and other media that can store program code.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
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Abstract

L'invention concerne un procédé de communication et un appareil associé. Dans le procédé, des premières informations envoyées par un premier appareil de communication sont utilisées pour déterminer, à partir de N régions indiquées par des premières informations de carte de cohérence, une première région dans laquelle est situé l'emplacement du premier appareil de communication, différents emplacements dans l'une quelconque des N régions ayant des informations de précodage identiques. Étant donné que différents emplacements dans des régions adjacentes ou voisines peuvent présenter des caractéristiques de transmission de signaux identiques, au moyen de la réalisation d'une division sur une plage cartographique indiquée par les premières informations de carte de cohérence pour obtenir différentes régions, des appareils de communication à différents emplacements dans la même région peuvent effectuer une transmission en utilisant des informations de précodage identiques. Ainsi, au moyen d'un ou de plusieurs appareils de communication dans la même région réutilisant des informations de précodage identiques, l'augmentation des surdébits et l'occupation de ressources de transmission provoquées par des transmissions répétées de signaux de référence peuvent être évitées ou réduites, ce qui permet de réduire la consommation d'énergie d'un dispositif, et d'améliorer l'efficacité de communication.
PCT/CN2024/133757 2024-04-18 2024-11-22 Procédé de communication et appareil associé Pending WO2025218168A1 (fr)

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CN114124176A (zh) * 2020-08-27 2022-03-01 华为技术有限公司 预编码方法及通信装置
WO2022099560A1 (fr) * 2020-11-12 2022-05-19 华为技术有限公司 Procédé de traitement de données et dispositif associé
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Publication number Priority date Publication date Assignee Title
CN109952718A (zh) * 2016-11-04 2019-06-28 索尼移动通讯有限公司 使无线通信网络中的装置同步
CN114124176A (zh) * 2020-08-27 2022-03-01 华为技术有限公司 预编码方法及通信装置
WO2022099560A1 (fr) * 2020-11-12 2022-05-19 华为技术有限公司 Procédé de traitement de données et dispositif associé
CN117255364A (zh) * 2022-06-10 2023-12-19 中兴通讯股份有限公司 预编码配置方法及其装置、存储介质

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