[go: up one dir, main page]

WO2025223273A1 - Procédé de communication et appareil associé - Google Patents

Procédé de communication et appareil associé

Info

Publication number
WO2025223273A1
WO2025223273A1 PCT/CN2025/089217 CN2025089217W WO2025223273A1 WO 2025223273 A1 WO2025223273 A1 WO 2025223273A1 CN 2025089217 W CN2025089217 W CN 2025089217W WO 2025223273 A1 WO2025223273 A1 WO 2025223273A1
Authority
WO
WIPO (PCT)
Prior art keywords
sub
information
communication
communication quality
indicate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2025/089217
Other languages
English (en)
Chinese (zh)
Inventor
罗禾佳
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 WO2025223273A1 publication Critical patent/WO2025223273A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/12—Communication route or path selection, e.g. power-based or shortest path routing based on transmission quality or channel quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/20—Communication route or path selection, e.g. power-based or shortest path routing based on geographic position or location
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/34—Modification of an existing route
    • H04W40/36—Modification of an existing route due to handover
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/06—Airborne or Satellite Networks

Definitions

  • This application relates to the field of communication technology, and in particular to a communication method and related apparatus.
  • Wireless communication can be a transmission communication between two or more communication nodes that does not propagate through conductors or cables.
  • These communication nodes generally include network equipment and terminal equipment.
  • Traditional network equipment can be equipment fixed at a certain location on the ground, such as the ground base station belonging to a terrestrial network (TN) cell.
  • TN terrestrial network
  • network equipment may not be fixed in a certain place on the ground.
  • the network equipment may be a high-speed mobile device belonging to a non-terrestrial network (NTN) cell, including but not limited to satellite equipment such as low-Earth orbit satellites, medium-Earth orbit satellites, and high-Earth orbit satellites.
  • NTN non-terrestrial network
  • the satellite equipment of NTN cells may move at high speeds, which leads to poor signal propagation stability of NTN cell signals and thus affects communication efficiency.
  • This application provides a communication method and related apparatus for improving communication efficiency.
  • the first communication device may be a communication equipment (such as a terminal device or a network device), or it may be a component of a communication equipment (such as a processor, circuit, chip, or chip system), or it may be a logic module or software capable of implementing all or part of the functions of the communication equipment.
  • a communication equipment such as a terminal device or a network device
  • a component of a communication equipment such as a processor, circuit, chip, or chip system
  • it may be a logic module or software capable of implementing all or part of the functions of the communication equipment.
  • the first communication device determines first information, which indicates the relationship between a spatial angle range, visibility information, and a geographical area; the visibility information indicates the communication quality between a network device located within the spatial angle range and a terminal device located within the geographical area; and the first communication device, based on the first information, determines one or more network devices communicating with the first terminal device, the first terminal device being located within the geographical area.
  • the first information obtained by the first communication device can be used to indicate the correlation between spatial angle intervals, visibility information, and geographical areas. Subsequently, the first communication device can determine one or more network devices communicating with the first terminal device based on the first information.
  • the visibility information is used to indicate the communication quality between network devices located within the spatial angle interval and terminal devices located within the geographical area. In this way, the first communication device can determine (or select) one or more network devices with higher communication quality communicating with the first terminal device based on the visibility information, thereby improving communication efficiency.
  • the communication quality indicated by the visibility information can be the expected, anticipated, or predicted communication quality. That is, the visibility information is used to indicate the expected, anticipated, or predicted communication quality between network devices located within that spatial angular range and terminal devices located within that geographical area.
  • terminal devices or network devices can predict the timing of signal interruptions based on signal obstruction and prepare/switch to network devices with higher communication quality in advance to improve communication efficiency.
  • terminal devices can communicate with network devices of higher quality at reasonable locations and/or in appropriate postures based on signal obstruction, which can improve the success rate of signal transmission and thus enhance communication efficiency.
  • terminal devices can select unobstructed (or less obstructed) network devices for positioning based on signal obstruction, which can improve positioning accuracy and enable related communication services through higher positioning accuracy, thereby improving communication efficiency.
  • the first communication device can be implemented in various ways, which will be described below.
  • the first communication device is a first terminal device. Accordingly, after the first communication device determines one or more network devices that communicate with the first terminal device based on the first information, the first communication device can send an uplink signal to the one or more network devices.
  • the uplink signal can be used for access, measurement reporting, data transmission, etc.
  • the first communication device is a second network device, which is different from the one or more network devices. Accordingly, after the first communication device determines the one or more network devices communicating with the first terminal device based on the first information, the first communication device can instruct the one or more network devices to the first terminal device, or the first communication device can instruct the first terminal device to the one or more network devices.
  • visibility information can be replaced with other terms, such as visibility information of NTN communication, occlusion information, occlusion information of NTN communication, NTN transmission environment information, long-term link quality information, or NTN transmission path information, etc.
  • the visibility information includes any of the following:
  • the first indication information indicates that the transmission path of the communication signal is a visible path
  • the second indication information indicates that the transmission path of the communication signal is an invisible path
  • the third indication information indicates that the transmission path of the communication signal is a line-of-sight (LOS) path;
  • the fourth indication information indicates that the transmission path of the communication signal is a non-line of sight (NLOS) path.
  • NLOS non-line of sight
  • the visibility information of the first information indication can be implemented in a variety of ways to improve the flexibility of the scheme implementation.
  • the order of the four communication qualities indicated by the above four indication information from high to low can be: the communication quality indicated by the first indication information (or the communication quality indicated by the third indication information), the communication quality indicated by the fourth indication information, and the communication quality indicated by the second indication information.
  • the spatial angle interval includes N sub-intervals, the geographical region contains M sub-regions, and the visibility information is used to indicate P communication qualities, where N, M, and P are all positive integers; the one or more network devices are determined based on K communication qualities out of the P communication qualities.
  • the first terminal device is located in a first sub-region within the M sub-regions, and the K communication qualities are the communication quality between network devices located in K sub-intervals out of the N sub-intervals and terminal devices located in the first sub-region, where K is less than or equal to P and K is less than or equal to N.
  • the first communication device can determine K communication qualities from P communication qualities. These K communication qualities are used to indicate the communication quality of K sub-intervals corresponding to the sub-region where the first terminal device is located. In this way, the first communication device can determine (or select) one or more network devices that communicate with the first terminal device based on the K communication qualities that match the geographical region where the first terminal device is located.
  • subinterval can be replaced with other terms, such as spatial angle subinterval, spatial range, spatial region, or subspace region.
  • subregion may be replaced with other terms, such as geographic subregion, geographic region, or geographic extent.
  • the one or more network devices are determined based on the K communication quality metrics, including: L of the K communication quality metrics being higher than a threshold, where L is less than or equal to K; wherein the L communication quality metrics are used to indicate the communication quality between network devices located in L sub-intervals of the K sub-intervals and terminal devices located in the first sub-region, wherein the one or more network devices are located in the L sub-intervals.
  • the first communication device can determine L communication qualities that are higher than the threshold from K communication qualities. That is, the first communication device can determine L communication qualities with higher communication quality based on K communication qualities that match the geographical area where the first terminal device is located, so as to determine L sub-intervals with higher communication quality, and determine (or select) one or more network devices with higher communication quality to communicate with the first terminal device based on the L sub-intervals.
  • the one or more network devices are determined based on the K communication quality metrics, including: the first communication device can select J sub-intervals from the K sub-intervals, and select T communication quality metrics with communication quality higher than a threshold from the J communication quality metrics corresponding to the J sub-intervals, wherein the T sub-intervals corresponding to the T communication quality metrics are used to determine the one or more network devices.
  • the first communication device can select J sub-intervals from the K sub-intervals, select T sub-intervals with communication quality higher than a threshold based on the J communication quality metrics corresponding to the J sub-intervals, and determine (or select) one or more network devices with higher communication quality that communicate with the first terminal device based on the L sub-intervals.
  • the first communication device can determine J sub-intervals from K sub-intervals in a variety of ways.
  • the first communication device can select J sub-intervals based on the instructions from the network device.
  • the instructions from the network device can be used to schedule the first terminal device, enabling the first communication device to determine the J sub-intervals where the network device communicating with the first terminal device is located based on the network device's scheduling.
  • the first communication device can determine J sub-intervals for communication with the first terminal device using ephemeris information.
  • the ephemeris information can be used to determine the J sub-intervals that are geographically close to the location of the first terminal device.
  • network devices in sub-intervals geographically close to the location of the terminal device have higher communication quality. Therefore, this method can improve the efficiency of the first communication device in determining one or more network devices, thereby reducing latency.
  • the first information includes P first sub-information, each of which is used to indicate a communication quality; in the P first sub-information, any one of the sub-information is used to indicate the communication quality between a network device in one of the N sub-intervals contained in the spatial angle interval and a terminal device located in one of the M sub-intervals contained in the geographical region, where N, M, and P are all positive integers.
  • the first information received by the first communication device may include P first sub-information for indicating P communication qualities, so that the first communication device can determine P communication qualities through the first information.
  • the P first sub-information messages can be carried on other messages/signaling/information that are different from the first information.
  • the P first sub-information pieces are used to indicate the P communication quality, which can be understood as a one-to-one correspondence between the P first sub-information pieces and the P communication quality, or that the p-th first sub-information piece among the P first sub-information pieces is used to indicate the p-th communication quality among the P communication quality, where p is from 1 to P.
  • the first information further includes at least one of the following:
  • X fourth sub-information pieces which are used to indicate the confidence level of X first sub-information pieces among P first sub-information pieces, where X is less than or equal to P;
  • Y fifth sub-information pieces each of which is used to indicate the time information when Y first sub-information pieces out of P first sub-information pieces are valid information, where Y is less than or equal to P;
  • Z sixth sub-information pieces which are used to indicate the difference between the communication quality indicated by the Z first sub-information pieces in the P first sub-information pieces and the communication quality of the reference point, where Z is less than or equal to P.
  • the first communication device can also obtain more information through at least one of the above methods, which can help the first communication device quickly determine one or more network devices communicating with the first terminal device.
  • At least one of the above information may be carried in other messages/signaling/information different from the first information.
  • the P communication qualities include a first communication quality and a second communication quality.
  • the first communication quality indicates the communication quality between a network device in the P1th sub-interval of the N sub-intervals and a terminal device located in the second sub-region.
  • the second communication quality indicates the communication quality between a network device in the P2th sub-interval of the N sub-intervals and a terminal device located in the second sub-region.
  • P1 and P2 are both positive integers less than or equal to N, and P1 is not equal to P2 .
  • the P1th sub -interval is divided based on a first spatial partitioning granularity
  • the P2th sub-interval is divided based on a second spatial partitioning granularity.
  • the first spatial partitioning granularity is greater than the second spatial partitioning granularity
  • the priority of the first communication quality is lower than the priority of the second communication quality.
  • different spatial division granularities may correspond to different visibility information.
  • the visibility information corresponding to finer spatial division granularities is more accurate. Therefore, the priority of the first communication quality is lower than that of the second communication quality, so that the first communication device can determine one or more network devices communicating with the first terminal device based on the visibility information with higher priority (e.g., higher accuracy).
  • the spatial regions indicated by the P1 subinterval and the P2 subinterval may partially or completely overlap.
  • the first sub-region and the second sub-region can be the same sub-region or different sub-regions.
  • the first communication device determines the first information, including: the first communication device receives the first information.
  • the first communication device can obtain the first information based on the instructions of other devices (such as terminal devices, network devices, etc.), which can reduce the implementation complexity.
  • the first communication device may also obtain the first information through other means, such as determining the first information through information obtained by its own information acquisition module (e.g., camera, microphone, antenna, radar, sensor, etc.).
  • its own information acquisition module e.g., camera, microphone, antenna, radar, sensor, etc.
  • a second aspect of this application provides a communication method applied to, or executed by, a second communication device.
  • This second communication device can be a communication equipment (such as a terminal device or a network device), or it can be a component of a communication equipment (such as a processor, circuit, chip, or chip system), or it can be a logic module or software capable of implementing all or part of the functions of the communication equipment.
  • the second communication device determines first information; wherein the first information is used to indicate the correlation between a spatial angle range, visibility information, and a geographical area; the visibility information is used to indicate the communication quality between a network device located within the spatial angle range and a terminal device located within the geographical area; and the second communication device transmits the first information.
  • the first information sent by the second communication device to the first communication device can be used to indicate the correlation between spatial angle ranges, visibility information, and geographical areas. Subsequently, the first communication device can determine one or more network devices communicating with the first terminal device based on this first information.
  • the visibility information indicates the communication quality between network devices located within the spatial angle range and terminal devices located within the geographical area. In this way, the first communication device can determine (or select) one or more network devices with higher communication quality communicating with the first terminal device based on the visibility information, thereby improving communication efficiency.
  • the first information includes P first sub-information, each of which is used to indicate a communication quality; in the P first sub-information, any one of the sub-information is used to indicate the communication quality between a network device in one of the N sub-intervals contained in the spatial angle interval and a terminal device located in one of the M sub-intervals contained in the geographical region, where N, M, and P are all positive integers.
  • the first information received by the first communication device may include P first sub-information for indicating P communication qualities, so that the first communication device can determine P communication qualities through the first information.
  • the P first sub-information messages can be carried on other messages/signaling/information that are different from the first information.
  • the P first sub-information pieces are used to indicate the P communication quality, which can be understood as a one-to-one correspondence between the P first sub-information pieces and the P communication quality, or that the p-th first sub-information piece among the P first sub-information pieces is used to indicate the p-th communication quality among the P communication quality, where p is from 1 to P.
  • the first information further includes at least one of the following:
  • X fourth sub-information pieces which are used to indicate the confidence level of X first sub-information pieces among P first sub-information pieces, where X is less than or equal to P;
  • Y fifth sub-information pieces each of which is used to indicate the time information when Y first sub-information pieces out of P first sub-information pieces are valid information, where Y is less than or equal to P;
  • Z sixth sub-information pieces which are used to indicate the difference between the communication quality indicated by the Z first sub-information pieces in the P first sub-information pieces and the communication quality of the reference point, where Z is less than or equal to P.
  • the first communication device can also obtain more information through at least one of the above methods, which can help the first communication device quickly determine one or more network devices communicating with the first terminal device.
  • At least one of the above information may be carried in other messages/signaling/information different from the first information.
  • the P communication qualities include a first communication quality and a second communication quality.
  • the first communication quality indicates the communication quality between a network device in the P1th sub-interval of the N sub-intervals and a terminal device located in the second sub-region.
  • the second communication quality indicates the communication quality between a network device in the P2th sub-interval of the N sub-intervals and a terminal device located in the second sub-region.
  • P1 and P2 are both positive integers less than or equal to N, and P1 is not equal to P2 .
  • the P1th sub -interval is divided based on a first spatial partitioning granularity
  • the P2th sub-interval is divided based on a second spatial partitioning granularity.
  • the first spatial partitioning granularity is greater than the second spatial partitioning granularity
  • the priority of the first communication quality is lower than the priority of the second communication quality.
  • different spatial division granularities may correspond to different visibility information.
  • the visibility information corresponding to finer spatial division granularities is more accurate. Therefore, the priority of the first communication quality is lower than that of the second communication quality, so that the first communication device can determine one or more network devices communicating with the first terminal device based on the visibility information with higher priority (e.g., higher accuracy).
  • the spatial regions indicated by the P1 subinterval and the P2 subinterval may partially or completely overlap.
  • the first sub-region and the second sub-region can be the same sub-region or different sub-regions.
  • the visibility information includes any of the following:
  • the first indication information indicates that the transmission path of the communication signal is a visible path
  • the second indication information indicates that the transmission path of the communication signal is an invisible path
  • the third indication information indicates that the transmission path of the communication signal is a LOS path
  • the fourth indication information indicates that the transmission path of the communication signal is the NLOS path.
  • the visibility information of the first information indication can be implemented in a variety of ways to improve the flexibility of the scheme implementation.
  • the order of the four communication qualities indicated by the above four indication information from high to low can be: the communication quality indicated by the first indication information (or the communication quality indicated by the third indication information), the communication quality indicated by the fourth indication information, and the communication quality indicated by the second indication information.
  • a third aspect of this application provides a communication device, which is a first communication device, comprising a processing unit; the processing unit is configured to determine first information, the first information being used to indicate the relationship between a spatial angle range, visibility information, and a geographical area; the visibility information being used to indicate the communication quality between a network device located within the spatial angle range and a terminal device located within the geographical area; the processing unit is further configured to determine, based on the first information, one or more network devices communicating with the first terminal device, the first terminal device being located within the geographical area.
  • the constituent modules of the communication device can also be used to execute the steps performed in various possible implementations of the first aspect and achieve the corresponding technical effects.
  • the constituent modules of the communication device can also be used to execute the steps performed in various possible implementations of the first aspect and achieve the corresponding technical effects.
  • a fourth aspect of this application provides a communication device, which is a second communication device.
  • the device includes a transceiver unit and a processing unit.
  • the processing unit is used to determine first information; wherein the first information is used to indicate the relationship between a spatial angle range, visibility information, and a geographical area; the visibility information is used to indicate the communication quality between a network device located within the spatial angle range and a terminal device located within the geographical area; and the transceiver unit is used to transmit the first information.
  • the constituent modules of the communication device can also be used to perform the steps executed in various possible implementations of the second aspect and achieve the corresponding technical effects.
  • the second aspect please refer to the second aspect, which will not be repeated here.
  • a fifth aspect of this application provides a communication device including at least one processor coupled to a memory; the memory is used to store a program or instructions; the at least one processor is used to execute the program or instructions to cause the device to implement the method described in any possible implementation of any of the first to second aspects.
  • the communication device may include the memory.
  • the sixth aspect of this application provides a communication device including at least one logic circuit and an input/output interface; the logic circuit is used to perform the method as described in any one of the possible implementations of the first to second aspects described above.
  • the seventh aspect of this application provides a communication system, which includes the first communication device and the second communication device described above.
  • An eighth aspect of this application provides a computer-readable storage medium for storing one or more computer-executable instructions, which, when executed by a processor, perform the method as described in any possible implementation of any of the first to second aspects described above.
  • the ninth aspect of this application provides a computer program product (or computer program) that, when executed by a processor, performs the method described in any possible implementation of any of the first to second aspects described above.
  • the tenth aspect of this application provides a chip or chip system including at least one processor for supporting a communication device in implementing the methods described in any possible implementation of any of the first to second aspects.
  • the chip may be a baseband chip, a modem chip, a system-on-chip (SoC) chip containing a modem core, a system-in-package (SIP) chip, or a communication module, etc.
  • 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 chips or may include chips and other discrete devices.
  • the chip system may also include interface circuitry that provides program instructions and/or data to the at least one processor.
  • FIG. 1 is a schematic diagram of the communication system provided in this application.
  • FIGS. 2a to 2d are some schematic diagrams of the satellite communication process provided in this application.
  • FIG. 3 is a schematic diagram of the satellite communication process in the 5G system provided in this application.
  • FIG. 4 is a schematic diagram of the communication method provided in this application.
  • FIG. 5 is a schematic diagram of the application of the communication method provided in this application.
  • FIGS 6 to 9 are some schematic diagrams of the communication device provided in this application.
  • Terminal device 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 be various communication kits with wireless communication capabilities (kits may include, for example, antennas, power supply modules, cables, and Wi-Fi modules). Terminal devices can also be communication modules with satellite communication capabilities, satellite phones or components thereof, and very small aperture terminals (VSATs). Terminal devices can be mobile terminal devices, such as mobile phones (or "cellular" phones), computers, and data cards. For example, they can be portable, pocket-sized, handheld, computer-embedded, or vehicle-mounted mobile devices that exchange voice and/or data with a wireless access network. Examples include personal communication service (PCS) phones, cordless phones, session initiation protocol (SIP) phones, wireless local loop (WLL) stations, personal digital assistants (PDAs), tablets, and computers with wireless transceiver capabilities.
  • PCS personal communication service
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDAs personal digital assistants
  • Wireless terminal equipment can also be referred to as a system, subscriber unit, subscriber station, mobile station, mobile station (MS), remote station, access point (AP), remote terminal, access terminal, user terminal, user agent, subscriber station (SS), customer premises equipment (CPE), terminal, user equipment (UE), mobile terminal (MT), drone, etc.
  • Terminal equipment can also be wearable devices and next-generation communication systems, such as terminal equipment in 6G communication systems or terminal equipment in future public land mobile networks (PLMNs).
  • PLMNs public land mobile networks
  • the terminal device in this application may also refer to a chip, modem, system-on-a-chip (SoC) or communication platform that may include radio frequency (RF) components, etc., that is mainly responsible for related communication functions.
  • SoC system-on-a-chip
  • Network equipment This can be equipment in a wireless network.
  • network equipment can be a RAN node (or device) that connects terminal devices to the wireless network, and can also be called a base station.
  • RAN equipment include: base station, evolved NodeB (eNodeB), gNB (gNodeB) in 5G communication systems, transmission reception point (TRP), evolved Node B (eNB), radio network controller (RNC), Node B (NB), home base station (e.g., home evolved Node B, or home Node B, HNB), base band unit (BBU), or wireless fidelity (Wi-Fi) access point (AP), etc.
  • network equipment can include centralized unit (CU) nodes, distributed unit (DU) nodes, or RAN equipment including CU nodes and DU nodes.
  • CU centralized unit
  • DU distributed unit
  • RAN equipment including CU nodes and DU nodes.
  • RAN nodes can also be macro base stations, micro base stations or indoor stations, relay nodes or donor nodes, or radio controllers in cloud radio access network (CRAN) scenarios.
  • RAN nodes can also be servers, wearable devices, vehicles, or in-vehicle equipment.
  • the access network equipment in vehicle-to-everything (V2X) technology can be a roadside unit (RSU).
  • V2X vehicle-to-everything
  • RSU roadside unit
  • RAN nodes collaborate to assist the terminal in achieving wireless access, with each RAN node performing a portion of the base station's functions.
  • RAN nodes can be central units (CUs), distributed units (DUs), CU-control plane (CPs), CU-user plane (UPs), or radio units (RUs).
  • CUs and DUs can be separate entities or included in the same network element, such as a baseband unit (BBU).
  • RUs can be included in radio frequency equipment or radio frequency units, such as remote radio units (RRUs), active antenna units (AAUs), or remote radio heads (RRHs).
  • RRUs remote radio units
  • AAUs active antenna units
  • RRHs remote radio heads
  • CU or CU-CP and CU-UP
  • DU or RU
  • RU may have different names, but those skilled in the art will understand their meaning.
  • O-CU open CU
  • DU can also be called O-DU
  • CU-CP can also be called O-CU-CP
  • CU-UP can also be called O-CU-UP
  • RU can also be called O-RU.
  • this application uses CU, CU-CP, CU-UP, DU, and RU as examples.
  • Any of the units among CU (or CU-CP, CU-UP), DU, and RU in this application can be implemented through software modules, hardware modules, or a combination of software modules and hardware modules.
  • 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, etc.
  • 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, etc.
  • SDAP service data adaptation protocol
  • Network devices can be other devices that provide wireless communication functions for terminal devices.
  • the embodiments of this application do not limit the specific technology or device form used in the network device. For ease of description, the embodiments of this application are not limited.
  • 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) in 4G networks; and access and mobility management function (AMF), user plane function (UPF), or session management function (SMF) in 5G networks.
  • MME Mobility Management Entity
  • HSS Home Subscriber Server
  • S-GW Serving Gateway
  • PCRF Policy and Charging Rules Function
  • PDN Gateway Public Data Network Gateway
  • AMF access and mobility management function
  • UPF user plane function
  • SMF Public Data Network Gateway
  • the network device can also be a network node with artificial intelligence (AI) capabilities, which can provide AI services to terminals or other network devices.
  • AI artificial intelligence
  • it can be an AI node, computing power node, RAN node with AI capabilities, core network element with AI capabilities, etc. on the network side (access network or core network).
  • the device for implementing the function of the network device can be the network device itself, or it can be a device capable of supporting the network device in implementing that function, such as a chip system, which can be installed in the network device.
  • a network device being used to implement the function of the network device is used to describe the technical solutions provided in this application embodiment.
  • Configuration and Pre-configuration In this application, both configuration and pre-configuration are used.
  • Configuration refers to the network device sending configuration information or parameter values of some parameters to the terminal device through messages or signaling, so that the terminal device can determine the communication parameters or resources during transmission based on these values or information.
  • Pre-configuration is similar to configuration; it can be parameter information or parameter values that the network device and the terminal device have negotiated in advance, or it can be parameter information or parameter values that the network device or the terminal device uses as specified by the standard protocol, or it can be parameter information or parameter values that are pre-stored in the network device or the terminal device. This application does not limit this.
  • “send” and “receive” indicate the direction of signal transmission.
  • “send information to XX” can be understood as the destination of the information being XX, which may include sending directly through the air interface or sending indirectly through the air interface by other units or modules.
  • “Receive information from YY” can be understood as the source of the information being YY, which may include receiving directly from YY through the air interface or receiving indirectly from YY through the air interface by other units or modules.
  • “Send” can also be understood as the "output” of the chip interface, and “receive” can also be understood as the "input” of the chip interface.
  • sending and receiving can occur between devices, such as between network devices and terminal devices, or within a device, such as between components, modules, chips, software modules, or hardware modules within the device via buses, wiring, or interfaces.
  • a geographic region may be replaced with a region.
  • a region is fixed relative to the Earth, or it can be understood as a geographic area that is fixed relative to the Earth.
  • a region may have at least one of the following attributes: shape, outline, size, radius, area, geographic location, etc.
  • a "region" may also have an altitude attribute, meaning a region can be understood as a geographic area at a given altitude or within a given altitude range.
  • a region may refer to a geographic area on the ground with an elevation of 0 km or within a range of 0 km ⁇ 2 km, or a geographic area at a certain average altitude, or a geographic area at a specific altitude, such as an elevation of 10 km or within a range of 10 km ⁇ 3 km.
  • the aforementioned region fixed relative to the Earth can also be referred to as a "wave position,” “geographic region,” etc.
  • wave position a region fixed relative to the Earth
  • geographic region a region fixed relative to the Earth.
  • other names are also possible, and this application does not specifically limit the name of the region fixed relative to the Earth.
  • the shapes, outlines, sizes, radii, and areas of different regions may be the same or different.
  • the geographical locations of the different regions may differ.
  • the different regions may or may not overlap.
  • the region being fixed relative to the Earth can be understood as follows: the region's outline, size, or geographical location remains unchanged; for example, the region's outline, size, or geographical location does not change over time.
  • the region being fixed relative to the Earth can be understood as follows: the region's outline and the points within it can be described using a fixed Earth coordinate system, or the coordinates of each point on the region's outline in the fixed Earth coordinate system remain constant.
  • the shape of the region can be a regular hexagon, or other shapes such as a regular pentagon, a circle, an ellipse, etc.
  • the shape of the region can also be irregular, without restriction.
  • the shape of a region can be defined by a protocol or by a network device. Regions defined by different network devices can have the same or different shapes. The same network device can also define multiple region shapes. Similarly, the size, radius, and area of a region can also be defined by a protocol or by a network device. Regions defined by different network devices can have the same or different sizes, radii, or areas. The same network device can also define multiple region sizes, multiple region radii, or multiple region areas.
  • the Earth's surface can be divided into multiple regions, and these regions can be indexed (e.g., numbered). Terminal devices and network devices can agree on the numbering method for these regions (e.g., starting from 1 or 0) and the correspondence between regions and indexes. Alternatively, the protocol can define the numbering method for these regions and the correspondence between regions and indexes. Based on the region indexes, information such as the region's geographical location can be determined.
  • the multiple regions can completely cover the Earth's surface, such that any location on the Earth's surface belongs to a certain region; or, the multiple regions can also cover part of the geographical location on Earth, for example, the multiple regions may not cover the Earth's South Pole and/or North Pole, that is, the South Pole and/or North Pole may not exist in the region.
  • the method of dividing the network into multiple zones can be defined by a protocol or by the network device.
  • Different network devices can define the same or different division methods.
  • the same network device can also define multiple division methods.
  • multiple grids can be defined to divide the Earth's surface. For example, a grid at an altitude of 0 km or within a range of 0 km ⁇ 2 km can be divided into 1-degree latitude and longitude grids, generating 129,600 regions. At an altitude of 10 km or within a range of 10 km ⁇ 3 km, another 1-degree latitude and longitude grid can be used, generating yet another 129,600 regions. When indexing these grids, the index range of a single-layer grid needs to be expanded.
  • the total index could be 0, 1, ..., 129599, 129600, 129601, ..., 259199, where the first 129,600 indices represent the grid index at an altitude of 0 km, and the last 129,600 indices represent the grid index at an altitude of 10 km.
  • the granularity of the latitude and longitude grid can be determined based on the type of network device. For instance, a relatively small granularity can be used for discretization when the network device is a LEO satellite, and a relatively large granularity can be used when the network device is a GEO satellite.
  • the Earth's surface can be divided using latitude and longitude grids of various granularities. For example, a portion of the Earth's surface or a portion of its administrative region can be divided using a latitude and longitude grid with a granularity of 1 degree, while another portion of the surface or administrative region can be divided using a latitude and longitude grid with a granularity of 2 degrees.
  • the Earth's surface can be divided using a latitude and longitude grid with a granularity of 1 degree at an altitude of 0 km, and the Earth's surface can be divided using a latitude and longitude grid with a granularity of 2 degrees at an altitude of 10 km.
  • the Earth's surface can be divided by administrative regions.
  • a township-level administrative region could be considered as a region.
  • the projection of one of the GEO satellite's beams onto the ground can be considered as a region. Since GEO satellites are stationary relative to the Earth, the projection of the GEO satellite's beams onto the ground can be considered fixed relative to the Earth.
  • the Earth's surface can be divided using a combination of different methods. For example, a portion of the Earth's surface or a part of its administrative region can be divided using a latitude and longitude grid with a granularity of 1, while another portion of the surface or administrative region can be divided according to its administrative region.
  • a first level of region division can be performed using a 10-degree granularity latitude and longitude grid, a second level using a 6-degree granularity grid, and a third level using a 1-degree granularity grid.
  • the number of regions at the first level is greater than the number at the second level
  • the number of regions at the second level is greater than the number at the third level.
  • each level of region can be individually numbered.
  • "instruction” may include direct instruction and indirect instruction, as well as explicit instruction and implicit instruction.
  • the information indicated by a certain piece of information (as described below, the instruction information) is called the information to be instructed.
  • the information to be instructed there are many ways to indicate the information to be instructed, such as, but not limited to, directly indicating the information to be instructed, such as the information to be instructed itself or its index. It can also indirectly indicate the information to be instructed by indicating other information, where there is an association between the other information and the information to be instructed; or it can only indicate a part of the information to be instructed, while the other parts of the information to be instructed are known or pre-agreed upon.
  • the instruction can be implemented by using a pre-agreed (e.g., protocol predefined) arrangement order of various information, thereby reducing the instruction overhead to a certain extent.
  • a pre-agreed e.g., protocol predefined
  • This application does not limit the specific method of instruction. It is understood that for the sender of the instruction information, the instruction information can be used to indicate the information to be instructed; for the receiver of the instruction information, the instruction information can be used to determine the information to be instructed.
  • This application can be applied to long-term evolution (LTE) systems, new radio (NR) systems, or new wireless vehicle-to-everything (NR V2X) systems; it can also be applied to systems with hybrid LTE and 5G networks; or device-to-device (D2D) communication systems, machine-to-machine (M2M) communication systems, Internet of Things (IoT) systems, or drone communication systems; or communication systems supporting multiple wireless technologies, such as those supporting LTE and NR technologies; or non-terrestrial communication systems, such as satellite communication systems and high-altitude communication platforms.
  • LTE long-term evolution
  • NR new radio
  • NR V2X new wireless vehicle-to-everything
  • D2D device-to-device
  • M2M machine-to-machine
  • IoT Internet of Things
  • drone communication systems or communication systems supporting multiple wireless technologies, such as those supporting LTE and NR technologies
  • non-terrestrial communication systems such as satellite communication systems and high-altitude communication platforms.
  • this communication system can also be applied to narrowband Internet of Things (NB-IoT) systems or other communication systems, wherein the communication system includes network devices and terminal devices, with the network devices acting as configuration information sending entities and the terminal devices acting as configuration information receiving entities.
  • NB-IoT narrowband Internet of Things
  • one entity sends configuration information to another entity and sends data to or receives data from another entity; the other entity receives the configuration information and, based on the configuration information, sends data to or receives data from the entity that sent the configuration information.
  • This application can be applied to terminal devices in a connected or active state, as well as to terminal devices in an inactive or idle state.
  • the communication system includes a radio access network (RAN) 100 and a core network 200.
  • the communication system 1000 may also include an Internet 300.
  • the RAN 100 includes at least one RAN node (110a and 110b in Figure 1, collectively referred to as 110), and may also include at least one terminal (120a-120j in Figure 1, collectively referred to as 120).
  • the RAN 100 may also include other RAN nodes, such as wireless relay devices and/or wireless backhaul devices (not shown in Figure 1).
  • the terminal 120 is wirelessly connected to the RAN node 110, and the RAN node 110 is wirelessly or wiredly connected to the core network 200.
  • the core network equipment in the core network 200 and the RAN node 110 in the RAN 100 can be independent and different physical devices, or they can be the same physical device integrating the logical functions of the core network equipment and the logical functions of the RAN node. Terminals can be connected to each other, as can RAN nodes, via wired or wireless means.
  • RAN100 in Figure 1 may include a terrestrial base station, wherein the terrestrial base station may include a TN cell (i.e., the signal of the TN cell can be transmitted and received through the terrestrial base station); and RAN100 in Figure 1 may also include a non-terrestrial base station, taking a satellite as an example, the satellite may include an NTN cell (i.e., the signal of the NTN cell can be transmitted and received through the satellite).
  • NTN non-terrestrial network
  • the terrestrial communication system may be, for example, a long term evolution (LTE) system, a universal mobile telecommunications system (UMTS), a 5G communication system, or a new radio (NR) system, or a communication system that is the next step in the development of 5G communication systems, etc., and is not limited here.
  • LTE long term evolution
  • UMTS universal mobile telecommunications system
  • 5G communication system 5G communication system
  • NR new radio
  • satellite communication offers advantages such as wider coverage, communication costs independent of transmission distance, and the ability to overcome natural geographical barriers like oceans, deserts, and mountains.
  • satellite communication can serve as an effective supplement. It is generally believed that non-terrestrial network communication has different channel characteristics compared to terrestrial network communication, such as large transmission delays and Doppler frequency offsets. For example, the round-trip time (RTT) of GEO satellite communication is 238–270 milliseconds (ms), while that of LEO satellite communication is 8 ms–20 ms.
  • RTT round-trip time
  • satellite communication systems can be classified into three types: geostationary orbit (GEO) satellite communication systems (also known as geosynchronous orbit satellite systems); medium orbit (MEO) satellite communication systems; and low orbit (LEO) satellite communication systems.
  • GEO geostationary orbit
  • MEO medium orbit
  • LEO low orbit
  • GEO satellites also known as geostationary orbit satellites, orbit at an altitude of 35,786 kilometers. Their main advantages are relative stationary position and large coverage area. However, GEO satellites also have significant drawbacks: their large distance from Earth necessitates larger antennas; their transmission latency is relatively high, around 0.5 seconds, failing to meet the demands of real-time services; and their orbital resources are relatively scarce, resulting in high launch costs and an inability to provide coverage to polar regions. MEO satellites, orbiting at altitudes between 2,000 and 35,786 km, can achieve global coverage with a relatively small number of satellites, but their transmission latency is higher than that of LEO satellites, and they are primarily used for positioning and navigation.
  • LEO satellites orbiting at altitudes between 300 and 2,000 km are called Low Earth Orbit (LEO) satellites.
  • LEO satellites are lower in altitude than MEO and GEO satellites, resulting in lower data propagation latency, lower power loss, and relatively lower launch costs. Therefore, LEO satellite communication networks have made significant progress and attracted considerable attention in recent years.
  • satellite equipment can be categorized into transparent mode and regenerative mode based on its operating mode.
  • the satellite and the gateway station act as relays, specifically the Remote Radio Unit shown in Figure 2a. Communication between the terminal equipment and the gNB requires this relay process.
  • the satellite in transparent transmission mode, the satellite has a relay forwarding function.
  • the satellite when the satellite (including GEO satellites, MEO satellites, LEO satellites, etc.) operates in transparent transmission mode, the satellite has a relay forwarding function.
  • the gateway station (or signaling station) has the function of a base station or part of the function of a base station; in this case, the gateway station can be regarded as a base station.
  • the base station can be deployed separately from the gateway station, in which case the delay of the feeder link includes two parts: the delay from the satellite to the gateway station and the delay from the gateway station to the gNB.
  • the transparent transmission mode can be used as an example where the gateway station and gNB are together or in close proximity.
  • the feeder link delay can be calculated by adding the delay from the satellite to the gateway station and the delay from the gateway station to the gNB.
  • the satellite and the gateway station act as gNBs and can communicate with the terminal devices.
  • the satellite in regeneration mode, the satellite has the functions of a base station or some of the functions of a base station, and in this case, the satellite can be regarded as a base station.
  • the satellite when the satellite (including GEO satellites, MEO satellites, LEO satellites, etc.) is working in regeneration mode, compared with the implementation shown in Figure 2b, the satellite has the function of a base station or part of the function of a base station.
  • the satellite can be regarded as a base station (i.e., an airborne base station).
  • the satellite can be implemented in other ways, such as by a drone or a high-altitude platform as shown in the figures.
  • NTN and terrestrial network base stations can be interconnected through a shared core network. They can also achieve more timely assistance and interconnection through interfaces defined between base stations.
  • the interface between base stations is called the Xn interface
  • the interface between the base station and the core network is called the NG interface.
  • both NTN nodes and terrestrial nodes can achieve interoperability and collaboration through these interfaces.
  • satellites acting as network devices can transmit ephemeris information so that the recipient of this ephemeris information (e.g., a terminal device, its base station, or other satellites) can determine relevant information about the satellite's orbit based on the ephemeris information.
  • the ephemeris information may include one or more of the information in Table 2 below.
  • the terminal device may obtain one or more of the information in Table 2 through pre-configuration.
  • LTE long term evolution
  • NR new radio
  • 5G evolution
  • 6G 6G, 7G, etc.
  • a 5G satellite communication system architecture is shown in Figure 3.
  • Ground terminal equipment accesses the network through the 5G New Radio interface, while 5G base stations are deployed on satellites and connected to the ground core network via wireless links. Simultaneously, wireless links exist between satellites to facilitate signaling interaction and user data transmission between base stations.
  • the devices and interfaces in Figure 3 are described below:
  • 5G Core Network This includes services such as user access control, mobility management, session management, user security authentication, and billing. It consists of multiple functional units, which can be divided into control plane and data plane functional entities.
  • the Access and Mobility Management Unit (AMF) is responsible for user access management, security authentication, and mobility management.
  • the User Plane Unit (UPF) is responsible for managing user plane data transmission and traffic statistics.
  • the Session Management Function (SMF) is mainly used for session management in the mobile network, such as session establishment, modification, and release.
  • Ground station responsible for forwarding signaling and service data between satellite base stations and the 5G core network.
  • 5G New Radio The wireless link between a terminal and a base station.
  • Xn interface The interface between 5G base stations, mainly used for signaling interactions such as handover.
  • NG interface The interface between 5G base stations and 5G core networks, mainly used for exchanging non-access stratum (NAS) signaling of the core network and user service data.
  • NAS non-access stratum
  • network devices in terrestrial network communication systems and satellites in NTN communication systems can be uniformly considered as network devices.
  • the apparatus used to implement the functions of a network device can be a network device itself; it can also be an apparatus capable of supporting the network device in implementing that function, such as a chip system, which can be installed within the network device.
  • a satellite is used as an example to illustrate the technical solutions provided by the embodiments of this application. It is understood that when the methods provided by the embodiments of this application are applied to terrestrial network communication systems, the actions performed by the satellite can be applied to the base station or network device for execution.
  • the device for implementing the functions of the terminal device can be the terminal device itself; it can also be a device capable of supporting the terminal device in implementing the functions, such as a chip system, which can be installed in the terminal device.
  • the chip system can be composed of chips, or it can include chips and other discrete devices.
  • the device for implementing the functions of the terminal device is a terminal or UE as an example to describe the technical solutions provided in this application embodiment.
  • the aforementioned satellites can be geostationary satellites, non-geostationary satellites, artificial satellites, low-Earth orbit satellites, medium-Earth orbit satellites, and high-Earth orbit satellites, etc., which are not specifically limited here.
  • the signals that network devices can send can configure communication resources.
  • These communication resources can include the communication resources of the network device itself, as well as the communication resources of any adjacent network devices, so that the receiver of the signal can determine the appropriate communication resources based on the signal. For example, if the receiver of the signal is a terminal device, the terminal device can obtain network services based on these communication resources.
  • network equipment may not be fixed in a certain place on the ground.
  • the network equipment may be a high-speed mobile device belonging to a non-terrestrial network (NTN) cell, including but not limited to satellite equipment such as low-Earth orbit satellites, medium-Earth orbit satellites, and high-Earth orbit satellites.
  • NTN non-terrestrial network
  • the satellite equipment of NTN cells may move at high speeds, which leads to poor signal propagation stability of NTN cell signals and thus affects communication efficiency.
  • Figure 4 is a schematic diagram of an implementation of the communication method provided in this application. The method includes the following steps.
  • the communication device can be a communication equipment (e.g., a terminal device or a network device), or a chip, baseband chip, modem chip, system-on-chip (SoC) chip containing a modem core, system-in-package (SIP) chip, communication module, chip system, processor, logic module, or software in the communication equipment.
  • the first communication device can be a terminal device and the second communication device can be a network device.
  • the second communication device sends first information, and correspondingly, the first communication device receives the first information.
  • the first information is used to indicate the relationship between a spatial angle range, visibility information, and a geographical area; the visibility information is used to indicate the communication quality between a network device located within the spatial angle range and a terminal device located within the geographical area.
  • step S401 is an optional step. That is, the first communication device can also obtain the first information through other means. For example, the first communication device can determine the first information through information obtained by its own information acquisition module (such as a camera, microphone, antenna, radar, sensor, etc.).
  • its own information acquisition module such as a camera, microphone, antenna, radar, sensor, etc.
  • the first communication device determines one or more network devices that communicate with the first terminal device based on the first information, the first terminal device being located within the geographical area.
  • the second communication device can be a ground base station, a repeater, a gateway station (or signaling station), a satellite base station (e.g., LEO satellite, MEO satellite, GEO satellite, etc.), a drone, or a high-altitude platform, etc.
  • the network device is an ORAN network element in the ORAN architecture shown in Table 1, the network device may include an O-CU, an O-DU, and an O-RU; in step S401 above, the first information can be generated through the O-CU and/or the O-DU, and the first information can be sent through the O-RU.
  • step S502 the process by which the first communication device determines one or more network devices in step S502 will be described below by way of example.
  • the first information received by the first communication device in step S501 is used to indicate the relationship between spatial angle intervals, visibility information, and geographical regions.
  • the spatial angle intervals include N sub-intervals
  • the geographical regions include M sub-regions
  • the visibility information is used to indicate P communication qualities, where N, M, and P are all positive integers.
  • the first communication device can determine one or more network devices according to the following process.
  • the first communication device may determine the communication quality (i.e., the K communication qualities below) of one or more sub-intervals corresponding to the location of the first communication device in the following manner.
  • the first terminal device is located in a first sub-region within the M sub-regions.
  • K of the P communication quality metrics represent the communication quality between network devices located in K sub-intervals within the N sub-intervals and the terminal device located within the first sub-region, where K is less than or equal to P and K is less than or equal to N.
  • the one or more network devices are determined based on these K communication quality metrics.
  • the first communication device can determine K communication quality metrics from the P communication quality metrics, which are used to indicate the communication quality of the K sub-intervals corresponding to the sub-region where the first terminal device is located. In this way, the first communication device can determine (or select) one or more network devices communicating with the first terminal device based on the K communication quality metrics that match the geographical region where the first terminal device is located.
  • subinterval can be replaced with other terms, such as spatial angle subinterval, spatial range, spatial region, or subspace region.
  • subregion can be replaced with other terms, such as geographic subregion, geographic region, or geographic extent.
  • subregion can be implemented using terms such as wave position, region index, or region number as described in the preceding terminology introduction.
  • Step B The first communication device determines part or all of the communication quality among the communication quality of one or more sub-intervals determined in step A, and determines one or more network devices based on the part or all of the communication quality.
  • the one or more network devices are determined based on the K communication quality metrics. Specifically, L of the K communication quality metrics are higher than a threshold, where L is less than or equal to K. These L communication quality metrics indicate the communication quality between network devices located within the L sub-intervals of the K sub-intervals and terminal devices located within the first sub-region, where the one or more network devices are located within the L sub-intervals.
  • the first communication device can determine L communication quality metrics higher than the threshold from the K communication quality metrics; that is, the first communication device can determine L communication quality metrics with higher communication quality based on the K communication quality metrics that match the geographical region where the first terminal device is located, thereby determining L sub-intervals with higher communication quality, and based on these L sub-intervals, determine (or select) one or more network devices with higher communication quality that communicate with the first terminal device.
  • the first communication device may determine one or more sub-intervals (i.e., the aforementioned K sub-intervals) corresponding to the location of the first communication device.
  • the first communication device may determine some or all of the determined sub-intervals based on the one or more determined sub-intervals, and determine one or more network devices based on these partial or complete sub-intervals.
  • the first communication device may select J sub-intervals from the K sub-intervals, and select T communication quality levels with communication quality higher than a threshold from the J communication quality levels corresponding to these J sub-intervals.
  • the T sub-intervals corresponding to these T communication quality levels are used to determine the one or more network devices.
  • the first communication device may select J sub-intervals from the K sub-intervals, select T sub-intervals with communication quality higher than a threshold based on the J communication quality levels corresponding to these J sub-intervals, and determine (or select) one or more network devices with higher communication quality that communicate with the first terminal device based on these L sub-intervals.
  • the first communication device can determine J sub-intervals from K sub-intervals in a variety of ways.
  • the first communication device can select J sub-intervals based on the instructions from the network device.
  • the instructions from the network device can be used to schedule the first terminal device, enabling the first communication device to determine the J sub-intervals where the network device communicating with the first terminal device is located based on the network device's scheduling.
  • the first communication device can determine J sub-intervals for communication with the first terminal device using ephemeris information.
  • the ephemeris information can be used to determine the J sub-intervals that are geographically close to the location of the first terminal device.
  • network devices in sub-intervals geographically close to the location of the terminal device have higher communication quality. Therefore, this method can improve the efficiency of the first communication device in determining one or more network devices, thereby reducing latency.
  • the first communication device can be implemented in various ways, which will be described below.
  • the first communication device is a first terminal device. Accordingly, after the first communication device determines one or more network devices that communicate with the first terminal device based on the first information in step S402, the first communication device can send an uplink signal to the one or more network devices.
  • the uplink signal can be used for access, measurement reporting, data transmission, etc.
  • the first communication device is a first network device, which is one of the one or more network devices. Accordingly, after the first communication device determines the one or more network devices communicating with the first terminal device based on the first information in step S402, the first communication device can send downlink signals to the first terminal device.
  • the downlink signals can be used for paging, measurement pilots, neighbor cell configuration, beam configuration, etc.
  • the first communication device is a second network device, which is different from the one or more network devices. Accordingly, after the first communication device determines the one or more network devices communicating with the first terminal device based on the first information in step S402, the first communication device may indicate the one or more network devices to the first terminal device, or the first communication device may indicate the first terminal device to the one or more network devices.
  • the first information obtained by the first communication device in step S401 can be used to indicate the correlation between spatial angle intervals, visibility information, and geographical areas.
  • the first communication device can determine one or more network devices that communicate with the first terminal device based on the first information.
  • the visibility information is used to indicate the communication quality between network devices located within the spatial angle interval and terminal devices located within the geographical area. In this way, the first communication device can determine (or select) one or more network devices with higher communication quality that communicate with the first terminal device based on the visibility information, thereby improving communication efficiency.
  • visibility information indicates the degree of obstruction in the transmission path of the signal between the network device and the terminal device. Because NTN communication has a relatively small incident spread angle, signal obstruction between the network device in the NTN cell and the terminal device located on the ground has a significant impact on signal transmission quality. Therefore, the communication device can use visibility information to determine (or select) one or more network devices with higher communication quality for communication with the terminal device, thereby improving communication efficiency. This can be achieved, for example, through one or more of the following examples.
  • terminal devices can select network devices that are not blocked (or have only minor blockage) based on signal obstruction, which can reduce unnecessary switching and reselection and improve communication efficiency.
  • terminal devices or network devices can predict the timing of signal interruptions based on signal obstruction and prepare/switch to network devices with higher communication quality in advance to improve communication efficiency.
  • terminal devices can communicate with network devices of higher quality at reasonable locations and/or in appropriate postures based on signal obstruction, which can improve the success rate of signal transmission and thus enhance communication efficiency.
  • terminal devices can select unobstructed (or less obstructed) network devices for positioning based on signal obstruction, which can improve positioning accuracy and enable related communication services through higher positioning accuracy, thereby improving communication efficiency.
  • visibility information can be replaced with other terms, such as visibility information of NTN communication, occlusion information, occlusion information of NTN communication, NTN transmission environment information, long-term link quality information, or NTN transmission path information, etc.
  • the visibility information includes any of the following:
  • the first indication information indicates that the transmission path of the communication signal is a visible path
  • the second indication information indicates that the transmission path of the communication signal is an invisible path
  • the third indication information indicates that the transmission path of the communication signal is a LOS path
  • the fourth indication information indicates that the transmission path of the communication signal is the NLOS path.
  • the visibility information indicated by the first information can be achieved through the above-mentioned multiple methods to improve the flexibility of the solution implementation.
  • the order of the four communication qualities indicated by the above four indication information from high to low can be: the communication quality indicated by the first indication information (or the communication quality indicated by the third indication information), the communication quality indicated by the fourth indication information, and the communication quality indicated by the second indication information.
  • LOS paths and NLOS paths can be identified in one or more of the following ways.
  • the communication signal transmitted by the signal transmitter based on a certain transmit power has a received signal strength that is greater than the received signal strength that would be greater if the same communication signal were transmitted via a non-linear communication (NLOS) path.
  • NLOS non-linear communication
  • the first communication device can determine whether the transmission path of the reference signal is an LOS path or an NLOS path based on the received signal strength of the reference signal.
  • the first communication device can determine that the reference signal is transmitted through the LOS path.
  • the first communication device can determine that the reference signal is transmitted through the NLOS path.
  • the threshold can be configured by the network device, pre-configured, or an expected value determined based on the signal reception strength of a reference point.
  • the communication signal transmitted by the signal transmitter based on a certain transmit power has a transmission distance via a LOS path that is generally less than or equal to the transmission distance via an NLOS path.
  • the first communication device can determine whether the transmission path of the reference signal is an LOS path or an NLOS path based on the signal attenuation information of the received reference signal.
  • the terminal device can determine the signal attenuation information through a variety of parameters, such as one or more of the signal transmission parameters configured in the network device, the ephemeris information of the satellite base station, atmospheric transmission compensation information, and reference point information.
  • Method 3 Signal offset information, such as signal timing offset rate, signal frequency drift rate, etc.
  • the communication signal transmitted by the signal transmitter based on a certain transmit power has a signal drift that is generally less than or equal to the signal drift that is generated when the communication signal is transmitted through a LOS path.
  • the first communication device can determine whether the transmission path of the reference signal is an LOS path or an NLOS path based on the signal drift information corresponding to the received reference signal.
  • the terminal device can determine the signal drift information through a variety of parameters, such as one or more of the following: signal transmission parameters configured by the network device, ephemeris information of the satellite base station, atmospheric transmission compensation information, and reference point information.
  • the first information received by the first communication device in step S501 can be used to indicate the relationship between spatial angle ranges, visibility information, and geographical areas.
  • the first information can include various types of information to indicate this relationship, which will be described below with reference to some implementation examples.
  • the first information includes P first sub-information pieces, each of which indicates a communication quality level.
  • P first sub-information pieces any one of them indicates the communication quality between a network device located within one of the N sub-intervals encompassed by the spatial angle interval and a terminal device located within one of the M sub-intervals encompassed by the geographical region, where N, M, and P are all positive integers.
  • the first information received by the first communication device may include P first sub-information pieces, each indicating a communication quality level, enabling the first communication device to determine the P communication qualities through this first information.
  • the P first sub-information messages can be carried on other messages/signaling/information that are different from the first information.
  • the P first sub-information pieces are used to indicate the P communication quality, which can be understood as a one-to-one correspondence between the P first sub-information pieces and the P communication quality, or that the p-th first sub-information piece among the P first sub-information pieces is used to indicate the p-th communication quality among the P communication quality, where p is from 1 to P.
  • the first information may also include at least one of the following information A to information E.
  • the first communication device can also obtain more information through at least one of the above methods, which can help the first communication device quickly identify one or more network devices communicating with the first terminal device.
  • At least one of the above information A to information E may be carried in other messages/signaling/information different from the first information.
  • At least one of the above information A through information E may be pre-configured.
  • the spatial regions corresponding to the P first sub-informations contained in the first information can be pre-configured, such as the spatial region where the satellite base station that sends the first information is located.
  • the geographical regions corresponding to the P first sub-information contained in the first information can be pre-configured, such as the spatial region where the terminal device receiving the first information is located.
  • the P first sub-informations contained in the first information can implicitly indicate the confidence level of each first sub-information in a sequential order.
  • the start time of the P first sub-information contained in the first information being valid information can be the time when the terminal device receives the first information, and the duration of the P first sub-information being valid information can be pre-configured.
  • the difference between the communication quality indicated by the P first sub-informations contained in the first information and the communication quality of the pre-configured reference point is below a threshold.
  • the first information can indicate the relationship between spatial angle ranges, visibility information, and geographical regions in various ways, such as tables, formulas, and different field meanings. The following will take the first information indicating this relationship in the form of a table as an example for explanation.
  • the first piece of information indicates the relationship between spatial angle ranges, visibility information, and geographical regions.
  • the first column is the preceding information A
  • the second column is the preceding "P first sub-information items”
  • the third column is information C.
  • the first column corresponds to "Spatial Angle Range,” the second column to “Visibility Information,” and the third column to "Geographic Region.”
  • Information from different columns within the same row indicates a relationship between the information in those columns.
  • the visibility information in the second column is explained using visibility as an example (e.g., a value of "1" indicates visibility, and a value of "0” indicates invisibility).
  • the first row indicates that the visibility information between a network device located in "Spatial Region #1" and a terminal device located in “Geographic Region #1” is “Visible (value 1),” indicating high communication quality.
  • the second row indicates that the visibility information between a network device located in "Spatial Region #2” and a terminal device located in “Geographic Region #1” is "Invisible (value 0),” indicating low communication quality.
  • the descriptions of the spatial angle intervals in Table 4 can be discretized into different intervals, as shown in Table 5.
  • the azimuth and zenith angles can be determined using the east-north-up (ENU) coordinate system, which can also be called the station center coordinate system.
  • ENU east-north-up
  • a rectangular coordinate system can be formed with the location of the terminal device as the station center (i.e., the origin O of the coordinate system), the z-axis coinciding with the normal to the ellipsoid (positive, i.e., celestial direction); the y-axis coinciding with the minor semi-axis of the ellipsoid (i.e., north direction); and the x-axis coinciding with the major semi-axis of the Earth ellipsoid (i.e., east direction).
  • the zenith angle can be the angle between the connection line and the z-axis
  • the azimuth angle can be the angle between the projection of the connection line onto the ground and the x-axis (or y-axis).
  • coordinate parameters of a spatial region can be configured in a geocentric coordinate system with the Earth's center as the center.
  • Another example is configuring the indexes and identifiers corresponding to the aforementioned azimuth, zenith angles, and coordinate parameters.
  • Yet another example is configuring a specific geographic region (e.g., this geographic region can be configured using wave position, region index, region number, etc., as described in the previous terminology introduction), and then configuring the spatial range at a certain altitude above that geographic region as the spatial region represented by the spatial angle interval.
  • the descriptions of the geographical regions in Table 4 can be discretized into different intervals, as shown in Table 6.
  • the geographic region in addition to the longitude, latitude, and altitude intervals shown in Table 6, other information can be used to configure the geographic region.
  • the geographic region is circular, the coordinates of a configured reference point can be used as the center, and the configured length value can be used as the diameter or radius of the circle.
  • the geographic region if the geographic region is rectangular, the coordinates of the four vertices of the rectangle can be configured.
  • the geographic region can also be a regular shape such as a hexagon, pentagon, or ellipse, or an irregular shape, and the coordinates of the outline of the regular or irregular shape can be configured.
  • the geographic region can be configured using wave position, region index, region number, etc., as described in the previous terminology introduction.
  • the six scenarios shown in Figure 5 indicate the visibility descriptions corresponding to different altitudes within the same circular area.
  • the description of the "altitude interval" shown in Table 6 can also be expressed in the form ">x (x is a real number) m.
  • the visibility information in Table 4 is implemented in other forms.
  • the visibility information is illustrated by the example of "whether it is LOS" (for example, a value of "1" indicates LOS, and a value of "0" indicates NLOS).
  • the first row of information in Table 7 indicates that the visibility information between the network device located in "Spatial Region #1” and the terminal device located in “Geographic Region #1” is "LOS (value is 1)", which indicates a high communication quality.
  • the second row indicates that the visibility information between the network device located in "Spatial Region #2” and the terminal device located in “Geographic Region #1” is "NLOS (value is 0)", which indicates a low communication quality.
  • Table 4 may also include the information C described above, as shown in the last column of Table 8 below.
  • the first row of Table 8 indicates that the visibility information between the network device located in "Spatial Region #1” and the terminal device located in “Geographic Region #1” is “visible (value 1)", and the confidence level of this visibility information is 1, indicating that the confidence level of this visibility information is high.
  • the third row of Table 8 indicates that the visibility information between the network device located in "Spatial Region #3" and the terminal device located in “Geographic Region #1” is “visible (value 1)", and the confidence level of this visibility information is 0, indicating that the confidence level of this visibility information is low.
  • Table 4 may also include the information D described above, as shown in the last column of Table 9 below.
  • the first row of Table 9 indicates that the visibility information between a network device located in "Spatial Region #1" and a terminal device located in "Geographic Region #1” is valid for "1 day,” meaning that the visibility information will expire after 1 day.
  • the fourth row of Table 9 indicates that the visibility information between a network device located in "Spatial Region #1” and a terminal device located in "Geographic Region #2” is valid for "1 year,” meaning that the visibility information will expire after 1 year.
  • Table 4 may also include the information D described above, as shown in the last two columns of Table 10 below.
  • the information in the third row of Table 10 indicates that the visibility information between the network device located in "Spatial Region #3" and the terminal device located in "Geographic Region #1” is "NLOS (value is 2)", and that during communication in the frequency domain resources corresponding to [1GHz ⁇ 3GHz], the additional loss of the terminal device compared to the terminal device located at the reference point is 10dB.
  • the fourth row of Table 10 indicates that the visibility information between the network device located in "Spatial Region #4" and the terminal device located in "Geographic Region #2” is "NLOS (value is 2)". Furthermore, during communication in the frequency domain resources corresponding to 6 GHz and above, the additional loss of this terminal device compared to the terminal device located at the reference point is 20 dB.
  • the P communication quality metrics include a first communication quality and a second communication quality.
  • the first communication quality indicates the communication quality between a network device in the P1th sub-interval of the N sub-intervals and a terminal device located within the second sub-interval.
  • the second communication quality indicates the communication quality between a network device in the P2th sub-interval of the N sub-intervals and a terminal device located within the second sub-interval.
  • P1 and P2 are both positive integers less than or equal to N, and P1 is not equal to P2 .
  • the P1th sub-interval is divided based on a first spatial partitioning granularity
  • the P2th sub -interval is divided based on a second spatial partitioning granularity.
  • the first spatial partitioning granularity is greater than the second spatial partitioning granularity, and the priority of the first communication quality is lower than the priority of the second communication quality.
  • different spatial division granularities may correspond to different visibility information.
  • the visibility information corresponding to finer spatial division granularities is more accurate. Therefore, the priority of the first communication quality is lower than that of the second communication quality, so that the first communication device can determine one or more network devices communicating with the first terminal device based on the visibility information with higher priority (e.g., higher accuracy).
  • the spatial regions indicated by the P1 subinterval and the P2 subinterval may partially or completely overlap.
  • the first sub-region and the second sub-region can be the same sub-region or different sub-regions.
  • the X fourth sub-information pieces can each indicate the confidence level of the X first sub-information pieces among the P first sub-information pieces.
  • the confidence level indicated by the fourth sub-information piece may be determined by one or more factors.
  • the one or more factors may include the aforementioned spatial partitioning granularity (e.g., a higher priority may indicate a higher confidence level); or the one or more factors may include the confidence level of the core network equipment or server configuration; or the one or more factors may include the number of terminal devices reporting the same visibility information.
  • This application embodiment provides a communication device 600, which can realize the functions of the second communication device or the first communication device in the above method embodiments, and thus can also achieve the beneficial effects of the above method embodiments.
  • the communication device 600 can be the first communication device (or the second communication device), or it can be an integrated circuit or component inside the first communication device (or the second communication device), such as a chip.
  • the transceiver unit 602 may include a transmitting unit and a receiving unit, which are used to perform transmitting and receiving respectively.
  • the device 600 when the device 600 is used to execute the method performed by the first communication device in the foregoing embodiments, the device 600 includes at least a processing unit 601; the processing unit 601 is used to determine first information, which is used to indicate the relationship between spatial angle intervals, visibility information, and geographical areas; the visibility information is used to indicate the communication quality between network devices located within the spatial angle intervals and terminal devices located within the geographical areas; the processing unit 601 is also used to determine one or more network devices communicating with the first terminal device based on the first information, the first terminal device being located within the geographical areas.
  • first information which is used to indicate the relationship between spatial angle intervals, visibility information, and geographical areas
  • the visibility information is used to indicate the communication quality between network devices located within the spatial angle intervals and terminal devices located within the geographical areas
  • the processing unit 601 is also used to determine one or more network devices communicating with the first terminal device based on the first information, the first terminal device being located within the geographical areas.
  • the device 600 when the device 600 is used to execute the method performed by the second communication device in the foregoing embodiments, the device 600 includes a processing unit 601 and a transceiver unit 602; the processing unit 601 is used to determine first information; wherein the first information is used to indicate the relationship between spatial angle intervals, visibility information, and geographical areas; the visibility information is used to indicate the communication quality between network devices located within the spatial angle intervals and terminal devices located within the geographical areas; the transceiver unit 602 is used to send the first information.
  • the communication device 700 includes a logic circuit 701 and an input/output interface 702.
  • the communication device 700 can be a chip or an integrated circuit.
  • the transceiver unit 602 can be a communication interface, which can be the input/output interface 702 in Figure 7, and the input/output interface 702 can include an input interface and an output interface.
  • the communication interface can also be a transceiver circuit, which can include an input interface circuit and an output interface circuit.
  • the logic circuit 701 determines first information, which is used to indicate the relationship between spatial angle range, visibility information, and geographical area; the visibility information is used to indicate the communication quality between network devices located within the spatial angle range and terminal devices located within the geographical area; the logic circuit 701 is also used to determine one or more network devices communicating with the first terminal device based on the first information, the first terminal device being located within the geographical area.
  • the logic circuit 701 is used to determine first information; wherein the first information is used to indicate the relationship between spatial angle range, visibility information, and geographical area; the visibility information is used to indicate the communication quality between network devices located within the spatial angle range and terminal devices located within the geographical area; and the input/output interface 702 is used to send the first information.
  • the logic circuit 701 and the input/output interface 702 can also perform other steps performed by the first or second communication device in any embodiment and achieve corresponding beneficial effects, which will not be elaborated here.
  • the processing unit 601 shown in FIG6 can be the logic circuit 701 in FIG7.
  • the logic circuit 701 can be a processing device, the functions of which can be partially or entirely implemented in software.
  • the processing apparatus 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 the corresponding processing and/or steps in any of the method embodiments.
  • the processing device may consist of only a processor.
  • a memory for storing computer programs is located outside the processing device, and the processor is connected to the memory via circuitry/wires to read and execute the computer programs stored in the memory.
  • the memory and processor may be integrated together or physically independent of each other.
  • 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 processors (DSPs), microcontroller units (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 processors
  • MCUs microcontroller units
  • PLDs programmable logic devices
  • Figure 8 shows the communication device 800 involved in the above embodiments provided in the embodiments of this application.
  • the communication device 800 can be the communication device as a terminal device in the above embodiments.
  • the communication device shown in Figure 8 is implemented through a terminal device (or a component in the terminal device).
  • the present invention is a possible logical structure diagram of the communication device 800, which may include, but is not limited to, at least one processor 801 and a communication port 802.
  • the transceiver unit 602 can be a communication interface, which can be the communication port 802 in Figure 8.
  • the communication port 802 can include an input interface and an output interface.
  • the communication port 802 can also be a transceiver circuit, which can include an input interface circuit and an output interface circuit.
  • the device may also include at least one of a memory 803 and a bus 804.
  • the at least one processor 801 is used to control the operation of the communication device 800.
  • the processor 801 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 devices, transistor logic devices, hardware components, 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, etc.
  • the communication device 800 shown in Figure 8 can be used to implement the steps implemented by the terminal device in the aforementioned method embodiments and achieve the corresponding technical effects of the terminal device.
  • the specific implementation of the communication device shown in Figure 8 can be referred to the description in the aforementioned method embodiments, and will not be repeated here.
  • Figure 9 is a schematic diagram of the structure of the communication device 900 involved in the above embodiments provided in the embodiments of this application.
  • the communication device 900 can be a communication device as a network device in the above embodiments.
  • the communication device shown in Figure 9 is implemented through a network device (or a component in a network device).
  • the structure of the communication device can refer to the structure shown in Figure 9.
  • the communication device 900 includes at least one processor 911 and at least one network interface 914.
  • the communication device further includes at least one memory 912, at least one transceiver 913, and one or more antennas 915.
  • the processor 911, memory 912, transceiver 913, and network interface 914 are connected, for example, via a bus. In this embodiment, the connection may include various interfaces, transmission lines, or buses, etc., and this embodiment is not limited thereto.
  • the antenna 915 is connected to the transceiver 913.
  • the network interface 914 enables the communication device to communicate with other communication devices through a communication link.
  • the network interface 914 may include a network interface between the communication device and core network equipment, such as an S1 interface, or a network interface between the communication device and other communication devices (e.g., other network devices or core network equipment), such as an X2 or Xn interface.
  • core network equipment such as an S1 interface
  • other communication devices e.g., other network devices or core network equipment
  • the transceiver unit 602 can be a communication interface, which can be the network interface 914 in Figure 9.
  • the network interface 914 can include an input interface and an output interface.
  • the network interface 914 can also be a transceiver circuit, which can include an input interface circuit and an output interface circuit.
  • the processor 911 is primarily used to process communication protocols and communication data, control the entire communication device, execute software programs, and process data from these programs, for example, to support the actions described in the embodiments of the communication device.
  • the communication device may include a baseband processor and a central processing unit (CPU).
  • the baseband processor is primarily used to process communication protocols and communication data, while the CPU is primarily used to control the entire terminal device, execute software programs, and process data from these programs.
  • the processor 911 in Figure 9 can integrate the functions of both a baseband processor and a CPU. Those skilled in the art will understand that the baseband processor and CPU can also be independent processors interconnected via technologies such as buses.
  • a terminal device may include multiple baseband processors to adapt to different network standards, and multiple CPUs to enhance its processing capabilities.
  • the various components of the terminal device can be connected via various buses.
  • the baseband processor can also be described as a baseband processing circuit or a baseband processing chip.
  • the CPU can also be described as a central processing circuit or a central processing chip.
  • the function of processing communication protocols and communication data can be built into the processor or stored in memory as a software program, which is then executed by the processor to implement the baseband processing function.
  • the memory is primarily used to store software programs and data.
  • the memory 912 can exist independently or be connected to the processor 911.
  • the memory 912 can be integrated with the processor 911, for example, integrated into a single chip.
  • the memory 912 can store program code that executes the technical solutions of the embodiments of this application, and its execution is controlled by the processor 911.
  • the various types of computer program code being executed can also be considered as drivers for the processor 911.
  • Figure 9 shows only one memory and one processor. In actual terminal devices, there may be multiple processors and multiple memories. Memory can also be called storage medium or storage device, etc. Memory can be a storage element on the same chip as the processor, i.e., an on-chip storage element, or it can be a separate storage element; this application does not limit this.
  • Transceiver 913 can be used to support the reception or transmission of radio frequency (RF) signals between a communication device and a terminal.
  • Transceiver 913 can be connected to antenna 915.
  • Transceiver 913 includes a transmitter Tx and a receiver Rx. Specifically, one or more antennas 915 can receive RF signals.
  • the receiver Rx of transceiver 913 receives the RF signals from the antennas, converts the RF signals into digital baseband signals or digital intermediate frequency (IF) signals, and provides the digital baseband signals or IF signals to processor 911 so that processor 911 can perform further processing on the digital baseband signals or IF signals, such as demodulation and decoding.
  • IF intermediate frequency
  • the transmitter Tx in transceiver 913 is also used to receive modulated digital baseband signals or IF signals from processor 911, convert the modulated digital baseband signals or IF signals into RF signals, and transmit the RF signals through one or more antennas 915.
  • the receiver Rx can selectively perform one or more stages of downmixing and analog-to-digital conversion on the radio frequency signal to obtain a digital baseband signal or a digital intermediate frequency (IF) signal.
  • IF digital intermediate frequency
  • the order of these downmixing and IF conversion processes is adjustable.
  • the transmitter Tx can selectively perform one or more stages of upmixing and digital-to-analog conversion on the modulated digital baseband signal or digital IF signal to obtain a radio frequency signal.
  • the order of these upmixing and IF conversion processes is also adjustable.
  • the digital baseband signal and the digital IF signal can be collectively referred to as digital signals.
  • the transceiver 913 can also be called a transceiver unit, transceiver, transceiver device, etc.
  • the device in the transceiver unit that performs the receiving function can be regarded as the receiving unit
  • the device in the transceiver unit that performs the transmitting function can be regarded as the transmitting unit. That is, the transceiver unit includes a receiving unit and a transmitting unit.
  • the receiving unit can also be called a receiver, input port, receiving circuit, etc.
  • the transmitting unit can be called a transmitter, transmitter, or transmitting circuit, etc.
  • the communication device 900 shown in Figure 9 can be used to implement the steps implemented by the network device in the aforementioned method embodiments and achieve the corresponding technical effects of the network device.
  • the specific implementation of the communication device 900 shown in Figure 9 can be referred to the description in the aforementioned method embodiments, and will not be repeated here.
  • This application also provides a computer-readable storage medium for storing one or more computer-executable instructions.
  • the processor When the computer-executable instructions are executed by a processor, the processor performs the method described in the possible implementations of the first or second communication device in the foregoing embodiments.
  • This application also provides a computer program product (or computer program) that, when executed by a processor, executes the method described above for the possible implementation of the first or second communication device.
  • This application also provides a chip system including at least one processor for supporting a communication device in implementing the functions involved in the possible implementations of the communication device described above.
  • the chip system further includes an interface circuit that provides program instructions and/or data to the at least one processor.
  • the chip system may also include a memory for storing the program instructions and data necessary for the communication device.
  • the chip system may be composed of chips or may include chips and other discrete devices, wherein the communication device may specifically be the first communication device or the second communication device in the aforementioned method embodiments.
  • This application also provides a communication system, the network system architecture of which includes a first communication device and a second communication device in any of the above embodiments.
  • the disclosed systems, apparatuses, and methods can be implemented in other ways.
  • the apparatus embodiments described above are merely illustrative; for instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods.
  • multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed.
  • the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection between apparatuses or units through some interfaces, and may be electrical, mechanical, or other forms.
  • the units described as separate components may or may not be physically separate.
  • 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 the units can be selected to achieve the purpose of this embodiment according to actual needs.
  • the functional units in the various embodiments of this 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 integrated units can be implemented in hardware or as software functional units. If the integrated unit is implemented as 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 this application in essence, or the part that contributes, or all or part of the technical solution, can be embodied in the form of a software product.
  • This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of this application.
  • the aforementioned storage media include: USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, optical disks, and other media that can store program code.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention porte sur un procédé de communication et un appareil associé. Dans le procédé, de premières informations obtenues par un premier appareil de communication peuvent être utilisées pour indiquer des relations d'association entre un intervalle d'angle spatial, des informations de visibilité et une zone géographique, et le premier appareil de communication peut ensuite déterminer, sur la base des premières informations, un ou plusieurs dispositifs de réseau qui communiquent avec un premier équipement terminal, les informations de visibilité étant utilisées pour indiquer la qualité de communication entre un dispositif de réseau situé dans l'intervalle d'angle spatial et un équipement terminal situé dans la zone géographique. De cette manière, le premier appareil de communication peut déterminer (ou sélectionner), sur la base des informations de visibilité, un ou plusieurs dispositifs de réseau qui communiquent avec le premier équipement terminal et ont une qualité de communication supérieure, ce qui permet d'améliorer l'efficacité de communication.
PCT/CN2025/089217 2024-04-23 2025-04-16 Procédé de communication et appareil associé Pending WO2025223273A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202410495246.4 2024-04-23
CN202410495246.4A CN120835350A (zh) 2024-04-23 2024-04-23 一种通信方法及相关装置

Publications (1)

Publication Number Publication Date
WO2025223273A1 true WO2025223273A1 (fr) 2025-10-30

Family

ID=97397514

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2025/089217 Pending WO2025223273A1 (fr) 2024-04-23 2025-04-16 Procédé de communication et appareil associé

Country Status (2)

Country Link
CN (1) CN120835350A (fr)
WO (1) WO2025223273A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112444829A (zh) * 2019-08-29 2021-03-05 华为技术有限公司 Gnss选星方法、装置、芯片、设备及存储介质
CN112444834A (zh) * 2019-08-29 2021-03-05 华为技术有限公司 一种定位方法及电子设备
US20230079636A1 (en) * 2021-09-13 2023-03-16 Qualcomm Incorporated Satellite acquisition assistance for supporting satellite wireless access by a mobile device
CN115996402A (zh) * 2023-02-01 2023-04-21 上海移远通信技术股份有限公司 用于无线通信的方法及装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112444829A (zh) * 2019-08-29 2021-03-05 华为技术有限公司 Gnss选星方法、装置、芯片、设备及存储介质
CN112444834A (zh) * 2019-08-29 2021-03-05 华为技术有限公司 一种定位方法及电子设备
US20230079636A1 (en) * 2021-09-13 2023-03-16 Qualcomm Incorporated Satellite acquisition assistance for supporting satellite wireless access by a mobile device
CN115996402A (zh) * 2023-02-01 2023-04-21 上海移远通信技术股份有限公司 用于无线通信的方法及装置

Also Published As

Publication number Publication date
CN120835350A (zh) 2025-10-24

Similar Documents

Publication Publication Date Title
EP4307767A1 (fr) Procédé, appareil et système de communication sans fil
CN115996402B (zh) 用于无线通信的方法及装置
EP4465675A1 (fr) Procédé et appareil d'envoi de rapport de csi, procédé et appareil de réception de rapport de csi, dispositif et support
WO2024216445A1 (fr) Procédé de positionnement, dispositif terminal et dispositif réseau
WO2023102710A1 (fr) Procédé de communication, dispositif terminal et dispositif de réseau
WO2025223273A1 (fr) Procédé de communication et appareil associé
WO2025223243A1 (fr) Procédé de communication et appareil associé
WO2025241978A1 (fr) Procédé de communication et appareil associé
WO2023102717A1 (fr) Procédés de communication et appareils de communication
WO2025223238A1 (fr) Procédé de communication et appareil associé
WO2023108597A1 (fr) Procédé de communication et appareil de communication
WO2025247092A1 (fr) Procédé de communication et appareil associé
US20240381189A1 (en) Wireless communication method and apparatus
WO2025252136A1 (fr) Procédé de communication et appareil associé
WO2025054751A1 (fr) Procédé de communication et dispositif associé
WO2025059995A1 (fr) Procédé et appareil de communication
WO2025209023A1 (fr) Procédé d'indication de faisceaux et appareil de communication
WO2025200960A9 (fr) Procédé de communication et appareil de communication
WO2025119100A1 (fr) Procédé et appareil de communication
WO2025065652A1 (fr) Procédé et appareil de communication
WO2024125370A1 (fr) Procédé et appareil de communication
WO2025232686A1 (fr) Procédé et appareil de positionnement
WO2025082213A1 (fr) Procédé de communication, appareil de communication et système de communication
WO2025167425A1 (fr) Procédé de communication et appareil de communication
WO2025156964A1 (fr) Procédé et appareil de communication

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 25793469

Country of ref document: EP

Kind code of ref document: A1