WO2021026708A1 - Procédé destiné à rapporter une capacité de liaison latérale, dispositif terminal et dispositif de réseau - Google Patents

Procédé destiné à rapporter une capacité de liaison latérale, dispositif terminal et dispositif de réseau Download PDF

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Publication number
WO2021026708A1
WO2021026708A1 PCT/CN2019/100100 CN2019100100W WO2021026708A1 WO 2021026708 A1 WO2021026708 A1 WO 2021026708A1 CN 2019100100 W CN2019100100 W CN 2019100100W WO 2021026708 A1 WO2021026708 A1 WO 2021026708A1
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WIPO (PCT)
Prior art keywords
terminal device
communication
index
frequency band
information
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PCT/CN2019/100100
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English (en)
Chinese (zh)
Inventor
卢前溪
赵振山
林晖闵
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Oppo广东移动通信有限公司
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Priority to CN201980093901.0A priority Critical patent/CN113557758B/zh
Priority to PCT/CN2019/100100 priority patent/WO2021026708A1/fr
Publication of WO2021026708A1 publication Critical patent/WO2021026708A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • This application relates to the field of communications, and in particular to a method for reporting capabilities, terminal equipment and network equipment for sidelinks.
  • the Internet of Vehicles system uses a device-to-device (D2D)-based Sidelink (SL) transmission technology, which communicates with the traditional Long Term Evolution (LTE) system through the base station.
  • D2D device-to-device
  • SL Sidelink
  • LTE Long Term Evolution
  • the way of receiving or sending is different.
  • the Internet of Vehicles system adopts the direct communication method from terminal device to terminal device, so it has higher spectrum efficiency and lower transmission delay.
  • the network device After the terminal device is connected to the network, the network device needs to schedule the terminal device.
  • the capabilities supported by different terminal devices may be different.
  • a network device schedules a terminal device it needs to know the capabilities supported by the terminal device, and then perform reasonable scheduling on the terminal device according to the capabilities supported by the terminal device. Therefore, it is very important for the terminal device to report its supported capabilities to the network device.
  • the embodiment of the present application provides a method, terminal device, and network device for reporting the capability of a side link, which can realize the reporting of the capability of the terminal device in the car networking system with lower signaling overhead.
  • a method for reporting capacity of a side link comprising: a first terminal device reports at least one first index to a first network device, and the at least one first index is used for Identify the first sideline communication capability supported by the first terminal device.
  • a method for sidelink capability reporting comprising: the first terminal device receives at least one third index sent by the second terminal device, and the at least one third index The index is used to identify the second side line communication capability of the communication between the second terminal device and the first terminal device.
  • a method for reporting the capability of a side link includes: a second terminal device sends at least one third index to a first terminal device, and the at least one third index is used for Identify the second side-line communication capability of the communication between the second terminal device and the first terminal device.
  • a method for sidelink capability reporting comprising: a first network device receives at least one first index reported by a first terminal device, and the at least one first index uses To identify the first sideline communication capability supported by the first terminal device.
  • a terminal device which is used to execute the method in the first aspect or its implementation manners.
  • the terminal device includes a functional module for executing the method in the foregoing first aspect or each implementation manner thereof.
  • a terminal device which is used to execute the method in the second aspect or its implementation manners.
  • the network device includes a functional module for executing the method in the foregoing second aspect or each implementation manner thereof.
  • a terminal device which is used to execute the method in the third aspect or its implementation manners.
  • the network device includes a functional module for executing the method in the third aspect or its implementation manners.
  • a network device configured to execute the method in the fourth aspect or its implementation manners.
  • the network device includes a functional module for executing the method in the foregoing fourth aspect or each implementation manner thereof.
  • a terminal device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the method in the above-mentioned first aspect or each of its implementation modes.
  • a terminal device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the method in the above-mentioned second aspect or each of its implementation modes.
  • a terminal device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory, and execute the method in the third aspect or its implementation manners.
  • a network device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the method in the fourth aspect or its implementation manners.
  • a device for implementing any one of the foregoing first to fourth aspects or the method in each implementation manner thereof.
  • the device includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the device executes any one of the above-mentioned first aspect to the fourth aspect or any of the implementation modes thereof method.
  • the device is a chip.
  • a computer-readable storage medium for storing a computer program that enables a computer to execute any one of the above-mentioned first to fourth aspects or the method in each implementation manner thereof.
  • a computer program product which includes computer program instructions that cause a computer to execute any one of the above-mentioned first to fourth aspects or the method in each implementation manner thereof.
  • a computer program which when run on a computer, causes the computer to execute any one of the above-mentioned first to fourth aspects or the method in each of its implementation modes.
  • the terminal device when the terminal device needs to report the sideline communication capability it supports to the network device, the terminal device can report the index corresponding to the sideline communication capability to the network device, instead of reporting the specific sideline communication ability. Since the signaling overhead occupied by the reporting index is smaller than the signaling overhead occupied by the reporting side traffic capacity, the reporting of the terminal device capabilities in the car networking system can be achieved with lower signaling overhead.
  • Fig. 1 is an application scenario diagram of a side link according to an embodiment of the present application.
  • Fig. 2 is another application scenario diagram of a side link according to an embodiment of the present application.
  • FIG. 3 is a schematic flowchart of a method for reporting capability of a side link according to an embodiment of the present application.
  • FIG. 4 is a flow chart showing the specific implementation of the method for reporting the capability of the side link according to the embodiment of the present application.
  • FIG. 5 is a schematic diagram of another method for reporting the capability of a side link according to an embodiment of the present application.
  • Fig. 6 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • Fig. 7 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • Fig. 8 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • Fig. 9 is a schematic block diagram of a network device according to an embodiment of the present application.
  • Fig. 10 is a schematic block diagram of a communication device according to an embodiment of the present application.
  • Fig. 11 is a schematic block diagram of a device according to an embodiment of the present application.
  • Fig. 12 is a schematic block diagram of a communication system according to an embodiment of the present application.
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GSM Global System of Mobile Communication
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the embodiments of the present application describe various embodiments in conjunction with network equipment.
  • the network device can provide communication coverage for a specific geographic area, and can communicate with terminal devices located in the coverage area.
  • the network equipment may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, a base station (NodeB, NB) in a WCDMA system, or an evolved base station (Evolutional Base Station) in the LTE system.
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • Evolutional Base Station evolved base station
  • Node B eNB or eNodeB
  • the base station gNB in the New Radio (NR) system
  • the network equipment can For mobile switching centers, relay stations, access points, in-vehicle devices, wearable devices, hubs, switches, bridges, routers, network side devices in 5G networks, or future evolution of public land mobile networks (Public Land Mobile Network, PLMN) Network equipment, etc.
  • PLMN Public Land Mobile Network
  • Terminal equipment includes, but is not limited to, connection via wired lines, such as via Public Switched Telephone Networks (PSTN), Digital Subscriber Line (DSL), digital cable, direct cable connection; and/or another data Connection/network; and/or via wireless interfaces, such as for cellular networks, Wireless Local Area Network (WLAN), digital TV networks such as DVB-H networks, satellite networks, AM-FM broadcast transmitters; and/ Or another terminal device that is set to receive/send communication signals; and/or Internet of Things (IoT) equipment.
  • a terminal device set to communicate through a wireless interface may be referred to as a "wireless communication terminal", a "wireless terminal” or a "mobile terminal".
  • Examples of mobile terminals include, but are not limited to, satellites or cellular phones; Personal Communications System (PCS) terminals that can combine cellular radio phones with data processing, fax, and data communication capabilities; can include radio phones, pagers, Internet/intranet PDA with internet access, web browser, memo pad, calendar, and/or Global Positioning System (GPS) receiver; and conventional laptop and/or palmtop receivers or others including radio phone transceivers Electronic device.
  • Terminal equipment can refer to access terminals, user equipment (UE), user units, user stations, mobile stations, mobile stations, remote stations, remote terminals, mobile equipment, user terminals, terminals, wireless communication equipment, user agents, or User device.
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in 5G networks, or terminal devices in the future evolution of PLMN, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • Figures 1 and 2 are schematic diagrams of an application scenario of an embodiment of the present application.
  • Figure 1 exemplarily shows a network device and two terminal devices.
  • the communication system may include multiple network devices and the coverage of each network device may include other numbers of terminal devices.
  • This application is implemented The example does not limit this.
  • the terminal device 20 and the terminal device 30 can communicate in a D2D communication mode.
  • the terminal device 20 and the terminal device 30 communicate directly through the D2D link, namely SL, as shown in FIG. 1 or FIG. 2, for example.
  • the terminal device 20 and the terminal device 30 communicate through a side link, and the transmission resources are allocated by the network device.
  • the terminal device 20 and the terminal device 30 communicate via a side link, and the transmission resources are independently selected by the terminal device, and no network device is required to allocate transmission resources.
  • the scenario shown in FIG. 1 may be used in a vehicle to vehicle (V2V) scenario, and the mode shown in FIG. 1 may be referred to as mode 3, where the transmission resources of the vehicle terminal are allocated by the base station.
  • the vehicle-mounted terminal can send data on the side link according to the resources allocated by the base station.
  • the base station may allocate resources for a single transmission to the terminal, or may allocate resources for semi-static transmission to the terminal.
  • the scenario shown in FIG. 2 may be used in a V2V scenario, and the mode shown in FIG. 2 may be referred to as mode 4.
  • the vehicle-mounted terminal adopts a sensing + reservation transmission mode.
  • the vehicle-mounted terminal can obtain a collection of available transmission resources in the resource pool by means of interception, and then can randomly select a resource from the collection for data transmission. Since the services in the Internet of Vehicles system have periodic characteristics, terminal equipment usually adopts semi-static transmission, that is, after the terminal equipment selects a transmission resource, it can continue to use the resource in multiple transmission cycles, thereby reducing resource repetition. Selection and the probability of resource conflicts.
  • the terminal device can carry the information to reserve resources for the next transmission in the control information of this transmission, so that other terminal devices can determine whether this resource is reserved and used by the user by detecting the control information of the user, thereby reducing resources The purpose of the conflict.
  • the D2D communication method can be used for V2V communication or vehicle to other device (Vehicle to Everything, V2X) communication, or enhanced (cellular) vehicle networking (enhanced Vehicle to Everything, eV2X).
  • V2X communication X can generally refer to any device with wireless receiving and sending capabilities, such as but not limited to slow-moving wireless devices, fast-moving vehicle-mounted devices, or network control nodes with wireless transmitting and receiving capabilities. It should be understood that the embodiment of the present application is mainly applied to the scenario of V2X communication, but may also be applied to any other D2D communication scenario, which is not limited in the embodiment of the present application.
  • the terminal device usually has various capabilities.
  • the capabilities of the terminal device may include, for example, baseband capability, radio frequency capability, measurement capability, terminal category, resource allocation capability, and support capability for various optional functions. Different terminal devices may have different capabilities.
  • After the terminal device is connected to the network it will send the capability information of the terminal device to the network device, so that the network device can reasonably schedule the terminal device according to the capabilities supported by the terminal device. For example, the network device can allocate appropriate time-frequency resources, power, modulation and coding methods, etc. to the terminal device according to the capabilities supported by the terminal device.
  • the baseband capability of the terminal device may include the capability of the terminal device to support different sub-carrier widths, and the sub-carrier width supported by the terminal device may be, for example, 7.5 kHz, 15 kHz, 30 kHz, or 60 kHz.
  • the transmission parameters corresponding to different subcarrier widths may be different. The wider the subcarrier, the shorter the corresponding symbol time and the lower the delay, which can be applied to scenarios with higher delay requirements; the narrower the subcarrier, the longer the corresponding symbol time and the relatively higher delay.
  • the network equipment can reasonably schedule the terminal equipment according to the sub-carrier width reported by the terminal equipment.
  • a network device when a network device schedules a terminal device, it considers the sub-carrier width supported by the terminal device. When the sub-carrier width of the terminal device is small, the network device can perform scheduling according to the smaller sub-carrier width. When the subcarrier width of the terminal device is large, the network device can schedule the terminal device according to the larger subcarrier width.
  • the network device can also schedule the terminal device according to the uplink and downlink preparation time of the terminal device. For example, when the network device schedules the uplink signal, the time interval for scheduling the uplink signal cannot be less than the uplink preparation time of the terminal device. When the uplink preparation time of the terminal device is small, the network device can schedule the uplink signal at a smaller time interval; when the terminal device has a long uplink preparation time, the network device can schedule the uplink signal at a larger time interval.
  • the radio frequency capability of the terminal device may include the ability of the terminal device to support different frequency band combinations, the number of transmitting antennas of the terminal device, and so on.
  • the network equipment can schedule the terminal equipment according to the radio frequency capability of the terminal equipment.
  • the network device when the network device sends data to the terminal device, it will send data according to the receiving capacity of the two antennas. For example, the network device can transmit data to the terminal device at a lower transmission rate; If the number of antennas of the device is 4, when the network device sends data to the terminal device, it will send data according to the receiving capability of the 4 antennas. For example, the network device can transmit data to the terminal device at a larger transmission rate.
  • a terminal device when a terminal device reports a side link related capability to a network device (for ease of description, the embodiment of the present application is referred to as a side link communication capability), it is reported by a combination of frequency bands.
  • the terminal device can communicate on frequency band combination 1 and frequency band combination 2, and the terminal device can report the sideline communication capabilities of frequency band combination 1 and frequency band combination 2 to the network device respectively.
  • the terminal device reports each repeated side-line communication capability to the network device, this part of information will lead to The signaling overhead occupied by the side-line communication capability is relatively large.
  • the embodiment of the present application proposes a method for reporting the capability of a side link, which can report the capability of a terminal device in a car networking system with a small signaling overhead.
  • the side link is also referred to as side link communication
  • the uplink and downlink are also referred to as cellular communication.
  • FIG. 3 is a schematic flowchart of a method 200 for reporting a capability of a side link according to an embodiment of the present application.
  • the method 200 includes at least part of the following content.
  • the first terminal device reports at least one first index to the first network device, and the at least one first index is used to identify the first sideline communication capability supported by the first terminal device.
  • the first network device receives at least one first index reported by the first terminal device.
  • the side-line communication capabilities may include the radio frequency capabilities, baseband capabilities, measurement capabilities, and discontinuous resource allocation capabilities mentioned above.
  • Version 14 standardizes the Internet of Vehicles technology (V2X), and the main standardization content is single carrier transmission.
  • V2X Vehicles technology
  • eV2X extends to the multi-carrier scenario, that is, a terminal device can transmit and receive on more than one carrier at the same time. Therefore, the side-line communication capabilities of the embodiments of the present application may also include Carrier Aggregation (CA) capabilities.
  • CA Carrier Aggregation
  • side-line communication capabilities can also include communication mode capabilities.
  • the communication mode may be a unicast communication mode, a multicast communication mode or a broadcast communication mode. If the first terminal device supports unicast communication mode capability, the first terminal device can communicate with one terminal device in unicast mode; if the first terminal device supports multicast communication mode capability, the first terminal device can use group Communicate with a group of terminal devices in a broadcast mode; if the first terminal device supports the capability of a broadcast communication mode, the first terminal device can communicate with other terminal devices in a broadcast mode.
  • the first mapping set includes a mapping relationship between at least one sideline capability identifier and at least one sideline communication capability supported by the terminal device
  • the second mapping set includes a combination of at least one sideline capability identifier and at least one index
  • the mapping relationship between the at least one first index and the combination of at least one side line capability identifier for identifying the first side line communication capability has a mapping relationship.
  • the first mapping set represents the capability of the terminal device on a single frequency band and/or single carrier
  • the second mapping set represents the capability of the terminal device on multiple frequency bands. That is, the first mapping set lists the possible The set of sideline communication capabilities of the sideline link for the frequency band and/or carrier.
  • the second mapping set lists the possible combinations of sideline communication capabilities on different frequency band combinations when the first terminal device performs multi-band transmission or reception. set.
  • the first mapping set may also be referred to as a feature set (Feature Sets), and the second mapping set may also be referred to as a feature set (Feature Set Combinations).
  • Feature Sets feature set
  • Feature Set Combinations feature set
  • the first terminal device may report at least one first index to the first network device periodically, for example, report at least one first index to the first network device every 10 ms.
  • the first terminal device reporting at least one first index to the first network device may be triggered by a specific event.
  • a specific event may require a terminal device to report capability information for a network device.
  • the first terminal device may obtain first indication information, where the first indication information is used to instruct the first terminal device to report the first index to the first network device. Side line communication capability.
  • the first indication information may be sent by the first network device, or the first indication information may be obtained by the terminal device through system information.
  • the first indication information may also indicate the capability information that the first terminal device needs to report, that is, the first indication information may indicate that the first network device supports or requires Information about the capabilities. In this way, it can be avoided that at least part of the capabilities reported by the first terminal device is not supported or not required by the first network device, thereby saving signaling overhead.
  • the capability information may include, but is not limited to, at least one of the following: Public Land Mobile Network (PLMN) information, Radio Access Technology (RAT) information, frequency information, and terminal type information.
  • PLMN Public Land Mobile Network
  • RAT Radio Access Technology
  • the frequency information may include information such as frequency band, frequency point, and frequency band range.
  • the first indication information indicates the capability information that the first terminal device needs to report
  • the first indication information may indicate that the capability information that the UE needs to report is for sideline communication.
  • the first indication information indicates LTE side-line communication or NR side-line communication.
  • the first indication information does not indicate whether it is necessary to report capability information for side-line communication.
  • the first terminal device may report the first sideline communication capability and the first cellular communication capability to the first network device based on the first indication information.
  • the first terminal device may report the first cellular communication capability to the first network device based on the capability information, and determine whether to report the first sideline communication capability related to the capability information according to other messages.
  • the other message may be fifth indication information sent by the first network device to the first terminal device, and the fifth indication information is used to instruct the first terminal device to report the sideline communication capability related to the capability information.
  • the other message may be a mapping relationship between the capability information of cellular communication and the capability information of sideline communication.
  • the other message may be preset on the first terminal device according to the protocol, for example, the protocol stipulates that the first terminal device reports the cellular communication capability while reporting the sideline communication capability.
  • the first indication information indicates that the first terminal device reports LTE-related communication capabilities, but does not specify side-line communication.
  • the first terminal device can report LTE-related cellular communication capabilities and LTE-related side-line communication capabilities. Communication ability.
  • the first terminal device may report LTE-related cellular communication capabilities, and then according to the mapping relationship between at least one cellular communication RAT and sideline communication RAT, and according to the cellular communication indicated by the first indication information.
  • the RAT of the communication which determines the RAT of the sideline communication reported to the first network device.
  • the uplink and downlink of LTE correspond to the sideline of LTE and the sideline of NR
  • the first terminal device may also report LTE to the first network device.
  • the side-line communication capability of NR and the side-line communication capability of NR are examples of the side-line communication capability of NR.
  • the method 200 may further include: the first terminal device determines at least one first index according to the first mapping set, the second mapping set, and the supported first side line communication capability.
  • the first terminal device may first determine the side-line capability identifier corresponding to the side-line communication capability on a single frequency band according to the first side-line communication capability and the first mapping set, and then determine the side-line capability identifier corresponding to the side line capability on the single frequency band At least one first index corresponding to the combination of the side row capability identifiers determined by the second mapping set. For example, if the first side-line communication capability is XXY, the first terminal device first determines the side-line capability identifier corresponding to the side-line communication capability X in the first mapping set as a, and the side-line capability identifier corresponding to the side-line communication capability Y is b. Then, the first terminal device determines in the second mapping set that the index corresponding to the combination aab of the side row capability identifier is 1, and the first index reported by the first terminal device to the first network device is 1.
  • the first terminal device reporting at least one first index to the first network device may include: the first terminal device reporting to the first network device at least one first index associated with the at least one sideband frequency band combination.
  • the frequency band combination will be described below. If there are three frequency bands: frequency band A, frequency band B, and frequency band C, the first terminal device can communicate on a single frequency band.
  • the single frequency band is: frequency band A, frequency band B or frequency band C; or, the first terminal device can be in dual frequency bands.
  • the dual frequency bands are: frequency band A + frequency band B, frequency band A + frequency band C, or frequency band B + frequency band C; alternatively, the first terminal device can communicate on three frequency bands, that is, the first terminal device can communicate in frequency band A + frequency band B + frequency band Communicate on C. It can be seen that there are 7 kinds of band combinations, namely: (1) Band A; (2) Band B; (3) Band C; (4) Band A + Band B; (5) Band A + Band C; (6) Band B + Band C; (7) Band A + Band B + Band C.
  • the first terminal device may report the frequency band combination set to the first network device based on the second mapping set.
  • the frequency band combination set may include the frequency band combination targeted by the side-line communication capability of the terminal device during multi-band transmission or reception, and the index corresponding to the different frequency band combination.
  • the index may refer to the index of the second mapping set to indicate Combinations of side-line communication capabilities available on different frequency band combinations.
  • the first terminal device mentioned above reports the first cellular communication capability to the first network device. Specifically, the first terminal device may determine according to the third mapping set, the fourth mapping set, and the supported first cellular communication capability At least one second index. Then, the first terminal device reports at least one second index to the first network device.
  • the third mapping set includes a mapping relationship between at least one cellular capability identifier and at least one cellular communication capability
  • the fourth mapping set includes a mapping relationship between a combination of at least one cellular capability identifier and at least one index, at least one first
  • the at least one index includes at least one second index.
  • the second mapping set may be independent of the fourth mapping set, that is, the second mapping set may be defined separately for sideline communication and separately from the fourth mapping set for cellular communication.
  • the second mapping set may be jointly defined with the fourth mapping set.
  • the total set in which the second mapping set and the fourth mapping set are located can be distinguished between the index in the second mapping set and the index in the fourth mapping set in some specific ways.
  • the total set where the second mapping set and the fourth mapping set are located may include the third information, and the third information may display indicating that a certain index is an index in the second mapping set or an index in the fourth set. index.
  • the third information may indicate that the first N indexes are indexes in the second mapping set, the last N indexes are indexes in the fourth mapping set, and N is a positive integer.
  • the third information may indicate that an even index is an index in the second mapping set, and an odd index is an index in the fourth mapping set.
  • the first terminal device and the first network device may negotiate in advance which indexes are the indexes in the second mapping set or the indexes in the fourth set.
  • the first network device can determine whether the received index is for sideline communication or for cellular communication.
  • the first mapping set and the third mapping set may be in different message elements (Information Element, IE).
  • Information Element IE
  • the first terminal device reporting at least one second index to the first network device may include: the first terminal device reporting at least one second index associated with the at least one cellular frequency band combination to the first network device.
  • the frequency band combination set may include at least one side row frequency band combination and at least one cellular frequency band combination, that is, the frequency band combination set where the cellular frequency band combination is located (for For ease of description, it is called the first frequency band combination set) and the frequency band combination in which the side-line frequency band combination is located (referred to as the second frequency band combination set for convenience of description).
  • the index in the second mapping set and the index in the fourth mapping set can be referenced within one frequency band combination.
  • the frequency band combination set may only include at least one side row frequency band combination, that is, the first frequency band combination set is independent of the second frequency band combination set.
  • the first frequency band combination set may include first information, and the first information may be used to indicate the side row frequency band combination simultaneously supported by each of the at least one cellular frequency band combination.
  • the first information may indicate which cellular frequency band combination can be used with which side-line frequency band combination.
  • the first information can indicate the sideband combination supported by each cellular frequency band combination at the same time, for example, the first information can indicate the number of the sideband combination supported by the cellular frequency band combination in the second frequency band combination set.
  • the second frequency band combination set may include second information, and the second information may be used to indicate the cellular frequency band combination simultaneously supported by each of the at least one side frequency band combination.
  • Inter-RAT inter-RAT
  • LTE and NR can control LTE's PC5 (LTE-based PC5) interface
  • LTE and NR can control NR's PC5 ( NR-based PC5) interface for control.
  • the RAT for side-line communication targeted by the second mapping set and the RAT for cellular traffic targeted by the fourth mapping set may be different.
  • the RAT for side-line communication is NR
  • the RAT for cellular communication is LTE.
  • the RAT for side-line communication targeted by the second mapping set and the RAT for cellular traffic targeted by the fourth mapping set may also be the same, which is not specifically limited in this embodiment of the application.
  • the RAT for cellular communication targeted by the first frequency band combination set and the RAT for sideline communication targeted by the second frequency band combination set may be different or the same.
  • the first terminal device may also report Uu interface information used to control sideline communication to the first network device. That is, the first terminal device can report to the first network device what kind of network control from the Uu interface can be supported by the sideline communication.
  • the Uu interface information may include, but is not limited to, at least one of the following: RAT related information of the Uu interface, cell group related information of the Uu interface, frequency band related information of the Uu interface, cell related information of the Uu interface, and mode of the Uu interface Related information and carrier related information of Uu interface.
  • the first terminal device may report to the first network device whether the Uu interface can control side-line communication. For example, the first terminal device reports to the first network device that the Uu interface cannot control side-line communication, or the Uu interface can control side-line communication.
  • the first terminal device can report to the first network device in what mode the Uu interface can control the side-line communication, for example, the Uu interface can be controlled in mode 1 and/or mode 2. Sideline communication.
  • the first terminal device may report to the first network device which Uu-RAT can control the sideline communication.
  • the first network device may use a Uu interface of LTE and/or NR to control sideline communication.
  • LTE-Uu controls NR-V2X
  • the Uu interface can be configured as LTE-LTE DC
  • NR-Uu controls LTE-V2X Uu interface can be configured as NR-NR DC.
  • the first terminal device may report to the first network device which Uu frequency range can control the side-line communication.
  • the first terminal device may report to the first network device which Uu cell group can control sideline communication.
  • the first network device may use the Uu interface of a primary cell group (Master Cell Group, MCG) and/or a secondary cell group (Secondary Cell Group, SCG) to control sideline communication.
  • MCG Master Cell Group
  • SCG Secondary Cell Group
  • the first terminal device when the first terminal device reports the communication capability to the first network device, for example, the first terminal device reports to the first network device at least the first side link communication capability corresponding to at least A first index, the first terminal device can place the communication capability in any one of the following capability containers: UE-EUTRA-Capability in the LTE capability container, that is, UE-Evolved Universal Radio Access (Evolved Universal Radio Access) Terrestrial Radio Access (E-UTRA)-Capability (Capability), NR Capability Container UE-NR-Capability or Multi-Radio Access Technology Dual Connectivity (MR-DC) Capability Container UE- MRDC-Capability.
  • UE-EUTRA-Capability in the LTE capability container that is, UE-Evolved Universal Radio Access (Evolved Universal Radio Access) Terrestrial Radio Access (E-UTRA)-Capability (Capability), NR Capability Container UE-NR-Capability or Multi-Radio Access Technology Dual Connectivity (MR-DC) Capability Container UE- MRDC-Cap
  • the first terminal device may place the indication of the relevant communication capability in the capability container UE-EUTRA-Capability.
  • each LTE cellular frequency band combination (LTE downlink frequency band and/or uplink frequency band combination) can be associated with one or more NR side band combinations.
  • the first terminal device may place the indication of the relevant communication capability in the capability container UE-NR-Capability.
  • each NR side band combination can be associated with one or more LTE cellular band combinations (LTE downlink band combination and/or uplink band combination) .
  • the first terminal device may place the indication of the relevant communication capability in the capability container UE-MRDC-Capability.
  • LTE-Uu controls NR-V2X
  • the association between the LTE cellular frequency band combination and the NR side band combination can be defined. Since this situation can be used when the side-travel frequency band is combined with more than one RAT, for example, LTE side-travel and NR side-travel, the indication of related communication capabilities is placed in the capability container UE-MRDC-Capability Have greater flexibility.
  • the communication capabilities supported by the first terminal device may be different.
  • the first terminal device supports a unicast communication mode
  • the first terminal device supports a multicast communication mode.
  • the first terminal device reports to the first network device Uu interface information used to control sideline communication, which may be the first terminal
  • the device reports at least one of the following granularities: terminal device, frequency band, frequency band combination, and at least one frequency band or carrier in the frequency band combination.
  • the first terminal device may only need one bit, for example, bit "1" indicates that the Uu interface can be controlled For side-line communication, bit "0" indicates that the Uu interface cannot control side-line communication. If the first terminal device reports Uu interface information for controlling sideline communication to the first network device with the granularity of frequency bands, the number of bits of the Uu interface information reported by the first terminal device may be the same as the number of frequency bands.
  • the first network device may determine the first side line communication according to the first mapping set, the second mapping set, and the at least one first index ability.
  • the first network device may first determine the combination of at least one side row capability identifier corresponding to the at least one first index according to the second mapping set and the at least one first index, and then determine each side row capability according to the first mapping set The side-line communication capability indicated by the identifier, so that the first side-line communication capability can be determined.
  • the first network device determines that the combination of the side row capability identifiers corresponding to index 1 in the second mapping set is aab, and then the first network device The mapping set determines that the side-line capability identifier a corresponds to the side-line communication capability X, and the side-line capability identifier b corresponds to the side-line communication capability Y, and the first network device can determine that the first side-line communication capability is XXY.
  • the method 200 may further include: the first network device obtains the first mapping set and the second mapping set.
  • the first terminal device may report the first mapping set and the second mapping combination to the first network device.
  • the first terminal device may first report the first mapping set to the first network device, and then report the second mapping set to the first network device based on the first mapping set.
  • the first mapping set and the second mapping set are preset on the first network device, so that the first network device can obtain the first mapping set and the second mapping set.
  • the implementation manner for the first network device to determine the first cellular communication capability according to the third mapping set, the fourth mapping set, and at least one second index may refer to the implementation manner for determining the first sideline communication capability by the first network device.
  • the content is concise, no more description here.
  • the first terminal device may determine at least one first index according to only one mapping set (for example, the fifth mapping set).
  • the fifth mapping set includes a mapping relationship between at least one sideline communication capability and at least one index
  • the sideline capability in the fifth mapping set may include sideline communication capability on a single frequency band and sideline communication capability on multiple frequency bands. ability.
  • the first side-line communication capability is XXY
  • the index corresponding to the side-line communication capability XXY is 1, and the first index reported by the next first network device of the first terminal device is 1.
  • the first terminal device may also report the fifth mapping set to the first network device.
  • the first terminal device may determine at least one second index according to the sixth mapping set.
  • the sixth mapping set includes a mapping relationship between at least one cellular communication capability and at least one index
  • the sideline capability in the sixth mapping set may include a cellular communication capability on a single frequency band and a cellular communication capability on multiple frequency bands.
  • the method 200 may further include: after the first terminal device reports at least one first index to the first network device, the first terminal device receives at least one third index sent by the second terminal device, and the at least one third index The index is used to identify the second side line communication capability of the communication between the second terminal device and the first terminal device.
  • the second terminal device may determine the second sideline communication capability according to at least one of the following capabilities:
  • the second cellular communication capability for communication between the second terminal device and the second network device, the sideline communication capability for communication between the second terminal device and other terminal devices except the first terminal device, and the second terminal device can use The lateral communication capability of the second terminal device and the lateral communication capability that the second terminal device needs to report to the first terminal device.
  • the second network device may send the third terminal device to the second terminal device based on the communication capabilities reported by the second terminal device.
  • the third indication information may be used to indicate the second cellular communication configuration.
  • the second terminal device can determine the available sideline communication capability according to the second cellular communication configuration indicated by the third indication information. For example, if the frequency band combination that the first terminal device can use is frequency band combination 1 and frequency band combination 2, and the frequency band combination configured by the second network device for the cellular communication of the second terminal device is frequency band combination 1, then the side of the second terminal device The frequency band combination available for communication is limited, which is frequency band combination 2.
  • the third indication information may be used to indicate the side communication capability or configuration that the second terminal device can use.
  • the third indication information may be, but not limited to, a radio resource control (Radio Resource Control, RRC) connection reconfiguration message.
  • RRC Radio Resource Control
  • the first terminal device may send fourth indication information to the second terminal device, and the fourth indication information may be used to indicate the sideline communication capability that the second terminal device needs to send to the first terminal device, that is, The fourth indication information may be used to indicate the communication capability from the second terminal device that the first terminal device needs or is interested in, for example, the communication capability of a specific RAT or the communication capability of a specific frequency band.
  • the second terminal device may also determine the second side-line communication capability in combination with quality of service (QoS) attribute information, service information, and the like.
  • QoS quality of service
  • the service information may be carrier information, service volume, service type, etc. applicable to the service.
  • the method 200 may further include: the first network device sends first configuration information to the first terminal device, where the first configuration information includes a communication configuration for communication between the first terminal device and the second terminal device.
  • Manner 1 The first network device sends the first configuration information without obtaining the second side-line communication capability.
  • the first configuration information may include at least one candidate value of the first parameter for sideline communication.
  • the first parameter may be configured by the first network device according to the first sideline communication capability. At this time, the first parameter may satisfy the first side-line communication capability of the first terminal device, but may not necessarily satisfy the second side-line communication capability.
  • the first terminal device may determine the use value for the first parameter according to the second sideline communication capability and the at least one candidate value.
  • the first terminal device may determine the first candidate value as the used value for the first parameter.
  • the first terminal device may randomly select a value from the multiple values as the used value of the first parameter.
  • the first configuration information may include the priority of use of multiple candidate values.
  • the first terminal device may determine the use value of the first parameter according to the use priority of the multiple values. For example, the first terminal device may determine the value with the highest priority among the multiple values as the used value of the first parameter.
  • the first terminal device may send second indication information to the first network device, where the second indication information is used to indicate the at least one candidate value Not applicable to the second side line communication capability.
  • the first terminal device may reestablish the connection with the first network device.
  • the first terminal device may determine the candidate value for the first parameter as the use value.
  • the candidate value of the first parameter may be the default value of the first parameter given in the protocol.
  • the first configuration information may also include multiple candidate values that are not suitable for the second side line communication capability, the first terminal device returns to the first network device The value of the return.
  • the first configuration information may include that the first terminal device rolls back multiple candidate values to the first network device, or the first terminal device may roll back half of the candidate values with the lowest priority among the multiple candidate values To the first network device.
  • the first configuration information may also include the ability application conditions of multiple candidate values.
  • the first configuration information may include a value that should be used under what capabilities of the second terminal device.
  • the first configuration information may be included in the case that the second terminal device supports CA, and the first terminal device may determine candidate value 1 as the use of the first parameter Value; in the case that the second terminal device does not support CA, the first terminal device may determine the candidate value 2 as the used value of the first parameter.
  • the one candidate value may be a value that supports the most basic communication capability.
  • Manner 2 The first network device sends the first configuration information when the first terminal device reports the second sideline communication capability.
  • the first network device may send the first configuration information to the first network device for the second sideline communication capability.
  • the first terminal device may use the side link information to report the second side link communication capability to the first network device.
  • the first terminal device After the first terminal device obtains the side-line communication configuration for communication with the second terminal device, it can send second configuration information to the second terminal device.
  • the second configuration information includes the difference between the first terminal device and the second terminal device. Side-line communication configuration for communication between.
  • the first terminal device may also send to the second terminal device the sideline communication capability used for communication between the first terminal device and the second terminal device, and then the second network device may send The second terminal device sends the side-line communication configuration for communication between the first terminal device and the second terminal device.
  • the second terminal device sends the side-line communication configuration for communication between the first terminal device and the second terminal device.
  • the first network device (NW1) sends first indication information to the first terminal device (UE1), where the first indication information is used to instruct the UE1 to report the first sideline communication capability to the NW1.
  • S312 UE1 reports at least one first index to NW1 based on the first indication information.
  • S321 The second network device (NW2) sends capability acquisition information to the second terminal device (UE2), where the capability acquisition information is used to instruct UE2 to report the sideline communication capabilities supported by UE2 to NW2.
  • the UE2 Based on the capability acquisition information, the UE2 reports the index corresponding to the supported sideline communication capability to the NW2.
  • NW2 sends third indication information to UE2, indicating the second cellular communication configuration used by UE2 for cellular communication.
  • S332 UE1 sends fourth indication information to UE2, indicating the sideline communication capability from UE2 required by UE1.
  • UE2 determines the second side-line communication capability of UE1-UE2 communication that needs to be sent to UE1 according to the second cellular communication capability and the side-line communication capability from UE2 required by UE1.
  • UE2 sends at least one third index for identifying the second side line communication capability to UE1.
  • the NW1 sends first configuration information to UE1 based on the second side-line communication capability, where the first configuration information includes the side-line communication configuration for communication between UE1 and UE1.
  • S353 UE1 obtains a side-line communication configuration for communication with UE2.
  • S360 UE1 sends second configuration information to UE1, where the second configuration information includes side communication configuration for communication between UE1 and UE1.
  • the reporting of communication capabilities in the embodiments of the present application refers to the index corresponding to the reported communication capability.
  • the terminal device when the terminal device needs to report the sideline communication capability it supports to the network device, the terminal device can report the index corresponding to the sideline communication capability to the network device without reporting the specific sideline Communication ability. Since the signaling overhead occupied by the reporting index is smaller than the signaling overhead occupied by the reporting side traffic capacity, the reporting of the terminal device capabilities in the car networking system can be achieved with lower signaling overhead.
  • the embodiment of the present application further includes another method 400 for reporting the capability of a side link.
  • the method 400 may include at least part of the following content.
  • the second terminal device sends at least one third index to the first terminal device, where the at least one third index is used to identify the second sideline communication capability of the communication between the second terminal device and the first terminal device.
  • the first terminal device receives at least one third index sent by the second terminal device.
  • the method 400 may further include: the first terminal device receives first configuration information sent by the first network device, and the first configuration information includes communication between the first terminal device and the second terminal device. The side communication configuration of the communication.
  • the first configuration information includes at least one candidate value for the first parameter.
  • the method 400 further includes: the first terminal device determines a use value for the first parameter according to the second sideline communication capability and the at least one candidate value.
  • the first terminal device determines the use value for the first parameter according to the second sideline communication capability and at least one candidate value, including: if the first candidate value of the at least one candidate value Applicable to the second side line communication capability, the first terminal device determines the first candidate value as the used value for the first parameter.
  • the method further includes: the first terminal device sends second indication information to the first network device, and the second indication information is used To indicate that at least one candidate value is not applicable to the second side line communication capability; or
  • the first terminal device reestablishes the connection with the first network device.
  • the first terminal device determines the use value for the first parameter according to the second side line communication capability and at least one candidate value, including: if at least one candidate value is not applicable to the second side Communication capability, the first terminal device determines the default value of the first parameter as the used value.
  • the method 400 may further include: the second terminal device determines the second sideline communication capability according to at least one of the following capabilities:
  • the second cellular communication capability or second cellular communication configuration for communication between the second terminal device and the second network device, the sideline communication capability for communication between the second terminal device and other terminal devices except the first terminal device, The side-line communication capability or side-line communication configuration that the second terminal device can use, and the side-line communication capability that the second terminal device needs to report to the first terminal device.
  • the method 400 may further include: the second terminal device receives third indication information sent by the second network device, where the third indication information is used to indicate the second cellular communication configuration.
  • the method 400 may further include: the second terminal device receives third indication information sent by the second network device, the third indication information is used to indicate the sideline communication that the second terminal device can use Capability or side-line communication configuration.
  • the method 400 may further include: the second terminal device receives fourth instruction information sent by the first terminal device, where the fourth instruction information is used to indicate that the second terminal device needs to send a message to the first terminal device.
  • the reported side-line communication capability may further include: the second terminal device receives fourth instruction information sent by the first terminal device, where the fourth instruction information is used to indicate that the second terminal device needs to send a message to the first terminal device. The reported side-line communication capability.
  • the method 400 may further include: the second terminal device receives second configuration information sent by the first terminal device, and the second information includes communication between the first terminal device and the second terminal device Side line communication configuration.
  • the size of the sequence number of the foregoing processes does not mean the order of execution.
  • the execution order of each process should be determined by its function and internal logic, and should not be implemented in this application.
  • the implementation process of the example constitutes any limitation.
  • FIG. 6 shows a schematic block diagram of a terminal device 500 according to an embodiment of the present application.
  • the terminal device 500 includes:
  • the communication unit 510 is configured to report at least one first index to the first network device, and the at least one first index is used to identify the first sideline communication capability supported by the terminal device 500.
  • the communication unit 510 is further configured to: report a first mapping set and a second mapping set to the first network device;
  • the first mapping set includes a mapping relationship between at least one side-line capability identifier and at least one side-line communication capability supported by the terminal device
  • the second mapping set includes a combination of at least one side-line capability identifier A mapping relationship with at least one index, the at least one index includes the at least one first index.
  • the communication unit 510 is specifically configured to report the at least one first index associated with at least one sideband frequency band combination to the first network device.
  • the communication unit 510 is further configured to report Uu interface information used to control side-line communication to the first network device.
  • the Uu interface information includes at least one of the following: radio access technology RAT information of the Uu interface, cell group information of the Uu interface, frequency band information of the Uu interface, and information about the Uu interface Cell information, Uu interface mode information, and Uu interface carrier information.
  • the communication unit 510 is specifically configured to report the Uu interface information to the first network device based on at least one of the following granularities: terminal device, sideband frequency band, and sideband frequency band At least one of the combination and the combination of the side row frequency band.
  • the communication unit 510 is further configured to: receive first indication information sent by the first network device, where the first indication information is used to instruct the terminal device 500 to communicate with The first network device reports the first sideline communication capability.
  • the first indication information is used to indicate the sideline communication capability information that the terminal device 500 needs to report.
  • the capability information includes RAT information for side-line communication, and/or frequency band information for side-line communication.
  • the first indication information is used to indicate the RAT information that the terminal device 500 needs to report.
  • the terminal device 500 further includes: a processing unit 520, configured to determine the side that reports to the first network device according to the RAT of cellular communication indicated by the first indication information RAT for line communication.
  • a processing unit 520 configured to determine the side that reports to the first network device according to the RAT of cellular communication indicated by the first indication information RAT for line communication.
  • the processing unit 520 is specifically configured to: according to the association relationship between at least one cellular communication RAT and sideline communication RAT, and according to the cellular communication indicated by the first indication information
  • the RAT of communication is to determine the RAT of sideline communication reported to the first network device.
  • the communication unit 510 is further configured to: report at least one second index to the first network device, and the at least one second index is used to identify that the terminal device 500 supports The first cellular communication capability.
  • the communication unit 510 is further configured to: report a third mapping set and a fourth mapping set to the first network device;
  • the third mapping set includes a mapping relationship between at least one cellular capability identifier and at least one cellular communication capability supported by the terminal device
  • the fourth mapping set includes at least one combination of the cellular capability identifier and at least one
  • the mapping relationship between the indexes, the at least one index includes the at least one second index.
  • the second mapping set is independent of the fourth mapping set
  • the second mapping set includes a mapping relationship between at least one combination of side row capability identifiers supported by the terminal device and at least one index, and the at least one index includes the at least one first index.
  • the second mapping set and the fourth mapping set are jointly defined;
  • the second mapping set includes a mapping relationship between at least one combination of side row capability identifiers supported by the terminal device and at least one index, and the at least one index includes the at least one first index.
  • the RAT for side-line communication targeted by the second mapping set and the RAT for cellular communication targeted by the fourth mapping set are different.
  • the communication unit 510 is specifically configured to report the at least one second index associated with at least one cellular frequency band combination to the first network device.
  • the first frequency band combination set where the at least one cellular frequency band combination is located and the second frequency band combination set where the at least one side-line frequency band combination is located are jointly defined.
  • the first frequency band combination set where the at least one cellular frequency band combination is located is independent of the second frequency band combination set where the at least one side-line frequency band combination is located.
  • the first frequency band combination set includes first information, and the first information is used to indicate the sideband frequency bands simultaneously supported by the cellular frequency band combination in the at least one cellular frequency band combination combination.
  • the second frequency band combination set includes second information, and the second information is used to indicate the cells simultaneously supported by the side line frequency band combination in the at least one side line frequency band combination. Band combination.
  • the RAT for cellular communication targeted by the first frequency band combination set and the RAT for sideline communication targeted by the second frequency band combination set are different.
  • the communication unit 510 is further configured to: receive at least one third index sent by the second terminal device, and the at least one third index is used to identify the connection between the second terminal device and the The second side communication capability of the communication between the terminal devices 500.
  • the communication unit 510 is further configured to report a fifth mapping set to the first network device, where the fifth mapping set includes at least one sideline communication capability and at least one index The mapping relationship between the at least one index includes the at least one first index.
  • the communication unit 510 is further configured to: receive first configuration information sent by the first network device, where the first configuration information includes the terminal device 500 and the first network device. Side-line communication configuration for communication between two terminal devices.
  • the first configuration information includes at least one candidate value for the first parameter
  • the terminal device 500 further includes a processing unit 520, configured to determine a use value for the first parameter according to the second side line communication capability and the at least one candidate value.
  • the processing unit 520 is specifically configured to: if the first candidate value in the at least one candidate value is suitable for the second side line communication capability, the first candidate value The value is determined as the used value for the first parameter.
  • the communication unit 510 is further configured to: send a second indication to the first network device Information, the second indication information is used to indicate that the at least one candidate value is not applicable to the second sideline communication capability; or
  • the processing unit 520 is further configured to re-establish a connection with the first network device.
  • the processing unit 520 is specifically configured to: if the at least one candidate value is not suitable for the second side line communication capability, determine the default value of the first parameter as The usage value.
  • the communication unit 510 is further configured to report the information of the second side-line communication capability to the first network device.
  • the communication unit 510 is further configured to: send second configuration information to the second terminal device, where the second configuration information includes the terminal device 500 and the second terminal device. Side-line communication configuration for communication between terminal devices.
  • terminal device 500 may correspond to the terminal device in the method 200, and can implement the corresponding operations of the terminal device in the method 200. For the sake of brevity, details are not described herein again.
  • FIG. 7 shows a schematic block diagram of a terminal device 600 according to an embodiment of the present application.
  • the terminal device 600 includes:
  • the communication unit 610 is configured to receive at least one third index sent by the second terminal device, where the at least one third index is used to identify the second sideline communication of the communication between the second terminal device and the terminal device 600 ability.
  • the communication unit 610 is further configured to: receive first configuration information sent by the first network device, where the first configuration information includes the terminal device 600 and the first network device. Side-line communication configuration for communication between two terminal devices.
  • the first configuration information includes at least one candidate value for the first parameter
  • the terminal device 600 further includes a processing unit 620, configured to determine a use value for the first parameter according to the second sideline communication capability and the at least one candidate value.
  • the processing unit 620 is specifically configured to: if the first candidate value in the at least one candidate value is suitable for the second side line communication capability, the first candidate value The value is determined as the used value for the first parameter.
  • the communication unit 610 is further configured to: send a second indication to the first network device Information, the second indication information is used to indicate that the at least one candidate value is not applicable to the second sideline communication capability; or
  • the processing unit 620 is further configured to re-establish a connection with the first network device.
  • the processing unit 620 is specifically configured to: if the at least one candidate value is not suitable for the second side line communication capability, determine the default value of the first parameter as The usage value.
  • terminal device 600 may correspond to the terminal device in the method 400, and can implement the corresponding operations of the terminal device in the method 400. For brevity, details are not described herein again.
  • FIG. 8 shows a schematic block diagram of a terminal device 700 according to an embodiment of the present application. As shown in FIG. 8, the terminal device 700 includes:
  • the communication unit 710 is configured to send at least one third index to the first terminal device, where the at least one third index is used to identify the second side line communication capability of the communication between the terminal device 700 and the first terminal device .
  • the terminal device 700 further includes: a processing unit 720, configured to determine the second side-line communication capability according to at least one of the following capabilities:
  • the second cellular communication capability or second cellular communication configuration of the communication between the terminal device 700 and the second network device, the side of the communication between the terminal device 700 and other terminal devices other than the first terminal device The line communication capability, the side line communication capability or the side line communication configuration that the terminal device 700 can use, and the side line communication capability that the terminal device 700 needs to report to the first terminal device.
  • the communication unit 710 is further configured to: receive third indication information sent by the second network device, where the third indication information is used to indicate the second cellular communication configuration .
  • the communication unit 710 is further configured to: receive third indication information sent by the second network device, where the third indication information is used to indicate that the terminal device 700 can use Side-line communication capability or side-line communication configuration.
  • the communication unit 710 is further configured to: receive fourth indication information sent by the first terminal device, where the fourth indication information is used to indicate that the terminal device 700 needs to communicate with The lateral communication capability reported by the first terminal device.
  • the communication unit 710 is further configured to: receive second configuration information sent by the first terminal device, where the second information includes the first terminal device and the terminal A side-line communication configuration for communication between devices 700.
  • terminal device 700 may correspond to the terminal device in the method 400, and can implement the corresponding operations of the terminal device in the method 400. For brevity, details are not described herein again.
  • FIG. 9 shows a schematic block diagram of a network device 800 according to an embodiment of the present application.
  • the network device 800 includes:
  • the communication unit 810 is configured to receive at least one first index reported by the first terminal device, where the at least one first index is used to identify the first sideline communication capability supported by the first terminal device.
  • the communication unit 810 is further configured to: receive the first mapping set and the second mapping set reported by the first terminal device;
  • the first mapping set includes a mapping relationship between at least one side-line capability identifier and at least one side-line communication capability supported by the terminal device
  • the second mapping set includes a combination of at least one side-line capability identifier A mapping relationship with at least one index, the at least one index includes the at least one first index.
  • the network device 800 further includes a processing unit 820, configured to determine the first mapping set, the second mapping set, and the at least one first index Side line communication capability.
  • the communication unit 810 is specifically configured to: receive the at least one first index associated with at least one side-line frequency band combination reported by the first terminal device.
  • the communication unit 810 is further configured to: receive Uu interface information reported by the first terminal device for controlling side-line communication.
  • the Uu interface information includes at least one of the following: radio access technology RAT information of the Uu interface, cell group information of the Uu interface, frequency band information of the Uu interface, and information about the Uu interface Cell information, Uu interface mode information, and Uu interface carrier information.
  • the communication unit 810 is specifically configured to: receive the Uu interface information reported by the first terminal device based on at least one of the following granularities: terminal device, sideband frequency band, sideband At least one of the frequency band combination and the side-line frequency band combination.
  • the communication unit 810 is further configured to: send first indication information to the first terminal device, where the first indication information is used to instruct the first terminal device
  • the network device 800 reports the first sideline communication capability.
  • the first indication information is used to indicate the sideline communication capability information that the first terminal device needs to report.
  • the capability information includes RAT information for side-line communication, and/or frequency band information for side-line communication.
  • the first indication information is used to indicate the RAT information that the first terminal device needs to report.
  • the communication unit 810 is further configured to: receive at least one second index reported by the first terminal device, and the at least one second index is used to identify the first terminal The first cellular communication capability supported by the device.
  • the communication unit 810 is further configured to: receive the third mapping set and the fourth mapping set reported by the first terminal device;
  • the third mapping set includes a mapping relationship between at least one cellular capability identifier and at least one cellular communication capability supported by the terminal device
  • the fourth mapping set includes at least one combination of the cellular capability identifier and at least one
  • the mapping relationship between the indexes, the at least one index includes the at least one second index.
  • the network device 800 further includes a processing unit 820, configured to determine the first mapping set, the fourth mapping set, and the at least one second index A cellular communication capability.
  • the second mapping set is independent of the fourth mapping set
  • the second mapping set includes a mapping relationship between at least one combination of side row capability identifiers supported by the terminal device and at least one index, and the at least one index includes the at least one first index.
  • the second mapping set and the fourth mapping set are jointly defined;
  • the second mapping set includes a mapping relationship between at least one combination of side row capability identifiers supported by the terminal device and at least one index, and the at least one index includes the at least one first index.
  • the communication unit 810 is specifically configured to receive the at least one second index associated with at least one cellular frequency band combination reported by the first terminal device.
  • the first frequency band combination set where the at least one cellular frequency band combination is located and the second frequency band combination set where the at least one side-line frequency band combination is located are jointly defined.
  • the first frequency band combination set where the at least one cellular frequency band combination is located is independent of the second frequency band combination set where the at least one side-line frequency band combination is located.
  • the first frequency band combination set includes first information, and the first information is used to indicate the sideband frequency bands simultaneously supported by the cellular frequency band combination in the at least one cellular frequency band combination combination.
  • the second frequency band combination set includes second information, and the second information is used to indicate the cells simultaneously supported by the side line frequency band combination in the at least one side line frequency band combination. Band combination.
  • the RAT for cellular communication targeted by the first frequency band combination set and the RAT for sideline communication targeted by the second frequency band combination set are different.
  • the communication unit 810 is further configured to: receive a fifth mapping set reported by the first terminal device, where the fifth mapping set includes at least one sideline communication capability and at least one The mapping relationship between indexes, the at least one index includes the at least one first index.
  • the communication unit 810 is further configured to: send first configuration information to the first terminal device, where the first configuration information includes the first terminal device and the second terminal device. Side-line communication configuration for communication between devices.
  • the first configuration information includes at least one candidate value for the first parameter.
  • the communication unit 810 is further configured to: receive second indication information sent by the first terminal device, where the second indication information is used to indicate that at least one candidate value is not applicable A second side-line communication capability, where the second side-line communication capability is a side-line communication capability of communication between the first terminal device and the second terminal device.
  • the communication unit 810 is further configured to: receive at least one third index reported by the first terminal device, where the at least one third index is used to identify the first terminal The side-line communication capability of the communication between the device and the second terminal device.
  • the communication unit 810 is specifically configured to send the configuration information to the first terminal device according to the second sideline communication capability.
  • the network device 800 may correspond to the network device in the method 200, and can implement the corresponding operations of the network device in the method 200. For brevity, details are not described herein again.
  • FIG. 10 is a schematic structural diagram of a communication device 900 according to an embodiment of the present application.
  • the communication device 900 shown in FIG. 10 includes a processor 910, and the processor 910 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the communication device 900 may further include a memory 920.
  • the processor 910 may call and run a computer program from the memory 920 to implement the method in the embodiment of the present application.
  • the memory 920 may be a separate device independent of the processor 910, or may be integrated in the processor 910.
  • the communication device 900 may further include a transceiver 930, and the processor 910 may control the transceiver 930 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the transceiver 930 may include a transmitter and a receiver.
  • the transceiver 930 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 900 may specifically be a network device of an embodiment of the application, such as a first network device, and the communication device 900 may implement the corresponding process implemented by the network device in each method of the embodiment of the application.
  • I won’t repeat it here.
  • the communication device 900 may specifically be a terminal device of an embodiment of the present application, such as a first terminal device or a second terminal device, and the communication device 900 may implement the various methods implemented by the terminal device in the embodiments of the present application. For the sake of brevity, the corresponding process will not be repeated here.
  • Fig. 11 is a schematic structural diagram of a device according to an embodiment of the present application.
  • the apparatus 1000 shown in FIG. 11 includes a processor 1010, and the processor 1010 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the device 1000 may further include a memory 1020.
  • the processor 1010 can call and run a computer program from the memory 1020 to implement the method in the embodiment of the present application.
  • the memory 1020 may be a separate device independent of the processor 1010, or it may be integrated in the processor 1010.
  • the device 1000 may further include an input interface 1030.
  • the processor 1010 can control the input interface 1030 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the device 1000 may further include an output interface 1040.
  • the processor 1010 can control the output interface 1040 to communicate with other devices or chips, specifically, can output information or data to other devices or chips.
  • the device can be applied to the terminal device in the embodiment of the present application, such as the first terminal device or the second terminal device, and the device can implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
  • the terminal device in the embodiment of the present application, such as the first terminal device or the second terminal device
  • the device can implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
  • the device can be applied to the network device in the embodiment of the present application, such as the first network device, and the device can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the device can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the device may be a chip.
  • the chip mentioned in the embodiment of the present application may also be referred to as a system-level chip, a system-on-chip, a system-on-chip, or a system-on-chip, etc.
  • the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability.
  • the steps of the foregoing method embodiments may be completed by hardware integrated logic circuits in the processor or instructions in the form of software.
  • the aforementioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC application specific integrated circuit
  • FPGA ready-made programmable gate array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application can be directly embodied as being executed and completed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • ESDRAM enhanced synchronous dynamic random access memory
  • Synchlink DRAM SLDRAM
  • DR RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM), etc. That is to say, the memory in the embodiment of the present application is intended to include but not limited to these and any other suitable types of memory.
  • FIG. 12 is a schematic block diagram of a communication system 1100 according to an embodiment of the present application. As shown in FIG. 12, the communication system 1100 includes a first terminal device 1110 and a first network device 1120.
  • the first terminal device 1110 can be used to implement the corresponding function implemented by the first terminal device in the above method
  • the first network device 1120 can be used to implement the corresponding function implemented by the first network device in the above method
  • the embodiment of the present application also provides a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium may be applied to the terminal device in the embodiment of the present application, such as the first terminal device or the second terminal device, and the computer program causes the computer to execute each method in the embodiment of the present application.
  • the terminal device such as the first terminal device or the second terminal device
  • the computer program causes the computer to execute each method in the embodiment of the present application.
  • the corresponding process implemented by the device will not be repeated here.
  • the computer-readable storage medium may be applied to the network device in the embodiment of the present application, such as the first network device, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application ,
  • the network device such as the first network device
  • the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application ,
  • I will not repeat it here.
  • the embodiments of the present application also provide a computer program product, including computer program instructions.
  • the computer program product can be applied to the terminal device in the embodiment of the present application, such as the first terminal device or the second terminal device, and the computer program instruction causes the computer to execute each method in the embodiment of the present application.
  • the terminal device such as the first terminal device or the second terminal device
  • the computer program instruction causes the computer to execute each method in the embodiment of the present application.
  • the corresponding implementation process will not be repeated here.
  • the computer program product can be applied to the network device in the embodiment of the present application, such as the first network device, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application, For brevity, I won't repeat them here.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the terminal device in the embodiment of the present application, such as the first terminal device or the second terminal device, and when the computer program runs on the computer, the computer can execute each method of the embodiment of the present application.
  • the terminal device in the embodiment of the present application such as the first terminal device or the second terminal device
  • the computer program runs on the computer, the computer can execute each method of the embodiment of the present application.
  • the corresponding process implemented by the terminal device in the process will not be repeated here.
  • the computer program can be applied to the network device in the embodiment of the present application, such as the first network device.
  • the computer program runs on the computer, the computer can execute each method in the embodiment of the present application. For the sake of brevity, the corresponding process will not be repeated here.
  • the disclosed system, device, and method may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • each unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of this application essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory,) ROM, random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .

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

Abstract

La présente invention concerne, selon des modes de réalisation, un procédé destiné à rapporter une capacité de liaison latérale, un dispositif terminal et un dispositif de réseau. Le procédé comprend : un premier dispositif terminal qui rapporte un ou plusieurs premiers index à un premier dispositif de réseau, le ou les premiers index étant utilisés pour identifier une première capacité de communication de liaison latérale prise en charge par le premier dispositif terminal. Le procédé permettant de rapporter une capacité de liaison latérale, le dispositif terminal et le dispositif de réseau des modes de réalisation de la présente invention permettent de rapporter la capacité d'un dispositif terminal dans un système de l'Internet des véhicules avec une surcharge de signalisation réduite.
PCT/CN2019/100100 2019-08-09 2019-08-09 Procédé destiné à rapporter une capacité de liaison latérale, dispositif terminal et dispositif de réseau WO2021026708A1 (fr)

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CN201980093901.0A CN113557758B (zh) 2019-08-09 2019-08-09 用于侧行链路的能力上报的方法、终端设备和网络设备
PCT/CN2019/100100 WO2021026708A1 (fr) 2019-08-09 2019-08-09 Procédé destiné à rapporter une capacité de liaison latérale, dispositif terminal et dispositif de réseau

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