WO2022143103A1 - 一种无线通信的方法及其装置 - Google Patents

一种无线通信的方法及其装置 Download PDF

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Publication number
WO2022143103A1
WO2022143103A1 PCT/CN2021/137100 CN2021137100W WO2022143103A1 WO 2022143103 A1 WO2022143103 A1 WO 2022143103A1 CN 2021137100 W CN2021137100 W CN 2021137100W WO 2022143103 A1 WO2022143103 A1 WO 2022143103A1
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WIPO (PCT)
Prior art keywords
base station
resource
information
terminal
communication
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PCT/CN2021/137100
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English (en)
French (fr)
Inventor
邢玮俊
吴问付
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华为技术有限公司
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Publication of WO2022143103A1 publication Critical patent/WO2022143103A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/16Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/26Resource reservation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • H04W36/0055Transmission or use of information for re-establishing the radio link
    • H04W36/0064Transmission or use of information for re-establishing the radio link of control information between different access points
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/08Reselecting an access point
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30Services specially adapted for particular environments, situations or purposes
    • H04W4/40Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/44Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30Services specially adapted for particular environments, situations or purposes
    • H04W4/40Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/46Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for vehicle-to-vehicle communication [V2V]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/27Control channels or signalling for resource management between access points

Definitions

  • the present application provides a method for wireless communication.
  • the method includes: a first base station sends first information to a second base station, where the first information is used for a first terminal to switch from the first base station to the second base station.
  • PC5 interface communication is performed before the process of the two base stations; the first base station receives the first PC5 resource information, the first PC5 resource information is used to represent the first PC5 resource, and the first PC5 resource is used by the first terminal to PC5 interface communication is performed during the handover of a base station to the second base station; the first base station sends the first PC5 resource information to the first terminal.
  • the first base station sends the PC5 interface information of the first terminal (including QoS information, SLRB configuration, physical layer channel resource information, communication mode, etc.) to the second base station, so that the second base station can connect to the first terminal.
  • the PC5 communication resources for the destination cell are configured for the first terminal in advance, so as to avoid the problem that the PC5 resources allocated by the second base station may not be able to meet the PC5 communication requirements between terminal devices after the handover.
  • the first PC5 resource includes at least one PC5 interface for the first terminal to perform PC5 interface communication in the process of switching from the first base station to the second base station. PC5 resources.
  • the resource is selected for communication; when the first PC5 resource includes at least two PC5 resources for the first terminal to communicate with the PC5 interface
  • the terminal switches the PC5 resources of the PC5 interface communication in the process of switching the base station, it determines a PC5 resource for communication according to the quality, priority and other factors of each PC5 resource in the first PC5 resource.
  • the specific determination method is not limited in this application.
  • sending the first information by the first base station includes: the first base station sending a first request message to the second base station, where the first request message includes the first request message.
  • the first request message is used to request handover of the first terminal from the first base station to the second base station;
  • the first base station receiving the first PC5 resource information includes: the first base station receiving information from the second base station The first request response message of the base station, where the first request response message includes the first PC5 resource information.
  • the second base station can obtain the first information sent by the first base station and prepare for the first terminal in advance Corresponding PC5 communication resources.
  • the first base station receives the first information from the first terminal.
  • the second base station receives the PC5 interface information of the first terminal (including QoS information, SLRB configuration, physical layer channel resource information, communication mode, etc.), so that the second base station can advance the first terminal during the handover process of the first terminal
  • a terminal is configured with PC5 communication resources for the destination cell, so as to avoid the problem that the PC5 resources allocated by the second base station may not be able to meet the PC5 communication requirements between terminal devices after handover.
  • the second base station sending the first PC5 resource information according to the first information includes: the second base station is the first terminal according to the first information Allocate the first PC5 resource; the second base station sends the first PC5 resource information.
  • the second base station when the second base station knows the first information of the first terminal, it allocates the first PC5 resource information to the first terminal, thereby avoiding inappropriate PC5 resource information configured by the second base station for the first terminal. question.
  • the third PC5 resource information is the PC5 resource information generated by the second base station according to the first information, and the first PC5 resource may be the intersection of the second PC5 resource information and the third PC5 resource information, or may be the third PC5 resource.
  • the information and part of the second PC5 resource information are not limited in this application.
  • the second base station receiving the first information includes: the second base station receiving the first request information from the first base station, where the first request message includes The first information, the first request message is used to request the first terminal to be handed over from the first base station to the second base station; the second base station sends the first PC5 resource information according to the first information, including: the The second base station sends a first request response message to the first base station according to the first information, where the first request response message includes the first PC5 resource information.
  • the second base station receiving the first information includes: the second base station receiving a second request message from the access and mobility management node, the second request The message includes the first information, and the second request message is used to request handover of the first terminal from the first base station to the second base station; the second base station sends the first PC5 resource information according to the first information, including : The second base station sends a second request response message to the access and mobility management node according to the first information, where the second request response message includes the first PC5 resource information.
  • the fourth PC5 resource includes the first PC5 resource.
  • the first terminal receives the first PC5 resource information sent by the first base station, where the PC5 resource information is the PC5 interface information (including QoS information, SLRB configuration, physical layer channel resource information, Communication mode, etc.) configured for the first terminal for the PC5 communication resources of the destination cell, avoiding the problem that the PC5 resources allocated by the second base station may not be able to meet the PC5 communication requirements between terminal devices after handover.
  • the PC5 resource information is the PC5 interface information (including QoS information, SLRB configuration, physical layer channel resource information, Communication mode, etc.) configured for the first terminal for the PC5 communication resources of the destination cell, avoiding the problem that the PC5 resources allocated by the second base station may not be able to meet the PC5 communication requirements between terminal devices after handover.
  • the first terminal when the first PC5 resource includes at least two PC5 interfaces for the first terminal to perform a PC5 interface in the process of switching from the first base station to the second base station
  • the first terminal performs PC5 interface communication in the process of switching from the first base station to the second base station according to the first PC5 resource information, including: the first terminal is in the first PC5 resource One PC5 resource is selected from among the first terminal; the first terminal uses the selected one PC5 resource to perform PC5 interface communication in the process of switching from the first base station to the second base station.
  • the resource is selected for communication; when the first PC5 resource includes at least two PC5 resources for the first terminal to communicate with the PC5 interface
  • the terminal switches the PC5 resources of the PC5 interface communication in the process of switching the base station, it determines a PC5 resource for communication according to the quality, priority and other factors of each PC5 resource in the first PC5 resource.
  • the specific determination method is not limited in this application.
  • the first terminal sends first information to the first base station, where the first information is used for the first terminal to switch from the first base station to the second base station PC5 interface communication is performed before the process.
  • the fourth PC5 resource includes at least one PC5 interface for the first terminal to perform PC5 interface communication after the process of switching from the first base station to the second base station. PC5 resources.
  • the fourth PC5 resource when the fourth PC5 resource includes only one PC5 resource used for the PC5 interface communication after the first terminal switches the base station, the resource is selected for communication; when the fourth PC5 resource includes at least two PC5 resources for the first terminal to communicate with When the PC5 resource for PC5 interface communication is performed after switching the base station, a PC5 resource is determined for communication according to the quality, priority and other factors of each PC5 resource in the fourth PC5 resource.
  • the specific determination method is not limited in this application.
  • the fourth PC5 resource includes the first PC5 resource.
  • an apparatus for wireless communication comprising:
  • the sending module is used to send the first information to the second base station, and the first information is used for the first terminal to perform PC5 interface communication before the process of switching from the first base station to the second base station;
  • the receiving module is used to receive the first PC5 resource information, the first PC5 resource information is used to represent the first PC5 resource, and the first PC5 resource is used for the first terminal to perform PC5 interface communication in the process of switching from the first base station to the second base station;
  • the sending module is further configured to send the first PC5 resource information to the first terminal.
  • the first PC5 resource includes at least one PC5 interface for the first terminal to perform PC5 interface communication in the process of switching from the first base station to the second base station. PC5 resources.
  • the first information includes at least one of the following information: PC5 QoS information, and second PC5 resource information; wherein the second PC5 resource information is used to represent the second PC5 resources, the second PC5 resources include at least one PC5 resource for the first terminal to perform PC5 interface communication before the process of handover from the first base station to the second base station.
  • the sending module is specifically configured to: send a first request message to the second base station, where the first request message includes the first information, and the first request message for requesting handover of the first terminal from the first base station to the second base station; receiving a first request response message from the second base station, where the first request response message includes the first PC5 resource information.
  • the sending module is further specifically configured to: send a second request message to the access and mobility management node, where the second request message includes the first information, the The second request message is used to request handover of the first terminal from the first base station to the second base station; the second request response message from the access and mobility management node is received, the second request response message includes the First PC5 resource information.
  • the receiving module is further specifically configured to: receive the first information from the first terminal.
  • the sending module is further specifically configured to: send indication information to the first terminal, where the indication information is used to instruct to report the first information.
  • a fifth aspect provides an apparatus for wireless communication, the apparatus comprising: a receiving module for receiving first information, where the first information is used by a first terminal before a process of switching from a first base station to the second base station Carry out PC5 interface communication; the sending module is used to send the first PC5 resource information according to the first information, the first PC5 resource information is used to represent the first PC5 resource, and the first PC5 resource is used for the first terminal in slave PC5 interface communication is performed during the handover of the first base station to the second base station.
  • the first information includes at least one of the following: PC5 QoS information, and second PC5 resource information; wherein, the second PC5 resource information is used to characterize the second PC5 resource, the second PC5 resource includes at least one PC5 resource for the first terminal to perform PC5 interface communication before the process of handover from the first base station to the second base station.
  • the apparatus further includes: a processing module, configured to allocate the first PC5 resource to the first terminal according to the first information; the sending module, further using for sending the first PC5 resource information.
  • the processing module is also used to determine the third PC5 resource information according to the PC5QoS information, and the third PC5 resource information is used to characterize the third PC5 resource; according to The second PC5 resource information and the third PC5 resource allocate the first PC5 resource to the first terminal, and the first PC5 resource is included in the second PC5 resource and the third PC5 resource.
  • the processing module is further configured to allocate the first PC5 resource to the first terminal according to the second PC5 resource information, where the first PC5 resource includes on the second PC5 resource.
  • the receiving module is further configured to: receive a second request message from the access and mobility management node, where the second request message includes the first information, The second request message is used to request handover of the first terminal from the first base station to the second base station; the sending module is further configured to send a first request response message to the first base station according to the first information, The first request response message includes the first PC5 resource information.
  • the receiving module is further configured to: receive the PC5QoS information from the first terminal, where the PC5QoS information is used by the first terminal when the first base station receives PC5 interface communication is performed before the process of switching to the second base station; the sending module is also used to send the fourth PC5 resource information to the first terminal according to the PC5QoS information, and the fourth PC5 resource information is used to represent the fourth PC5 resource, and the fourth PC5 resource information is used for the first terminal to perform PC5 interface communication after the process of handover from the first base station to the second base station.
  • the fourth PC5 resource includes at least one PC5 interface for the first terminal to perform PC5 interface communication after the process of switching from the first base station to the second base station. PC5 resources.
  • the fourth PC5 resource includes the first PC5 resource.
  • an apparatus for wireless communication comprising:
  • the receiving module is used to receive the first PC5 resource information from the first base station, the first PC5 resource information is used to represent the first PC5 resource, and the first PC5 resource is used for the first terminal to switch from the first base station to PC5 interface communication is performed in the process of the second base station.
  • the device when the first PC5 resource includes at least two PC5 interfaces for the first terminal to perform a PC5 interface in the process of switching from the first base station to the second base station
  • the device when communicating PC5 resources, the device further includes: a processing module for selecting a PC5 resource in the first PC5 resource; using the selected PC5 resource, in the process of switching from the first base station to the second base station PC5 interface communication.
  • the sending module is specifically configured to: send first information to the first base station, where the first information is used for the first terminal to switch from the first base station to PC5 interface communication is performed before the process of the second base station.
  • the receiving module is further specifically configured to: receive indication information from the first base station, where the indication information is used to instruct to report the first information.
  • the sending module is further specifically configured to: send target resource information to the second terminal, where the target resource information is used to represent the selected one PC5 resource
  • the sending module is also specifically configured to send PC5QoS information to the second base station, and the PC5QoS information is used for the first terminal to switch from the first base station to the second base station.
  • PC5 interface communication is performed before the process of the second base station;
  • the receiving module is also specifically configured to receive fourth PC5 resource information from the second base station, where the fourth PC5 resource information is used to represent the fourth PC5 resource, the fourth The PC5 resource information is used for the first terminal to perform PC5 interface communication after the process of switching from the first base station to the second base station.
  • the fourth PC5 resource includes at least one PC5 interface for the first terminal to perform PC5 interface communication after the process of switching from the first base station to the second base station. PC5 resources.
  • the fourth PC5 resource includes the first PC5 resource.
  • a communication apparatus including a processor.
  • the processor is coupled to the memory and can be used to execute the instructions in the memory, so as to implement the communication method in the first aspect to the third aspect and any possible implementation manner of the first aspect to the third aspect.
  • the communication device further includes a memory.
  • the communication device further includes a communication interface to which the processor is coupled, and the communication interface is used for inputting and/or outputting information.
  • the information includes at least one of instructions and data.
  • the communication apparatus is a terminal device.
  • the communication interface may be a transceiver, or an input/output interface.
  • the communication device is a chip or a system of chips.
  • the communication interface may be an input/output interface, and may be an input/output interface, an interface circuit, an output circuit, an input circuit, a pin or a related circuit on the chip or a chip system, etc.
  • the processor may also be embodied as a processing circuit or a logic circuit.
  • the communication apparatus is a chip or a chip system configured in the terminal device.
  • the transceiver may be a transceiver circuit.
  • the input/output interface may be an input/output circuit.
  • a communication device including a processor.
  • the processor is coupled to the memory and can be used to execute the instructions in the memory, so as to implement the communication method in the first aspect to the third aspect and any possible implementation manner of the first aspect to the third aspect.
  • the communication device further includes a memory.
  • the communication device further includes a communication interface to which the processor is coupled, and the communication interface is used for inputting and/or outputting information.
  • the information includes at least one of instructions and data.
  • the communication apparatus is a network device.
  • the communication interface may be a transceiver, or an input/output interface.
  • the communication device is a chip or a system of chips.
  • the communication interface may be an input/output interface, an interface circuit, an output circuit, an input circuit, a pin or a related circuit on the chip or a chip system.
  • the processor may also be embodied as a processing circuit or a logic circuit.
  • the communication apparatus is a chip or a chip system configured in a network device.
  • the transceiver may be a transceiver circuit.
  • the input/output interface may be an input/output circuit.
  • a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a communication device, causes the communication device to implement the first to third aspects, and the first to third aspects.
  • the communication method in any possible implementation manner of the three aspects.
  • a computer program product comprising instructions, which, when executed by a computer, cause a communication apparatus to implement the communication methods provided in the first to third aspects.
  • a twelfth aspect provides a computer program product comprising instructions, which when executed by a computer cause a communication apparatus to implement the communication methods provided in the first to third aspects.
  • FIG. 1 shows an architecture diagram of a 5G V2X communication system applicable to the embodiment of the present application.
  • FIG. 3 shows a schematic flowchart of a unicast communication applicable to this embodiment of the present application.
  • FIG. 4 shows a schematic flowchart of a cell handover performed by a terminal device suitable for this embodiment.
  • FIG. 5 shows a schematic flowchart of a method 500 for wireless communication provided by an embodiment of the present application.
  • FIG. 6 shows a schematic flowchart of a method 600 for wireless communication provided by an embodiment of the present application.
  • FIG. 7 shows a schematic block diagram of a communication apparatus according to an embodiment of the present application.
  • FIG. 8 shows a schematic structural diagram of a communication apparatus according to an embodiment of the present application.
  • FIG. 9 shows a schematic structural diagram of a communication apparatus according to an embodiment of the present application.
  • FIG. 10 shows a schematic structural diagram of a communication apparatus according to an embodiment of the present application.
  • the Fifth-Generation (5G) mobile communication technology is a global 5G standard based on a new air interface design based on Orthogonal Frequency Division Multiplexing (OFDM).
  • the next generation is a very important cellular mobile technology foundation.
  • the services of 5G technology are very diverse, which can be oriented to Enhanced Mobile Broadband (eMBB) services, Ultra-Reliability Low-Latency Communication (URLLC) services And the Massive Machine-Type Communication (mMTC) service, where the mMTC service can be, for example, the Industrial Wireless Sensor Network (IWSN) service, the Video Surveillance (Video Surveillance) service, and the Wearables (Wearables) service. business.
  • IWSN Industrial Wireless Sensor Network
  • Video Surveillance Video Surveillance
  • Wearables Wearables
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • CDMA Wideband Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • V2V Vehicle to Vehicle
  • V2I Vehicle to Infrastructure
  • V2P Vehicle to Pedestrian
  • V2N Vehicle to Network
  • the terminal equipment may also be referred to as user equipment (User Equipment, UE), access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device , user agent or user device.
  • the terminal device can be a station (Staion, ST) in a WLAN, a cellular phone, a cordless phone, a Session Initiation Protocol (Session Initiation Protocol, SIP) phone, a Wireless Local Loop (WLL) station, a personal digital processing (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, connected car terminals, computers, laptop computers, handheld communication devices, handheld Computing equipment, satellite wireless equipment, wireless modem cards, television set top boxes (STBs), customer premise equipment (CPEs) and/or other equipment for communicating over wireless systems and next generation communication systems
  • wearable smart devices include full functions, large sizes, and can achieve complete or partial functions without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, which can cooperate with other devices such as smart phones.
  • the network equipment may include access network equipment or core network equipment.
  • the access network device may be an access network device or other device used to communicate with mobile devices, and the access network device may be an access point (Access Point, AP) in WLAN, a base station (Base Transceiver in GSM or CDMA) Station, BTS), it can also be a base station (NodeB, NB) in WCDMA, or a gNB in a new wireless system (New Radio, NR) system, or it can be an evolved base station (Evolutional Node B, eNB or LTE in LTE).
  • eNodeB or relay station or access point, or roadside unit (Roadside Unit, RSU), or in-vehicle equipment, wearable equipment and access network equipment in future 5G networks or access network equipment in future evolved PLMN networks Wait.
  • an access network device provides services for a cell
  • a terminal device communicates with the access network device through transmission resources (for example, time-frequency resources, frequency resources, or spectrum resources) used by the cell
  • the cell may be a cell corresponding to an access network device (such as a base station), and the cell may belong to a macro base station or a base station corresponding to a small cell.
  • These small cells have the characteristics of small coverage and low transmit power, and are suitable for providing high-speed data transmission services.
  • the core network device may be connected to a plurality of access network devices for controlling the access network devices, and may distribute data received from the network side (eg, the Internet) to the access network devices.
  • the network side eg, the Internet
  • terminal equipment The functions and specific implementation manners of the terminal equipment, the access network equipment, and the core network equipment listed above are only exemplary descriptions, and the present application is not limited thereto.
  • a terminal device or a network device may include a hardware layer, an operating system layer running on the hardware layer, and an application layer running on the operating system layer.
  • This hardware layer includes hardware such as a central processing unit (Central Processing Unit, CPU) and memory (also called main memory).
  • the operating system may be any one or more computer operating systems that implement business processing through processes, such as a Linux operating system, a Unix operating system, an Android operating system, an iOS operating system, or a Windows operating system.
  • the application layer includes applications such as browsers, address books, word processing software, and instant messaging software.
  • the embodiments of the present application do not specifically limit the specific structure of the execution body of the method.
  • the execution body of the method provided by the embodiments of the present application may be a terminal device or a network device, or a terminal device or a network device that can call program and execute the program's functional modules.
  • various aspects or features of the embodiments of the present application may be implemented as a method, apparatus or article of manufacture using standard programming and/or engineering techniques.
  • article of manufacture encompasses a computer program accessible from any computer readable device, carrier or medium.
  • computer-readable media may include, but are not limited to, magnetic storage devices (eg, hard disks, floppy disks, or magnetic tapes, etc.), optical disks (eg, Compact Disc (CD), Digital Versatile Disc (DVD) etc.), smart cards and flash memory devices (eg, Erasable Programmable Read-Only Memory (EPROM), cards, stick or key drives, etc.).
  • various storage media described herein can represent one or more devices and/or other machine-readable media for storing information.
  • the term "machine-readable medium” may include, but is not limited to, wireless channels and various other media capable of storing, containing, and/or carrying instructions and/or data.
  • the application program for executing the communication method of the embodiment of the present application and the application program for controlling the receiving device to complete the action corresponding to the received data may be are different applications.
  • FIG. 1 is an architectural diagram of a 5G V2X communication system applicable to the embodiment of the present application.
  • the 5G core network circle is the 5G core network network elements, and different network elements are connected by service interfaces.
  • the PC5 interface is used for direct communication between UEs, and the Uu interface is used for communication between the UE and the base station.
  • FIG. 2 is an architecture diagram of a wireless access side.
  • the terminal device can configure side link radio bearers (Sidelink Radio Bearers, SLRB) corresponding to service characteristic parameters.
  • the service characteristic parameter may include quality of service (Quality of Service, QoS).
  • QoS Quality of Service
  • PPPP ProSe Per Packet Priority, short-range communication data packet priority
  • PPPR ProSe Per Packet Reliability, short-range communication data packet reliability
  • PPPP and PPPR are determined by the application layer. Both PPPP and PPPR can be integers from 1 to 8. The higher the number, the lower the priority and reliability requirements.
  • the application layer submits the data packet to the bottom layer for transmission, Set PPPP and PPPR for this packet.
  • the mapping of the data packet to the SLRB is completed by the terminal, and the specific mapping rule is determined by the terminal itself.
  • QoS can refer to a network that can use various basic technologies to provide better service capabilities for specified network communications. It is a network security mechanism and a technology used to solve problems such as network delay and congestion. The guarantee of QoS It is very important for networks with limited capacity.
  • Flow-based QoS models are used to measure link unicast, multicast, and broadcast.
  • RRC Radio Resource Control
  • the UE can report the QoS information of the data flow through RRC dedicated signaling, and the network device can use the QoS information reported by the UE to pass RRC dedicated signaling provides SLRB configuration and configures the correspondence between the data stream and SLRB.
  • the network device can provide SLRB configuration and configure the mapping between PC5QoS and SLRB through a V2X dedicated System Information Block (SIB).
  • SIB System Information Block
  • SLRB configuration and mapping of PC5 QoS to SLRB are pre-configured.
  • the QoS of terminal data packets is based on the QoS flow mechanism with guaranteed bit rate (GBR) or non-guaranteed bit rate (non-GBR), and the introduction of SDAP (Service Data The Adaptation Protocol, service data adaptation protocol) layer is used to complete the mapping of QoS flows to RBs.
  • the PC5QoS flow is identified by the QoS flow identification number (PC5QoS flow Identification, PFI), and the PC5QoS flow can be mapped to the SLRB of the access layer (Access Stratum, AS).
  • PC5QoS flow Identification PC5QoS flow Identification
  • PFI QoS flow identification number
  • AS Access Stratum
  • One or more PC5QoS flows can be mapped to the same SLRB, but a PC5QoS flow can only be mapped to one SLRB.
  • the QoS characteristics of the data packets on the same PC5QoS flow are the same, and the mapping between PC5QoS and PC5Qo
  • the application layer of the V2X UE sends the broadcast message data packet to the access layer through the V2X layer according to its QoS requirements, the priority of the data packet (ProSe Per-Packet Priority, PPPP) and the reliability (ProSe Per-Packet Reliability, PPPR). (Access Stratum, AS).
  • the V2X UE sends the PPPP and PPPR information to the base station together with the PC5 communication resource application, and the base station allocates a resource pool to the V2X UE according to the PPPP and PPPR information.
  • the concept of the resource pool here is: a set of time-domain or frequency radio resources that can be used by the UE.
  • FIG. 3 is a schematic diagram of the unicast communication applicable to the embodiment of the present application.
  • a schematic flow chart As shown in Figure 3, the specific steps are as follows:
  • the terminal device requests service authorization and provision from the base station and the 5G core network.
  • the terminal device can use the PC5QoS rules and the PC5QoS configuration file for service authorization and provisioning, and provide the terminal device with the PC5QoS configuration file for each PC5QoS flow.
  • the terminal device sends the data to be sent and its corresponding QoS requirements from the application layer to the V2X layer.
  • the terminal device maps the QoS requirements of the application layer to specific QoS parameters.
  • QoS parameters depends on the requirements of the V2X application at the application layer for V2X communication, which specifically includes: delay, packet loss rate, bandwidth and distance (Range).
  • delay packet loss rate
  • bandwidth bandwidth
  • distance Range
  • QoS parameters different from traditional cellular communication (communication between mobile phones and base stations), in addition to the standardized PQI (PC5 5G QoS Identifier, PC5 5G QoS Identifier) and other parameters such as rate, QoS parameters also add distance parameters. It refers to the minimum communication distance that can ensure that the receiving node meets other QoS requirements (ie, other QoS parameter indicators except the Range parameter).
  • the V2X layer allocates these packets to the corresponding PC5QoS flows according to the preconfigured QoS rules, and each PC5QoS flow is identified by PFI (PC5QoS Flow Identifier, PC5 Quality of Service Flow Identifier).
  • PFI PC5QoS Flow Identifier, PC5 Quality of Service Flow Identifier
  • the V2X layer can send the data packet, its corresponding PFI, and the QoS parameters corresponding to the PFI to the AS layer together.
  • the terminal device applies to the base station for PC5 communication resources.
  • the terminal device can apply for radio resources to the base station, and at the same time, it can carry the QoS configuration information (including: PFI, PQI corresponding to the QoS flow and other QoS parameters).
  • the base station configures SLRB (Sidelink Radio Bearer, side link radio bearer) for the terminal device according to the QoS parameters, and sends the configuration information to the terminal device.
  • SLRB Servicelink Radio Bearer, side link radio bearer
  • FIG. 4 is a schematic flowchart of cell handover performed by a terminal device applicable to this embodiment. As shown in Figure 4, the specific steps are as follows:
  • a terminal device sends a measurement report to a source base station.
  • the terminal device periodically sends a measurement report (including information such as the quality and strength of the radio resource channel used by the terminal device) to the source base station during the communication process, and the source base station can determine whether it can initiate the terminal device according to the measurement report sent by the terminal device. switching process.
  • a measurement report including information such as the quality and strength of the radio resource channel used by the terminal device
  • the source base station sends a handover request to the target base station.
  • the target base station sends handover feedback to the source base station.
  • the terminal device performs a handover operation with the target base station.
  • the terminal device sends RRC connection completion indication information to the target base station.
  • the source base station sends an additional resource pool to the terminal device along with the handover instruction for use in the handover process
  • the source base station when it sends a handover request to the target base station, it can carry the following information: the X2 signaling message of the terminal device at the source base station (X2 is the interface between 4G base stations, corresponding to the Xn interface of 5G), the S1 signaling message (S1 is the interface between the 4G base station and the mobility management entity or serving gateway, corresponding to the 5G NG interface), target base station identifier, security key information, RRC message, E-RAB information (E-UTRAN Radio Access Bearer, wireless Access bearer, including network layer and transport layer address information and QoS configuration information) and other information.
  • X2 is the interface between 4G base stations, corresponding to the Xn interface of 5G
  • S1 is the interface between the 4G base station and the mobility management entity or serving gateway, corresponding to the 5G NG interface
  • target base station identifier security key information
  • RRC message RRC message
  • E-RAB information E-UTRAN Radio Access Bearer
  • wireless Access bearer including
  • these information only include the relevant information of the communication between the UE and the base station, that is, the information of the Uu (interface between the terminal equipment and the UTRAN) interface (for example, the E-RAB is the radio bearer information of the Uu interface), and there is no Relevant bearer information of PC5.
  • the target base station when the target base station sends a new resource configuration to the terminal device, it cannot know the PC5QoS requirement information (ie PC5QoS Profile, PC5QoS configuration) of the service used by the terminal device. Therefore, when the target base station allocates the communication resources of the PC5 to the terminal equipment, it may happen that the allocated resources cannot meet the communication requirements of the terminal equipment.
  • PC5QoS requirement information ie PC5QoS Profile, PC5QoS configuration
  • cell handover may occur frequently during the driving process of the vehicle.
  • the first base station sends first information to the second base station.
  • the first information includes at least one of PC5 QoS information and second PC5 resource information.
  • the PC5QoS information is used for the first terminal to communicate with the PC5 interface before the process of switching from the first base station to the second base station.
  • the PC5QoS information also adds a distance parameter.
  • the distance refers to is the minimum communication distance that can ensure that the receiving node meets other QoS requirements (ie, other QoS parameter indicators except the Range parameter).
  • the second PC5 resource information is used to represent the second PC5 resource.
  • the second PC5 resource may be SLRB configuration information and a corresponding SLRB identifier
  • the SLRB configuration may include an RLC (Radio link control, radio link control) layer configuration (reset transmission mechanism, etc.), media access control (MAC) layer configuration (communication frequency band mapping, wireless resource scheduling information, etc.), physical layer configuration (used wireless channel frequency band and other information)
  • SLRB configuration information can include logical channel identifiers Information, frequency band identification information of the MAC layer scheduling data to the physical layer, etc., are not limited in this application.
  • the second PC5 resource may include at least one PC5 resource for the first terminal to perform PC5 interface communication before the process of handover from the source base station to the target base station.
  • the second PC5 resource may be allocated by the first base station for the first terminal.
  • the second PC5 resource may be a resource pool, and the resource pool may include one or more PC5 resources.
  • the PC5 resource can be used to carry the data of the PC5 interface.
  • the PC5 resource may be the communication frequency band of the physical layer, which is not limited.
  • the communication frequency band may be a combination of multiple communication frequency bands (ie, a resource pool), or may be a specified communication frequency band, which is not limited.
  • the first base station may configure the second PC5 resource (ie, the resource pool) for the first terminal by static configuration or dynamic configuration. Further, when the first terminal transmits data of a certain service, the first terminal may select a communication frequency band from the second PC5 resource to carry the data of the service according to the QoS requirements (parameters) corresponding to the service.
  • the first base station may send a first request message to the second base station, where the first request message is used to request that the first terminal be handed over from the first base station to the second base station.
  • the first request message may include first information.
  • PC5 resources for PC5 interface communication before the process of switching to the target base station or, when the second PC5 resources include at least two PC5 resources for the first terminal to perform PC5 interface communication before the process of switching from the source base station to the target base station , then in the second PC5 resource, select a PC5 resource as the PC5 resource that the first terminal performs PC5 interface communication before the process of switching from the source base station to the target base station, for example, select the best quality in the second PC5 resource, or priority
  • the highest PC5 resource is not limited in this application.
  • the PC5 resource information of the first terminal may be included in a transparent RRC container (transparent RRC container) switched by the Uu interface, and the container may also include: the ID of the second base station, the communication interface capability information of the first terminal, the QoS flow and QoS parameter configuration information, etc.
  • the first base station obtains the first information by receiving the first information sent by the first terminal.
  • the first base station may send indication information to the first terminal to instruct the first terminal to report the first information.
  • the first base station may send a second request message to the access and mobility management node.
  • the second request message may include first information, and the second request message may be used to request that the first terminal be handed over from the first base station to the second base station.
  • the second base station sends the first PC5 resource information to the first base station according to the first information.
  • the second base station may determine the first PC5 resource information according to the first information, and then send the first PC5 resource information to the first base station.
  • the second base station may determine the first PC5 resource information according to the PC5 QoS information or the second PC5 resource information included in the first information. For example, when the first information includes PC5QoS information and second PC5 resource information, first, the second base station determines third PC5 resource information according to the PC5QoS information, the third PC5 resource information is used to represent the third PC5 resource, and the third PC5 resource includes At least one PC5 resource that satisfies the PC5QoS information, secondly, the second base station can allocate the first PC5 resource for the first terminal through the second PC5 resource and the third PC5 resource, and the first PC5 resource can be the second PC5 resource information and the third PC5 resource.
  • the first PC5 resource information is used to represent the first PC5 resource
  • the first PC5 resource is used for the first terminal to perform PC5 interface communication in the process of switching from the first base station to the second base station.
  • the process of handover to the second base station may start with the first terminal reconfiguring from the RRC connection, and finish the RRC connection with the second base station as the end point. For example, in the process of steps 405 to 406 in conjunction with FIG. 4 .
  • the first PC5 resource information may be SLRB configuration information and a corresponding SLRB identifier.
  • the SLRB configuration may include radio link control layer configuration (eg, retransmission mechanism, logical channel configuration, etc.), MAC layer configuration (eg, communication frequency band mapping, radio resource scheduling information, etc.), physical layer configuration (used radio Channel frequency band and other information), the SLRB configuration information may include logical channel identification information, frequency band identification information from the MAC layer scheduling data to the physical layer, etc., which is not limited in this application.
  • the resources included in the third PC5 resource meet the QoS requirement.
  • the QoS requirement includes guaranteed flow bit rate (Guaranteed flow bit rate, GFBR)
  • the third PC5 resource can be guaranteed to support at least the transmission rate corresponding to the GFBR value
  • the QoS requirement includes the transmission distance
  • the third PC5 resource can be guaranteed at Other QoS parameters within the transmission distance value are satisfied.
  • the QoS requirement is that the data transmission of 500 meters can guarantee the packet delay budget of 20 milliseconds, 10 -4 the packet error rate.
  • the second base station may send a first request response message to the first base station, where the first request response message includes the first PC5 resource information.
  • the second base station receives a second request message from the access and mobility management node, where the second request message includes the first information, and according to the first information , sending a second request response message to the access and mobility management node, where the second request response message includes the first PC5 resource information.
  • the second base station can obtain the PC5 resources of the first terminal before switching base stations, and the second base station determines the first PC5 resources, that is, the PC5 resources that the first terminal communicates during the base station switching process, so that the second base station can Allocate PC5 resources in advance for the first terminal to communicate.
  • the first base station may send the first PC5 resource information to the first terminal after receiving the first PC5 resource information sent by the second base station.
  • the first terminal After the first terminal receives the first PC5 resource information, it can select a PC5 resource as the target PC5 resource from the first PC5 resource represented by the first PC5 resource information, and then use the target PC5 resource in the first terminal.
  • PC5 interface communication is performed during the handover from the first base station to the second base station.
  • the first terminal may also send the first PC5 resource information to the second terminal, so that the first terminal and the second terminal communicate through the first PC5 resource during the handover of the first terminal from the first base station to the second base station.
  • the first PC5 resource may include at least one PC5 resource for the first terminal to perform PC5 interface communication in the process of switching from the first base station to the second base station.
  • the first terminal uses the resource to communicate; or , when the first PC5 resource includes at least two PC5 resources for the first terminal to perform PC5 interface communication in the process of switching from the first base station to the second base station, the first terminal may select one of the first PC5 resources
  • the PC5 resource is used for the first terminal to perform PC5 interface communication in the process of switching from the first base station to the second base station.
  • the PC5 resource may be selected according to the quality or priority of each PC5 resource in the first PC5 resource, which is not limited in this application.
  • the first terminal may select a PC5 resource from the first PC5 resources to carry the data of the service according to the QoS requirement (parameter) corresponding to the data. For example, assuming that the first PC5 resource includes 8 different communication frequency bands, the first terminal can judge whether the frequency band is occupied according to the occupancy rate of the 8 frequency bands monitored in the wireless information, or according to the detection of the channel of the frequency band quality to determine whether the frequency band can meet the QoS requirements. In addition, one of the eight communication frequency bands may be selected for communication according to a certain criterion (which is not limited in this application).
  • the first base station receives a second request response message from the access and mobility management node, and the second request response message includes the first PC5 resource information.
  • the second base station can receive PC5QoS information from the first terminal, the PC5QoS information is used for the first terminal to perform PC5 interface communication before the process of switching from the first base station to the second base station, and the second base station according to the PC5QoS information, Send the fourth PC5 resource information to the first terminal, the fourth PC5 resource information is used to represent the fourth PC5 resource, and the fourth PC5 resource information is used for the first terminal to perform PC5 after the process of switching from the first base station to the second base station communication.
  • the PC5QoS information is used for the first terminal to perform PC5 interface communication before the process of switching from the first base station to the second base station
  • the second base station according to the PC5QoS information
  • Send the fourth PC5 resource information to the first terminal the fourth PC5 resource information is used to represent the fourth PC5 resource
  • the fourth PC5 resource information is used for the first terminal to perform PC5 after the process of switching from the first base station to the second base station communication.
  • the fourth PC5 resource may include at least one PC5 resource for the first terminal to perform PC5 interface communication after the process of switching from the first base station to the second base station.
  • the fourth PC5 resource includes the first PC5 resource.
  • the first terminal may select a PC5 resource information for communication through factors such as the quality and priority of the PC5 resource in the fourth PC5 resource.
  • the specific selection method is not limited in this application.
  • the second base station obtains the PC5QoS information of the first terminal, and the second base station determines whether the first terminal can continue to use the SLRB configuration of the first base station in the cell covered by it, and compares the SLRB configuration that can continue to be used with the first terminal.
  • the first PC5 resource allocated by the second base station for the first terminal that is, the fourth PC5 resource information, is sent to the first terminal.
  • FIG. 6 is a schematic flowchart of a method 600 for wireless communication according to an embodiment of the present application.
  • Method 600 may include the following steps.
  • the first terminal sends the first information to the first base station.
  • the first terminal sends measurement information to the first base station.
  • the first terminal may report the measurement information to the first base station. Specifically, the first terminal may periodically send measurement information to the first base station during the communication process.
  • the measurement information may include information such as the quality and strength of the radio resource channel used by the first terminal.
  • the first base station may select the second base station for the first terminal according to the measurement information reported by the first terminal, and this application does not limit the selection conditions of the second base station, and then the first terminal performs the process from the first base station to the second base station.
  • the handover process of the base station may be selected.
  • the first base station sends the first information to the second base station.
  • the first base station may send the first information to the second base station after receiving the first information.
  • the first base station may determine, according to the measurement information sent by the first terminal, that the first terminal needs to perform cell handover, and send the first information to the second base station.
  • the first base station may send a first request message to the second base station, where the first request message is used to request handover of the first terminal from the first base station to the second base station, and the first request message Include the above-mentioned first information.
  • the second base station allocates the first PC5 resource.
  • the second base station may allocate the first PC5 resource to the first terminal according to the first information.
  • first PC5 resource and the first PC5 resource information For the description of the first PC5 resource and the first PC5 resource information, reference may be made to the relevant description in the above S502. For brevity, this The application is not repeated here.
  • the second base station sends the first PC5 resource information to the first base station.
  • the first base station sends the first information to the access and mobility management node.
  • the first base station may send the first information to the access and mobility management node after receiving the first information.
  • the first base station determines, according to the measurement information sent by the first terminal, that the first terminal can perform cell Handover, sending the first information to the access and mobility management node.
  • the first base station may send a second request message to the access and mobility management node, where the second request message is used to request handover of the first terminal from the first base station to the second base station, the The second request message includes the above-mentioned first information.
  • the access and mobility management node sends the first information to the second base station.
  • the second base station allocates the first PC5 resource.
  • the second base station may allocate the first PC5 resource to the first terminal according to the first information.
  • first PC5 resource and the first PC5 resource information For the description of the first PC5 resource and the first PC5 resource information, reference may be made to the relevant description in the above S502. For brevity, this The application is not repeated here.
  • the second base station sends the first PC5 resource information to the access and mobility management node according to the first information.
  • the access and mobility management node sends the first PC5 resource information to the first base station.
  • the first base station sends the first PC5 resource information to the first terminal.
  • the first terminal device determines resource information of the first target PC5.
  • the first terminal sends PC5QoS information to the second base station.
  • the first terminal may send an RRC connection reconfiguration message to the second base station, where the RRC connection reconfiguration message includes PC5QoS information.
  • the first terminal and the second terminal can use the first target PC5 resource during the process of the first terminal switching from the first base station to the second base station. communication.
  • the second base station sends fourth PC5 resource information to the first terminal according to the PC5 QoS information.
  • the fourth PC5 resource information is used to represent the fourth PC5 resource
  • the fourth PC5 resource information is used for the first terminal to perform PC5 interface communication after the process of switching from the first base station to the second base station
  • the fourth PC5 resource may include At least one PC5 resource for the first terminal to perform PC5 interface communication after the process of handover from the first base station to the second base station.
  • the fourth PC5 resource includes the first PC5 resource.
  • the first terminal device determines resource information of the second target PC5.
  • the second target PC5 resource information is used to represent the second target resource
  • the first terminal can select a PC5 resource from the fourth PC5 resource as the second target PC5 resource
  • the second target PC5 resource is used by the first terminal in the PC5 interface communication is performed after the process of handover from one base station to the second base station.
  • the fourth PC5 resource when the fourth PC5 resource only includes a PC5 resource for the first terminal to perform PC5 interface communication after the process of switching from the first base station to the second base station, then select the PC5 resource as the second target PC5 resource to carry out. communication; or, when the fourth PC5 resource includes at least two PC5 resources for the first terminal to perform PC5 interface communication after the process of switching from the first base station to the second base station, the first terminal can A PC5 resource is selected as the second target PC5 resource for the first terminal to perform PC5 interface communication after the process of switching from the first base station to the second base station, specifically, according to the quality of each PC5 resource in the fourth PC5 resource or The priority is to select the second target PC5 resource, which is not limited in this application.
  • the first terminal may select a PC5 resource from the fourth PC5 resources to carry the data of the service according to the QoS requirement (parameter) corresponding to the data.
  • the QoS requirement parameter
  • the first terminal can judge whether the frequency band is occupied according to the occupancy rate of the 8 frequency bands monitored in the wireless information, or according to detecting the occupancy rate of the frequency band The channel quality is used to judge whether the frequency band can meet the QoS requirements.
  • one of the eight communication frequency bands may be selected for communication according to a certain criterion (which is not limited in this application).
  • the first terminal sends the second target PC5 resource information to the second terminal.
  • the first terminal and the second terminal can use the second target PC5 resource to perform the process after the first terminal switches from the first base station to the second base station communication.
  • the second base station can store the fourth PC5 resource information, so that the first terminal can directly use the PC5 resource information of the first terminal in the next handover process between base stations.
  • the second base station obtains the PC5 interface information of the first terminal including the SLRB configuration of the first terminal, and the second base station determines whether the first terminal can continue to use the SLRB configuration of the first base station in the cell covered by it, and The SLRB configuration that can continue to be used is sent to the first terminal together with the PC5 interface communication resources allocated for the first terminal by the second base station. Therefore, after the first terminal completes the handover, the original SLRB configuration can be continuously used, thereby reducing the resource overhead of signaling interaction or notification with the second terminal due to changing the PC5 communication resources.
  • the methods and operations implemented by the terminal device can also be implemented by components (such as chips or circuits) that can be used in the terminal device, and the methods and operations implemented by the network device can also be implemented by A component (eg, chip or circuit) implementation that can be used in a network device.
  • components such as chips or circuits
  • a component eg, chip or circuit
  • each network element such as a transmitting end device or a receiving end device, includes corresponding hardware structures and/or software modules for performing each function in order to realize the above-mentioned functions.
  • Those skilled in the art should realize that the present application can be implemented in hardware or a combination of hardware and computer software with the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein. Whether a function is performed by hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of this application.
  • the transmitting-end device or the receiving-end device may be divided into functional modules according to the foregoing method examples.
  • each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module. middle.
  • the above-mentioned integrated modules can be implemented in the form of hardware, and can also be implemented in the form of software function modules. It should be noted that, the division of modules in the embodiments of the present application is schematic, and is only a logical function division, and there may be other division manners in actual implementation. The following description will be given by taking as an example that each function module is divided corresponding to each function.
  • FIG. 7 is a schematic block diagram of a communication apparatus provided by an embodiment of the present application.
  • the communication device 700 includes a receiving unit 710 , a sending unit 720 and a processing unit 730 .
  • the receiving unit 710 can realize the communication function of receiving, the transmitting unit 720 can realize the communication function of sending, and the processing unit can realize the communication function of life and death processing.
  • the receiving unit 710 and the sending unit 720 may also be referred to as a communication interface or a communication unit.
  • the communication apparatus 700 may further include a storage unit, which may be used to store instructions and/or data, and the processing unit 730 may read the instructions and/or data in the storage unit, so that the communication apparatus implements the foregoing method Example.
  • a storage unit which may be used to store instructions and/or data
  • the processing unit 730 may read the instructions and/or data in the storage unit, so that the communication apparatus implements the foregoing method Example.
  • the processing unit 730 of the communication apparatus 700 may be implemented by at least one processor or a processor-related circuit.
  • the receiving unit 710 and the transmitting unit 720 may be implemented by a transceiver or a circuit related to the transceiver.
  • the receiving unit 710 and the transmitting unit 720 may also be referred to as communication units or communication interfaces.
  • the storage unit may be implemented by at least one memory.
  • the communication apparatus 700 may be configured to perform the actions performed by the terminal device in the above method embodiments.
  • the communication apparatus 700 may be a terminal device or a component that can be configured in the terminal device, and the receiving unit 710 is configured to perform the above method.
  • the sending unit 720 is configured to perform the sending-related operations on the terminal device side in the above method embodiments
  • the processing unit 730 is configured to perform the terminal device side processing in the above method embodiments related operations.
  • the communication apparatus 700 may be used to perform the actions performed by the network equipment in the above method embodiments.
  • the communication apparatus 700 may be a network equipment or a component that can be configured in the network equipment, and the receiving unit 710 is used to perform the above-mentioned actions.
  • the receiving-related operations on the network device side in the method embodiments described above are described, and the sending unit 720 is configured to perform the sending-related operations on the network device side in the above method embodiments.
  • the communication device 700 is configured to perform the actions performed by the first terminal in the embodiment shown in FIG. 5 above, and the receiving unit 710 is configured to: S503.
  • the communication device 700 is configured to perform the actions performed by the first terminal in the embodiment shown in FIG. 6 above, the receiving unit 710 is used for: S601, S610, and S613; the sending unit 720 is used for: S602, S603, S611, S612, S614; the processing unit 730 is used for: S613, S617.
  • the communication apparatus 700 is configured to perform the action performed by the second terminal in the embodiment shown in FIG. 6 above, and the receiving unit 710 is configured to: S612 and S614.
  • the communication apparatus 700 may implement steps or processes corresponding to the first terminal or the second terminal in the method 500 and the method 600 according to the embodiments of the present application.
  • the communication apparatus 700 may include a method for performing the method 500 and Elements of the method performed by the first terminal or the second terminal in the method 600 in FIG. 6 .
  • each unit in the communication device 700 and the other operations and/or functions mentioned above are to implement the corresponding flow of the method 500 in FIG. 5 and the method 600 in FIG. 6 , respectively.
  • the receiving unit 710 can be used to execute the step 503 in the method 500 .
  • the receiving unit 710 can be used to perform steps 601 , 610 , and 613 in the method 600
  • the sending unit 720 can be used to perform steps 602 , 613 of the method 600
  • the processing unit 730 may be configured to perform steps 612 , 614 in the method 600 .
  • the communication apparatus 700 is configured to perform the actions performed by the first base station in the embodiment shown in FIG. 5 above, the receiving unit 710 is used for: S502; the sending unit 720 is used for: S501 and S503.
  • the communication apparatus 700 is configured to perform the actions performed by the second base station in the above embodiment shown in FIG. 5 , the receiving unit 710 is used for: S501 ; the sending unit 720 is used for: S502 .
  • the communication device 700 is configured to perform the actions performed by the first base station in the embodiment shown in FIG. 6 above, the receiving unit 710 is configured to: S602, S603, S605, and S609; the sending unit 720 is configured to: S601, S604, S606, S610.
  • the communication apparatus 700 may implement steps or processes corresponding to the first base station or the second base station in the method 500 and the method 600 according to the embodiments of the present application, and the communication apparatus 700 may include a method for performing the method 500 and Elements of the method performed by the first base station or the second base station in the method 600 in FIG. 6 .
  • each unit in the communication device 700 and the other operations and/or functions mentioned above are to implement the corresponding flow of the method 500 in FIG. 5 and the method 600 in FIG. 6 , respectively.
  • an embodiment of the present application further provides a communication apparatus 800 .
  • the communication device 800 includes a processor 810, the processor 810 is coupled with a memory 820, the memory 820 is used for storing computer programs or instructions and/or data, the processor 810 is used for executing the computer programs or instructions and/or data stored in the memory 820, The methods in the above method embodiments are caused to be executed.
  • the communication apparatus 800 includes one or more processors 810 .
  • the communication apparatus 800 may further include a memory 820 .
  • the memory 820 may be integrated with the processor 810, or provided separately.
  • the communication apparatus 800 may further include a transceiver 830, and the transceiver 830 is used for signal reception and/or transmission.
  • the processor 810 is used to control the transceiver 830 to receive and/or transmit signals.
  • the communication apparatus 800 is configured to implement the operations performed by the first terminal or the second terminal in the above method embodiments.
  • the processor 810 is configured to implement the processing-related operations performed by the first terminal or the second terminal in the above method embodiments
  • the transceiver 830 is configured to implement the above method embodiments performed by the first terminal or the second terminal The sending and receiving related operations.
  • the processor 810 is configured to implement the processing-related operations performed by the first base station or the second base station in the above method embodiments
  • the transceiver 830 is used to implement the above method embodiments performed by the first base station or the second base station The sending and receiving related operations.
  • An embodiment of the present application further provides a communication apparatus 900, where the communication apparatus 900 may be a terminal device or a chip.
  • the communication apparatus 900 may be configured to perform the operations performed by the first terminal and the second terminal in the foregoing method embodiments.
  • FIG. 9 shows a schematic structural diagram of a simplified terminal device.
  • the terminal device includes a processor, a memory, a radio frequency circuit, an antenna, and an input and output device.
  • the processor is mainly used to process communication protocols and communication data, control terminal equipment, execute software programs, and process data of software programs.
  • the memory is mainly used to store software programs and data.
  • the radio frequency circuit is mainly used for the conversion of the baseband signal and the radio frequency signal and the processing of the radio frequency signal.
  • Antennas are mainly used to send and receive radio frequency signals in the form of electromagnetic waves.
  • Input and output devices such as touch screens, display screens, and keyboards, are mainly used to receive data input by users and output data to users. It should be noted that some types of terminal equipment may not have input and output devices.
  • the processor When there is data to be sent, the processor performs baseband processing on the data to be sent, and outputs the baseband signal to the radio frequency circuit.
  • the radio frequency circuit performs radio frequency processing on the baseband signal and sends the radio frequency signal through the antenna in the form of electromagnetic waves.
  • the radio frequency circuit receives the radio frequency signal through the antenna, converts the radio frequency signal into a baseband signal, and outputs the baseband signal to the processor, which converts the baseband signal into data and processes the data.
  • the memory may also be referred to as a storage medium or a storage device or the like.
  • the memory may be set independently of the processor, or may be integrated with the processor, which is not limited in this embodiment of the present application.
  • the antenna and the radio frequency circuit with a transceiver function may be regarded as a transceiver unit of the terminal device, and the processor with a processing function may be regarded as a processing unit of the terminal device.
  • the terminal device includes a transceiver unit 910 and a processing unit 920 .
  • the transceiver unit 910 may also be referred to as a transceiver, a transceiver, a transceiver, or the like.
  • the processing unit 920 may also be referred to as a processor, a processing board, a processing module, a processing device, or the like.
  • the device for implementing the receiving function in the transceiver unit 910 may be regarded as a receiving unit, and the device for implementing the transmitting function in the transceiver unit 910 may be regarded as a transmitting unit, that is, the transceiver unit 910 includes a receiving unit and a transmitting unit.
  • the transceiver unit may also sometimes be referred to as a transceiver, a transceiver, or a transceiver circuit.
  • the receiving unit may also sometimes be referred to as a receiver, receiver, or receiving circuit, or the like.
  • the transmitting unit may also sometimes be referred to as a transmitter, a transmitter, or a transmitting circuit, or the like.
  • FIG. 9 is only an example and not a limitation, and the above-mentioned terminal device including a transceiver unit and a processing unit may not depend on the structure shown in FIG. 9 .
  • the chip When the communication device 900 is a chip, the chip includes a transceiver unit and a processing unit.
  • the transceiver unit may be an input/output circuit or a communication interface
  • the processing unit may be a processor, a microprocessor or an integrated circuit integrated on the chip.
  • FIG. 10 shows a simplified schematic diagram of the structure of a base station.
  • the base station includes part 1010 and part 1020.
  • the 1010 part is mainly used for transmitting and receiving the radio frequency signal and the conversion of the radio frequency signal and the baseband signal; the 1020 part is mainly used for the baseband processing, controlling the base station, etc.
  • the 1010 part may generally be referred to as a transceiver unit, a transceiver, a transceiver circuit, or a transceiver.
  • the 1020 part is usually the control center of the base station, which may be generally referred to as a processing unit, and is used to control the base station to perform the processing operations on the network device side in the foregoing method embodiments.
  • the transceiver unit of part 1010 which may also be called a transceiver or a transceiver, etc., includes an antenna and a radio frequency circuit, where the radio frequency circuit is mainly used for radio frequency processing.
  • the device used for implementing the receiving function in part 1010 may be regarded as a receiving unit
  • the device used for implementing the sending function may be regarded as a sending unit, that is, part 1010 includes a receiving unit and a sending unit.
  • the receiving unit may also be referred to as a receiver, a receiver, or a receiving circuit, and the like
  • the transmitting unit may be referred to as a transmitter, a transmitter, or a transmitting circuit, and the like.
  • Section 1020 may include one or more single boards, each of which may include one or more processors and one or more memories.
  • the processor is used to read and execute the program in the memory to realize the baseband processing function and control the base station. If there are multiple boards, each board can be interconnected to enhance the processing capability.
  • one or more processors may be shared by multiple boards, or one or more memories may be shared by multiple boards, or one or more processors may be shared by multiple boards at the same time. device.
  • the transceiver unit in part 1010 is used to perform the steps related to the transmission and reception performed by the first base station and the second base station in the embodiment shown in FIG. 6 ; part 1020 is used to perform the implementation shown in FIG. 6 . Examples of steps related to processing performed by the first base station and the second base station.
  • FIG. 10 is only an example and not a limitation, and the above-mentioned network device including a transceiver unit and a processing unit may not depend on the structure shown in FIG. 10 .
  • the chip When the communication device 1000 is a chip, the chip includes a transceiver unit and a processing unit.
  • the transceiver unit may be an input/output circuit or a communication interface;
  • the processing unit may be a processor, a microprocessor or an integrated circuit integrated on the chip.
  • Embodiments of the present application further provide a computer-readable storage medium, on which computer instructions for implementing the method executed by the terminal device or the method executed by the network device in the foregoing method embodiments are stored.
  • the computer when the computer program is executed by a computer, the computer can implement the method executed by the terminal device or the method executed by the network device in the above method embodiments.
  • Embodiments of the present application further provide a computer program product including instructions, which, when executed by a computer, cause the computer to implement the method executed by the terminal device or the method executed by the network device in the above method embodiments.
  • An embodiment of the present application further provides a communication system, where the communication system includes the network device and the terminal device in the above embodiments.
  • aspects or features of the present application may be implemented as methods, apparatus, or articles of manufacture using standard programming and/or engineering techniques.
  • article of manufacture as used herein may encompass a computer program accessible from any computer-readable device, carrier or media.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer, or a data storage device such as a server, data center, etc., which includes one or more available mediums integrated.
  • Useful media may include, but are not limited to, magnetic media or magnetic storage devices (eg, floppy disks, hard disks (eg, removable hard disks), magnetic tapes), optical media (eg, optical disks, compact discs) , CD), digital versatile disc (digital versatile disc, DVD), etc.), smart cards and flash memory devices (for example, erasable programmable read-only memory (EPROM), card, stick or key drive, etc. ), or semiconductor media (such as solid state disk (SSD), etc., U disk, read-only memory (ROM), random access memory (RAM), etc. that can store programs medium of code.
  • SSD solid state disk
  • the processor is a general-purpose processor, DSP, ASIC, FPGA or other programmable logic devices, discrete gate or transistor logic devices, or discrete hardware components
  • the memory storage module
  • memory described herein is intended to include, but not be limited to, these and any other suitable types of memory.
  • the disclosed apparatus and method may be implemented in other manners.
  • the apparatus embodiments described above are only illustrative.
  • the division of the above-mentioned units is only a logical function division.
  • multiple units or components may be combined or may be Integration into another system, or some features can be ignored, or not implemented.
  • the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, which may be in electrical, mechanical or other forms.
  • the computer program product includes one or more computer instructions.
  • the computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer may be a personal computer, a server, or a network device or the like.
  • Computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from a website site, computer, server, or data center over a wire (e.g.
  • coaxial cable fiber optic, digital subscriber line (DSL)) or wireless (eg, infrared, wireless, microwave, etc.) to another website site, computer, server, or data center.
  • DSL digital subscriber line
  • wireless eg, infrared, wireless, microwave, etc.

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Abstract

本申请实施例提供了一种无线通信的方法,包括:第一基站向第二基站发送第一信息,该第一信息用于第一终端在从该第一基站切换至该第二基站的过程之前进行PC5接口通信;该第一基站接收第一PC5资源信息,该第一PC5资源信息用于表征第一PC5资源,该第一PC5资源用于该第一终端在从该第一基站切换至该第二基站的过程中进行PC5接口通信;该第一基站向该第一终端发送该第一PC5资源信息。基于上述方案,第二基站可以在获取第一终端的第一信息的情况下,为第一终端分配进行通信的第一PC5资源,避免出现第二基站分配的PC5资源不合适的情况。

Description

一种无线通信的方法及其装置
本申请要求于2020年12月31日提交中国国家知识产权局、申请号为202011635528.8、申请名称为“一种无线通信的方法及其装置”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信领域,尤其涉及一种无线通信的方法及其装置。
背景技术
为了将移动网络的功能更丰富,移动网络增加了对V2X通信的支持。而随着下一代移动网络的发展,未来的V2X通信可以支持更多的车联网应用场景,包括车辆组队、传感器扩展、远程驾驶和自动驾驶增强等。V2X通信可以采用两种通信方式:Uu接口的V2X通信方式,以及基于PC5接口的V2X通信。其中,基于PC5接口的V2X通信使用的是PC5接口的通信资源,也可以称为侧链路资源。该侧链路资源是由基站分配的。
目前,基站在为V2X UE分配的侧链路资源时,无法获知V2X UE的业务的QoS需求信息,因此,可能发生所分配的资源无法满足V2X UE的通信需求。此外,由于车辆的移动特性,在车辆行驶过程中可能频繁发生小区切换,那么就需要多个基站进行资源协调以为该V2X UE分配侧链路资源。多个小区可以使用同一个频段的侧链路资源。这样可以避免车辆由于移动性而发生的频繁资源切换问题,也降低了侧链路的通信信令开销。因此,本申请在PC5接口的切换过程中,设计了一种方法以实现侧链路资源优化。
发明内容
本申请实施例提供了一种无线通信的方法及其装置,使得第二基站(目标基站)可以在终端设备切换基站的过程中,提前为终端设备配置用于目的小区的PC5通信资源,避免因目标基站无法获得终端设备的PC5接口信息,导致终端设备在切换目标基站分配的PC5资源可能无法满足终端设备间的PC5通信需求的问题。
第一方面,本申请提供了一种无线通信的方法,该方法包括:第一基站向第二基站发送第一信息,该第一信息用于第一终端在从该第一基站切换至该第二基站的过程之前进行PC5接口通信;该第一基站接收第一PC5资源信息,该第一PC5资源信息用于表征第一PC5资源,该第一PC5资源用于该第一终端在从该第一基站切换至该第二基站的过程中进行PC5接口通信;该第一基站向该第一终端发送该第一PC5资源信息。
通过上述技术方案,使得第一基站将第一终端的PC5接口信息(包括QoS信息、SLRB配置、物理层信道资源信息、通信方式等)发送给第二基站,使得第二基站可以在第一终端切换过程中提前为第一终端配置用于目的小区的PC5通信资源,避免在切换后第二基站分配的PC5资源可能无法满足终端设备间的PC5通信需求的问题。
结合第一方面,在第一方面的某些实现方式中,该第一PC5资源包括至少一个用于该第一终端在从该第一基站切换至该第二基站的过程中进行PC5接口通信的PC5资源。
具体地,当第一PC5资源只包括一个用于第一终端在切换基站过程中进行PC5接口通信的PC5资源时,则选择该资源进行通信;当第一PC5资源包括至少两个用于第一终端在切换基站过程中进行PC5接口通信的PC5资源时,根据第一PC5资源中每个PC5资源的质量、优先级等因素,确定一个PC5资源进行通信。其中,具体的判定方式,本申请在此不做限定。
结合第一方面,在第一方面的某些实现方式中,该第一信息包括以下至少一种信息:PC5QoS信息,以及第二PC5资源信息;其中,该第二PC5资源信息用于表征第二PC5资源,该第二PC5资源包括至少一个用于该第一终端在从该第一基站切换至该第二基站的过程之前进行PC5接口通信的PC5资源。
结合第一方面,在第一方面的某些实现方式中,该第一基站发送第一信息,包括:该第一基站向该第二基站发送第一请求消息,该第一请求消息包括该第一信息,该第一请求消息用于请求将该第一终端从该第一基站切换至该第二基站;该第一基站接收第一PC5资源信息,包括:该第一基站接收来自该第二基站的第一请求响应消息,该第一请求响应消息包括该第一PC5资源信息。
结合第一方面,在第一方面的某些实现方式中,该第一基站发送第一信息,包括:该第一基站向接入和移动性管理节点发送第二请求消息,该第二请求消息包括该第一信息,该第二请求消息用于请求将该第一终端从该第一基站切换至该第二基站;该第一基站接收第一PC5资源信息,包括:该第一基站接收来自该接入和移动性管理节点的该第二请求响应消息,该第二请求响应消息包括该第一PC5资源信息。
通过上述技术方案,通过接入和移动性管理节点对第一基站和第二基站之间的第一信息的转发,第二基站可以获得第一基站发送的第一信息,提前为第一终端准备相应的PC5通信资源。
结合第一方面,在第一方面的某些实现方式中,该第一基站接收来自该第一终端的该第一信息。
结合第一方面,在第一方面的某些实现方式中,该第一基站向该第一终端发送指示信息,该指示信息用于指示上报该第一信息。
第二方面,提供了一种无线通信的方法,该方法包括:第二基站接收第一信息,该第一信息用于第一终端在从第一基站切换至该第二基站的过程之前进行PC5接口通信;该第二基站根据该第一信息,发送第一PC5资源信息,该第一PC5资源信息用于表征第一PC5资源,该第一PC5资源用于该第一终端在从该第一基站切换至该第二基站的过程中进行PC5接口通信。
通过上述技术方案,第二基站接收第一终端的PC5接口信息(包括QoS信息、SLRB配置、物理层信道资源信息、通信方式等),使得第二基站可以在第一终端切换过程中提前为第一终端配置用于目的小区的PC5通信资源,避免在切换后第二基站分配的PC5资源可能无法满足终端设备间的PC5通信需求的问题。
结合第二方面,在第二方面的某些实现方式中,该第一信息包括以下至少一种:PC5QoS信息,以及第二PC5资源信息;其中,该第二PC5资源信息用于表征第二PC5资源, 该第二PC5资源包括至少一个用于该第一终端在从该第一基站切换至该第二基站的过程之前进行PC5接口通信的PC5资源。
结合第二方面,在第二方面的某些实现方式中,该第一PC5资源包括至少一个用于该第一终端在从该第一基站切换至该第二基站的过程中进行PC5接口通信的PC5资源。
结合第二方面,在第二方面的某些实现方式中,该第二基站根据该第一信息,发送第一PC5资源信息,包括:该第二基站根据该第一信息,为该第一终端分配该第一PC5资源;该第二基站发送该第一PC5资源信息。
通过上述方案,第二基站在得知第一终端的第一信息的情况下,为第一终端分配第一PC5资源信息,从而可以避免第二基站为第一终端配置的PC5资源信息不合适的问题。
结合第二方面,在第二方面的某些实现方式中,该第一信息包括该PC5QoS信息和该第二PC5资源信息,该第二基站根据该第一信息,为该第一终端分配该第一PC5资源,包括:该第二基站根据该第一终端的PC5QoS信息,确定第三PC5资源信息,该第三PC5资源信息用于表征第三PC5资源;该第二基站根据该第二PC5资源信息和该第三PC5资源,为该第一终端分配该第一PC5资源,该第一PC5资源包含于该第二PC5资源和该第三PC5资源。
应理解,第三PC5资源信息为第二基站根据第一信息生成的PC5资源信息,第一PC5资源可以为第二PC5资源信息与第三PC5资源信息的交集部分,也可以为第三PC5资源信息以及部分第二PC5资源信息,本申请在此不做限定。
结合第二方面,在第二方面的某些实现方式中,该第一信息包括该第二PC5资源信息,该第二基站根据该第一信息,为该第一终端分配该第一PC5资源,包括:该第二基站根据该第二PC5资源信息,为该第一终端分配所述第一PC5资源,该第一PC5资源包含于该第二PC5资源。
结合第二方面,在第二方面的某些实现方式中,该第二基站接收第一信息,包括:该第二基站接收来自该第一基站的该第一请求信息,该第一请求消息包括该第一信息,该第一请求消息用于请求将该第一终端从该第一基站切换至该第二基站;该第二基站根据该第一信息,发送第一PC5资源信息,包括:该第二基站根据该第一信息,向该第一基站发送第一请求响应消息,该第一请求响应消息包括该第一PC5资源信息。
结合第二方面,在第二方面的某些实现方式中,该第二基站接收第一信息,包括:该第二基站接收来自接入和移动性管理节点的第二请求消息,该第二请求消息包括该第一信息,该第二请求消息用于请求将该第一终端从该第一基站切换至该第二基站;该第二基站根据该第一信息,发送第一PC5资源信息,包括:该第二基站根据该第一信息,向该接入和移动性管理节点发送第二请求响应消息,该第二请求响应消息包括该第一PC5资源信息。
结合第二方面,在第二方面的某些实现方式中,所述第二基站接收来自该第一终端的该PC5QoS信息,该PC5QoS信息用于该第一终端在从该第一基站切换至该第二基站的过程之前进行PC5接口通信;该第二基站根据该PC5QoS信息,向该第一终端发送第四PC5资源信息,该第四PC5资源信息用于表征第四PC5资源,该第四PC5资源信息用于该第一终端在从该第一基站切换至该第二基站的过程之后进行PC5接口通信。
结合第二方面,在第二方面的某些实现方式中,该第四PC5资源包括至少一个用于该第一终端在从该第一基站切换至该第二基站的过程之后进行PC5接口通信的PC5资源。
结合第二方面,在第二方面的某些实现方式中,该第四PC5资源包括该第一PC5资源。
第三方面,提供了一种无线通信的方法,该方法包括:第一终端接收来自第一基站的第一PC5资源信息,该第一PC5资源信息用于表征第一PC5资源,该第一PC5资源用于该第一终端在从该第一基站切换至第二基站的过程中进行PC5接口通信;该第一终端根据该第一PC5资源信息,在从该第一基站切换至该第二基站的过程中进行PC5接口通信。
通过上述技术方案,第一终端接收第一基站发送的第一PC5资源信息,该PC5资源信息是第二基站根据第一终端的PC5接口信息(包括QoS信息、SLRB配置、物理层信道资源信息、通信方式等)为第一终端进行配置的用于目的小区的PC5通信资源,避免了在切换后第二基站分配的PC5资源可能无法满足终端设备间的PC5通信需求的问题。
结合第三方面,在第三方面的某些实现方式中,当该第一PC5资源包括至少两个用于该第一终端在从该第一基站切换至该第二基站的过程中进行PC5接口通信的PC5资源时,该第一终端根据该第一PC5资源信息,在从该第一基站切换至该第二基站的过程中进行PC5接口通信,包括:该第一终端在该第一PC5资源中选择一个PC5资源;该第一终端使用该选择的一个PC5资源,在从该第一基站切换至该第二基站的过程中进行PC5接口通信。
具体地,当第一PC5资源只包括一个用于第一终端在切换基站过程中进行PC5接口通信的PC5资源时,则选择该资源进行通信;当第一PC5资源包括至少两个用于第一终端在切换基站过程中进行PC5接口通信的PC5资源时,根据第一PC5资源中每个PC5资源的质量、优先级等因素,确定一个PC5资源进行通信。其中,具体的判定方式,本申请在此不做限定。
结合第三方面,在第三方面的某些实现方式中,该第一终端向该第一基站发送第一信息,该第一信息用于第一终端在从该第一基站切换至第二基站的过程之前进行PC5接口通信。
结合第三方面,在第三方面的某些实现方式中,该第一终端接收来自该第一基站的指示信息,该指示信息用于指示上报该第一信息。
结合第三方面,在第三方面的某些实现方式中,该第一终端向第二终端发送目标资源信息,该目标资源信息用于表征该选择的一个PC5资源。
结合第三方面,在第三方面的某些实现方式中,该第一终端向该第二基站发送PC5QoS信息,该PC5QoS信息用于该第一终端在从该第一基站切换至该第二基站的过程之前进行PC5接口通信;该第一终端接收来自该第二基站的第四PC5资源信息,该第四PC5资源信息用于表征第四PC5资源,该第四PC5资源信息用于该第一终端在从该第一基站切换至该第二基站的过程之后进行PC5接口通信。
结合第三方面,在第三方面的某些实现方式中,该第四PC5资源包括至少一个用于该第一终端在从该第一基站切换至该第二基站的过程之后进行PC5接口通信的PC5资源。
具体地,当第四PC5资源只包括一个用于第一终端完成切换基站之后进行PC5接口通信的PC5资源时,则选择该资源进行通信;当第四PC5资源包括至少两个用于第一终端在完成切换基站之后进行PC5接口通信的PC5资源时,根据第四PC5资源中每个PC5资源的质量、优先级等因素,确定一个PC5资源进行通信。其中,具体的判定方式,本申 请在此不做限定。
结合第三方面,在第三方面的某些实现方式中,该第四PC5资源包括该第一PC5资源。
第四方面,提供了一种无线通信的装置,该装置包括:
发送模块,用于向第二基站发送第一信息,该第一信息用于第一终端在从该第一基站切换至该第二基站的过程之前进行PC5接口通信;接收模块,用于接收第一PC5资源信息,该第一PC5资源信息用于表征第一PC5资源,该第一PC5资源用于该第一终端在从该第一基站切换至该第二基站的过程中进行PC5接口通信;该发送模块,还用于向该第一终端发送该第一PC5资源信息。
基于上述方案的有益效果,可以参考第一方面的相应描述,为了简洁,本申请在此不再赘述。
结合第四方面,在第四方面的某些实现方式中,该第一PC5资源包括至少一个用于该第一终端在从该第一基站切换至该第二基站的过程中进行PC5接口通信的PC5资源。
结合第四方面,在第四方面的某些实现方式中,该第一信息包括以下至少一种信息:PC5QoS信息,以及第二PC5资源信息;其中,该第二PC5资源信息用于表征第二PC5资源,该第二PC5资源包括至少一个用于该第一终端在从该第一基站切换至该第二基站的过程之前进行PC5接口通信的PC5资源。
结合第四方面,在第四方面的某些实现方式中,该发送模块具体用于:向该第二基站发送第一请求消息,该第一请求消息包括该第一信息,该第一请求消息用于请求将该第一终端从该第一基站切换至该第二基站;接收来自该第二基站的第一请求响应消息,该第一请求响应消息包括该第一PC5资源信息。
结合第四方面,在第四方面的某些实现方式中,该发送模块还具体用于:向接入和移动性管理节点发送第二请求消息,该第二请求消息包括该第一信息,该第二请求消息用于请求将该第一终端从该第一基站切换至该第二基站;接收来自该接入和移动性管理节点的该第二请求响应消息,该第二请求响应消息包括该第一PC5资源信息。
结合第四方面,在第四方面的某些实现方式中,该接收模块还具体用于:接收来自该第一终端的该第一信息。
结合第四方面,在第四方面的某些实现方式中,该发送模块还具体用于:向该第一终端发送指示信息,该指示信息用于指示上报该第一信息。
第五方面,提供了一种无线通信的装置,该装置包括:接收模块,用于接收第一信息,该第一信息用于第一终端在从第一基站切换至该第二基站的过程之前进行PC5接口通信;发送模块,用于根据该第一信息,发送第一PC5资源信息,该第一PC5资源信息用于表征第一PC5资源,该第一PC5资源用于该第一终端在从该第一基站切换至该第二基站的过程中进行PC5接口通信。
基于上述方案的有益效果,可以参考第二方面的相应描述,为了简洁,本申请在此不再赘述。
结合第五方面,在第五方面的某些实现方式中,该第一信息包括以下至少一种:PC5QoS信息,以及第二PC5资源信息;其中,该第二PC5资源信息用于表征第二PC5资源,该第二PC5资源包括至少一个用于该第一终端在从该第一基站切换至该第二基站的过程 之前进行PC5接口通信的PC5资源。
结合第五方面,在第五方面的某些实现方式中,该第一PC5资源包括至少一个用于该第一终端在从该第一基站切换至该第二基站的过程中进行PC5接口通信的PC5资源。
结合第五方面,在第五方面的某些实现方式中,该装置还包括:处理模块,用于根据该第一信息,为该第一终端分配该第一PC5资源;该发送模块,还用于发送该第一PC5资源信息。
结合第五方面,在第五方面的某些实现方式中,该处理模块,还用于根据该PC5QoS信息,确定第三PC5资源信息,该第三PC5资源信息用于表征第三PC5资源;根据该第二PC5资源信息和该第三PC5资源,为该第一终端分配该第一PC5资源,该第一PC5资源包含于该第二PC5资源和该第三PC5资源。
结合第五方面,在第五方面的某些实现方式中,该处理模块,还用于根据该第二PC5资源信息,为该第一终端分配所述第一PC5资源,该第一PC5资源包含于该第二PC5资源。
结合第五方面,在第五方面的某些实现方式中,该接收模块,还用于:接收来自该第一基站的该第一请求信息,该第一请求消息包括该第一信息,该第一请求消息用于请求将该第一终端从该第一基站切换至该第二基站;该发送模块,还用于根据该第一信息,向该第一基站发送第一请求响应消息,该第一请求响应消息包括该第一PC5资源信息。
结合第五方面,在第五方面的某些实现方式中,该接收模块,还用于:接收来自接入和移动性管理节点的第二请求消息,该第二请求消息包括该第一信息,该第二请求消息用于请求将该第一终端从该第一基站切换至该第二基站;该发送模块,还用于根据该第一信息,向该第一基站发送第一请求响应消息,该第一请求响应消息包括该第一PC5资源信息。
结合第五方面,在第五方面的某些实现方式中,该接收模块,还用于:接收来自该第一终端的该PC5QoS信息,该PC5QoS信息用于该第一终端在从该第一基站切换至该第二基站的过程之前进行PC5接口通信;该发送模块,还用于根据该PC5QoS信息,向该第一终端发送第四PC5资源信息,该第四PC5资源信息用于表征第四PC5资源,该第四PC5资源信息用于该第一终端在从该第一基站切换至该第二基站的过程之后进行PC5接口通信。
结合第五方面,在第五方面的某些实现方式中,该第四PC5资源包括至少一个用于该第一终端在从该第一基站切换至该第二基站的过程之后进行PC5接口通信的PC5资源。
结合第五方面,在第五方面的某些实现方式中,该第四PC5资源包括该第一PC5资源。
第六方面,提供了一种无线通信的装置,该装置包括:
接收模块,用于接收来自第一基站的第一PC5资源信息,该第一PC5资源信息用于表征第一PC5资源,该第一PC5资源用于该第一终端在从该第一基站切换至第二基站的过程中进行PC5接口通信。
基于上述方案的有益效果,可以参考第三方面的相应描述,为了简洁,本申请在此不再赘述。
结合第六方面,在第六方面的某些实现方式中,当该第一PC5资源包括至少两个用于该第一终端在从该第一基站切换至该第二基站的过程中进行PC5接口通信的PC5资源时, 该装置还包括:处理模块,用于在该第一PC5资源中选择一个PC5资源;使用该选择的一个PC5资源,在从该第一基站切换至该第二基站的过程中进行PC5接口通信。
结合第六方面,在第六方面的某些实现方式中,该发送模块具体用于:向该第一基站发送第一信息,该第一信息用于第一终端在从该第一基站切换至第二基站的过程之前进行PC5接口通信。
结合第六方面,在第六方面的某些实现方式中,该接收模块还具体用于:接收来自该第一基站的指示信息,该指示信息用于指示上报该第一信息。
结合第六方面,在第六方面的某些实现方式中,该发送模块还具体用于:向第二终端发送目标资源信息,该目标资源信息用于表征该选择的一个PC5资源
结合第六方面,在第六方面的某些实现方式中,该发送模块,还具体用于向该第二基站发送PC5QoS信息,该PC5QoS信息用于该第一终端在从该第一基站切换至该第二基站的过程之前进行PC5接口通信;该接收模块,还具体用于接收来自该第二基站的第四PC5资源信息,该第四PC5资源信息用于表征第四PC5资源,该第四PC5资源信息用于该第一终端在从该第一基站切换至该第二基站的过程之后进行PC5接口通信。
结合第六方面,在第六方面的某些实现方式中,该第四PC5资源包括至少一个用于该第一终端在从该第一基站切换至该第二基站的过程之后进行PC5接口通信的PC5资源。
结合第六方面,在第六方面的某些实现方式中,该第四PC5资源包括该第一PC5资源。
第七方面,提供一种通信装置,包括处理器。该处理器与存储器耦合,可用于执行存储器中的指令,以实现上述第一方面至第三方面以及第一方面至第三方面中任一种可能实现方式中的通信方法。可选地,该通信装置还包括存储器。可选地,该通信装置还包括通信接口,处理器与通信接口耦合,所述通信接口用于输入和/或输出信息。所述信息包括指令和数据中的至少一项。
在一种实现方式中,该通信装置为终端设备。当该通信装置为终端设备时,所述通信接口可以是收发器,或,输入/输出接口。
在另一种实现方式中,该通信装置为芯片或芯片系统。当该通信装置为芯片或芯片系统时,所述通信接口可以是输入/输出接口可以是该芯片或芯片系统上的输入/输出接口、接口电路、输出电路、输入电路、管脚或相关电路等。所述处理器也可以体现为处理电路或逻辑电路。
在另一种实现方式中,该通信装置为配置于终端设备中的芯片或芯片系统。
可选地,所述收发器可以为收发电路。可选地,所述输入/输出接口可以为输入/输出电路。
第八方面,提供一种通信装置,包括处理器。该处理器与存储器耦合,可用于执行存储器中的指令,以实现上述第一方面至第三方面以及第一方面至第三方面中任一种可能实现方式中的通信方法。可选地,该通信装置还包括存储器。可选地,该通信装置还包括通信接口,处理器与通信接口耦合,所述通信接口用于输入和/或输出信息。所述信息包括指令和数据中的至少一项。
在一种实现方式中,该通信装置为网络设备。当该通信装置为网络设备时,所述通信接口可以是收发器,或,输入/输出接口。
在另一种实现方式中,该通信装置为芯片或芯片系统。当该通信装置为芯片或芯片系统时,所述通信接口可以是该芯片或芯片系统上的输入/输出接口、接口电路、输出电路、输入电路、管脚或相关电路等。所述处理器也可以体现为处理电路或逻辑电路。
在另一种实现方式中,该通信装置为配置于网络设备中的芯片或芯片系统。
可选地,所述收发器可以为收发电路。可选地,所述输入/输出接口可以为输入/输出电路。
第九方面,提供一种计算机可读存储介质,其上存储有计算机程序,所述计算机程序被通信装置执行时,使得所述通信装置实现第一方面至第三方面,以及第一方面至第三方面的任一可能的实现方式中的通信方法。
第十方面,提供一种计算机可读存储介质,其上存储有计算机程序,所述计算机程序被通信装置执行时,使得所述通信装置实现第一方面至第三方面,以及第一方面至第三方面的任一可能的实现方式中的通信方法。
第十一方面,提供一种包含指令的计算机程序产品,所述指令被计算机执行时使得通信装置实现第一方面至第三方面提供的通信方法。
第十二方面,提供一种包含指令的计算机程序产品,所述指令被计算机执行时使得通信装置实现第一方面至第三方面提供的通信方法。
第十三方面,提供了一种通信系统,包括前述的网络设备和终端设备。
附图说明
图1示出了一种适用于本申请实施例的5G V2X通信系统的一架构图。
图2示出了一种适用于本申请实施例的无线接入侧的一架构图。
图3示出了一种适用于本申请实施例的单播通信的一示意性流程图。
图4示出了一种适用于本实施例的终端设备进行小区切换的一示意性流程图。
图5示出了一种本申请实施例提供的无线通信的方法500的一示意性流程图。
图6示出了一种本申请实施例提供的无线通信的方法600的一示意性流程图。
图7示出了一种本申请实施例的通信装置的一种示意性框图。
图8示出了一种本申请实施例的通信装置的一种示意性架构图。
图9示出了一种本申请实施例的通信装置的一种示意性架构图。
图10示出了一种本申请实施例的通信装置的一种示意性架构图。
具体实施方式
下面将结合附图,对本申请中的技术方案进行描述。
第五代(the Fifth-Generation,5G)移动通信技术新无线(New Radio,NR),是基于正交频分复用(Orthogonal Frequency Division Multiplexing,OFDM)的全新空口设计的全球性5G标准,也是下一代非常重要的蜂窝移动技术基础,5G技术的业务非常多样,可以面向增强型移动宽带(Enhanced Mobile Broadband,eMBB)业务、超可靠低延时通信(Ultra-Reliability Low-Latency Communication,URLLC)业务以及大规模机器通信(Massive Machine-Type Communication,mMTC)业务,其中mMTC业务例如可以是工业无线传感器网络(Industrial Wireless Sensor Network,IWSN)业务,视频监控(Video  Surveillance)业务,以及可穿戴(Wearables)业务。
本申请实施例的技术方案可以应用于各种通信系统,例如:全球移动通讯(Global System of Mobile communication,GSM)系统、码分多址(Code Division Multiple Access,CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access,WCDMA)系统、通用分组无线业务(General Packet Radio Service,GPRS)、长期演进(Long Term Evolution,LTE)系统、LTE频分双工(Frequency Division Duplex,FDD)系统、LTE时分双工(Time Division Duplex,TDD)、通用移动通信系统(Universal Mobile Telecommunication System,UMTS)、全球互联微波接入(Worldwide Interoperability for Microwave Access,WiMAX)通信系统、未来的第五代(5th Generation,5G)系统或新无线(New Radio,NR)等。
通常来说,传统的通信系统支持的连接数有限,也易于实现,然而,随着通信技术的发展,移动通信系统将不仅支持传统的通信,还将支持例如,设备到设备(Device to Device,D2D)通信,机器到机器(Machine to Machine,M2M)通信,机器类型通信(Machine Type Communication,MTC),车联网(Vehicle To Everything,V2X)通信,例如,车到车(Vehicle to Vehicle,V2V)通信、车到基础设施(Vehicle to Infrastructure,V2I)通信,车到行人(Vehicle to Pedestrian,V2P)通信,车道网络(Vehicle to Network,V2N)通信。
本申请的无线通信的方法的执行主体可以是终端设备也可以是网络设备。
其中,终端设备也可以称为用户设备(User Equipment,UE)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。终端设备可以是WLAN中的站点(Staion,ST),可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol,SIP)电话、无线本地环路(Wireless Local Loop,WLL)站、个人数字处理(Personal Digital Assistant,PDA)设备、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、车联网终端、电脑、膝上型计算机、手持式通信设备、手持式计算设备、卫星无线设备、无线调制解调器卡、电视机顶盒(set top box,STB)、用户驻地设备(customer premise equipment,CPE)和/或用于在无线系统上进行通信的其它设备以及下一代通信系统,例如,5G网络中的终端设备或者未来演进的公共陆地移动网络(Public Land Mobile Network,PLMN)网络中的终端设备等。
作为示例而非限定,在本申请实施例中,该终端设备还可以是可穿戴设备。可穿戴设备也可以称为穿戴式智能设备,是应用穿戴式技术对日常穿戴进行智能化设计、开发出可以穿戴的设备的总称,如眼镜、手套、手表、服饰及鞋等。可穿戴设备即直接穿在身上,或是整合到用户的衣服或配件的一种便携式设备。可穿戴设备不仅仅是一种硬件设备,更是通过软件支持以及数据交互、云端交互来实现强大的功能。广义穿戴式智能设备包括功能全、尺寸大、可不依赖智能手机实现完整或者部分的功能,例如:智能手表或智能眼镜等,以及只专注于某一类应用功能,可以和其它设备如智能手机配合使用,如各类进行体征监测的智能手环、智能首饰等。
此外,在本申请实施例中,终端设备还可以是物联网(Internet of Things,IoT)系统中的终端设备,IoT是未来信息技术发展的重要组成部分,其主要技术特点是将物品通过通信技术与网络连接,从而实现人机互连,物物互连的智能化网络。
其中,网络设备可以包括接入网设备或核心网设备。
其中,接入网设备可以是接入网设备等用于与移动设备通信的设备,接入网设备可以是WLAN中的接入点(Access Point,AP),GSM或CDMA中的基站(Base Transceiver Station,BTS),也可以是WCDMA中的基站(NodeB,NB),或者是新型无线系统(New Radio,NR)系统中的gNB,还可以是LTE中的演进型基站(Evolutional Node B,eNB或eNodeB),或者中继站或接入点,或者路边单元(Roadside Unit,RSU),或者车载设备、可穿戴设备以及未来5G网络中的接入网设备或者未来演进的PLMN网络中的接入网设备等。
另外,在本申请实施例中,接入网设备为小区提供服务,终端设备通过该小区使用的传输资源(例如,时频资源,频率资源,或者,频谱资源)与接入网设备进行通信,该小区可以是接入网设备(例如基站)对应的小区,小区可以属于宏基站,也可以属于小小区(Small cell)对应的基站,这里的小小区可以包括:城市小区(Metro cell)、微小区(Micro cell)、微微小区(Pico cell)、毫微微小区(Femto cell)等,这些小小区具有覆盖范围小、发射功率低的特点,适用于提供高速率的数据传输服务。
核心网设备可以与多个接入网设备连接,用于控制接入网设备,并且,可以将从网络侧(例如,互联网)接收到的数据分发至接入网设备。
其中,以上列举的终端设备、接入网设备和核心网设备的功能和具体实现方式仅为示例性说明,本申请并未限定于此。
终端设备或网络设备可以包括硬件层、运行在硬件层之上的操作系统层,以及运行在操作系统层上的应用层。该硬件层包括中央处理器(Central Processing Unit,CPU)和内存(也称为主存)等硬件。该操作系统可以是任意一种或多种通过进程(Process)实现业务处理的计算机操作系统,例如,Linux操作系统、Unix操作系统、Android操作系统、iOS操作系统或windows操作系统等。该应用层包含浏览器、通讯录、文字处理软件、即时通信软件等应用。并且,本申请实施例并未对方法的执行主体的具体结构特别限定,例如,本申请实施例提供的方法的执行主体可以是终端设备或网络设备,或者,是终端设备或网络设备中能够调用程序并执行程序的功能模块。
此外,本申请实施例的各个方面或特征可以实现成方法、装置或使用标准编程和/或工程技术的制品。本申请中使用的术语“制品”涵盖可从任何计算机可读器件、载体或介质访问的计算机程序。例如,计算机可读介质可以包括,但不限于:磁存储器件(例如,硬盘、软盘或磁带等),光盘(例如,压缩盘(Compact Disc,CD)、数字通用盘(Digital Versatile Disc,DVD)等),智能卡和闪存器件(例如,可擦写可编程只读存储器(Erasable Programmable Read-Only Memory,EPROM)、卡、棒或钥匙驱动器等)。另外,本文描述的各种存储介质可代表用于存储信息的一个或多个设备和/或其它机器可读介质。术语“机器可读介质”可包括但不限于,无线信道和能够存储、包含和/或承载指令和/或数据的各种其它介质。
需要说明的是,在应用层可以运行多个应用程序,此情况下,执行本申请实施例的通信方法的应用程序与用于控制接收设备完成所接收到的数据所对应的动作的应用程序可以是不同的应用程序。
为了将移动蜂窝网络的功能更丰富,3GPP(Third Generation Partnership Project,第三代合作伙伴计划)加入了对V2X通信的支持,主要为车联网中的安全类应用消息传输提 供了服务。而随着下一代5G移动网络的发展,未来的5G V2X通信可以支持更多的车联网应用场景,包括车辆组队、传感器扩展、远程驾驶和自动驾驶增强等等。
图1为适用于本申请实施例的5G V2X通信系统架构图。如图1所示,在5G核心网圈内的是5G核心网网元,不同的网元之间采用服务化接口连接。UE之间采用PC5接口直接通信,UE与基站采用Uu接口进行通信。图2为无线接入侧架构图。如图2所示,接入网网元或设备与接入和移动性管理功能(Access and mobility management function,AMF)的接口,以及AMF与接入网网元或设备之间通过N2接口进行通信,接入网网元或设备之间通过Xn接口进行通信,UE在同一个AMF控制下的接入网网元或设备切换为Xn切换(存在不用更换AMF的可能),UE在不同AMF控制下的接入网网元或设备的切换为N2切换(存在更换AMF的可能)。
其中,接入和移动性管理功能是5G核心网的核心网络功能之一,其与gNodeB通过NG接口进行逻辑互联,主要用于实现接入管理功能。
在进行V2X侧链路通信前,终端设备可以配置与业务特征参数对应的侧链路无线承载(Sidelink Radio Bearers,SLRB)。其中,业务特征参数可以包括服务质量(Quality of Service,QoS)。在LTE系统中,UE数据包的QoS是靠PPPP(ProSe PerPacket Priority,近距离通信数据分组优先级)和PPPR(ProSe Per Packet Reliability,近距离通信数据分组可靠性)来保证。对每一个数据包,PPPP和PPPR都由应用层确定,PPPP和PPPR均可取1到8的整数,数字越高优先级和可靠性的要求越低,应用层将数据包递交到底层传输时,设置该数据包的PPPP和PPPR。并且数据包到SLRB的映射是由终端完成,具体的映射规则是由终端自行确定。
QoS可以指一个网络能够利用各种基础技术,为指定的网络通信提供更好的服务能力,是网络的一种安全机制,是用来解决网络延迟和阻塞等问题的一种技术,Qos的保证对于容量有限的网络来说是十分重要的。
基于数据流的QoS模型用于测链路单播、多播和广播。对于无线资源控制(Radio resource control,RRC)连接态的UE,针对一个新的PC5QoS数据流,UE可以通过RRC专用信令上报该数据流的QoS信息,网络设备可基于UE上报的QoS信息,通过RRC专用信令提供SLRB配置并配置该数据流和SLRB的对应关系。对于RRC空闲态的UE,网络设备可通过V2X专用系统消息块(System Information Block,SIB)提供SLRB配置并配置PC5QoS与SLRB的映射。对于覆盖外的UE,SLRB配置和PC5QoS与SLRB的映射是预配置的。
在5G系统中,终端数据包的QoS是基于具有保证比特率(guaranteed bit rate,GBR)或非保证比特率(non-guaranteed bit rate,non-GBR)的QoS流机制,并引入SDAP(Service Data Adaptation Protocol,服务数据适应协议)层用于完成QoS流到RB的映射。PC5QoS流由QoS流标识号(PC5QoS flow Identification,PFI)识别,PC5QoS流可以被映射到接入层(Access Stratum,AS)的SLRB。一个或多个PC5QoS流可以映射到同一个SLRB,但一个PC5QoS流只能映射到一个SLRB。同一个PC5QoS流上的数据包的QoS特征相同,而PC5QoS与PC5QoS流的映射由终端设备完成。
在3GPP R14及之后的R15标准中,基于PC5通信接口的V2X通信只采用广播通信的方式发送V2X消息,具体的通信流程如下所述:
V2X UE的应用层将广播消息数据包随其QoS需求,数据包的优先级(ProSe Per-Packet Priority,PPPP)及可靠性(ProSe Per-Packet Reliability,PPPR),经过V2X层发送至接入层(Access Stratum,AS)。V2X UE将PPPP与PPPR信息随PC5通信资源申请一同发送至基站,由基站根据PPPP与PPPR信息为V2X UE分配资源池。这里的资源池概念为:UE可以使用的时域或频率无线资源集合。
目前3GPP已分别就单播、组播(或称为多播)和广播三种PC5通信方式制定了通信流程,以单播通信为例,图3为适用于本申请实施例的单播通信的一种示意性流程图。如图3所示,具体地步骤如下所述:
S301,终端设备向基站与5G核心网请求服务授权和供应。
其中,终端设备可以使用PC5QoS规则和PC5QoS配置文件进行服务授权和供应,为该终端设备提供每个PC5QoS流的PC5QoS配置文件。
S302,终端设备将待发送数据及其对应的QoS需求从应用层发送至V2X层。
其中,终端设备的应用层可以将待发送的数据包及其对应的QoS需求发送至V2X层。
S303,终端设备将应用层的QoS需求映射到具体的QoS参数中。
其中,QoS参数的选择取决于应用层的V2X应用对于V2X通信的需求,具体包括:时延,丢包率,带宽和距离(Range)。其中,不同于传统蜂窝通信(手机与基站间的通信),QoS参数除了标准化的PQI(PC5 5G QoS Identifier,PC5 5G服务质量标识)和其他例如速率等参数外,还加入了距离参数,该距离指的是可以保证接收节点满足其他QoS需求(即,除了Range参数外的其他QoS参数指标)的最小通信距离。V2X层根据预配置的QoS规则将这些数据包分配到相应的PC5QoS流中,每个PC5QoS流由PFI(PC5QoS Flow Identifier,PC5服务质量流标识)进行标识。
S304,终端设备将数据包及其对应的PFI以及PFI对应的QoS参数一同发送给AS层。
其中,V2X层可以将数据包及其对应的PFI以及PFI对应的QoS参数一同发送至AS层。
S305,终端设备向基站申请PC5通信资源。
其中,当AS层接收到上层待发送的数据包和其对应的QoS参数后,终端设备可以向基站申请无线资源,同时,可以携带QoS配置信息(包括:PFI,QoS流所对应的PQI和其他QoS参数)。基站根据QoS参数为终端设备进行SLRB(Sidelink Radio Bearer,侧链路无线承载)配置,并将配置信息发送给终端设备。
图4为适用于本实施例的终端设备进行小区切换的一示意性流程图。如图4所示,具体地步骤如下所述:
S401,终端设备向源基站发送测量报告。
其中,终端设备在通信过程中周期性的向源基站发送测量报告(包括终端设备所使用的无线资源信道质量和强度等信息),源基站可以根据终端设备发送的测量报告判断是否可以发起终端设备的切换流程。
S402,源基站向目标基站发送切换请求。
其中,目标基站的选择可以是根据终端设备的位置,或终端设备上报的测量报告中选择检测到的信号强度最强的基站,或是为了基站间的负载均衡考虑选择负载较低的基站等等,在此不对具体目标基站选择进行限定。
S403,目标基站向源基站发送切换反馈。
其中,目标基站接收反馈请求之后,可以向源基站反馈切换请求。
S404,终端设备向目标基站发送RRC重连指示。
其中,源基站还可以向终端设备发送额外资源池的相关信息。
S405,终端设备与目标基站进行切换操作。
其中,终端设备在接收RRC重连指示后,可以进行从源基站向目标基站的切换操作。
S406,终端设备向目标基站发送RRC连接完成指示信息。
其中,RRC连接诶完成指示信息用于指示终端设备与目标基站已完成RRC连接。S407,目标基站向终端设备发送新资源池。
其中,当终端设备完成源基站至目标基站的切换操作后,目标基站可以为终端设备分配用于在目标基站覆盖范围内使用的PC5接口的通信资源池,并将该新资源池发送至终端设备。
在上述的切换流程中,主要有两个资源池分配步骤:
1.可选地,源基站随切换指令向终端设备发送额外资源池用于切换过程中使用;
2.切换完成后,目标基站向终端设备发送用于该小区的PC5接口的通信资源池。
此外,在源基站向目标基站发送切换请求时,可以携带如下信息:终端设备在源基站的X2信令报文(X2为4G基站间的接口,对应于5G的Xn接口),S1信令报文(S1为4G基站与移动管理实体或服务网关的接口,对应于5G的NG接口),目标基站标识,安全秘钥信息,RRC报文,E-RAB信息(E-UTRAN Radio Access Bearer,无线接入承载,包括网络层和传输层地址信息和QoS配置信息)等信息。可以发现,在这些信息中仅包含了UE与基站间通信的相关信息,即Uu(终端设备和UTRAN之间的接口)接口的信息(如E-RAB为Uu口的无线承载信息),并没有PC5的相关承载信息。
综上所述,目标基站向终端设备发送新的资源配置时,无法获知终端设备所使用的业务的PC5QoS需求信息(即PC5QoS Profile,PC5QoS配置)。因此,当目标基站为终端设备分配PC5的通信资源时,可能发生所分配的资源无法满足终端设备的通信需求的情况。
而另一方面,由于车辆移动的特性,在车辆行驶过程中可能频繁发生小区切换的情况。
有鉴于,不同于Uu接口的通信方式,基于PC5的V2X通信使用的是侧链路资源,即,通过合理的资源分配,由多个基站进行资源协调,多个小区可以使用同一个频段的侧链路资源。这样可以避免车辆由于移动性而发生的频繁资源切换问题,也降低了侧链路的通信信令开销(因为当发送节点切换侧链路资源时,可以发送侧链路信令消息通知对端接收节点)。因此,本申请在PC5的切换过程中,设计了一种方法以实现优化侧链路资源的效果。
应理解,在本申请实施例中,为区分不失一般性,用第一基站表示源基站,第二基站表示目标基站,第二终端设备表示对等终端设备。
图5为本申请实施例提供的无线通信的方法500的一示意性流程图。方法500可以包括如下步骤。
S501,第一基站向第二基站发送第一信息。
其中,第一信息可以用于第一终端在从第一基站切换至第二基站的过程之前进行PC5接口通信。
具体地,第一基站切换至第二基站的过程之前可以理解为第一终端还未开始进行基站间的切换,例如,结合图4,在步骤405之前。
可选地,第一信息包括PC5QoS信息,以及第二PC5资源信息中的至少一种信息。
其中,PC5QoS信息用于第一终端在从第一基站切换至第二基站的过程之前进行PC5接口通信,除了标准化的PQI和其他例如速率等参数外,PC5QoS信息还加入了距离参数,该距离指的是可以保证接收节点满足其他QoS需求(即,除了Range参数外的其他QoS参数指标)的最小通信距离。第二PC5资源信息用于表征第二PC5资源,例如,第二PC5资源可以是SLRB配置信息及对应的SLRB标识,其中SLRB配置可以包括RLC(Radio link control,无线链路控制)层配置(重传机制等),媒体介入控制(Media access control,MAC)层配置(通信频段映射,无线资源调度信息等),物理层配置(使用的无线信道频段等信息),SLRB配置信息可以包括逻辑信道标识信息、MAC层调度数据至物理层的频段标识信息等,本申请在此不做限制。
其中,该第二PC5资源可以包括至少一个用于第一终端在从源基站切换至目标基站的过程之前进行PC5接口通信的PC5资源。第二PC5资源可以是由第一基站为第一终端分配的。第二PC5资源可以是一个资源池,该资源池可以包括一个或多个PC5资源。
其中,PC5资源可以用于承载PC5接口的数据。具体地,PC5资源可以是物理层的通信频段,不予限制。该通信频段可以是多个通信频段的组合(即资源池),也可以是某个指定的通信频段,不予限制。
需要说明的是,第一基站可以通过静态配置或动态配置的方式为第一终端配置第二PC5资源(即资源池)。进一步地,当第一终端传输某个业务的数据时,第一终端可以根据该业务对应的QoS需求(参数),从第二PC5资源中选择一个通信频段用于承载该业务的数据。
在步骤S501的一种可能实现的方式中,第一基站可以向第二基站发送第一请求消息,第一请求消息用于请求将第一终端从第一基站切换至所述第二基站。
其中,第一请求消可以包括第一信息。
可选地,第一基站可以将第二PC5资源发送至第一终端,第一终端从第一基站获取的第二PC5资源中包括8个不同的通信频段,可以根据在无线信息中侦听这8个频段的占用率(单位时间内,某个频段的接收功率大于某个阈值的时间比),来判断该频段是否被占用,或者根据检测该频段的信道质量来判断该频段是否可以满足QoS需求(例如,对于某个通信距离的QoS需求可以存在对应的接收功率阈值,不同的通信距离可能对应不同的接收功率阈值)。并且,可以根据某个准则(本申请在此不做限定)从8个通信频段中选择1个用于通信。
应理解,当第二PC5资源只包括一个用于第一终端在从源基站切换至目标基站的过程之前进行PC5接口通信的PC5资源时,则该资源即为用于第一终端在从源基站切换至目标基站的过程之前进行PC5接口通信的PC5资源;或,当第二PC5资源包括至少两个用于第一终端在从源基站切换至目标基站的过程之前进行PC5接口通信的PC5资源时,则在第二PC5资源中选取一个PC5资源作为第一终端在从源基站切换至目标基站的过程之前进行PC5接口通信的PC5资源,例如,选取第二PC5资源中质量最好,或者优先级最高的PC5资源,本申请在此不做限定。
例如,第一终端的PC5资源信息可以包括在Uu接口切换的透明RRC容器(transparent RRC container)中,该容器还可以包含:第二基站的ID,第一终端的通信接口能力信息,Uu接口的QoS流与QoS参数配置信息等。
可选地,第一基站通过接收第一终端发送的第一信息来获取第一信息。具体地,第一基站可以向第一终端发送指示信息,以指示第一终端上报第一信息。
在另一种可能实现的方式中,当第一终端通过核心网进行基站间的切换时,第一基站可以向接入和移动性管理节点发送第二请求消息。其中,第二请求消息可以包括第一信息,第二请求消息可以用于请求将所述第一终端从所述第一基站切换至所述第二基站。
S502,第二基站根据第一信息,向第一基站发送第一PC5资源信息。
其中,第二基站接收第一信息之后,可以根据第一信息确定第一PC5资源信息,再将该第一PC5资源信息发送至第一基站。
具体地,第二基站可以根据第一信息包括的PC5QoS信息或第二PC5资源信息确定第一PC5资源信息。例如,当第一信息包括PC5QoS信息与第二PC5资源信息时,首先,第二基站根据PC5QoS信息确定第三PC5资源信息,第三PC5资源信息用于表征第三PC5资源,第三PC5资源包括至少一个满足该PC5QoS信息的PC5资源,其次,第二基站可以通过第二PC5资源和第三PC5资源为第一终端分配第一PC5资源,第一PC5资源可以为第二PC5资源信息与第三PC5资源信息的交集部分,也可以为第三PC5资源信息以及部分第二PC5资源信息,本申请在此不做限定;或者,当第一信息只包括第二PC5资源信息时,第二基站可以根据第二PC5资源信息,为第一终端分配第一PC5资源,第一PC5资源包含于第二PC5资源;或者,当第一信息只包括PC5QoS信息时,第二基站可以根据PC5QoS信息,为第一终端分配第一PC5资源。
其中,第一PC5资源信息用于表征第一PC5资源,第一PC5资源用于第一终端在从第一基站切换至第二基站的过程中进行PC5接口通信,上述第一终端从第一基站切换至第二基站的过程可以以第一终端从RRC连接重配置为起点,与第二基站完成RRC连接为终点。例如,结合图4,在步骤405至406的过程中。
应理解,第一PC5资源信息可以是SLRB配置信息及对应的SLRB标识。具体地,SLRB配置可以包括无线链路控制层配置(例如,重传机制,逻辑信道配置等),MAC层配置(例如,通信频段映射,无线资源调度信息等),物理层配置(使用的无线信道频段等信息),SLRB配置信息可以包括逻辑信道标识信息、MAC层调度数据至物理层的频段标识信息等,本申请在此不做限制。
需要说明的是,当存在PC5QoS需求时,第三PC5资源包含的资源满足该QoS需求。例如,当QoS需求包含保证流比特率(Guaranteed flow bit rate,GFBR)时,第三PC5资源可以至少保证支持GFBR值对应的传输速率;当QoS需求包含传输距离时,第三PC5资源可以保证在传输距离值内的其他QoS参数得到满足,例如QoS参数为PQI=1,传输距离(Range)=500米时,QoS需求即为500米的数据传输可以保证20毫秒的封包延迟预算,10 -4的封包错误率。
在可能实现的一种方式中,第二基站可以向第一基站发送第一请求响应消息,第一请求响应消息包括第一PC5资源信息。
需要说明的是,当第一终端通过核心网进行基站间的切换时,第二基站接收来自接入 和移动性管理节点的第二请求消息,第二请求消息包括第一信息,根据第一信息,向接入和移动性管理节点发送第二请求响应消息,第二请求响应消息包括第一PC5资源信息。
通过上述方案,第二基站可以获取第一终端的切换基站之前的PC5资源,由第二基站确定第一PC5资源,即第一终端在切换基站过程中进行通信的PC5资源,使得第二基站可以为第一终端提前分配PC5资源进行通信。
S503,第一基站向第一终端发送第一PC5资源信息。
其中,第一基站在接收第二基站发送的第一PC5资源信息之后,可以向第一终端发送该第一PC5资源信息。
进一步地,第一终端在接收到第一PC5资源信息之后,可以从第一PC5资源信息所表征的第一PC5资源中选取一个PC5资源作为目标PC5资源,进而通过该目标PC5资源在第一终端从第一基站切换至第二基站的过程中进行PC5接口通信。此外,第一终端还可以向第二终端发送第一PC5资源信息,使得在第一终端从第一基站切换至第二基站的过程中第一终端与第二终端通过第一PC5资源进行通信。
需要说明的是,第一PC5资源可以包括至少一个用于第一终端在从第一基站切换至第二基站的过程中进行PC5接口通信的PC5资源。
示例性地,当第一PC5资源只包括一个用于第一终端在从第一基站切换至第二基站的过程中进行PC5接口通信的PC5资源时,则第一终端使用该资源进行通信;或者,当第一PC5资源包括至少两个用于第一终端在从第一基站切换至第二基站的过程中进行PC5接口通信的PC5资源时,则第一终端可以从第一PC5资源中选择一个PC5资源用于第一终端在从第一基站切换至第二基站的过程中进行PC5接口通信。具体地,可以依据第一PC5资源中每个PC5资源的质量或者优先级选择该PC5资源,本申请在此不做限定。
应理解,当第一终端即将传输某个业务的数据时,第一终端可以根据该数据对应的QoS需求(参数),从第一PC5资源中选择一个PC5资源用于承载该业务的数据。例如,假设第一PC5资源中包括8个不同的通信频段,第一终端可以根据在无线信息中侦听这8个频段的占用率,来判断该频段是否被占用,或者根据检测该频段的信道质量来判断该频段是否可以满足QoS需求。并且,可以根据某个准则(本申请在此不做限定)从8个通信频段中选择1个用于通信。
还应理解,当第一终端通过核心网进行基站间的切换时,第一基站接收来自接入和移动性管理节点的第二请求响应消息,第二请求响应消息包括第一PC5资源信息。
可选地,第二基站可以接收来自第一终端的PC5QoS信息,该PC5QoS信息用于第一终端在从第一基站切换至第二基站的过程之前进行PC5接口通信,第二基站根据PC5QoS信息,向第一终端发送第四PC5资源信息,第四PC5资源信息用于表征第四PC5资源,该第四PC5资源信息用于第一终端在从第一基站切换至第二基站的过程之后进行PC5通信。例如,结合图4,在步骤406之后。
其中,第四PC5资源可以包括至少一个用于第一终端在从第一基站切换至第二基站的过程之后进行PC5接口通信的PC5资源。可选地,第四PC5资源包括第一PC5资源。第一终端在接收第四PC5资源信息之后,可以通过第四PC5资源中的PC5资源的质量、优先级等因素选取一个PC5资源信息进行通信,具体的选择方式,本申请在此不做限制。
通过上述方案,第二基站获取第一终端的PC5QoS信息,由第二基站判断第一终端 是否可以继续在其覆盖的小区内使用第一基站的SLRB配置,并将可以继续使用的SLRB配置与第二基站为第一终端分配的第一PC5资源,即,第四PC5资源信息,发送给第一终端。由此,第一终端在完成切换后,可以持续使用部分或全部原SLRB配置,从而减少了因为更改PC5通信资源导致的与第二终端进行信令交互或通知的过多资源开销。
图6为本申请实施例提供的无线通信的方法600的一示意性流程图。方法600可以包括如下步骤。
S601,第一基站向第一终端发送指示信息。
其中,指示信息用于指示第一终端上报第一信息。关于第一信息的描述,可以参考S501中关于第一信息的相关描述,为了简洁,本申请在此不做赘述。
S602,第一终端向第一基站发送第一信息。
S603,第一终端向第一基站发送测量信息。
可选地,第一终端可以向第一基站上报测量信息。具体地,第一终端在通信过程中可以周期性向第一基站发送测量信息。
其中,测量信息可以包括第一终端使用的无线资源信道质量与强度等信息。
其中,第一基站可以根据第一终端上报的测量信息为第一终端选择第二基站,本申请在此不对具体第二基站的选择条件进行限定,进而第一终端进行从第一基站到第二基站的切换过程。
应理解,当第一终端不通过核心网进行基站间的切换时,执行步骤S604至S606,不执行步骤S607至S611;或者,当第一终端通过核心网进行基站间的切换时,执行步骤S607至S611,不执行S604至S606。
S604,第一基站向第二基站发送第一信息。
其中,第一基站在收到第一信息之后,可以向第二基站发送第一信息。可选地,第一基站可以根据第一终端发送的测量信息,确定第一终端有进行小区切换的需求,向第二基站发送第一信息。
在可能实现的一种方式中,第一基站可以向第二基站发送第一请求消息,该第一请求消息用于请求将第一终端从第一基站切换至第二基站,该第一请求消息包括上述第一信息。
S605,第二基站分配第一PC5资源。
其中,第二基站可以根据第一信息,为第一终端分配第一PC5资源,其中,关于第一PC5资源与第一PC5资源信息的描述,可以参考上述S502中的相关描述,为了简洁,本申请在此不做赘述。
S606,第二基站向第一基站发送第一PC5资源信息。
S607,第一基站向接入和移动性管理节点发送第一信息。
其中,第一基站在收到第一信息之后,可以向接入和移动性管理节点发送第一信息,可选地,第一基站根据第一终端发送的测量信息,确定第一终端可以进行小区切换,向接入和移动性管理节点发送第一信息。
在可能实现的一种方式中,第一基站可以向接入和移动性管理节点发送第二请求消息,该第二请求消息用于请求将第一终端从第一基站切换至第二基站,该第二请求消息包括上述第一信息。
S608,接入和移动性管理节点向第二基站发送第一信息。
S609,第二基站分配第一PC5资源。
其中,第二基站可以根据第一信息,为第一终端分配第一PC5资源,其中,关于第一PC5资源与第一PC5资源信息的描述,可以参考上述S502中的相关描述,为了简洁,本申请在此不做赘述。
S610,第二基站根据第一信息,向接入和移动性管理节点发送第一PC5资源信息。
其中,第二基站可以向接入和移动性管理节点发送第二请求响应消息,该第二请求响应消息包括第一PC5资源信息。
S611,接入和移动性管理节点向第一基站发送第一PC5资源信息。
S612,第一基站向第一终端发送第一PC5资源信息。
S613,第一终端设备确定第一目标PC5资源信息。
其中,第一目标PC5资源信息用于表征第一目标PC5资源,第一终端在接收第一PC5资源信息之后,可以从第一PC5资源信息中选取一个PC5资源,作为第一目标PC5资源,用于第一终端设备在从第一基站切换至第二基站的过程中进行PC5接口通信。具体的关于选取第一目标PC5资源的方法,可以参考上述S503中从第一PC5资源中选取一个PC5资源的相关描述,为了简洁,本申请在此不做赘述。
S614,第一终端向第二基站发送PC5QoS信息。
其中,该PC5QoS信息用于第一终端在从第一基站切换至第二基站的过程之前进行PC5接口通信,PC5QoS信息除了标准化的PQI和其他例如速率等参数外,还加入了距离参数,该距离指的是可以保证接收节点满足其他QoS需求(即,除了Range参数外的其他QoS参数指标)的最小通信距离。可选地,第一终端与第二基站可以进行RRC连接,完成时间同步等操作。并且,在完成RRC连接之后,第一终端可以向第二基站发送RRC连接完成指示信息。
在一种可能实现的方式中,第一终端可以向第二基站发送RRC连接重新配置消息,该RRC连接重新配置消息包括PC5QoS信息。
S615,第一终端向第二终端发送第一目标PC5资源信息。
其中,通过第一终端向第二终端发送第一目标PC5资源信息,可以使得第一终端与第二终端通过第一目标PC5资源在第一终端从第一基站切换至第二基站的过程中进行通信。
基于上述方案,在第一终端进行小区切换的过程中,第一基站将第一终端的PC5接口信息(包括QoS信息、SLRB配置、通信方式等)发送给第二基站,使得第二基站可以在第一终端切换过程中提前为第一终端配置用于目的小区的PC5通信资源,从而使得第一终端在切换后第二基站分配的PC5资源可以满足终端设备间的PC5通信需求。
S616,第二基站根据PC5QoS信息,向第一终端发送第四PC5资源信息。
其中,第四PC5资源信息用于表征第四PC5资源,该第四PC5资源信息用于第一终端在从第一基站切换至第二基站的过程之后进行PC5接口通信,第四PC5资源可以包括至少一个用于第一终端在从第一基站切换至第二基站的过程之后进行PC5接口通信的PC5资源。可选地,第四PC5资源包括第一PC5资源。其中,第一终端在从第一基站切换至第二基站的过程之后即为第一终端已与第二基站建立RRC连接之后。例如,结合图4,在步骤406之后。
S617,第一终端设备确定第二目标PC5资源信息。
其中,第二目标PC5资源信息用于表征第二目标资源,第一终端可以从第四PC5资源选取一个PC5资源,作为第二目标PC5资源,第二目标PC5资源用于第一终端在从第一基站切换至第二基站的过程之后进行PC5接口通信。
示例性地,当第四PC5资源只包括一个用于第一终端在从第一基站切换至第二基站的过程之后进行PC5接口通信的PC5资源,则选取该PC5资源为第二目标PC5资源进行通信;或者,当第四PC5资源包括至少两个用于第一终端在从第一基站切换至第二基站的过程之后进行PC5接口通信的PC5资源,则第一终端可以从第四PC5资源中选择一个PC5资源为第二目标PC5资源用于第一终端在从第一基站切换至第二基站的过程之后进行PC5接口通信,具体地,可以依据第四PC5资源中每个PC5资源的质量或者优先级选择第二目标PC5资源,本申请在此不做限定。
应理解,当第一终端即将传输某个业务的数据时,第一终端可以根据该数据对应的QoS需求(参数),从第四PC5资源中选择一个PC5资源用于承载该业务的数据。例如,假设第四PC5资源中包括8个不同的通信频段,则第一终端可以根据在无线信息中侦听这8个频段的占用率,来判断该频段是否被占用,或者根据检测该频段的信道质量来判断该频段是否可以满足QoS需求。并且,可以根据某个准则(本申请在此不做限定)从8个通信频段中选择1个用于通信。
S618,第一终端向第二终端发送第二目标PC5资源信息。
其中,通过第一终端向第二终端发送第二目标PC5资源信息,可以使得第一终端与第二终端使用第二目标PC5资源在第一终端从第一基站切换至第二基站的过程之后进行通信。
S619,储存第四PC5资源信息。
可选地,第二基站可以储存第四PC5资源信息,使得第一终端在下次基站间切换的过程中,可以直接使用该第一终端的PC5资源信息。
基于上述方案,第二基站获取包括第一终端的SLRB配置的第一终端的PC5接口信息,由第二基站判断第一终端是否可以继续在其覆盖的小区内使用第一基站的SLRB配置,并将可以继续使用SLRB配置随第二基站为第一终端分配的PC5接口通信资源一同发送给第一终端。由此,第一终端在完成切换后,可以持续使用原SLRB配置,从而减少了因为更改PC5通信资源而与第二终端进行信令交互或通知的资源开销。
本文中描述的各个实施例可以为独立的方案,也可以根据内在逻辑进行组合,这些方案都落入本申请的保护范围中。
可以理解的是,上述各个方法实施例中,由终端设备实现的方法和操作,也可以由可用于终端设备的部件(例如芯片或者电路)实现,由网络设备实现的方法和操作,也可以由可用于网络设备的部件(例如芯片或者电路)实现。
以上,结合图5与图6详细说明了本申请实施例提供的方法。以下,结合图7至图10详细说明本申请实施例提供的通信装置。应理解,装置实施例的描述与方法实施例的描述相互对应,因此,未详细描述的内容可以参见上文方法实施例,为了简洁,这里不再赘述。
上述主要从各个网元之间交互的角度对本申请实施例提供的方案进行了介绍。可以理解的是,各个网元,例如发射端设备或者接收端设备,为了实现上述功能,其包含了执行 各个功能相应的硬件结构和/或软件模块。本领域技术人员应该可以意识到,结合本文中所公开的实施例描述的各示例的单元及算法步骤,本申请能够以硬件或硬件和计算机软件的结合形式来实现。某个功能究竟以硬件还是计算机软件驱动硬件的方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本申请的范围。
本申请实施例可以根据上述方法示例对发射端设备或者接收端设备进行功能模块的划分,例如,可以对应各个功能划分各个功能模块,也可以将两个或两个以上的功能集成在一个处理模块中。上述集成的模块既可以采用硬件的形式实现,也可以采用软件功能模块的形式实现。需要说明的是,本申请实施例中对模块的划分是示意性的,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式。下面以采用对应各个功能划分各个功能模块为例进行说明。
图7是本申请实施例提供的通信装置的示意性框图。该通信装置700包括接收单元710、发送单元720和处理单元730。接收单元710可以实现接收的通信功能,发送单元720可以实现发送的通信功能,处理单元可以生死线处理的通信功能。接收单元710与发送单元720还可以称为通信接口或通信单元。
可选地,该通信装置700还可以包括存储单元,该存储单元可以用于存储指令和/或数据,处理单元730可以读取存储单元中的指令和/或数据,以使得通信装置实现前述方法实施例。
应理解,该通信装置700的处理单元730可以由至少一个处理器或处理器相关电路实现。接收单元710与发送单元720可以由收发器或收发器相关电路实现。接收单元710与发送单元720还可称为通信单元或通信接口。存储单元可以通过至少一个存储器实现。
该通信装置700可以用于执行上文方法实施例中终端设备所执行的动作,这时,该通信装置700可以为终端设备或者可配置于终端设备的部件,接收单元710用于执行上文方法实施例中终端设备侧的接收相关的操作,发送单元720用于执行上文方法实施例中终端设备侧的发送相关的操作,处理单元730用于执行上文方法实施例中终端设备侧的处理相关的操作。
或者,该通信装置700可以用于执行上文方法实施例中网络设备所执行的动作,这时,该通信装置700可以为网络设备或者可配置于网络设备的部件,接收单元710用于执行上文方法实施例中网络设备侧的接收相关的操作,发送单元720用于执行上文方法实施例中网络设备侧的发送相关的操作。
作为一种设计,该通信装置700用于执行上文图5所示实施例中第一终端所执行的动作,接收单元710用于:S503。
作为一示例,该通信装置700用于执行上文图6所示实施例中第一终端所执行的动作,接收单元710用于:S601、S610、S613;发送单元720用于:S602、S603、S611、S612、S614;处理单元730用于:S613、S617。
作为又一示例,该通信装置700用于执行上文图6所示实施例中第二终端所执行的动作,接收单元710用于:S612、S614。
该通信装置700可实现对应于根据本申请实施例的方法500和方法600中的第一终端或第二终端执行的步骤或者流程,该通信装置700可以包括用于执行图5中的方法500和 图6中方法600中的第一终端或第二终端执行的方法的单元。并且,该通信装置700中的各单元和上述其他操作和/或功能分别为了实现图5中的方法500和图6中方法600的相应流程。
其中,当该通信装置700用于执行图5中的方法500时,接收单元710可用于执行方法500中的步骤503。
当该通信装置700作为第一终端用于执行图6中的方法600时,接收单元710可用于执行方法600中的步骤601、610、613,发送单元720可用于执行方法600中的步骤602、603、611、612、614,处理单元730可用于执行方法600中的步骤612、614。
当该通信装置700作为第二终端用于执行图6中的方法600时,接收单元710可用于执行方法600中的步骤612、614。
应理解,各单元执行上述相应步骤的具体过程在上述方法实施例中已经详细说明,为了简洁,在此不再赘述。
作为另一种设计,通信装置700用于执行上文图5所示实施例中第一基站所执行的动作,接收单元710用于:S502;发送单元720用于:S501、S503。
作为一示例,通信装置700用于执行上文图5所示实施例中第二基站所执行的动作,接收单元710用于:S501;发送单元720用于:S502。
作为又一示例,通信装置700用于执行上文图6所示实施例中第一基站所执行的动作,接收单元710用于:S602、S603、S605、S609;发送单元720用于:S601、S604、S606、S610。
作为又一示例,通信装置700用于执行上文图6所示实施例中第二基站所执行的动作,接收单元710用于:S604、S607、S611;发送单元720用于:S605、S608、S613;处理单元730用于:S605,S609。
该通信装置700可实现对应于根据本申请实施例的方法500和方法600中的第一基站或第二基站执行的步骤或者流程,该通信装置700可以包括用于执行图5中的方法500和图6中方法600中的第一基站或第二基站执行的方法的单元。并且,该通信装置700中的各单元和上述其他操作和/或功能分别为了实现图5中的方法500和图6中方法600的相应流程。
如图8所示,本申请实施例还提供一种通信装置800。该通信装置800包括处理器810,处理器810与存储器820耦合,存储器820用于存储计算机程序或指令和/或数据,处理器810用于执行存储器820存储的计算机程序或指令和/或数据,使得上文方法实施例中的方法被执行。
可选地,该通信装置800包括的处理器810为一个或多个。
可选地,如图8所示,该通信装置800还可以包括存储器820。
可选地,该通信装置800包括的存储器820可以为一个或多个。
可选地,该存储器820可以与该处理器810集成在一起,或者分离设置。
可选地,如图8所示,该通信装置800还可以包括收发器830,收发器830用于信号的接收和/或发送。例如,处理器810用于控制收发器830进行信号的接收和/或发送。
作为一种方案,该通信装置800用于实现上文方法实施例中由第一终端或第二终端执行的操作。
例如,处理器810用于实现上文方法实施例中由第一终端或第二终端执行的处理相关的操作,收发器830用于实现上文方法实施例中由第一终端或第二终端执行的收发相关的操作。
作为另一种方案,该通信装置800用于实现上文方法实施例中由第一基站或第二基站执行的操作。
例如,处理器810用于实现上文方法实施例中由第一基站或第二基站执行的处理相关的操作,收发器830用于实现上文方法实施例中由第一基站或第二基站执行的收发相关的操作。
本申请实施例还提供一种通信装置900,该通信装置900可以是终端设备也可以是芯片。该通信装置900可以用于执行上述方法实施例中由第一终端与第二终端所执行的操作。
当该通信装置900为终端设备时,图9示出了一种简化的终端设备的结构示意图。如图9所示,终端设备包括处理器、存储器、射频电路、天线以及输入输出装置。处理器主要用于对通信协议以及通信数据进行处理,以及对终端设备进行控制,执行软件程序,处理软件程序的数据等。存储器主要用于存储软件程序和数据。射频电路主要用于基带信号与射频信号的转换以及对射频信号的处理。天线主要用于收发电磁波形式的射频信号。输入输出装置,例如触摸屏、显示屏,键盘等主要用于接收用户输入的数据以及对用户输出数据。需要说明的是,有些种类的终端设备可以不具有输入输出装置。
当有数据发送时,处理器对待发送的数据进行基带处理后,输出基带信号至射频电路,射频电路将基带信号进行射频处理后将射频信号通过天线以电磁波的形式向外发送。当有数据发送到终端设备时,射频电路通过天线接收到射频信号,将射频信号转换为基带信号,并将基带信号输出至处理器,处理器将基带信号转换为数据并对该数据进行处理。为便于说明,图9中仅示出了一个存储器和处理器,在实际的终端设备产品中,可以存在一个或多个处理器和一个或多个存储器。存储器也可以称为存储介质或者存储设备等。存储器可以是独立于处理器设置,也可以是与处理器集成在一起,本申请实施例对此不做限制。
在本申请实施例中,可以将具有收发功能的天线和射频电路视为终端设备的收发单元,将具有处理功能的处理器视为终端设备的处理单元。
如图9所示,终端设备包括收发单元910和处理单元920。收发单元910也可以称为收发器、收发机、收发装置等。处理单元920也可以称为处理器,处理单板,处理模块、处理装置等。
可选地,可以将收发单元910中用于实现接收功能的器件视为接收单元,将收发单元910中用于实现发送功能的器件视为发送单元,即收发单元910包括接收单元和发送单元。收发单元有时也可以称为收发机、收发器、或收发电路等。接收单元有时也可以称为接收机、接收器、或接收电路等。发送单元有时也可以称为发射机、发射器或者发射电路等。
应理解,图9仅为示例而非限定,上述包括收发单元和处理单元的终端设备可以不依赖于图9所示的结构。
当该通信装置900为芯片时,该芯片包括收发单元和处理单元。其中,收发单元可以是输入输出电路或通信接口;处理单元可以为该芯片上集成的处理器或者微处理器或者集成电路。
本申请实施例还提供一种通信装置1000,该通信装置1000可以是网络设备也可以是 芯片。该通信装置1000可以用于执行上述方法实施例中由网络设备所执行的操作。
当该通信装置1000为网络设备时,例如为基站。图10示出了一种简化的基站结构示意图。基站包括1010部分以及1020部分。1010部分主要用于射频信号的收发以及射频信号与基带信号的转换;1020部分主要用于基带处理,对基站进行控制等。1010部分通常可以称为收发单元、收发机、收发电路、或者收发器等。1020部分通常是基站的控制中心,通常可以称为处理单元,用于控制基站执行上述方法实施例中网络设备侧的处理操作。
1010部分的收发单元,也可以称为收发机或收发器等,其包括天线和射频电路,其中射频电路主要用于进行射频处理。可选地,可以将1010部分中用于实现接收功能的器件视为接收单元,将用于实现发送功能的器件视为发送单元,即1010部分包括接收单元和发送单元。接收单元也可以称为接收机、接收器、或接收电路等,发送单元可以称为发射机、发射器或者发射电路等。
1020部分可以包括一个或多个单板,每个单板可以包括一个或多个处理器和一个或多个存储器。处理器用于读取和执行存储器中的程序以实现基带处理功能以及对基站的控制。若存在多个单板,各个单板之间可以互联以增强处理能力。作为一种可选的实施方式,也可以是多个单板共用一个或多个处理器,或者是多个单板共用一个或多个存储器,或者是多个单板同时共用一个或多个处理器。
例如,在一种实现方式中,1010部分的收发单元用于执行图5所示实施例中由第一基站与第二基站执行的收发相关的步骤;1020部分用于执行图6所示实施例中由第一基站与第二基站执行的处理相关的步骤。
例如,在又一种实现方式中,1010部分的收发单元用于执行图6所示实施例中由第一基站与第二基站执行的收发相关的步骤;1020部分用于执行图6所示实施例中由第一基站与第二基站执行的处理相关的步骤。
应理解,图10仅为示例而非限定,上述包括收发单元和处理单元的网络设备可以不依赖于图10所示的结构。
当该通信装置1000为芯片时,该芯片包括收发单元和处理单元。其中,收发单元可以是输入输出电路、通信接口;处理单元为该芯片上集成的处理器或者微处理器或者集成电路。
本申请实施例还提供一种计算机可读存储介质,其上存储有用于实现上述方法实施例中由终端设备执行的方法,或由网络设备执行的方法的计算机指令。
例如,该计算机程序被计算机执行时,使得该计算机可以实现上述方法实施例中由终端设备执行的方法,或由网络设备执行的方法。
本申请实施例还提供一种包含指令的计算机程序产品,该指令被计算机执行时使得该计算机实现上述方法实施例中由终端设备执行的方法,或由网络设备执行的方法。
本申请实施例还提供一种通信系统,该通信系统包括上文实施例中的网络设备与终端设备。
所属领域的技术人员可以清楚地了解到,为描述方便和简洁,上述提供的任一种通信装置中相关内容的解释及有益效果均可参考上文提供的对应的方法实施例,此处不再赘述。
在本申请实施例中,终端设备或网络设备可以包括硬件层、运行在硬件层之上的操作 系统层,以及运行在操作系统层上的应用层。其中,硬件层可以包括中央处理器(central processing unit,CPU)、内存管理单元(memory management unit,MMU)和内存(也称为主存)等硬件。操作系统层的操作系统可以是任意一种或多种通过进程(process)实现业务处理的计算机操作系统,例如,Linux操作系统、Unix操作系统、Android操作系统、iOS操作系统或windows操作系统等。应用层可以包含浏览器、通讯录、文字处理软件、即时通信软件等应用。
本申请实施例并未对本申请实施例提供的方法的执行主体的具体结构进行特别限定,只要能够通过运行记录有本申请实施例提供的方法的代码的程序,以根据本申请实施例提供的方法进行通信即可。例如,本申请实施例提供的方法的执行主体可以是终端设备或网络设备,或者,是终端设备或网络设备中能够调用程序并执行程序的功能模块。
本申请的各个方面或特征可以实现成方法、装置或使用标准编程和/或工程技术的制品。本文中使用的术语“制品”可以涵盖可从任何计算机可读器件、载体或介质访问的计算机程序。
其中,计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。可用介质(或者说计算机可读介质)例如可以包括但不限于:磁性介质或磁存储器件(例如,软盘、硬盘(如移动硬盘)、磁带)、光介质(例如,光盘、压缩盘(compact disc,CD)、数字通用盘(digital versatile disc,DVD)等)、智能卡和闪存器件(例如,可擦写可编程只读存储器(erasable programmable read-only memory,EPROM)、卡、棒或钥匙驱动器等)、或者半导体介质(例如固态硬盘(solid state disk,SSD)等、U盘、只读存储器(read-only memory,ROM)、随机存取存储器(random access memory,RAM)等各种可以存储程序代码的介质。
本文描述的各种存储介质可代表用于存储信息的一个或多个设备和/或其它机器可读介质。术语“机器可读介质”可以包括但不限于:无线信道和能够存储、包含和/或承载指令和/或数据的各种其它介质。
应理解,本申请实施例中提及的处理器可以是中央处理单元(central processing unit,CPU),还可以是其他通用处理器、数字信号处理器(digital signal processor,DSP)、专用集成电路(application specific integrated circuit,ASIC)、现成可编程门阵列(field programmable gate array,FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
还应理解,本申请实施例中提及的存储器可以是易失性存储器或非易失性存储器,或可包括易失性和非易失性存储器两者。其中,非易失性存储器可以是只读存储器(read-only memory,ROM)、可编程只读存储器(programmable ROM,PROM)、可擦除可编程只读存储器(erasable PROM,EPROM)、电可擦除可编程只读存储器(electrically EPROM,EEPROM)或闪存。易失性存储器可以是随机存取存储器(random access memory,RAM)。例如,RAM可以用作外部高速缓存。作为示例而非限定,RAM可以包括如下多种形式:静态随机存取存储器(static RAM,SRAM)、动态随机存取存储器(dynamic RAM,DRAM)、同步动态随机存取存储器(synchronous DRAM,SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM,DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM,ESDRAM)、同步连接动态随机存取存储器(synchlink DRAM, SLDRAM)和直接内存总线随机存取存储器(direct rambus RAM,DR RAM)。
需要说明的是,当处理器为通用处理器、DSP、ASIC、FPGA或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件时,存储器(存储模块)可以集成在处理器中。
还需要说明的是,本文描述的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
在本申请所提供的几个实施例中,应该理解到,所揭露的装置和方法,可以通过其它的方式实现。例如,以上所描述的装置实施例仅是示意性的,例如,上述单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个系统,或一些特征可以忽略,或不执行。此外,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性,机械或其它的形式。
上述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元实现本申请提供的方案。
另外,在本申请各个实施例中的各功能单元可以集成在一个单元中,也可以是各个单元单独物理存在,也可以两个或两个以上单元集成在一个单元中。
在上述实施例中,可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。
当使用软件实现时,可以全部或部分地以计算机程序产品的形式实现。该计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行计算机程序指令时,全部或部分地产生按照本申请实施例所述的流程或功能。计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。例如,计算机可以是个人计算机,服务器,或者网络设备等。计算机指令可以存储在计算机可读存储介质中,或者从一个计算机可读存储介质向另一个计算机可读存储介质传输,例如,计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。关于计算机可读存储介质,可以参考上文描述。
以上所述,仅为本申请的具体实施方式,但本申请的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本申请揭露的技术范围内,可轻易想到的变化或替换,都应涵盖在本申请的保护范围之内。因此,本申请的保护范围应以权利要求和说明书的保护范围为准。

Claims (28)

  1. 一种无线通信的方法,其特征在于,包括:
    第一基站向第二基站发送第一信息,所述第一信息用于第一终端在从所述第一基站切换至所述第二基站的过程之前进行PC5接口通信;
    所述第一基站接收第一PC5资源信息,所述第一PC5资源信息用于表征第一PC5资源,所述第一PC5资源用于所述第一终端在从所述第一基站切换至所述第二基站的过程中进行PC5接口通信;
    所述第一基站向所述第一终端发送所述第一PC5资源信息。
  2. 根据权利要求1所述的方法,其特征在于,所述第一PC5资源包括至少一个用于所述第一终端在从所述第一基站切换至所述第二基站的过程中进行PC5接口通信的PC5资源。
  3. 根据权利要求1或2所述的方法,其特征在于,所述第一信息包括以下至少一种信息:PC5服务质量QoS信息,以及第二PC5资源信息;
    其中,所述第二PC5资源信息用于表征第二PC5资源,所述第二PC5资源包括至少一个用于所述第一终端在从所述第一基站切换至所述第二基站的过程之前进行PC5接口通信的PC5资源。
  4. 根据权利要求1至3中任一项所述的方法,其特征在于,所述第一基站发送第一信息,包括:
    所述第一基站向所述第二基站发送第一请求消息,所述第一请求消息包括所述第一信息,所述第一请求消息用于请求将所述第一终端从所述第一基站切换至所述第二基站;
    所述第一基站接收第一PC5资源信息,包括:
    所述第一基站接收来自所述第二基站的第一请求响应消息,所述第一请求响应消息包括所述第一PC5资源信息。
  5. 根据权利要求1至3中任一项所述的方法,其特征在于,所述第一基站发送第一信息,包括:
    所述第一基站向接入和移动性管理节点发送第二请求消息,所述第二请求消息包括所述第一信息,所述第二请求消息用于请求将所述第一终端从所述第一基站切换至所述第二基站;
    所述第一基站接收第一PC5资源信息,包括:
    所述第一基站接收来自所述接入和移动性管理节点的所述第二请求响应消息,所述第二请求响应消息包括所述第一PC5资源信息。
  6. 根据权利要求1至5中任一项所述的方法,其特征在于,所述方法还包括:
    所述第一基站接收来自所述第一终端的所述第一信息。
  7. 根据权利要求6所述的方法,其特征在于,所述方法还包括:
    所述第一基站向所述第一终端发送指示信息,所述指示信息用于指示上报所述第一信息。
  8. 一种无线通信的方法,其特征在于,包括:
    第二基站接收第一信息,所述第一信息用于第一终端在从第一基站切换至所述第二基站的过程之前进行PC5接口通信;
    所述第二基站根据所述第一信息,发送第一PC5资源信息,所述第一PC5资源信息用于表征第一PC5资源,所述第一PC5资源用于所述第一终端在从所述第一基站切换至所述第二基站的过程中进行PC5接口通信。
  9. 根据权利要求8所述的方法,其特征在于,所述第一信息包括以下至少一种:PC5QoS信息,以及第二PC5资源信息;
    其中,所述第二PC5资源信息用于表征第二PC5资源,所述第二PC5资源包括至少一个用于所述第一终端在从所述第一基站切换至所述第二基站的过程之前进行PC5接口通信的PC5资源。
  10. 根据权利要求8或9所述的方法,其特征在于,所述第一PC5资源包括至少一个用于所述第一终端在从所述第一基站切换至所述第二基站的过程中进行PC5接口通信的PC5资源。
  11. 根据权利要求8至10中任一项所述的方法,其特征在于,所述第二基站根据所述第一信息,发送第一PC5资源信息,包括:
    所述第二基站根据所述第一信息,为所述第一终端分配所述第一PC5资源;
    所述第二基站发送所述第一PC5资源信息。
  12. 根据权利要求11所述的方法,其特征在于,所述第一信息包括所述PC5 QoS信息和所述第二PC5资源信息,所述第二基站根据所述第一信息,为所述第一终端分配所述第一PC5资源,包括:
    所述第二基站根据所述PC5 QoS信息,确定第三PC5资源信息,所述第三PC5资源信息用于表征第三PC5资源;
    所述第二基站根据所述第二PC5资源信息和所述第三PC5资源,为所述第一终端分配所述第一PC5资源,所述第一PC5资源包含于所述第二PC5资源和所述第三PC5资源。
  13. 根据权利要求11所述的方法,其特征在于,所述第一信息包括所述第二PC5资源信息,所述第二基站根据所述第一信息,为所述第一终端分配所述第一PC5资源,包括:
    所述第二基站根据所述第二PC5资源信息,为所述第一终端分配所述第一PC5资源,所述第一PC5资源包含于所述第二PC5资源。
  14. 根据权利要求8至13中任一项所述的方法,其特征在于,所述第二基站接收第一信息,包括:
    所述第二基站接收来自所述第一基站的所述第一请求信息,所述第一请求消息包括所述第一信息,所述第一请求消息用于请求将所述第一终端从所述第一基站切换至所述第二基站;
    所述第二基站根据所述第一信息,发送第一PC5资源信息,包括:
    所述第二基站根据所述第一信息,向所述第一基站发送第一请求响应消息,所述第一请求响应消息包括所述第一PC5资源信息。
  15. 根据权利要求8至13中任一项所述的方法,其特征在于,所述第二基站接收第一信息,包括:
    所述第二基站接收来自接入和移动性管理节点的第二请求消息,所述第二请求消息包 括所述第一信息,所述第二请求消息用于请求将所述第一终端从所述第一基站切换至所述第二基站;
    所述第二基站根据所述第一信息,发送第一PC5资源信息,包括:
    所述第二基站根据所述第一信息,向所述接入和移动性管理节点发送第二请求响应消息,所述第二请求响应消息包括所述第一PC5资源信息。
  16. 根据权利要求8至15中任一项所述的方法,其特征在于,所述方法还包括:
    所述第二基站接收来自所述第一终端的所述PC5 QoS信息,所述PC5 QoS信息用于所述第一终端在从所述第一基站切换至所述第二基站的过程之前进行PC5接口通信;
    所述第二基站根据所述PC5 QoS信息,向所述第一终端发送第四PC5资源信息,所述第四PC5资源信息用于表征第四PC5资源,所述第四PC5资源信息用于所述第一终端在从所述第一基站切换至所述第二基站的过程之后进行PC5接口通信。
  17. 根据权利要求16所述的方法,其特征在于,所述第四PC5资源包括至少一个用于所述第一终端在从所述第一基站切换至所述第二基站的过程之后进行PC5接口通信的PC5资源。
  18. 根据权利要求17所述的方法,其特征在于,所述第四PC5资源包括所述第一PC5资源。
  19. 一种无线通信的方法,其特征在于,包括:
    第一终端接收来自源基站的第一PC5资源信息,所述第一PC5资源信息用于表征第一PC5资源,所述第一PC5资源用于所述第一终端在从所述第一基站切换至第二基站的过程中进行PC5接口通信;
    所述第一终端根据所述第一PC5资源信息,在从所述第一基站切换至所述第二基站的过程中进行PC5接口通信。
  20. 根据权利要求19所述的方法,其特征在于,当所述第一PC5资源包括至少两个用于所述第一终端在从所述第一基站切换至所述第二基站的过程中进行PC5接口通信的PC5资源时;
    所述第一终端根据所述第一PC5资源信息,在从所述第一基站切换至所述第二基站的过程中进行PC5接口通信,包括:
    所述第一终端在所述第一PC5资源中选择一个PC5资源;
    所述第一终端使用所述选择的一个PC5资源,在从所述第一基站切换至所述第二基站的过程中进行PC5接口通信。
  21. 根据权利要求19或20所述的方法,其特征在于,所述方法还包括:
    所述第一终端向所述第一基站发送第一信息,所述第一信息用于第一终端在从所述第一基站切换至第二基站的过程之前进行PC5接口通信。
  22. 根据权利要求21所述的方法,其特征在于,所述方法还包括:
    所述第一终端接收来自所述第一基站的指示信息,所述指示信息用于指示上报所述第一信息。
  23. 根据权利要求20至22中任一项所述的方法,其特征在于,所述方法还包括:
    所述第一终端向第二终端发送目标资源信息,所述目标资源信息用于表征所述选择的一个PC5资源。
  24. 根据权利要求19至23中任一项所述的方法,其特征在于,所述方法还包括:
    所述第一终端向所述第二基站发送PC5 QoS信息,所述PC5 QoS信息用于所述第一终端在从所述第一基站切换至所述第二基站的过程之前进行PC5接口通信;
    所述第一终端接收来自所述第二基站的第四PC5资源信息,所述第四PC5资源信息用于表征第四PC5资源,所述第四PC5资源信息用于所述第一终端在从所述第一基站切换至所述第二基站的过程之后进行PC5接口通信。
  25. 根据权利要求24所述的方法,其特征在于,所述第四PC5资源包括至少一个用于所述第一终端在从所述第一基站切换至所述第二基站的过程之后进行PC5接口通信的PC5资源。
  26. 根据权利要求25所述的方法,其特征在于,所述第四PC5资源包括所述第一PC5资源。
  27. 一种用于无线通信的装置,其特征在于,包括:
    存储器,用于存储计算机指令;
    处理器,用于执行所述存储器中存储的计算机指令,使得所述用于无线通信的装置执行如权利要求1至7中任一项所述的方法或如权利要求8至18中任一项所述的方法或如权利要求19至26中任一项所述的方法。
  28. 一种计算机可读存储介质,其特征在于,其上存储有计算机程序,所述计算机程序被用于无线通信的装置执行时,使得所述用于无线通信的装置执行如权利要求1至7中任一项所述的方法或如权利要求8至18中任一项所述的方法或如权利要求19至26中任一项所述的方法。
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