WO2022027341A1 - 无线通信方法和终端设备 - Google Patents

无线通信方法和终端设备 Download PDF

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Publication number
WO2022027341A1
WO2022027341A1 PCT/CN2020/107171 CN2020107171W WO2022027341A1 WO 2022027341 A1 WO2022027341 A1 WO 2022027341A1 CN 2020107171 W CN2020107171 W CN 2020107171W WO 2022027341 A1 WO2022027341 A1 WO 2022027341A1
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WIPO (PCT)
Prior art keywords
data packet
communication
relay
qos parameter
protocol data
Prior art date
Application number
PCT/CN2020/107171
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English (en)
French (fr)
Inventor
卢前溪
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2020/107171 priority Critical patent/WO2022027341A1/zh
Priority to CN202080102224.7A priority patent/CN115769662A/zh
Publication of WO2022027341A1 publication Critical patent/WO2022027341A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup

Definitions

  • the embodiments of the present application relate to the field of communication, and more particularly, to a wireless communication method and a terminal device.
  • End-to-end communication refers to end-to-end communication.
  • V2V Vehicle to Vehicle
  • V2X Vehicle to Everything
  • D2D Device to Device
  • the sender sends a Direct Communication Request (DCR) message to the receiver, and if the receiver responds to the DCR message, the receiver and the sender can communicate directly.
  • DCR Direct Communication Request
  • a wireless communication method and terminal device are provided, which can not only realize end-to-end communication, but also ensure the communication quality of end-to-end communication.
  • a wireless communication method including:
  • a second QoS parameter for point-to-point communication is determined based on the first QoS parameter.
  • a terminal device for executing the method in the above-mentioned first aspect or each of its implementations.
  • the terminal device includes a functional module for executing the method in the first aspect or each implementation manner thereof.
  • a terminal device including a processor and a memory.
  • the memory is used for storing a computer program
  • the processor is used for calling and running the computer program stored in the memory, so as to execute the method in the above-mentioned first aspect or each implementation manner thereof.
  • a chip which is used to implement the method in the above-mentioned first aspect or each of its implementation manners.
  • the chip includes: a processor for calling and running a computer program from a memory, so that a device installed with the chip executes any one of the above-mentioned first to second aspects or each of its implementations method in .
  • a computer-readable storage medium for storing a computer program, and the computer program causes a computer to execute the method in the above-mentioned first aspect or each of its implementations.
  • a computer program product comprising computer program instructions, the computer program instructions cause a computer to perform the method in the first aspect or each of the implementations thereof.
  • a computer program which, when run on a computer, causes the computer to execute the method in each of the implementations of the above-mentioned first aspect.
  • the second QoS parameter it is equivalent to converting the QoS parameters used for the end-to-end communication into the QoS used for the point-to-point communication during the process of converting the end-to-end communication into the point-to-point communication. parameters, whereby the communication quality of the end-to-end communication can be guaranteed even if the end-to-end communication is converted into a point-to-point communication.
  • FIG. 1 is an example of a system framework provided by an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a wireless communication method according to an embodiment of the present application.
  • FIG. 3 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 4 is another schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 5 is a schematic block diagram of a chip provided by an embodiment of the present application.
  • FIG. 1 is an example of a system framework 100 provided by an embodiment of the present application.
  • the system framework 100 may include a first remote terminal 110, a first relay terminal 120, a second relay terminal 130, and a second remote terminal 140.
  • the first remote terminal 110 may be The first relay terminal 120 and the second relay terminal 130 communicate with the second remote terminal 140, the first remote terminal 110, the first relay terminal 120, the Both the second relay terminal 130 and the second remote terminal 140 support the 3rd Generation Partnership Project (The 3rd Generation Partnership Project, 3GPP) New Radio (NR) PC5 interface protocol.
  • 3rd Generation Partnership Project The 3rd Generation Partnership Project, 3GPP
  • NR New Radio
  • the first remote terminal 110 , the first relay terminal 120 , the second relay terminal 130 , and the second remote terminal 140 may have performed the process through the network when there is network coverage. certified terminal equipment.
  • the first remote terminal 110 and the second remote terminal 140 may be terminal devices authenticated as being able to access the wireless network through a relay terminal, in other words, the first remote terminal 110 and the first remote terminal 140
  • Two remote terminals are authorized to act as remote user equipment (Remote UE).
  • the first relay terminal 120 and the second relay terminal 130 may be terminal devices that are certified as being able to work as relay nodes.
  • the first remote terminal 110, the first relay terminal 120, the second relay terminal 130, and the second remote terminal 140 may all be authorized to send and receive relay discovery-related message, the relay discovery-related message may include a discovery message and a discovery request message.
  • the first remote terminal 110, the first relay terminal 120, the second relay terminal 130, and the second remote terminal 140 may be any device configured with a physical layer and a medium access control layer.
  • a device or apparatus, a terminal device may also be called an access terminal.
  • UE User Equipment
  • subscriber unit subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user equipment.
  • the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a wireless Communication-enabled handheld devices, computing devices or other linear processing devices connected to wireless modems, in-vehicle devices, wearable devices, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the embodiment of the present invention is described by taking a vehicle-mounted terminal as an example, but is not limited thereto.
  • the first remote terminal 110 and the second remote terminal 140 may support an end-to-end protocol stack, and the end-to-end protocol stack may include the Packet Data Convergence Protocol (Packet Data Convergence Protocol) of the 3GPP PC5 interface.
  • Packet Data Convergence Protocol Packet Data Convergence Protocol
  • Described user plane protocol layer includes but not limited to Service Data Adaptation Protocol (Service Data Adaptation Protocol, SDAP) layer and Internet Protocol (Internet Protocol, IP) layer
  • described control plane protocol layer includes but not limited to Radio Resource Control (Radio Resource Control (Radio Resource Control) Resource Control, RRC) layer and Non-Access Stratum (NAS).
  • the first remote terminal 110, the first relay terminal 120, the second relay terminal 130, and the second remote terminal 140 may support a point-to-point protocol stack
  • the The point-to-point protocol stack may include the layer 2 (L2) and layer 1 (L1) protocol stacks of the 3GPP PC5 interface, the L1 and L2 protocol stacks including but not limited to the Radio Link Layer Control (Radio Link Control, RLC) layer, Media Access Control (MAC) layer and physical (PHY) layer.
  • a relay protocol layer may also be included between the PDCP protocol layer and the PC5 layer 1/2 protocol layer. The functions of the relay protocol layer can be used to transmit data packets and related control information between remote terminals through the relay terminal.
  • the first remote terminal (Remote UE) 110 can be connected to the second remote terminal 140 through the first relay terminal 120 and the second relay terminal 130 .
  • the first remote terminal 110 and the first relay terminal 120, the first relay terminal 120 and the second relay terminal 130, the second relay terminal and the Both the two remote terminals 140 can be connected or communicated through the PC5 interface of the 3GPP system.
  • the end-to-end connection or communication between the first remote terminal 110 and the second remote terminal 140 may also be performed through the PC5 interface of the 3GPP system.
  • FIG. 1 is only an example of the present application, and should not be construed as a limitation of the present application.
  • the system framework 100 may be a system framework in which any terminal passes through a relay terminal to another terminal.
  • the frame 100 may be a system frame from the vehicle-mounted terminal to the vehicle-mounted terminal through the relay terminal.
  • the remote vehicle goes to the remote vehicle via the relay vehicle, the remote vehicle goes to other devices via the relay device, the remote terminal goes to the remote terminal via the relay terminal, and so on.
  • the number of relay terminals is 2, but this application is not limited to that.
  • the present application can also be applied to a system framework for end-to-end communication through one or more relay terminals.
  • FIG. 2 shows a schematic flowchart of a wireless communication method 200 according to an embodiment of the present application, and the method 200 may be executed by a terminal device.
  • the terminal device may be any of the first remote terminal 110, the first relay terminal 120, the second relay terminal 130, and the second remote terminal 140 as shown in FIG. 1 . one.
  • the method 200 can be applied to the sender, the relay terminal and the receiver in the end-to-end communication.
  • the method 200 is described below by taking the first remote terminal shown in FIG. 1 as the sending end and the second remote terminal shown in FIG. 1 as the receiving end as an example.
  • the method 200 may include some or all of the following:
  • S210 Determine a first quality of service (Quality of service, QoS) parameter for end-to-end communication.
  • QoS Quality of service
  • the second QoS parameter may be determined based on the first QoS parameter, and then the second QoS parameter may be determined based on the first QoS parameter.
  • the second QoS parameter is for point-to-point communication.
  • the first remote terminal, the relay terminal between the first remote terminal and the second remote terminal, and the second remote terminal all have corresponding identifiers, and the identifiers are available to uniquely identify terminal equipment.
  • data packets sent from one node to another node can contain source identification (SOURCE ID) and destination identification (DESTINATION ID).
  • SOURCE ID source identification
  • DESTINATION ID destination identification
  • the two remote terminals can reuse the identifiers used in the point-to-point communication.
  • the second QoS parameter By constructing the second QoS parameter, it is equivalent to converting the QoS parameters used for the end-to-end communication into the QoS parameters used for the point-to-point communication in the process of converting the end-to-end communication into the point-to-point communication, thus, Even if the end-to-end communication is converted into a point-to-point communication, the communication quality of the end-to-end communication can be guaranteed.
  • the method 200 may further include:
  • a radio bearer for the point-to-point communication is established based on the second QoS parameter.
  • the first remote terminal, the relay terminal or the second remote terminal establishes the PC5 radio bearer of the point-to-point communication based on the second QoS parameter.
  • one radio bearer may be used to carry at least one QoS flow.
  • the S220 may include:
  • the second QoS is determined based on the number of PC5 interfaces in the end-to-end communication and the first QoS parameter.
  • the first remote terminal, the relay terminal, or the second remote terminal may, based on the end-to-end communication
  • the number of PC5 interfaces and the first QoS parameter, the second QoS parameter is determined, and then the radio bearer in the point-to-point communication can be established based on the second QoS parameter.
  • the number of PC5 interfaces in the end-to-end communication may also be used to indicate the number of relay terminals between the first remote terminal and the second remote terminal. For example, if the number of PC5 interfaces in the end-to-end communication is 3, the number of relay terminals between the first remote terminal and the second remote terminal is 2.
  • the packet delay budget (packet delay budget, PDB) in the second QoS parameter is equal to 1/N of the PDB in the first QoS parameter, and N is the The number of PC5 interfaces in end-to-end communication.
  • the PDB of the radio bearer in the point-to-point communication is equal to 1/N of the PDB of the radio bearer in the end-to-end communication.
  • PDB(P2P) PDB(E2E)/N.
  • PDB represents a PDB used for peer-to-peer communication
  • PDB represents a PDB used for end-to-end communication
  • a PDB for end-to-end communication is determined before establishing an end-to-end radio bearer between remote terminals.
  • a point-to-point radio bearer Before establishing a point-to-point radio bearer between the remote terminal and the relay terminal or between the relay terminals, it is necessary to determine the PDB for end-to-end communication and the number (N) of PC5 interfaces between the remote terminals.
  • PDB for point-to-point communication For example, the PDB for point-to-point communication is equal to 1/N of the PDB for end-to-end communication.
  • the PDB on the PC5 interface in the point-to-point communication can meet the requirements of the PDB on the PC5 interface in the end-to-end communication. Require.
  • the packet loss rate in the second QoS parameter is equal to the 1/N power of the packet loss rate in the first QoS parameter, and N is the terminal The number of PC5 interfaces in end-to-end communication.
  • the packet loss rate of the radio bearer in the point-to-point communication is equal to the 1/N power of the packet loss rate of the radio bearer in the end-to-end communication.
  • PER(P2P) (PER(E2E)) ⁇ (1/N).
  • PER(P2P) represents the packet loss rate for point-to-point communication
  • the PER(E2E) represents the packet loss rate for end-to-end communication
  • the symbol ⁇ is an exponentiation operator
  • the packet loss rate for end-to-end communication is determined before establishing an end-to-end radio bearer between remote terminals.
  • the packet loss rate for point-to-point communication is equal to the 1/N power of the packet loss rate for end-to-end communication.
  • the data packet loss rate in the end-to-end communication is The rate is equal to the product of the packet loss rate in each segment of point-to-point communication.
  • the packet loss rate on the PC can meet the requirements of the packet loss rate on the PC5 interface in end-to-end communication.
  • the parameters other than the PDB and the packet loss rate in the second QoS parameter are the same as the parameters in the first QoS parameter.
  • the remote terminal or the relay terminal may establish the PC5 radio bearer for the point-to-point communication according to the converted QoS parameters for the point-to-point communication.
  • the number of PC5 interfaces in the end-to-end communication is a value obtained through a counter in the relay protocol layer.
  • the counter is used to count the number of times of sending or receiving the first relay protocol data packet, and the first protocol data packet is sent by the first remote terminal to the second through the relay terminal
  • the data packet of the remote terminal, the final count value in the first relay protocol data packet is used to determine the number of PC5 interfaces in the end-to-end communication.
  • the second remote terminal may determine the PC5 interface in the end-to-end communication based on the count value in the relay protocol data packet after passing through the relay protocol layer. quantity. For example, the number of PC5 interfaces in the end-to-end communication is equal to the final count value in the first relay protocol data packet.
  • the counter is used to count the number of times the first relay protocol data packet is sent, the initial count value in the first relay protocol data packet is 1, and the relay protocol data packet passes through the relay terminal's When the relay protocol layer is used, the count value in the first relay protocol data packet is incremented by 1. When the first relay protocol data packet passes through the relay protocol layer of the second remote terminal, the relay protocol data The count value in the packet does not change.
  • the counter is used to count the number of times the first relay protocol data packet is received, the initial count value in the relay protocol data packet is 0, and the relay protocol data packet passes through the middle of the relay terminal. 1 is added respectively when following the protocol layer and when passing through the relay protocol layer of the second remote terminal.
  • the counter can also be used to count other information, which is not specifically limited in this application.
  • the counter may also be used to count the number of relay terminals between the first remote terminal and the second remote terminal that the first relay protocol data packet passes through.
  • the The number of PC5 interfaces in the end-to-end communication is equal to the number of relay terminals of the first remote terminal and the second remote terminal plus 1.
  • the first relay protocol data packet includes the first QoS parameter.
  • the first QoS parameter may be used for a relay terminal between the first remote terminal and the second remote terminal, and the second remote terminal determines the second QoS parameter.
  • the number of PC5 interfaces in the end-to-end communication is a value indicated by a second relay protocol data packet including a response message
  • the second relay protocol data packet is the first relay protocol data packet.
  • the second relay protocol data packet further includes the first QoS parameter and/or the second QoS parameter.
  • the second remote terminal may indicate the number of PC5 interfaces in the end-to-end communication to the first remote terminal or the first remote terminal through the second relay protocol data packet A relay terminal between the terminal and the second remote terminal.
  • the second remote terminal may also notify the connection between the first remote terminal and the second remote terminal of the determined first QoS parameter through the second relay protocol data packet. relay terminal between.
  • the relay terminal can determine the second QoS parameter based on the first QoS parameter and the number of PC5 interfaces in the end-to-end communication.
  • the second remote terminal may also notify the first remote terminal of the second QoS parameter through the second relay protocol data packet, or the first remote terminal to The relay terminal between the second remote terminals, so that the first remote terminal, or the relay terminal between the first remote terminal and the second remote terminal directly balances the received
  • the second QoS parameter establishes a point-to-point radio bearer.
  • the number of PC5 interfaces or the number of relay terminals in the end-to-end communication is preset, and/or the maximum number of PC5 interfaces or relay terminals in the end-to-end communication The maximum number of is configured.
  • the first remote terminal, the relay terminal and the second remote terminal all know the number of PC5 interfaces in the end-to-end communication or the number of relay terminals in the end-to-end communication.
  • the number of relay terminals in the end-to-end communication may be used to determine the number of PC5 interfaces in the end-to-end communication. Based on this, the first remote terminal can exchange link establishment request and response messages with the second remote terminal through the relay terminal.
  • the first remote terminal and the second remote terminal determine the end-to-end QoS parameters of the QoS flow (QoS flow) to be established, that is, the first QoS parameters; then, the first A remote terminal, relay terminal, and the second remote terminal may determine the second QoS parameter based on the first QoS parameter and the number of PC5 interfaces in the end-to-end communication, and based on the second QoS parameter
  • the QoS parameters establish the radio bearer.
  • the number of PC5 interfaces or the number of relay terminals in the end-to-end communication can also be configured, and/or the maximum number of PC5 interfaces or the number of relay terminals in the end-to-end communication
  • the maximum number is preset. Presets in this application may also be referred to as predefined, for example, predefined in standard protocols.
  • the configuration in this application may refer to the configuration of the network device, for example, static configuration, semi-static configuration or dynamic configuration.
  • the number of PC5 interfaces in the end-to-end communication is greater than or equal to 2.
  • the number of PC5 interfaces in the end-to-end communication is equal to three.
  • the method 200 may further include:
  • a communication link for the point-to-point communication is established.
  • the first remote terminal, the relay terminal or the second remote terminal may establish the communication link of the point-to-point communication before establishing the radio bearer.
  • the link establishment request message of the communication link includes the second QoS parameter.
  • a radio bearer for point-to-point communication can be established between the first remote terminal and the relay terminal.
  • the size of the sequence numbers of the above-mentioned processes does not mean the sequence of execution, and the execution sequence of each process should be determined by its functions and internal logic, and should not be dealt with in the present application.
  • the implementation of the embodiments constitutes no limitation.
  • the terms “downlink” and “uplink” are used to indicate the transmission direction of signals or data, wherein “downlink” is used to indicate that the transmission direction of signals or data is from the site to the user equipment of the cell In the first direction, “uplink” is used to indicate that the transmission direction of the signal or data is the second direction sent from the user equipment of the cell to the site.
  • downlink signal indicates that the transmission direction of the signal is the first direction.
  • the term “and/or” is only an association relationship that describes an associated object, indicating that there may be three kinds of relationships. Specifically, A and/or B can represent three situations: A exists alone, A and B exist at the same time, and B exists alone.
  • the character "/" in this document generally indicates that the related objects are an "or" relationship.
  • FIG. 3 is a schematic block diagram of a terminal device 300 according to an embodiment of the present application.
  • the terminal device may be a sending remote terminal or a receiving remote terminal, and may also be a relay terminal.
  • the terminal device may be any one of the first remote terminal, the second remote terminal, or a relay terminal between the first remote terminal and the second remote terminal.
  • the terminal device 300 may include:
  • a processing unit 310 is included, and the processing unit 310 is configured to:
  • a second QoS parameter for point-to-point communication is determined based on the first QoS parameter.
  • the processing unit 310 is further configured to:
  • a radio bearer for the point-to-point communication is established based on the second QoS parameter.
  • the processing unit 310 is specifically configured to:
  • the second QoS is determined based on the number of PC5 interfaces in the end-to-end communication and the first QoS parameter.
  • the packet delay budget PDB in the second QoS parameter is equal to 1/N of the PDB in the first QoS parameter, and N is PC5 in the end-to-end communication the number of interfaces.
  • the packet loss rate in the second QoS parameter is equal to the 1/N power of the packet loss rate in the first QoS parameter, and N is the terminal The number of PC5 interfaces in end-to-end communication.
  • the parameters in the second QoS parameter except the data packet delay budget PDB and the data packet loss rate are the same as the parameters in the first QoS parameter.
  • the number of PC5 interfaces in the end-to-end communication is a value obtained through a counter in the relay protocol layer.
  • the counter is used to count the number of times of sending or receiving the first relay protocol data packet, and the first protocol data packet is sent by the first remote terminal to the second through the relay terminal
  • the data packet of the remote terminal, the final count value in the first relay protocol data packet is used to determine the number of PC5 interfaces in the end-to-end communication.
  • the counter is used to count the number of times the first relay protocol data packet is sent, and the initial count value in the first relay protocol data packet is 1, and the relay protocol data packet has an initial count value of 1.
  • the count value in the first relay protocol data packet is incremented by 1, and the first relay protocol data packet passes through the relay protocol layer of the second remote terminal. At this time, the count value in the relay protocol data packet does not change.
  • the counter is used to count the number of times the first relay protocol data packet is received, the initial count value in the relay protocol data packet is 0, and the relay protocol data packet When passing through the relay protocol layer of the relay terminal and when passing through the relay protocol layer of the second remote terminal, add 1 respectively.
  • the number of PC5 interfaces in the end-to-end communication is equal to the final count value in the first relay protocol data packet.
  • the first relay protocol data packet includes the first QoS parameter.
  • the number of PC5 interfaces in the end-to-end communication is a value indicated by a second relay protocol data packet including a response message, and the second relay protocol data packet is the first relay protocol data packet.
  • the second relay protocol data packet further includes the first QoS parameter and/or the second QoS parameter.
  • the number of PC5 interfaces or the number of relay terminals in the end-to-end communication is preset, and/or the maximum number of PC5 interfaces or relay terminals in the end-to-end communication The maximum number of is configured.
  • the number of PC5 interfaces in the end-to-end communication is greater than or equal to 2.
  • the processing unit 310 is further configured to:
  • a communication link for the point-to-point communication is established.
  • the link establishment request message of the communication link includes the second QoS parameter.
  • the apparatus embodiments and the method embodiments may correspond to each other, and similar descriptions may refer to the method embodiments.
  • the terminal device 300 shown in FIG. 3 may correspond to the corresponding subject in executing the method 200 of the embodiment of the present application, and the aforementioned and other operations and/or functions of the various units in the terminal device 300 are respectively for the purpose of realizing the method shown in FIG. 1 .
  • the corresponding processes in each of the methods are not repeated here.
  • the steps of the method embodiments in the embodiments of the present application may be completed by hardware integrated logic circuits in the processor and/or instructions in the form of software, and the steps of the methods disclosed in conjunction with the embodiments of the present application may be directly embodied as hardware
  • the execution of the decoding processor is completed, or the execution is completed by a combination of hardware and software modules in the decoding processor.
  • the software modules may be located in random access memory, flash memory, read-only memory, programmable read-only memory, electrically erasable programmable memory, registers, and other storage media mature in the art.
  • the storage medium is located in the memory, and the processor reads the information in the memory, and completes the steps in the above method embodiments in combination with its hardware.
  • processing unit and the communication unit referred to above may be implemented by a processor and a transceiver, respectively.
  • FIG. 4 is a schematic structural diagram of a communication device 400 according to an embodiment of the present application.
  • the communication device 400 may include a processor 410 .
  • the processor 410 may call and run a computer program from the memory to implement the methods in the embodiments of the present application.
  • the communication device 400 may further include a memory 420 .
  • the memory 420 may be used to store instruction information, and may also be used to store codes, instructions, etc. executed by the processor 410 .
  • the processor 410 may call and run a computer program from the memory 420 to implement the methods in the embodiments of the present application.
  • the memory 420 may be a separate device independent of the processor 410 , or may be integrated in the processor 410 .
  • the communication device 400 may further include a transceiver 430 .
  • the processor 410 may control the transceiver 430 to communicate with other devices, specifically, may send information or data to other devices, or receive information or data sent by other devices.
  • Transceiver 430 may include a transmitter and a receiver.
  • the transceiver 430 may further include antennas, and the number of the antennas may be one or more.
  • the various components in the communication device 400 are connected through a bus system, wherein the bus system includes a power bus, a control bus and a status signal bus in addition to a data bus.
  • the communication device 400 may be used to implement the corresponding processes implemented by the terminal device in each method of the embodiment of the present application, that is, the communication device 400 of the embodiment of the present application may correspond to the terminal device in the embodiment of the present application 300, and may correspond to the corresponding subject in executing the method 200 according to the embodiment of the present application, which is not repeated here for brevity.
  • the embodiment of the present application also provides a chip.
  • the chip may be an integrated circuit chip, which has a signal processing capability, and can implement or execute the methods, steps, and logic block diagrams disclosed in the embodiments of the present application.
  • the chip may also be referred to as a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip, or the like.
  • the chip can be applied to various communication devices, so that the communication device installed with the chip can execute the methods, steps and logic block diagrams disclosed in the embodiments of the present application.
  • FIG. 5 is a schematic structural diagram of a chip 500 according to an embodiment of the present application.
  • the chip 500 includes a processor 510 .
  • the processor 510 may call and run a computer program from the memory to implement the methods in the embodiments of the present application.
  • the chip 500 may further include a memory 520 .
  • the processor 510 may call and run a computer program from the memory 520 to implement the methods in the embodiments of the present application.
  • the memory 520 may be used to store instruction information, and may also be used to store codes, instructions, etc. executed by the processor 510 .
  • the memory 520 may be a separate device independent of the processor 510 , or may be integrated in the processor 510 .
  • the chip 500 may further include an input interface 530 .
  • the processor 510 may control the input interface 530 to communicate with other devices or chips, and specifically, may acquire information or data sent by other devices or chips.
  • the chip 500 may further include an output interface 540 .
  • the processor 510 may control the output interface 540 to communicate with other devices or chips, and specifically, may output information or data to other devices or chips.
  • the chip 500 can be applied to the network device in the embodiments of the present application, and the chip can implement the corresponding processes implemented by the network device in the various methods in the embodiments of the present application, and can also implement the various methods in the embodiments of the present application.
  • the corresponding process implemented by the terminal device in FIG. 1 is not repeated here.
  • each component in the chip 500 is connected through a bus system, wherein the bus system includes a power bus, a control bus and a status signal bus in addition to a data bus.
  • the processors referred to above may include, but are not limited to:
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • the processor may be used to implement or execute the methods, steps, and logical block diagrams disclosed in the embodiments of this application.
  • the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied as executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in random access memory, flash memory, read-only memory, programmable read-only memory or erasable programmable memory, registers and other storage media mature in the art.
  • the storage medium is located in the memory, and the processor reads the information in the memory, and completes the steps of the above method in combination with its hardware.
  • the memory mentioned above includes but is not limited to:
  • Non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM, PROM), an erasable programmable read-only memory (Erasable PROM, EPROM), an electrically programmable read-only memory (Erasable PROM, EPROM). Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. Volatile memory may be Random Access Memory (RAM), which acts as an external cache.
  • RAM Random Access Memory
  • RAM Static RAM
  • DRAM Dynamic RAM
  • SDRAM Synchronous DRAM
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • enhanced SDRAM ESDRAM
  • synchronous link dynamic random access memory SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • Embodiments of the present application also provide a computer-readable storage medium for storing a computer program.
  • the computer-readable storage medium stores one or more programs, the one or more programs including instructions that, when executed by a portable electronic device including a plurality of application programs, enable the portable electronic device to perform the implementation shown in method 200 example method.
  • the computer-readable storage medium can be applied to the network device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application.
  • the computer program enables the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application. , and are not repeated here for brevity.
  • the embodiments of the present application also provide a computer program product, including a computer program.
  • the computer program product can be applied to the network device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the network device in each method of the embodiments of the present application. Repeat.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application, in order to It is concise and will not be repeated here.
  • a computer program is also provided in the embodiments of the present application.
  • the computer program When the computer program is executed by a computer, the computer can execute the method of the embodiment shown in method 200 .
  • the computer program can be applied to the network device in the embodiments of the present application.
  • the computer program When the computer program is run on the computer, it causes the computer to execute the corresponding processes implemented by the network device in each method of the embodiments of the present application. For the sake of brevity. , and will not be repeated here.
  • an embodiment of the present application further provides a communication system, which may include the above-mentioned terminal equipment and network equipment to form a communication system 100 as shown in FIG. 1 , which is not repeated here for brevity.
  • a communication system which may include the above-mentioned terminal equipment and network equipment to form a communication system 100 as shown in FIG. 1 , which is not repeated here for brevity.
  • system and the like in this document may also be referred to as “network management architecture” or “network system” and the like.
  • a software functional unit If implemented in the form of a software functional unit and sold or used as a stand-alone product, it may be stored in a computer-readable storage medium.
  • the technical solutions of the embodiments of the present application can be embodied in the form of software products in essence, or the parts that make contributions to the prior art or the parts of the technical solutions, and the computer software products are stored in a storage medium , including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the embodiments of the present application.
  • the aforementioned storage medium includes: a U disk, a removable hard disk, a read-only memory, a random access memory, a magnetic disk or an optical disk and other media that can store program codes.
  • division of units, modules or components in the apparatus embodiments described above is only a logical function division, and other division methods may be used in actual implementation.
  • multiple units, modules or components may be combined or integrated.
  • To another system, or some units or modules or components can be ignored, or not implemented.
  • the above-mentioned units/modules/components described as separate/display components may or may not be physically separated, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units/modules/components may be selected according to actual needs to achieve the purpose of the embodiments of the present application.

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Abstract

提供了一种无线通信方法和终端设备,所述方法包括:确定用于端到端通信的第一服务质量流QoS参数;基于所述第一QoS参数确定用于点对点通信的第二QoS参数。通过构造所述第二QoS参数,相当于,在所述端到端通信转换为点对点通信的过程中,也将用于端到端通信的QoS参数转换为用于点对点的QoS参数,由此,即使将端到端通信转换为点对点通信,也能够保证所述端到端通信的通信质量。

Description

无线通信方法和终端设备 技术领域
本申请实施例涉及通信领域,并且更具体地,涉及无线通信方法和终端设备。
背景技术
端到端通信指终端到终端的通信。例如,车辆到车辆(Vehicle to Vehicle,V2V)、车辆到其他设备(Vehicle to Everything,V2X)、终端到终端(Device to Device,D2D)等。具体的,发送端向接收端发送直接通信请求(Direct Communication Request,DCR)消息,如果接收端响应了所述DCR消息,则接收端和发送端之间可以直接进行通讯。
如果发送端和请求端之间的距离过远,则需要通过中继终端实现发送端和请求端之间的端到端通信,但是,通过中继终端进行实现的端到端通信,无法保证通信质量。
发明内容
提供了一种无线通信方法和终端设备,不仅能够实现端到端通信,还能够保证端到端通信的通信质量。
第一方面,提供了一种无线通信方法,包括:
确定用于端到端通信的第一服务质量流QoS参数;
基于所述第一QoS参数确定用于点对点通信的第二QoS参数。
第二方面,提供了一种终端设备,用于执行上述第一方面或其各实现方式中的方法。具体地,所述终端设备包括用于执行上述第一方面或其各实现方式中的方法的功能模块。
第三方面,提供了一种终端设备,包括处理器和存储器。所述存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,以执行上述第一方面或其各实现方式中的方法。
第四方面,提供了一种芯片,用于实现上述第一方面或其各实现方式中的方法。具体地,所述芯片包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如上述第一方面至第二方面中的任 一方面或其各实现方式中的方法。
第五方面,提供了一种计算机可读存储介质,用于存储计算机程序,所述计算机程序使得计算机执行上述第一方面或其各实现方式中的方法。
第六方面,提供了一种计算机程序产品,包括计算机程序指令,所述计算机程序指令使得计算机执行上述第一方面或其各实现方式中的方法。
第七方面,提供了一种计算机程序,当其在计算机上运行时,使得计算机执行上述第一方面其各实现方式中的方法。
基于以上技术方案,通过构造所述第二QoS参数,相当于,在所述端到端通信转换为点对点通信的过程中,也将用于端到端通信的QoS参数转换为用于点对点的QoS参数,由此,即使将端到端通信转换为点对点通信,也能够保证所述端到端通信的通信质量。
附图说明
图1是本申请实施例提供的系统框架的示例。
图2是本申请实施例的无线通信方法的示意性流程图。
图3是本申请实施例的终端设备的示意性框图。
图4是本申请实施例的终端设备的另一示意性框图。
图5是本申请实施例提供的芯片的示意性框图。
具体实施方式
下面将结合附图,对本发明实施例中的技术方案进行描述。
图1是本申请实施例提供的系统框架100的示例。
如图1所示,所述系统框架100可包括第一远端终端110、第一中继终端120、第二中继终端130以及第二远端终端140,所述第一远端终端110可通过所述第一中继终端120以及所述第二中继终端130与所述第二远端终端140进行通信,所述第一远端终端110、所述第一中继终端120、所述第二中继终端130以及所述第二远端终端140均支持第三代合作伙伴计划(The 3rd Generation Partnership Project,3GPP)新空口(New Radio,NR)PC5接口协议。
作为示例,所述第一远端终端110、所述第一中继终端120、所述第二中继终端130以及所述第二远端终端140可以是在有网络覆盖的时候已经通 过网络进行了认证的终端设备。所述第一远端终端110和所述第二远端终端140可以是被认证为可以通过中继终端接入到无线网络的终端设备,换言之,所述第一远端终端110和所述第二远端终端被授权可以作为远端用户设备(Remote UE)。所述第一中继终端120和所述第二中继终端130可以是被认证为可以作为中继节点工作的终端设备。所述第一远端终端110、所述第一中继终端120、所述第二中继终端130以及所述第二远端终端140都可被授权为可以发送和接收与中继发现相关的消息,所述与中继发现相关的消息可包括发现消息和发现请求消息。
其中,所述第一远端终端110、所述第一中继终端120、所述第二中继终端130以及所述第二远端终端140可以是任何配置有物理层和媒体接入控制层的设备或装置,终端设备也可称为接入终端。例如,用户设备(User Equipment,UE)、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。接入终端可以是蜂窝电话、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、个人数字线性处理(Personal Digital Assistant,PDA)、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线性处理设备、车载设备、可穿戴设备等等。本发明实施例以车载终端为例进行说明,但并不限于此。
如图1所示,所述第一远端终端110和所述第二远端终端140可以支持端到端的协议栈,所述端到端协议栈可以包括3GPP PC5接口的分组数据汇聚协议(Packet Data Convergence Protocol,PDCP)层以及PDCP层之上的上层协议层,所述上层协议层可包括用户面协议层以及控制面协议层。所述用户面协议层包括但不限于服务数据适应协议(Service Data Adaptation Protocol,SDAP)层和互连网的协议(Internet Protocol,IP)层,所述控制面协议层包括但不限于无线资源控制(Radio Resource Control,RRC)层和非接入层(NAS)。
如图1所示,所述第一远端终端110、所述第一中继终端120、所述第二中继终端130以及所述第二远端终端140可以可支持点对点协议栈,所述点对点的协议栈可包括3GPP PC5接口的层2(L2)和层1(L1)的协议栈,所述L1和L2协议栈包括但不限于无线链路层控制(Radio Link Control,RLC)层、媒体接入控制(Media Access Control,MAC)层和物理(PHY) 层。此外,在所述PDCP协议层和PC5层1/2协议层之间还可包括中继协议层。所述中继协议层的功能可以用于在远端终端之间通过中继终端传送数据包和相关的控制信息。
在所述框架100中,所述第一远端终端(Remote UE)110可通过所述第一中继终端120和所述第二中继终端130连接到所述第二远端终端140。具体的,所述第一远端终端110和所述第一中继终端120、所述第一中继终端120和所述第二中继终端130、所述第二中继终端和所述第二远端终端140之间均可以通过3GPP系统的PC5接口进行连接或通信。所述第一远端终端110和所述第二远端终端140之间端到端也可以通过3GPP系统的PC5接口进行连接或通信。
应理解,图1仅为本申请的示例,不应理解为对本申请的限制。
例如,所述系统框架100可以是任一终端通过中继终端到另一终端的系统框架。例如,所述框架100可以是车载终端通过中继终端到车载终端的系统框架。例如,远端车辆通过中继车辆到远端车辆、远端车辆通过中继设备到其他设备、远端终端通过中继终端到远端终端等。
再如,在所述系统框架100中,中继终端的个数是2个,但本申请并不限于成。例如,本申请还可应用于通过一个或者多个中继终端进项端对端通信的系统框架。
图2示出了根据本申请实施例的无线通信方法200的示意性流程图,所述方法200可以由终端设备执行。所述终端设备可以是如图1所示的所述第一远端终端110、所述第一中继终端120、所述第二中继终端130以及所述第二远端终端140中的任一项。换言之,所述方法200可应用于端到端通信中的发送端、中继终端以及接收端。为便于说明,下面以如图1所示的第一远端终端为发送端且如图1所示的第二远端终端为接收端为例,对所述方法200进行说明。
如图2所示,所述方法200可包括以下部分或全部内容:
S210,确定用于端到端通信的第一服务质量(Quality of service,QoS)参数。
S220,基于所述第一QoS参数确定用于点对点通信的第二QoS参数。
例如,所述第一远端终端、中继终端或所述第二远端终端确定所述第一QoS参数后,可以基于所述第一QoS参数确定所述第二QoS参数,然后基 于所述第二QoS参数进行点对点通信。
作为示例,所述第一远端终端、所述第一远端终端到所述第二远端终端之间的中继终端以及所述第二远端终端均有对应的标识,所述标识可用于唯一标识终端设备。在点对点通信中,从一个节点发送到另外一个节点的数据包中可包含源标识(SOURCE ID)和目标标识(DESTINATION ID)。端到端通信的两个远端终端需要进行通信时,所述两个远端终端可以复用点对点通信中所使用到的标识。
通过构造所述第二QoS参数,相当于,在所述端到端通信转换为点对点通信的过程中,也将用于端到端通信的QoS参数转换为用于点对点的QoS参数,由此,即使将端到端通信转换为点对点通信,也能够保证所述端到端通信的通信质量。
在本申请的一些实施例中,所述方法200还可包括:
基于所述第二QoS参数建立所述点对点通信的无线承载。
例如,所述第一远端终端、中继终端或所述第二远端终端基于所述第二QoS参数建立所述点对点通信的PC5无线承载。可选的,一个无线承载可用于承载至少一个QoS流。
在本申请的一些实施例中,所述S220可包括:
获取所述端到端通信中PC5接口的数量;
基于所述端到端通信中PC5接口的数量和所述第一QoS参数,确定所述第二QoS。
例如,所述第一远端终端、中继终端或所述第二远端终端获取所述端到端通信中PC5接口的数量和所述第一QoS参数后,可基于所述端到端通信中PC5接口的数量和所述第一QoS参数,确定所述第二QoS参数,然后,可基于所述第二QoS参数建立点对点通信中的无线承载。
其中,所述端对端通信中PC5接口的数量也可以用于表示所述第一远端终端和所述第二远端终端之间的中继终端的数量。例如,所述端对端通信中PC5接口的数量为3,则所述第一远端终端和所述第二远端终端之间的中继终端的数量为2。
在本申请的一些实施例中,所述第二QoS参数中的数据包时延预算(packet delay budget,PDB)等于所述第一QoS参数中的PDB的1/N,所述N为所述端到端通信中PC5接口的数量。
换言之,所述点对点通信中的无线承载的PDB等于所述端到端通信中的无线承载的PDB的1/N。
或者说,可以采用下述公式确定用于点对点通信的PDB:
PDB(P2P)=PDB(E2E)/N。
其中,PDB(P2P)表示用于点对点通信的PDB,所述PDB(E2E)表示用于端到端通信的PDB。
例如,远端终端之间建立端到端的无线承载之前会确定用于端到端通信的PDB。在远端终端和中继终端之间或中继终端之间建立点对点的无线承载之前需要根据所述用于端到端通信的PDB以及远端终端之间PC5接口的个数(N)确定用于点对点通信的PDB。例如,所述用于点对点通信的PDB等于所述用于端到端通信的PDB的1/N。
通过将所述第二QoS参数中的PDB构造为所述第一QoS参数中的PDB的1/N,可以使得点对点通信中PC5接口上的PDB能够满足端到端通信中PC5接口上的PDB的要求。
在本申请的一些实施例中,所述第二QoS参数中的数据包丢包率等于所述第一QoS参数中的数据包丢包率的1/N次方,所述N为所述端到端通信中PC5接口的数量。
换言之,所述点对点通信中的无线承载的数据包丢包率等于所述端到端通信中的无线承载的数据包丢包率的1/N次方。
或者说,可以采用下述公式确定用于点对点通信的数据包丢包率:
PER(P2P)=(PER(E2E))^(1/N)。
其中,PER(P2P)表示用于点对点通信的数据包丢包率,所述PER(E2E)表示用于端到端通信的数据包丢包率,符号^是幂运算算符。
例如,远端终端之间建立端到端的无线承载之前会确定用于端到端通信的数据包丢包率。在远端终端和中继终端之间或中继终端之间建立点对点的无线承载之前需要根据所述用于端到端通信的数据包丢包率以及远端终端之间PC5接口的个数(N)确定用于点对点通信的数据包丢包率。例如,所述用于点对点通信的数据包丢包率等于所述用于端到端通信的数据包丢包率的1/N次方。
通过将所述第二QoS参数中的数据包丢包率构造为所述第一QoS参数中的数据包丢包率的1/N次方,相当于,将端到端通信中的数据丢包率等于 每段点对点通信中数据丢包率的乘积。比如,点对点通信中的数据丢包率是90%,且N=2,则端到端通信中的数据丢包率等于90%*90%=81%,由此,可以使得点对点通信中PC5接口上的数据包丢包率能够满足端到端通信中PC5接口上的数据包丢包率的要求。
在本申请的一些实施例中,所述第二QoS参数中的除PDB和数据包丢包率之外的参数与所述第一QoS参数中的参数相同。
换言之,在点对点通信中,除了PDB和数据包丢包率之外的参数之外,其他QoS参数在点对点通信中和端到端通信中是相同的。远端终端或中继终端可以根据折算后的用于点对点通信的QoS参数来建立用于点对点通信的PC5无线承载。
在本申请的一些实施例中,所述端到端通信中PC5接口的数量为通过中继协议层中的计数器获取的数值。
在本申请的一些实施例中,所述计数器用于计数第一中继协议数据包的发送次数或接收次数,所述第一协议数据包为第一远端终端通过中继终端发送给第二远端终端的数据包,所述第一中继协议数据包中的最终计数值用于确定所述端到端通信中PC5接口的数量。
相应的,第二远端终端接收到所述中继协议数据包后,可以基于经过中继协议层后的所述中继协议数据包中的计数值,确定所述端到端通信中PC5接口的数量。例如,所述端到端通信中PC5接口的数量等于所述第一中继协议数据包中的最终计数值。
例如,所述计数器用于计数所述第一中继协议数据包的发送次数,所述第一中继协议数据包中的初始计数值为1,所述中继协议数据包经过中继终端的中继协议层时所述第一中继协议数据包中的计数值加1,所述第一中继协议数据包经过所述第二远端终端的中继协议层时所述中继协议数据包中的计数值不变。
再如,所述计数器用于计数所述第一中继协议数据包的接收次数,所述中继协议数据包中的初始计数值为0,所述中继协议数据包经过中继终端的中继协议层时和经过所述第二远端终端的中继协议层时分别加1。
当然,所述计数器也可以用于计数其他信息,本申请对此不限具体限定。例如,所述计数器也可以用于计数所述第一中继协议数据包经过的所述第一远端终端和所述第二远端终端之间的中继终端的数量,此时,所述端到端通 信中PC5接口的数量等于所述第一远端终端和所述第二远端终端的中继终端的数量加1。
在本申请的一些实施例中,所述第一中继协议数据包包括所述第一QoS参数。所述第一QoS参数可用于所述第一远端终端和所述第二远端终端之间的中继终端,以及所述第二远端终端确定所述第二QoS参数。
在本申请的一些实施例中,所述端到端通信中PC5接口的数量为通过包括响应消息的第二中继协议数据包指示的数值,所述第二中继协议数据包为所述第二远端终端通过中继终端发送给所述第一远端终端的数据包。可选的,所述第二中继协议数据包还包括所述第一QoS参数和/或所述第二QoS参数。
换言之,所述第二远端终端可以通过所述第二中继协议数据包,将所述端到端通信中PC5接口的数量指示给所述第一远端终端,或所述第一远端终端到所述第二远端终端之间的中继终端。可选的,所述第二远端终端还可以通过所述第二中继协议数据包,将确定好的第一QoS参数通知给所述第一远端终端到所述第二远端终端之间的中继终端。由此,中继终端可以基于所述第一QoS参数和所述端到端通信中PC5接口的数量,确定所述第二QoS参数。可选的,所述第二远端终端还可以通过所述第二中继协议数据包,将所述第二QoS参数通知给所述第一远端终端,或所述第一远端终端到所述第二远端终端之间的中继终端,以便所述第一远端终端,或所述第一远端终端到所述第二远端终端之间的中继终端直接结余接收到的所述第二QoS参数建立点对点无线承载。
在本申请的一些实施例中,所述端到端通信中PC5接口的数量或中继终端的数量为预设的,和/或所述端到端通信中PC5接口的最大数量或中继终端的最大数量为配置的。
换言之,所述第一远端终端、中继终端以及所述第二远端终端均知道所述端到端通信中PC5接口的数量或者所述端到端通信中中继终端的数量。可选的,所述端到端通信中中继终端的数量可用于确定所述端到端通信中PC5接口的数量。基于此,第一远端终端之间可以通过中继终端与第二远端终端交换链路建立的请求和响应消息。在这个过程中,所述第一远端终端和所述第二远端终端确定需要建立的QoS flow(QoS流)的端到端QoS参数,即所述第一QoS参数;然后,所述第一远端终端、中继终端以及所述第二远端 终端可以基于所述第一QoS参数和所述端到端通信中PC5接口的数量确定所述第二QoS参数,并基于所述第二QoS参数建立无线承载。
当然,可替代的,所述端到端通信中PC5接口的数量或中继终端的数量为也可以是配置的,和/或所述端到端通信中PC5接口的最大数量或中继终端的最大数量为预设的。本申请中的预设也可以称为预定义,例如,标准协议中预定义的。本申请中的配置可以指网络设备配置的,例如,静态配置、半静态配置或动态配置。
在本申请的一些实施例中,所述端到端通信中PC5接口的数量大于或者等于2。例如,所述端到端通信中PC5接口的数量等于3。
在本申请的一些实施例中,所述方法200还可包括:
建立所述点对点通信的通信链路。
例如,所述第一远端终端、中继终端或所述第二远端终端在建立无线承载之间,可建立所述点对点通信的通信链路。
在本申请的一些实施例中,所述通信链路的链路建立请求消息中包括所述第二QoS参数。由此,可基于所述第二QoS参数,在第一远端终端和中继终端之间建立用于点对点通信的无线承载。
以上结合附图详细描述了本申请的优选实施方式,但是,本申请并不限于上述实施方式中的具体细节,在本申请的技术构思范围内,可以对本申请的技术方案进行多种简单变型,这些简单变型均属于本申请的保护范围。例如,在上述具体实施方式中所描述的各个具体技术特征,在不矛盾的情况下,可以通过任何合适的方式进行组合,为了避免不必要的重复,本申请对各种可能的组合方式不再另行说明。又例如,本申请的各种不同的实施方式之间也可以进行任意组合,只要其不违背本申请的思想,其同样应当视为本申请所公开的内容。
还应理解,在本申请的各种方法实施例中,上述各过程的序号的大小并不意味着执行顺序的先后,各过程的执行顺序应以其功能和内在逻辑确定,而不应对本申请实施例的实施过程构成任何限定。此外,在本申请实施例中,术语“下行”和“上行”用于表示信号或数据的传输方向,其中,“下行”用于表示信号或数据的传输方向为从站点发送至小区的用户设备的第一方向,“上行”用于表示信号或数据的传输方向为从小区的用户设备发送至站点的第二方向,例如,“下行信号”表示该信号的传输方向为第一方向。另 外,本申请实施例中,术语“和/或”,仅仅是一种描述关联对象的关联关系,表示可以存在三种关系。具体地,A和/或B可以表示:单独存在A,同时存在A和B,单独存在B这三种情况。另外,本文中字符“/”,一般表示前后关联对象是一种“或”的关系。
上文结合图2详细描述了本申请的方法实施例,下文结合图3至图5,详细描述本申请的装置实施例。
图3是本申请实施例的终端设备300的示意性框图。所述终端设备可以是发送远端终端也可以是接收远端终端,还可以是中继终端。换言之,所述终端设备可以是上述第一远端终端、上述第二远端终端,或所述第一远端终端和所述第二远端终端之间的中继终端中的任一项。
如图3所示,所述终端设备300可包括:
在本申请的一些实施例中,包括处理单元310,所述处理单元310用于:
确定用于端到端通信的第一服务质量流QoS参数;
基于所述第一QoS参数确定用于点对点通信的第二QoS参数。
在本申请的一些实施例中,所述处理单元310还用于:
基于所述第二QoS参数建立所述点对点通信的无线承载。
在本申请的一些实施例中,所述处理单元310具体用于:
获取所述端到端通信中PC5接口的数量;
基于所述端到端通信中PC5接口的数量和所述第一QoS参数,确定所述第二QoS。
在本申请的一些实施例中,所述第二QoS参数中的数据包时延预算PDB等于所述第一QoS参数中的PDB的1/N,所述N为所述端到端通信中PC5接口的数量。
在本申请的一些实施例中,所述第二QoS参数中的数据包丢包率等于所述第一QoS参数中的数据包丢包率的1/N次方,所述N为所述端到端通信中PC5接口的数量。
在本申请的一些实施例中,所述第二QoS参数中的除数据包时延预算PDB和数据包丢包率之外的参数与所述第一QoS参数中的参数相同。
在本申请的一些实施例中,所述端到端通信中PC5接口的数量为通过中继协议层中的计数器获取的数值。
在本申请的一些实施例中,所述计数器用于计数第一中继协议数据包的 发送次数或接收次数,所述第一协议数据包为第一远端终端通过中继终端发送给第二远端终端的数据包,所述第一中继协议数据包中的最终计数值用于确定所述端到端通信中PC5接口的数量。
在本申请的一些实施例中,所述计数器用于计数所述第一中继协议数据包的发送次数,所述第一中继协议数据包中的初始计数值为1,所述中继协议数据包经过中继终端的中继协议层时所述第一中继协议数据包中的计数值加1,所述第一中继协议数据包经过所述第二远端终端的中继协议层时所述中继协议数据包中的计数值不变。
在本申请的一些实施例中,所述计数器用于计数所述第一中继协议数据包的接收次数,所述中继协议数据包中的初始计数值为0,所述中继协议数据包经过中继终端的中继协议层时和经过所述第二远端终端的中继协议层时分别加1。
在本申请的一些实施例中,所述端到端通信中PC5接口的数量等于所述第一中继协议数据包中的最终计数值。
在本申请的一些实施例中,所述第一中继协议数据包包括所述第一QoS参数。
在本申请的一些实施例中,所述端到端通信中PC5接口的数量为通过包括响应消息的第二中继协议数据包指示的数值,所述第二中继协议数据包为所述第二远端终端通过中继终端发送给所述第一远端终端的数据包。
在本申请的一些实施例中,所述第二中继协议数据包还包括所述第一QoS参数和/或所述第二QoS参数。
在本申请的一些实施例中,所述端到端通信中PC5接口的数量或中继终端的数量为预设的,和/或所述端到端通信中PC5接口的最大数量或中继终端的最大数量为配置的。
在本申请的一些实施例中,所述端到端通信中PC5接口的数量大于或者等于2。
在本申请的一些实施例中,所述处理单元310还用于:
建立所述点对点通信的通信链路。
在本申请的一些实施例中,所述通信链路的链路建立请求消息中包括所述第二QoS参数。
应理解,装置实施例与方法实施例可以相互对应,类似的描述可以参照 方法实施例。具体地,图3所示的终端设备300可以对应于执行本申请实施例的方法200中的相应主体,并且终端设备300中的各个单元的前述和其它操作和/或功能分别为了实现图1中的各个方法中的相应流程,为了简洁,在此不再赘述。
上文中结合附图从功能模块的角度描述了本申请实施例的通信设备。应理解,该功能模块可以通过硬件形式实现,也可以通过软件形式的指令实现,还可以通过硬件和软件模块组合实现。
具体地,本申请实施例中的方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路和/或软件形式的指令完成,结合本申请实施例公开的方法的步骤可以直接体现为硬件译码处理器执行完成,或者用译码处理器中的硬件及软件模块组合执行完成。
可选地,软件模块可以位于随机存储器,闪存、只读存储器、可编程只读存储器、电可擦写可编程存储器、寄存器等本领域的成熟的存储介质中。该存储介质位于存储器,处理器读取存储器中的信息,结合其硬件完成上述方法实施例中的步骤。
例如,上文涉及的处理单元和通信单元可分别由处理器和收发器实现。
图4是本申请实施例的通信设备400示意性结构图。
如图4所示,所述通信设备400可包括处理器410。
其中,处理器410可以从存储器中调用并运行计算机程序,以实现本申请实施例中的方法。
请继续参见图4,通信设备400还可以包括存储器420。
其中,该存储器420可以用于存储指示信息,还可以用于存储处理器410执行的代码、指令等。其中,处理器410可以从存储器420中调用并运行计算机程序,以实现本申请实施例中的方法。存储器420可以是独立于处理器410的一个单独的器件,也可以集成在处理器410中。
请继续参见图4,通信设备400还可以包括收发器430。
其中,处理器410可以控制该收发器430与其他设备进行通信,具体地,可以向其他设备发送信息或数据,或接收其他设备发送的信息或数据。收发器430可以包括发射机和接收机。收发器430还可以进一步包括天线,天线的数量可以为一个或多个。
应当理解,该通信设备400中的各个组件通过总线系统相连,其中,总 线系统除包括数据总线之外,还包括电源总线、控制总线和状态信号总线。
还应理解,该通信设备400可用于实现本申请实施例的各个方法中由终端设备实现的相应流程,也就是说,本申请实施例的通信设备400可对应于本申请实施例中的终端设备300,并可以对应于执行根据本申请实施例的方法200中的相应主体,为了简洁,在此不再赘述。
此外,本申请实施例中还提供了一种芯片。
例如,芯片可能是一种集成电路芯片,具有信号的处理能力,可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。所述芯片还可以称为系统级芯片,系统芯片,芯片系统或片上系统芯片等。可选地,该芯片可应用到各种通信设备中,使得安装有该芯片的通信设备能够执行本申请实施例中的公开的各方法、步骤及逻辑框图。
图5是根据本申请实施例的芯片500的示意性结构图。
如图5所示,所述芯片500包括处理器510。
其中,处理器510可以从存储器中调用并运行计算机程序,以实现本申请实施例中的方法。
请继续参见图5,所述芯片500还可以包括存储器520。
其中,处理器510可以从存储器520中调用并运行计算机程序,以实现本申请实施例中的方法。该存储器520可以用于存储指示信息,还可以用于存储处理器510执行的代码、指令等。存储器520可以是独立于处理器510的一个单独的器件,也可以集成在处理器510中。
请继续参见图5,所述芯片500还可以包括输入接口530。
其中,处理器510可以控制该输入接口530与其他设备或芯片进行通信,具体地,可以获取其他设备或芯片发送的信息或数据。
请继续参见图5,所述芯片500还可以包括输出接口540。
其中,处理器510可以控制该输出接口540与其他设备或芯片进行通信,具体地,可以向其他设备或芯片输出信息或数据。
应理解,所述芯片500可应用于本申请实施例中的网络设备,并且该芯片可以实现本申请实施例的各个方法中由网络设备实现的相应流程,也可以实现本申请实施例的各个方法中由终端设备实现的相应流程,为了简洁,在此不再赘述。
还应理解,该芯片500中的各个组件通过总线系统相连,其中,总线系 统除包括数据总线之外,还包括电源总线、控制总线和状态信号总线。
上文涉及的处理器可以包括但不限于:
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)、现场可编程门阵列(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、分立硬件组件等等。
所述处理器可以用于实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。结合本申请实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成,或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器,闪存、只读存储器,可编程只读存储器或者可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器,处理器读取存储器中的信息,结合其硬件完成上述方法的步骤。
上文涉及的存储器包括但不限于:
易失性存储器和/或非易失性存储器。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),其用作外部高速缓存。通过示例性但不是限制性说明,许多形式的RAM可用,例如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(synch link DRAM,SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM,DR RAM)。
应注意,本文描述的存储器旨在包括这些和其它任意适合类型的存储器。
本申请实施例中还提供了一种计算机可读存储介质,用于存储计算机程序。该计算机可读存储介质存储一个或多个程序,该一个或多个程序包括指令,该指令当被包括多个应用程序的便携式电子设备执行时,能够使该便携式电子设备执行方法200所示实施例的方法。
可选的,该计算机可读存储介质可应用于本申请实施例中的网络设备,并且该计算机程序使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程,为了简洁,在此不再赘述。
可选地,该计算机可读存储介质可应用于本申请实施例中的移动终端/终端设备,并且该计算机程序使得计算机执行本申请实施例的各个方法中由移动终端/终端设备实现的相应流程,为了简洁,在此不再赘述。
本申请实施例中还提供了一种计算机程序产品,包括计算机程序。
可选的,该计算机程序产品可应用于本申请实施例中的网络设备,并且该计算机程序使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程,为了简洁,在此不再赘述。
可选地,该计算机程序产品可应用于本申请实施例中的移动终端/终端设备,并且该计算机程序使得计算机执行本申请实施例的各个方法中由移动终端/终端设备实现的相应流程,为了简洁,在此不再赘述。
本申请实施例中还提供了一种计算机程序。当该计算机程序被计算机执行时,使得计算机可以执行方法200所示实施例的方法。
可选的,该计算机程序可应用于本申请实施例中的网络设备,当该计算机程序在计算机上运行时,使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程,为了简洁,在此不再赘述。
此外,本申请实施例还提供了一种通信系统,所述通信系统可以包括上述涉及的终端设备和网络设备,以形成如图1所示的通信系统100,为了简洁,在此不再赘述。需要说明的是,本文中的术语“系统”等也可以称为“网络管理架构”或者“网络系统”等。
还应当理解,在本申请实施例和所附权利要求书中使用的术语是仅仅出于描述特定实施例的目的,而非旨在限制本申请实施例。
例如,在本申请实施例和所附权利要求书中所使用的单数形式的“一种”、“所述”、“上述”和“该”也旨在包括多数形式,除非上下文清楚地表示其他含义。
所属领域的技术人员可以意识到,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,能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行,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实施例的范围。
如果以软件功能单元的形式实现并作为独立的产品销售或使用时,可以存储在一个计算机可读取存储介质中。基于这样的理解,本申请实施例的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本申请实施例所述方法的全部或部分步骤。而前述的存储介质包括:U盘、移动硬盘、只读存储器、随机存取存储器、磁碟或者光盘等各种可以存储程序代码的介质。
所属领域的技术人员可以清楚地了解到,为描述的方便和简洁,上述描述的系统、装置和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。
在本申请提供的几个实施例中,应该理解到,所揭露的系统、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中单元或模块或组件的划分,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,多个单元或模块或组件可以结合或者可以集成到另一个系统,或一些单元或模块或组件可以忽略,或不执行。
又例如,上述作为分离/显示部件说明的单元/模块/组件可以是或者也可以不是物理上分开的,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/模块/组件来实现本申请实施例的目的。
最后,需要说明的是,上文中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。
以上内容,仅为本申请实施例的具体实施方式,但本申请实施例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实施例揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本申请实施例的保护范围之内。因此,本申请实施例的保护范围应以权利要求的保护范围为准。

Claims (41)

  1. 一种无线通信方法,其特征在于,包括:
    确定用于端到端通信的第一服务质量流QoS参数;
    基于所述第一QoS参数确定用于点对点通信的第二QoS参数。
  2. 根据权利要求1所述的方法,其特征在于,所述方法还包括:
    基于所述第二QoS参数建立所述点对点通信的无线承载。
  3. 根据权利要求1或2所述的方法,其特征在于,所述基于所述第一QoS参数确定用于点对点通信的第二QoS参数,包括:
    获取所述端到端通信中PC5接口的数量;
    基于所述端到端通信中PC5接口的数量和所述第一QoS参数,确定所述第二QoS。
  4. 根据权利要求3所述的方法,其特征在于,所述第二QoS参数中的数据包时延预算PDB等于所述第一QoS参数中的PDB的1/N,所述N为所述端到端通信中PC5接口的数量。
  5. 根据权利要求3所述的方法,其特征在于,所述第二QoS参数中的数据包丢包率等于所述第一QoS参数中的数据包丢包率的1/N次方,所述N为所述端到端通信中PC5接口的数量。
  6. 根据权利要求3所述的方法,其特征在于,所述第二QoS参数中的除数据包时延预算PDB和数据包丢包率之外的参数与所述第一QoS参数中的参数相同。
  7. 根据权利要求3至6中任一项所述的方法,其特征在于,所述端到端通信中PC5接口的数量为通过中继协议层中的计数器获取的数值。
  8. 根据权利要求7所述的方法,其特征在于,所述计数器用于计数第一中继协议数据包的发送次数或接收次数,所述第一协议数据包为第一远端终端通过中继终端发送给第二远端终端的数据包,所述第一中继协议数据包中的最终计数值用于确定所述端到端通信中PC5接口的数量。
  9. 根据权利要求8所述的方法,其特征在于,所述计数器用于计数所述第一中继协议数据包的发送次数,所述第一中继协议数据包中的初始计数值为1,所述中继协议数据包经过中继终端的中继协议层时所述第一中继协议数据包中的计数值加1,所述第一中继协议数据包经过所述第二远端终端的 中继协议层时所述中继协议数据包中的计数值不变。
  10. 根据权利要求8所述的方法,其特征在于,所述计数器用于计数所述第一中继协议数据包的接收次数,所述中继协议数据包中的初始计数值为0,所述中继协议数据包经过中继终端的中继协议层时和经过所述第二远端终端的中继协议层时分别加1。
  11. 根据权利要求8所述的方法,其特征在于,所述端到端通信中PC5接口的数量等于所述第一中继协议数据包中的最终计数值。
  12. 根据权利要求8至11中任一项所述的方法,其特征在于,所述第一中继协议数据包包括所述第一QoS参数。
  13. 根据权利要求8至12中任一项所述的方法,其特征在于,所述端到端通信中PC5接口的数量为通过包括响应消息的第二中继协议数据包指示的数值,所述第二中继协议数据包为所述第二远端终端通过中继终端发送给所述第一远端终端的数据包。
  14. 根据权利要求13所述的方法,其特征在于,所述第二中继协议数据包还包括所述第一QoS参数和/或所述第二QoS参数。
  15. 根据权利要求3至6中任一项所述的方法,其特征在于,所述端到端通信中PC5接口的数量或中继终端的数量为预设的,和/或所述端到端通信中PC5接口的最大数量或中继终端的最大数量为配置的。
  16. 根据权利要求3至15中任一项所述的方法,其特征在于,所述端到端通信中PC5接口的数量大于或者等于2。
  17. 根据权利要求1至16中任一项所述的方法,其特征在于,所述方法还包括:
    建立所述点对点通信的通信链路。
  18. 根据权利要求17所述的方法,其特征在于,所述通信链路的链路建立请求消息中包括所述第二QoS参数。
  19. 一种终端设备,其特征在于,包括处理单元,所述处理单元用于:
    确定用于端到端通信的第一服务质量流QoS参数;
    基于所述第一QoS参数确定用于点对点通信的第二QoS参数。
  20. 根据权利要求19所述的终端设备,其特征在于,所述处理单元还用于:
    基于所述第二QoS参数建立所述点对点通信的无线承载。
  21. 根据权利要求19或20所述的终端设备,其特征在于,所述处理单元具体用于:
    获取所述端到端通信中PC5接口的数量;
    基于所述端到端通信中PC5接口的数量和所述第一QoS参数,确定所述第二QoS。
  22. 根据权利要求21所述的终端设备,其特征在于,所述第二QoS参数中的数据包时延预算PDB等于所述第一QoS参数中的PDB的1/N,所述N为所述端到端通信中PC5接口的数量。
  23. 根据权利要求21所述的终端设备,其特征在于,所述第二QoS参数中的数据包丢包率等于所述第一QoS参数中的数据包丢包率的1/N次方,所述N为所述端到端通信中PC5接口的数量。
  24. 根据权利要求21所述的终端设备,其特征在于,所述第二QoS参数中的除数据包时延预算PDB和数据包丢包率之外的参数与所述第一QoS参数中的参数相同。
  25. 根据权利要求21至24中任一项所述的终端设备,其特征在于,所述端到端通信中PC5接口的数量为通过中继协议层中的计数器获取的数值。
  26. 根据权利要求25所述的终端设备,其特征在于,所述计数器用于计数第一中继协议数据包的发送次数或接收次数,所述第一协议数据包为第一远端终端通过中继终端发送给第二远端终端的数据包,所述第一中继协议数据包中的最终计数值用于确定所述端到端通信中PC5接口的数量。
  27. 根据权利要求26所述的终端设备,其特征在于,所述计数器用于计数所述第一中继协议数据包的发送次数,所述第一中继协议数据包中的初始计数值为1,所述中继协议数据包经过中继终端的中继协议层时所述第一中继协议数据包中的计数值加1,所述第一中继协议数据包经过所述第二远端终端的中继协议层时所述中继协议数据包中的计数值不变。
  28. 根据权利要求26所述的终端设备,其特征在于,所述计数器用于计数所述第一中继协议数据包的接收次数,所述中继协议数据包中的初始计数值为0,所述中继协议数据包经过中继终端的中继协议层时和经过所述第二远端终端的中继协议层时分别加1。
  29. 根据权利要求26所述的终端设备,其特征在于,所述端到端通信中PC5接口的数量等于所述第一中继协议数据包中的最终计数值。
  30. 根据权利要求26至29中任一项所述的终端设备,其特征在于,所述第一中继协议数据包包括所述第一QoS参数。
  31. 根据权利要求26至30中任一项所述的终端设备,其特征在于,所述端到端通信中PC5接口的数量为通过包括响应消息的第二中继协议数据包指示的数值,所述第二中继协议数据包为所述第二远端终端通过中继终端发送给所述第一远端终端的数据包。
  32. 根据权利要求31所述的终端设备,其特征在于,所述第二中继协议数据包还包括所述第一QoS参数和/或所述第二QoS参数。
  33. 根据权利要求21至24中任一项所述的终端设备,其特征在于,所述端到端通信中PC5接口的数量或中继终端的数量为预设的,和/或所述端到端通信中PC5接口的最大数量或中继终端的最大数量为配置的。
  34. 根据权利要求19至33中任一项所述的终端设备,其特征在于,所述端到端通信中PC5接口的数量大于或者等于2。
  35. 根据权利要求19至34中任一项所述的终端设备,其特征在于,所述处理单元还用于:
    建立所述点对点通信的通信链路。
  36. 根据权利要求35所述的终端设备,其特征在于,所述通信链路的链路建立请求消息中包括所述第二QoS参数。
  37. 一种终端设备,其特征在于,包括:
    处理器、存储器和收发器,所述存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,以执行权利要求1至20中任一项所述的方法。
  38. 一种芯片,其特征在于,包括:
    处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求1至18中任一项所述的方法。
  39. 一种计算机可读存储介质,其特征在于,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求1至18中任一项所述的方法。
  40. 一种计算机程序产品,其特征在于,包括计算机程序指令,所述计算机程序指令使得计算机执行如权利要求1至18中任一项所述的方法。
  41. 一种计算机程序,其特征在于,所述计算机程序使得计算机执行如权利要求1至18中任一项所述的方法。
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