WO2021030989A1 - 一种路径选择方法及装置、终端 - Google Patents

一种路径选择方法及装置、终端 Download PDF

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Publication number
WO2021030989A1
WO2021030989A1 PCT/CN2019/101152 CN2019101152W WO2021030989A1 WO 2021030989 A1 WO2021030989 A1 WO 2021030989A1 CN 2019101152 W CN2019101152 W CN 2019101152W WO 2021030989 A1 WO2021030989 A1 WO 2021030989A1
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WIPO (PCT)
Prior art keywords
path
transmission path
terminal
service data
network
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Application number
PCT/CN2019/101152
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English (en)
French (fr)
Inventor
刘建华
杨皓睿
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/CN2019/101152 priority Critical patent/WO2021030989A1/zh
Priority to CN201980094525.7A priority patent/CN113615257B/zh
Publication of WO2021030989A1 publication Critical patent/WO2021030989A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing

Definitions

  • the embodiments of the present application relate to the field of mobile communication technology, and specifically relate to a path selection method, device, and terminal.
  • direct communication service apparatus is introduced as a new form of service standards related to standardization.
  • the embodiments of the present application provide a path selection method, device, and terminal.
  • the first terminal determines the transmission path corresponding to the service data according to the path selection rule, and sends the service data to the second terminal or the network on the transmission path.
  • the path selection device provided in the embodiment of the present application is applied to a first terminal, and the device includes:
  • the determining unit is used to determine the transmission path corresponding to the business data according to the path selection rule
  • the sending unit is configured to send the service data to the second terminal or the network on the transmission path.
  • the terminal provided in the embodiment of the present application includes a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the above-mentioned path selection method.
  • the chip provided in the embodiment of the present application is used to implement the above-mentioned path selection method.
  • the chip includes: a processor, configured to call and run a computer program from the memory, so that a device installed with the chip executes the above-mentioned path selection method.
  • the computer-readable storage medium provided by the embodiments of the present application is used to store a computer program, and the computer program causes a computer to execute the above-mentioned path selection method.
  • the computer program product provided by the embodiment of the present application includes computer program instructions, and the computer program instructions cause a computer to execute the above-mentioned path selection method.
  • the computer program provided in the embodiment of the present application when it runs on a computer, causes the computer to execute the above-mentioned path selection method.
  • the technical solution of the embodiment of the present application clarifies the path selection rules, so that the first terminal determines the transmission path corresponding to the service data according to the path selection rules, and sends the service data to the second terminal or the network on the transmission path, In this way, it is realized that the first terminal selects the most suitable transmission path for communication.
  • FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • Figure 2 is a diagram of a network architecture based on D2D technology provided by an embodiment of the present application
  • Fig. 3 is a 5G network architecture diagram provided by an embodiment of the present application.
  • FIG. 4 is a network architecture diagram based on a relay mode provided by an embodiment of the present application.
  • FIG. 5 is a schematic flowchart of a path selection method provided by an embodiment of the present application.
  • FIG. 6 is a schematic diagram of a direct connection path of a terminal provided by an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a network direct connection path based on N6 interface routing provided by an embodiment of the present application.
  • FIG. 8 is a schematic diagram of a network internal path based on core network routing provided by an embodiment of the present application.
  • FIG. 9 is a schematic diagram of the location of the path selection function layer provided by an embodiment of the present application.
  • FIG. 10 is a schematic diagram of the structural composition of a path selection device provided by an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of a chip of an embodiment of the present application.
  • FIG. 13 is a schematic block diagram of a communication system provided by an embodiment of the present application.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA broadband code division multiple access
  • GPRS general packet radio service
  • LTE long term evolution
  • LTE frequency division duplex FDD
  • TDD LTE Time division duplex
  • LTE-A advanced long term evolution
  • NR new radio
  • evolution system of NR system LTE on unlicensed frequency bands (LTE-based access to unlicensed spectrum, LTE-U) system, NR (NR-based access to unlicensed spectrum, NR-U) system on unlicensed frequency bands, universal mobile telecommunication system (UMTS), global Connected microwave access (worldwide interoperability for microwave access, WiMAX) communication systems, wireless local area networks (WLAN), wireless fidelity (WiFi), next-generation communication systems or other communication systems, etc.
  • WiMAX wireless local area networks
  • WiFi wireless fidelity
  • next-generation communication systems or other communication systems etc.
  • D2D device to device
  • M2M machine-to-machine
  • MTC machine type communication
  • V2V vehicle-to-vehicle
  • the communication system 100 applied in the embodiment of the present application is shown in FIG. 1.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal 120 (or called a communication terminal or a terminal).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with terminals located in the coverage area.
  • the network device 110 may be an evolved base station (Evolutional Node B, eNB, or eNodeB) in an LTE system, or a radio controller in a cloud radio access network (Cloud Radio Access Network, CRAN), or
  • the network equipment can be a mobile switching center, a relay station, an access point, a vehicle-mounted device, a wearable device, a hub, a switch, a bridge, a router, a network side device in a 5G network, or a network device in a future communication system, etc.
  • the communication system 100 also includes at least one terminal 120 located within the coverage area of the network device 110.
  • the "terminal” used here includes, but is not limited to, connection via wired lines, such as public switched telephone networks (PSTN), digital subscriber lines (Digital Subscriber Line, DSL), digital cables, and direct cable connections; And/or another data connection/network; and/or via a wireless interface, such as for cellular networks, wireless local area networks (WLAN), digital TV networks such as DVB-H networks, satellite networks, AM-FM Broadcast transmitter; and/or another terminal's device configured to receive/send communication signals; and/or Internet of Things (IoT) equipment.
  • a terminal set to communicate through a wireless interface may be referred to as a "wireless communication terminal", a “wireless terminal” or a “mobile terminal”.
  • mobile terminals include, but are not limited to, satellites or cellular phones; Personal Communications System (PCS) terminals that can combine cellular radio phones with data processing, fax, and data communication capabilities; can include radio phones, pagers, Internet/intranet PDA with internet access, web browser, memo pad, calendar, and/or Global Positioning System (GPS) receiver; and conventional laptop and/or palmtop receivers or others including radio phone transceivers Electronic device.
  • PCS Personal Communications System
  • GPS Global Positioning System
  • Terminal can refer to access terminal, user equipment (User Equipment, UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication equipment, user agent or user Device.
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminals in 5G networks, or terminals in the future evolution of PLMN, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminals 120 may perform device-to-device (D2D) communication.
  • D2D device-to-device
  • the 5G communication system or 5G network may also be referred to as a New Radio (NR) system or NR network.
  • NR New Radio
  • FIG. 1 exemplarily shows one network device and two terminals.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminals. This embodiment of the present application There is no restriction on this.
  • the communication system 100 may also include other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • the devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices.
  • the communication device may include a network device 110 and a terminal 120 with communication functions, and the network device 110 and the terminal 120 may be the specific devices described above, which will not be repeated here;
  • the device may also include other devices in the communication system 100, such as other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • Direct communication between devices is mainly for applications such as Augmented Reality (AR) games and Virtual Reality (VR) games, and has high requirements for service quality such as speed, delay, packet loss rate, and high-speed codec. .
  • AR Augmented Reality
  • VR Virtual Reality
  • service quality such as speed, delay, packet loss rate, and high-speed codec.
  • the rate of 10Gbps is required, and the packet loss rate cannot exceed 10E-4.
  • the terminals in the same session can be considered to form a service application group, for example, teaming in a game.
  • D2D device-to-device
  • PC5 interface refers to the device and Interface for direct communication between devices.
  • -A communication method far away from each other for example: a communication method using the following path: first terminal ⁇ first network ⁇ application server ⁇ second network-second terminal.
  • This communication method is also called a communication method based on the Uu interface.
  • FIG. 2 is a network architecture diagram optionally based on D2D technology.
  • the equipment involved in the architecture includes: User Equipment (UE), Evolved Universal Terrestrial Radio Access Network (Evolved Universal Terrestrial Radio) Access Network, E-UTRAN), Mobility Management Entity (MME) network elements, Home Subscriber Server (HSS, Home Subscriber Server), Service/Packet Data Network Gateway (S/PGW) , Proximity-based Services Function (ProSe) function network elements, ProSe Application Server (ProSe Application Server), SLP network elements.
  • UE User Equipment
  • Evolved Universal Terrestrial Radio Access Network Evolved Universal Terrestrial Radio
  • MME Mobility Management Entity
  • HSS Home Subscriber Server
  • S/PGW Service/Packet Data Network Gateway
  • Proximity-based Services Function ProSe
  • ProSe Application Server ProSe Application Server
  • SLP SLP network elements.
  • UE A and UE B communicate through the PC5 interface, and the communication path based on the PC5 interface is called a terminal direct path.
  • Figure 3 is an optional 5G network architecture diagram.
  • the equipment involved in the architecture includes: terminal (UE, User Equipment), radio access network (RAN, Radio Access Network), and user plane functions (UPF, User Plane Function), data network (DN, Data Network), core access and mobility management (AMF, Core Access and Mobility Management Function), session management function (SMF, Session Management Function), policy control function ( PCF, Policy Control Function, Application Function (AF, Application Function), Authentication Server Function (AUSF, Authentication Server Function), and Unified Data Management (UDM, Unified Data Management).
  • terminal UE, User Equipment
  • RAN Radio Access Network
  • UPF User Plane Function
  • DN Data Network
  • AMF Core Access and Mobility Management Function
  • SMF Session Management Function
  • PCF Policy Control Function
  • AF Application Function
  • AUSF Authentication Server Function
  • UDM Unified Data Management
  • the terminal data is sent to the application server (ie AF), and the AF sends the data to the opposite terminal.
  • the application server ie AF
  • Fig. 4 is a diagram of a network architecture optionally based on a relay mode.
  • the equipment involved in the architecture includes: remote UE, relay UE, base station, core network, etc.
  • the remote UE and the relay UE communicate through the PC5 interface
  • the relay UE and the base station communicate through the Uu interface.
  • FIG. 5 is a schematic flowchart of a path selection method provided by an embodiment of the application. As shown in FIG. 5, the path selection method includes the following steps:
  • Step 501 The first terminal determines the transmission path corresponding to the service data according to the path selection rule, and sends the service data to the second terminal or the network on the transmission path.
  • the first terminal may communicate with the second terminal, and the first terminal may also communicate with the network.
  • the communication methods in these two scenarios are described below.
  • the first terminal and the second terminal can transmit service data through a first transmission path and a second transmission path, where the first transmission path is a transmission path based on a PC5 interface; the second The transmission path is based on the Uu interface.
  • the PC5 interface refers to the interface between the terminal and the terminal
  • the Uu interface refers to the interface between the terminal and the base station.
  • the first transmission path is a direct connection path of a terminal
  • the second transmission path is a direct network connection path based on N6 interface routing.
  • the target address of the service data is determined according to the address of the second terminal; the transmission path corresponding to the service data is the In the case of the network direct connection path routed by the N6 interface, the target address of the service data is determined according to the address of the application server on the N6 interface.
  • the direct connection path of the terminal can be referred to as shown in FIG. 6, the communication between UE1 and UE2 is based on the PC5 interface, and the path formed by UE1 ⁇ UE2 is the direct connection path of the terminal.
  • the direct network path based on N6 interface routing can refer to Figure 7.
  • UE1 and UE2 communicate based on Uu interface
  • the path formed by UE1 ⁇ RAN ⁇ UPF1 ⁇ UPF2 ⁇ DN ⁇ « ⁇ UE2 is Direct network connection path based on N6 interface routing. It can be seen that the network direct connection path based on N6 interface routing involves not only the Uu interface, but also the N6 interface.
  • the target IP address corresponding to the transmission path is the address of the DN on the N6 interface (or the address of the application server).
  • a PDU session is assigned an IP address, which is the address of the application server on the N6 interface.
  • the first transmission path is a direct connection path of the terminal
  • the second transmission path is an internal network path based on core network routing.
  • the target address of the service data is determined according to the address of the second terminal; the transmission path corresponding to the service data is the In the case of the internal path of the core network route, the target address of the service data is determined according to the address of the second terminal.
  • the direct connection path of the terminal can be referred to as shown in FIG. 6, the communication between UE1 and UE2 is based on the PC5 interface, and the path formed by UE1 ⁇ UE2 is the direct connection path of the terminal.
  • the internal path based on core network routing can refer to Figure 8.
  • the UPF corresponding to UE1 is UPF1
  • the UPF corresponding to UE2 is UPF1
  • the UPF corresponding to UE3 is UPF2
  • UPF1 and UPF2 are connected to the same SMF, UE1
  • the transmission path between UE2 and UE3 belongs to the internal network path based on core network routing.
  • the communication between UE1 and UE2 is based on the Uu interface, and the path formed by UE1 ⁇ UPF1 ⁇ UE2 is the internal network path based on core network routing.
  • the communication between UE1 and UE3 is based on the Uu interface, and the path formed by UE1 ⁇ UPF1 ⁇ UPF2 ⁇ UE3 is the internal network path based on core network routing.
  • the service data sent by the first terminal to the second terminal is routed inside the core network, and the service data does not pass through the N6 interface to the external network.
  • Service data can be transmitted between the first terminal and the network through a third transmission path and a fourth transmission path; wherein, the third transmission path is a transmission path based on a Uu interface; the fourth transmission path It is a transmission path based on PC5 interface and Uu interface.
  • the third transmission path is a network direct connection path based on N6 interface routing
  • the fourth transmission path is a relay path based on a relay device.
  • the target address of the service data is determined according to the address of the application server on the N6 interface; the service data In the case where the corresponding transmission path is the relay path based on the relay device, the target address of the service data is determined according to the address of the second terminal.
  • the direct network path based on N6 interface routing can refer to Figure 7.
  • UE1 and UE2 communicate based on Uu interface
  • the path formed by UE1 ⁇ RAN ⁇ UPF1 ⁇ UPF2 ⁇ DN ⁇ « ⁇ UE2 is Direct network connection path based on N6 interface routing. It can be seen that the network direct connection path based on N6 interface routing involves not only the Uu interface, but also the N6 interface.
  • relay path based on the relay device.
  • the communication between UE1 and UE2 is based on the PC5 interface and the Uu interface, remote UE ⁇ relay UE ⁇ base station ⁇ core network ⁇ « ⁇ UE2
  • the path formed is the relay path based on the relay device.
  • the third transmission path is an internal network path based on core network routing
  • the fourth transmission path is a relay path based on a relay device.
  • the target address of the service data is determined according to the address of the second terminal; the transmission path corresponding to the service data In the case of the relay path based on the relay device, the target address of the service data is determined according to the address of the second terminal.
  • the internal path of the network based on core network routing can refer to Figure 8.
  • the UPF corresponding to UE1 is UPF1
  • the UPF corresponding to UE2 is UPF1
  • the UPF corresponding to UE3 is UPF2
  • UPF1 and UPF2 are connected to the same SMF, UE1
  • the transmission path between UE2 and UE3 belongs to the internal network path based on core network routing.
  • the communication between UE1 and UE2 is based on the Uu interface, and the path formed by UE1 ⁇ UPF1 ⁇ UE2 is the internal network path based on core network routing.
  • the communication between UE1 and UE3 is based on the Uu interface, and the path formed by UE1 ⁇ UPF1 ⁇ UPF2 ⁇ UE3 is the internal network path based on core network routing.
  • the communication between UE1 and UE2 is based on the PC5 interface and the Uu interface.
  • the path selection rule is pre-configured or network-configured. Further, optionally, the path selection rule is configured by the network, including: the path selection rule is configured by SMF or PCF. The following describes the content of the path selection rule.
  • the path selection function layer of the first terminal determines the transmission path corresponding to the service data according to the path selection rules; wherein, the path selection function layer is located above the IP layer; or, the path selection function layer is located Below the IP layer and above the AS layer.
  • the transmission path corresponding to the service data can be determined through the path selection function layer above the IP layer, as shown in module A in Figure 9 .
  • the path selection function layer located below the IP layer and above the AS layer can determine the transmission path corresponding to the service data, as shown in Figure 9 The B module.
  • the path selection rule is used to determine at least one of the following: a path corresponding to application parameters; a path corresponding to Quality of Service (QoS); a path corresponding to link quality.
  • QoS Quality of Service
  • the application parameters include at least one of the following: application identification, port, source address, destination address, data network name (Data Network Name, DNN), and single network slice selection assistance information (Single Network Slice Selection Assistance) Information, S-NSSAI).
  • the QoS includes at least one of the following: data rate, time delay, reliability, and QoS Class Identifier (QCI).
  • QCI QoS Class Identifier
  • the link quality includes a mobility state.
  • the content of the path selection rule is shown in Table 1 below:
  • selection layer in Table 1 above can also be understood as the path selection function layer in the embodiment of the application.
  • FIG. 10 is a schematic diagram of the structural composition of a path selection device provided by an embodiment of the application.
  • the path selection device is applied to a first terminal.
  • the path selection device includes:
  • the determining unit 1001 is configured to determine the transmission path corresponding to the service data according to the path selection rule;
  • the sending unit 1002 is configured to send the service data to the second terminal or the network on the transmission path.
  • the first terminal and the second terminal can perform services through a first transmission path and a second transmission path.
  • the first transmission path is a transmission path based on the PC5 interface
  • the second transmission path is a transmission path based on the Uu interface.
  • the first transmission path is a direct connection path of a terminal
  • the second transmission path is a direct network connection path based on N6 interface routing.
  • the target address of the service data is determined according to the address of the second terminal
  • the target address of the service data is determined according to the address of the application server on the N6 interface.
  • the first transmission path is a direct connection path of a terminal
  • the second transmission path is an internal network path based on core network routing.
  • the target address of the service data is determined according to the address of the second terminal
  • the target address of the service data is determined according to the address of the second terminal.
  • service data can be transmitted between the first terminal and the network through a third transmission path and a fourth transmission path;
  • the third transmission path is a transmission path based on the Uu interface
  • the fourth transmission path is a transmission path based on the PC5 interface and the Uu interface.
  • the third transmission path is a network direct connection path based on N6 interface routing
  • the fourth transmission path is a relay path based on a relay device.
  • the target address of the service data is based on the address of the application server on the N6 interface determine;
  • the target address of the service data is determined according to the address of the second terminal.
  • the third transmission path is an internal network path based on core network routing
  • the fourth transmission path is a relay path based on a relay device.
  • the target address of the service data is determined according to the address of the second terminal
  • the target address of the service data is determined according to the address of the second terminal.
  • the path selection rule is pre-configured or network-configured.
  • the path selection rule is configured by the network and includes:
  • the path selection rule is configured by SMF or PCF.
  • the path selection rule is used to determine at least one of the following:
  • the application parameters include at least one of the following: application identifier, port, source address, destination address, DNN, and S-NSSAI.
  • the QoS includes at least one of the following: data rate, delay, reliability, and QCI.
  • the link quality includes a mobility state.
  • the determining unit 1001 is configured to determine the transmission path corresponding to the service data according to the path selection rule through the path selection function layer;
  • the path selection function layer is located above the IP layer; or, the path selection function layer is located below the IP layer and above the AS layer.
  • FIG. 11 is a schematic structural diagram of a communication device 1100 according to an embodiment of the present application.
  • the communication device may be a terminal or a network device.
  • the communication device 1100 shown in FIG. 11 includes a processor 1110.
  • the processor 1110 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the communication device 1100 may further include a memory 1120.
  • the processor 1110 may call and run a computer program from the memory 1120 to implement the method in the embodiment of the present application.
  • the memory 1120 may be a separate device independent of the processor 1110, or may be integrated in the processor 1110.
  • the communication device 1100 may further include a transceiver 1130, and the processor 1110 may control the transceiver 1130 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the transceiver 1130 may include a transmitter and a receiver.
  • the transceiver 1130 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 1100 may specifically be a network device in an embodiment of the application, and the communication device 1100 may implement the corresponding process implemented by the network device in each method of the embodiment of the application. For the sake of brevity, details are not repeated here. .
  • the communication device 1100 may specifically be a mobile terminal/terminal according to an embodiment of the application, and the communication device 1100 may implement the corresponding procedures implemented by the mobile terminal/terminal in each method of the embodiments of the application. For the sake of brevity, This will not be repeated here.
  • FIG. 12 is a schematic structural diagram of a chip of an embodiment of the present application.
  • the chip 1200 shown in FIG. 12 includes a processor 1210, and the processor 1210 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 1200 may further include a memory 1220.
  • the processor 1210 can call and run a computer program from the memory 1220 to implement the method in the embodiment of the present application.
  • the memory 1220 may be a separate device independent of the processor 1210, or it may be integrated in the processor 1210.
  • the chip 1200 may further include an input interface 1230.
  • the processor 1210 can control the input interface 1230 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the chip 1200 may further include an output interface 1240.
  • the processor 1210 can control the output interface 1240 to communicate with other devices or chips, specifically, can output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the network device in the various methods of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the network device in the various methods of the embodiment of the present application.
  • the chip can be applied to the mobile terminal/terminal in the embodiment of the present application, and the chip can implement the corresponding process implemented by the mobile terminal/terminal in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the mobile terminal/terminal in each method of the embodiment of the present application.
  • it will not be omitted here. Repeat.
  • the chip mentioned in the embodiment of the present application may also be referred to as a system-level chip, a system-on-chip, a system-on-chip, or a system-on-chip.
  • FIG. 13 is a schematic block diagram of a communication system 1300 according to an embodiment of the present application. As shown in FIG. 13, the communication system 1300 includes a terminal 1310 and a network device 1320.
  • the terminal 1310 may be used to implement the corresponding functions implemented by the terminal in the foregoing method
  • the network device 1320 may be used to implement the corresponding functions implemented by the network device in the foregoing method.
  • details are not described herein again.
  • the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability.
  • the steps of the foregoing method embodiments can be completed by hardware integrated logic circuits in the processor or instructions in the form of software.
  • the aforementioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC application specific integrated circuit
  • FPGA ready-made programmable gate array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • ESDRAM enhanced synchronous dynamic random access memory
  • Synchlink DRAM SLDRAM
  • DR RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM), etc. That is to say, the memory in the embodiment of the present application is intended to include but not limited to these and any other suitable types of memory.
  • the embodiment of the present application also provides a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium may be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer-readable storage medium may be applied to the mobile terminal/terminal in the embodiments of the present application, and the computer program causes the computer to execute the corresponding processes implemented by the mobile terminal/terminal in the various methods of the embodiments of the present application, for It's concise, so I won't repeat it here.
  • the embodiments of the present application also provide a computer program product, including computer program instructions.
  • the computer program product may be applied to the network device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program product can be applied to the mobile terminal/terminal in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding procedures implemented by the mobile terminal/terminal in the various methods of the embodiments of the present application, for the sake of brevity , I won’t repeat it here.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiment of the present application.
  • the computer program runs on the computer, the computer is caused to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • I won’t repeat it here.
  • the computer program can be applied to the mobile terminal/terminal in the embodiments of the present application.
  • the computer program runs on the computer, the computer can execute the corresponding methods implemented by the mobile terminal/terminal in the various methods of the embodiments of the present application. For the sake of brevity, the process will not be repeated here.
  • the disclosed system, device, and method may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • each unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of this application essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the method described in each embodiment of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory,) ROM, random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .

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Abstract

本申请实施例提供一种路径选择方法及装置、终端，该方法包括：第一终端根据路径选择规则确定业务数据对应的传输路径，在所述传输路径上向第二终端或网络发送所述业务数据。

Description

一种路径选择方法及装置、终端 技术领域
本申请实施例涉及移动通信技术领域，具体涉及一种路径选择方法及装置、终端。
背景技术
随着第五代(5 th Generation，5G)移动通信技术的不断发展，设备间直连通信业务作为一个新的业务形态被引入到标准中进行相关的标准化。
对于设备间直连通信来说，终端可以通信的路径会有多种情况，终端如何选择合适的路径进行通信尚未明确。
发明内容
本申请实施例提供一种路径选择方法及装置、终端。
本申请实施例提供的路径选择方法，包括：
第一终端根据路径选择规则确定业务数据对应的传输路径，在所述传输路径上向第二终端或网络发送所述业务数据。
本申请实施例提供的路径选择装置，应用于第一终端，所述装置包括：
确定单元，用于根据路径选择规则确定业务数据对应的传输路径；
发送单元，用于在所述传输路径上向第二终端或网络发送所述业务数据。
本申请实施例提供的终端，包括处理器和存储器。该存储器用于存储计算机程序，该处理器用于调用并运行该存储器中存储的计算机程序，执行上述的路径选择方法。
本申请实施例提供的芯片，用于实现上述的路径选择方法。
具体地，该芯片包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有该芯片的设备执行上述的路径选择方法。
本申请实施例提供的计算机可读存储介质，用于存储计算机程序，该计算机程序使得计算机执行上述的路径选择方法。
本申请实施例提供的计算机程序产品，包括计算机程序指令，该计算机程序指令使得计算机执行上述的路径选择方法。
本申请实施例提供的计算机程序，当其在计算机上运行时，使得计算机执行上述的路径选择方法。
本申请实施例的技术方案，明确了路径选择规则，从而实现了第一终端根据路径选择规则确定业务数据对应的传输路径，在所述传输路径上向第二终端或网络发送所述业务数据，如此，实现了第一终端选择最合适的传输路径进行通信。
附图说明
此处所说明的附图用来提供对本申请的进一步理解，构成本申请的一部分，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定。在附图中：
图1是本申请实施例提供的一种通信系统架构的示意性图；
图2是本申请实施例提供的基于D2D技术的网络架构图；
图3是本申请实施例提供的5G网络架构图；
图4是本申请实施例提供的基于中继方式的网络架构图；
图5是本申请实施例提供的路径选择方法的流程示意图；
图6是本申请实施例提供的终端直连路径的示意图；
图7是本申请实施例提供的基于N6接口路由的网络直连路径的示意图；
图8是本申请实施例提供的基于核心网路由的网络内部路径的示意图；
图9是本申请实施例提供的路径选择功能层的位置示意图；
图10是本申请实施例提供的路径选择装置的结构组成示意图；
图11是本申请实施例提供的一种通信设备示意性结构图；
图12是本申请实施例的芯片的示意性结构图；
图13是本申请实施例提供的一种通信系统的示意性框图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
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)系统、先进的长期演进(advanced long term evolution，LTE-A)系统、新无线(new radio，NR)系统、NR系统的演进系统、非授权频段上的LTE(LTE-based access to unlicensed spectrum，LTE-U)系统、非授权频段上的NR(NR-based access to unlicensed spectrum，NR-U)系统、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、无线局域网(wireless local area networks，WLAN)、无线保真(wireless fidelity，WiFi)、下一代通信系统或其他通信系统等。
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)，以及车辆间(vehicle to vehicle，V2V)通信等，本申请实施例也可以应用于这些通信系统。
本申请实施例描述的系统架构以及业务场景是为了更加清楚的说明本申请实施例的技术方案，并不构成对于本申请实施例提供的技术方案的限定，本领域普通技术人员可知，随着网络架构的演变和新业务场景的出现，本申请实施例提供的技术方案对于类似的技术问题，同样适用。
示例性的，本申请实施例应用的通信系统100如图1所示。该通信系统100可以包括网络设备110，网络设备110可以是与终端120(或称为通信终端、终端)通信的设备。网络设备110可以为特定的地理区域提供通信覆盖，并且可以与位于该覆盖区域内的终端进行通信。可选地，该网络设备110可以是LTE系统中的演进型基站(Evolutional Node B，eNB或eNodeB)，或者是云无线接入网络(Cloud Radio Access Network，CRAN)中的无线控制器，或者该网络设备可以为移动交换中心、中继站、接入点、车载设备、可穿戴设备、集线器、交换机、网桥、路由器、5G网络中的网络侧设备或者未来通信系统中的网络设备等。
该通信系统100还包括位于网络设备110覆盖范围内的至少一个终端120。作为在此使用的“终端”包括但不限于经由有线线路连接，如经由公共交换电话网络(Public Switched Telephone Networks，PSTN)、数字用户线路(Digital Subscriber Line，DSL)、数字电缆、直接电缆连接；和/或另一数据连接/网络；和/或经由无线接口，如，针对蜂窝网络、无线局域网(Wireless Local Area Network，WLAN)、诸如DVB-H网络的数字电视网络、 卫星网络、AM-FM广播发送器；和/或另一终端的被设置成接收/发送通信信号的装置；和/或物联网(Internet of Things，IoT)设备。被设置成通过无线接口通信的终端可以被称为“无线通信终端”、“无线终端”或“移动终端”。移动终端的示例包括但不限于卫星或蜂窝电话；可以组合蜂窝无线电电话与数据处理、传真以及数据通信能力的个人通信系统(Personal Communications System，PCS)终端；可以包括无线电电话、寻呼机、因特网/内联网接入、Web浏览器、记事簿、日历以及/或全球定位系统(Global Positioning System，GPS)接收器的PDA；以及常规膝上型和/或掌上型接收器或包括无线电电话收发器的其它电子装置。终端可以指接入终端、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处理设备、车载设备、可穿戴设备、5G网络中的终端或者未来演进的PLMN中的终端等。
可选地，终端120之间可以进行终端直连(Device to Device，D2D)通信。
可选地，5G通信系统或5G网络还可以称为新无线(New Radio，NR)系统或NR网络。
图1示例性地示出了一个网络设备和两个终端，可选地，该通信系统100可以包括多个网络设备并且每个网络设备的覆盖范围内可以包括其它数量的终端，本申请实施例对此不做限定。
可选地，该通信系统100还可以包括网络控制器、移动管理实体等其他网络实体，本申请实施例对此不作限定。
应理解，本申请实施例中网络/系统中具有通信功能的设备可称为通信设备。以图1示出的通信系统100为例，通信设备可包括具有通信功能的网络设备110和终端120，网络设备110和终端120可以为上文所述的具体设备，此处不再赘述；通信设备还可包括通信系统100中的其他设备，例如网络控制器、移动管理实体等其他网络实体，本申请实施例中对此不做限定。
应理解，本文中术语“系统”和“网络”在本文中常被可互换使用。本文中术语“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，例如，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。
为便于理解本申请实施例的技术方案，以下对本申请实施例的相关技术进行说明，以下相关技术作为可选方案与本申请实施例的技术方案可以进行任意结合，其均属于本申请实施例的保护范围。
Figure PCTCN2019101152-appb-000001
设备间直连通信
设备间直连通信主要针对增强现实(Augmented Reality，AR)游戏、虚拟现实(Virtual Reality，VR)游戏等应用，对速率、时延、丢包率、高速编解码等业务质量有很高的要求。例如：对于VR游戏，需要达到10Gbps速率，丢包率不可超过10E-4。针对设备间直连通信业务建立的会话，在同一会话内的终端可以认为组成一个业务应用组，例如：游戏中组队。组内终端之间有以下可能的通信方式，以下通信方式可以独立使用，也可以组合使用：
-彼此临近的通信方式：例如：使用设备到设备(Device to Device，D2D)技术进行广播或组播的通信方式。再例如：建立设备与设备之间的侧行链路(sidelink)进行1对1的通信方式，这种通信方式也称为基于PC5接口 的通信方式，需要说明的是，PC5接口是指设备与设备之间的直接通信的接口。
-远离彼此的通信方式：例如：使用如下路径的通信方式：第一终端→第一网络→应用服务器→第二网络-第二终端，这种通信方式也称为基于Uu接口的通信方式。
Figure PCTCN2019101152-appb-000002
终端和终端之间通过D2D进行通信
图2是一种可选地基于D2D技术的网络架构图，如图2所示，该架构涉及到的设备包括：终端(User Equipment，UE)、演进通用陆地无线接入网络(Evolved Universal Terrestrial Radio Access Network，E-UTRAN)、移动管理功能(Mobility Management Entity，MME)网元、归属签约用户服务器(HSS，Home Subscriber Server)、服务/分组数据网关(Serving/Packet Data Network Gateway，S/PGW)、接近服务(Proximity-basedServices Function，ProSe)功能网元、ProSe应用服务(ProSe Applicantion Server)、SLP网元。
其中，UE A和UE B之间通过PC5接口进行通信，基于PC5接口进行通信的路径称为终端直通路径。
Figure PCTCN2019101152-appb-000003
终端和终端之间通过网络进行通信
图3是一种可选地5G网络架构图，如图3所示，该架构涉及到的设备包括：终端(UE，User Equipment)、无线接入网(RAN，Radio Access Network)、用户平面功能(UPF，User Plane Function)、数据网络(DN，Data Network)、核心接入和移动性管理(AMF，Core Access and Mobility Management Function)、会话管理功能(SMF，Session Management Function)、策略控制功能(PCF，Policy Control Function)、应用功能(AF，Application Function)、鉴权服务器功能(AUSF，Authentication Server Function)、统一数据管理(UDM，Unified Data Management)。
其中，终端和终端之间通过网络进行通信可以参考图3所示的网络架构，在这种网络架构中，终端的数据发送到应用服务器(即AF)，AF将数据发送到对端的终端。
Figure PCTCN2019101152-appb-000004
终端和终端之间通过中继设备进行通信
图4是一种可选地基于中继方式的网络架构图，如图4所示，该架构涉及到的设备包括：远端UE、中继UE、基站、核心网等。其中，远端UE与中继UE之间通过PC5接口进行通信，中继UE与基站之间通过Uu接口进行通信。
基于上述几种通信方式，终端与终端之间通信的过程中，或者终端与网络之间通信的过程中，有两条路径可以选择，如何使终端选择最合适的路径进行通信需要明确，为此，提出了本申请实施例的以下技术方案。
图5为本申请实施例提供的路径选择方法的流程示意图，如图5所示，所述路径选择方法包括以下步骤：
步骤501：第一终端根据路径选择规则确定业务数据对应的传输路径，在所述传输路径上向第二终端或网络发送所述业务数据。
本申请实施例中，第一终端可以与第二终端之间进行通信，第一终端也可以与网络进行通信。以下分别描述这两种场景下的通信方式。
Figure PCTCN2019101152-appb-000005
所述第一终端与所述第二终端通信的场景
所述第一终端与所述第二终端之间能够通过第一传输路径和第二传输路径进行业务数据的传输，其中，所述第一传输路径是基于PC5接口的传输路径；所述第二传输路径是基于Uu接口的传输路径。
这里，PC5接口是指终端与终端之间的接口，Uu接口是指终端与基站之间的接口。
●在一可选实施方式中，所述第一传输路径为终端直连路径，所述第二传输路径为基于N6接口路由的网络直连路径。
进一步，所述业务数据对应的传输路径为所述终端直连路径的情况下，所述业务数据的目标地址根据所述第二终端的地址确定；所述业务数据对应的传输路径为所述基于N6接口路由的网络直连路径的情况下，所述业务数据的目标地址根据所述N6接口上的应用服务器的地址确定。
举个例子：终端直连路径可以参照图6所示，UE1与UE2之间基于PC5接口进行通信，UE1→UE2形成的路径即为终端直连路径。
举个例子：基于N6接口路由的网络直连路径可以参照图7所示，UE1与UE2之间基于Uu接口进行通信，UE1→RAN→UPF1→UPF2→DN→……→UE2形成的路径即为基于N6接口路由的网络直连路径。可见，基于N6接口路由的网络直连路径不仅涉及到Uu接口，还涉及到N6接口。
当第一终端需要发送数据时根据选择的传输路径选择相应的目标IP地址。以第一终端选择基于N6接口路由的网络直连路径为例，该传输路径对应的目标IP地址为N6接口上的DN的地址(或者说应用服务器的地址)。另一方面，一个PDU会话被分配一个IP地址，这个IP地址即是N6接口上的应用服务器的地址。
●在一可选实施方式中，所述第一传输路径为终端直连路径，所述第二传输路径为基于核心网路由的网络内部路径。
进一步，所述业务数据对应的传输路径为所述终端直连路径的情况下，所述业务数据的目标地址根据所述第二终端的地址确定；所述业务数据对应的传输路径为所述基于核心网路由的网络内部路径的情况下，所述业务数据的目标地址根据所述第二终端的地址确定。
举个例子：终端直连路径可以参照图6所示，UE1与UE2之间基于PC5接口进行通信，UE1→UE2形成的路径即为终端直连路径。
举个例子：基于核心网路由的网络内部路径可以参照图8所示，UE1 对应的UPF为UPF1，UE2对应的UPF为UPF1，UE3对应的UPF为UPF2，UPF1和UPF2与同一SMF连接，UE1、UE2以及UE3之间的传输路径属于基于核心网路由的网络内部路径。UE1与UE2之间基于Uu接口进行通信，UE1→UPF1→UE2形成的路径即为基于核心网路由的网络内部路径。UE1与UE3之间基于Uu接口进行通信，UE1→UPF1→UPF2→UE3形成的路径即为基于核心网路由的网络内部路径。
第一终端发送给第二终端的业务数据在核心网内部路由，业务数据不经过N6接口到外部网络。
Figure PCTCN2019101152-appb-000006
所述第一终端与所述网络通信的场景
所述第一终端与所述网络之间能够通过第三传输路径和第四传输路径进行业务数据的传输；其中，所述第三传输路径是基于Uu接口的传输路径；所述第四传输路径是基于PC5接口和Uu接口的传输路径。
●在一可选实施方式中，所述第三传输路径为基于N6接口路由的网络直连路径，所述第四传输路径为基于中继设备的中继路径。
进一步，所述业务数据对应的传输路径为所述基于N6接口路由的网络直连路径的情况下，所述业务数据的目标地址根据所述N6接口上的应用服务器的地址确定；所述业务数据对应的传输路径为所述基于中继设备的中继路径的情况下，所述业务数据的目标地址根据所述第二终端的地址确定。
举个例子：基于N6接口路由的网络直连路径可以参照图7所示，UE1与UE2之间基于Uu接口进行通信，UE1→RAN→UPF1→UPF2→DN→……→UE2形成的路径即为基于N6接口路由的网络直连路径。可见，基于N6接口路由的网络直连路径不仅涉及到Uu接口，还涉及到N6接口。
举个例子：基于中继设备的中继路径可以参照图4所示，UE1与UE2 之间基于PC5接口和Uu接口进行通信，远端UE→中继UE→基站→核心网→……→UE2形成的路径即为基于中继设备的中继路径。
●在一可选实施方式中，所述第三传输路径为基于核心网路由的网络内部路径，所述第四传输路径为基于中继设备的中继路径。
进一步，所述业务数据对应的传输路径为所述基于核心网路由的网络内部路径的情况下，所述业务数据的目标地址根据所述第二终端的地址确定；所述业务数据对应的传输路径为所述基于中继设备的中继路径的情况下，所述业务数据的目标地址根据所述第二终端的地址确定。
举个例子：基于核心网路由的网络内部路径可以参照图8所示，UE1对应的UPF为UPF1，UE2对应的UPF为UPF1，UE3对应的UPF为UPF2，UPF1和UPF2与同一SMF连接，UE1、UE2以及UE3之间的传输路径属于基于核心网路由的网络内部路径。UE1与UE2之间基于Uu接口进行通信，UE1→UPF1→UE2形成的路径即为基于核心网路由的网络内部路径。UE1与UE3之间基于Uu接口进行通信，UE1→UPF1→UPF2→UE3形成的路径即为基于核心网路由的网络内部路径。
举个例子：基于中继设备的中继路径可以参照图4所示，UE1与UE2之间基于PC5接口和Uu接口进行通信，远端UE→中继UE→基站→核心网→……→UE2形成的路径即为基于中继设备的中继路径。
本申请实施例中，所述路径选择规则为预配置的或者网络配置的。进一步，可选地，所述路径选择规则为网络配置的，包括：所述路径选择规则为SMF或者PCF配置的。以下对路径选择规则的内容进行描述。
本申请实施例中，所述第一终端的路径选择功能层根据路径选择规则确定业务数据对应的传输路径；其中，所述路径选择功能层位于IP层以上；或者，所述路径选择功能层位于IP层以下且位于AS层以上。
可选地，对于涉及到关于“基于N6接口路由的网络直连路径”的路 径选择，可以通过位于IP层以上的路径选择功能层确定业务数据对应的传输路径，如图9所示的A模块。
可选地，对于涉及到“基于核心网路由的网络内部路径”的路径选择，可以通过位于IP层以下且位于AS层以上的路径选择功能层确定业务数据对应的传输路径，如图9所示的B模块。
在本申请一可选实施方式中，所述路径选择规则用于确定以下至少之一：应用参数对应的路径；服务质量(Quality of Service，QoS)对应的路径；链路质量对应的路径。
进一步，可选地，所述应用参数包括以下至少之一：应用标识、端口、源地址、目标地址、数据网络名(Data Network Name，DNN)、单网络切片选择辅助信息(Single Network Slice Selection Assistance Information，S-NSSAI)。
进一步，可选地，所述QoS包括以下至少之一：数据速率、时延、可靠性、QoS标度值(QoS Class Identifier，QCI)。
进一步，可选地，所述链路质量包括移动性状态。
在一个示例中，路径选择规则的内容见如下表1所示：
Figure PCTCN2019101152-appb-000007
Figure PCTCN2019101152-appb-000008
表1
需要说明的是，上述表1中的选择层也可以理解为本申请实施例中的路径选择功能层。
图10为本申请实施例提供的路径选择装置的结构组成示意图，该路径选择装置应用于第一终端，如图10所示，所述路径选择装置包括：
确定单元1001，用于根据路径选择规则确定业务数据对应的传输路径；
发送单元1002，用于在所述传输路径上向第二终端或网络发送所述业务数据。
在一可选实施方式中，所述第一终端与所述第二终端通信的场景下，所述第一终端与所述第二终端之间能够通过第一传输路径和第二传输路径进行业务数据的传输；
所述第一传输路径是基于PC5接口的传输路径；
所述第二传输路径是基于Uu接口的传输路径。
在一可选实施方式中，所述第一传输路径为终端直连路径，所述第二传输路径为基于N6接口路由的网络直连路径。
在一可选实施方式中，所述业务数据对应的传输路径为所述终端直连路径的情况下，所述业务数据的目标地址根据所述第二终端的地址确定；
所述业务数据对应的传输路径为所述基于N6接口路由的网络直连路径的情况下，所述业务数据的目标地址根据所述N6接口上的应用服务器的地址确定。
在一可选实施方式中，所述第一传输路径为终端直连路径，所述第二传输路径为基于核心网路由的网络内部路径。
在一可选实施方式中，所述业务数据对应的传输路径为所述终端直连路径的情况下，所述业务数据的目标地址根据所述第二终端的地址确定；
所述业务数据对应的传输路径为所述基于核心网路由的网络内部路径的情况下，所述业务数据的目标地址根据所述第二终端的地址确定。
在一可选实施方式中，所述第一终端与所述网络通信的场景下，所述第一终端与所述网络之间能够通过第三传输路径和第四传输路径进行业务数据的传输；
所述第三传输路径是基于Uu接口的传输路径；
所述第四传输路径是基于PC5接口和Uu接口的传输路径。
在一可选实施方式中，所述第三传输路径为基于N6接口路由的网络直连路径，所述第四传输路径为基于中继设备的中继路径。
在一可选实施方式中，所述业务数据对应的传输路径为所述基于N6接口路由的网络直连路径的情况下，所述业务数据的目标地址根据所述N6接口上的应用服务器的地址确定；
所述业务数据对应的传输路径为所述基于中继设备的中继路径的情况下，所述业务数据的目标地址根据所述第二终端的地址确定。
在一可选实施方式中，所述第三传输路径为基于核心网路由的网络内部路径，所述第四传输路径为基于中继设备的中继路径。
在一可选实施方式中，所述业务数据对应的传输路径为所述基于核心网路由的网络内部路径的情况下，所述业务数据的目标地址根据所述第二终端的地址确定；
所述业务数据对应的传输路径为所述基于中继设备的中继路径的情况下，所述业务数据的目标地址根据所述第二终端的地址确定。
在一可选实施方式中，所述路径选择规则为预配置的或者网络配置的。
在一可选实施方式中，所述路径选择规则为网络配置的，包括：
所述路径选择规则为SMF或者PCF配置的。
在一可选实施方式中，所述路径选择规则用于确定以下至少之一：
应用参数对应的路径；
QoS对应的路径；
链路质量对应的路径。
在一可选实施方式中，所述应用参数包括以下至少之一：应用标识、端口、源地址、目标地址、DNN、S-NSSAI。
在一可选实施方式中，所述QoS包括以下至少之一：数据速率、时延、可靠性、QCI。
在一可选实施方式中，所述链路质量包括移动性状态。
在一可选实施方式中，所述确定单元1001，用于通过路径选择功能层根据路径选择规则确定业务数据对应的传输路径；
其中，所述路径选择功能层位于IP层以上；或者，所述路径选择功能层位于IP层以下且位于AS层以上。
本领域技术人员应当理解，本申请实施例的上述路径选择装置的相关 描述可以参照本申请实施例的路径选择方法的相关描述进行理解。
图11是本申请实施例提供的一种通信设备1100示意性结构图。该通信设备可以是终端，也可以是网络设备，图11所示的通信设备1100包括处理器1110，处理器1110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。
可选地，如图11所示，通信设备1100还可以包括存储器1120。其中，处理器1110可以从存储器1120中调用并运行计算机程序，以实现本申请实施例中的方法。
其中，存储器1120可以是独立于处理器1110的一个单独的器件，也可以集成在处理器1110中。
可选地，如图11所示，通信设备1100还可以包括收发器1130，处理器1110可以控制该收发器1130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。
其中，收发器1130可以包括发射机和接收机。收发器1130还可以进一步包括天线，天线的数量可以为一个或多个。
可选地，该通信设备1100具体可为本申请实施例的网络设备，并且该通信设备1100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，为了简洁，在此不再赘述。
可选地，该通信设备1100具体可为本申请实施例的移动终端/终端，并且该通信设备1100可以实现本申请实施例的各个方法中由移动终端/终端实现的相应流程，为了简洁，在此不再赘述。
图12是本申请实施例的芯片的示意性结构图。图12所示的芯片1200包括处理器1210，处理器1210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。
可选地，如图12所示，芯片1200还可以包括存储器1220。其中，处 理器1210可以从存储器1220中调用并运行计算机程序，以实现本申请实施例中的方法。
其中，存储器1220可以是独立于处理器1210的一个单独的器件，也可以集成在处理器1210中。
可选地，该芯片1200还可以包括输入接口1230。其中，处理器1210可以控制该输入接口1230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。
可选地，该芯片1200还可以包括输出接口1240。其中，处理器1210可以控制该输出接口1240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。
可选地，该芯片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，为了简洁，在此不再赘述。
可选地，该芯片可应用于本申请实施例中的移动终端/终端，并且该芯片可以实现本申请实施例的各个方法中由移动终端/终端实现的相应流程，为了简洁，在此不再赘述。
应理解，本申请实施例提到的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。
图13是本申请实施例提供的一种通信系统1300的示意性框图。如图13所示，该通信系统1300包括终端1310和网络设备1320。
其中，该终端1310可以用于实现上述方法中由终端实现的相应的功能，以及该网络设备1320可以用于实现上述方法中由网络设备实现的相应的功能为了简洁，在此不再赘述。
应理解，本申请实施例的处理器可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述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或者软件形式的指令完成。上述的处理器可以是通用处理器、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。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。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。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电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。
可以理解，本申请实施例中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)，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(Synchlink DRAM，SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM，DR  RAM)。应注意，本文描述的系统和方法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。
应理解，上述存储器为示例性但不是限制性说明，例如，本申请实施例中的存储器还可以是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)以及直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)等等。也就是说，本申请实施例中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。
本申请实施例还提供了一种计算机可读存储介质，用于存储计算机程序。
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，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/终端实现的相应流程，为了简洁，在此不再赘述。
本申请实施例还提供了一种计算机程序产品，包括计算机程序指令。
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，并且该计算机程序指令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，并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由移动 终端/终端实现的相应流程，为了简洁，在此不再赘述。
本申请实施例还提供了一种计算机程序。
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。
可选地，该计算机程序可应用于本申请实施例中的移动终端/终端，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移动终端/终端实现的相应流程，为了简洁，在此不再赘述。
本领域普通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的范围。
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。
在本申请所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仅仅是示意性的，例如，所述单元的划分，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。另一点，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。
所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来实现本实施例方案的目的。
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处理单元中，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。
所述功能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)执行本申请各个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(Read-Only Memory，)ROM、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
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所述以权利要求的保护范围为准。

Claims (41)

  1. 一种路径选择方法，所述方法包括：
    第一终端根据路径选择规则确定业务数据对应的传输路径，在所述传输路径上向第二终端或网络发送所述业务数据。
  2. 根据权利要求1所述的方法，其中，所述第一终端与所述第二终端通信的场景下，所述第一终端与所述第二终端之间能够通过第一传输路径和第二传输路径进行业务数据的传输；
    所述第一传输路径是基于PC5接口的传输路径；
    所述第二传输路径是基于Uu接口的传输路径。
  3. 根据权利要求2所述的方法，其中，所述第一传输路径为终端直连路径，所述第二传输路径为基于N6接口路由的网络直连路径。
  4. 根据权利要求3所述的方法，其中，
    所述业务数据对应的传输路径为所述终端直连路径的情况下，所述业务数据的目标地址根据所述第二终端的地址确定；
    所述业务数据对应的传输路径为所述基于N6接口路由的网络直连路径的情况下，所述业务数据的目标地址根据所述N6接口上的应用服务器的地址确定。
  5. 根据权利要求2所述的方法，其中，所述第一传输路径为终端直连路径，所述第二传输路径为基于核心网路由的网络内部路径。
  6. 根据权利要求5所述的方法，其中，
    所述业务数据对应的传输路径为所述终端直连路径的情况下，所述业务数据的目标地址根据所述第二终端的地址确定；
    所述业务数据对应的传输路径为所述基于核心网路由的网络内部路径的情况下，所述业务数据的目标地址根据所述第二终端的地址确定。
  7. 根据权利要求1所述的方法，其中，所述第一终端与所述网络通 信的场景下，所述第一终端与所述网络之间能够通过第三传输路径和第四传输路径进行业务数据的传输；
    所述第三传输路径是基于Uu接口的传输路径；
    所述第四传输路径是基于PC5接口和Uu接口的传输路径。
  8. 根据权利要求7所述的方法，其中，所述第三传输路径为基于N6接口路由的网络直连路径，所述第四传输路径为基于中继设备的中继路径。
  9. 根据权利要求8所述的方法，其中，
    所述业务数据对应的传输路径为所述基于N6接口路由的网络直连路径的情况下，所述业务数据的目标地址根据所述N6接口上的应用服务器的地址确定；
    所述业务数据对应的传输路径为所述基于中继设备的中继路径的情况下，所述业务数据的目标地址根据所述第二终端的地址确定。
  10. 根据权利要求7所述的方法，其中，所述第三传输路径为基于核心网路由的网络内部路径，所述第四传输路径为基于中继设备的中继路径。
  11. 根据权利要求10所述的方法，其中，
    所述业务数据对应的传输路径为所述基于核心网路由的网络内部路径的情况下，所述业务数据的目标地址根据所述第二终端的地址确定；
    所述业务数据对应的传输路径为所述基于中继设备的中继路径的情况下，所述业务数据的目标地址根据所述第二终端的地址确定。
  12. 根据权利要求1至11中任一项所述的方法，其中，所述路径选择规则为预配置的或者网络配置的。
  13. 根据权利要求12所述的方法，其中，所述路径选择规则为网络配置的，包括：
    所述路径选择规则为SMF或者PCF配置的。
  14. 根据权利要求1至13中任一项所述的方法，其中，所述路径选择规则用于确定以下至少之一：
    应用参数对应的路径；
    服务质量QoS对应的路径；
    链路质量对应的路径。
  15. 根据权利要求14所述的方法，其中，所述应用参数包括以下至少之一：应用标识、端口、源地址、目标地址、DNN、S-NSSAI。
  16. 根据权利要求14或15所述的方法，其中，所述QoS包括以下至少之一：数据速率、时延、可靠性、QCI。
  17. 根据权利要求14至16中任一项所述的方法，其中，所述链路质量包括移动性状态。
  18. 根据权利要求1至17中任一项所述的方法，其中，所述第一终端根据路径选择规则确定业务数据对应的传输路径，包括：
    所述第一终端的路径选择功能层根据路径选择规则确定业务数据对应的传输路径；
    其中，所述路径选择功能层位于IP层以上；或者，所述路径选择功能层位于IP层以下且位于AS层以上。
  19. 一种路径选择装置，应用于第一终端，所述装置包括：
    确定单元，用于根据路径选择规则确定业务数据对应的传输路径；
    发送单元，用于在所述传输路径上向第二终端或网络发送所述业务数据。
  20. 根据权利要求19所述的装置，其中，所述第一终端与所述第二终端通信的场景下，所述第一终端与所述第二终端之间能够通过第一传输路径和第二传输路径进行业务数据的传输；
    所述第一传输路径是基于PC5接口的传输路径；
    所述第二传输路径是基于Uu接口的传输路径。
  21. 根据权利要求20所述的装置，其中，所述第一传输路径为终端直连路径，所述第二传输路径为基于N6接口路由的网络直连路径。
  22. 根据权利要求21所述的装置，其中，
    所述业务数据对应的传输路径为所述终端直连路径的情况下，所述业务数据的目标地址根据所述第二终端的地址确定；
    所述业务数据对应的传输路径为所述基于N6接口路由的网络直连路径的情况下，所述业务数据的目标地址根据所述N6接口上的应用服务器的地址确定。
  23. 根据权利要求20所述的装置，其中，所述第一传输路径为终端直连路径，所述第二传输路径为基于核心网路由的网络内部路径。
  24. 根据权利要求23所述的装置，其中，
    所述业务数据对应的传输路径为所述终端直连路径的情况下，所述业务数据的目标地址根据所述第二终端的地址确定；
    所述业务数据对应的传输路径为所述基于核心网路由的网络内部路径的情况下，所述业务数据的目标地址根据所述第二终端的地址确定。
  25. 根据权利要求19所述的装置，其中，所述第一终端与所述网络通信的场景下，所述第一终端与所述网络之间能够通过第三传输路径和第四传输路径进行业务数据的传输；
    所述第三传输路径是基于Uu接口的传输路径；
    所述第四传输路径是基于PC5接口和Uu接口的传输路径。
  26. 根据权利要求25所述的装置，其中，所述第三传输路径为基于N6接口路由的网络直连路径，所述第四传输路径为基于中继设备的中继路径。
  27. 根据权利要求26所述的装置，其中，
    所述业务数据对应的传输路径为所述基于N6接口路由的网络直连路径的情况下，所述业务数据的目标地址根据所述N6接口上的应用服务器的地址确定；
    所述业务数据对应的传输路径为所述基于中继设备的中继路径的情况下，所述业务数据的目标地址根据所述第二终端的地址确定。
  28. 根据权利要求25所述的装置，其中，所述第三传输路径为基于核心网路由的网络内部路径，所述第四传输路径为基于中继设备的中继路径。
  29. 根据权利要求28所述的装置，其中，
    所述业务数据对应的传输路径为所述基于核心网路由的网络内部路径的情况下，所述业务数据的目标地址根据所述第二终端的地址确定；
    所述业务数据对应的传输路径为所述基于中继设备的中继路径的情况下，所述业务数据的目标地址根据所述第二终端的地址确定。
  30. 根据权利要求19至29中任一项所述的装置，其中，所述路径选择规则为预配置的或者网络配置的。
  31. 根据权利要求30所述的装置，其中，所述路径选择规则为网络配置的，包括：
    所述路径选择规则为SMF或者PCF配置的。
  32. 根据权利要求19至31中任一项所述的装置，其中，所述路径选择规则用于确定以下至少之一：
    应用参数对应的路径；
    服务质量QoS对应的路径；
    链路质量对应的路径。
  33. 根据权利要求32所述的装置，其中，所述应用参数包括以下至 少之一：应用标识、端口、源地址、目标地址、DNN、S-NSSAI。
  34. 根据权利要求32或33所述的装置，其中，所述QoS包括以下至少之一：数据速率、时延、可靠性、QCI。
  35. 根据权利要求32至34中任一项所述的装置，其中，所述链路质量包括移动性状态。
  36. 根据权利要求19至35中任一项所述的装置，其中，所述确定单元，用于通过路径选择功能层根据路径选择规则确定业务数据对应的传输路径；
    其中，所述路径选择功能层位于IP层以上；或者，所述路径选择功能层位于IP层以下且位于AS层以上。
  37. 一种终端，包括：处理器和存储器，该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，执行如权利要求1至18中任一项所述的方法。
  38. 一种芯片，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，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，包括计算机程序指令，该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，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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