WO2023212960A1 - 扩展现实业务策略实现方法及装置 - Google Patents

扩展现实业务策略实现方法及装置 Download PDF

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Publication number
WO2023212960A1
WO2023212960A1 PCT/CN2022/091318 CN2022091318W WO2023212960A1 WO 2023212960 A1 WO2023212960 A1 WO 2023212960A1 CN 2022091318 W CN2022091318 W CN 2022091318W WO 2023212960 A1 WO2023212960 A1 WO 2023212960A1
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Prior art keywords
session
request message
xrm
application
indication information
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PCT/CN2022/091318
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English (en)
French (fr)
Inventor
吴锦花
刘建宁
沈洋
毛玉欣
Original Assignee
北京小米移动软件有限公司
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Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to CN202280001378.6A priority Critical patent/CN117378240A/zh
Priority to PCT/CN2022/091318 priority patent/WO2023212960A1/zh
Publication of WO2023212960A1 publication Critical patent/WO2023212960A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control

Definitions

  • the present application relates to the field of communication technology, and in particular, to a method and device for implementing an extended reality business strategy.
  • the 5th generation (5G) mobile communications network is developing rapidly, and network capability opening is an important function of the 5G network.
  • 5G networks can provide open network functions to third-party service providers, giving them the ability to adjust network configuration and network resources.
  • open network services can also be used as paid services for operators, creating a new network business operation model by delegating some network management rights to third-party service providers.
  • 3GPP 3rd generation partnership project
  • the 5G core network already has some policy configuration solutions for users and services, and has defined the User Equipment Routing Selection Policy (URSP). Key points It defines business-level configuration and management strategies, providing flexible configuration and management methods for network slicing, business and session continuity and other functions defined by the 5G core network.
  • URSP User Equipment Routing Selection Policy
  • XRM Extended Reality and Media Service
  • the embodiments of this application provide an extended reality service strategy implementation method and device, which can be applied to long term evolution (LTE) systems, fifth generation (5th generation, 5G) mobile communication systems, and 5G new radio interfaces (new radio). , NR) system, or other future new mobile communication systems and other communication systems, which are conducive to improving the transmission efficiency of business data flows in sessions and avoiding waste of communication resources.
  • LTE long term evolution
  • 5G fifth generation
  • new radio interfaces new radio
  • embodiments of this application provide a method for implementing an extended reality business policy.
  • the method is applied to PCF (Policy Control Function).
  • PCF Policy Control Function
  • the AF session is associated with the PDU session according to the first indication information.
  • associating the AF session with the PDU session according to the first indication information includes:
  • the method also includes:
  • the URSP rule table includes second indication information, and the second indication information is used to indicate the corresponding XRM service.
  • the second indication information includes at least one of the following:
  • the method also includes:
  • the method also includes:
  • the URSP rule table is updated according to the UE's capability information, subscription information or operator policy information, and is sent to the UE.
  • the first indication information includes at least one of the following:
  • Network slice selection supports information S-NSSAI and data network name DNN;
  • the application function identifies Application ID, where the Application ID corresponds to S-NSSAI and DNN.
  • the AF session creation request message includes at least one of the following:
  • the address or identity of the UE is the address or identity of the UE
  • the AF session creation request message is authorized by the network capability opening function NEF.
  • the method also includes:
  • a policy decision feedback message is generated according to the AF session creation request message authorized by NEF and sent to NEF.
  • the policy information includes policy and charging control PCC rules and/or Qos policies.
  • inventions of the present application provide another extended reality business strategy implementation method.
  • the method is applied to application functions (Application Function, AF).
  • AF Application Function
  • the AF session creation request message includes first indication information, and the first indication information is used to indicate that the AF session requested by the AF session creation request message is associated with PDU session.
  • the method also includes:
  • the AF session creation feedback message sent by the PCF is received through the NEF.
  • Optional also includes:
  • the AF session creation request message also includes at least one of the following:
  • the first indication information includes at least one of the following:
  • Application ID wherein the Application ID corresponds to S-NSSAI and DNN.
  • the AF session creation request message also includes at least one of the following:
  • the address or identity of the UE is the address or identity of the UE
  • embodiments of the present application provide another extended reality business policy implementation method, which method is applied to the Network Exposure Function (NEF).
  • the method includes:
  • AF session creation request message sent by the AF, wherein the AF session creation request message includes first indication information, and the first indication information is used to indicate that the AF session requested by the AF session creation request message is associated with PDU session;
  • the method also includes:
  • the method also includes:
  • the first indication information includes at least one of the following:
  • Application ID wherein the Application ID corresponds to S-NSSAI and DNN.
  • the AF session creation request message includes at least one of the following:
  • the address or identity of the UE is the address or identity of the UE
  • the method also includes:
  • the time-sensitive communication synchronization function TSCTSF is created according to the AF identifier or Qos parameter to communicate with the PCF.
  • the data flow of the XRM service can all use the same PDU session, which is beneficial to improving the transmission efficiency of the service data flow in the session and avoiding the waste of communication resources.
  • inventions of the present application provide another extended reality service policy implementation method.
  • the method is applied to user equipment (User Equipment, UE).
  • the method includes:
  • the URSP rule table sent by the PCF, where the URSP rule table includes second indication information, and the second indication information is used to indicate the corresponding XRM service;
  • an application request message is sent to the AF through the PDU session corresponding to the XRM service.
  • the second indication information includes at least one of the following:
  • the application request message includes information corresponding to the PDU session, so that the PCF associates the AF session created by the AF to the PDU session.
  • the information corresponding to the PDU session includes at least one of the following:
  • Application ID wherein the Application ID corresponds to S-NSSAI and DNN.
  • the application request message includes an XRM service identifier or an XRM group identifier.
  • the PDU session corresponding to the transmission application request message is determined by the XRM service corresponding to the requesting application and the second indication information in the URSP rule table, and the application request message is sent to the application function AF according to the existing PDU session, so that the AF creates a session with the PDU
  • the associated AF session allows for an XRM service of the same UE and the data flow of the XRM service to use the same PDU session, which is beneficial to improving the transmission efficiency of the XRM service and avoiding waste of communication resources.
  • embodiments of the present application provide a communication device that has some or all of the functions of the terminal device in implementing the method described in the first aspect.
  • the functions of the communication device may have some or all of the functions in this application.
  • the functions in the embodiments may also be used to independently implement any of the embodiments in this application.
  • the functions described can be implemented by hardware, or can be implemented by hardware executing corresponding software.
  • the hardware or software includes one or more units or modules corresponding to the above functions.
  • the structure of the communication device may include a transceiver module and a processing module, and the processing module is configured to support the communication device to perform corresponding functions in the above method.
  • the transceiver module is used to support communication between the communication device and other devices.
  • the communication device may further include a storage module coupled to the transceiver module and the processing module, which stores necessary computer programs and data for the communication device.
  • the processing module may be a processor
  • the transceiver module may be a transceiver or a communication interface
  • the storage module may be a memory.
  • the communication device includes:
  • the first transceiver module is configured to receive an application function AF session creation request message, wherein the first indication information in the AF session creation request message is used to indicate that the AF session creation request message requests The packet data unit PDU session associated with the AF session;
  • a session association module configured to associate the AF session with the PDU session according to the first indication information.
  • embodiments of the present application provide a communication device that has some or all of the functions of the terminal device in implementing the method described in the first aspect.
  • the functions of the communication device may have some or all of the functions in this application.
  • the functions in the embodiments may also be used to independently implement any of the embodiments in this application.
  • the functions described can be implemented by hardware, or can be implemented by hardware executing corresponding software.
  • the hardware or software includes one or more units or modules corresponding to the above functions.
  • the structure of the communication device may include a transceiver module and a processing module, and the processing module is configured to support the communication device to perform corresponding functions in the above method.
  • the transceiver module is used to support communication between the communication device and other devices.
  • the communication device may further include a storage module coupled to the transceiver module and the processing module, which stores necessary computer programs and data for the communication device.
  • the processing module may be a processor
  • the transceiver module may be a transceiver or a communication interface
  • the storage module may be a memory.
  • the communication device includes:
  • embodiments of the present application provide a communication device that has some or all of the functions of the terminal device in implementing the method described in the first aspect.
  • the functions of the communication device may have some or all of the functions in this application.
  • the functions in the embodiments may also be used to independently implement any of the embodiments in this application.
  • the functions described can be implemented by hardware, or can be implemented by hardware executing corresponding software.
  • the hardware or software includes one or more units or modules corresponding to the above functions.
  • the structure of the communication device may include a transceiver module and a processing module, and the processing module is configured to support the communication device to perform corresponding functions in the above method.
  • the transceiver module is used to support communication between the communication device and other devices.
  • the communication device may further include a storage module coupled to the transceiver module and the processing module, which stores necessary computer programs and data for the communication device.
  • the processing module may be a processor
  • the transceiver module may be a transceiver or a communication interface
  • the storage module may be a memory.
  • the communication device includes:
  • the second transceiver module is configured to send an AF session creation request message to the PCF through the NEF, where the AF session creation request message includes first indication information, and the first indication information is used to indicate the AF session creation request message.
  • the third transceiver module is configured to receive the AF session creation request message sent by the AF, wherein the AF session creation request message includes first indication information, and the first indication information is used to indicate the AF session creation request message.
  • An authorization module configured to authorize the AF session creation request message, and send the authorized AF session creation request message to the PCF, so that the PCF associates the AF session with the PDU session.
  • embodiments of the present application provide a communication device that has some or all of the functions of the terminal device in implementing the method described in the first aspect.
  • the functions of the communication device may have some or all of the functions in this application.
  • the functions in the embodiments may also be used to independently implement any of the embodiments in this application.
  • the functions described can be implemented by hardware, or can be implemented by hardware executing corresponding software.
  • the hardware or software includes one or more units or modules corresponding to the above functions.
  • the structure of the communication device may include a transceiver module and a processing module, and the processing module is configured to support the communication device to perform corresponding functions in the above method.
  • the transceiver module is used to support communication between the communication device and other devices.
  • the communication device may further include a storage module coupled to the transceiver module and the processing module, which stores necessary computer programs and data for the communication device.
  • the processing module may be a processor
  • the transceiver module may be a transceiver or a communication interface
  • the storage module may be a memory.
  • the communication device includes:
  • a rule update module configured to obtain the URSP rule table sent by the PCF, where the URSP rule table includes second indication information, and the second indication information is used to indicate the corresponding XRM service;
  • the business acquisition module is used to obtain the XRM business corresponding to the requested application
  • the fourth transceiver module if the XRM service corresponding to the requested application is consistent with the XRM service corresponding to the second indication information, sends an application request message to the AF through the PDU session corresponding to the XRM service.
  • an embodiment of the present application provides a communication device.
  • the communication device includes a processor.
  • the processor calls a computer program in a memory, it executes the method described in the first aspect.
  • an embodiment of the present application provides a communication device.
  • the communication device includes a processor.
  • the processor calls a computer program in a memory, it executes the method described in the second aspect.
  • an embodiment of the present application provides a communication device.
  • the communication device includes a processor.
  • the processor calls a computer program in a memory, it executes the method described in the third aspect.
  • an embodiment of the present application provides a communication device.
  • the communication device includes a processor.
  • the processor calls a computer program in a memory, it executes the method described in the fourth aspect.
  • inventions of the present application provide a communication device.
  • the communication device includes a processor and a memory, and a computer program is stored in the memory; the processor executes the computer program stored in the memory, so that the communication device Execute the method described in the first aspect above.
  • inventions of the present application provide a communication device.
  • the communication device includes a processor and a memory, and a computer program is stored in the memory; the processor executes the computer program stored in the memory, so that the communication device Perform the method described in the second aspect above.
  • inventions of the present application provide a communication device.
  • the communication device includes a processor and a memory, and a computer program is stored in the memory; the processor executes the computer program stored in the memory, so that the communication device Perform the method described in the third aspect above.
  • inventions of the present application provide a communication device.
  • the communication device includes a processor and a memory, and a computer program is stored in the memory; the processor executes the computer program stored in the memory, so that the communication device Execute the method described in the fourth aspect above.
  • inventions of the present application provide a communication device.
  • the device includes a processor and an interface circuit.
  • the interface circuit is used to receive code instructions and transmit them to the processor.
  • the processor is used to run the code instructions to cause The device performs the method described in the first aspect above.
  • an embodiment of the present application provides a communication device.
  • the device includes a processor and an interface circuit.
  • the interface circuit is used to receive code instructions and transmit them to the processor.
  • the processor is used to run the code instructions to cause The device performs the method described in the second aspect above.
  • inventions of the present application provide a communication device.
  • the device includes a processor and an interface circuit.
  • the interface circuit is used to receive code instructions and transmit them to the processor.
  • the processor is used to run the code instructions to cause The device performs the method described in the third aspect above.
  • inventions of the present application provide a communication device.
  • the device includes a processor and an interface circuit.
  • the interface circuit is used to receive code instructions and transmit them to the processor.
  • the processor is used to run the code instructions to cause The device performs the method described in the fourth aspect above.
  • embodiments of the present application provide an extended reality business policy implementation system.
  • the system includes the communication device described in the fifth aspect, the sixth aspect, the seventh aspect or the eighth aspect, or the system includes the third aspect.
  • the communication device described in the ninth aspect, the tenth aspect, the eleventh aspect or the twelfth aspect, or the system includes the communication device described in the thirteenth aspect, the fourteenth aspect, the fifteenth aspect or the sixteenth aspect device, or the system includes the communication device described in the seventeenth, eighteenth, nineteenth or twentieth aspect.
  • embodiments of the present invention provide a computer-readable storage medium for storing instructions used by the above-mentioned terminal equipment. When the instructions are executed, the terminal equipment is caused to execute the above-mentioned first aspect. Methods.
  • embodiments of the present invention provide a readable storage medium for storing instructions used by the above-mentioned network-side device. When the instructions are executed, the network-side device is caused to execute the above-mentioned second aspect. method described.
  • embodiments of the present invention provide a computer-readable storage medium for storing instructions used by the above-mentioned terminal equipment. When the instructions are executed, the terminal equipment is caused to execute the above-mentioned third aspect. Methods.
  • embodiments of the present invention provide a readable storage medium for storing instructions used by the above-mentioned network-side device. When the instructions are executed, the network-side device is caused to execute the above-mentioned fourth aspect. method described.
  • the present application also provides a computer program product including a computer program, which when run on a computer causes the computer to execute the method described in the first aspect.
  • the present application also provides a computer program product including a computer program, which when run on a computer causes the computer to execute the method described in the second aspect.
  • the present application also provides a computer program product including a computer program, which when run on a computer causes the computer to execute the method described in the third aspect.
  • the present application also provides a computer program product including a computer program, which when run on a computer causes the computer to execute the method described in the fourth aspect.
  • the present application provides a chip system, which includes at least one processor and an interface for supporting the terminal device to implement the functions involved in the first aspect, for example, determining or processing the data involved in the above method. and information.
  • the chip system further includes a memory, and the memory is used to store necessary computer programs and data for the terminal device.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • this application provides a chip system, which includes at least one processor and an interface for supporting the network side device to implement the functions involved in the second aspect, for example, determining or processing the functions involved in the above method. at least one of data and information.
  • the chip system further includes a memory, and the memory is used to store necessary computer programs and data for the network side device.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • the present application provides a chip system, which includes at least one processor and an interface for supporting the terminal device to implement the functions involved in the third aspect, for example, determining or processing the functions involved in the above method. At least one of data and information.
  • the chip system further includes a memory, and the memory is used to store necessary computer programs and data for the terminal device.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • this application provides a chip system.
  • the chip system includes at least one processor and an interface for supporting the network side device to implement the functions involved in the fourth aspect, for example, determining or processing the functions involved in the above method. at least one of data and information.
  • the chip system further includes a memory, and the memory is used to store necessary computer programs and data for the network side device.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • this application provides a computer program that, when run on a computer, causes the computer to execute the method described in the first aspect.
  • this application provides a computer program that, when run on a computer, causes the computer to execute the method described in the second aspect.
  • this application provides a computer program that, when run on a computer, causes the computer to execute the method described in the third aspect.
  • this application provides a computer program that, when run on a computer, causes the computer to execute the method described in the fourth aspect.
  • Figure 1 is a schematic architectural diagram of a communication system provided by an embodiment of the present application.
  • Figure 2 is a schematic flowchart of an extended reality business strategy implementation method provided by an embodiment of the present application
  • Figure 3 is a schematic flowchart of an extended reality business strategy implementation method provided by an embodiment of the present application.
  • Figure 4 is a schematic flowchart of an extended reality business strategy implementation method provided by an embodiment of the present application.
  • Figure 5 is a schematic flowchart of an extended reality business strategy implementation method provided by an embodiment of the present application.
  • Figure 6 is a schematic flowchart of an extended reality business strategy implementation method provided by an embodiment of the present application.
  • Figure 7 is a schematic flowchart of an extended reality business strategy implementation method provided by an embodiment of the present application.
  • Figure 8 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • Figure 9 is a schematic structural diagram of another communication device provided by an embodiment of the present application.
  • Figure 10 is a schematic structural diagram of a chip provided by an embodiment of the present application.
  • Protocol Data Unit (PDU) session :
  • a PDU session is an association between a terminal device and a data network (DN), used to provide a PDU connection service.
  • DN data network
  • PDUs will be established at each layer of the transmission system.
  • PDU contains information from the upper layer, as well as information attached to the entity of the current layer. This PDU is then passed to the next lower layer.
  • the physical layer actually transmits these PDUs as a framed bit stream, but it is the higher layers of the protocol stack that construct these PDUs.
  • the receiving system transmits these packets through the protocol stack from the bottom up, and separates the relevant information in the PDU at each layer of the protocol stack.
  • the information attached to the PDU by each layer is designated to the peer layer of another system for the purpose of coordinating the communication session at the peer layer.
  • the data segment is processed by stripping headers from the transport layer segment, performing protocol data detection to determine the data of the protocol segment that is part of the data of the transport layer segment, and performing flag verification and stripping.
  • Techniques are also provided for processing data segments in which header portions of protocol data units are received. The received header portion is used to determine the number of bytes of data to be stored in application space. Furthermore, the received header part is used to determine the next header part of the next protocol data unit. Then, issue a peek command to get the next header part.
  • Techniques are also provided for performing cyclic redundancy checks using stored partial cyclic redundancy check digests and remaining data.
  • QoS Quality of Service
  • 5QI is a scalar used to index to the corresponding 5G QoS characteristics.
  • 5QI is divided into standardized 5QI, preconfigured 5QI and dynamically allocated 5QI.
  • standardized 5QI there is a one-to-one correspondence with a set of standardized 5G QoS characteristic values; for pre-configured 5QI, the corresponding 5G QoS characteristic value is pre-configured on the access network device.
  • the corresponding 5G QoS characteristic is given by The core network equipment sends it to the access network equipment through QoS profile.
  • ARP includes priority level, preemption capability and preempted capability.
  • Guaranteed flow bit rate Guaranteed flow bit rate (GFBR)
  • GFBR represents the bit rate expected to be provided to a guaranteed bit rate (GBR) QoS flow.
  • MFBR limits the bit rate provided to GBR QoS flow, that is, the maximum bit rate provided to GBR QoS flow. If this bit rate is exceeded, packets may be dropped.
  • QA is used to indicate that services transmitted using the corresponding QoS flow (flow) use inverted QoS.
  • QNC is used to instruct the access network device whether to notify the network when GFBR cannot meet the QoS flow usage period.
  • the 5G QoS model is used to support GBR QoS flow and non-GBR (non-GBR) QoS flow. Data packets controlled by the same QoS flow receive the same transmission processing (such as scheduling, admission threshold, etc.).
  • Figure 1 is a schematic architectural diagram of a communication system provided by an embodiment of the present application.
  • the communication system may include but is not limited to one network side device and one terminal device.
  • the number and form of devices shown in Figure 1 are only for examples and do not constitute a limitation on the embodiments of the present application. In actual applications, two or more devices may be included.
  • the communication system shown in Figure 1 includes a network side device 101 and a terminal device 102 as an example.
  • LTE long term evolution
  • 5th generation 5th generation
  • NR 5th generation new radio
  • side link in the embodiment of the present application may also be called a side link or a through link.
  • the network side device 101 in the embodiment of this application is an entity on the network side that is used to transmit or receive signals.
  • the network side device 101 can be an evolved base station (evolved NodeB, eNB), a transmission point (transmission reception point, TRP), a next generation base station (next generation NodeB, gNB) in an NR system, or other future mobile communication systems.
  • eNB evolved base station
  • TRP transmission reception point
  • gNB next generation base station
  • WiFi wireless fidelity
  • the embodiments of this application do not limit the specific technology and specific equipment form used by the network side equipment.
  • the network-side equipment may be composed of a centralized unit (central unit, CU) and a distributed unit (DU), where the CU may also be called a control unit (control unit), using CU-
  • the structure of DU can separate the protocol layers of network-side equipment, such as base stations, with some protocol layer functions placed under centralized control by the CU, while the remaining part or all protocol layer functions are distributed in the DU, and the CU centrally controls the DU.
  • the terminal device 102 in the embodiment of this application is an entity on the user side that is used to receive or transmit signals, such as a mobile phone.
  • Terminal equipment can also be called terminal equipment (terminal), user equipment (user equipment, UE), mobile station (mobile station, MS), mobile terminal equipment (mobile terminal, MT), etc.
  • the terminal device can be a car with communication functions, a smart car, a mobile phone, a wearable device, a tablet computer (Pad), a computer with wireless transceiver functions, a virtual reality (VR) terminal device, an augmented reality (augmented reality (AR) terminal equipment, wireless terminal equipment in industrial control, wireless terminal equipment in self-driving, wireless terminal equipment in remote medical surgery, smart grid ( Wireless terminal equipment in smart grid, wireless terminal equipment in transportation safety, wireless terminal equipment in smart city, wireless terminal equipment in smart home, etc.
  • the embodiments of this application do not limit the specific technology and specific equipment form used by the terminal equipment.
  • XRM services such as AR/VR, cloud games, video-based machine or drone remote control among current mobile media services are expected to contribute increasing traffic to 5G networks.
  • XRM business requires the 5GS system to comprehensively consider the QoS characteristics of the relevant data flows of the business, such as whether delay critical GBR data flow, GFBR, (Packet Delay Budget, PDB), Default Maximum Data Burst Volume (MDBV) and other parameters can be satisfied and coordinated at the same time consistent. Involving multiple XRM data streams of one UE, and XRM data streams of multiple UEs, the consistency of QoS authorization and execution of each other is guaranteed.
  • the current 5GS system does not yet have a complete mechanism to ensure that all data streams of an XRM service of the UE will be transmitted using and only one PDU session.
  • Figure 2 is a schematic flowchart of an extended reality business policy implementation method provided by an embodiment of the present application. The method is applied to PCF. As shown in Figure 2, the method may include but is not limited to the following steps:
  • Step 201 Receive an application function AF session creation request message, wherein the first indication information in the AF session creation request message is used to indicate the AF session requested by the AF session creation request message. Associated Packet Data Unit PDU session.
  • the AF sends an AF session creation request message to the PCF through NEF to create an AF session.
  • the PCF receives the AF session creation request message sent by the AF through NEF.
  • the first indication information in the AF session creation request message is the same as the PDU.
  • the information types corresponding to the sessions are the same and are used to determine the PDU session corresponding to the AF session.
  • Step 202 Associate the AF session with the PDU session according to the first indication information.
  • the PCF associates the AF session with the corresponding PDU session according to the indication information in the AF session creation request message to implement data stream transmission from the UE to the AF.
  • associating the AF session with the PDU session according to the first indication information includes:
  • the PCF updates the policy information of the PDU session according to the first indication information in the AF session creation request message to make the PDU session consistent with the policy information of the AF session, so as to associate the AF session with the PDU session. .
  • the method further includes:
  • the URSP rule table includes second indication information, and the second indication information is used to indicate the corresponding XRM service.
  • the URSP rule table is provided to the UE through the PCF in the core network to inform the UE of the routing strategy.
  • the URSP rule table contains one or more routing descriptors, and each routing descriptor has a different routing descriptor priority.
  • this application adds the first indication information to the URSP rule table, and the first indication information is used to indicate the corresponding XRM service.
  • the core network After the UE registers with the network, the core network will execute the UE policy association creation process.
  • the AMF Access and Mobility Management function
  • the AMF Interacts with the PCF to cause the PCF to send the UE policy container containing the UE policy information to the UE to update the UE configuration.
  • the UE policy container includes the URSP.
  • the UE policy association creation process involves roaming and non-roaming situations.
  • the Visited Policy Control Function (V-PCF) is not involved in the process, and the functions of the Home Policy Control Function (Home Policy Control Function, H-PCF) are performed by the PCF.
  • the V-PCF interacts with the AMF and the H-PCF interacts with the V-PCF.
  • Figure 6 is a schematic flow chart of an extended reality service policy implementation method provided by an embodiment of the present application. As shown in Figure 6, the process of causing the PCF to send the UE policy container (including the UE's URSP policy) containing the UE policy information to the UE Specifically include:
  • the PCF After the PCF decides to update the UE policy, it checks whether it has subscribed to the notification of the UE response from the AMF to the UE policy information update. If not subscribed, the PCF shall subscribe to the AMF to receive notifications of UE responses regarding UE policy information updates.
  • Step 601. PCF sends Namf_Communication_N1N2MessageTransfer message to AMF.
  • This message includes SUPI and UE policy container.
  • Step 602. The AMF determines whether to use the UE policy container in the Namf_Communication_N1N2MessageTransfer message based on information such as whether the UE is registered in a 3GPP network and/or a non-3GPP network, and whether the AMF can access the UE through 3GPP network access or non-3GPP network access. Sent to UE.
  • Step 603. Deliver the UE policy. If the UE is in a connection management connection state (ConnectionManagement, CM-CONNECTED) accessed through 3GPP or non-3GPP access, AMF will transparently transmit the UE policy container received from the PCF and the UE policy information in it. to UE.
  • the UE policy container includes the above URSP list.
  • Step 604 UE policy delivery result feedback, the UE obtains the UE policy information according to the received UE policy container, updates the UE policy in the UE, and notifies the AMF of the update result of the UE policy.
  • Step 605. The AMF uses Namf_Communication_N1MessageNotify to forward the UE policy update result of the UE to the PCF.
  • XRM service indication information is added to the URSP for indication.
  • the XRM service indication information is used for direct indication. If the XRM service corresponding to the requested application is consistent with the XRM service indication information, the application request message corresponding to the requested application is transmitted through the PDU session corresponding to the XRM service.
  • the application description information is used to indirectly inform the UE of the XRM service to be transmitted using the same PDU session.
  • the URSP rule tables are shown in Table 1 and Table 2,
  • application descriptors are the application description information.
  • the UE can be indirectly informed of the XRM service indication information by the application descriptor in the URSP rule table, even if the UE indicates the XRM service according to the application descriptor. Instruct the information to obtain the corresponding XRM business ID or XRM group ID.
  • the USRP rule table with the application descriptor added is delivered to the UE through the process shown in Figure 6, and the UE policy is updated.
  • the XRM indication is the newly added XRM service indication information, and the UE can determine the XRM service identifier or XRM group identifier according to the XRM indication.
  • the USRP rule table with the XRM service indication information added is delivered to the UE through the process shown in Figure 6, and the UE policy is updated.
  • the UE evaluates the URSP rule table in rule priority order to determine whether the application matches the traffic descriptor of any URSP rule.
  • the UE shall select routing descriptors in that URSP rule in order of routing descriptor priority.
  • the UE determines whether there is an existing PDU session matching all components in the selected routing descriptor. and compares the components of the selected routing descriptor with the existing PDU session.
  • the second indication information includes at least one of the following:
  • the method also includes:
  • the UE selects the PCF by performing Access Management (AM) session association, and the PCF sends URSP rules to the UE through the UE configuration update process.
  • A Access Management
  • the method also includes:
  • the URSP rule table is updated according to the UE's capability information, subscription information or operator policy information, and is sent to the UE.
  • the first indication information includes at least one of the following:
  • Application ID wherein the Application ID corresponds to S-NSSAI and DNN.
  • the AF session creation request message includes at least one of the following:
  • the address or identity of the UE is the address or identity of the UE
  • the AF session creation request message is authorized by NEF.
  • the NEF authorizes the AF session creation request message, and the PCF receives the authorized AF session creation request message.
  • the method further includes:
  • a policy decision feedback message is generated according to the AF session creation request message authorized by NEF and sent to NEF.
  • the PCF after the NEF sends the authorized AF session creation request message to the PCF, the PCF will further make a policy decision and decide to update the PDU session usage according to the specific first indication information in the AF session creation request message. policy information.
  • the PCF notifies the AF of the result of the policy decision according to the policy decision feedback message.
  • the policy information includes Policy and Charging Control (PCC) rules and/or Qos policies.
  • PCC Policy and Charging Control
  • PCF allocates QoS parameters to PCC rules or Qos policies, and provides the PCC rules and/or Qos policies to the Session Management Function (SMF), so that the SMF can act according to the network conditions and PCC rules and/or Qos policies. Perform QoS upgrade or downgrade.
  • the QoS parameters originate from the AF session creation request message.
  • Figure 3 is a schematic flowchart of an extended reality business policy implementation method provided by an embodiment of the present application. The method is applied to AF. As shown in Figure 3, the method may include but is not limited to the following steps:
  • Step 301 Send an AF session creation request message to the PCF through the NEF, where the AF session creation request message includes first indication information, and the first indication information is used to indicate the AF requested by the AF session creation request message.
  • the AF sends an AF session creation request message to the PCF through the NEF to create an AF session.
  • the first indication information in the AF session creation request message is the same type as the information corresponding to the PDU session and is used to determine the corresponding PDU. session, and associate the AF session with the corresponding PDU session to realize data stream transmission from UE to AF.
  • the method further includes:
  • the AF session creation feedback message sent by the PCF is received through the NEF.
  • the method further includes:
  • the AF receives the application request message sent by the UE through the PDU session to obtain the information corresponding to the PDU session, and to obtain the first indication information in the AF session creation request message.
  • the first indication information is the information corresponding to the PDU session.
  • the AF session creation request message further includes at least one of the following:
  • the data flow corresponding to the XRM service can be identified according to the XRM service identifier, and all data flows in the XRM service group can be identified according to the XRM group identifier. So that the data flow corresponding to the XRM service uses the same PDU for transmission.
  • the first indication information includes at least one of the following:
  • Application ID wherein the Application ID corresponds to S-NSSAI and DNN.
  • the first indication information in the AF session creation request message is consistent with the information corresponding to the PDU session.
  • Application ID can be mapped to S-NSSAI and DNN.
  • the AF session creation request message further includes at least one of the following:
  • the address or identity of the UE is the address or identity of the UE
  • the AF session creation request message also includes the UE address (UEaddress), the UE identifier (UEIdentifier), the AF identifier (AF Identifier), data flow description information (Flow description), and Qos parameters.
  • Figure 4 is a schematic flowchart of an extended reality business policy implementation method provided by an embodiment of the present application. The method is applied to NEF. As shown in Figure 4, the method may include but is not limited to the following steps:
  • Step 401 Receive an AF session creation request message sent by the AF, where the AF session creation request message includes first indication information, and the first indication information is used to indicate the AF session requested by the AF session creation request message.
  • the associated PDU session The associated PDU session.
  • NEF receives the AF session creation request message sent by AF.
  • the first indication information in the AF session creation request message is the same as the information type corresponding to the PDU session, and is used to determine the corresponding PDU session, and AF The session is associated with the corresponding PDU session to realize data stream transmission from UE to AF.
  • Step 402 Authorize the AF session creation request message, and send the authorized AF session creation request message to the PCF, so that the PCF associates the AF session with the PDU session.
  • NEF authorizes the AF session creation request message, retains the AF session corresponding to the authorized AF session creation request message, and deletes the AF session corresponding to the unauthorized AF session creation request message.
  • the authorized AF session creation request message is sent to the PCF, so that the PCF associates the AF session corresponding to the authorized AF session creation request message with the PDU session to implement data stream transmission from the UE to the AF.
  • the data flow of the XRM service can all use the same PDU session, which is beneficial to improving the transmission efficiency of the service data flow in the session and avoiding the waste of communication resources.
  • the method further includes:
  • NEF generates an AF session creation feedback message based on the authorization result of the AF session creation request message, and sends the AF session creation feedback message to the AF to notify the AF of the authorization result.
  • the method further includes:
  • the PCF after the NEF sends the authorized AF session creation request message to the PCF, the PCF will further make a policy decision and decide to update the PDU session usage according to the specific second indication information in the AF session creation request message. policy information.
  • the PCF notifies the AF of the result of the policy decision according to the policy decision feedback message.
  • the first indication information includes at least one of the following:
  • Application ID wherein the Application ID corresponds to S-NSSAI and DNN.
  • the AF session creation request message includes at least one of the following:
  • the address or identity of the UE is the address or identity of the UE
  • the method further includes:
  • TSCTSF Time Sensitive Communication and Time Synchronization Function
  • NEF may decide to call TSCTSF to communicate with the PCF based on the AF identifier or Qos parameter in the AF session creation request message, and send the authorized AF session creation request message to the PCF, so that The PCF associates the AF session with the PDU session.
  • Figure 5 is a schematic flowchart of an extended reality business policy implementation method provided by an embodiment of the present application. The method is applied to UE. As shown in Figure 5, the method may include but is not limited to the following steps:
  • Step 501 Obtain the URSP rule table sent by the PCF, where the URSP rule table includes second indication information, and the second indication information is used to indicate the corresponding XRM service.
  • the URSP rule table is provided to the UE through the PCF in the core network to inform the UE of the routing strategy.
  • the URSP rule table contains one or more routing descriptors, and each routing descriptor has a different routing descriptor priority.
  • this application adds the second indication information to the URSP rule table, and the second indication information is used to indicate the corresponding XRM service.
  • Step 502 Obtain the XRM service corresponding to the requested application.
  • the UE when the UE initiates an application-related request to the AF, it obtains the XRM service corresponding to the application to determine whether it complies with the rules in the URSP.
  • Step 503 If the XRM service corresponding to the requested application is consistent with the XRM service corresponding to the second indication information, send an application request message to the application function AF through the packet data unit PDU session corresponding to the XRM service.
  • the XRM service corresponding to the requesting application is consistent with the XRM service corresponding to the second indication information, it means that the XRM service corresponding to the requesting application can select routes according to the rules in the URSP.
  • the application request message is sent to the AF through the PDU session corresponding to the XRM service, so that all data streams of an XRM service in the UE are transmitted using one PDU session.
  • the PDU session corresponding to the transmission application request message is determined by the XRM service corresponding to the requesting application and the second indication information in the URSP rule table, and the application request message is sent to the application function AF according to the existing PDU session, so that the AF creates a session with the PDU
  • the associated AF session allows for an XRM service of the same UE and the data flow of the XRM service to use the same PDU session, which is beneficial to improving the transmission efficiency of the XRM service and avoiding waste of communication resources.
  • the second indication information includes at least one of the following:
  • XRM service indication information is added to the URSP for indication.
  • the XRM service indication information is used for direct indication. If the XRM service corresponding to the requested application is consistent with the XRM service indication information, the application request message corresponding to the requested application is transmitted through the PDU session corresponding to the XRM service.
  • the application description information is used to indirectly inform the UE of the XRM service to be transmitted using the same PDU session.
  • the URSP rule table is shown in Table 1 and Table 2.
  • the application descriptors are the application description information.
  • the UE can be indirectly informed of the XRM service indication information by the application descriptors in the URSP rule table. , that is, the UE obtains the corresponding XRM service identifier or XRM group identifier according to the XRM service indication information.
  • the XRM indication is the newly added XRM service indication information, and the UE can determine the XRM service identifier or XRM group identifier according to the XRM indication.
  • the UE evaluates the URSP rule table in rule priority order to determine whether the application matches the traffic descriptor of any URSP rule.
  • the UE shall select routing descriptors in that URSP rule in order of routing descriptor priority.
  • the UE determines whether there is an existing PDU session matching all components in the selected routing descriptor. and compares the components of the selected routing descriptor with the existing PDU session.
  • the application request message includes information corresponding to the PDU session, so that the PCF associates the AF session created by the AF to the PDU session.
  • the PDU session is a session between the UE and the PCF
  • the AF session is a session between the PCF and the AF.
  • the AF session needs to be associated with the PDU session.
  • the corresponding PDU is determined through the information corresponding to the PDU session in the application request message, so as to associate the PDU with the AF session created by the AF.
  • the information corresponding to the PDU session includes at least one of the following:
  • Network slice selection supports information S-NSSAI and data network name DNN;
  • the application function identifies Application ID, where the Application ID corresponds to S-NSSAI and DNN.
  • the corresponding PDU session is determined through S-NSSAI and DNN. Or determine the corresponding PDU session through Application ID. Application ID can be mapped to S-NSSAI and DNN.
  • the application request message includes an XRM service identifier or an XRM group identifier.
  • the XRM service identifier or XRM group identifier in the application request message represents the XRM service corresponding to the requested application.
  • the XRM corresponding to the information is consistent to determine whether to send the application request message to AF through the PDU session corresponding to the XRM service.
  • FIG. 7 is a schematic flow chart of an extended reality business strategy implementation method provided by an embodiment of the present application. As shown in Figure 7, the process is as follows:
  • Step 701. AF creates an AF session through the Nnef_AFsessionWithQoS_Create request message, that is, the AF session creation request message.
  • AF carries XRM service identifier or XRM group identifier, DNN, S-NSSAI, and UE address or identifier, AF identifier Identifier, ApplicationID, data flow description information Flow description(s), QoS parameters and other information in the request message.
  • the XRM group identifier contains GroupID, which can be used to identify all data flows in the XRM business group.
  • the XRM service identifier here identifies the flow as XRMservice.
  • the XRM business identifier can also be implicitly carried through ApplicationID.
  • the S-NSSAI and DNN in the request message can be obtained from the S-NSSAI and DNN carried in the application request message sent by the UE to the AF.
  • the external ApplicationID carried in the application request message sent by the UE to the AF is mapped to obtain the S-NSSAI and DNN.
  • Step 702. NEF authorizes the Nnef_AFsessionWithQoS_Create request message and determines whether to use the AF session corresponding to the Nnef_AFsessionWithQoS_Create request.
  • NEF performs related mapping, mapping ApplicationID to DNN and S-NSSAI; or, performs mapping of external to internal XRM business group identifiers.
  • NEF authorizes the Nnef_AFsessionWithQoS_Create request, it decides whether to call TSCTSF or directly contact PCF based on the information provided by AF (such as QoS parameters, AF identification). to establish an AF session with the required QoS procedures.
  • PCF receives the XRM service identity or XRM group identity, DNN, S-NSSAI, and UE address or identity, AF identity Identifier, ApplicationID, data flow description information Flow description(s), QoS parameters and other information from NEF or TSCTSF. .
  • NEF triggers the Npcf_PolicyAuthorization_Create message and sends the authorized Npcf_PolicyAuthorization_Create message to PCF, carrying the above XRM business-related information and QoS information for PCF to make policy decisions.
  • Step 704. Execute policy decision-making and authorization, that is, generate PCC rules and QoS authorization for the data flow corresponding to the XRM service based on the S-NSSAI and DNN received in the Npcf_PolicyAuthorization_Create message.
  • PCF generates or updates PCC rules based on NEF requests.
  • Npcf_SMPolicyControl_UpdateNotify to update the policy information of the corresponding PDU session in SMF according to the PCC rules and QoS policies related to Nnef_AFsessionWithQoS_Create request.
  • Step 705. PCF sends the Npcf_PolicyAuthorization_Createresponse message to NEF to inform the result of the policy decision.
  • Step 706 NEF sends the Nnef_AFsessionWithQoS_Createresponse message to AF to inform AF of the authorization result, that is, whether the Nnef_AFsessionWithQoS_Create request message is authorized.
  • Step 707 The SMF uses the PCC rules and QoS parameters received in step 4 to determine the authorized QoS of the QoS flow and initiate the network requested PDU session modification process. Provides updated QoS attributes as user plane policies and XRM service group information flows to the Next Generation Radio Area Network (NG-RAN) related traffic.
  • NG-RAN Next Generation Radio Area Network
  • the methods provided by the embodiments of the present application are introduced from the perspectives of network side equipment and terminal equipment.
  • the network side device and the terminal device may include a hardware structure and a software module to implement the above functions in the form of a hardware structure, a software module, or a hardware structure plus a software module.
  • a certain function among the above functions can be executed by a hardware structure, a software module, or a hardware structure plus a software module.
  • FIG. 8 is a schematic structural diagram of a communication device 80 provided by an embodiment of the present application.
  • the communication device 80 shown in FIG. 8 may include a transceiver module 801 and a processing module 802.
  • the transceiving module 801 may include a sending module and/or a receiving module.
  • the sending module is used to implement the sending function
  • the receiving module is used to implement the receiving function.
  • the transceiving module 801 may implement the sending function and/or the receiving function.
  • the communication device 80 may be a terminal device (such as the terminal device in the foregoing method embodiment), a device in the terminal device, or a device that can be used in conjunction with the terminal device.
  • the communication device 80 may be a network-side device, a device in the network-side device, or a device that can be used in conjunction with the network-side device.
  • the communication device 80 is a PCF device, including:
  • the first transceiver module is configured to receive an application function AF session creation request message, wherein the first indication information in the AF session creation request message is used to indicate that the AF session creation request message requests The packet data unit PDU session associated with the AF session;
  • a session association module configured to associate the AF session with the PDU session according to the first indication information.
  • the communication device 80 is an AF device, including:
  • the second transceiver module is configured to send an AF session creation request message to the PCF through the NEF, where the AF session creation request message includes first indication information, and the first indication information is used to indicate the AF session creation request message.
  • the communication device 80 is NEF equipment, including:
  • the third transceiver module is configured to receive the AF session creation request message sent by the AF, wherein the AF session creation request message includes first indication information, and the first indication information is used to indicate the AF session creation request message.
  • An authorization module configured to authorize the AF session creation request message, and send the authorized AF session creation request message to the PCF, so that the PCF associates the AF session with the PDU session.
  • the communication device 80 is a UE device, including:
  • a rule update module configured to obtain the URSP rule table sent by the PCF, where the URSP rule table includes second indication information, and the second indication information is used to indicate the corresponding XRM service;
  • the business acquisition module is used to obtain the XRM business corresponding to the requested application
  • the fourth transceiver module if the XRM service corresponding to the requested application is consistent with the XRM service corresponding to the second indication information, sends an application request message to the AF through the PDU session corresponding to the XRM service.
  • FIG. 9 is a schematic structural diagram of another communication device 90 provided by an embodiment of the present application.
  • the communication device 90 may be a network-side device, a terminal device (such as the terminal device in the foregoing method embodiment), or a chip, chip system, or processor that supports the network-side device to implement the above method, or it may be Chips, chip systems, or processors that support terminal equipment implementing the above methods.
  • the device can be used to implement the method described in the above method embodiment. For details, please refer to the description in the above method embodiment.
  • Communication device 90 may include one or more processors 901.
  • the processor 901 may be a general-purpose processor or a special-purpose processor, or the like.
  • it can be a baseband processor or a central processing unit.
  • the baseband processor can be used to process communication protocols and communication data.
  • the central processor can be used to control communication devices (such as base stations, baseband chips, terminal equipment, terminal equipment chips, DU or CU, etc.) and execute computer programs. , processing data for computer programs.
  • the communication device 90 may also include one or more memories 902, on which a computer program 903 may be stored.
  • the processor 901 executes the computer program 903, so that the communication device 90 performs the steps described in the above method embodiments. method.
  • the memory 902 may also store data.
  • the communication device 90 and the memory 902 can be provided separately or integrated together.
  • the communication device 90 may also include a transceiver 904 and an antenna 905.
  • the transceiver 904 may be called a transceiver unit, a transceiver, a transceiver circuit, etc., and is used to implement transceiver functions.
  • the transceiver 904 may include a receiver and a transmitter.
  • the receiver may be called a receiver or a receiving circuit, etc., used to implement the receiving function;
  • the transmitter may be called a transmitter, a transmitting circuit, etc., used to implement the transmitting function.
  • the communication device 90 may also include one or more interface circuits 906.
  • the interface circuit 906 is used to receive code instructions and transmit them to the processor 901 .
  • the processor 901 executes the code instructions to cause the communication device 90 to perform the method described in the above method embodiment.
  • the communication device 90 is a terminal device or a network-side device.
  • the processor 901 may include a transceiver for implementing receiving and transmitting functions.
  • the transceiver may be a transceiver circuit, an interface, or an interface circuit.
  • the transceiver circuits, interfaces or interface circuits used to implement the receiving and transmitting functions can be separate or integrated together.
  • the above-mentioned transceiver circuit, interface or interface circuit can be used for reading and writing codes/data, or the above-mentioned transceiver circuit, interface or interface circuit can be used for signal transmission or transfer.
  • the processor 901 may store a computer program 903, and the computer program 903 runs on the processor 901, causing the communication device 90 to perform the method described in the above method embodiment.
  • the computer program 903 may be solidified in the processor 901, in which case the processor 901 may be implemented by hardware.
  • the communication device 90 may include a circuit, and the circuit may implement the functions of sending or receiving or communicating in the foregoing method embodiments.
  • the processor and transceiver described in this application can be implemented in integrated circuits (ICs), analog ICs, radio frequency integrated circuits RFICs, mixed signal ICs, application specific integrated circuits (ASICs), printed circuit boards ( printed circuit board (PCB), electronic equipment, etc.
  • the processor and transceiver can also be manufactured using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), n-type metal oxide-semiconductor (NMOS), P-type Metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
  • CMOS complementary metal oxide semiconductor
  • NMOS n-type metal oxide-semiconductor
  • PMOS P-type Metal oxide semiconductor
  • BJT bipolar junction transistor
  • BiCMOS bipolar CMOS
  • SiGe silicon germanium
  • GaAs gallium arsenide
  • the communication device described in the above embodiments may be a network side device or a terminal device (such as the terminal device in the foregoing method embodiment), but the scope of the communication device described in this application is not limited thereto, and the structure of the communication device may not be Subject to the limitations of Figure 9.
  • the communication device may be a stand-alone device or may be part of a larger device.
  • the communication device may be:
  • the IC collection may also include storage components for storing data and computer programs;
  • the communication device may be a chip or a chip system
  • the communication device may be a chip or a chip system
  • the chip shown in Figure 10 includes a processor 1001 and an interface 1002.
  • the number of processors 1001 may be one or more, and the number of interfaces 1002 may be multiple.
  • the chip also includes a memory 1003, which is used to store necessary computer programs and data.
  • Embodiments of the present application also provide an extended reality service policy implementation system, which system includes a communication device as a terminal device (such as the terminal device in the foregoing method embodiment) in the embodiment of FIG. 6 and a communication device as a network-side device.
  • the system includes the communication device as a terminal device (such as the terminal device in the foregoing method embodiment) in the embodiment of FIG. 9 and a communication device as a network-side device.
  • This application also provides a readable storage medium on which instructions are stored. When the instructions are executed by a computer, the functions of any of the above method embodiments are implemented.
  • This application also provides a computer program product, which, when executed by a computer, implements the functions of any of the above method embodiments.
  • the above embodiments it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • software it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer programs.
  • the computer program When the computer program is loaded and executed on a computer, the processes or functions described in the embodiments of the present application are generated in whole or in part.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
  • the computer program may be stored in or transferred from one computer-readable storage medium to another, for example, the computer program may be transferred from a website, computer, server, or data center Transmission to another website, computer, server or data center through wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) means.
  • the computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains one or more available media integrated.
  • the usable media may be magnetic media (e.g., floppy disks, hard disks, magnetic tapes), optical media (e.g., high-density digital video discs (DVD)), or semiconductor media (e.g., solid state disks, SSD)) etc.
  • magnetic media e.g., floppy disks, hard disks, magnetic tapes
  • optical media e.g., high-density digital video discs (DVD)
  • DVD digital video discs
  • semiconductor media e.g., solid state disks, SSD
  • At least one in this application can also be described as one or more, and the plurality can be two, three, four or more, which is not limited by this application.
  • the technical feature is distinguished by “first”, “second”, “third”, “A”, “B”, “C” and “D”, etc.
  • the technical features described in “first”, “second”, “third”, “A”, “B”, “C” and “D” are in no particular order or order.
  • the corresponding relationships shown in each table in this application can be configured or predefined.
  • the values of the information in each table are only examples and can be configured as other values, which are not limited by this application.
  • the corresponding relationships shown in some rows may not be configured.
  • appropriate deformation adjustments can be made based on the above table, such as splitting, merging, etc.
  • the names of the parameters shown in the titles of the above tables may also be other names understandable by the communication device, and the values or expressions of the parameters may also be other values or expressions understandable by the communication device.
  • other data structures can also be used, such as arrays, queues, containers, stacks, linear lists, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables or hash tables. wait.
  • Predefinition in this application can be understood as definition, pre-definition, storage, pre-storage, pre-negotiation, pre-configuration, solidification, or pre-burning.

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Abstract

本申请实施例公开了一种扩展现实业务策略实现方法及其装置，可以应用于长期演进（long term evolution，LTE）系统、第五代（5th generation，5G）移动通信系统、5G新空口（new radio，NR）系统，或者其他未来的新型移动通信系统等通信系统，该方法包括：获取PCF发送的URSP规则表，所述URSP规则表包括第一指示信息；如果所述所请求应用对应的XRM业务与所述指示信息对应的XRM业务一致，则通过XRM业务对应的PDU会话向AF发送应用请求消息。通过实施本申请实施例，通过接收AF会话创建请求消息进行授权确定AF会话，并根据第二指示信息获取与所述AF会话创建请求消息所请求的AF会话所关联的PDU会话，使PDU与AF关联，有利于提高会话中业务数据流的传输效率，避免通信资源浪费。

Description

扩展现实业务策略实现方法及装置 技术领域
本申请涉及通信技术领域，尤其涉及一种扩展现实业务策略实现方法及其装置。
背景技术
无线通信中，第五代(the 5th generation，5G)移动通信网络正迅速发展，网络能力开放是5G网络的重要功能。5G网络能够向第三方业务提供商提供开放的网络功能，使其具备调整网络配置和网络资源的能力。同时，开放的网络服务也可作为运营商的收费服务，通过向第三方业务提供商下放部分网络管理权限，创造新的网络商业运营模式。第三代合作伙伴计划(the 3rd generation partnership project，3GPP)R15阶段，5G核心网已经具备部分针对用户及业务的策略配置方案，并定义了用户设备路由选择策略(User EquipmentroutingSelection Policy，URSP)，重点定义了业务级别的配置和管理策略，为5G核心网定义的网络切片、业务和会话的连续性等功能提供了灵活的配置和管理手段。目前移动媒体类服务、云增强现实(Augmented Reality，AR)/虚拟现实(Virtual Reality，VR)、云游戏、基于视频的机器或无人机远程控制等扩展现实媒体(Extended Reality and Media Service，XRM)业务，预计将为5G网络贡献越来越高的流量。XRM业务的数据流本身，各数据流之间，以及这些数据流对网络传输的需求，都存在一些共性特征。目前的URSP尚缺乏对XRM业务相关的支持。
发明内容
本申请实施例提供一种扩展现实业务策略实现方法及其装置，可以应用于长期演进(long term evolution，LTE)系统、第五代(5th generation，5G)移动通信系统、5G新空口(new radio，NR)系统，或者其他未来的新型移动通信系统等通信系统，有利于提高会话中业务数据流的传输效率，避免通信资源浪费。
第一方面，本申请实施例提供一种扩展现实业务策略实现方法，所述方法应用于PCF(Policy Control Function，策略控制功能)，该方法包括：
接收应用功能AF会话创建请求消息，其中，所述AF会话创建请求消息中的第一指示信息，所述第一指示信息用于指示所述AF会话创建请求消息所请求的AF会话所关联的分组数据单元PDU会话；
根据所述第一指示信息将所述AF会话与所述PDU会话进行关联。
可选的，所述根据所述第一指示信息将所述AF会话与所述PDU会话进行关联，包括：
根据所述第一指示信息更新所述PDU会话的策略信息，以将所述AF会话与所述PDU会话进行关联。
可选的，所述方法还包括：
发送用户设备路由选择策略URSP规则表至用户设备UE，其中，所述URSP规则表包括第二指示信息，所述第二指示信息用于指示对应的XRM业务。
可选的，所述第二指示信息包括以下至少一种：
扩展现实媒体XRM业务指示信息；
应用描述信息。
可选的，所述方法还包括：
通过UE配置更新流程发送URSP规则表至所述UE。
可选的，所述方法还包括：
根据所述UE的能力信息、签约信息或运营商策略信息更新所述URSP规则表，并发送至所述UE。
可选的，所述第一指示信息包括以下至少一种：
网络切片选择支持信息S-NSSAI和数据网络名DNN；
应用功能标识Application ID，其中，所述Application ID与S-NSSAI和DNN对应。
可选的，所述AF会话创建请求消息包括以下至少一项：
XRM业务标识；
XRM组标识；
UE的地址或标识；
AF标识；
数据流描述信息；
服务质量Qos参数。
可选的，所述AF会话创建请求消息被网络能力开放功能NEF授权。
可选的，所述方法还包括：
根据被NEF授权的所述AF会话创建请求消息生成策略决策反馈消息并发送至NEF。
可选的，所述策略信息包括策略与计费控制PCC规则和/或Qos策略。
通过接收AF会话创建请求消息进行授权确定AF会话，并根据第二指示信息获取与所述AF会话创建请求消息所请求的AF会话所关联的PDU会话，从而通过PCF将PDU会话与AF会话关联，从而使得对于同一个UE的一个XRM业务，该XRM业务的数据流均可使用同一个PDU会话，进而有利于提高会话中业务数据流的传输效率，避免通信资源浪费。
第二方面，本申请实施例提供另一种扩展现实业务策略实现方法，所述方法应用于应用功能(Application Function，AF)，该方法包括：
通过NEF向PCF发送AF会话创建请求消息，其中，所述AF会话创建请求消息中包括第一指示信息，所述第一指示信息用于指示所述AF会话创建请求消息所请求的AF会话所关联的PDU会话。
可选的，所述方法还包括：
通过所述NEF接收所述PCF发送的AF会话创建反馈消息。
可选的，还包括：
接收UE通过所述PDU会话发送的应用请求消息，其中，所述应用请求消息包括所述PDU会话对应的信息，其中，所述PDU会话对应的信息为所述第一指示信息。
可选的，所述AF会话创建请求消息还包括以下至少一项：
XRM业务标识；
XRM组标识。
可选的，所述第一指示信息包括以下至少一种：
S-NSSAI和DNN；
Application ID，其中，所述Application ID与S-NSSAI和DNN对应。
可选的，所述AF会话创建请求消息还包括以下至少一项：
UE的地址或标识；
AF标识；
数据流描述信息；
Qos参数。
通过NEF向PCF发送AF会话创建请求消息以创建AF会话，并根据第二指示信息获取与所述AF会话创建请求消息所请求的AF会话所关联的PDU会话，从而通过PCF将PDU会话与AF会话关联，从而使得对于同一个UE的一个XRM业务，该XRM业务的数据流均可使用同一个PDU会话，进而有利于提高会话中业务数据流的传输效率，避免通信资源浪费。
第三方面，本申请实施例提供另一种扩展现实业务策略实现方法，所述方法应用于网络开放功能(Network Exposure Function，NEF)，该方法包括：
接收AF发送的AF会话创建请求消息，其中，所述AF会话创建请求消息中包括第一指示信息，所述第一指示信息用于指示所述AF会话创建请求消息所请求的AF会话所关联的PDU会话；
对所述AF会话创建请求消息进行授权，并将被授权的AF会话创建请求消息发送至所述PCF，以使所述PCF将所述AF会话与所述PDU会话关联。
可选的，所述方法还包括：
向所述AF发送AF会话创建反馈消息，以通知所述AF会话创建请求消息的授权结果。
可选的，所述方法还包括：
接收所述PCF发送的策略决策反馈消息，并向所述AF反馈。
可选的，所述第一指示信息包括以下至少一种：
S-NSSAI和DNN；
Application ID，其中，所述Application ID与S-NSSAI和DNN对应。
可选的，所述AF会话创建请求消息包括以下至少一项：
XRM业务标识；
XRM组标识；
UE的地址或标识；
AF标识；
数据流描述信息；
Qos参数。
可选的，所述方法还包括：
根据所述AF标识或Qos参数创建时敏通信时同步功能TSCTSF与所述PCF进行通信。
通过对AF会话创建请求消息进行授权确定AF会话，并根据第二指示信息获取与所述AF会话创建请求消息所请求的AF会话所关联的PDU会话，从而通过PCF将PDU会话与AF会话关联，从而使得对于同一个UE的一个XRM业务，该XRM业务的数据流均可使用同一个PDU会话，进而有利于提高会话中业务数据流的传输效率，避免通信资源浪费。
第四方面，本申请实施例提供另一种扩展现实业务策略实现方法，所述方法应用于用户设备(UserEquipment，UE)，该方法包括：
获取PCF发送的URSP规则表，其中，所述URSP规则表包括第二指示信息，所述第二指示信息用于指示对应的XRM业务；
获取所请求的应用对应的XRM业务；
如果所述所请求应用对应的XRM业务与所述第二指示信息对应的XRM业务一致，则通过所述XRM业务对应的PDU会话向AF发送应用请求消息。
可选的，所述第二指示信息包括以下至少一种：
XRM业务指示信息；
应用描述信息。
可选的，所述应用请求消息包括所述PDU会话对应的信息，以使所述PCF将AF创建的AF会话关联到所述PDU会话。
可选的，所述PDU会话对应的信息包括以下至少一种：
S-NSSAI和DNN；
Application ID，其中，所述Application ID与S-NSSAI和DNN对应。
可选的，所述应用请求消息中包括XRM业务标识或XRM组标识。
通过请求应用对应的XRM业务和URSP规则表中的第二指示信息确定传输应用请求消息对应的PDU会话，根据已有PDU会话向应用功能AF发送应用请求消息，以使AF创建与所述PDU会话关联的AF会话，从而使得对于同一个UE的一个XRM业务，该XRM业务的数据流均可使用同一个PDU会话，进而有利于提高XRM业务的传输效率，避免通信资源浪费。
第五方面，本申请实施例提供一种通信装置，该通信装置具有实现上述第一方面所述的方法中终端设备的部分或全部功能，比如通信装置的功能可具备本申请中的部分或全部实施例中的功能，也可以具备单独实施本申请中的任一个实施例的功能。所述功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的单元或模块。
在一种实现方式中，该通信装置的结构中可包括收发模块和处理模块，所述处理模块被配置为支持通信装置执行上述方法中相应的功能。所述收发模块用于支持通信装置与其他设备之间的通信。所述通信装置还可以包括存储模块，所述存储模块用于与收发模块和处理模块耦合，其保存通信装置必要的计算机程序和数据。
作为示例，处理模块可以为处理器，收发模块可以为收发器或通信接口，存储模块可以为存储器。在一种实现方式中，所述通信装置包括：
第一收发模块，用于接收应用功能AF会话创建请求消息，其中，所述AF会话创建请求消息中的第一指示信息，所述第一指示信息用于指示所述AF会话创建请求消息所请求的AF会话所关联的分组数据单元PDU会话；
会话关联模块，用于根据所述第一指示信息将所述AF会话与所述PDU会话进行关联。
第六方面，本申请实施例提供一种通信装置，该通信装置具有实现上述第一方面所述的方法中终端设备的部分或全部功能，比如通信装置的功能可具备本申请中的部分或全部实施例中的功能，也可以具备单独实施本申请中的任一个实施例的功能。所述功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的单元或模块。
在一种实现方式中，该通信装置的结构中可包括收发模块和处理模块，该处理模块被配置为支持通信装置执行上述方法中相应的功能。收发模块用于支持通信装置与其他设备之间的通信。所述通信装置还可以包括存储模块，所述存储模块用于与收发模块和处理模块耦合，其保存通信装置必要的计算机程序和数据。
作为示例，处理模块可以为处理器，收发模块可以为收发器或通信接口，存储模块可以为存储器。在一种实现方式中，所述通信装置包括：
第七方面，本申请实施例提供一种通信装置，该通信装置具有实现上述第一方面所述的方法中终端设备的部分或全部功能，比如通信装置的功能可具备本申请中的部分或全部实施例中的功能，也可以具备单独实施本申请中的任一个实施例的功能。所述功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的单元或模块。
在一种实现方式中，该通信装置的结构中可包括收发模块和处理模块，该处理模块被配置为支持通信装置执行上述方法中相应的功能。收发模块用于支持通信装置与其他设备之间的通信。所述通信装置还可以包括存储模块，所述存储模块用于与收发模块和处理模块耦合，其保存通信装置必要的计算机程序和数据。
作为示例，处理模块可以为处理器，收发模块可以为收发器或通信接口，存储模块可以为存储器。在一种实现方式中，所述通信装置包括：
第二收发模块，用于通过NEF向PCF发送AF会话创建请求消息，其中，所述AF会话创建请求消息中包括第一指示信息，所述第一指示信息用于指示所述AF会话创建请求消息所请求的AF会话所关联的PDU会话。
第三收发模块，用于接收AF发送的AF会话创建请求消息，其中，所述AF会话创建请求消息中包括第一指示信息，所述第一指示信息用于指示所述AF会话创建请求消息所请求的AF会话所关联的PDU会话；
授权模块，用于对所述AF会话创建请求消息进行授权，并将被授权的AF会话创建请求消息发送至所述PCF，以使所述PCF将所述AF会话与所述PDU会话关联。
第八方面，本申请实施例提供一种通信装置，该通信装置具有实现上述第一方面所述的方法中终端设备的部分或全部功能，比如通信装置的功能可具备本申请中的部分或全部实施例中的功能，也可以具备单独实施本申请中的任一个实施例的功能。所述功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的单元或模块。
在一种实现方式中，该通信装置的结构中可包括收发模块和处理模块，该处理模块被配置为支持通信装置执行上述方法中相应的功能。收发模块用于支持通信装置与其他设备之间的通信。所述通信装置还可以包括存储模块，所述存储模块用于与收发模块和处理模块耦合，其保存通信装置必要的计算机程序和数据。
作为示例，处理模块可以为处理器，收发模块可以为收发器或通信接口，存储模块可以为存储器。在一种实现方式中，所述通信装置包括：
规则更新模块，用于获取PCF发送的URSP规则表，其中，所述URSP规则表包括第二指示信息，所述第二指示信息用于指示对应的XRM业务；
业务获取模块，用于获取所请求的应用对应的XRM业务；
第四收发模块，如果所述所请求应用对应的XRM业务与所述第二指示信息对应的XRM业务一致，则通过所述XRM业务对应的PDU会话向AF发送应用请求消息。
第九方面，本申请实施例提供一种通信装置，该通信装置包括处理器，当该处理器调用存储器中的计算机程序时，执行上述第一方面所述的方法。
第十方面，本申请实施例提供一种通信装置，该通信装置包括处理器，当该处理器调用存储器中的计算机程序时，执行上述第二方面所述的方法。
第十一方面，本申请实施例提供一种通信装置，该通信装置包括处理器，当该处理器调用存储器中的计算机程序时，执行上述第三方面所述的方法。
第十二方面，本申请实施例提供一种通信装置，该通信装置包括处理器，当该处理器调用存储器中的计算机程序时，执行上述第四方面所述的方法。
第十三方面，本申请实施例提供一种通信装置，该通信装置包括处理器和存储器，该存储器中存储有计算机程序；所述处理器执行该存储器所存储的计算机程序，以使该通信装置执行上述第一方面所述的方法。
第十四方面，本申请实施例提供一种通信装置，该通信装置包括处理器和存储器，该存储器中存储有计算机程序；所述处理器执行该存储器所存储的计算机程序，以使该通信装置执行上述第二方面所述的方法。
第十五方面，本申请实施例提供一种通信装置，该通信装置包括处理器和存储器，该存储器中存储有计算机程序；所述处理器执行该存储器所存储的计算机程序，以使该通信装置执行上述第三方面所述的方法。
第十六方面，本申请实施例提供一种通信装置，该通信装置包括处理器和存储器，该存储器中存储有计算机程序；所述处理器执行该存储器所存储的计算机程序，以使该通信装置执行上述第四方面所述的方法。
第十七方面，本申请实施例提供一种通信装置，该装置包括处理器和接口电路，该接口电路用于接收代码指令并传输至该处理器，该处理器用于运行所述代码指令以使该装置执行上述第一方面所述的方法。
第十八方面，本申请实施例提供一种通信装置，该装置包括处理器和接口电路，该接口电路用于接收代码指令并传输至该处理器，该处理器用于运行所述代码指令以使该装置执行上述第二方面所述的方法。
第十九方面，本申请实施例提供一种通信装置，该装置包括处理器和接口电路，该接口电路用于接收代码指令并传输至该处理器，该处理器用于运行所述代码指令以使该装置执行上述第三方面所述的方法。
第二十方面，本申请实施例提供一种通信装置，该装置包括处理器和接口电路，该接口电路用于接收代码指令并传输至该处理器，该处理器用于运行所述代码指令以使该装置执行上述第四方面所述的方法。
第二十一方面，本申请实施例提供一种扩展现实业务策略实现系统，该系统包括第五方面、第六方面、第七方面或第八方面所述的通信装置，或者，该系统包括第九方面、第十方面、第十一方面或第十二方面所述的通信装置，或者，该系统包括第十三方面、第十四方面、第十五方面或第十六方面所述的通信装置，或者，该系统包括第十七方面、第十八方面、第十九方面或第二十方面所述的通信装置。
第二十二方面，本发明实施例提供一种计算机可读存储介质，用于储存为上述终端设备所用的指令，当所述指令被执行时，使所述终端设备执行上述第一方面所述的方法。
第二十三方面，本发明实施例提供一种可读存储介质，用于储存为上述网络侧设备所用的指令，当所述指令被执行时，使所述网络侧设备执行上述第二方面所述的方法。
第二十四方面，本发明实施例提供一种计算机可读存储介质，用于储存为上述终端设备所用的指令，当所述指令被执行时，使所述终端设备执行上述第三方面所述的方法。
第二十五方面，本发明实施例提供一种可读存储介质，用于储存为上述网络侧设备所用的指令，当所述指令被执行时，使所述网络侧设备执行上述第四方面所述的方法。
第二十六方面，本申请还提供一种包括计算机程序的计算机程序产品，当其在计算机上运行时，使得计算机执行上述第一方面所述的方法。
第二十七方面，本申请还提供一种包括计算机程序的计算机程序产品，当其在计算机上运行时，使得计算机执行上述第二方面所述的方法。
第二十八方面，本申请还提供一种包括计算机程序的计算机程序产品，当其在计算机上运行时，使得计算机执行上述第三方面所述的方法。
第二十九方面，本申请还提供一种包括计算机程序的计算机程序产品，当其在计算机上运行时，使得计算机执行上述第四方面所述的方法。
第三十方面，本申请提供一种芯片系统，该芯片系统包括至少一个处理器和接口，用于支持终端设备实现第一方面所涉及的功能，例如，确定或处理上述方法中所涉及的数据和信息中的至少一种。在一种可能的设计中，所述芯片系统还包括存储器，所述存储器，用于保存终端设备必要的计算机程序和数据。该芯片系统，可以由芯片构成，也可以包括芯片和其他分立器件。
第三十一方面，本申请提供一种芯片系统，该芯片系统包括至少一个处理器和接口，用于支持网络侧设备实现第二方面所涉及的功能，例如，确定或处理上述方法中所涉及的数据和信息中的至少一种。在一种可能的设计中，所述芯片系统还包括存储器，所述存储器，用于保存网络侧设备必要的计算机程序和数据。该芯片系统，可以由芯片构成，也可以包括芯片和其他分立器件。
第三十二方面，本申请提供一种芯片系统，该芯片系统包括至少一个处理器和接口，用于支持终端 设备实现第三方面所涉及的功能，例如，确定或处理上述方法中所涉及的数据和信息中的至少一种。在一种可能的设计中，所述芯片系统还包括存储器，所述存储器，用于保存终端设备必要的计算机程序和数据。该芯片系统，可以由芯片构成，也可以包括芯片和其他分立器件。
第三十三方面，本申请提供一种芯片系统，该芯片系统包括至少一个处理器和接口，用于支持网络侧设备实现第四方面所涉及的功能，例如，确定或处理上述方法中所涉及的数据和信息中的至少一种。在一种可能的设计中，所述芯片系统还包括存储器，所述存储器，用于保存网络侧设备必要的计算机程序和数据。该芯片系统，可以由芯片构成，也可以包括芯片和其他分立器件。
第三十四方面，本申请提供一种计算机程序，当其在计算机上运行时，使得计算机执行上述第一方面所述的方法。
第三十五方面，本申请提供一种计算机程序，当其在计算机上运行时，使得计算机执行上述第二方面所述的方法。
第三十六方面，本申请提供一种计算机程序，当其在计算机上运行时，使得计算机执行上述第三方面所述的方法。
第三十七方面，本申请提供一种计算机程序，当其在计算机上运行时，使得计算机执行上述第四方面所述的方法。
附图说明
为了更清楚地说明本申请实施例或背景技术中的技术方案，下面将对本申请实施例或背景技术中所需要使用的附图进行说明。
图1是本申请实施例提供的一种通信系统的架构示意图；
图2是本申请实施例提供的一种扩展现实业务策略实现方法的流程示意图；
图3是本申请实施例提供的一种扩展现实业务策略实现方法的流程示意图；
图4是本申请实施例提供的一种扩展现实业务策略实现方法的流程示意图；
图5是本申请实施例提供的一种扩展现实业务策略实现方法的流程示意图；
图6是本申请实施例提供的一种扩展现实业务策略实现方法的流程示意图；
图7是本申请实施例提供的一种扩展现实业务策略实现方法的流程示意图；
图8是本申请实施例提供的一种通信装置的结构示意图；
图9是本申请实施例提供的另一种通信装置的结构示意图；
图10是本申请实施例提供的一种芯片的结构示意图。
具体实施方式
为了便于理解，首先介绍本申请涉及的术语。
1、协议数据单元(Protocol Data Unit，PDU)会话：
PDU会话为终端设备与数据网络(Data Network，DN)之间的一个关联，用于提供一个PDU连接服务。在分层网络结构，例如在开放式系统互联模型中，在传输系统的每一层都将建立PDU。PDU包含来自上层的信息，以及当前层的实体附加的信息。然后，这个PDU被传送到下一较低的层。物理层实际以一种编帧的位流形式传输这些PDU，但是由协议栈的较高层建造这些PDU。接收系统自下而上传送这些分组通过协议栈，并在协议栈的每一层分离出PDU中的相关信息。每一层附加到PDU上的信息，是指定给另一个系统的同等层的，以在对等层进行通信会话协调的。通过从传输层段剥离报头，执行协议数据检测以确定作为传输层段的部分数据的协议段的数据，以及执行标志验证和剥离，从而处理数据段。还提供用于处理数据段的技术，其中接收到协议数据单元的报头部分。利用所接收的报头部分来确定将储存在应用空间中的数据的字节数。而且，利用所接收的报头部分来确定下一个协议数据单元的下一个报头部分。然后，发出窥视命令以获得下一个报头部分。另外提供用于利用所储存的部分循环冗余校验摘要和剩余数据来执行循环冗余校验的技术。
2、服务质量(Quality of Service，QoS)参数：
本申请实施例中的QoS参数包括如下参数中的一个或多个：
1)5G QoS标识(5G QoS identifier，5QI)
5QI是一个标量，用于索引到对应的5G QoS特征。5QI分为标准化的5QI、预配置的5QI和动态分配的5QI。对于标准化的5QI，与一组标准化的5G QoS特征值一一对应；对于预配置的5QI，对应 的5G QoS特征值预配置在接入网设备上，对于动态分配的5QI，对应的5GQoS特征由核心网设备通过QoS文件(QoS profile)发送给接入网设备。
2)分配和预留优先级(allocation and retention priority，ARP)
ARP包含优先等级、抢占能力和被抢占能力。
3)保证流比特率(guaranteed flow bit rate，GFBR)
GFBR代表期望提供给保证比特率(guaranteed bit rate，GBR)QoS流(flow)的比特率。
4)最大流比特率(maximum flow bit rate，MFBR)
MFBR限制提供给GBR QoS flow的比特率，即提供给GBR QoS flow的最大比特率。如超过该比特率时，数据包可以被丢弃。
5)反转QoS属性(reflective QoS attribute，RQA)
QA用于指示使用对应QoS流(flow)传输的业务使用反转QoS。
6)QNC
QNC用于指示接入网设备在QoS flow的使用期当GFBR不能满足时是否通知网络。
3、QoS模型：
在5G系统中，为了保证业务端到端的服务质量，提出了基于QoS流(flow)的5G QoS模型。所述5G QoS模型用于支持GBR QoS flow和非GBR(non-GBR)QoS flow。使用同一个QoS flow控制的数据包接收相同的传输处理(如调度、准入门限等)。
请参见图1，图1为本申请实施例提供的一种通信系统的架构示意图。该通信系统可包括但不限于一个网络侧设备和一个终端设备，图1所示的设备数量和形态仅用于举例并不构成对本申请实施例的限定，实际应用中可以包括两个或两个以上的网络侧设备，两个或两个以上的终端设备。图1所示的通信系统以包括一个网络侧设备101和一个终端设备102为例。
需要说明的是，本申请实施例的技术方案可以应用于各种通信系统。例如：长期演进(long term evolution，LTE)系统、第五代(5th generation，5G)移动通信系统、5G新空口(new radio，NR)系统，或者其他未来的新型移动通信系统等。还需要说明的是，本申请实施例中的侧链路还可以称为侧行链路或直通链路。
本申请实施例中的网络侧设备101是网络侧的一种用于发射或接收信号的实体。例如，网络侧设备101可以为演进型基站(evolved NodeB，eNB)、传输点(transmission reception point，TRP)、NR系统中的下一代基站(next generation NodeB，gNB)、其他未来移动通信系统中的基站或无线保真(wireless fidelity，WiFi)系统中的接入节点等。本申请的实施例对网络侧设备所采用的具体技术和具体设备形态不做限定。本申请实施例提供的网络侧设备可以是由集中单元(central unit，CU)与分布式单元(distributed unit，DU)组成的，其中，CU也可以称为控制单元(control unit)，采用CU-DU的结构可以将网络侧设备，例如基站的协议层拆分开，部分协议层的功能放在CU集中控制，剩下部分或全部协议层的功能分布在DU中，由CU集中控制DU。
本申请实施例中的终端设备102是用户侧的一种用于接收或发射信号的实体，如手机。终端设备也可以称为终端设备(terminal)、用户设备(user equipment，UE)、移动台(mobile station，MS)、移动终端设备(mobile terminal，MT)等。终端设备可以是具备通信功能的汽车、智能汽车、手机(mobile phone)、穿戴式设备、平板电脑(Pad)、带无线收发功能的电脑、虚拟现实(virtual reality，VR)终端设备、增强现实(augmented reality，AR)终端设备、工业控制(industrial control)中的无线终端设备、无人驾驶(self-driving)中的无线终端设备、远程手术(remote medical surgery)中的无线终端设备、智能电网(smart grid)中的无线终端设备、运输安全(transportation safety)中的无线终端设备、智慧城市(smart city)中的无线终端设备、智慧家庭(smart home)中的无线终端设备等等。本申请的实施例对终端设备所采用的具体技术和具体设备形态不做限定。
目前移动媒体类服务中AR/VR、云游戏、基于视频的机器或无人机远程控制等XRM业务，预计将为5G网络贡献越来越高的流量。XRM业务的数据流本身，各数据流之间，以及这些数据流对网络传输的需求，都存在一些共性特征。这些特性的有效识别和利用将更有助于网络和业务的传输、控制，也更有助于业务保障和用户体验。
XRM业务需要5GS系统综合考虑业务的相关数据流QoS特性，例如延迟关键delay critical GBR数据流，GFBR，(Packet Delay Budget，PDB)，Default Maximum Data Burst Volume(MDBV)等参数是否能同时满足并协同一致。涉及一个UE的多个XRM数据流，和多个UE的XRM数据流，彼此的QoS授权与执行的一致性保障。
因此，对于同一个UE的一个XRM业务的所有数据流使用同一个PDU会话，是现有架构和功能支持基础上最大程度地满足XRM数据流彼此的QoS授权与执行一致性的前提。
但目前5GS系统尚没有完善机制来保障UE的一个XRM业务的所有数据流都会使用且只使用一个PDU会话传输。
可以理解的是，本申请实施例描述的通信系统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，随着系统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。
下面结合附图对本申请所提供的扩展现实业务策略实现方法及其装置进行详细地介绍。
请参见图2，图2是本申请实施例提供的一种扩展现实业务策略实现方法的流程示意图。所述方法应用于PCF。如图2所示，该方法可以包括但不限于如下步骤：
步骤201，接收应用功能AF会话创建请求消息，其中，所述AF会话创建请求消息中的第一指示信息，所述第一指示信息用于指示所述AF会话创建请求消息所请求的AF会话所关联的分组数据单元PDU会话。
本申请实施例中，AF通过NEF向PCF发送AF会话创建请求消息来创建AF会话，PCF接收AF通过NEF发送的AF会话创建请求消息，所述AF会话创建请求消息中的第一指示信息与PDU会话对应的信息类型相同，用于确定AF会话对应的PDU会话。
步骤202，根据所述第一指示信息将所述AF会话与所述PDU会话进行关联。
本申请实施例中，PCF根据AF会话创建请求消息中的指示信息将AF会话和对应的PDU会话关联，以实现UE到AF的数据流传输。
通过接收AF会话创建请求消息进行授权确定AF会话，并根据第二指示信息获取与所述AF会话创建请求消息所请求的AF会话所关联的PDU会话，从而通过PCF将PDU会话与AF会话关联，从而使得对于同一个UE的一个XRM业务，该XRM业务的数据流均可使用同一个PDU会话，进而有利于提高会话中业务数据流的传输效率，避免通信资源浪费。
在一种可能的实施例中，所述根据所述第一指示信息将所述AF会话与所述PDU会话进行关联，包括：
根据所述第一指示信息更新所述PDU会话的策略信息，以将所述AF会话与所述PDU会话进行关联。
本申请实施例中，PCF根据AF会话创建请求消息中的第一指示信息更新PDU会话的策略信息，使PDU会话与AF会话的策略信息一致，以将所述AF会话与所述PDU会话进行关联。
在一种可能的实施例中，所述方法还包括：
发送用户设备路由选择策略URSP规则表至UE，其中，所述URSP规则表包括第二指示信息，所述第二指示信息用于指示对应的XRM业务。
本申请实施例中，通过核心网中的PCF为UE提供URSP规则表，以告知UE路由选择策略。所述URSP规则表中包含一个或多个路由选择描述符，每个路由选择描述符具有不同的路由选择描述符优先级。本申请为了支持XRM业务相关数据流的传输，在所述URSP规则表中新增了所述第一指示信息，所述第一指示信息用于指示对应的XRM业务。
UE注册到网络后，核心网会执行UE策略关联创建流程，在所述UE策略关联创建流程中，当接入和移动管理功能(Access and Mobility Management function，AMF)决定建立UE策略关联后，AMF与PCF交互，使PCF将包含UE策略信息的UE策略容器发送到UE，以进行UE配置的更新。本申请实施例中，所述UE策略容器包含所述URSP。
可选的，UE策略关联创建流程涉及漫游和非漫游的情况。在非漫游情况下，拜访网络策略控制功能(Visited Policy Control Function，V-PCF)不涉及所述流程，归属网络策略控制功能(Home Policy Control Function，H-PCF)的作用由PCF执行。在漫游的情况下，V-PCF与AMF交互，且H-PCF与V-PCF交互。
图6是本申请实施例提供的一种扩展现实业务策略实现方法的流程示意图，如图6所示，使PCF将包含UE策略信息的UE策略容器(包含UE的URSP策略)发送到UE的过程具体包括：
PCF决定更新所述UE策略后，检查是否订阅了AMF对UE策略信息更新的UE响应的通知。如果未订阅，则PCF将订阅AMF以接收有关UE策略信息更新的UE响应的通知。
步骤601.PCF发送Namf_Communication_N1N2MessageTransfer消息至AMF。该消息包括SUPI、UE策略容器。
步骤602.AMF根据UE的是否在3GPP网络和/或非3GPP网络中注册，AMF是否可以通过3GPP网络访问或非3GPP网络访问来访问所述UE等信息来决定是否将Namf_Communication_N1N2MessageTransfer消息中的UE策略容器发送给UE。
步骤603.交付UE策略，如果UE处于通过3GPP访问或非3GPP访问的连接管理连接状态(ConnectionManagement，CM-CONNECTED)中，AMF会将从PCF收到的UE策略容器以及其中的UE策略信息透传给UE。UE策略容器包括上述URSP列表。
步骤604.UE策略交付结果反馈，UE根据接收到的UE策略容器并获取其中的UE策略信息，以更新UE中的UE策略，并告知AMF所述UE策略的更新结果。
步骤605.AMF使用Namf_Communication_N1MessageNotify将UE的UE策略更新结果转发给PCF。
本申请实施例中，为了支持XRM业务的所有数据流使用同一个PDU会话传输，在URSP中新增XRM业务指示信息或应用描述信息中的至少一种来进行指示。所述XRM业务指示信息用于直接指示，如果所述请求应用对应的XRM业务与所述XRM业务指示信息一致，则通过所述XRM业务对应的PDU会话传输请求的应用对应的应用请求消息。所述应用描述信息用于间接告知UE要使用同一PDU会话传输的XRM业务。
URSP规则表如表1和表2所示，
Figure PCTCN2022091318-appb-000001
表1
在表1中，应用描述符(Application Descriptors)即为所述应用描述信息，可由URSP规则表中的应用描述符间接告知UE所述XRM业务指示信息，即使UE根据所述应用描述符指示XRM业务指示信息获取对应的XRM业务标识或XRM组标识。通过图6所示的流程将增加了所述应用描述符的USRP规则表下发给UE，更新UE策略。
Figure PCTCN2022091318-appb-000002
表2
在表2中，XRM指示即为新增的XRM业务指示信息，UE可根据所述XRM指示确定XRM业务标识或XRM组标识。通过图6所示的流程将增加了所述XRM业务指示信息的USRP规则表下发给UE， 更新UE策略。
在一种可能的实施例里，UE按规则优先顺序评估URSP规则表，确定应用程序是否匹配任何URSP规则的流量描述符。当确定URSP规则适用于给定应用(例如XRM服务)时，UE应在该URSP规则中按照路由选择描述符优先级的顺序选择路由选择描述符。当找到有效的路由选择描述符时，UE确定是否存在与所选路由选择描述符中的所有组件匹配的现有PDU会话。并将所选路由选择描述符的组件与现有的PDU会话进行比较。
在一种可能的实施例中，所述指第二指示信息包括以下至少一种：
XRM业务指示信息；
应用描述信息。
可选的，所述方法还包括：
通过UE配置更新流程发送URSP规则表至所述UE。
本申请实施例中，UE注册成功后，UE通过执行接入管理(Access Management，AM)会话关联选择所述PCF，所述PCF通过UE配置更新流程发URSP规则给UE。
可选的，所述方法还包括：
根据所述UE的能力信息、签约信息或运营商策略信息更新所述URSP规则表，并发送至所述UE。
在一种可能的实施例中，所述第一指示信息包括以下至少一种：
S-NSSAI和DNN；
Application ID，其中，所述Application ID与S-NSSAI和DNN对应。
在一种可能的实施例中，所述AF会话创建请求消息包括以下至少一项：
XRM业务标识；
XRM组标识；
UE的地址或标识；
AF标识；
数据流描述信息；
Qos参数。
在一种可能的实施例中，所述AF会话创建请求消息被NEF授权。
本申请实施例中，NEF为AF会话创建请求消息授权，PCF接收到为被授权的AF会话创建请求消息。
在一种可能的实施例中，所述方法还包括：
根据被NEF授权的所述AF会话创建请求消息生成策略决策反馈消息并发送至NEF。
本申请实施例中，所述NEF将被授权的AF会话创建请求消息发送至所述PCF后，PCF会进一步进行策略决策，决定根据AF会话创建请求消息中特定的第一指示信息更新PDU会话使用的策略信息。PCF根据策略决策反馈消息通知所述AF策略决策的结果。
在一种可能的实施例中，所述策略信息包括策略与计费控制(Policy and Charging Control,PCC)规则和/或Qos策略。
PCF为PCC规则或Qos策略分配QoS参数，并将所述PCC规则和/或Qos策略提供给会话管理功能(Session Management Function，SMF)，使所述SMF根据网络情况和PCC规则和/或Qos策略进行Qos的升级或降级。其中，所述QoS参数来源于所述AF会话创建请求消息。
请参见图3，图3是本申请实施例提供的一种扩展现实业务策略实现方法的流程示意图。所述方法应用于AF。如图3所示，该方法可以包括但不限于如下步骤：
步骤301，通过NEF向PCF发送AF会话创建请求消息，其中，所述AF会话创建请求消息中包括第一指示信息，所述第一指示信息用于指示所述AF会话创建请求消息所请求的AF会话所关联的PDU会话。
本申请实施例中，AF通过NEF向PCF发送AF会话创建请求消息来创建AF会话，所述AF会话创建请求消息中的第一指示信息与PDU会话对应的信息类型相同，用于确定对应的PDU会话，并将AF会话和对应的PDU会话关联，以实现UE到AF的数据流传输。
通过NEF向PCF发送AF会话创建请求消息以创建AF会话，并根据第二指示信息获取与所述AF会话创建请求消息所请求的AF会话所关联的PDU会话，从而通过PCF将PDU会话与AF会话关联，从而使得对于同一个UE的一个XRM业务，该XRM业务的数据流均可使用同一个PDU会话，进而有利于提高会话中业务数据流的传输效率，避免通信资源浪费。
在一种可能的实施例中，所述方法还包括：
通过所述NEF接收所述PCF发送的AF会话创建反馈消息。
在一种可能的实施例中，所述方法还包括：
接收UE通过所述PDU会话发送的应用请求消息，其中，所述应用请求消息包括所述PDU会话对应的信息，其中，所述PDU会话对应的信息为所述第一指示信息。
本申请实施例中，AF接收UE通过PDU会话发送的应用请求消息，以获取PDU会话对应的信息，以获取所述AF会话创建请求消息中的第一指示信息，所述AF会话创建请求消息中的第一指示信息即为所述PDU会话对应的信息。
在一种可能的实施例中，所述AF会话创建请求消息还包括以下至少一项：
XRM业务标识；
XRM组标识。
本申请实施例中，根据所述XRM业务标识可以识别XRM业务对应的数据流，根据XRM组标识可以识别XRM业务组中所有的数据流。以使XRM业务对应的数据流使用同一个PDU来进行传输。
在一种可能的实施例中，所述第一指示信息包括以下至少一种：
S-NSSAI和DNN；
Application ID，其中，所述Application ID与S-NSSAI和DNN对应。
本申请实施例中，AF会话创建请求消息中的第一指示信息与PDU会话对应的信息一致。Application ID可以映射为S-NSSAI和DNN。
可选的，通过Application ID携带所述XRM业务标识。
在一种可能的实施例中，所述AF会话创建请求消息还包括以下至少一项：
UE的地址或标识；
AF标识；
数据流描述信息；
服务质量Qos参数。
AF会话创建请求消息还包括UE的地址(UEaddress)，UE的标识(UEIdentifier)，AF标识(AF Identifier)，数据流描述信息(Flow description)，Qos参数。
请参见图4，图4是本申请实施例提供的一种扩展现实业务策略实现方法的流程示意图。所述方法应用于NEF。如图4所示，该方法可以包括但不限于如下步骤：
步骤401，接收AF发送的AF会话创建请求消息，其中，所述AF会话创建请求消息中包括第一指示信息，所述第一指示信息用于指示所述AF会话创建请求消息所请求的AF会话所关联的PDU会话。
本申请实施例中，NEF接收AF发送的AF会话创建请求消息，所述AF会话创建请求消息中的第一指示信息与PDU会话对应的信息类型相同，用于确定对应的PDU会话，并将AF会话和对应的PDU会话关联，以实现UE到AF的数据流传输。
步骤402，对所述AF会话创建请求消息进行授权，并将被授权的AF会话创建请求消息发送至所述PCF，以使所述PCF将所述AF会话与所述PDU会话关联。
本申请实施例中，NEF对所述AF会话创建请求消息进行授权，保留被授权的AF会话创建请求消息对应的AF会话，并删除未被授权的AF会话创建请求消息对应的AF会话。将被授权的AF会话创建请求消息发送至所述PCF，以使所述PCF将被授权的AF会话创建请求消息对应的AF会话与所述PDU会话关联，实现UE到AF的数据流传输。
通过对AF会话创建请求消息进行授权确定AF会话，并根据第二指示信息获取与所述AF会话创建请求消息所请求的AF会话所关联的PDU会话，从而通过PCF将PDU会话与AF会话关联，从而使得对于同一个UE的一个XRM业务，该XRM业务的数据流均可使用同一个PDU会话，进而有利于提高会话中业务数据流的传输效率，避免通信资源浪费。
在一种可能的实施例中，所述方法还包括：
向所述AF发送AF会话创建反馈消息，以通知所述AF会话创建请求消息的授权结果。
本申请实施例中，NEF根据AF会话创建请求消息授权的结果生成AF会话创建反馈消息，向AF发送AF会话创建反馈消息以通知AF授权结果。
在一种可能的实施例中，所述方法还包括：
接收所述PCF发送的策略决策反馈消息，并向所述AF反馈。
本申请实施例中，所述NEF将被授权的AF会话创建请求消息发送至所述PCF后，PCF会进一步进行策略决策，决定根据AF会话创建请求消息中特定的第二指示信息更新PDU会话使用的策略信息。PCF根据策略决策反馈消息通知所述AF策略决策的结果。
一种可能的实施例中，所述第一指示信息包括以下至少一种：
S-NSSAI和DNN；
Application ID，其中，所述Application ID与S-NSSAI和DNN对应。
在一种可能的实施例中，所述AF会话创建请求消息包括以下至少一项：
XRM业务标识；
XRM组标识；
UE的地址或标识；
AF标识；
数据流描述信息；
Qos参数。
在一种可能的实施例中，所述方法还包括：
根据所述AF标识或Qos参数创建时敏通信时同步功能(Time Sensitive Communication and Time Synchronization Function，TSCTSF)与所述PCF进行通信。
本申请实施例中，NEF可以根据AF会话创建请求消息中的AF标识或Qos参数决定调用TSCTSF与所述PCF进行通信，将所述被授权的AF会话创建请求消息发送至所述PCF，以使所述PCF将所述AF会话与所述PDU会话关联。
请参见图5，图5是本申请实施例提供的一种扩展现实业务策略实现方法的流程示意图。所述方法应用于UE。如图5所示，该方法可以包括但不限于如下步骤：
步骤501：获取PCF发送的URSP规则表，其中，所述URSP规则表包括第二指示信息，所述第二指示信息用于指示对应的XRM业务。
本申请实施例中，通过核心网中的PCF为UE提供URSP规则表，以告知UE路由选择策略。所述URSP规则表中包含一个或多个路由选择描述符，每个路由选择描述符具有不同的路由选择描述符优先级。本申请为了支持XRM业务相关数据流的传输，在所述URSP规则表中新增了所述第二指示信息，所述第二指示信息用于指示对应的XRM业务。
步骤502：获取所请求的应用对应的XRM业务。
本申请实施例中，UE向AF发起应用相关请求时，获取应用对应的XRM业务以判断是否符合URSP中的规则。
步骤503：如果所述所请求应用对应的XRM业务与所述第二指示信息对应的XRM业务一致，则通过所述XRM业务对应的分组数据单元PDU会话向应用功能AF发送应用请求消息。
本申请实施例中，如果所述请求应用对应的XRM业务与所述第二指示信息对应的XRM业务一致，说明所述请求应用对应的XRM业务可以按照URSP中的规则来进行路由的选择。通过所述XRM业务对应的PDU会话向AF发送应用请求消息，这样实现了UE中一个XRM业务的所有数据流都使用一个PDU会话传输。
通过请求应用对应的XRM业务和URSP规则表中的第二指示信息确定传输应用请求消息对应的PDU会话，根据已有PDU会话向应用功能AF发送应用请求消息，以使AF创建与所述PDU会话关联的AF会话，从而使得对于同一个UE的一个XRM业务，该XRM业务的数据流均可使用同一个PDU会话，进而有利于提高XRM业务的传输效率，避免通信资源浪费。
在一种可能的实施例中，所述第二指示信息包括以下至少一种：
XRM业务指示信息；
应用描述信息。
本申请实施例中，为了支持XRM业务的所有数据流使用同一个PDU会话传输，在URSP中新增XRM业务指示信息或应用描述信息中的至少一种来进行指示。所述XRM业务指示信息用于直接指示，如果所述请求应用对应的XRM业务与所述XRM业务指示信息一致，则通过所述XRM业务对应的PDU会话传输请求的应用对应的应用请求消息。所述应用描述信息用于间接告知UE要使用同一PDU会话传输的XRM业务。
URSP规则表如表1和表2所示，在表1中，应用描述符(Application Descriptors)即为所述应用描述信息，可由URSP规则表中的应用描述符间接告知UE所述XRM业务指示信息，即UE根据所述 指示XRM业务指示信息获取对应的XRM业务标识或XRM组标识。
在表2中，XRM指示即为新增的XRM业务指示信息，UE可根据所述XRM指示确定XRM业务标识或XRM组标识。
在一种可能的实施例里，UE按规则优先顺序评估URSP规则表，确定应用程序是否匹配任何URSP规则的流量描述符。当确定URSP规则适用于给定应用(例如XRM服务)时，UE应在该URSP规则中按照路由选择描述符优先级的顺序选择路由选择描述符。当找到有效的路由选择描述符时，UE确定是否存在与所选路由选择描述符中的所有组件匹配的现有PDU会话。并将所选路由选择描述符的组件与现有的PDU会话进行比较。
在一种可能的实施例中，所述应用请求消息包括所述PDU会话对应的信息，以使所述PCF将AF创建的AF会话关联到所述PDU会话。
本申请实施例中，PDU会话为UE到PCF之间的会话，AF会话为PCF与AF之间的会话，为了进行UE与AF之间的数据传输，需要将AF会话与所述PDU会话关联，以建立UE到AF的传输通道。通过所述应用请求消息中所述PDU会话对应的信息来确定对应的PDU，以将PDU与AF创建的AF会话关联。
在一种可能的实施例中，所述PDU会话对应的信息包括以下至少一种：
网络切片选择支持信息S-NSSAI和数据网络名DNN；
应用功能标识Application ID，其中，所述Application ID与S-NSSAI和DNN对应。
本申请实施例通过S-NSSAI和DNN确定对应的PDU会话。或通过Application ID确定对应的PDU会话，Application ID可以映射为S-NSSAI和DNN。
在一种可能的实施例中，所述应用请求消息中包括XRM业务标识或XRM组标识。
本申请实施例中，应用请求消息中的XRM业务标识或XRM组标识表示请求应用对应的XRM业务，通过判断所述应用请求消息中的XRM业务标识或XRM组标识是否与URSP中的第二指示信息对应的XRM一致，来判断是否通过XRM业务对应的PDU会话来向AF发送应用请求消息。
图7是本申请实施例提供的一种扩展现实业务策略实现方法的流程示意图，如图7所示，流程如下：
步骤701.AF通过Nnef_AFsessionWithQoS_Create request消息，即所述AF会话创建请求消息，创建AF会话。AF在请求消息中携带XRM业务标识或XRM组标识，DNN,S-NSSAI,以及UE的地址或标识，AF标识Identifier，ApplicationID,数据流描述信息Flow description(s),QoS参数等信息。可选地，XRM组标识中包含GroupID，可用于识别XRM业务组中的所有数据流。可选地，这里XRM业务标识，标识该flow为XRMservice。可选的，也可通过ApplicationID隐式携带XRM业务标识。
可选的，请求消息里的S-NSSAI和DNN可由UE发送到AF的应用请求消息中携带的S-NSSAI和DNN得到。或者由UE发送到AF的应用请求消息中携带的外部ApplicationID映射得到S-NSSAI和DNN。
步骤702.NEF对Nnef_AFsessionWithQoS_Create request消息进行授权，确定是否使用Nnef_AFsessionWithQoS_Create request对应的AF会话。
可选地，NEF执行相关映射，将ApplicationID映射为DNN和S-NSSAI；或者，执行外部到内部的XRM业务组标识的映射。
步骤703.NEF对Nnef_AFsessionWithQoS_Create request进行授权后，根据AF提供的信息(如QoS参数，AF标识)决定是调用TSCTSF还是直接联系PCF。以建立具有所需QoS过程的AF会话。PCF从NEF或TSCTSF接收AF提供的XRM业务标识或XRM组标识，DNN,S-NSSAI,以及UE的地址或标识，AF标识Identifier，ApplicationID,数据流描述信息Flow description(s),QoS参数等信息。
NEF触发Npcf_PolicyAuthorization_Create消息，将授权的Npcf_PolicyAuthorization_Create消息发送给PCF，携带如上XRM业务相关信息和QoS信息，供PCF进行策略决策。
步骤704.执行策略决策和授权，即基于Npcf_PolicyAuthorization_Create消息中收到的S-NSSAI和DNN，为该XRM业务对应的数据流生成PCC规则和QoS授权。PCF基于NEF请求生成或更新PCC规则。并触发Npcf_SMPolicyControl_UpdateNotify，以根据Nnef_AFsessionWithQoS_Create request相关的PCC规则和QoS策略更新SMF中相应PDU会话的策略信息。
步骤705.PCF发送Npcf_PolicyAuthorization_Createresponse消息给NEF，以告知策略决策的结果。
步骤706.NEF发送Nnef_AFsessionWithQoS_Createresponse消息给AF,以告知AF授权结果，即Nnef_AFsessionWithQoS_Create request消息是否被授权。
步骤707.SMF使用在步骤4中收到的PCC规则和QoS参数确定QoS流的授权QoS并启动网 络请求的PDU会话修改过程。提供更新的QoS属性作为用户平面策略和XRM服务组信息流向下一代无线接入网(Next GenerationRadio Area Network，NG-RAN)的相关流量。
上述本申请提供的实施例中，分别从网络侧设备、终端设备的角度对本申请实施例提供的方法进行了介绍。为了实现上述本申请实施例提供的方法中的各功能，网络侧设备和终端设备可以包括硬件结构、软件模块，以硬件结构、软件模块、或硬件结构加软件模块的形式来实现上述各功能。上述各功能中的某个功能可以以硬件结构、软件模块、或者硬件结构加软件模块的方式来执行。
请参见图8，为本申请实施例提供的一种通信装置80的结构示意图。图8所示的通信装置80可包括收发模块801和处理模块802。收发模块801可包括发送模块和/或接收模块，发送模块用于实现发送功能，接收模块用于实现接收功能，收发模块801可以实现发送功能和/或接收功能。
通信装置80可以是终端设备(如前述方法实施例中的终端设备)，也可以是终端设备中的装置，还可以是能够与终端设备匹配使用的装置。或者，通信装置80可以是网络侧设备，也可以是网络侧设备中的装置，还可以是能够与网络侧设备匹配使用的装置。
通信装置80为PCF设备，包括：
第一收发模块，用于接收应用功能AF会话创建请求消息，其中，所述AF会话创建请求消息中的第一指示信息，所述第一指示信息用于指示所述AF会话创建请求消息所请求的AF会话所关联的分组数据单元PDU会话；
会话关联模块，用于根据所述第一指示信息将所述AF会话与所述PDU会话进行关联。
通信装置80为AF设备，包括：
第二收发模块，用于通过NEF向PCF发送AF会话创建请求消息，其中，所述AF会话创建请求消息中包括第一指示信息，所述第一指示信息用于指示所述AF会话创建请求消息所请求的AF会话所关联的PDU会话。
通信装置80为NEF设备，包括：
第三收发模块，用于接收AF发送的AF会话创建请求消息，其中，所述AF会话创建请求消息中包括第一指示信息，所述第一指示信息用于指示所述AF会话创建请求消息所请求的AF会话所关联的PDU会话；
授权模块，用于对所述AF会话创建请求消息进行授权，并将被授权的AF会话创建请求消息发送至所述PCF，以使所述PCF将所述AF会话与所述PDU会话关联。
通信装置80为UE设备，包括：
规则更新模块，用于获取PCF发送的URSP规则表，其中，所述URSP规则表包括第二指示信息，所述第二指示信息用于指示对应的XRM业务；
业务获取模块，用于获取所请求的应用对应的XRM业务；
第四收发模块，如果所述所请求应用对应的XRM业务与所述第二指示信息对应的XRM业务一致，则通过所述XRM业务对应的PDU会话向AF发送应用请求消息。
请参见图9，图9是本申请实施例提供的另一种通信装置90的结构示意图。通信装置90可以是网络侧设备，也可以是终端设备(如前述方法实施例中的终端设备)，也可以是支持网络侧设备实现上述方法的芯片、芯片系统、或处理器等，还可以是支持终端设备实现上述方法的芯片、芯片系统、或处理器等。该装置可用于实现上述方法实施例中描述的方法，具体可以参见上述方法实施例中的说明。
通信装置90可以包括一个或多个处理器901。处理器901可以是通用处理器或者专用处理器等。例如可以是基带处理器或中央处理器。基带处理器可以用于对通信协议以及通信数据进行处理，中央处理器可以用于对通信装置(如，基站、基带芯片，终端设备、终端设备芯片，DU或CU等)进行控制，执行计算机程序，处理计算机程序的数据。
可选的，通信装置90中还可以包括一个或多个存储器902，其上可以存有计算机程序903，处理器901执行所述计算机程序903，以使得通信装置90执行上述方法实施例中描述的方法。可选的，所述存储器902中还可以存储有数据。通信装置90和存储器902可以单独设置，也可以集成在一起。
可选的，通信装置90还可以包括收发器904、天线905。收发器904可以称为收发单元、收发机、或收发电路等，用于实现收发功能。收发器904可以包括接收器和发送器，接收器可以称为接收机或接收电路等，用于实现接收功能；发送器可以称为发送机或发送电路等，用于实现发送功能。
可选的，通信装置90中还可以包括一个或多个接口电路906。接口电路906用于接收代码指令并传输至处理器901。处理器901运行所述代码指令以使通信装置90执行上述方法实施例中描述的方法。
通信装置90为终端设备或为网络侧设备。
在一种实现方式中，处理器901中可以包括用于实现接收和发送功能的收发器。例如该收发器可以是收发电路，或者是接口，或者是接口电路。用于实现接收和发送功能的收发电路、接口或接口电路可以是分开的，也可以集成在一起。上述收发电路、接口或接口电路可以用于代码/数据的读写，或者，上述收发电路、接口或接口电路可以用于信号的传输或传递。
在一种实现方式中，处理器901可以存有计算机程序903，计算机程序903在处理器901上运行，可使得通信装置90执行上述方法实施例中描述的方法。计算机程序903可能固化在处理器901中，该种情况下，处理器901可能由硬件实现。
在一种实现方式中，通信装置90可以包括电路，所述电路可以实现前述方法实施例中发送或接收或者通信的功能。本申请中描述的处理器和收发器可实现在集成电路(integrated circuit，IC)、模拟IC、射频集成电路RFIC、混合信号IC、专用集成电路(application specific integrated circuit，ASIC)、印刷电路板(printed circuit board，PCB)、电子设备等上。该处理器和收发器也可以用各种IC工艺技术来制造，例如互补金属氧化物半导体(complementary metal oxide semiconductor，CMOS)、N型金属氧化物半导体(nMetal-oxide-semiconductor，NMOS)、P型金属氧化物半导体(positive channel metal oxide semiconductor，PMOS)、双极结型晶体管(bipolar junction transistor，BJT)、双极CMOS(BiCMOS)、硅锗(SiGe)、砷化镓(GaAs)等。
以上实施例描述中的通信装置可以是网络侧设备或者终端设备(如前述方法实施例中的终端设备)，但本申请中描述的通信装置的范围并不限于此，而且通信装置的结构可以不受图9的限制。通信装置可以是独立的设备或者可以是较大设备的一部分。例如所述通信装置可以是：
(1)独立的集成电路IC，或芯片，或，芯片系统或子系统；
(2)具有一个或多个IC的集合，可选的，该IC集合也可以包括用于存储数据，计算机程序的存储部件；
(3)ASIC，例如调制解调器(Modem)；
(4)可嵌入在其他设备内的模块；
(5)接收机、终端设备、智能终端设备、蜂窝电话、无线设备、手持机、移动单元、车载设备、网络侧设备、云设备、人工智能设备等等；
(6)其他等等。
对于通信装置可以是芯片或芯片系统的情况，可参见图10所示的芯片的结构示意图。图10所示的芯片包括处理器1001和接口1002。其中，处理器1001的数量可以是一个或多个，接口1002的数量可以是多个。
可选的，芯片还包括存储器1003，存储器1003用于存储必要的计算机程序和数据。
本领域技术人员还可以了解到本申请实施例列出的各种说明性逻辑块(illustrative logical block)和步骤(step)可以通过电子硬件、电脑软件，或两者的结合进行实现。这样的功能是通过硬件还是软件来实现取决于特定的应用和整个系统的设计要求。本领域技术人员可以对于每种特定的应用，可以使用各种方法实现所述的功能，但这种实现不应被理解为超出本申请实施例保护的范围。
本申请实施例还提供一种扩展现实业务策略实现系统，该系统包括前述图6实施例中作为终端设备(如前述方法实施例中的终端设备)的通信装置和作为网络侧设备的通信装置，或者，该系统包括前述图9实施例中作为终端设备(如前述方法实施例中的终端设备)的通信装置和作为网络侧设备的通信装置。
本申请还提供一种可读存储介质，其上存储有指令，该指令被计算机执行时实现上述任一方法实施例的功能。
本申请还提供一种计算机程序产品，该计算机程序产品被计算机执行时实现上述任一方法实施例的功能。
在上述实施例中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机程序。在计算机上加载和执行所述计算机程序时，全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机程序可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，所述计算机程序可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line，DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用 介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质(例如，软盘、硬盘、磁带)、光介质(例如，高密度数字视频光盘(digital video disc，DVD))、或者半导体介质(例如，固态硬盘(solid state disk，SSD))等。
本领域普通技术人员可以理解：本申请中涉及的第一、第二等各种数字编号仅为描述方便进行的区分，并不用来限制本申请实施例的范围，也表示先后顺序。
本申请中的至少一个还可以描述为一个或多个，多个可以是两个、三个、四个或者更多个，本申请不做限制。在本申请实施例中，对于一种技术特征，通过“第一”、“第二”、“第三”、“A”、“B”、“C”和“D”等区分该种技术特征中的技术特征，该“第一”、“第二”、“第三”、“A”、“B”、“C”和“D”描述的技术特征间无先后顺序或者大小顺序。
本申请中各表所示的对应关系可以被配置，也可以是预定义的。各表中的信息的取值仅仅是举例，可以配置为其他值，本申请并不限定。在配置信息与各参数的对应关系时，并不一定要求必须配置各表中示意出的所有对应关系。例如，本申请中的表格中，某些行示出的对应关系也可以不配置。又例如，可以基于上述表格做适当的变形调整，例如，拆分，合并等等。上述各表中标题示出参数的名称也可以采用通信装置可理解的其他名称，其参数的取值或表示方式也可以通信装置可理解的其他取值或表示方式。上述各表在实现时，也可以采用其他的数据结构，例如可以采用数组、队列、容器、栈、线性表、指针、链表、树、图、结构体、类、堆、散列表或哈希表等。
本申请中的预定义可以理解为定义、预先定义、存储、预存储、预协商、预配置、固化、或预烧制。
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。
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以所述权利要求的保护范围为准。

Claims (35)

  1. 一种扩展现实业务策略实现方法，其特征在于，应用于策略控制功能PCF，所述方法包括：
    接收应用功能AF会话创建请求消息，其中，所述AF会话创建请求消息中的第一指示信息，所述第一指示信息用于指示所述AF会话创建请求消息所请求的AF会话所关联的分组数据单元PDU会话；
    根据所述第一指示信息将所述AF会话与所述PDU会话进行关联。
  2. 如权利要求1所述的方法，其特征在于，所述根据所述第一指示信息将所述AF会话与所述PDU会话进行关联，包括：
    根据所述第一指示信息更新所述PDU会话的策略信息，以将所述AF会话与所述PDU会话进行关联。
  3. 如权利要求1所述的方法，其特征在于，所述方法还包括：
    发送用户设备路由选择策略URSP规则表至用户设备UE，其中，所述URSP规则表包括第二指示信息，所述第二指示信息用于指示对应的XRM业务。
  4. 如权利要求3所述的方法，其特征在于，其中，所述第二指示信息包括以下至少一种：
    扩展现实媒体XRM业务指示信息；
    应用描述信息。
  5. 如权利要求3所述的方法，其特征在于，其中，所述方法还包括：
    通过UE配置更新流程发送URSP规则表至所述UE。
  6. 如权利要求5所述的方法，其特征在于，其中，所述方法还包括：
    根据所述UE的能力信息、签约信息或运营商策略信息更新所述URSP规则表，并发送至所述UE。
  7. 如权利要求1所述的方法，其特征在于，其中，所述第一指示信息包括以下至少一种：
    网络切片选择支持信息S-NSSAI和数据网络名DNN；
    应用功能标识Application ID，其中，所述Application ID与S-NSSAI和DNN对应。
  8. 如权利要1所述的方法，其特征在于，所述AF会话创建请求消息包括以下至少一项：
    XRM业务标识；
    XRM组标识；
    UE的地址或标识；
    AF标识；
    数据流描述信息；
    服务质量Qos参数。
  9. 如权利要求1所述的方法，其特征在于，所述AF会话创建请求消息被网络能力开放功能NEF授权。
  10. 如权利要9所述的方法，其特征在于，所述方法还包括：
    根据被NEF授权的所述AF会话创建请求消息生成策略决策反馈消息并发送至NEF。
  11. 如权利要求2所述的方法，其特征在于，所述策略信息包括策略与计费控制PCC规则和/或Qos策略。
  12. 一种扩展现实业务策略实现方法，其特征在于，应用于AF，所述方法包括：
    通过NEF向PCF发送AF会话创建请求消息，其中，所述AF会话创建请求消息中包括第一指示信息，所述第一指示信息用于指示所述AF会话创建请求消息所请求的AF会话所关联的PDU会话。
  13. 如权利要求12所述的方法，其特征在于，所述方法还包括：
    通过所述NEF接收所述PCF发送的AF会话创建反馈消息。
  14. 如权利要求12所述的方法，其特征在于，还包括：
    接收UE通过所述PDU会话发送的应用请求消息，其中，所述应用请求消息包括所述PDU会话对应的信息，其中，所述PDU会话对应的信息为所述第一指示信息。
  15. 如权利要求12所述的方法，其特征在于，所述AF会话创建请求消息还包括以下至少一项：
    XRM业务标识；
    XRM组标识。
  16. 如权利要求14所述的方法，其特征在于，所述第一指示信息包括以下至少一种：
    S-NSSAI和DNN；
    Application ID，其中，所述Application ID与S-NSSAI和DNN对应。
  17. 如权利要12所述的方法，其特征在于，所述AF会话创建请求消息还包括以下至少一项：
    UE的地址或标识；
    AF标识；
    数据流描述信息；
    Qos参数。
  18. 一种扩展现实业务策略实现方法，其特征在于，应用于NEF，所述方法包括：
    接收AF发送的AF会话创建请求消息，其中，所述AF会话创建请求消息中包括第一指示信息，所述第一指示信息用于指示所述AF会话创建请求消息所请求的AF会话所关联的PDU会话；
    对所述AF会话创建请求消息进行授权，并将被授权的AF会话创建请求消息发送至所述PCF，以使所述PCF将所述AF会话与所述PDU会话关联。
  19. 如权利要18所述的方法，其特征在于，所述方法还包括：
    向所述AF发送AF会话创建反馈消息，以通知所述AF会话创建请求消息的授权结果。
  20. 如权利要18所述的方法，其特征在于，所述方法还包括：
    接收所述PCF发送的策略决策反馈消息，并向所述AF反馈。
  21. 如权利要求18所述的方法，其特征在于，其中，所述第一指示信息包括以下至少一种：
    S-NSSAI和DNN；
    Application ID，其中，所述Application ID与S-NSSAI和DNN对应。
  22. 如权利要18所述的方法，其特征在于，所述AF会话创建请求消息包括以下至少一项：
    XRM业务标识；
    XRM组标识；
    UE的地址或标识；
    AF标识；
    数据流描述信息；
    Qos参数。
  23. 如权利要22所述的方法，其特征在于，所述方法还包括：
    根据所述AF标识或Qos参数创建时敏通信时同步功能TSCTSF与所述PCF进行通信。
  24. 一种扩展现实业务策略实现方法，其特征在于，所述方法由UE执行，所述方法包括：
    获取PCF发送的URSP规则表，其中，所述URSP规则表包括第二指示信息，所述第二指示信息用于指示对应的XRM业务；
    获取所请求的应用对应的XRM业务；
    如果所述所请求应用对应的XRM业务与所述第二指示信息对应的XRM业务一致，则通过所述XRM业务对应的PDU会话向AF发送应用请求消息。
  25. 如权利要求24所述的方法，其特征在于，其中，所述第二指示信息包括以下至少一种：
    XRM业务指示信息；
    应用描述信息。
  26. 如权利要求24所述的方法，其特征在于，其中，所述应用请求消息包括所述PDU会话对应的信息，以使所述PCF将AF创建的AF会话关联到所述PDU会话。
  27. 如权利要求26所述的方法，其特征在于，所述PDU会话对应的信息包括以下至少一种：
    S-NSSAI和DNN；
    Application ID，其中，所述Application ID与S-NSSAI和DNN对应。
  28. 如权利要求24所述的方法，其特征在于，所述应用请求消息中包括XRM业务标识或XRM组标识。
  29. 一种扩展现实业务策略实现装置，其特征在于，所述装置用于PCF，所述装置包括：
    第一收发模块，用于接收应用功能AF会话创建请求消息，其中，所述AF会话创建请求消息中的第一指示信息，所述第一指示信息用于指示所述AF会话创建请求消息所请求的AF会话所关联的分组数据单元PDU会话；
    会话关联模块，用于根据所述第一指示信息将所述AF会话与所述PDU会话进行关联。
  30. 一种扩展现实业务策略实现装置，其特征在于，所述装置用于AF，所述装置包括：
    第二收发模块，用于通过NEF向PCF发送AF会话创建请求消息，其中，所述AF会话创建请求消息中包括第一指示信息，所述第一指示信息用于指示所述AF会话创建请求消息所请求的AF会话所 关联的PDU会话。
  31. 一种扩展现实业务策略实现装置，其特征在于，所述装置用于NEF，所述装置包括：
    第三收发模块，用于接收AF发送的AF会话创建请求消息，其中，所述AF会话创建请求消息中包括第一指示信息，所述第一指示信息用于指示所述AF会话创建请求消息所请求的AF会话所关联的PDU会话；
    授权模块，用于对所述AF会话创建请求消息进行授权，并将被授权的AF会话创建请求消息发送至所述PCF，以使所述PCF将所述AF会话与所述PDU会话关联。
  32. 一种扩展现实业务策略实现装置，其特征在于，所述装置用于UE，所述装置包括：
    规则更新模块，用于获取PCF发送的URSP规则表，其中，所述URSP规则表包括第二指示信息，所述第二指示信息用于指示对应的XRM业务；
    业务获取模块，用于获取所请求的应用对应的XRM业务；
    第四收发模块，如果所述所请求应用对应的XRM业务与所述第二指示信息对应的XRM业务一致，则通过所述XRM业务对应的PDU会话向AF发送应用请求消息。
  33. 一种通信装置，其特征在于，所述装置包括处理器和存储器，所述存储器中存储有计算机程序，所述处理器执行所述存储器中存储的计算机程序，以使所述装置执行如权利要求1-11、权利要求12-17、权利要求18-23、权利要求24-28之中任一项所述的方法。
  34. 一种通信装置，其特征在于，包括：处理器和接口电路；
    所述接口电路，用于接收代码指令并传输至所述处理器；
    所述处理器，用于运行所述代码指令以执行如权利要求1-11、权利要求12-17、权利要求18-23、权利要求24-28之中任一项所述的方法。
  35. 一种计算机可读存储介质，用于存储有指令，当所述指令被执行时，使如权利要求1-11、权利要求12-17、权利要求18-23、权利要求24-28之中任一项所述的方法被实现。
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