WO2023016243A1 - Procédé et appareil de transmission de service - Google Patents

Procédé et appareil de transmission de service Download PDF

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Publication number
WO2023016243A1
WO2023016243A1 PCT/CN2022/107868 CN2022107868W WO2023016243A1 WO 2023016243 A1 WO2023016243 A1 WO 2023016243A1 CN 2022107868 W CN2022107868 W CN 2022107868W WO 2023016243 A1 WO2023016243 A1 WO 2023016243A1
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information
qos
terminal
network element
estimated
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PCT/CN2022/107868
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English (en)
Chinese (zh)
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宗在峰
吴亮
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华为技术有限公司
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Publication of WO2023016243A1 publication Critical patent/WO2023016243A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition

Definitions

  • the present application relates to the communication field, and more particularly, to a method and device for transmitting services.
  • the service data sent by the application function network element to the terminal needs to be distributed and processed by the network side before reaching the terminal.
  • the network side can carry the data transmission of a large amount of services at the same time, and the network resources are constantly changing as the service transmission starts or ends. Therefore, how to reduce the impact of network resource changes on service transmission has become an urgent problem to be solved.
  • the present application provides a method and device for transmitting services, which can realize the prediction of the available quality of service (QoS) of the terminal, so that the processing strategy of the service can be determined according to the available QoS of the terminal, thereby reducing the constant
  • QoS quality of service
  • the present application provides a method for transmitting services.
  • the method includes: sending first information to a first communication device by an application function network element, and the first information is used to request sending the estimated QoS of the terminal to the application function network element, where the estimated QoS is the QoS that the network can provide for the terminal; the application function network element receives the second information from the first communication device, and the The second information is used to indicate the estimated QoS of the terminal, and the estimated QoS is used to determine a service processing policy of the terminal.
  • the estimated QoS of a terminal may be understood as an estimated value of QoS that a network device can provide for the terminal or an estimated value of available QoS for the terminal.
  • the estimated QoS of the terminal may be at a certain moment (for example, the current moment or a certain moment in the future) or a certain period of time (for example, a period starting from the current moment or a certain future moment).
  • QoS provided by the terminal for example, maximum bandwidth, average bandwidth, maximum burst bandwidth, etc.
  • the estimated QoS may be an identifier, which corresponds to a specific QoS parameter, such as bandwidth.
  • the estimated QoS may also be a specific QoS parameter, for example, the estimated QoS includes estimated bandwidth.
  • the business processing policy may include the business coding policy, such as the bandwidth ratio between multiple sub-streams of hierarchical coding, the rate of multiple sub-streams, the frame ratio of multiple sub-streams, and the code rate of multiple sub-streams, or the code used algorithm etc. For example, when the estimated QoS level of the terminal is high, the quality of the background stream can be improved.
  • the application function network element can obtain the estimated QoS of the terminal, and the estimated QoS is used to subsequently determine the processing strategy of the terminal's business, which helps to reduce the impact of changing network resources on service transmission in the wireless environment , which in turn helps to improve the user experience.
  • the first condition includes one or more of the following conditions: predicting the estimated QoS at the target time and/or target period; the estimated QoS is greater than The first threshold and/or the estimated QoS is less than the second threshold; the first timer expires, and the first timer is used to control periodic reporting of the estimated QoS of the terminal; the change amount of the estimated QoS is greater than a third threshold; and downgrading or upgrading the estimated QoS level.
  • the target time or the target time period is used to indicate the time or period when QoS prediction is desired, or indicates that the estimated QoS of the time and/or period is expected to be obtained, that is, the estimated QoS of the terminal is the predicted time of the time and/or period.
  • Estimating QoS, the time or time period for estimating QoS can be the current moment or a certain moment in the future. It should be noted that, if the first information does not include the target time and/or target time period, it may default to the current time and/or the current time period, wherein the current time period may start from the current time and have a duration of a preset time period time period.
  • the first communication device may predict the QoS at the target time and/or time period of the terminal, and report it to the application function network element.
  • the first communication device may predict the QoS of the terminal (for example, periodically predict the QoS of the terminal) and when the predicted QoS is greater than the first When the threshold and/or is less than the second threshold, the predicted QoS is reported to the application function network element.
  • the first communication device may predict the QoS of the terminal (for example, periodically predict the QoS of the terminal) and report the predicted QoS to the application function network element when the first timer expires .
  • the first communication device may predict the QoS of the terminal (for example, periodically predict the QoS of the terminal), and when the variation of the predicted QoS is greater than the third threshold, use the The predicted QoS is reported to the application function network element.
  • the QoS to be predicted is the bandwidth information of the terminal
  • the third threshold is 10M
  • the estimated QoS this time is 100M
  • the first communication device can send the application The functional network element sends a notification, and sends the changed estimated QoS to the application functional network element.
  • the first information includes one or more of the following information: the target moment and/or the target time period, The first threshold, the second threshold, the period for reporting the estimated QoS, the third threshold, and one or more QoS levels.
  • the first information further includes one or more of the following information: the predicted QoS type, and the Information, the predicted QoS is the QoS required to transmit the first service flow.
  • the predicted QoS type can indicate the QoS type to be predicted, for example, the maximum bandwidth that can be guaranteed (that is, the maximum bandwidth of the guaranteed bit rate (guaranteed bit rate, GBR) type), the average bandwidth that can be guaranteed (that is, the average bandwidth of the GBR type) , or guaranteed transmission delay, etc.
  • GBR guaranteed bit rate
  • the information of the first service flow may include the first service flow indicating that QoS prediction needs to be performed, that is, the estimated QoS of the terminal may be for a certain service flow or some service flows, for example, the information of the first service flow may be is a QoS flow identifier, and the first service flow requiring QoS prediction can be mapped to the QoS flow identified by the QoS flow identifier.
  • the information of the first service flow may also include the QoS requirements that the first service flow needs to meet, for example, the bandwidth requirements, delay requirements, and packet loss rate requirements that need to be met, that is, the estimated QoS of the terminal is that the network can be QoS level provided by the first service flow.
  • the first communication device includes at least one of the following: an access network device, a data analysis network element, a core network device, and the terminal.
  • the data analysis network element is a network data analysis function (network data analytics function, NWDAF) network element.
  • NWDAF network data analytics function
  • the core network device is a network element with a network opening function or a network element with a policy control function.
  • the first communication device is the terminal, and the application function network element sends the first information to the first communication device,
  • the method includes: the application function network element sending the first information to the terminal through a session management function network element; or, the application function network element sending the first information to the terminal through application layer signaling.
  • the first communication device is the terminal, and the application function network element receives the first communication from the first communication device.
  • the second information includes: the application function network element receives the second information sent by the terminal through the session management function network element; or, the application function network element receives the second information sent by the terminal through application layer signaling second information.
  • the first communication device is an access network device
  • the application function network element receives the The second information includes: the application function network element receiving the second information sent by the access network device through the user plane function network element and/or the session management function network element.
  • the second information when the access network device sends the second information through a user plane functional network element, the second information includes In the tunnel header or message body of the general packet radio service tunnel protocol-user (GTP-U) data packet.
  • GTP-U general packet radio service tunnel protocol-user
  • the GTP-U data packet is a dedicated data packet for sending the second information; or, the GTP-U data packet Packages are also used to send application packets. It should be noted that when the GTP-U data packet is also used to send the application data packet, the "application data packet" here refers to the data packet sent by the application server to the first terminal.
  • the present application provides a method for transmitting services.
  • the method includes: a first communication device receives first information, and the first information is used to request an estimate of the sending terminal when the first condition is met.
  • QoS the estimated QoS is the QoS that the network can provide for the terminal; the first communication device acquires information used to determine the estimated QoS; the first communication device determines the The estimated QoS information is used to determine the estimated QoS; when the first condition is satisfied, the first communication device sends second information, where the second information is used to indicate the estimated QoS.
  • the estimated QoS of a terminal may be understood as an estimated value of QoS that a network device can provide for the terminal or an estimated value of available QoS for the terminal.
  • the estimated QoS of the terminal may be at a certain moment (for example, the current moment or a certain moment in the future) or a certain period of time (for example, a period starting from the current moment or a certain future moment).
  • QoS provided by the terminal for example, maximum bandwidth, average bandwidth, maximum burst bandwidth, etc.
  • the estimated QoS may be an identifier, which corresponds to a specific QoS parameter, such as bandwidth.
  • the estimated QoS may also be a specific QoS parameter, for example, the estimated QoS includes estimated bandwidth.
  • the business processing policy may include the business coding policy, such as the bandwidth ratio between multiple sub-streams of hierarchical coding, the rate of multiple sub-streams, the frame ratio of multiple sub-streams, and the code rate of multiple sub-streams, or the code used algorithm etc. For example, when the estimated QoS level of the terminal is high, AF can improve the quality of the background stream.
  • the first communication device may acquire information used to determine the estimated QoS of the terminal, and predict the estimated QoS of the terminal according to the acquired information, and feed back to the sending request network elements, so that the terminal's service processing strategy can be determined according to the terminal's estimated QoS, which helps to reduce the impact of changing network resources on service transmission in the wireless environment, and thus helps to improve user experience.
  • the first condition includes one or more of the following conditions: predicting the estimated QoS at the target time and/or target period; the estimated QoS is greater than The first threshold and/or the estimated QoS is less than the second threshold; the first timer expires, and the first timer is used to control periodic reporting of the estimated QoS of the terminal; the change amount of the estimated QoS is greater than a third threshold; and downgrading or upgrading the estimated QoS level.
  • the target time or the target time period is used to indicate the time or period when QoS prediction is desired, or indicates that the estimated QoS of the time and/or period is expected to be obtained, that is, the estimated QoS of the terminal is the predicted time of the time and/or period.
  • Estimating QoS, the time or time period for estimating QoS can be the current moment or a certain moment in the future. It should be noted that, if the first information does not include the target time and/or target time period, it may default to the current time and/or the current time period, wherein the current time period may start from the current time and have a duration of a preset time period time period.
  • the first communication device may predict the QoS at the target time and/or time period of the terminal, and report it to the application function network element.
  • the first communication device may predict the QoS of the terminal (for example, periodically predict the QoS of the terminal) and when the predicted QoS is greater than the first When the threshold and/or is less than the second threshold, the predicted QoS is reported to the application function network element.
  • the first communication device may predict the QoS of the terminal (for example, periodically predict the QoS of the terminal) and report the predicted QoS to the application function network element when the first timer expires .
  • the first communication device may predict the QoS of the terminal (for example, periodically predict the QoS of the terminal), and when the variation of the predicted QoS is greater than the third threshold, use the The predicted QoS is reported to the application function network element.
  • the QoS to be predicted is the bandwidth information of the terminal
  • the third threshold is 10M bandwidth
  • the estimated QoS this time is 100M
  • the first communication device can send The application function network element sends a notification, and sends the changed estimated QoS to the application function network element.
  • the first information includes one or more of the following information: the target moment and/or the target time period, The first threshold, the second threshold, the period for reporting the estimated QoS, the third threshold, and one or more QoS levels.
  • the first information further includes one or more of the following information: the predicted QoS type, and the Information, the predicted QoS is the QoS required to transmit the first service flow.
  • the first communication device determining the estimated QoS according to the information used for determining the estimated QoS includes: the first communication device determining the estimated QoS according to the information used for determining the estimated QoS
  • the QoS information, one or more of the predicted QoS type included in the first information, and the information of the first service flow are used to determine the predicted QoS.
  • the predicted QoS type can indicate the type of QoS to be predicted, for example, the guaranteed maximum bandwidth (that is, the maximum bandwidth of the GBR type), the guaranteed average bandwidth (that is, the average bandwidth of the GBR type), or the guaranteed transmission delay, etc. .
  • the information of the first service flow may include the first service flow indicating that QoS prediction needs to be performed, that is, the estimated QoS of the terminal may be for a certain service flow or some service flows, for example, the information of the first service flow may be is a QoS flow identifier, and the first service flow requiring QoS prediction can be mapped to the QoS flow identified by the QoS flow identifier.
  • the information of the first service flow may also include the QoS requirements that the first service flow needs to meet, for example, the bandwidth requirements, delay requirements, and packet loss rate requirements that need to be met, that is, the estimated QoS of the terminal is that the network can be QoS level provided by the first service flow.
  • the method further includes: the first communication device acquires and predicts a period of the estimated QoS; the first communication The device determining the estimated QoS according to the information used for determining the estimated QoS includes: the first communication device determining the estimated QoS according to the information used for determining the estimated QoS and the predicted The period of the estimated QoS is determined, and the estimated QoS is determined.
  • the obtaining, by the first communication device, of predicting the period of the estimated QoS includes: the first communication device according to the The period of the predicted QoS is obtained by the first information, and the first information includes the period of the predicted QoS; or, the first communication device obtains the period of the predicted QoS according to preconfiguration information. Estimated QoS period.
  • the period of predicting the estimated QoS may be specified by the network element requesting the estimated QoS or pre-configured in the first communication device.
  • the information used to determine the estimated QoS includes at least one of the following information: measurement information of the terminal, Information about the moving speed of the terminal, the moving track of the terminal, and the second service flow of the terminal, wherein the measurement information is used to indicate the signal quality of a signal received by the terminal from an access network device.
  • the second service flow may be a service flow of the terminal other than the first service flow
  • the information of the second service flow may include at least one of the following: bandwidth occupied by the second service flow, priority of the second service flow, and the like.
  • the first communication device includes at least one of the following: an access network device, a data analysis network element, a core network device, and the terminal.
  • the data analysis network element is a NWDAF.
  • the core network device is a network element with a network opening function or a network element with a policy control function.
  • the first communication device is the terminal, and receiving the first information by the first communication device includes: the terminal Receive the first information from a session management function network element; or, the terminal receives the first information from an application function network element and/or an application server.
  • the first communication device is the terminal, and sending the second information by the first communication device includes: the terminal Send the second information to a session management function network element; or, the terminal sends the second information to an application function network element and/or an application server.
  • the first communication device is an access network device or a data analysis network element
  • the information used to determine the estimated QoS It also includes at least one of the following: load information of the access network equipment, and configuration information of the access network equipment.
  • the load information of the access network device refers to information of other service flows transmitted through the access network device except the first service flow, for example, one or more items of occupied bandwidth and priority.
  • the first communication device is a data analysis network element
  • the first communication device acquires the The information includes: the data analysis network element obtains the information for determining the estimated QoS from at least one of the following: access network equipment, session management function network elements, and operation management and maintenance network elements.
  • the first communication device is an access network device
  • the second information sent by the first communication device includes: the The access network device sends the second information to the application function network element through a user plane function network element and/or a session management function network element.
  • the second information when the access network device sends the second information through a user plane functional network element, the second information includes In the tunnel header or message body of a GTP-U packet.
  • the GTP-U data packet is a dedicated data packet for sending the second information; or, the GTP-U data packet Packages are also used to send application packets.
  • the present application provides a communication device, and the device includes a module configured to execute the method in the foregoing first aspect or any possible implementation manner of the first aspect.
  • the device is a communication device corresponding to the first aspect, and can also achieve the beneficial effects brought by the first aspect or any possible implementation manner of the first aspect.
  • the present application provides a communication device, and the device includes a module for performing the method in the second aspect or any possible implementation manner of the second aspect.
  • the device is a communication device corresponding to the second aspect, and can also achieve the beneficial effects brought by the second aspect or any possible implementation manner of the second aspect.
  • the present application provides a communication device, including a processor.
  • the processor is coupled with the memory, and may be used to execute instructions in the memory, so as to implement the method in any possible implementation manner of the above first aspect.
  • the device further includes a memory.
  • the device further includes a communication interface, and the processor is coupled to the communication interface.
  • the apparatus is a network device.
  • the communication interface may be a transceiver, or an input/output interface.
  • the device is a chip configured in a network device.
  • the communication interface may be an input/output interface.
  • the transceiver may be a transceiver circuit.
  • the input/output interface may be an input/output circuit.
  • the present application provides a communication device, including a processor.
  • the processor is coupled with the memory, and can be used to execute instructions in the memory, so as to implement the method in any possible implementation manner of the second aspect above.
  • the device further includes a memory.
  • the device further includes a communication interface, and the processor is coupled to the communication interface.
  • the device is a terminal.
  • the communication interface may be a transceiver, or an input/output interface.
  • the device is a chip configured in a terminal.
  • the communication interface may be an input/output interface.
  • the transceiver may be a transceiver circuit.
  • the input/output interface may be an input/output circuit.
  • the present application provides a processor, including: an input circuit, an output circuit, and a processing circuit.
  • the processing circuit is configured to receive a signal through the input circuit and output a signal through the output circuit, so that the processor executes any possible implementation manner in any one of the first aspect or the second aspect above Methods.
  • the above-mentioned processor can be a chip, the input circuit can be an input pin, the output circuit can be an output pin, and the processing circuit can be a transistor, a gate circuit, a flip-flop and various logic circuits, etc.
  • the input signal received by the input circuit may be received and input by, for example but not limited to, the receiver, the output signal of the output circuit may be, for example but not limited to, output to the transmitter and transmitted by the transmitter, and the input circuit and the output
  • the circuit may be the same circuit, which is used as an input circuit and an output circuit respectively at different times.
  • the embodiment of the present application does not limit the specific implementation manners of the processor and various circuits.
  • the present application provides a communication device, including a processor and a memory.
  • the processor is used to read the instructions stored in the memory, and can receive signals through the receiver and transmit signals through the transmitter, so as to execute the method in any possible implementation manner of any one of the first aspect or the second aspect .
  • processors there are one or more processors, and one or more memories.
  • the memory may be integrated with the processor, or the memory may be set separately from the processor.
  • the memory can be a non-transitory (non-transitory) memory, such as a read-only memory (read only memory, ROM), which can be integrated with the processor on the same chip, or can be respectively arranged in different On the chip, the embodiment of the present application does not limit the type of the memory and the configuration of the memory and the processor.
  • a non-transitory memory such as a read-only memory (read only memory, ROM)
  • ROM read only memory
  • a related data interaction process such as sending indication information may be a process of outputting indication information from a processor
  • receiving capability information may be a process of receiving input capability information from a processor.
  • processed output data may be output to the transmitter, and input data received by the processor may be from the receiver.
  • the transmitter and the receiver may be collectively referred to as a transceiver.
  • the device in the above-mentioned eighth aspect may be a chip, and the processor may be implemented by hardware or by software.
  • the processor When implemented by hardware, the processor may be a logic circuit, an integrated circuit, etc.; when implemented by software , the processor may be a general-purpose processor, implemented by reading software codes stored in a memory, the memory may be integrated in the processor, or be located outside the processor and exist independently.
  • the present application provides a computer-readable storage medium, in which a computer program or instruction is stored, and when the computer program or instruction is executed, the above-mentioned first or second aspect can be realized.
  • the present application provides a computer program product including instructions, and when the instructions are executed, implement the method in any possible implementation manner in either the first aspect or the second aspect.
  • the present application provides a communication system, which includes: an application function network element, configured to execute the method in the above first aspect or any possible implementation thereof; and communicate with the application function network element A first communication device communicates.
  • Fig. 1 is a schematic structural diagram of a mobile communication system to which the technical solution of the present application can be applied.
  • Fig. 2 is a schematic flowchart of a method for transmitting services provided by the present application.
  • Fig. 3 is an example of the method for transmitting services provided by this application.
  • Fig. 4 is another example of the method for transmitting services provided by this application.
  • Fig. 5 is another example of the method for transmitting services provided by this application.
  • Fig. 6 is another example of the method for transmitting services provided by this application.
  • Fig. 7 is a schematic structural diagram of a device provided by an embodiment of the present application.
  • Fig. 8 is another schematic structural diagram of the device provided by the embodiment of the present application.
  • the technical solution of the embodiment of the present application can be applied to various mobile communication systems, for example: long term evolution (long term evolution, LTE) system, LTE frequency division duplex (frequency division duplex, FDD) system, LTE time division duplex (time division) duplex, TDD), universal mobile telecommunications system (UMTS), worldwide interoperability for microwave access (WiMAX) communication system, fifth generation (5th generation, 5G) mobile communication system, new wireless Access technology (new radio Access Technology, NR) or satellite communication system, etc.
  • the mobile communication system may include non-standalone networking (non-standalone, NSA) and/or standalone networking (standalone, SA).
  • the technical solution provided by this application can also be applied to machine type communication (machine type communication, MTC), inter-machine communication long-term evolution technology (Long Term Evolution-machine, LTE-M), device-to-device (device-to-device, D2D) A network, a machine to machine (M2M) network, an Internet of things (IoT) network, or other networks.
  • MTC machine type communication
  • LTE-M inter-machine communication long-term evolution technology
  • device-to-device device-to-device
  • D2D device-to-device
  • M2M machine to machine
  • IoT Internet of things
  • the IoT network may include, for example, the Internet of Vehicles.
  • the communication methods in the Internet of Vehicles system are collectively referred to as vehicle to other devices (vehicle to X, V2X, X can represent anything), for example, the V2X can include: vehicle to vehicle (vehicle to vehicle, V2V) communication, vehicle and Infrastructure (vehicle to infrastructure, V2I) communication, vehicle to pedestrian (vehicle to pedestrian, V2P) or vehicle to network (vehicle to network, V2N) communication, etc.
  • vehicle to vehicle vehicle to vehicle
  • V2V vehicle to vehicle
  • V2I vehicle to infrastructure
  • V2P vehicle to pedestrian
  • V2N vehicle to network
  • Fig. 1 is a schematic structural diagram of a mobile communication system to which the technical solution of the present application can be applied.
  • the network architecture includes: user equipment (user equipment, UE), (wireless) access network ((radio) access network, (R)AN) equipment, user plane function (user plane function, UPF ) network element, data network (data network, DN), access and mobility management function (access and mobility management function, AMF) network element, session management function (session management function, SMF) network element, policy control function module ( Policy control function (PCF) network element, application function (application function, AF) network element, and unified data management (unified data management, UDM) network element.
  • the UPF network element, AMF network element, SMF network element, PCF network element, AF network element, and UDM network element may also be referred to as UPF, AMF, SMF, PCF, AF, and UDM for short.
  • N1 is the interface between UE and AMF, used for sending NAS messages, etc.
  • N2 is the interface between RAN and AMF, used to transmit N2 signaling
  • N3 is the interface between RAN and UPF, used It is used to transmit user plane data, etc.
  • N4 is the interface between SMF and UPF, which is used to transmit such information as the tunnel identification information connected by N3, data cache indication information, and downlink data notification messages
  • N5 is the interface between PCF and AF Interface
  • N6 interface is the interface between UPF and DN, used to transmit user plane data, etc.
  • N7 is the interface between SMF and PCF
  • N8 is the interface between AMF and UDM
  • N9 is the interface between UPF and UPF Interface
  • N10 is the interface between UDM and SMF
  • N11 is the interface between AMF and SMF
  • N14 is the interface between AMF and AMF
  • N15 is the interface between AMF and PCF.
  • the network elements in the network architecture shown in FIG. 1 are described below.
  • the terminal in the embodiment of the present application may also be referred to as user equipment, terminal equipment, user, access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless Communication equipment, user agents or user devices, etc., are collectively referred to as terminals hereinafter, which mainly access the 5G network and obtain services through the wireless air interface.
  • the terminal interacts with the RAN through the air interface, and interacts with the AMF of the core network through NAS signaling.
  • Terminals can be cellular phones, smart watches, wireless data cards, mobile phones, tablet computers, personal digital assistant (PDA) computers, wireless modems, handheld devices, laptops, machine type communication (MTC) ) terminals, computers with wireless transceiver functions, Internet of Things terminals, virtual reality terminal devices, augmented reality terminal devices, wearable devices, vehicles, terminals in device-to-device (D2D) communication, vehicles ( Terminals in vehicle to everything (V2X) communication, terminals in machine-type communication (MTC), terminals in Internet of Things (IOT), terminals in smart office, terminals in industrial control , terminals in unmanned driving, terminals in remote surgery, terminals in smart grids, terminals in transportation security, terminals in smart cities, terminals in smart homes, terminals in satellite communications (for example, satellite phones or satellite terminal, etc.) etc.
  • D2D device-to-device
  • V2X Vehicle to everything
  • MTC machine-type communication
  • IOT Internet of Things
  • terminals in smart office terminals in industrial control
  • the terminal can also be customer-premises equipment (CPE), telephone, router, network switch, residential gateway (residential gateway, RG), set-top box, fixed-mobile convergence product, home network adapter, and Internet access gateway, etc.
  • CPE customer-premises equipment
  • the embodiment of the present application does not limit the specific technology and specific equipment form adopted by the terminal.
  • the access network device in this embodiment of the present application may be a device for communicating with a terminal, and is mainly responsible for functions such as radio resource management, service quality management, data compression and encryption on the air interface side.
  • the access network equipment may be a base transceiver station (BTS) in a global system of mobile communication (GSM) system or a code division multiple access (CDMA) system, a broadband code division multiple access Base station (nodeB, NB) in (wideband code division multiple access, WCDMA) system, evolved base station (evolutional nodeB, eNB or eNodeB) in LTE system, worldwide interoperability for microwave access (WiMAX) communication Base stations in the system, wireless controllers in cloud radio access network (CRAN) scenarios, access points in wireless fidelity systems, relay stations, vehicle-mounted devices or wearable devices, etc.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • NodeB, NB broadband code division multiple access
  • WCDMA wideband code division multiple access
  • the access network device may be a terminal that assumes the base station function in D2D communication or machine-to-machine communication.
  • the access network device may be a network device in a 5G network or a network device in a future evolved PLMN network.
  • the access network device may also be a module or unit that completes some functions of the base station, for example, it may be a centralized unit (central unit, CU) or a distributed unit (distributed unit, DU).
  • the embodiment of the present application does not limit the specific technology and specific equipment form adopted by the access network equipment.
  • the UPF is a functional network element of the user plane and is responsible for forwarding user data.
  • the UPF can receive user data from the DN and transmit it to the terminal through the RAN, and can also receive user data from the terminal through the RAN and forward it to the DN.
  • the transmission resources and scheduling functions that provide services for terminals in UPF are managed and controlled by SMF.
  • the DN is the destination accessed by the user's PDU session.
  • the DN is an operator network that provides data transmission services for users, for example, Internet protocol (internet protocol, IP) multimedia service (IP multi-media service, IMS), Internet, etc.
  • IP Internet protocol
  • IMS IP multi-media service
  • the terminal can access the DN by establishing a protocol data unit (protocol data unit, PDU) session (session) between the terminal, the RAN, the UPF, and the DN.
  • PDU protocol data unit
  • AMF is an access and mobility management functional network element. Mainly through N1 interface to access NAS signaling (including SM signaling) of UE and N2 interface to access RAN signaling to complete user registration process, forwarding of SM signaling and mobility management.
  • NAS signaling including SM signaling
  • the SMF is mainly responsible for session management in the mobile network, for example, session establishment, modification, and release. Specific functions include assigning IP addresses to users, selecting UPF that provides message forwarding functions, etc.
  • the PCF is responsible for user policy management, including both mobility-related policies and PDU session-related policies, such as QoS policies, slice selection policies, and charging policies.
  • the UDM is used to store user subscription data, such as subscription information, authentication/authorization information, and the like.
  • the AF is responsible for providing services to the 3rd generation partnership project (the 3rd generation partnership project, 3GPP) network, for example, affecting service routing, interacting with the PCF for policy control, etc.
  • 3rd generation partnership project the 3rd generation partnership project, 3GPP
  • interfaces between network elements shown in FIG. 1 may also be service-oriented interfaces, which are not limited.
  • each network element shown in FIG. 1 is only a name, and the name does not limit the function of the network element itself.
  • the foregoing network elements may also have other names, which are not specifically limited in this embodiment of the present application.
  • 6G sixth generation
  • some or all of the above-mentioned network elements may use the terms in 5G, or may be named by other names, etc., which will be described in a unified manner here, and will not be repeated below. .
  • the interface between the network elements shown in Figure 1 is only an example, in the 5G network and other networks in the future, the interface between the network elements may not be the interface shown in the figure, and this application does not make any comment on this limited.
  • the embodiment of the present application is not limited to the system architecture shown in FIG. 1 .
  • the communication system to which this application can be applied may include more or fewer network elements or devices, for example, the system may also include network exposure function (network exposure function, NEF) network elements, data analysis network elements, operation management and maintenance (operation administration and maintenance, OAM) network elements, etc.
  • the devices or network elements in FIG. 1 may be hardware, or functionally divided software, or a combination of the above two.
  • the devices or network elements in FIG. 1 may communicate through other devices or network elements.
  • the radio access network equipment and terminals may be fixed or mobile.
  • Wireless access network equipment and terminals can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; they can also be deployed on water; they can also be deployed on aircraft, balloons and artificial satellites in the air.
  • the embodiments of the present application do not limit the application scenarios of the wireless access network device and the terminal.
  • the roles of wireless access network equipment and terminals can be relative.
  • a helicopter can be configured as a mobile base station.
  • the helicopter is a base station; Communicate with another base station 1 through a wireless air interface protocol.
  • the helicopter is a terminal.
  • the communication between the base station 1 and the helicopter may also be performed through an interface protocol between the base stations.
  • the helicopter is also a base station.
  • Communication between radio access network devices and terminals, between radio access network devices and radio access network devices, and between terminals can be carried out through licensed spectrum, or through license-free spectrum, or through authorized spectrum at the same time.
  • the spectrum and the license-free spectrum can be used for communication; the communication can be performed through the frequency spectrum below 6 gigahertz (GHz), or the frequency spectrum above 6 GHz can be used for communication, and the frequency spectrum below 6 GHz and the frequency spectrum above 6 GHz can also be used for communication at the same time.
  • the embodiments of the present application do not limit the frequency spectrum resources used for wireless communication.
  • the service data sent by the application function network element to the terminal needs to be distributed and processed by the network side before reaching the terminal.
  • the network side can carry the data transmission of a large amount of services at the same time, and the network resources are constantly changing as the service transmission starts or ends. Therefore, how to reduce the impact of network resource changes on service transmission has become an urgent problem to be solved.
  • this application provides a method and device for transmitting services, which can realize the prediction of the available QoS of the terminal, so that the subsequent processing strategy of the service can be determined according to the available QoS of the terminal, thereby reducing the constantly changing wireless environment.
  • the impact of network resources on service transmission helps to improve user experience.
  • Fig. 2 is a schematic flowchart of a method for transmitting services provided by the present application.
  • the method shown in FIG. 2 may be executed by the first communication device and the AF, or may be executed by modules or units in the first communication device and the AF, which is not limited in the present application.
  • the following description is made by taking the implementation by the first communication device and the AF as an example.
  • step 201 the AF sends first information to a first communication device. Accordingly, the first communication device receives the first information from the AF.
  • the first information is used to request to send the estimated QoS of the terminal to the AF when the first condition is met.
  • the first communication device may include at least one of the following: an access network device, a data analysis network element, a core network device, and a terminal.
  • the AF may send the first information to the terminal through the SMF, or the AF may send the first information to the terminal through application layer signaling.
  • the SMF sending the first information to the terminal may be that the SMF sends the first information to the terminal through a NAS message.
  • the data analysis network element may be a NWDAF network element or other network elements with the same or similar functions.
  • the core network device is NEF or PCF.
  • the estimated QoS of a terminal may be understood as an estimated value of QoS that a network device can provide for the terminal or an estimated value of available QoS for the terminal.
  • the estimated QoS of the terminal may be at a certain moment (for example, the current moment or a certain moment in the future) or a certain period of time (for example, a period starting from the current moment or a certain future moment).
  • QoS provided by the terminal for example, maximum bandwidth, maximum burst bandwidth or average bandwidth, etc.
  • the estimated QoS may be an identifier, which corresponds to a specific QoS parameter, such as bandwidth.
  • the estimated QoS may also be a specific QoS parameter, for example, the estimated QoS includes estimated bandwidth.
  • the first condition includes one or more of the following conditions: the estimated QoS at the predicted target time and/or target period; the estimated QoS is greater than the first threshold and/or the estimated QoS is less than the second threshold; the first timer expires, and the first timer is used to control periodic reporting of the estimated QoS of the terminal; the variation of the estimated QoS is greater than the third threshold; and the level of the estimated QoS is downgraded or upgraded.
  • the target time or the target time period is used to indicate the time or period when QoS prediction is desired, or indicates that the estimated QoS of the time and/or period is expected to be obtained, that is, the estimated QoS of the terminal is the predicted time of the time and/or period.
  • the time or time period for estimating QoS can be the current moment or a certain moment in the future. It should be noted that, if the first information does not include the target time and/or target time period, it may default to the current time and/or the current time period, wherein the current time period may start from the current time and have a duration of a preset time period time period.
  • the first communication device may predict the QoS at the target time and/or time period of the terminal, and report it to the AF.
  • the AF may report the predicted QoS to the AF when it predicts the QoS at a certain moment and/or time period.
  • the first communication device may predict the QoS of the terminal (for example, predict the QoS of the terminal periodically) and when the predicted QoS is greater than the second threshold Report the predicted QoS to the AF when the first threshold and/or is less than the second threshold.
  • the first communication device reports the predicted QoS to the AF when the predicted QoS is within a certain range.
  • the predicted QoS is bandwidth
  • the first communication device reports the predicted bandwidth to the AF when the predicted bandwidth is greater than 100M.
  • the predicted bandwidth is less than 20M
  • the first communication device reports the predicted bandwidth to the AF.
  • the predicted bandwidth is greater than 100M and smaller than 200M
  • the first communication device reports the predicted bandwidth to the AF.
  • the first communication device may predict the QoS of the terminal (for example, predict the QoS of the terminal periodically) and report the predicted QoS to the AF when the first timer expires.
  • the first communication device may predict the QoS of the terminal (for example, periodically predict the QoS of the terminal), and when the variation of the predicted QoS is greater than the third threshold, use the The predicted QoS is reported to the AF.
  • the AF may also request the first communication device to notify the AF that the estimated QoS of the terminal changes, that is, the first information may also be used to subscribe to the estimated QoS change notification.
  • the first communication device can predict the estimated QoS of the terminal at a certain moment or in a certain period of time and send it to the AF, and then send a notification to the AF when the estimated QoS of the terminal changes, and notify the AF that the estimated QoS of the terminal changes. And/or the estimated QoS after the change.
  • the AF may specify a range of QoS that triggers the notification, for example, the range of change is carried in the first information, and when the change of the estimated QoS exceeds the range of change, the first communication device may send a notification to the AF In order to send the changed estimated QoS to the AF.
  • the first communication device may send a notification to the AF, and send the changed estimated QoS to the AF.
  • the above target time and/or target period, first threshold, second threshold, period of reporting estimated QoS, and third threshold may be predefined, or may be indicated to the first communication device by AF, for example, the above information includes Sent to the first communication device in the first message.
  • the first information may further include at least one of the following information: a predicted QoS type and information of the first service flow, and the predicted QoS is a QoS required to transmit the first service flow.
  • the predicted QoS type may indicate the type of QoS to be predicted, for example, the guaranteed maximum bandwidth (that is, the maximum bandwidth of the GBR type), the guaranteed average bandwidth (that is, the average bandwidth of the GBR type), the guaranteed transmission delay, and the like.
  • the information of the first service flow includes the first service flow used to indicate that QoS prediction needs to be performed, that is, the estimated QoS of the terminal may be for a certain service flow, for example, the information of the first service flow may be a QoS flow identifier, which needs to
  • the first service flow for QoS prediction can be mapped to the QoS flow identified by the QoS flow identifier; or, the information of the first service flow can also include the information of the QoS requirements of the first service flow, such as bandwidth, delay and other information.
  • Step 202 the first communication device acquires information used to determine the estimated QoS of the terminal.
  • This application does not specifically limit the timing for the first communication device to obtain the information used to determine the estimated QoS of the terminal.
  • the first communication device may periodically obtain the information used to determine the estimated QoS of the terminal.
  • the network element for estimating the QoS is specified or preconfigured in the first communication device.
  • the first communication device may also obtain the information used to determine the estimated QoS of the terminal after receiving the AF request.
  • the information used to determine the estimated QoS includes at least one of the following information: measurement information of the terminal, moving speed of the terminal, moving track of the terminal, information of the second service flow of the terminal, access Load information of network equipment and configuration information of access network equipment.
  • the measurement information of the terminal is used to indicate the signal quality of the signal received by the terminal from the access network device.
  • the second service flow may be a service flow of the terminal other than the first service flow, and the information of the second service flow may include at least one of the following: the bandwidth occupied by the second service flow and the priority of the second service flow.
  • the configuration information of the access network device for example, may be available wireless spectrum resource information of the access network device.
  • the access network device may obtain measurement information of the terminal from the terminal, and/or obtain the moving speed of the terminal and/or the terminal's movement speed from the local or NWDAF.
  • the movement track information, and/or at least one of the information of the second service flow of the terminal, the load information of the access network device, and the configuration information of the access network device is acquired locally.
  • the access network device may notify the terminal to report measurement information, where the measurement information may be measurement information of downlink signals received by the terminal from the cell where the terminal currently resides, for example, the signal-to-noise ratio and /or signal strength etc.
  • the terminal may also periodically report the measurement information to the access network device.
  • the data analysis network element may obtain information used to determine the estimated QoS of the terminal from at least one of the following network elements: access network equipment, SMF, and OAM.
  • the data analysis network element can obtain the measurement information of the terminal, the moving speed of the terminal, the moving track of the terminal, the load information of the access network device, and the configuration information of the access network device from the access network device or OAM. At least one, and/or, acquire information about the second service flow of the terminal from the SMF or OAM or access network equipment.
  • the terminal may locally acquire at least one of the measurement information of the terminal, the moving speed of the terminal, the moving track of the terminal, and the information of the second service flow of the terminal.
  • the information for determining the estimated QoS may further include at least one of the following information: a predicted QoS type, and information about the first service flow.
  • the first communication device may acquire at least one of the predicted QoS type and the information of the first service flow through the first information.
  • the first information may include the predicted QoS type and the second At least one of the information of a service flow.
  • Step 203 the first communication device determines the estimated QoS of the terminal according to the information used to determine the estimated QoS of the terminal.
  • the estimated QoS of the terminal is used to determine the service processing policy of the terminal.
  • the first communication device may, according to the measurement information of the terminal, the load information of the access network device, the configuration information of the access network device, the moving speed of the terminal, the moving track of the terminal, and the second service flow of the terminal.
  • the estimated QoS of the terminal is determined by at least one of information, target time and/or target period, predicted QoS type, and information of the first service flow.
  • the first communication device determines the estimated QoS of the terminal at the moment and/or period according to the measurement information of the terminal, the load information of the cell where the terminal is located, and the target time and/or target period, wherein the estimated QoS The time and/or period may be the time and/or period carried in the first information, or the default time and/or period. For example, when the measurement information of the terminal indicates that the signal quality at the current location of the terminal is poor and/or the load of the cell where the terminal is located is high, the estimated QoS value of the terminal decreases; When the signal quality at the location is very good and the cell where the terminal is located is lightly loaded, the estimated QoS value of the terminal increases.
  • the first communications device may also consider the service requirement of the first service flow. For example, when the packet loss rate requirement of the first service flow is relatively high (that is, the packet loss rate allowed by the first service flow is very low), when other conditions remain unchanged, the estimated bandwidth of the terminal decreases because the low packet loss rate is guaranteed It will inevitably reduce the bandwidth.
  • the first communications device may also consider the moving speed and the moving track of the terminal. For example, when the mobile speed of the terminal is fast and/or the terminal moves to the edge of the cell, the signal quality of the terminal may deteriorate, and at this time, the estimated QoS of the terminal device also decreases accordingly.
  • the obtained estimated QoS should be less than or equal to the maximum QoS requirement of the first service flow.
  • the obtained estimated QoS should be less than or equal to the maximum QoS requirement of the QoS flow.
  • the first information includes one or more QoS levels
  • the first condition is that the predicted QoS level is downgraded or upgraded, that is, when the predicted QoS changes among the one or more QoS levels
  • the first communication device Determine the predicted QoS level, and send second information, where the second information includes the predicted QoS level.
  • the QoS requirement levels include: QoS level 1, QoS level 2, and QoS level 3.
  • the predicted QoS is QoS level 2
  • the sent The second information includes QoS level 2, or, when the predicted QoS level further drops to less than QoS level 2 but greater than QoS level 3, the predicted QoS is QoS level 3, and the second information sent includes QoS level 3, or , when the QoS level of the terminal rises to be greater than or equal to QoS level 1, the predicted QoS is QoS level 1, and the second information sent includes QoS level 1.
  • the QoS class in the first information may include the QoS class identifier, and correspondingly, the second information may only include the corresponding QoS class identifier.
  • the first communication device when the first communication device performs QoS prediction on the designated first service flow, the first communication device may further perform the prediction in combination with information of the terminal's second service flow. For example, if the terminal has other service flows with higher priority than the first service flow, when the network resources of the first communication device are limited (for example, when the access network device is congested), the first service The estimated QoS of the flow drops.
  • the first communications device may also acquire the period of the predicted QoS.
  • the first communication device may determine the estimated QoS of the terminal according to the above information for determining the estimated QoS and the period of predicting the estimated QoS.
  • the first communication device may periodically acquire information for determining the estimated QoS of the terminal according to the period of predicting the estimated QoS, and determine the estimated QoS of the terminal according to the acquired information.
  • the first communication device may record or obtain information used to determine the estimated QoS of the terminal in real time, and periodically determine the estimated QoS of the terminal according to the period of the predicted estimated QoS.
  • the first communication device may acquire the period of predicting the estimated QoS according to the first information, that is, the first information may further include the period of predicting the estimated QoS.
  • the first communication device acquires and predicts the period of the estimated QoS according to the preconfiguration information.
  • the period of predicting the estimated QoS may be specified by the network element requesting the estimated QoS or pre-configured in the first communication device.
  • Step 204 the first communication device sends the second information to the AF.
  • the AF receives the second information from the first communication device.
  • the second information is used to indicate the estimated QoS of the terminal.
  • the access network device may send the second information to the AF through the SMF and/or UPF.
  • the second information may be included in the tunnel header or the message body of the GTP-U data packet.
  • the GTP-U data packet may be a dedicated data packet for sending the second information, or the GTP-U data packet is also used for sending an application data packet.
  • the "application data packet" here may be the application data packet corresponding to the service of the terminal.
  • the terminal may send the second information to the AF through application layer signaling, or the terminal may send the second information to the SMF, that is, the terminal may send the second information to the AF through the SMF.
  • the terminal sends the second information to the SMF, and if possible, the terminal sends the second information to the SMF through a NAS message.
  • Step 205 determine the service processing policy of the terminal according to the estimated QoS of the terminal.
  • the AF adjusts the service processing strategy of the terminal according to the obtained estimated QoS of the terminal, wherein the service processing strategy may include a service coding strategy, for example The bandwidth ratio among the multiple sub-streams of the layered encoding, the rate of the multiple sub-streams, the frame ratio of the multiple sub-streams, the code rate of the multiple sub-streams, or the coding algorithm of the service, etc.
  • the service processing strategy may include a service coding strategy, for example The bandwidth ratio among the multiple sub-streams of the layered encoding, the rate of the multiple sub-streams, the frame ratio of the multiple sub-streams, the code rate of the multiple sub-streams, or the coding algorithm of the service, etc.
  • AF can improve the quality of background streams when the terminal's estimated QoS is high.
  • the AF may transmit the obtained estimated QoS of the terminal to the function, network element, or device that actually processes the service, and the function, network element, or device that actually processes the service Or the device determines the service processing policy of the terminal according to the estimated QoS of the terminal.
  • AF is a mobile edge computing (MEC) platform.
  • MEC mobile edge computing
  • the MEC platform does not process services, but the applications deployed on the MEC platform process services. In this way, after obtaining the estimated QoS of the terminal, the MEC can transmit it to the Correspondingly, the application adjusts the service processing policy of the terminal.
  • the prediction of the available QoS of the terminal can be realized through the above method, so that the service processing strategy can be determined according to the available QoS of the terminal, thereby reducing the impact of constantly changing network resources on service transmission in the wireless environment, and helping to improve user experience.
  • the estimated QoS of the terminal may be determined by the access network device.
  • Fig. 3 is an example of the method for transmitting services provided by this application.
  • Step 301 AF sends first information to PCF or NEF.
  • the PCF or NEF receives the first information from the AF.
  • the first information is used to request to send the estimated QoS of the terminal to the AF when the first condition is met.
  • the AF may send the foregoing first information to the PCF or the NEF through a subscription request message.
  • step 201 For the description about the estimated QoS of the terminal and the first information, reference may be made to step 201, which will not be repeated here.
  • Step 302 PCF or NEF sends first information to SMF.
  • the SMF receives the first information from the PCF or NEF.
  • the PCF or the NEF sends the first information to the SMF through a subscription request message.
  • Step 303 the SMF sends the first information to the access network device.
  • the access network device receives the first information from the SMF.
  • the SMF sends the first information to the access network device through an N2 message.
  • the SMF sends the first information to the access network device through an N2 SM message.
  • the AF sending the first information to the access network device through the SMF includes: the AF sending the first information to the SMF through the NEF/PCF, and the SMF sending the first information to the access network device through an N2 message.
  • Step 304 the access network device acquires the measurement information of the terminal.
  • the measurement information of the terminal is used to indicate the signal quality of the signal received by the terminal from the access network device.
  • the access network device may notify the terminal to report the measurement information.
  • the measurement information may be measurement information of downlink signals received by the terminal from the cell where the terminal is currently camped on, for example, signal-to-noise ratio and/or signal strength of the downlink signals received by the terminal.
  • the terminal may also periodically report the measurement information to the access network device.
  • step 304 is an optional step.
  • step 304 may be performed, or step 304 may not be performed.
  • step 304 can be performed, and this application does not limit the timing of performing step 304, and step 304 can be any step before step 305 implement.
  • Step 305 the access network device determines the estimated QoS of the terminal.
  • the access network device may use the measurement information of the terminal, the load information of the access network device (for example, the load information of the cell where the terminal is located), the configuration information of the access network device (for example, the configured frequency band, etc.), the moving speed of the terminal, the moving track of the terminal, the information of the second service flow of the terminal (for example, occupied bandwidth, priority, etc.), target time and/or target period, predicted QoS type, and the second At least one of the information of a service flow is used to determine the estimated QoS of the terminal.
  • the load information of the access network device for example, the load information of the cell where the terminal is located
  • the configuration information of the access network device for example, the configured frequency band, etc.
  • the moving speed of the terminal for example, the moving track of the terminal
  • the information of the second service flow of the terminal for example, occupied bandwidth, priority, etc.
  • target time and/or target period predicted QoS type
  • predicted QoS type predicted QoS type
  • the access network device determines the estimated QoS of the terminal at the moment and/or period according to the measurement information of the terminal, the load information of the cell where the terminal is located, and the moment and/or period of estimated QoS, wherein the estimated The time and/or period of QoS may be the time and/or period carried in the first information, or may be a default time and/or period.
  • the measurement information of the terminal indicates that the signal quality at the current location of the terminal is poor and/or the load of the cell where the terminal is located is high, the estimated QoS of the terminal decreases; When the signal quality is good and the cell where the terminal is located is lightly loaded, the estimated QoS of the terminal increases.
  • the transmission rate needs to be reduced accordingly, and the QoS decreases accordingly; conversely, when the signal quality is good, the transmission rate can be increased, and the QoS increases accordingly.
  • the load of the cell is high, the radio resources that can be allocated to the terminal are less, correspondingly, the QoS also decreases, otherwise, the QoS increases.
  • the access network device may also consider the prediction condition. For example, when the measurement information of the terminal indicates that the signal quality at the current location of the terminal is poor, and/or the load of the cell where the terminal is located is high, and/or the packet loss rate requirement is high, the estimated QoS of the terminal decreases; on the contrary Specifically, when the measurement information of the terminal indicates that the signal quality at the current location of the terminal is very good, the cell where the terminal is located is lightly loaded, and the packet loss rate requirement is low, the estimated QoS of the terminal increases.
  • a high packet loss rate requirement means that the network coding efficiency or modulation efficiency used by the base station is reduced.
  • the transmission rate is reduced, and the QoS that can be provided for the terminal is also reduced. At this time, the estimated QoS is reduced.
  • the access network device may also consider the moving speed and the moving track of the terminal. For example, when the mobile speed of the terminal is fast and/or the terminal moves to the edge of the cell, the signal quality of the terminal may deteriorate, and at this time, the estimated QoS of the terminal device decreases.
  • the first information includes the QoS class of the first service flow
  • the obtained estimated QoS should be equal to one of the QoS classes.
  • the obtained estimated QoS should be one of one or more QoS levels of the QoS flow.
  • the access network device when the access network device performs QoS prediction on the first service flow of the terminal, the access network device may also perform prediction in combination with information of other service flows of the terminal (such as the second service flow above). For example, if the terminal has other service flows with a higher priority than the first service flow, when the network resources of the access network device are limited (for example, when the access network device is blocked), the access network device The estimated QoS of the first service flow may be reduced.
  • steps 202 and 203 For a more detailed description of the implementation manner of determining the estimated QoS of the terminal, reference may be made to steps 202 and 203, which will not be repeated here.
  • the access network device may send the determined estimated QoS to the AF.
  • the access network device may send the estimated QoS of the terminal to the AF, several of which are described below.
  • Step 306 the access network device sends the second information to the SMF.
  • the SMF receives the second information from the access network device.
  • the second information is used to indicate the estimated QoS of the terminal.
  • Step 307 the SMF sends the second information to the AF.
  • the AF receives the second information from the SMF.
  • Step 308 the access network device sends the second information to the UPF.
  • the UPF receives the second information from the access network device.
  • the second information is used to indicate the estimated QoS of the terminal.
  • the access network device sends the second information to the UPF, specifically, it may be sent through a GTP-U data packet, for example, the second information is included in a GTP-U message header (or tunnel header) or a message body.
  • the GTP-U data packet including the second information may be a dedicated data packet for sending the second information, or may also be used for sending an application data packet.
  • Step 309 the UPF sends the second information to the SMF.
  • the SMF receives the second information from the UPF.
  • Step 310 the SMF sends the second information to the AF.
  • the AF receives the second information from the SMF.
  • the access network device sends the estimated QoS of the terminal to the AF through the user plane path.
  • Step 311 the access network device sends the second information to the UPF.
  • the UPF receives the second information from the access network device.
  • the second information is used to indicate the estimated QoS of the terminal. See step 308 for details.
  • the UPF sends the second information to the AF.
  • the AF receives the second information from the UPF.
  • the UPF sends the second information to the AF through the local NEF.
  • the UPF may also send the second information to the AF in other ways.
  • the UPF may put the second information into the application data packet (for example, insert IP extension header) is sent to AF.
  • the UPF may also send the second information in other ways, which is not limited in the present invention.
  • steps 304-312 can be repeated in the subsequent prediction period, and/or, if the AF subscribes to the change notification of the estimated QoS, access The network device sends a notification to the AF when the first condition is satisfied, so as to send the changed estimated QoS to the AF.
  • step 313 the AF determines a service processing strategy according to the estimated QoS of the terminal.
  • the AF adjusts the terminal's service processing strategy according to the terminal's estimated QoS, where the service processing strategy may include a service coding strategy, such as the bandwidth ratio between multiple sub-streams of hierarchical coding , the rate of multiple sub-streams, the frame ratio of multiple sub-streams, the code rate of multiple sub-streams, or the encoding algorithm, etc.
  • the service processing strategy may include a service coding strategy, such as the bandwidth ratio between multiple sub-streams of hierarchical coding , the rate of multiple sub-streams, the frame ratio of multiple sub-streams, the code rate of multiple sub-streams, or the encoding algorithm, etc.
  • AF can improve the quality of background streams when the terminal's estimated QoS is high.
  • the AF can transmit the obtained estimated QoS of the terminal to the function, network element, or device that actually handles the service, and the function, network element, or device that actually handles the service according to The estimated QoS of the terminal determines the service processing policy of the terminal.
  • the method shown in FIG. 3 can realize the prediction of the available QoS of the terminal, so that the service processing strategy can be determined according to the estimated QoS of the terminal, which helps to reduce the impact of constantly changing network resources on service transmission in the wireless environment. Thereby improving user experience.
  • the estimated QoS of the terminal may be determined by the data analysis network element.
  • Fig. 4 is another example of the method for transmitting services provided by this application.
  • step 401 the AF sends first information to the data analysis network element.
  • the data analysis network element receives the first information from the AF.
  • the AF sends the first information to the data analysis network element through the NEF.
  • the AF first sends the first information to the NEF, and then the NEF sends the first information to the data analysis network element.
  • the first information is used to request to send the estimated QoS of the terminal to the AF when the first condition is met.
  • the AF may send the foregoing first information to the data analysis network element through a subscription request message.
  • step 201 For the description about the estimated QoS of the terminal and the first information, reference may be made to step 201, which will not be repeated here.
  • the data analysis network element can obtain the information used to determine the estimated QoS of the terminal from the OAM, and/or access network equipment, and/or SMF.
  • OAM access network equipment
  • SMF Access Mobility Management Function
  • Step 402 the data analysis network element sends the third information to the access network device and/or the OAM.
  • the access network device and/or the OAM receives the third message from the data analysis network element.
  • the third message is used to obtain fourth information for determining the estimated QoS of the terminal.
  • Step 403 the access network device and/or the OAM sends the fourth information to the data analysis network element.
  • the fourth information may include at least one of the following: measurement information of the terminal, moving speed of the terminal, moving track of the terminal, information of other service flows of the terminal, load information of access network equipment, and configuration information of the access network equipment at least one of the
  • the information about other service flows of the terminal may include information about the session of the terminal, for example, the QoS flows included in the PDU session of the terminal, and the QoS parameter information of each QoS flow. If there are multiple PDU sessions in the terminal, the data analysis network element can obtain relevant information of the multiple PDU sessions respectively. Different PDU sessions of the terminal may correspond to different SMFs.
  • Step 404 the data analysis network element sends fifth information to the access network device and/or the OAM.
  • the access network device and/or the OAM receives the fifth information from the data analysis network element.
  • the fifth information is used to acquire seventh information for determining the estimated QoS of the terminal.
  • the seventh information may include at least one of the following information: measurement information of the terminal, moving speed of the terminal, moving track of the terminal, load information of the access network device, and configuration information of the access network device.
  • Step 405 the data analysis network element sends sixth information to the SMF.
  • the SMF receives the sixth information from the data analysis network element.
  • the sixth information is used to acquire the eighth information used to determine the estimated QoS of the terminal.
  • the eighth information may include information about other service flows of the terminal.
  • the data analysis network element sends sixth information to the multiple SMFs.
  • Step 406 the access network device and/or the OAM sends the seventh information to the data analysis network element.
  • the data analyzing network element receives the seventh information from the access network device and/or the OAM.
  • Step 407 the SMF sends the eighth information to the data analysis network element.
  • the data analysis network element receives the eighth information from the SMF.
  • the data analysis network element may also obtain information for determining the estimated QoS of the terminal in other manners, which are not limited in this application.
  • step 408 may also be performed.
  • Step 408 the access network device and/or the OAM acquires the measurement information of the terminal.
  • the measurement information of the terminal is used to indicate the signal quality of the signal received by the terminal.
  • the access network device and/or the OAM may notify the terminal to report the measurement information.
  • the measurement information may be measurement information of downlink signals received by the terminal from the cell where the terminal is currently camped on, for example, signal-to-noise ratio and/or signal strength of the downlink signals received by the terminal.
  • the terminal may also periodically report the measurement information to the access network device and/or the OAM.
  • step 408 is an optional step.
  • step 408 may be performed, or step 408 may not be performed.
  • step 408 may be performed, and this application does not limit the timing of performing step 408, and step 408 may be performed before step 403 or step 406 Execute any step.
  • Step 409 the data analysis network element determines the estimated QoS of the terminal.
  • the manner in which the data analysis network element determines the estimated QoS of the terminal is the same as the manner in which the access network device determines the estimated QoS of the terminal. For specific descriptions, reference may be made to the above, and details will not be repeated here.
  • Step 410 the data analysis network element sends the second information to the AF.
  • the AF receives the second information from the data analysis network element.
  • the second information is used to indicate the estimated QoS of the terminal.
  • steps 402-410 may be repeatedly performed in subsequent prediction periods. Or if the relevant information of the terminal and/or the relevant information of the base station is reported only when the relevant preset threshold is met, then steps 402-410 can be repeated subsequently when the relevant preset threshold is met, for example, the signal-to-noise signal indicated by the measurement information of the terminal.
  • the corresponding report message is sent only when the congestion ratio of the access network device reaches a certain threshold and/or the congestion level of the access network device reaches a certain threshold.
  • the data analysis network element sends a notification to the AF when the estimated QoS of the terminal exceeds the change range or is about to exceed the change range, so as to send the changed estimated QoS to AF.
  • the data analysis network element can also allow the access network equipment, OAM or SMF to periodically report the fourth information, the seventh information, or the eighth information, so that the data analysis network element can It is not necessary to send the third information, fifth information or sixth information to the access network device, OAM or SMF every time the predicted QoS needs to be calculated.
  • step 411 the AF determines a service processing policy according to the estimated QoS of the terminal.
  • the AF adjusts the terminal's service processing strategy according to the terminal's estimated QoS, where the service processing strategy may include a service coding strategy, such as the bandwidth ratio between multiple sub-streams of hierarchical coding , the rate of multiple sub-streams, the frame ratio of multiple sub-streams, the code rate of multiple sub-streams, etc., or the encoding algorithm.
  • the service processing strategy may include a service coding strategy, such as the bandwidth ratio between multiple sub-streams of hierarchical coding , the rate of multiple sub-streams, the frame ratio of multiple sub-streams, the code rate of multiple sub-streams, etc., or the encoding algorithm.
  • AF can improve the quality of background streams when the terminal's estimated QoS is high.
  • the AF can transmit the obtained estimated QoS of the terminal to the function, network element, or device that actually handles the service, and the function, network element, or device that actually handles the service according to The estimated QoS of the terminal determines the service processing policy of the terminal.
  • the method shown in Figure 4 can realize the prediction of the available QoS of the terminal, so that the AF can use the estimated QoS service processing strategy of the terminal to help reduce the impact of changing network resources on service transmission in the wireless environment, Thereby improving user experience.
  • Fig. 5 is another example of the method for transmitting services provided by this application.
  • the method shown in FIG. 5 is similar to the method shown in FIG. 4, except that the data analysis network element can obtain the measurement information of the terminal through the SMF and/or PCF.
  • the data analysis network element can be co-located with the SMF or PCF.
  • step 501 the AF sends first information to the data analysis network element.
  • the data analysis network element receives the first information from the AF.
  • the first information is used to request to send the estimated QoS of the terminal to the AF when the first condition is met.
  • the AF may send the foregoing first information to the data analysis network element through a subscription request message.
  • step 201 For the description about the estimated QoS of the terminal and the first information, reference may be made to step 201, which will not be repeated here.
  • Step 502 the data analysis network element sends ninth information to the SMF and/or PCF.
  • the SMF and/or PCF receives the ninth information from the data analysis network element.
  • the ninth information is used to obtain measurement information of the terminal.
  • Step 503 the SMF and/or PCF sends ninth information to the terminal.
  • the terminal receives ninth information from the SMF and/or PCF.
  • the SMF or PCF may instruct the terminal to periodically send measurement information.
  • the SMF or PCF may instruct the terminal to send measurement information when a preset threshold condition is met. For example, when the signal-to-noise ratio of a signal received by the terminal is lower than a preset threshold, the terminal sends measurement information to the SMF and/or PCF. For another example, when the difference between the current signal-to-noise ratio and the last reported signal-to-noise ratio is greater than a preset threshold, the terminal sends measurement information to the SMF and/or PCF. Alternatively, the SMF or PCF instructs the terminal to periodically send measurement information.
  • Step 504 the terminal sends the measurement information of the terminal to the SMF and/or PCF.
  • the SMF and/or PCF receive measurement information from the terminal.
  • Step 505 the SMF and/or PCF sends the measurement information of the terminal to the data analysis network element.
  • the data analysis network element receives the measurement information of the terminal from the SMF and/or PCF.
  • the data analysis network element sends the fifth request information to the terminal through a NAS message, and accordingly, the terminal may send the measurement information of the terminal to the data analysis network element through a NAS message.
  • the above NAS message may be sent to the terminal or the data analysis network element through the SMF or AMF.
  • Step 506 the data analysis network element sends sixth information to the SMF.
  • the SMF receives the sixth information from the data analysis network element.
  • the sixth information is used to acquire the eighth information used to determine the estimated QoS of the terminal.
  • the eighth information may include information about other service flows of the terminal.
  • Step 507 the SMF sends the eighth information to the data analysis network element.
  • the data analysis network element receives the eighth information from the SMF.
  • Step 508 the data analysis network element sends the tenth information to the access network device and/or the OAM.
  • the access network device and/or the OAM receives the tenth information from the data analysis network element.
  • the tenth information is used to obtain eleventh information for determining the estimated QoS of the terminal.
  • the eleventh information may include at least one item of the following information: the moving speed of the terminal, the moving track of the terminal, the load information of the access network equipment, and the configuration information of the access network equipment.
  • the load information of the access network device refers to information of other service flows on the access network device, for example, bandwidth and priority of other service flows.
  • the moving speed and moving track of the terminal may also be acquired locally by the data analysis network element, which is not limited.
  • Step 509 the access network device and/or the OAM sends the eleventh information to the data analysis network element.
  • the data analysis network element receives the eleventh information from the access network device and/or the OAM.
  • the above method of obtaining the information for determining the estimated QoS of the terminal is only an example, and the data analysis network element may also obtain the information for determining the estimated QoS of the terminal in other ways, which are not limited in this application.
  • Step 510 the data analysis network element determines the estimated QoS of the terminal.
  • Step 511 the data analysis network element sends the second information to the AF.
  • the AF receives the second information from the data analysis network element.
  • the second information is used to indicate the estimated QoS of the terminal.
  • step 512 the AF determines a service processing strategy according to the estimated QoS of the terminal.
  • steps 510-512 For the specific implementation manner of the above steps 510-512, reference may be made to steps 409-411, which will not be repeated here.
  • the method shown in Figure 5 can realize the prediction of the available QoS of the terminal, so that the AF can use the estimated QoS service processing strategy of the terminal, which helps to reduce the impact of changing network resources on service transmission in the wireless environment, Thereby improving user experience.
  • Fig. 6 is another example of the method for transmitting services provided by this application.
  • the AF can communicate with the UE through application layer signaling, and directly obtain the estimated QoS of the terminal from the terminal.
  • step 601 the AF sends first information to the terminal.
  • the terminal receives the first information from the AF.
  • the first information is used to request to send the estimated QoS of the terminal to the AF when the first condition is met.
  • step 201 For the description about the estimated QoS of the terminal and the first information, reference may be made to step 201, which will not be repeated here.
  • Step 602 after receiving the first information, the terminal determines the estimated QoS of the terminal.
  • the specific implementation of determining the estimated QoS by the terminal can refer to the implementation manner of determining the estimated QoS of the terminal by the access network device or the data analysis network element above.
  • the difference is that the terminal cannot obtain the load information and configuration information of the access network equipment, so the terminal cannot perform prediction based on the load information and configuration information of the access network equipment when determining the estimated QoS.
  • Step 603 the terminal sends the second information to the AF.
  • the AF receives the second information sent by the terminal.
  • the second information is used to indicate the estimated QoS of the terminal.
  • step 604 the AF determines a service processing strategy according to the estimated QoS of the terminal.
  • the AF determines a service processing strategy according to the estimated QoS of the terminal.
  • step 604 reference may be made to step 312 or 411, which will not be repeated here.
  • the method shown in FIG. 6 can realize the prediction of the available QoS of the terminal, so that the AF can use the estimated QoS service processing strategy of the terminal to help reduce the impact of changing network resources on service transmission in the wireless environment. Thereby improving user experience.
  • the apparatus in FIG. 7 or FIG. 8 includes corresponding hardware structures and/or software modules for performing various functions.
  • the present application can be implemented in the form of hardware or a combination of hardware and computer software with reference to the units and method steps of the examples described in the embodiments disclosed in the present application. Whether a certain function is executed by hardware or computer software drives the hardware depends on the specific application scenario and design constraints of the technical solution.
  • FIG. 7 and FIG. 8 are schematic structural diagrams of possible devices provided by the embodiments of the present application. These apparatuses may be used to realize the functions of the AF or the first communication device in the foregoing method embodiments, and thus also realize the beneficial effects of the foregoing method embodiments.
  • the device 700 includes a transceiver unit 710 and a processing unit 720 .
  • the transceiver unit 710 is used to: send the first information to the first communication device, and the first information is used to request to send the application to the application when the first condition is met
  • the functional network element sends the estimated QoS of the terminal, where the estimated QoS is the QoS that the network can provide for the terminal; and receives second information from the first communication device, where the second information is used to indicate the Estimated QoS, where the estimated QoS is used to determine a service processing policy of the terminal.
  • the first condition includes one or more of the following conditions: the estimated QoS at the predicted target time and/or the target period; the estimated QoS is greater than the first threshold and/or the estimated The QoS is less than the second threshold; the first timer expires, and the first timer is used to control periodic reporting of the estimated QoS of the terminal; the variation of the estimated QoS is greater than a third threshold; and the estimated QoS downgraded or upgraded.
  • the first information includes one or more of the following information: the target time and/or the target time period, the first threshold, the second threshold, the time for reporting the estimated QoS period, the third threshold, and one or more QoS classes.
  • the first information further includes one or more of the following information: a predicted QoS type and information about the first service flow, and the predicted QoS is required for transmitting the first service flow. QoS.
  • the first communication device includes at least one of the following: an access network device, a data analysis network element, a network opening function network element, a policy control function network element, and a terminal.
  • the data analysis network element is NWDAF.
  • the first communication device is the terminal, and the transceiving unit 710 is specifically configured to: send the first information to the terminal through a session management function network element; or send the first information to the terminal through application layer signaling The terminal sends the first information.
  • the first communication device is the terminal, and the transceiving unit 710 is specifically configured to: receive the second information sent by the terminal through a session management function network element; or receive the second information sent by the terminal through an application Layer signaling sends the second information.
  • the first communication device is an access network device
  • the transceiver unit 710 is specifically configured to: receive the user plane function network element and/or session management function network element sent by the access network device. second information.
  • the second information is included in a tunnel header or a message body of a GTP-U data packet.
  • the GTP-U data packet is a dedicated data packet for sending the second information; or, the GTP-U data packet is also used for sending an application data packet.
  • the transceiver unit 710 is used to: receive the first information, the first information is used to request the estimated QoS of the sending terminal when the first condition is satisfied , the estimated QoS is the QoS that the network can provide for the terminal; the transceiver unit 710 or the processing unit 720 is configured to: obtain information for determining the estimated QoS; the processing unit 720 is also configured to: according to the user For determining the estimated QoS information, determine the estimated QoS; the transceiver unit 710 is further configured to: when the first condition is met, send second information, the second information is used to indicate the estimated QoS.
  • the first condition includes one or more of the following conditions: the estimated QoS at the predicted target time and/or the target period; the estimated QoS is greater than the first threshold and/or the estimated The QoS is less than the second threshold; the first timer expires, and the first timer is used to control periodic reporting of the estimated QoS of the terminal; the variation of the estimated QoS is greater than a third threshold; and the estimated QoS downgraded or upgraded.
  • the first information includes one or more of the following information: the target time and/or the target time period, the first threshold, the second threshold, the time for reporting the estimated QoS period, the third threshold, and one or more QoS classes.
  • the first information further includes one or more of the following information: a predicted QoS type and information about the first service flow, and the predicted QoS is required for transmitting the first service flow. QoS.
  • the transceiver unit 710 or the processing unit 720 is further configured to: the first communication device acquires a period for predicting the estimated QoS; the processing unit 720 is specifically configured to: according to the information, and the period of predicting the estimated QoS, to determine the estimated QoS.
  • the transceiving unit 710 is specifically configured to: acquire the period of predicting the estimated QoS according to the first information, where the first information includes the period of predicting the estimated QoS; or,
  • the processing unit 720 is specifically configured to: acquire the period of predicting the estimated QoS according to preconfiguration information.
  • the information for determining the estimated QoS includes at least one of the following information: measurement information of the terminal, moving speed of the terminal, moving track of the terminal, and Information about the second service flow, wherein the measurement information is used to indicate the signal quality of the signal received by the terminal from the access network device.
  • the first communication device includes at least one of the following: an access network device, a data analysis network element, a network opening function network element, a policy control function network element, and the terminal.
  • the data analysis network element is NWDAF.
  • the first communication device is the terminal, and the transceiving unit 710 is specifically configured to: receive the first information from a session management function network element; or receive the first information from an application function network element and/or an application server. the first information.
  • the first communication device is the terminal, and the transceiving unit 710 is specifically configured to: send the second information to a session management function network element; or send the second information to an application function network element and/or an application server the second information.
  • the first communication device is an access network device or a data analysis network element
  • the information for determining the estimated QoS further includes at least one of the following: load information of the access network device, and the Describe the configuration information of the access network device.
  • the first communication device is a data analysis network element
  • the transceiving unit 710 is specifically configured to: acquire the information for determining the estimated QoS from at least one of the following: access network equipment, session management Functional network elements, and operation management and maintenance network elements.
  • the first communication device is an access network device
  • the transceiver unit 710 is specifically configured to: send the first communication device to the application function network element through a user plane function network element and/or a session management function network element. Two information.
  • the second information is included in a tunnel header or a message body of a GTP-U data packet.
  • the GTP-U data packet is a dedicated data packet for sending the second information; or, the GTP-U data packet is also used for sending an application data packet.
  • the device 800 includes a processor 810 and an interface circuit 820 .
  • the processor 810 and the interface circuit 820 are coupled to each other.
  • the interface circuit 820 may be a transceiver or an input/output interface.
  • the device 800 may further include a memory 830 for storing instructions executed by the processor 810, or storing input data required by the processor 810 to execute the instructions, or storing data generated by the processor 810 after executing the instructions.
  • the processor 810 is used to implement the functions of the processing unit 720 described above, and the interface circuit 820 is configured to implement the functions of the transceiver unit 710 described above.
  • the chip When the device 800 is a chip applied to AF, the chip implements the AF function in the above method embodiment.
  • the chip receives information from other modules in the AF (such as radio frequency modules or antennas), and the information is sent to the AF by other devices; or, the chip sends information to other modules in the AF (such as radio frequency modules or antennas), and the information It is sent by AF to other devices.
  • the chip implements the functions of the first communication device in the above method embodiments.
  • the chip receives information from other modules (such as radio frequency modules or antennas) in the first communication device, and the information is sent to the first communication device by other devices; or, the chip sends information to other modules (such as radio frequency modules) in the first communication device. module or antenna) to transmit information, which is transmitted by the first communication device to other devices.
  • processor in the embodiments of the present application may be a central processing unit (central processing unit, CPU), and may also be other general processors, digital signal processors (digital signal processor, DSP), application specific integrated circuits (application specific integrated circuit, ASIC), field programmable gate array (field programmable gate array, FPGA) or other programmable logic devices, transistor logic devices, hardware components or any combination thereof.
  • CPU central processing unit
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • a general-purpose processor can be a microprocessor, or any conventional processor.
  • the method steps in the embodiments of the present application may be implemented by means of hardware, or may be implemented by means of a processor executing software instructions.
  • Software instructions can be composed of corresponding software modules, and software modules can be stored in random access memory, flash memory, read-only memory, programmable read-only memory, erasable programmable read-only memory, electrically erasable programmable read-only Memory, registers, hard disk, removable hard disk, CD-ROM or any other form of storage medium known in the art.
  • An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium.
  • the storage medium may also be a component of the processor.
  • the processor and storage medium can be located in the ASIC. Additionally, the ASIC may be located in the first communication device or in the AF. Of course, the processor and the storage medium may also exist in the first communication device or the AF as discrete components.
  • all or part of them may be implemented by software, hardware, firmware or any combination thereof.
  • software When implemented using software, it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product comprises one or more computer programs or instructions. When the computer program or instructions are loaded and executed on the computer, the processes or functions described in the embodiments of the present application are executed in whole or in part.
  • the computer may be a general purpose computer, a special purpose computer, a computer network, network equipment, user equipment, or other programmable devices.
  • the computer program or instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer program or instructions may be downloaded from a website, computer, A server or data center transmits to another website site, computer, server or data center by wired or wireless means.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer, or a data storage device such as a server or a data center integrating one or more available media.
  • the available medium may be a magnetic medium, such as a floppy disk, a hard disk, or a magnetic tape; it may also be an optical medium, such as a digital video disk; and it may also be a semiconductor medium, such as a solid state disk.
  • “at least one” means one or more, and “multiple” means two or more.
  • “And/or” describes the association relationship of associated objects, indicating that there may be three types of relationships, for example, A and/or B, which can mean: A exists alone, A and B exist simultaneously, and B exists alone, where A, B can be singular or plural.
  • the character “/” generally indicates that the contextual objects are an “or” relationship; in the formulas of this application, the character “/” indicates that the contextual objects are a "division” Relationship.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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Abstract

La présente demande concerne un procédé et un appareil de transmission de service. En particulier, un élément réseau à fonction d'application peut demander une QoS estimée du terminal au dispositif de réseau d'accès, à un élément réseau d'analyse de données ou à un terminal, et le dispositif de réseau d'accès, l'élément réseau d'analyse de données ou le terminal peut déterminer, en fonction de la demande de l'élément réseau à fonction d'application, la QoS estimée du terminal, puis la renvoyer à l'élément réseau à fonction d'application de façon à pouvoir déterminer une politique de traitement de service du terminal en fonction de la QoS estimée du terminal. De cette manière, une réduction de l'influence du changement continu des ressources réseau dans un environnement sans fil sur une transmission de service est facilitée, ce qui permet d'améliorer l'expérience de l'utilisateur.
PCT/CN2022/107868 2021-08-12 2022-07-26 Procédé et appareil de transmission de service WO2023016243A1 (fr)

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