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WO2021163895A1 - Procédé de gestion de modèle de réseau, procédé d'établissement ou de modification de session, et appareil - Google Patents

Procédé de gestion de modèle de réseau, procédé d'établissement ou de modification de session, et appareil Download PDF

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Publication number
WO2021163895A1
WO2021163895A1 PCT/CN2020/075760 CN2020075760W WO2021163895A1 WO 2021163895 A1 WO2021163895 A1 WO 2021163895A1 CN 2020075760 W CN2020075760 W CN 2020075760W WO 2021163895 A1 WO2021163895 A1 WO 2021163895A1
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Prior art keywords
model
model information
network
network element
terminal
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PCT/CN2020/075760
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English (en)
Chinese (zh)
Inventor
许阳
李海涛
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to PCT/CN2020/075760 priority Critical patent/WO2021163895A1/fr
Priority to CN202080086115.0A priority patent/CN114787793A/zh
Publication of WO2021163895A1 publication Critical patent/WO2021163895A1/fr
Anticipated expiration legal-status Critical
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/24—Querying
    • G06F16/248—Presentation of query results

Definitions

  • the embodiments of the present application relate to the field of mobile communication technology, and specifically relate to a method for managing a network model and a method, device, terminal, and network device for establishing or modifying a session.
  • the network side needs to negotiate the use of different network models according to different terminals and requirements, and allocate different data streams according to the work requirements of different terminals. parameter. How to negotiate the network model and how to allocate the relevant parameters of the data stream needs to be resolved.
  • the embodiments of the present application provide a method for managing a network model and a method, device, terminal, and network device for establishing or modifying a session.
  • the terminal sends a first message to a network-side network element, where the first message carries first model information, and the first model information is model information stored by the terminal or requested model information;
  • the terminal receives a second message sent by the network-side network element, where the second message carries second model information, and the second model information is model information allowed by the terminal or configured model information.
  • the network-side network element receives a session establishment or modification request message sent by the terminal, where the session establishment or modification request message carries the second model information;
  • the network-side network element determines a related parameter of at least one data flow corresponding to the session according to the second model information, and the related parameter is used by the network-side network element to establish or modify at least one data flow corresponding to the session.
  • the terminal provided in the embodiment of the present application includes a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the above-mentioned network model management method.
  • the network device provided by the embodiment of the present application includes a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the above-mentioned method for establishing or modifying a session.
  • the chip provided by the embodiment of the present application is used to implement the above-mentioned network model management method and the method of establishing or modifying a session.
  • the chip includes a processor, which is used to call and run a computer program from the memory, so that the device installed with the chip executes the above-mentioned network model management method and the method of establishing or modifying the session.
  • the computer-readable storage medium provided by the embodiment of the present application is used to store a computer program that enables the computer to execute the above-mentioned network model management method and the method of establishing or modifying a session.
  • the computer program product provided by the embodiments of the present application includes computer program instructions that cause the computer to execute the above-mentioned network model management method and the method of establishing or modifying a session.
  • the computer program provided by the embodiment of the present application when it runs on a computer, causes the computer to execute the above-mentioned network model management method and the method of establishing or modifying a session.
  • the terminal and the network side negotiate the model information allowed by the terminal or the configured model information.
  • the network side determines the relevant parameters of the at least one data stream corresponding to the session according to the model information allowed by the terminal, so that the relevant parameters can be used to implement the establishment or modification of the at least one data stream.
  • FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • Figure 2-1 is a schematic diagram of a DNN model provided by an embodiment of the present application.
  • Figure 2-2 is a schematic diagram of a model algorithm provided by an embodiment of the present application.
  • Figure 3-1 is a schematic diagram 1 of an application scenario of the model provided by an embodiment of the present application.
  • Figure 3-2 is a second schematic diagram of an application scenario of the model provided by an embodiment of the present application.
  • FIG. 4 is a schematic flowchart of a network model management method provided by an embodiment of the application.
  • FIG. 5 is a schematic flowchart of a method for establishing or modifying a session provided by an embodiment of the application
  • Fig. 6 is a schematic diagram of a registration request process provided by an embodiment of the application.
  • FIG. 7 is a schematic diagram of a configuration request process provided by an embodiment of the application.
  • FIG. 8 is a flowchart of session establishment using model information provided by an embodiment of the application.
  • FIG. 9 is a schematic diagram of the structural composition of a network model management device provided by an embodiment of the application.
  • FIG. 10 is a schematic structural composition diagram of an apparatus for establishing or modifying a session provided by an embodiment of the application.
  • FIG. 11 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of a chip of an embodiment of the present application.
  • FIG. 13 is a schematic block diagram of a communication system provided by an embodiment of the present application.
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • 5G communication system or future communication system etc.
  • the communication system 100 applied in the embodiment of the present application is shown in FIG. 1.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal 120 (or called a communication terminal or terminal).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with terminals located in the coverage area.
  • the network device 110 may be an evolved base station (Evolutional Node B, eNB, or eNodeB) in an LTE system, or a wireless controller in a cloud radio access network (Cloud Radio Access Network, CRAN), or
  • the network equipment can be a mobile switching center, a relay station, an access point, an in-vehicle device, a wearable device, a hub, a switch, a bridge, a router, a network side device in a 5G network, or a network device in a future communication system, etc.
  • the communication system 100 also includes at least one terminal 120 located within the coverage area of the network device 110.
  • the "terminal” used here includes, but is not limited to, connection via a wired line, such as via a public switched telephone network (PSTN), digital subscriber line (Digital Subscriber Line, DSL), digital cable, and direct cable connection; And/or another data connection/network; and/or via a wireless interface, such as for cellular networks, wireless local area networks (WLAN), digital TV networks such as DVB-H networks, satellite networks, AM-FM A broadcast transmitter; and/or a device of another terminal configured to receive/send communication signals; and/or an Internet of Things (IoT) device.
  • PSTN public switched telephone network
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscribe
  • a terminal set to communicate through a wireless interface may be referred to as a "wireless communication terminal", a “wireless terminal” or a “mobile terminal”.
  • mobile terminals include, but are not limited to, satellite or cellular phones; Personal Communications System (PCS) terminals that can combine cellular radio phones with data processing, fax, and data communication capabilities; can include radio phones, pagers, Internet/intranet PDA with internet access, web browser, memo pad, calendar, and/or Global Positioning System (GPS) receiver; and conventional laptop and/or palmtop receivers or others including radio telephone transceivers Electronic device.
  • PCS Personal Communications System
  • GPS Global Positioning System
  • Terminal can refer to access terminal, user equipment (UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication equipment, user agent or user Device.
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminals in 5G networks, or terminals in the future evolution of PLMN, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • direct terminal connection (Device to Device, D2D) communication may be performed between the terminals 120.
  • the 5G communication system or 5G network may also be referred to as a New Radio (NR) system or NR network.
  • NR New Radio
  • FIG. 1 exemplarily shows one network device and two terminals.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminals. This embodiment of the present application There is no restriction on this.
  • the communication system 100 may also include other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • the devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices.
  • the communication device may include a network device 110 and a terminal 120 with communication functions, and the network device 110 and the terminal 120 may be the specific devices described above, which will not be repeated here; communication
  • the device may also include other devices in the communication system 100, such as other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • AI Agent Intelligence
  • ML Machine Learning
  • AI/ML that is, big data analysis
  • communication networks such as mobile communication networks
  • big data analysis-related functions and network elements such as Network Data Analysis Function (NWDAF) network elements for collection, analysis and formation of value Parameter optimization method.
  • NWDAF Network Data Analysis Function
  • DNN Deep Neural Network
  • RNN Recurrent Neural Network
  • CNN Convolution Neural Network
  • MPL Multilayer Perception
  • the most widely used model is the DNN model.
  • the DNN model is divided according to the location of different layers.
  • the neural network layer inside the DNN model can be divided into three categories: input layer, hidden layer and output layer.
  • the first layer of the DNN model is the input layer
  • the last layer of the DNN model is the output layer
  • the number of layers in the middle of the DNN model are all hidden layers.
  • the input layer needs to use specific algorithms, weight coefficients, constants, etc. to calculate the sample parameters of the input layer to obtain the output result, which is used as the input of the next layer to calculate the result of the lower layer, and finally get the result of the output layer.
  • Figure 2-2 As shown in Figure 2-2,
  • the key to the DNN model is to train the weight coefficients of each layer, and the DNN model is trained through a large number of collected samples (the parameters of the input layer and the results of the output layer) (such as forward propagation and back propagation calculations to continuously iterate out The new weight coefficient), and finally a more ideal weight coefficient can be obtained. In this way, after any subsequent input values, the estimated output value can be obtained through the DNN model.
  • a multi-level AI/ML approach can be considered, that is, the network side and the terminal division of labor for big data analysis.
  • (a) is a centralized scenario, that is, after all terminals report the required data, the big data analysis work is all performed on the network side.
  • (b) is a completely distributed scenario, that is, different terminals analyze the collected data locally.
  • (c) is a hybrid scenario, that is, after the terminal performs a part of the local analysis on the collected data, the result is sent to the network side, and the network side performs further calculation and analysis.
  • the methods (b) and (c) may also introduce data interaction between the terminal and the terminal to complete big data analysis or result sharing.
  • big data analysis can be performed on the terminal, edge server, and cloud server, or it can be performed on only one or two of the three. Therefore, the terminal may allocate different network models and calculation workloads as required, and the calculation is completed within the required time and is successfully sent to the network side.
  • the network side needs to negotiate the use of different network models according to different terminals and requirements, and allocate different data stream related parameters (such as QoS parameters) according to the work requirements of different terminals to ensure reasonable and timely big data analysis results It can be transmitted between the terminal and the network side.
  • the model in the embodiment of the present application refers to a network model, and may also be referred to as an AI/ML model.
  • FIG. 4 is a schematic flowchart of a network model management method provided by an embodiment of the application. As shown in FIG. 4, the network model management method includes the following steps:
  • Step 401 The terminal sends a first message to a network-side network element, where the first message carries first model information, and the first model information is model information stored by the terminal or requested model information.
  • the network-side network element is a core network network element or an access network network element.
  • the core network element may be a core network control plane network element
  • the access network element may be a base station.
  • the technical solutions of the embodiments of the present application can be applied but not limited to 5G networks and 4G networks.
  • implementations of the core network element and the access network element are different.
  • the core network element may be an access management function network element (Access Management Function, AMF), and the access network element may be a gNB.
  • AMF Access Management Function
  • Step 402 The terminal receives a second message sent by the network-side network element, the second message carries second model information, and the second model information is model information allowed by the terminal or configured model information .
  • the negotiation of the network model can be realized but not limited to through a registration process or a radio resource control (Radio Resource Control, RRC) connection establishment process.
  • RRC Radio Resource Control
  • the negotiation of the network model is achieved through a registration process.
  • the first message is a registration request message
  • the second message is a registration request reply message.
  • the negotiation of the network model is implemented through an RRC connection establishment procedure.
  • the first message is an RRC connection establishment complete message
  • the second message is an RRC connection establishment complete reply message.
  • the first message sent by the terminal to the network-side network element carries first model information
  • the first model information is model information stored by the terminal or requested model information.
  • the second message sent by the network-side network element to the terminal carries second model information
  • the second model information is model information allowed by the terminal or configured model information.
  • the following describes the specific implementation of the first model information and the second model information. It should be noted that the following description of the model information can be applied to the first model information or the second model information. Model information.
  • the model information includes the model identification of at least one model.
  • the model identifier is used to identify a complete model.
  • a model corresponds to a model identifier.
  • Model 1 corresponds to ID1
  • Model 2 corresponds to ID2.
  • the model identifier is used to identify a part of a model.
  • a model can correspond to multiple model identifiers, and each model identifier corresponds to a part of the model.
  • a model corresponds to the following two model identifiers: identifier 1, identifier 2.
  • the model includes the following two components: sub-model 1, sub-model 2, where identifier 1 is used to identify sub-model 1, and identifier 2 is used to identify Sub-model 2.
  • the model identification consists of two parts of information.
  • the model identification includes first identification information and second identification information, wherein the first identification information is used to identify a model, and the The second identification information is used to identify a part of the model.
  • the model identification consists of only a part of information.
  • the model identification includes third identification information, and the third identification information is used to identify a part of a model.
  • the model information further includes additional information of the at least one model.
  • the additional information includes at least one of the following: model type, algorithm identification corresponding to the model, business information corresponding to the model, version information of the model, and resource information of the download model.
  • model types include, for example, DNN model, RNN model, CNN model, MPL model, and so on.
  • the business information corresponding to the model includes, for example, a business identifier.
  • the resource information of the download model includes, for example, the IP address of the service server of the download model, the uniform resource locator (URL) of the download model, and so on.
  • each model identifier can store one or more items corresponding to the above additional information.
  • the model identifier and the above additional information One or more items can be interacted as independent parameters.
  • one or more of the above additional information can be directly stored as part of the model identification.
  • the terminal interacts with the network side, one or more of the above additional information Multiple items are interacted as part of the parameters in the model identification.
  • the model information further includes a network identifier corresponding to the at least one model.
  • the model identifier is globally unique; or, the model identifier is unique under a specific network, and the specific network is determined based on the network identifier corresponding to the model identifier.
  • the network identifier is used to indicate that the model identifier is allocated by a specific network; and/or, the network identifier is used to indicate that the model identifier is used under a specific network; wherein, the specific network is based on the network Identification is OK.
  • the model identifier (optionally with additional information) can be allocated by the operator's network (such as allocated by the Public Land Mobile Network (PLMN)), or it can be a non-public network (Non-Public Network). , NPN), or by a service provider (Service Provider, SP), or by other types of networks.
  • PLMN Public Land Mobile Network
  • NPN non-public network
  • SP Service Provider
  • each model identifier can correspond to a network identifier (such as PLMN ID, or NPN ID, or SP ID) to distinguish that the model identifier is allocated (that is, determined) by a specific network.
  • each model identifier may be globally unique or not (for example, unique under a specific network).
  • the network identifier can also limit the terminal to use or report the corresponding model identifier under a specific network.
  • the following introduces several examples of optional model information.
  • the following example takes the model information including the model identifier and the network identifier as an example.
  • the model information may also include other more information, such as one or more attachment information.
  • Model information PLMN ID + model identifier, where the model identifier uniquely identifies a model in the PLMN indicated by the PLMN ID.
  • the model ID and the network ID can be two independent parameters.
  • Model information SP ID + model identifier, where the model identifier uniquely identifies a model in the SP indicated by the SP ID.
  • the model ID and the network ID can be two independent parameters.
  • Model information model identifier
  • the model identifier can be standardized (that is, the model identifier is globally unique), or the model identifier can also be allocated and/or used by the terminal under a specific network (that is, the model The identifier is unique under a specific network).
  • the model identifier may include a network identifier (such as PLMN ID).
  • the model information also includes model capabilities supported by the terminal.
  • model capabilities supported by the terminal include at least one of the following:
  • the computing power of the terminal is the computing power of the terminal.
  • the computing capability of the terminal may refer to the computing capability of the terminal for a specific model or its own computing capability.
  • the computing capability can be described in terms of the time required for calculation or the rate of calculation, which is not described in this embodiment of the application. limited.
  • the base station can broadcast model information through cell broadcast information.
  • the terminal can determine whether to access the cell and the corresponding network (such as the core network) based on the model information. )middle.
  • the access may refer to any one or more of the following: random access, establishment of an RRC connection, registration request, session establishment, and session modification.
  • the session in the embodiment of the present application may, but is not limited to, a protocol data unit (Protocol Data Unit, PDU) session.
  • PDU Protocol Data Unit
  • the first message is a non-access stratum (NAS) message; the first model information is carried in the AS layer and/or NAS layer of the NAS message.
  • NAS non-access stratum
  • the NAS message sent by the terminal includes a NAS layer and an AS layer.
  • the AS layer is read by an access network element (such as a base station), and the NAS layer is directly forwarded by an access network element (such as a base station) to a core network element.
  • the information carried in the AS layer is used for the access network element to determine the core network element, and to send the NAS message to the core network element.
  • the first model information is carried in the NAS layer of the NAS message.
  • the access network element After receiving the NAS message, the access network element directly forwards the NAS message to the core network element.
  • the first model information is carried in the AS layer of the NAS message.
  • the access network element After receiving the NAS message, the access network element reads the AS layer of the NAS message, determines the corresponding core network element according to the information of the AS layer, and forwards the NAS message to the corresponding core network Network element.
  • a part of the first model information is carried in the AS layer of the NAS message, and the other part is carried in the NAS layer of the NAS message.
  • the access network element After receiving the NAS message, the access network element reads the AS layer of the NAS message, determines the corresponding core network element according to the AS layer information, and forwards the NAS message to the corresponding core network Network element.
  • the second model information is determined by a core network element; or, the second model information is determined by a service server.
  • the second model information is determined by a core network element. Specifically, after the core network element receives the NAS message sent by the terminal, it obtains the first model information from the NAS message, and determines which model information in the first model information is allowed to be used or allocates new model information to the terminal ( That is, the second model information).
  • the core network element is AMF.
  • the second model information is determined by the service server. Specifically, after the core network element receives the NAS message sent by the terminal, it obtains the first model information from the NAS message, forwards the first model information to the service server, and the service server determines which of the first model information is The model information allows new model information (that is, the second model information) to be used or allocated to the terminal, and is sent to the core network element.
  • the core network element is AMF.
  • the service server is an SP server or an edge server.
  • the second model information is the same as at least part of the model information in the first model information, that is, the second model information is the core network element or the service server from the first model information Determine the allowed model information.
  • the second model information is different from the first model information, that is, the second model information is model information newly allocated to the terminal by the core network element or the service server.
  • the core network element receives the NAS message sent by the terminal, it obtains the first model information from the NAS message, and forwards the first model information to the dedicated network element, through
  • the dedicated network element stores and manages the relevant parameters of the model, and determines the big data analysis work content of the terminal.
  • the first model information may be contained in a container, which is transparently transmitted from the core network element to the dedicated network element.
  • the core network element is AMF.
  • the dedicated network element is a network data analysis function network element (Network Data Analysis Function NWDAF).
  • the terminal downloads the model content from the service server according to the second model information.
  • the second model information includes resource information of the download model, such as the IP address of the service server that downloads the model, URL information of the download model, and so on.
  • the terminal downloads the model content from the corresponding service server through the user plane according to the resource information of the download model. For example, the terminal obtains the IP address of the service server according to the resource information of the download model, and initiates a download request to the service server, and the service server can send the content of the model to the terminal through the user interface. Or, the service server directly sends the content of the model to the terminal without a request from the terminal.
  • the service server may be a core network network element, an access network network element, or an edge computing server.
  • the model content downloaded by the terminal from the service server can be the complete content of a model or a model. Part of the content.
  • the second model information received by the terminal is model information allowed by the terminal or configured model information.
  • the terminal may use the second model information, for example, use the second model information for user plane connection (such as PDU session) establishment or modification.
  • the terminal stores the second model information after receiving it, but does not use the first model information. Second, model information. If the terminal uses the second model information, it needs to initiate a request again to the network side and carry the model information that needs to be requested.
  • the terminal may use the second model information, for example, use the second model information to perform The establishment or modification of a session.
  • the following describes the process of establishing or modifying a session with reference to Figure 5. It should be noted that the process of establishing or modifying a session can be implemented as an optional solution combined with the solution shown in Figure 4 above, or, to establish or modify The flow of the conversation can also be implemented as an independent solution.
  • FIG. 5 is a schematic flowchart of a method for establishing or modifying a session provided by an embodiment of the application. As shown in FIG. 5, the method for establishing or modifying a session includes the following steps:
  • Step 501 The network-side network element receives the session establishment or modification request message sent by the terminal, and the session establishment or modification request message carries the second model information.
  • the second model information is sent to the terminal by the network-side network element, and the second model information is model information allowed by the terminal. It should be noted that, for the manner in which the terminal obtains the second model information, reference may be made to the related description of step 402 in FIG. 4.
  • the terminal sends a session establishment or modification request message to the network-side network element, and correspondingly, the network-side network element receives the session establishment or modification request message sent by the terminal, wherein the session establishment or modification request message is
  • the request message carries the second model information, and the second model information is used by the network-side network element to establish or modify a session.
  • Step 502 The network-side network element determines the relevant parameter of at least one data stream corresponding to the session according to the second model information, and the relevant parameter is used by the network-side network element to establish or modify at least one corresponding to the session data flow.
  • the related parameters include at least one of the following: QoS parameters of the data stream, binding relationship of the data stream, and filter information corresponding to the data stream.
  • the data flow in the embodiment of the present application may be, but is not limited to, a QoS flow (QoS flow).
  • the second model information is sent by the core network element to the service server, and the second model information is used by the service server to determine the correlation of at least one data stream corresponding to the session Parameters, and send the relevant parameters of the at least one data stream to the core network element.
  • the core network element is AMF.
  • the service server is an SP server or an edge server.
  • the second model information is used for the core network element to determine the relevant parameters of at least one data stream corresponding to the session.
  • the core network element is AMF.
  • the network-side network element after the network-side network element establishes or modifies at least one data stream corresponding to the session, it sends a session establishment or modification request reply message to the terminal, and accordingly, the terminal receives the network-side The session establishment or modification request reply message sent by the network element.
  • the technical solution of the embodiment of the present application realizes that the terminal negotiates with the network side the model information that it is allowed to use.
  • the network side establishes corresponding sessions and corresponding data streams according to the big data analysis work required by the terminal.
  • the technical solutions of the embodiments of the present application can make full use of existing processes and mechanisms, and have little impact on the system.
  • Fig. 6 is a schematic diagram of the registration request process provided by an embodiment of the application.
  • the negotiation of model information can be realized through the registration request process. Specifically, as shown in Fig. 6, the following steps are included:
  • Step 601 The terminal sends a registration request message to the core network element, where the registration request message carries first model information.
  • the terminal sends a registration request message to the core network element through a NAS message.
  • the first model information includes a model identifier of at least one model. Further, optionally, the first model information further includes at least one of the following: additional information of the at least one model, a network identifier corresponding to the at least one model, and model capabilities supported by the terminal.
  • the first model information may be model information stored by the terminal, or model information that the terminal wants to use (that is, requested).
  • the first model information may be model information corresponding to the network where the terminal currently initiates registration, and the first model information may also be reported regardless of the network.
  • the core network element is AMF.
  • Step 602 The core network element determines the second model information allowed to be used, and executes step 605. Or go to step 603.
  • the core network element (such as AMF) receives the first model information, it decides which model information in the first model information is allowed to use or allocates new model information (that is, the second model information) to the terminal.
  • Step 603 The core network element sends the first model information to the service server.
  • the core network element (such as AMF) sends the first model information to the service server, such as the SP server or the edge server.
  • the service server such as the SP server or the edge server.
  • Step 604 The service server determines the second model information allowed to be used, and sends the second model information to the core network element.
  • the service server determines which model information in the first model information is allowed to be used or allocates new model information (that is, the second model information) to the terminal.
  • Step 605 The core network element sends a registration request reply message to the terminal, where the registration request reply message carries the second model information.
  • the second model information is model information allowed by the terminal, and the terminal may use the second model information, for example, using the second model information to establish or modify a session.
  • the second model information is the model information configured by the terminal, and the terminal stores the second model information after receiving the second model information, but does not use the second model information, if the terminal To use the second model information, it is necessary to initiate a registration request to the network side again and carry the requested model information.
  • process shown in FIG. 6 may also include other steps of the registration process, which are not shown here.
  • FIG. 7 is a schematic diagram of a configuration request process provided by an embodiment of the application.
  • the process is that the network side actively pushes or updates model information for the terminal. Specifically, as shown in FIG. 7, it includes the following steps:
  • Step 701 The service server negotiates the second model information to be configured with the core network element.
  • the service server is an SP server or an edge server.
  • the core network element is AMF.
  • the second model information includes a model identifier of at least one model. Further, optionally, the second model information further includes at least one of the following: additional information of the at least one model, and a network identifier corresponding to the at least one model.
  • step 701 may be an optional step in the model information configuration process.
  • Step 702 The core network element sends a configuration request message to the terminal, where the configuration request message carries the second model information.
  • the second model information is model information allowed by the terminal, and the terminal may use the second model information, for example, using the second model information to establish or modify a session.
  • the second model information is the model information configured by the terminal, and the terminal stores the second model information after receiving the second model information, but does not use the second model information, if the terminal To use the second model information, it is necessary to initiate a registration request to the network side and carry the requested model information.
  • Step 703 The terminal sends a configuration request reply message to the core network element.
  • FIG. 8 is a flowchart of session establishment using model information provided by an embodiment of the application.
  • the session establishment process is also applicable to the session modification process. Specifically, as shown in FIG. 8, it includes the following steps:
  • Step 801 The terminal sends a session establishment request message to the core network element, where the session establishment request message carries the second model information, and step 802 or step 804 is performed.
  • the second model information includes a model identifier of at least one model. Further, optionally, the second model information further includes at least one of the following: additional information of the at least one model, and a network identifier corresponding to the at least one model.
  • the second model information may be model information allowed by the terminal issued by the network side to the terminal through the registration request process or the configuration request process in the above solution.
  • Step 802 The core network element sends the second model information to the service server.
  • the core network element is AMF.
  • the service server is an SP server or an edge server.
  • Step 803 The service server determines the relevant parameter of at least one data stream based on the second model information, and sends it to the core network element.
  • the related parameters include at least one of the following: QoS parameters of the data flow, binding relationship of the data flow, and Filter information corresponding to the data flow.
  • QoS parameters of the data flow can be, but is not limited to, a QoS flow.
  • Step 804 The core network element determines at least one related parameter, determines the PCC rule based on the related parameter, and initiates the establishment of the at least one data stream.
  • the establishment of the data stream takes into account the QoS parameters, binding relationships, Filter information, etc. obtained from the model information allowed by the terminal in step 801.
  • the AMF may also determine the corresponding SMF according to the model information allowed by the terminal in step 801, and the SMF may also determine the corresponding UPF accordingly.
  • Step 805 The core network element sends a session establishment request reply message to the terminal.
  • process shown in FIG. 8 may also include other steps of the session establishment process, which are not shown here.
  • FIG. 9 is a schematic diagram of the structural composition of a network model management device provided by an embodiment of the application, which is applied to a terminal.
  • the network model management device includes:
  • the sending unit 901 is configured to send a first message to a network-side network element, where the first message carries first model information, and the first model information is model information stored by the terminal or requested model information;
  • the receiving unit 902 is configured to receive a second message sent by the network-side network element, the second message carrying second model information, and the second model information is model information allowed by the terminal or configured model information .
  • the network-side network element is a core network network element or an access network network element.
  • the model information includes a model identifier of at least one model.
  • the model information further includes additional information of the at least one model.
  • the additional information includes at least one of the following:
  • Model type algorithm identification corresponding to the model, business information corresponding to the model, version information of the model, and resource information of the download model.
  • the model information further includes a network identifier corresponding to the at least one model
  • the model identifier is globally unique; or,
  • the model identifier is unique under a specific network, and the specific network is determined based on the network identifier corresponding to the model identifier.
  • the network identifier is used to indicate that the model identifier is allocated by a specific network.
  • the network identifier is used to indicate that the model identifier is used under a specific network
  • the specific network is determined based on the network identification.
  • the model information further includes model capabilities supported by the terminal.
  • model capabilities supported by the terminal include at least one of the following:
  • the computing power of the terminal is the computing power of the terminal.
  • the first message is a NAS message; the first model information is carried in the AS layer and/or NAS layer of the NAS message.
  • the information carried in the AS layer is used for the access network element to determine the core network element, and to send the NAS message to the core network element.
  • the second model information is the same as at least part of the model information in the first model information; or,
  • the second model information is different from the first model information.
  • the second model information is determined by a core network element; or,
  • the second model information is determined by the service server.
  • the device further includes:
  • the download unit (shown in the figure) is used to download model content from the service server according to the second model information.
  • the first message is a registration request message
  • the second message is a registration request reply message
  • the first message is an RRC connection establishment complete message
  • the second message is an RRC connection establishment complete reply message.
  • the sending unit 901 is further configured to send a session establishment or modification request message to the network-side network element, where the session establishment or modification request message carries the second model information; wherein, the second model information is used for Establishing or modifying a session by the network-side network element;
  • the receiving unit 902 is further configured to receive a session establishment or modification request reply message sent by the network-side network element.
  • the second model information is sent by the core network element to the service server, and the second model information is used by the service server to determine the relevant parameters of at least one data stream corresponding to the session, and Sending the relevant parameters of the at least one data stream to the core network element; or,
  • the second model information is used by the core network element to determine relevant parameters of at least one data stream corresponding to the session.
  • the related parameters include at least one of the following: QoS parameters of the data flow, binding relationship of the data flow, and Filter information corresponding to the data flow.
  • the related parameter is used by the core network element to establish or modify at least one data flow corresponding to the session.
  • FIG. 10 is a schematic diagram of the structural composition of the apparatus for establishing or modifying a session provided by an embodiment of the application, which is applied to a network device.
  • the apparatus for establishing or modifying a session includes:
  • the receiving unit 1001 is configured to receive a session establishment or modification request message sent by a terminal, where the session establishment or modification request message carries second model information;
  • the determining unit 1002 is configured to determine related parameters of at least one data stream corresponding to the session according to the second model information, where the related parameters are used by the network-side network element to establish or modify at least one data stream corresponding to the session.
  • the second model information is sent to the terminal by the network-side network element, and the second model information is model information allowed by the terminal.
  • the related parameters include at least one of the following: QoS parameters of the data flow, binding relationship of the data flow, and Filter information corresponding to the data flow.
  • the second model information is sent by the core network element to the service server, and the second model information is used by the service server to determine the relevant parameters of at least one data stream corresponding to the session, and Sending the relevant parameters of the at least one data stream to the core network element; or,
  • the second model information is used by the core network element to determine relevant parameters of at least one data stream corresponding to the session.
  • FIG. 11 is a schematic structural diagram of a communication device 1100 according to an embodiment of the present application.
  • the communication device may be a terminal or a network device.
  • the communication device 1100 shown in FIG. 11 includes a processor 1110.
  • the processor 1110 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the communication device 1100 may further include a memory 1120.
  • the processor 1110 can call and run a computer program from the memory 1120 to implement the method in the embodiment of the present application.
  • the memory 1120 may be a separate device independent of the processor 1110, or may be integrated in the processor 1110.
  • the communication device 1100 may further include a transceiver 1130, and the processor 1110 may control the transceiver 1130 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the transceiver 1130 may include a transmitter and a receiver.
  • the transceiver 1130 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 1100 may specifically be a network device of an embodiment of the application, and the communication device 1100 may implement the corresponding process implemented by the network device in each method of the embodiment of the application. For the sake of brevity, it will not be repeated here. .
  • the communication device 1100 may specifically be a mobile terminal/terminal according to an embodiment of the present application, and the communication device 1100 may implement corresponding processes implemented by the mobile terminal/terminal in each method of the embodiments of the present application. For the sake of brevity, This will not be repeated here.
  • FIG. 12 is a schematic structural diagram of a chip of an embodiment of the present application.
  • the chip 1200 shown in FIG. 12 includes a processor 1210, and the processor 1210 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 1200 may further include a memory 1220.
  • the processor 1210 can call and run a computer program from the memory 1220 to implement the method in the embodiment of the present application.
  • the memory 1220 may be a separate device independent of the processor 1210, or may be integrated in the processor 1210.
  • the chip 1200 may further include an input interface 1230.
  • the processor 1210 can control the input interface 1230 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the chip 1200 may further include an output interface 1240.
  • the processor 1210 can control the output interface 1240 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can be applied to the mobile terminal/terminal in the embodiment of the present application, and the chip can implement the corresponding process implemented by the mobile terminal/terminal in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the mobile terminal/terminal in each method of the embodiment of the present application.
  • it will not be omitted here Go into details.
  • the chip mentioned in the embodiment of the present application may also be referred to as a system-level chip, a system-on-chip, a system-on-chip, or a system-on-chip, etc.
  • FIG. 13 is a schematic block diagram of a communication system 1300 according to an embodiment of the present application. As shown in FIG. 13, the communication system 1300 includes a terminal 1310 and a network device 1320.
  • the terminal 1310 may be used to implement the corresponding functions implemented by the terminal in the foregoing method
  • the network device 1320 may be used to implement the corresponding functions implemented by the network device in the foregoing method.
  • details are not described herein again.
  • the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability.
  • the steps of the foregoing method embodiments may be completed by hardware integrated logic circuits in the processor or instructions in the form of software.
  • the above-mentioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC application specific integrated circuit
  • FPGA Field Programmable Gate Array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • DDR SDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM, ESDRAM Enhanced Synchronous Dynamic Random Access Memory
  • Synchronous Link Dynamic Random Access Memory Synchronous Link Dynamic Random Access Memory
  • DR RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is to say, the memory in the embodiments of the present application is intended to include, but is not limited to, these and any other suitable types of memory.
  • the embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium can be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the mobile terminal/terminal in each method of the embodiment of the present application, in order to It's concise, so I won't repeat it here.
  • the embodiments of the present application also provide a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program product can be applied to the mobile terminal/terminal in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the mobile terminal/terminal in each method of the embodiment of the present application, for the sake of brevity , I won’t repeat it here.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiment of the present application.
  • the computer program runs on the computer, it causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • I won’t repeat it here.
  • the computer program can be applied to the mobile terminal/terminal in the embodiments of the present application.
  • the computer program runs on the computer, the computer can execute the corresponding methods implemented by the mobile terminal/terminal in the various methods of the embodiments of the present application. For the sake of brevity, the process will not be repeated here.
  • the disclosed system, device, and method can be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of the present application essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory,) ROM, random access memory (Random Access Memory, RAM), magnetic disks or optical disks and other media that can store program codes. .

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Abstract

L'invention concerne un procédé de gestion de modèle de réseau, un procédé d'établissement ou de modification de session, un appareil, un terminal et un dispositif de réseau. Le procédé de gestion de modèle de réseau comprend les étapes suivantes : un terminal envoie un premier message à un élément de réseau côté réseau, le premier message transportant des premières informations de modèle, et les premières informations de modèle étant des informations de modèle stockées par le terminal ou des informations de modèle demandées ; et le terminal reçoit un second message envoyé par l'élément de réseau côté réseau, le second message transportant des secondes informations de modèle, et les secondes informations de modèle étant des informations de modèle permises par le terminal ou des informations de modèle configurées.
PCT/CN2020/075760 2020-02-18 2020-02-18 Procédé de gestion de modèle de réseau, procédé d'établissement ou de modification de session, et appareil Ceased WO2021163895A1 (fr)

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CN202080086115.0A CN114787793A (zh) 2020-02-18 2020-02-18 网络模型的管理方法及建立或修改会话的方法、装置

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