CN117997756A

CN117997756A - Data subscription method and device, computer readable storage medium and electronic equipment

Info

Publication number: CN117997756A
Application number: CN202211369597.8A
Authority: CN
Inventors: 李嘉慧; 刘柳; 陈卓怡; 龙彪; 刘佳一凡
Original assignee: China Telecom Corp Ltd
Current assignee: China Telecom Corp Ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2024-05-07

Abstract

The disclosure relates to a data subscription method and device, a computer readable storage medium and an electronic device, and relates to the technical field of wireless communication and terminals, wherein the method comprises the following steps: receiving subscription basic information sent by a user terminal; subscribing target data required by the user terminal to a network element with a data processing function at a network side according to the subscription basic information; and feeding the target data back to the user terminal. The method and the device solve the problem that the user terminal in the prior art cannot actively subscribe data from the network side.

Description

Data subscription method and device, computer readable storage medium and electronic equipment

Technical Field

The embodiment of the disclosure relates to the technical field of wireless communication and terminals, in particular to a data subscription method, a data subscription device, a computer readable storage medium and electronic equipment.

Background

In 3GPP (3 rd Generation Partnership Project, third generation partnership project) standard protocols, it is proposed to use network data analysis functions for model training and data analysis, and then to provide the analysis results to consumer network elements from which the analysis results are subscribed, to assist the consumer network elements in making decisions.

However, in the above method, the user terminal cannot actively subscribe data to the network side.

It should be noted that the information of the present invention in the above background section is only for enhancing understanding of the background of the present disclosure, and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of Invention

The disclosure aims to provide a data subscription method, a data subscription device, a computer readable storage medium and an electronic device, so as to overcome at least to some extent the problem that a user terminal cannot actively subscribe to a network side due to limitations and defects of related technologies.

According to one aspect of the present disclosure, a data subscription method is provided and configured on a network side, where the data subscription method includes:

receiving subscription basic information sent by a user terminal;

subscribing target data required by the user terminal to a network element with a data processing function at a network side according to the subscription basic information;

And feeding the target data back to the user terminal.

In an exemplary embodiment of the present disclosure, the subscription basic information includes basic information requesting data analysis or basic information requesting feature data;

The basic information for requesting data analysis comprises one or more of program identification of an application program, first address information of a data exposure client, analysis type for requesting data analysis, first analysis filter information determined by a user terminal side and user identification;

The basic information of the request feature data comprises one or more of program identification of an application program, first address information of a data exposure client, data type of the request feature data and user identification.

In an exemplary embodiment of the present disclosure, the subscription basic information includes first basic information or second basic information;

The first basic information comprises basic information for data analysis or basic information for requesting feature data;

the second basic information comprises basic information for data analysis and a data analysis result subscription request for data analysis, or basic information for requesting feature data and a feature data subscription request for obtaining feature data.

In an exemplary embodiment of the present disclosure, receiving subscription basic information sent by a user terminal includes:

receiving first basic information or second basic information sent by a data exposure client side arranged at a user terminal through a non-access layer through a session management function of the network side; or alternatively

And configuring a data exposure application function on the network side, and receiving second basic information sent by a data exposure client arranged at the user terminal through a user plane function through the data exposure application function.

In an exemplary embodiment of the present disclosure, subscribing target data required by a user terminal to a network element having a data processing function at a network side according to the subscription basic information includes:

Authorizing whether an application program corresponding to a program identifier included in first basic information and a user corresponding to the user identifier have data subscription request authority or not according to the first basic information and historical registered information stored in a unified data management network element of a network side through the session management function;

When the application program and the user authorization pass are determined, the configuration information of a network side is fed back to the user terminal through the session management function;

receiving a data subscription request sent by a data exposure client side of a user terminal through a user plane function, wherein the data subscription request is generated by the user terminal according to the configuration information of the network side;

And responding to the data subscription request, sending the subscription request to a data exposure application function through the user plane function, and sending the subscription request to a network element with a data processing function at a network side through the data exposure application function in a direct subscription mode or an indirect subscription mode so as to subscribe target data required by the user terminal.

In an exemplary embodiment of the disclosure, the data subscription request includes a first subscription request to subscribe to the data analysis result and/or a second data subscription request to subscribe to the feature data;

The target data includes target data analysis results and/or target feature data.

In an exemplary embodiment of the present disclosure, the configuration information of the network side includes a plurality of second address information of the data exposure application function, slice information supporting the network access of the user terminal, and second analysis filter information decided by the network side.

In an exemplary embodiment of the present disclosure, subscribing, according to the subscription basic information, target data required by the user terminal to a network element having a data processing function at a network side, further includes:

Authorizing whether an application program corresponding to a program identifier included in second basic information and a user corresponding to a user identifier have data subscription request authority or not according to the second basic information and historical registered information stored in a unified data management network element of a network side through the session management function;

When the application program and the user authorization pass is determined, subscription information is generated according to the second basic information and local configuration information which is preconfigured on the network side and corresponds to the user terminal through a session management function of the network side;

and sending the subscription information to a network element with a data processing function at a network side through the session management function so as to subscribe target data required by the user terminal.

Authorizing whether an application program corresponding to a program identifier included in second basic information and a user corresponding to a user identifier have data subscription request permission or not according to the second basic information and historical registered information stored in a unified data management network element of a network side through an application program exposure function;

When the application program and the user authorization pass are determined, subscription information is generated through an application program exposure function according to the second basic information and local configuration information which is preconfigured on a network side and corresponds to the user terminal;

And the subscription information is sent to a network element with a data processing function at a network side by the data exposure application function in a direct subscription mode or an indirect subscription mode so as to subscribe target data required by the user terminal.

In an exemplary embodiment of the present disclosure, authorizing whether the application corresponding to the program identifier included in the second basic information and the user corresponding to the user identifier have the data subscription request authority includes:

Determining whether an application program corresponding to a program identifier included in the second basic information and a data analysis request initiated by opening the application program by a user corresponding to a user identifier need to be authorized; or alternatively

And determining whether an application program corresponding to the program identifier included in the second basic information and a data acquisition request initiated by opening the application program by a user corresponding to the user identifier need to be authorized.

In an exemplary embodiment of the present disclosure, when the data subscription request is a data analysis result subscription request, the network element of the network side having the data processing function includes a network data analysis function;

When the data subscription request is a characteristic data subscription request, the network element with the data processing function at the network side comprises one or more of a network data analysis function, a user plane function, a policy control function and a session management function.

In an exemplary embodiment of the present disclosure, when the data subscription request is a data analysis result subscription request, subscribing to target data required by the user terminal includes:

Collecting original characteristic data required for generating the target data from other network elements included in the network side according to the subscription information through the network data analysis function;

And carrying out data processing on the original characteristic data through the network data analysis function to obtain the target data.

In an exemplary embodiment of the present disclosure, feeding back the target data to the user terminal includes:

And receiving target data fed back by the network element with the data processing function at the network side through a user plane function, and feeding back the target data to the user terminal through the user plane function.

In an exemplary embodiment of the present disclosure, feeding back the target data to the user terminal further includes:

receiving target data fed back by a network element with a data processing function at the network side through the data exposure application function;

And feeding back the target data to a user plane function through the data exposure application function, and feeding back the target data to the user terminal through the user plane function.

In an exemplary embodiment of the present disclosure, receiving, by the data exposure application function, target data fed back by a network element having a data processing function at the network side, includes:

judging whether the data exposure application function is a credit network element or not;

When the data exposure application function is determined to be a credit network element, receiving target data fed back by the network element with the data processing function at the network side through the data exposure application function;

When the data exposure application function is determined to be a non-credit network element, receiving target data fed back by a network element with a data processing function at the network side through the capability opening function at the network side, and processing the target data;

And feeding the processed target data back to the data exposure application function through the capability opening function.

According to one aspect of the present disclosure, there is provided a data subscription apparatus configured on a network side, the data subscription apparatus including:

The subscription basic information receiving module is used for receiving subscription basic information sent by the user terminal;

the target data subscription module is used for subscribing target data required by the user terminal to the network element with the data processing function at the network side according to the subscription basic information;

and the target data feedback module is used for feeding the target data back to the user terminal.

According to one aspect of the present disclosure, there is provided a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the data subscription method of any one of the above.

According to one aspect of the present disclosure, there is provided an electronic device including:

A processor; and

A memory for storing executable instructions of the processor;

wherein the processor is configured to perform the data subscription method of any one of the above via execution of the executable instructions.

According to the data subscription method provided by the embodiment of the disclosure, on one hand, target data required by a user terminal is subscribed to a network element with a data processing function at a network side according to subscription basic information sent by the user terminal by receiving the subscription basic information; finally, the target data is fed back to the user terminal, so that the user terminal can subscribe the data to the network side, and the problem that the user terminal cannot actively subscribe the data to the network side in the prior art is solved; on the other hand, the user terminal can directly subscribe on the network side, so that the problems of low data processing efficiency and heavy system burden of the user terminal caused by poor processing performance of the user terminal are avoided.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure. It will be apparent to those of ordinary skill in the art that the drawings in the following description are merely examples of the disclosure and that other drawings may be derived from them without undue effort.

Fig. 1 schematically illustrates a flow chart of a data subscription method according to an example embodiment of the present disclosure.

Fig. 2 schematically illustrates an architecture system example diagram of a 5G core network according to an example embodiment of the present disclosure.

Fig. 3 schematically illustrates a block diagram of a data subscription system according to an example embodiment of the present disclosure.

Fig. 4 schematically illustrates a flow chart of a method of subscribing to target data according to an example embodiment of the present disclosure.

Fig. 5 schematically illustrates a flowchart of another method of subscribing to target data according to an example embodiment of the present disclosure.

Fig. 6 schematically illustrates a flowchart of a method of subscribing to yet another target data according to an example embodiment of the present disclosure.

Fig. 7 schematically illustrates a block diagram of a data subscription apparatus according to an example embodiment of the present disclosure.

Fig. 8 schematically illustrates an electronic device for implementing the above-described data subscription method according to an example embodiment of the present disclosure.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the present disclosure. One skilled in the relevant art will recognize, however, that the aspects of the disclosure may be practiced without one or more of the specific details, or with other methods, components, devices, steps, etc. In other instances, well-known technical solutions have not been shown or described in detail to avoid obscuring aspects of the present disclosure.

Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus a repetitive description thereof will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in software or in one or more hardware modules or integrated circuits or in different networks and/or processor devices and/or microcontroller devices.

Currently, a Network element (for example NWDAF, network DATA ANALYTICS Function) having a Network data analysis Function in a core Network can collect data in the Network, perform model training and data analysis, and provide an analysis result to a consumer Network element subscribing to the analysis result, so as to help the consumer Network element make a decision. However, NWDAF only serves the core network element and cannot provide data analysis statistics/prediction services for the UE. Meanwhile, NWDAF can collect data for data analysis to a user terminal (i.e., a client of an application program) by utilizing DCAF (Data Collect Application Fuction, a data collection application function, which may belong to one of the application functions), but the user terminal cannot perform reverse operation through the data collection application function, i.e., the user terminal cannot acquire the data analysis of NWDAF through DCAF; in addition, since the ue often lacks enough computational power resources, it cannot perform a large amount of data analysis by itself, and if the ue can perform data statistics/prediction by means of the computational power provided by NWDAF in the core network when making a decision, it will be helpful for the ue to make a correct selection.

For example, when the user terminal selects URSP (User Equipment Route Selection Policy, user routing policy) rules, if analysis information (eg. slice load level analysis, etc.) provided by NWDAF can be obtained, a better URSP rule is selected, so that user experience is improved and network resources are saved. Meanwhile, the application on the user terminal can also make personalized settings and optimization through data analysis provided by NWDAF.

Further, with the popularization of AI (ARTIFICIAL INTELLIGENCE )/ML (MACHINE LEARNING, machine learning) application, federal learning is one of important scenarios, and is very sensitive to network states, and a UE end needs to make a relevant decision according to the network states. Among the 3GPP R18 passed premises, the AI/ML premises requires that the network expose some information (including NWDAF provided data analysis results and/or other network data, etc.) to assist the user terminal in AI/ML operations. For example, the UE uses the QoS (Quality of Service ) persistence prediction information provided by NWDAF to determine when to perform federal learning, when to perform model transmission, and so on. Therefore, the subscription of the user terminal to NWDAF data analysis/prediction services is a problem to be solved.

Based on this, in this exemplary embodiment, a data subscription method is provided first, where the method may operate on a server where a network side is located, a server cluster, or a cloud server, etc.; of course, those skilled in the art may also operate the methods of the present disclosure on other platforms as desired, which is not particularly limited in the present exemplary embodiment. Specifically, referring to fig. 1, the data subscription method may include the following steps:

S110, receiving subscription basic information sent by a user terminal;

s120, subscribing target data required by a user terminal to a network element with a data processing function at the network side according to the subscription basic information;

and S140, feeding the target data back to the user terminal.

In the data subscription method, on one hand, target data required by the user terminal is subscribed to a network element with a data processing function at a network side according to subscription basic information sent by the user terminal by receiving the subscription basic information; finally, the target data is fed back to the user terminal, so that the user terminal can subscribe the data to the network side, and the problem that the user terminal cannot actively subscribe the data to the network side in the prior art is solved; on the other hand, the user terminal can directly subscribe on the network side, so that the problems of low data processing efficiency and heavy system burden of the user terminal caused by poor processing performance of the user terminal are avoided.

Hereinafter, a data subscription method of an exemplary embodiment of the present disclosure will be explained and illustrated in detail with reference to the accompanying drawings.

First, an application scenario of an exemplary embodiment of the present disclosure is explained and explained. The technical scheme of the embodiment of the application can be applied to a fifth generation (5th generation,5G) system or a New Radio (NR) communication system, and can also be applied to other communication systems possibly occurring in the future, such as a 6G communication system and the like. Meanwhile, the UE according to the present application may refer to a User Equipment (UE), an access terminal, a terminal in V2X communication, a subscriber unit, a subscriber station, a mobile station, a remote terminal, a mobile device, a User terminal, a wireless communication device, a User agent, or a User apparatus. The terminal may also be a cellular telephone, a cordless telephone, a session initiation protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a Personal digital assistant (Personal DIGITAL ASSISTANT, PDA), a handheld device with wireless communication capabilities, a computing device or other processing device connected to a wireless modem, a car-mounted device, a wearable device, a user terminal in a future 5G network or a user terminal in a future evolved public land mobile network (Public Land Mobile Network, PLMN), etc., as embodiments of the present application are not limited in this respect. The terminal may also comprise a V2X device, for example a vehicle or an On Board Unit (OBU) in a vehicle.

The 5G system is described below in conjunction with fig. 2. Specifically, fig. 2 is an exemplary diagram of a 5G system architecture. It should be understood that the 5G system architecture shown in fig. 2 is only an example of a 5G system architecture, and should not be construed as limiting the present application in any way. Referring to fig. 2, the system includes an access and mobility management Function (ACCESS AND mobility Management Function, AMF) 201, a session management Function (Session Management Function, SMF) 202, a radio access network (Radio Access Network, RAN) 203, a Unified data management (Unified DATA MANAGEMENT, UDM) 204, a policy control Function (Policy Control Function, PCF) 205, a User plane Function (User Plane Function, UPF) 206, a User Equipment (User Equipment, UE), a Unified data store (Unified Data Repository, UDR) 207, a capability open Function (Network Exposure Function, NEF) 208, a Direct Discovery domain name management Function (Direct Discovery NAME MANAGEMENT Function, DDNMF) 209, and an application Function (Application Function, AF) 210.

Wherein, the main functions of each network element are described as follows: UDM: for managing subscription data and authentication data of a user; UDR: the system is used for providing storage and retrieval for PCF strategies, storing and retrieving open structured data, storing user information of application function requests and the like; PCF: the method is used for managing network behaviors, providing strategies and rules for a control plane, and generally making strategy decisions according to subscription information and the like; SMF: mainly performing session management, PCF issuing control strategy execution, UPF selection, UE IP address allocation and other functions; AMF: access and mobility related functions such as connection management, mobility management, registration management, access authentication and authorization, reachability management, security context management, etc.; UPF: data packet routing and transmission, packet detection, service amount reporting, qoS processing, legal monitoring, uplink packet detection, downlink data packet storage and other user plane related functions; (R) AN: a (wireless) access network corresponding to different access networks in 5G, such as a wired access mode, a wireless base station access mode and the like; NEF: connecting the core network element with an external application server, and providing services such as authentication, data forwarding and the like when the external application server initiates a service request to the core network; DDNMF: the method is mainly responsible for distributing the ProSe communication discovery parameters, and can be integrated in other network elements when deployed as a logic network element; AF: the application server corresponding to the application can be adopted; UE: service access can be supported; meanwhile, the UE supports receiving or transmitting messages through the PC5 interface. It should be noted that, each network element shown in fig. 2 may be a hardware device, or may be a chip, or may be a software function running on dedicated hardware, or may be a virtualized function instantiated on a platform (for example, a cloud platform). It should also be understood that some network elements shown in fig. 2 may be disposed at the same location (as a hardware device or a software function), or may be disposed separately, which is not limited by the present application.

Next, the objects of the exemplary embodiments of the present disclosure will be explained and illustrated. Specifically, the data subscription method described in the exemplary embodiments of the present disclosure, aiming at the problem that the core network data analysis network element NWDAF and some other network elements in the current 3GPP standard and the prior art can only provide data analysis service and network data for specific network elements such as core network element (AMF, SMF, NSSF, etc.) and AF, but cannot open data analysis service and data for UE, provides a method that the UE sends a request for acquiring network data through a control plane or a corresponding network element in a user plane 5GC, after the network side completes authorization of open data, the corresponding network element sends the requested data through the user plane, helps the UE calculate statistical or predictive information by using the capability of NWDAF in the core network and other information in the network, so that the UE can better make decisions, optimize user experience, save network resources, and ensure data security; in addition, according to the data subscription method disclosed by the example embodiment of the present disclosure, on one hand, the problem that the UE cannot request the data analysis service from NWDAF network elements in the 5GC so as to obtain the data analysis result can be solved; on the other hand, the problem that the UE cannot acquire useful data from other network elements in the 5GC can be solved; on the other hand, the problem of information security possibly caused by opening data to the UE by the 5GC can be solved.

The data subscription system described in the exemplary embodiments of the present disclosure is then explained and illustrated. Specifically, referring to fig. 3, the data subscription system may include a user terminal 310, a data exposure client DEC provided at the user terminal, a user plane function, a network data analysis function 320, and a data exposure application function 330; the data exposure client arranged in the user terminal is in communication connection with the user plane function through a 5GC (5G core,5G core network) network element, and the network data analysis function is in communication connection with the user terminal through the 5GC network element and is in communication connection with the user plane function; the data exposure application function is communicatively coupled to the user terminal via a 5GC network element and is communicatively coupled, directly or indirectly (via a capability open function), to the network data analysis function and to the user plane function.

It should be further noted that the data exposure application function described in the exemplary embodiment of the present disclosure is a logic function that may be deployed on the network side, and is collectively referred to as Data Exposure Application Fuction, which is simply referred to as DEAF; meanwhile, DEAF is an AF (Application Fuction, application function) similar to DCAF (Data Collect Application Fuction, data collection application function); in the actual application process, the data exposure application function can be used for the UE to collect data to the network side; meanwhile, in order to realize the collection of the UE on the network side, a logic function DEC (Data Exposure Client, a data exposure client) corresponding to the data exposure application function needs to be deployed on the UE side, wherein the data exposure client can be deployed by an operator as a network element or is combined with APP CLIENT (application client), and the data exposure client can be used for sending a data subscription request to the DEAF and receiving target data fed back by the network side. In addition, the data exposure application function DEAF and the data exposure client DEC described in the exemplary embodiments of the present disclosure need to be respectively and correspondingly disposed on the network side and the user side, so as to implement the data subscription method described in the exemplary embodiments of the present disclosure.

In a specific application process, the method can be realized in the following two ways: one is, the control plane configures related information and the user plane issues data; that is, configuration of relevant parameters of the UE subscription data, such as slice Information, first ANALYTICS FILTER Information, first address Information of DEAF, etc., may be completed through the control plane; and then, the data subscribed by the UE is issued through the user plane between DEAF and DEC. The other is that the subscription and the issuing of the data are completed through the user plane; that is, there may be operator and/or ASP preconfigured subscription data related parameters in DEF (Data Exposure Fuction, data exposure function) and DEAF according to SLA (SERVICE LEVEL AGREEMENT ) between the operator and ASP (Application Service Provider, operating service provider); then, the user plane between DEC and DEAF is used to complete the data subscription and data distribution.

Hereinafter, the data subscription method shown in fig. 1 will be explained and described in detail with reference to fig. 2 and 3. Specific:

In step S110, subscription basic information transmitted by the user terminal is received.

Specifically, the subscription basic information described herein may include basic information requesting data analysis or basic information requesting feature data; meanwhile, the basic information for requesting data analysis includes a program identifier of an application program, first address information of a data exposure client DEC, analysis type for requesting data analysis, first analysis filter information decided by a user terminal side, a user identifier, and the like; the basic information of the request feature data includes a program identification of the application program, first address information of the data exposure client DEC, a data type of the request feature data, a user identification, and the like; and, the configuration information of the network side includes the second address information of the data exposure application function, the slice information supporting the user terminal to access the network, the user identifier, the second analysis filter information decided by the network side, and so on. The user identifier described herein may be a user identifier that the user terminal logs in on the application program, or may be an identifier that the user terminal itself has, such as a serial number, an IP address, etc. of the user terminal, which is not particularly limited in this example.

It should be noted that, in the process that the user terminal sends the basic information to the network side, the basic information may be determined according to the data required by the current user to the application program on the user terminal and the function selected by the current user by the application program or the result required by the application program to be obtained, which is not limited in this example; the basic information described above may include different basic information in different cases; based on this, for distinction, the first basic information and the second basic information are used to distinguish the basic information in different cases. Further, the first basic information may include basic information for performing data analysis or basic information for requesting feature data; the second basic information comprises basic information for data analysis and a data analysis result subscription request for data analysis, or basic information for requesting feature data and a feature data subscription request for obtaining feature data.

Meanwhile, based on the foregoing, it can be known that in a specific application process, data subscription can be implemented in two ways. Therefore, receiving the subscription basic information sent by the user terminal, and feeding back the configuration information of the network side to the user terminal according to the subscription basic information can also be realized in the following two ways:

Mode one: and receiving the first basic information or the second basic information sent by the data exposure client side arranged at the user terminal through the non-access layer by the session management function SMF of the network side. That is, in a specific application process, the data exposure client (Data Exposure Client, DEC) provided at the user terminal may send the first basic information or the second basic information to the session management function NAF through a Non-Access Stratum (NAS); the first basic information may include a program identifier (Application ID) of the Application program, first address information (DEC addr) of the data exposure client, an analysis type of the requested data analysis, first analysis filter information (ANALYTICS FILTER Infor) decided by the user terminal side, a data type of the requested data, and the like; the second basic information may include a program identification (Application ID) of the Application program, first address information (DEC addr) of the data exposure client, an analysis type of the requested data analysis, first analysis filter information (ANALYTICS FILTER Infor) decided by the user terminal side, a data type of the requested data, and a subscription request of the data analysis result or a subscription request of the feature data.

Mode two: and configuring a data exposure application function on the network side, and receiving second basic information sent by a data exposure client arranged at the user terminal through a user plane function through the data exposure application function. That is, in a specific application process, first, it is necessary to configure a data exposure application function at the network side, and then receive, through the data exposure application function, second basic information that a data exposure client (Data Exposure Client, DEC) provided at the user terminal can send to the session management function NAF through the user plane function UPF.

In step S120, target data required by the user terminal is subscribed to the network element with the data processing function at the network side according to the subscription basic information.

In this example embodiment, subscribing to target data required by a user terminal according to subscription basic information with a network element having a data processing function on a network side may be implemented in three ways as follows:

Mode one: authorizing whether an application program corresponding to a program identifier included in the first basic information and a user corresponding to a user identifier have data subscription request authority or not according to the first basic information and historical registered information stored in a unified data management network element of a network side through the session management function; when the application program and the user authorization pass are determined, the configuration information of a network side is fed back to the user terminal through the session management function; receiving a data subscription request sent by a data exposure client side of a user terminal through a user plane function, wherein the data subscription request is generated by the user terminal according to the configuration information of the network side; and responding to the data subscription request, sending the subscription request to a data exposure application function through a user plane function, and subscribing target data required by a user terminal to a network element with a data processing function at a network side according to the first basic information through the data exposure application function.

In an example embodiment, the data subscription request includes a first subscription request to subscribe to the data analysis result and/or a second data subscription request to subscribe to the feature data; the target data comprises target data analysis results and/or target characteristic data; and, the configuration information of the network side includes second address information of the data exposure application function, slice information supporting the user terminal to perform network access, and second analysis filter information decided by the network side, etc.

In an example embodiment, the subscribing, by the data exposure application function, the target data required by the user terminal to the network element having the data processing function at the network side according to the first basic information may be implemented as follows: generating subscription information according to the first basic information and local configuration information which is preconfigured on a network side and corresponds to the user terminal through the data exposure application function; and the subscription information is sent to a network element with a data processing function at a network side by the data exposure application function in a direct subscription mode or an indirect subscription mode so as to subscribe target data required by the user terminal.

Hereinafter, the specific implementation procedure of the first embodiment will be explained and explained. Specifically, in the actual application process, firstly, the session management function SMF completes authorization with other network elements (for example, may be unified data management UDM network elements) in the 5GC according to the first basic information provided by the user terminal UE, so as to confirm whether the application App of the user and the user can be opened with the data analysis subscription request or the characteristic data subscription request of the application request; further, if the authorization is successful, the configuration information of the network side is returned to the user terminal; if the authorization fails, feeding back failure information; the configuration information of the network side may include second address information (DEAF addr) of the data exposure application function, accessed slice information, second analysis filter information (ANALYTICS FILTER Infor) decided by the network side, and so on; after receiving the configuration information of the network side, the user terminal generates a data subscription request (for example, a subscription request of a data analysis result or a subscription request of feature data, etc.) according to the configuration information of the network side, and exposes application function subscription target data to the data through a user plane function UPF. Meanwhile, in a specific implementation process, the user plane function UPF may request target data from the data exposure application function DEAF, and the DEAF subscribes to the data analysis result or feature data from the network element (e.g. NWDAF or other application functions) having the data processing function in a direct or indirect manner. If DEAF is a credit network element, directly subscribing, and if DEAF is a non-credit network element, indirectly subscribing; the indirect subscription means that the DEAF subscribes to the data analysis result or feature data to NEDAF or other NFs via the capability opening function NEF.

It should be further noted that the above-mentioned historical registered information refers to registered information already in the UDM of the application program and/or the user terminal and/or the user, and the registered information includes authority information of the application program and/or the user terminal and/or the user, such as whether the application program and/or the user terminal and/or the user have authority to request certain data, or whether the application program and/or the user terminal and/or the user have authority to request certain data analysis results, and the like.

Mode two: authorizing whether an application program corresponding to a program identifier included in second basic information and a user corresponding to a user identifier have data subscription request authority or not according to the second basic information and historical registered information stored in a unified data management network element of a network side through the session management function; when the application program and the user authorization pass is determined, subscription information is generated according to the second basic information and local configuration information which is preconfigured on the network side and corresponds to the user terminal through a session management function of the network side; and sending the subscription information to a network element with a data processing function at a network side through the session management function so as to subscribe target data required by the user terminal.

Hereinafter, a specific implementation procedure of the second mode will be explained and explained. Specifically, in the actual application process, firstly, the session management function SMF completes authorization with other network elements (for example, may be unified data management UDM network elements) in the 5GC according to the second basic information provided by the user terminal UE, so as to confirm whether the data analysis subscription request or the feature data subscription request of the application program request can be opened to the application program App of the user; further, if the authorization is successful, the data analysis result or the characteristic data is directly subscribed to NWDAF through the session management function AMF; if the authorization fails, information of the authorization failure is fed back to the user terminal.

Mode three: authorizing whether an application program corresponding to a program identifier included in second basic information and a user corresponding to a user identifier have data subscription request permission or not according to the second basic information and historical registered information stored in a unified data management network element of a network side through an application program exposure function; when the application program and the user authorization are confirmed to pass, subscription information is generated through an application program exposure function according to the basic information and local configuration information which is preconfigured on a network side and corresponds to the user terminal; and the subscription information is sent to a network element with a data processing function at a network side by the data exposure application function in a direct subscription mode or an indirect subscription mode so as to subscribe target data required by the user terminal.

In an example embodiment, the authorization of whether the application program corresponding to the program identifier included in the second basic information and the user corresponding to the user identifier have the data subscription request authority may be implemented as follows: determining whether an application program corresponding to a program identifier included in the second basic information and a data analysis request initiated by opening the application program by a user corresponding to a user identifier need to be authorized; or determining whether the application program corresponding to the program identifier included in the second basic information and the data acquisition request initiated by opening the application program by the user corresponding to the user identifier need to be authorized.

Hereinafter, the specific implementation procedure of the third mode will be explained and explained. Specifically, in the actual application process, first, the data exposure application function DEAF completes authorization with other network elements (for example, may be unified data management UDM network elements) in the 5GC according to the second basic information provided by the user terminal UE, so as to confirm whether the data analysis subscription request or the feature data subscription request requested by the application App of the user can be opened to the application App; further, if the authorization is successful, the DEAF may subscribe to the data analysis result or the feature data from the network element (e.g., NWDAF or other application functions) having the data processing function in a direct or indirect manner. If DEAF is a credit network element, directly subscribing, and if DEAF is a non-credit network element, indirectly subscribing; the indirect subscription means that the DEAF subscribes to the data analysis result or feature data to NEDAF or other NFs via the capability opening function NEF.

In an example embodiment, when the data subscription request is a data analysis result subscription request, the network element of the network side having the data processing function includes a network data analysis function; when the data subscription request is a characteristic data subscription request, the network element with the data processing function at the network side comprises a network data analysis function, a user plane function, a strategy control function, a session management function and the like; when the data subscription request is a data analysis result subscription request, subscribing the target data required by the user terminal can be realized by the following modes: collecting original characteristic data required by generating the target data from other network elements in the network side according to the subscription information through the network data analysis function; and carrying out data processing on the original characteristic data through the network data analysis function to obtain the target data. Specifically, in the actual application process, the specific data acquisition process of the network data analysis function can be realized by the following modes: for example, an information acquisition request can be sent to an edge user plane function, so as to acquire information; the collected information may include traffic information, application information, and allocatable bandwidth resource information, among others. Of course, in the actual application process, the information required for collecting the information collection request may be sent to the corresponding network element according to the actual requirement, which is not particularly limited in this example.

Further, when the data subscription request is a feature data subscription request, the target data required by subscribing to the user terminal can be realized in the following manner: the target data required for subscribing from the network data analysis function and/or the user plane function and/or the policy control function and/or the session management function may be raw feature data which is not processed, or feature data which is processed later, which is not particularly limited in this example.

In step S130, the target data is fed back to the user terminal.

In this exemplary embodiment, the feedback of the target data to the user terminal may be achieved by the following two ways: mode one: receiving target data fed back by a network element with a data processing function at the network side through a user plane function, and feeding back the target data to the user terminal through the user plane function; mode two: receiving target data fed back by a network element with a data processing function at the network side through the data exposure application function; and feeding back the target data to a user plane function through the data exposure application function, and feeding back the target data to the user terminal through the user plane function.

Further, in the process of receiving the target data fed back by the network element with the data processing function at the network side through the data exposure application function, the following manner may be implemented: firstly, judging whether the data exposure application function is a credit network element or not; secondly, when the data exposure application function is determined to be a credit network element, receiving target data fed back by the network element with the data processing function at the network side through the data exposure application function; further, when the data exposure application function is determined to be a non-credit network element, receiving target data fed back by the network element with the data processing function at the network side through the capability opening function at the network side, and processing the target data; and feeding the processed target data back to the data exposure application function through the capability opening function. The specific processing procedure of the capability opening function on the network side to the target data can include, but is not limited to, data desensitization and the like.

So far, the specific subscription process of the user terminal to the target data is realized completely. The data subscription method described in the exemplary embodiments of the present disclosure will be further explained and illustrated with reference to fig. 4, 5, and 6. Specific:

First, referring to fig. 4, in one embodiment, a specific implementation method for subscribing to target data through a session management function may include the following steps:

step S401, UE (DEC) sends first basic information to SMF in core network through NAS;

Step S402, the SMF completes authorization with other network elements (such as UDM) in 5GC according to the basic information provided by the UE, and confirms whether the requested data analysis/data can be opened to the App of the user;

step S403, if the authorization is confirmed to be successful, the configuration information of the network side is fed back to the UE; if the authorization is confirmed to fail, feeding back an authorization failure message to the UE;

Step S404, the UE (DEC) sends a data subscription request to the DEAF through a user plane function according to the network side configuration information;

step S405, the DEAF subscribes to NWDAF or other NF target data directly or indirectly according to the subscription information obtained from the UE side;

Step S406, NWDAF collects data from other network elements according to the subscription information and performs data analysis; the other network elements feed back target data to the DEAF in a direct or indirect mode according to the subscription information feedback result NWDAF or other network elements;

In step S407, the DEAF sends the target data to the UE through the user plane function.

Next, referring to fig. 5, in another embodiment, the specific implementation method for subscribing to target data through the session management function may further include the following steps:

Step S501, UE (DEC) sends second basic information to SMF in core network through NAS;

Step S502, the SMF completes authorization with other network elements (such as UDM) in 5GC according to the basic information provided by the UE, and confirms whether the requested data analysis/data can be opened to the App of the user;

step S503, if the authorization is confirmed to be successful, an authorization success message is returned to the UE, and step S504 is executed; if the authorization is confirmed to fail, feeding back an authorization failure message to the UE;

step S504, the SMF subscribes to NWDAF or other NFs for target data according to using the information provided from the UE side;

step S505, NWDAF collects data from other network elements according to the subscription information and performs data analysis, and the other network elements feed back results according to the subscription information;

step S506, NWDAF or other network elements feed back the target data to the UPF and send the target data to the UE through the user plane function.

Further, referring to fig. 6, a specific implementation method for subscribing to target data through a data exposure application function may include the following steps:

step S601, the UE (DEC) sends second basic information to the data exposure application function through the NAS;

Step S602, DEAF completes authorization with other network elements (such as UDM) in 5GC according to the basic information provided by UE, and confirms whether the data analysis/data requested by the user can be opened to the App of the user;

Step S603, if the authorization is confirmed to be successful, the authorization success information is fed back to the UE; if the authorization is confirmed to fail, feeding back an authorization failure message to the UE;

step S604, the DEAF subscribes to the target data directly or indirectly to NWDAF or other NF according to the subscription information obtained from the UE side and the information preconfigured locally;

step S605, NWDAF collects data from other network elements according to the subscription information and performs data analysis; the other network elements feed back results according to the subscription information;

Step S606, NWDAF or other network elements feed the target data back to the DEAF directly or indirectly;

In step S607, the DEAF sends the target data to the UE through the user plane function.

So far, the data subscription method described in the exemplary embodiments of the present disclosure has been fully implemented. Based on the foregoing, it can be known that the data subscription method according to the exemplary embodiment of the present disclosure can help the UE to utilize the intelligent function and network data of NWDAF in the core network, and the acquisition mode is actively triggered by the UE, that is, the UE can actively request the required data analysis information from the core network according to its own situation, so that the UE is helped to make a more appropriate action, thereby saving network resources; on the other hand, the App on the UE can be assisted to obtain relevant data analysis for the UE from NWDAF, thereby adjusting the UE's behavior; in still another aspect, according to the data subscription method described in the exemplary embodiment of the present disclosure, an authorization flow is provided before the open data of the network side is given to the UE, so that data abuse is avoided, and security of the data and the network is ensured; the problem that the UE requests/subscribes to information from the core network element NWDAF in the current 3GPP standard can be solved, and the blank in the standard is supplemented; meanwhile, the data analysis function of the core network element NWDAF can be opened to the UE, so that the UE can obtain more sufficient information by utilizing the network intelligent function of the core network to make a more appropriate decision.

Hereinafter, a specific application process of the data subscription method described in the present disclosure on the user terminal side will be explained and illustrated with reference to specific example embodiments.

Specifically, in an example embodiment, the disclosure further describes a data subscription method configured at a user terminal side. Specifically, the data subscription method may include: generating a first subscription request associated with data analysis of a network slice according to configuration information of a network side which is preconfigured locally at the user terminal; configuring a data exposure client at the user terminal side, and sending the first subscription request to a data exposure application function through a non-access layer according to second address information in the configuration information of the network side through the data exposure client; receiving first target data corresponding to the first subscription request and fed back by the data exposure application function in response to the first subscription request; wherein the first target data is obtained by any one of the data subscription methods described above; and determining a target slice to be accessed by the user terminal according to the first target data, and selecting a user routing policy rule according to the target slice so as to perform network access based on the user routing policy rule. By the method, NWDAF information can be requested to assist the UE in making a correct decision before the UE makes a decision. For example, when the UE decides which URSP rule to use, it may request NWDAF data analysis on a network slice, decide the slice to which it accesses according to the analysis result, and select an appropriate URSP rule, so as to achieve the purpose of improving the network access speed and improve the internet experience of the user.

In another example embodiment, the disclosure further describes another data subscription method configured at the user terminal side, where the data subscription method may include: generating a second subscription request associated with model training of federal learning according to configuration information of a network side pre-configured at the local of the user terminal; configuring a data exposure client at the user terminal side, and sending the second subscription request to a data exposure application function through a non-access layer according to second address information in the configuration information of the network side through the data exposure client; receiving second target data corresponding to the second subscription request, which is fed back by the data exposure application function in response to the second subscription request; wherein the second target data is obtained by any one of the data subscription methods described above; determining a current network state of the user terminal side according to the second target data, and analyzing the persistence of the service quality of the current network according to the current network state; and determining the number of model training layers and the amount of data which can be transmitted and supported by the user terminal when model training is carried out on the user terminal side according to the persistence analysis result, and carrying out model training based on federal learning according to the number of model training layers and the amount of data which can be transmitted. According to the method, under the AI/ML scene, the UE needs to request network state change conditions, such as QoS persistence analysis and the like, from NWDAF and other network elements so that the UE can determine the number of layers and the transmitted data volume for model training locally, other services are prevented from being influenced, and the purpose of improving the model training efficiency is achieved.

In a third exemplary embodiment, the present disclosure further describes another data subscription method configured on the user terminal side, where the data subscription method may include: generating a third subscription request associated with network service quality according to configuration information of a network side which is preconfigured locally at the user terminal; configuring a data exposure client at the user terminal side, and sending the third subscription request to a data exposure application function through a non-access layer according to second address information in the configuration information of the network side by the data exposure client; receiving third target data corresponding to the third subscription request, which is fed back by the data exposure application function in response to the third subscription request; wherein the third target data is obtained by any one of the data subscription methods described above; and carrying out analysis and prediction on the service quality data according to the third target data, and carrying out network switching according to analysis and prediction results. According to the method, under an automatic driving scene, the UE subscribes QoS data analysis and prediction to NWDAF, and reacts in advance before QoS is poor, so that a path can be accurately planned in the automatic driving process, and the collision problem is avoided.

It should be noted that the data subscription method described in the exemplary embodiments of the present disclosure is not limited to the above-described several ways; in the actual application process, the data subscription can be performed in other modes; of course, it may also be applied in other scenarios where data needs to be subscribed from the network side, which is not particularly limited in this example.

So far, the specific application scenario of the data subscription method described in the exemplary embodiment of the present disclosure has also been completed. Based on the foregoing, it can be known that the data subscription method in the exemplary embodiment of the disclosure can help the UE to provide the data statistics/prediction information to the UE by using the network intellectualization function of the core network element NWDAF, so that the UE can make a more suitable selection, for example, select a slice with a small access load, and thus save network resources; on the other hand, as a research use scene of the current hot spot, the federation learning needs to be assisted by an operator to complete a network framework supporting federation learning, so that the aim of improving the training efficiency of a model is fulfilled; in another aspect, in consideration of security issues, network information cannot be fully exposed to the UE, and the data subscription method described in the present disclosure can help the UE obtain more information to make decisions, and does not expose excessive information to the UE.

The exemplary embodiment of the disclosure also provides a data subscription device configured at the network side. Specifically, referring to fig. 7, the data subscription apparatus may include a subscription basic information receiving module 710, a target data subscription module 720, and a target data feedback module 730. Wherein:

the subscription basic information receiving module 710 may be configured to receive subscription basic information sent by a user terminal;

the target data subscription module 720 may be configured to subscribe, according to the subscription basic information, target data required by a user terminal to a network element having a data processing function on the network side;

and a target data feedback module 730, configured to feed back the target data to the user terminal.

In the data subscribing device, on one hand, target data required by the user terminal is subscribed to a network element with a data processing function at a network side by receiving subscription basic information sent by the user terminal and according to the subscription basic information; finally, the target data is fed back to the user terminal, so that the user terminal can subscribe the data to the network side, and the problem that the user terminal cannot actively subscribe the data to the network side in the prior art is solved; on the other hand, the user terminal can directly subscribe on the network side, so that the problems of low data processing efficiency and heavy system burden of the user terminal caused by poor processing performance of the user terminal are avoided.

In an exemplary embodiment of the present disclosure, the subscription basic information includes basic information requesting data analysis or basic information requesting feature data; the basic information for requesting data analysis comprises one or more of program identification of an application program, first address information of a data exposure client, analysis type for requesting data analysis, first analysis filter information determined by a user terminal side, a data analysis subscription request and a user identification; the basic information of the request feature data comprises one or more of program identification of an application program, first address information of a data exposure client, first analysis filter information decided by a user terminal side, data type of the request feature data, data subscription request and user identification.

In an exemplary embodiment of the present disclosure, the subscription basic information includes first basic information or second basic information; the first basic information comprises basic information for data analysis or basic information for requesting feature data; the second basic information comprises basic information for data analysis and a data analysis result subscription request for data analysis, or basic information for requesting feature data and a feature data subscription request for obtaining feature data.

In an exemplary embodiment of the present disclosure, receiving subscription basic information sent by a user terminal includes: receiving first basic information or second basic information sent by a data exposure client side arranged at a user terminal through a non-access layer through a session management function of the network side; or configuring a data exposure application function on the network side, and receiving second basic information sent by a data exposure client arranged at the user terminal through a user plane function through the data exposure application function.

Authorizing whether an application program corresponding to a program identifier included in first basic information and a user corresponding to the user identifier have data subscription request authority or not according to the first basic information and historical registered information stored in a unified data management network element of a network side through the session management function; when the application program and the user authorization pass are determined, the configuration information of a network side is fed back to the user terminal through the session management function; receiving a data subscription request which is generated by a user terminal according to the configuration information of the network side and is sent by a data exposure client side arranged at the user terminal through a non-access layer through a user plane function; and responding to the data subscription request, sending the subscription request to a data exposure application function through the user plane function, and sending the subscription request to a network element with a data processing function at a network side through the data exposure application function in a direct subscription mode or an indirect subscription mode so as to subscribe target data required by the user terminal.

In an exemplary embodiment of the disclosure, the data subscription request includes a first subscription request to subscribe to the data analysis result and/or a second data subscription request to subscribe to the feature data; the target data includes target data analysis results and/or target feature data.

In an exemplary embodiment of the present disclosure, subscribing, according to the subscription basic information, target data required by the user terminal to a network element having a data processing function at a network side, further includes: authorizing whether an application program corresponding to a program identifier included in second basic information and a user corresponding to a user identifier have data subscription request authority or not according to the second basic information and historical registered information stored in a unified data management network element of a network side through the session management function; when the application program and the user authorization pass is determined, subscription information is generated according to the second basic information and local configuration information which is preconfigured on the network side and corresponds to the user terminal through a session management function of the network side; and sending the subscription information to a network element with a data processing function at a network side through the session management function so as to subscribe target data required by the user terminal.

In an exemplary embodiment of the present disclosure, subscribing, according to the subscription basic information, target data required by the user terminal to a network element having a data processing function at a network side, further includes: authorizing whether an application program corresponding to a program identifier included in second basic information and a user corresponding to a user identifier have data subscription request permission or not according to the second basic information and historical registered information stored in a unified data management network element of a network side through an application program exposure function; when the application program and the user authorization pass are determined, subscription information is generated through an application program exposure function according to the second basic information and local configuration information which is preconfigured on a network side and corresponds to the user terminal; and the subscription information is sent to a network element with a data processing function at a network side by the data exposure application function in a direct subscription mode or an indirect subscription mode so as to subscribe target data required by the user terminal.

In an exemplary embodiment of the present disclosure, authorizing whether the application corresponding to the program identifier included in the second basic information and the user corresponding to the user identifier have the data subscription request authority includes: determining whether an application program corresponding to a program identifier included in the second basic information and a data analysis request initiated by opening the application program by a user corresponding to a user identifier need to be authorized; or determining whether the application program corresponding to the program identifier included in the second basic information and the data acquisition request initiated by opening the application program by the user corresponding to the user identifier need to be authorized.

In an exemplary embodiment of the present disclosure, when the data subscription request is a data analysis result subscription request, the network element of the network side having the data processing function includes a network data analysis function; when the data subscription request is a characteristic data subscription request, the network element with the data processing function at the network side comprises one or more of a network data analysis function, a user plane function, a policy control function and a session management function.

In an exemplary embodiment of the present disclosure, when the data subscription request is a data analysis result subscription request, subscribing to target data required by the user terminal includes: collecting original characteristic data required for generating the target data from other network elements included in the network side according to the subscription information through the network data analysis function; and carrying out data processing on the original characteristic data through the network data analysis function to obtain the target data.

In an exemplary embodiment of the present disclosure, feeding back the target data to the user terminal includes: and receiving target data fed back by the network element with the data processing function at the network side through a user plane function, and feeding back the target data to the user terminal through the user plane function.

In an exemplary embodiment of the present disclosure, feeding back the target data to the user terminal further includes: receiving target data fed back by a network element with a data processing function at the network side through the data exposure application function; and feeding back the target data to a user plane function through the data exposure application function, and feeding back the target data to the user terminal through the user plane function.

In an exemplary embodiment of the present disclosure, receiving, by the data exposure application function, target data fed back by a network element having a data processing function at the network side, includes: judging whether the data exposure application function is a credit network element or not; when the data exposure application function is determined to be a credit network element, receiving target data fed back by the network element with the data processing function at the network side through the data exposure application function; when the data exposure application function is determined to be a non-credit network element, receiving target data fed back by a network element with a data processing function at the network side through the capability opening function at the network side, and processing the target data; and feeding the processed target data back to the data exposure application function through the capability opening function.

The specific details of each module in the above data subscription apparatus are described in detail in the corresponding data subscription method, so that the details are not repeated here.

It should be noted that although in the above detailed description several modules or units of a device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functionality of two or more modules or units described above may be embodied in one module or unit in accordance with embodiments of the present disclosure. Conversely, the features and functions of one module or unit described above may be further divided into a plurality of modules or units to be embodied.

Furthermore, although the steps of the methods in the present disclosure are depicted in a particular order in the drawings, this does not require or imply that the steps must be performed in that particular order, or that all illustrated steps be performed, to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step to perform, and/or one step decomposed into multiple steps to perform, etc.

In an exemplary embodiment of the present disclosure, an electronic device capable of implementing the above method is also provided.

Those skilled in the art will appreciate that the various aspects of the present disclosure may be implemented as a system, method, or program product. Accordingly, various aspects of the disclosure may be embodied in the following forms, namely: an entirely hardware embodiment, an entirely software embodiment (including firmware, micro-code, etc.) or an embodiment combining hardware and software aspects may be referred to herein as a "circuit," module "or" system.

An electronic device 800 according to such an embodiment of the present disclosure is described below with reference to fig. 8. The electronic device 800 shown in fig. 8 is merely an example and should not be construed to limit the functionality and scope of use of embodiments of the present disclosure in any way.

As shown in fig. 8, the electronic device 800 is embodied in the form of a general purpose computing device. Components of electronic device 800 may include, but are not limited to: the at least one processing unit 810, the at least one storage unit 820, a bus 830 connecting the different system components (including the storage unit 820 and the processing unit 810), and a display unit 840.

Wherein the storage unit stores program code that is executable by the processing unit 810 such that the processing unit 810 performs steps according to various exemplary embodiments of the present disclosure described in the above section of the present specification. For example, the processing unit 810 may perform step S110 as shown in fig. 1: receiving subscription basic information sent by a user terminal; step S13020: subscribing target data required by a user terminal to a network element with a data processing function at the network side according to the subscription basic information; step S130: and feeding the target data back to the user terminal.

The storage unit 820 may include readable media in the form of volatile storage units, such as Random Access Memory (RAM) 8201 and/or cache memory 8202, and may further include Read Only Memory (ROM) 8203.

Storage unit 820 may also include a program/utility 8204 having a set (at least one) of program modules 8205, such program modules 8205 including, but not limited to: an operating system, one or more application programs, other program modules, and program data, each or some combination of which may include an implementation of a network environment.

Bus 830 may be one or more of several types of bus structures including a memory unit bus or memory unit controller, a peripheral bus, an accelerated graphics port, a processing unit, or a local bus using any of a variety of bus architectures.

The electronic device 800 may also communicate with one or more external devices 900 (e.g., keyboard, pointing device, bluetooth device, etc.), one or more devices that enable a user to interact with the electronic device 800, and/or any device (e.g., router, modem, etc.) that enables the electronic device 800 to communicate with one or more other computing devices. Such communication may occur through an input/output (I/O) interface 850. Also, electronic device 800 may communicate with one or more networks such as a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the Internet, through network adapter 860. As shown, network adapter 860 communicates with other modules of electronic device 800 over bus 830. It should be appreciated that although not shown, other hardware and/or software modules may be used in connection with electronic device 800, including, but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, data backup storage systems, and the like.

From the above description of embodiments, those skilled in the art will readily appreciate that the example embodiments described herein may be implemented in software, or may be implemented in software in combination with the necessary hardware. Thus, the technical solution according to the embodiments of the present disclosure may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (may be a CD-ROM, a U-disk, a mobile hard disk, etc.) or on a network, including several instructions to cause a computing device (may be a personal computer, a server, a terminal device, or a network device, etc.) to perform the method according to the embodiments of the present disclosure.

In an exemplary embodiment of the present disclosure, a computer-readable storage medium having stored thereon a program product capable of implementing the method described above in the present specification is also provided. In some possible implementations, various aspects of the disclosure may also be implemented in the form of a program product comprising program code for causing a terminal device to carry out the steps according to the various exemplary embodiments of the disclosure as described in the "exemplary methods" section of this specification, when the program product is run on the terminal device.

A program product for implementing the above-described method according to an embodiment of the present disclosure may employ a portable compact disc read-only memory (CD-ROM) and include program code, and may be run on a terminal device, such as a personal computer. However, the program product of the present disclosure is not limited thereto, and in this document, a readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.

The program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium can be, for example, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium would include the following: an electrical connection having one or more wires, a portable disk, a hard disk, random Access Memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

The computer readable signal medium may include a data signal propagated in baseband or as part of a carrier wave with readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A readable signal medium may also be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.

Program code embodied on a readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.

Program code for carrying out operations of the present disclosure may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C++ or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's terminal, as a stand-alone software package, partly on the user's computing device and partly on a remote computing device or entirely on the remote computing device or server. In the case of remote computing devices, the remote computing device may be connected to the user computing device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computing device (e.g., connected via the Internet using an Internet service provider).

Furthermore, the above-described figures are only schematic illustrations of processes included in the method according to the exemplary embodiments of the present disclosure, and are not intended to be limiting. It will be readily appreciated that the processes shown in the above figures do not indicate or limit the temporal order of these processes. In addition, it is also readily understood that these processes may be performed synchronously or asynchronously, for example, among a plurality of modules.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

Claims

1. The data subscription method is characterized by being configured on a network side, and comprises the following steps:

receiving subscription basic information sent by a user terminal;

And feeding the target data back to the user terminal.

2. The data subscription method according to claim 1, wherein the subscription basic information includes basic information requesting data analysis or basic information requesting feature data;

3. The data subscription method according to claim 1, wherein the subscription basic information includes first basic information or second basic information;

4. The method for subscribing data according to claim 1, wherein receiving subscription basic information sent by a user terminal includes:

5. The data subscription method according to claim 1, wherein subscribing the target data required by the user terminal to the network element having the data processing function at the network side according to the subscription basic information, comprises:

6. The data subscription method according to claim 5, wherein the data subscription request includes a first subscription request for subscribing to the data analysis result and/or a second data subscription request for subscribing to the feature data;

7. The method according to claim 5, wherein the configuration information of the network side includes a plurality of second address information of a data exposure application function, slice information supporting network access of the user terminal, and second analysis filter information decided by the network side.

8. The method for subscribing to data according to claim 1, wherein target data required by a user terminal is subscribed to a network element having a data processing function on a network side according to the subscription basic information, further comprising:

9. The method for subscribing to data according to claim 1, wherein target data required by a user terminal is subscribed to a network element having a data processing function on a network side according to the subscription basic information, further comprising:

10. The data subscription method according to claim 8 or 9, wherein authorizing whether the application corresponding to the program identifier included in the second basic information and the user corresponding to the user identifier have the data subscription request authority, comprises:

11. The method according to any one of claims 5 to 9, wherein when the data subscription request is a data analysis result subscription request, the network element of the network side having the data processing function includes a network data analysis function;

12. The data subscription method according to claim 11, wherein when the data subscription request is a data analysis result subscription request, subscribing to target data required by the user terminal comprises:

13. The data subscription method according to claim 1, wherein feeding back the target data to the user terminal comprises:

14. The data subscription method according to claim 1, wherein feeding back the target data to the user terminal, further comprises:

15. The method for subscribing to data according to claim 14, wherein receiving, by the data exposure application function, target data fed back by a network element having a data processing function on the network side, includes:

16. A data subscription apparatus, configured on a network side, the data subscription apparatus comprising:

17. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the data subscription method of any one of claims 1-15.

18. An electronic device, comprising:

A processor; and

A memory for storing executable instructions of the processor;

wherein the processor is configured to perform the data subscription method of any one of claims 1-15 via execution of the executable instructions.