Autonomous controllable core network networking system

Abstract

The utility model discloses an autonomous controllable core network networking system, which comprises UE (User Equipment), a core network element and a signaling acquisition device, uE establishes connection with a base station of a network through a wireless interface, the base station transmits signaling and data of the UE to a network element of a core network, the network element of the core network processes the signaling and interacts with a signaling acquisition device, and the signaling acquisition device collects and analyzes the signaling data transmitted from the network element; the core network element comprises an AMF network element, an SMF network element, a UPF network element, a UDM network element, an AUSF network element, a PCF network element, an NEF network element, an NSSF network element and an NRF network element. According to the utility model, high-efficiency, flexible and safe network services can be provided through the joint work of a highly coordinated mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to core network networking technical field, especially a kind of self-controllable core network networking system. BACKGROUND

[0002] In order to meet the growing demand for data and the expected growth of Internet of Things connection, mobile networks continue to evolve, and the core architecture of mobile networks needs to be redesigned to achieve a scalable solution. In view of the existing networking architecture, a self-controllable core network networking system is needed. SUMMARY

[0003] The utility model aims at at least in certain extent solve one of the technical problems in relevant technical field.

[0004] To this end, one purpose of the utility model is to propose a self-controllable core network networking system, which is customized according to specific needs and strategies to achieve higher flexibility and control capability, and to achieve rapid networking.

[0005] To achieve the above purpose, an embodiment of the utility model proposes a self-controllable core network networking system, which comprises a UE, a core network element and a signaling collection device. The UE establishes a connection with the base station of the network through a wireless interface, the base station transmits the signaling and data of the UE to the core network element, the core network element processes the signaling and interacts with the signaling collection device, and the signaling collection device collects and analyzes the signaling data transmitted from the network element. The core network element comprises AMF, SMF, UPF, UDM, AUSF, PCF, NEF, NSSF and NRF network elements. The UE is connected to the AMF, the AMF interacts with the UDM to obtain user authentication information, the AMF communicates with the AUSF during the user authentication process, the SMF cooperates with the AMF after successful user authentication, the SMF configures the UPF according to the session requirements, the PCF interacts with the SMF to apply policy rules, the NEF interacts with the UPF and the PCF to support third-party services, the NSSF selects the most suitable network slice according to user requirements and strategies, and the NRF is a registration and discovery point of network functions.

[0006] In addition, the self-controllable core network networking system according to the above embodiment of the utility model can also have the following additional technical features:

[0007] Further, in an embodiment of the utility model, the AMF connected to the UE is the entry point of the user equipment to access the network.

[0008] The AMF connected to the UDM obtains user identity information and authentication information from the UDM.

[0009] The AMF connected to the AUSF interacts with the AUSF during the user authentication process.

[0010] The AMF is connected with the SMF and cooperates with the SMF to manage establishment and maintenance of the session.

[0011] Further, in an embodiment of the utility model, the SMF connected with the AMF establishes and manages the session through user information provided by the AMF;

[0012] The SMF connected with the UPF is used for configuring the UPF to forward user data;

[0013] The SMF connected with the PCF manages the session according to policy rules provided by the PCF.

[0014] Further, in an embodiment of the utility model, the UPF connected with the SMF forwards user data according to configuration of the SMF;

[0015] The UPF connected with the NEF interacts with the NEF to support third-party application access to user data.

[0016] Further, in an embodiment of the utility model, the UDM connected with the AMF provides user identity and authentication information;

[0017] The UDM connected with the AUSF provides user authentication information.

[0018] Further, in an embodiment of the utility model, the AUSF connected with the AMF provides user authentication service;

[0019] The AUSF connected with the UDM acquires user authentication information.

[0020] Further, in an embodiment of the utility model, the PCF connected with the SMF provides session policy control,

[0021] The PCF connected with the NEF adjusts policy according to requirements of third-party application.

[0022] Further, in an embodiment of the utility model, the NEF connected with the UPF supports third-party application access to user data;

[0023] The NEF connected with the PCF adjusts access right of third-party application according to policy.

[0024] Further, in an embodiment of the utility model, the NSSF connected with the AMF provides network slice selection service.

[0025] The NSSF connected with the SMF configures session according to network slice requirement.

[0026] Further, in one embodiment of the present application, the NRF is connected with other network element components, and serves as a registration and discovery point of network functions, allowing other network functions to discover and use other components.

[0027] The self-controllable core network networking system of the present application has the advantages of high efficiency and low cost.

[0028] The additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0029] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of embodiments, taken in conjunction with the accompanying drawings, in which:

[0030] Figure 1 Fig. 1 is a structural schematic diagram of a self-controllable core network networking system according to one embodiment of the present application.

[0031] Figure 2 Fig. 2 is a structural schematic diagram of a core network element according to one embodiment of the present application. DETAILED DESCRIPTION

[0032] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, in which the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and should not be understood as limiting the present application.

[0033] The self-controllable core network networking system according to the embodiments of the present application will be described below with reference to the drawings.

[0034] Figure 1 Fig. 1 is a structural schematic diagram of a self-controllable core network networking system according to one embodiment of the present application.

[0035] As Figure 1As shown, the autonomous controllable core network networking system 10 includes a UE 100, a core network element 200, and a signaling collection device 300. The UE 100 establishes a connection with the base station of the network through a wireless interface, the base station transmits the signaling and data of the UE to the core network element 200, the core network element processes the signaling, and interacts with the signaling collection device 300, the signaling collection device 300 collects and analyzes the signaling data transmitted from the network element; the core network element 200 includes AMF, SMF, UPF, UDM, AUSF, PCF, NEF, NSSF and NRF network elements; the UE is connected with the AMF, the AMF interacts with the UDM to obtain user authentication information, the AMF communicates with the AUSF in the user authentication process, the SMF cooperates with the AMF after the user authentication succeeds, the SMF configures the UPF according to the session requirement, the PCF interacts with the SMF to apply the policy rule, the NEF interacts with the UPF and the PCF to support third-party services, the NSSF selects the most suitable network slice according to the user requirement and the policy, and the NRF is a registration and discovery point of network functions.

[0036] In an embodiment of the present application, the UE 100 refers to a user equipment, usually refers to a mobile device such as a smartphone, a tablet computer, a notebook computer, etc., which is a terminal device for users to interact with the network. The UE is connected with the network through a wireless interface to perform data transmission, voice communication and other activities. The UE usually contains various hardware and software components to support different communication standards and protocols.

[0037] In an embodiment of the present application, the signaling collection device 300 is a device or system for monitoring and collecting network signaling data. It can help network operators analyze network performance, identify problems and bottlenecks, and optimize network configuration. The signaling collection device can collect various signaling information such as signaling data during call setup, maintenance and release.

[0038] In an embodiment of the present application, the network element refers to each device or system that constitutes a communication network, which can be a switch, a router, a base station, a core network device, etc. The present application mainly refers to the core network element 200. Each network element plays a specific role in the network and is responsible for tasks such as data transmission, routing, signaling processing, etc. Network elements are connected with each other through various interfaces and protocols, and work together to provide communication services.

[0039] Thus, the UE 100 of the present application establishes a connection with the base station (a network element) of the network through a wireless interface. The base station transmits the signaling and data of the UE to the corresponding network element of the core network, such as AMF, SMF, etc. The core network element 200 processes the signaling, establishes and maintains the communication session, and may interact with the signaling collection device to monitor the network performance. The signaling collection device 300 collects and analyzes the signaling data transmitted from the network element, and provides the basis for network optimization for the network operator.

[0040] Figure 2 The network element structure diagram of the core network element 200 of the present application is as follows:

[0041] AMF (Access and Mobility Management Function): The user equipment first establishes a connection with the AMF. The AMF is responsible for access control and mobility management, including registration, deregistration, handover, etc.

[0042] UDM (Unified Data Management): The AMF interacts with the UDM to obtain user identity and authentication information, and the UDM is the central repository of user data.

[0043] AUSF (Authentication Server Function): During the user authentication process, the AMF communicates with the AUSF, and the AUSF is responsible for performing authentication and generating authentication credentials.

[0044] SMF (Session Management Function): Once the user authentication is successful, the SMF is responsible for the establishment, maintenance and release of the session. The SMF works with the AMF to ensure the continuity and quality of the session.

[0045] UPF (User Plane Function): The UPF is the actual transmission point of user data, responsible for forwarding user data. The SMF will configure the UPF according to the session requirements.

[0046] PCF (Policy Control Function): The PCF is responsible for formulating and executing network policies, and interacts with the SMF to apply appropriate policy rules.

[0047] NEF (Network Exposure Function): The NEF provides the ability for third-party applications to access network information, and it can interact with the UPF and PCF to support third-party services.

[0048] NSSF(Network Slice Selection Function): Network slicing is an important feature of 5G network, NSSF is responsible for selecting the most suitable network slice according to user demand and policy.

[0049] NRF(Network Repository Function): NRF is the registration and discovery point of network function, allowing other network functions to discover and use other components.

[0050] Further, AMF(Access and Mobility Management Function) is connected with UE(User Equipment): AMF is the entry point of user equipment to access the network. Connect with UDM(Unified Data Management): AMF needs to obtain user identity information and authentication information from UDM. Connect with AUSF(Authentication Server Function): AMF interacts with AUSF in the user authentication process. Connect with SMF(Session Management Function): AMF works with SMF to manage the establishment and maintenance of sessions.

[0051] Further, SMF(Session Management Function) is connected with AMF: SMF relies on the user information provided by AMF to establish and manage sessions. Connect with UPF(User Plane Function): SMF configures UPF to forward user data. Connect with PCF(Policy Control Function): SMF manages sessions according to the policy rules provided by PCF.

[0052] Further, UPF(User Plane Function) is connected with SMF: UPF forwards user data according to the configuration of SMF. Connect with NEF(Network Exposure Function): UPF may need to interact with NEF to support third-party applications to access user data.

[0053] Further, UDM(Unified Data Management) is connected with AMF: provides user identity and authentication information. Connect with AUSF: provides user authentication information.

[0054] Further, AUSF(Authentication Server Function) is connected with AMF: provides user authentication services. Connect with UDM: obtain user authentication information.

[0055] Further, PCF (Policy Control Function): connected with SMF: provides session policy control. Connected with NEF: may need to adjust the policy according to the needs of third-party applications.

[0056] Further, NEF (Network Exposure Function): connected with UPF: supports third-party applications to access user data. Connected with PCF: adjusts the access rights of third-party applications according to the policy.

[0057] Further, NSSF (Network Slice Selection Function): connected with AMF: provides network slice selection services. Connected with SMF: configures sessions according to network slice requirements.

[0058] Further, NRF (Network Repository Function): connected with all components: as a registration and discovery point of network functions, allows other network functions to discover and use other components.

[0059] In summary, the connection relationship between these components can be achieved through internal interfaces and protocols, such as using SBI (Service-Based Interface) for inter-service communication. Each component plays a specific role and works together in a highly coordinated manner to provide efficient, flexible and secure network services.

[0060] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0061] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

[0062] Although the embodiments of the present application have been shown and described above, it should be understood by those skilled in the art that the above embodiments are exemplary and cannot be construed as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present application.

Claims

1. An autonomous and controllable core network networking system, characterized in that, It includes the UE, core network elements, and signaling acquisition device; the UE establishes a connection with the network base station through the wireless interface, the base station transmits the UE's signaling and data to the core network elements, the core network elements process the signaling and interact with the signaling acquisition device, and the signaling acquisition device collects and analyzes the signaling data transmitted from the network elements. The core network elements include AMF, SMF, UPF, UDM, AUSF, PCF, NEF, NSSF, and NRF. A connection is established between the UE and AMF; AMF interacts with UDM to obtain user authentication information; during user authentication, AMF communicates with AUSF; after successful authentication, SMF and AMF work together; SMF configures UPF according to session requirements; PCF interacts with SMF to apply policy rules; NEF interacts with UPF and PCF to support third-party services; NSSF selects the most suitable network slice based on user needs and policies; and NRF serves as a registration and discovery point for network functions. The core network elements include one of the following: switches, routers, base stations, and core network equipment. The UE includes one of the following: smartphones, tablets, and laptops. A signaling acquisition device is a device or system used to monitor and collect network signaling data.

2. The autonomous and controllable core network networking system according to claim 1, characterized in that, The AMF connected to the UE serves as the entry point for user equipment to access the network; The AMF, which connects to the UDM, obtains user identity and authentication information from the UDM. The AMF connected to AUSF interacts with AUSF during the user authentication process; AMF connects with SMF and works together to manage the establishment and maintenance of sessions.

3. The autonomous and controllable core network networking system according to claim 1, characterized in that, The SMF, which connects to the AMF, establishes and manages sessions using user information provided by the AMF; The SMF connected to the UPF is used to configure the UPF to forward user data; The SMF connected to the PCF manages sessions according to the policy rules provided by the PCF.

4. The autonomous and controllable core network networking system according to claim 1, characterized in that, The UPF connected to the SMF forwards user data according to the SMF's configuration; The UPF connects to the NEF and interacts with the NEF to support third-party applications in accessing user data.

5. The autonomous and controllable core network networking system according to claim 1, characterized in that, UDM connected to AMF provides user identity and authentication information; The UDM connected to AUSF provides user authentication information.

6. The autonomous and controllable core network networking system according to claim 1, characterized in that, AUSF, which connects to AMF, provides user authentication services; AUSF, which connects to UDM, obtains user authentication information.

7. The autonomous and controllable core network networking system according to claim 1, characterized in that, PCF connected to SMF provides session policy control. PCF, which connects to NEF, adjusts its strategies based on the needs of third-party applications.

8. The autonomous and controllable core network networking system according to claim 1, characterized in that, NEF connected to UPF allows third-party applications to access user data; The NEF, connected to the PCF, adjusts the access permissions of third-party applications according to the policy.

9. The autonomous and controllable core network networking system according to claim 1, characterized in that, NSSF, connected to AMF, provides network slice selection services; NSSF, which connects to SMF, configures sessions according to network slicing requirements.

10. The autonomous and controllable core network networking system according to claim 1, characterized in that, The NRF connects to other network elements and serves as a registration and discovery point for network functions, allowing other network functions to discover and use other components.

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