CN116801194A - Communication management method, device and system - Google Patents

Communication management method, device and system Download PDF

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Publication number
CN116801194A
CN116801194A CN202210246744.6A CN202210246744A CN116801194A CN 116801194 A CN116801194 A CN 116801194A CN 202210246744 A CN202210246744 A CN 202210246744A CN 116801194 A CN116801194 A CN 116801194A
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CN
China
Prior art keywords
service area
communication management
restriction information
area restriction
virtual network
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CN202210246744.6A
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Chinese (zh)
Inventor
孙悦
龙彪
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China Telecom Corp Ltd
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China Telecom Corp Ltd
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Application filed by China Telecom Corp Ltd filed Critical China Telecom Corp Ltd
Priority to CN202210246744.6A priority Critical patent/CN116801194A/en
Priority to PCT/CN2022/133469 priority patent/WO2023173796A1/en
Publication of CN116801194A publication Critical patent/CN116801194A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/029—Location-based management or tracking services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H04W4/08—User group management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/18—Management of setup rejection or failure

Abstract

The invention discloses a communication management method, a device and a system, and relates to the field of mobile communication. The communication management method comprises the following steps: the AMF acquires service area restriction information of a virtual network group where a user is located; when an intra-group communication request corresponding to a user is initiated, the AMF sends a notification to the SMF in the case that the terminal of the user is outside the restricted service area, so that the SMF refuses the communication request.

Description

Communication management method, device and system
Technical Field
The present invention relates to the field of mobile communications, and in particular, to a method, apparatus, and system for communication management.
Background
The 3gpp r16 defines new characteristics of 5G LANs (Local Area Network, local area networks). The 5G LAN may provide a Virtual data Network for clients, and a group of terminals subscribed to the same S-nsai (Single Network Slice Selection Assistance Information ) and DNN (Data Network Name, data Network name) may be designated as a 5G VN (Virtual Network) group, and the terminals in the group may communicate in a variety of ways. New requirements for enhancing third party opening capabilities are added in 3gpp r 18.
Disclosure of Invention
The inventors have found, after analysis, that there is no group-specific Service Area (Service Area) restriction method in the current standard.
One technical problem to be solved by the embodiment of the invention is as follows: how to provide a service area limiting method for a group so as to enhance the third party opening capability.
According to a first aspect of some embodiments of the present invention, there is provided a communication management method, comprising: the AMF acquires service area restriction information of a virtual network group where a user is located; when an intra-group communication request corresponding to a user is initiated, the AMF sends a notification to the SMF in the case that the terminal of the user is outside the restricted service area, so that the SMF refuses the communication request.
In some embodiments, in case the terminal moves outside the restricted service area, the AMF sends a notification to the SMF through a session context update request nsmf_pduse_update smcontext.
In some embodiments, the communication management method further comprises: the AMF tracks location information of the user's terminal.
In some embodiments, the service area restriction information of the virtual network group is stored in a UDM, from which the AMF obtains the service area restriction information.
In some embodiments, the AMF obtains service area limitation information from the UDM during registration of the user.
In some embodiments, the service area limitation information is OAM or AF configured and stored to the UDM.
In some embodiments, the communication management method further comprises: AF sends a first parameter configuration creation request or a first parameter configuration update request to NEF, wherein the first parameter configuration creation request or the first parameter configuration update request comprises service area restriction information of a virtual network group; the NEF sends a second parameter configuration creation request or a second parameter configuration update request to the UDM, wherein the second parameter configuration creation request or the second parameter configuration update request includes service area restriction information of the virtual network group.
In some embodiments, the service area restriction information is set by a group administrator of the virtual network group.
In some embodiments, the communication management method further comprises: PCF generates updated service area restriction information; the PCF sends updated service area restriction information to the AMF.
In some embodiments, the PCF updates the service area restriction information based on at least one of location information of the user's terminal, network condition information, or currently used applications.
In some embodiments, the virtual network group is a 5G virtual network group, and the users in the 5G virtual network group sign up for the same S-NSSAI and DNN.
In some embodiments, the intra-group communication request corresponding to the user is a communication request initiated by the user to other users in the virtual network group, or a communication request initiated by other users in the virtual network group to the user.
According to a second aspect of some embodiments of the present invention, there is provided a communication management apparatus, located in an AMF, comprising: the information acquisition module is configured to acquire service area restriction information of a virtual network group where a user is located; and a notification transmission module configured to transmit a notification to the SMF when the intra-group communication request corresponding to the user is initiated, in a case where the terminal of the user is outside the restricted service area, so that the SMF rejects the communication request.
In some embodiments, the notification sending module is further configured to send the notification to the SMF by a session context update request nsmf_pduse_updatsmcontext if the terminal moves outside the restricted service area.
In some embodiments, the communication management apparatus further comprises: and a position tracking module configured to track position information of the user's terminal.
In some embodiments, the service area limitation information of the virtual network group is stored in a UDM, and the information obtaining module is further configured to obtain the service area limitation information from the UDM.
In some embodiments, the information acquisition module is further configured to acquire service area restriction information from the UDM during registration of the user.
In some embodiments, the service area restriction information is set by a group administrator of the virtual network group.
According to a third aspect of some embodiments of the present invention, there is provided a communication management system comprising: an AMF including any one of the aforementioned communication management devices; and an SMF configured to reject the corresponding communication request in case of receiving the notification sent by the AMF.
In some embodiments, the communication management system further comprises: a UDM configured to store service area restriction information of a virtual network group.
In some embodiments, the communication management system further comprises: AF configured to configure and store service area restriction information of the virtual network group into the UDM; or, OAM configured to configure and store service area restriction information of the virtual network group into the UDM.
In some embodiments, the communication management system further comprises: an AF configured to send a first parameter configuration creation request or a first parameter configuration update request to the NEF, wherein the first parameter configuration creation request or the first parameter configuration update request includes service area restriction information of the virtual network group; and a NEF configured to send a second parameter configuration creation request or a second parameter configuration update request to the UDM, wherein the second parameter configuration creation request or the second parameter configuration update request includes service area restriction information of the virtual network group.
In some embodiments, the communication management system further comprises: a PCF configured to generate updated service area restriction information; and sending the updated service area restriction information to the AMF.
In some embodiments, the PCF is further configured to update the service area restriction information based on at least one of location information of the user's terminal, network condition information, or currently used applications.
According to a fourth aspect of some embodiments of the present invention, there is provided a communication management apparatus comprising: a memory; and a processor coupled to the memory, the processor configured to perform any of the foregoing communication management methods based on instructions stored in the memory.
According to a fifth aspect of some embodiments of the present invention, there is provided a computer-readable storage medium having stored thereon a computer program, wherein the program, when executed by a processor, implements any one of the aforementioned communication management methods.
Some of the embodiments of the above invention have the following advantages or benefits. The above embodiment adds service area limitation information to the related data of the virtual network group, and can manage the communication of the members in the group with the virtual network group as granularity. Therefore, the invention can enhance the group management capability and also realize the enhancement of the third party opening capability.
Other features of the present invention and its advantages will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 illustrates a flow diagram of a communication management method according to some embodiments of the invention.
Fig. 2 is a flow chart illustrating a method of configuring service area restriction information according to some embodiments of the present invention.
Fig. 3 is a flow chart illustrating a method for acquiring service area restriction information according to some embodiments of the present invention.
Fig. 4 is a flow chart illustrating a method of updating service area restriction information according to some embodiments of the present invention.
Fig. 5 illustrates a schematic structure of a communication management apparatus according to some embodiments of the present invention.
Fig. 6 illustrates a schematic diagram of a communication management system according to some embodiments of the invention.
Fig. 7 is a schematic structural view showing a communication management apparatus according to other embodiments of the present invention.
Fig. 8 is a schematic structural view showing a communication management apparatus according to still other embodiments of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
Fig. 1 illustrates a flow diagram of a communication management method according to some embodiments of the invention. As shown in fig. 1, the communication management method of this embodiment includes steps S102 to S106.
In step S102, the AMF (Access and Mobility Management Function ) acquires service area restriction information of a virtual network group in which the user is located.
In some embodiments, the virtual network group is a 5G VN group, and the users in the 5G VN group sign up for the same S-nsai (Single Network Slice Selection Assistance Information ) and DNN (Data Network Name, data network name).
Since the AMF has a terminal location tracking function, location information of the user terminal can be tracked based on the existing functions of the AMF. For example, during registration of a user, the AMF acquires service area restriction information from a UDM (Unified Data Management ) storing the service area restriction information.
The service area restriction information includes, for example, service area information in which the user is allowed to perform intra-group communication.
In step S104, when an intra-group communication request corresponding to the user is initiated, the AMF transmits a notification to the SMF (Session Management Function ) in a case where the terminal of the user is outside the restricted service area. The notification is used to inform the SMF whether the user is outside the restricted service area.
In some embodiments, the intra-group communication request corresponding to the user is a communication request initiated by the user to other users in the virtual network group, or a communication request initiated by other users in the virtual network group to the user.
In some embodiments, the AMF sends a notification to the SMF via a session context update request (Nsmf_PDUStion_UpdateSMContext).
In some embodiments, the AMF tracks location information of the user's terminal and determines whether the user's terminal is outside of a restricted service area.
In step S106, the SMF rejects the corresponding communication request according to the received notification.
In some embodiments, the location of the user's terminal may be monitored and a determination may be made as to whether the user is within a service area where intra-group communication is allowed.
In some embodiments, the service area restriction information is determined for a group manager of the VN group. Therefore, the group management capability of a third party is further enhanced on the basis of a service area limiting mechanism for all members in the VN group. In this way, a group manager (e.g., enterprise, etc.) may limit the service area of a group member such that a terminal of a member will not be able to communicate with other members of the group after it has exceeded the area.
The above embodiment adds service area limitation information to the related data of the virtual network group, and can manage the communication of the members in the group with the virtual network group as granularity. Therefore, the invention can enhance the group management capability and also realize the enhancement of the third party opening capability.
In some embodiments, the service area limitation information is OAM (Operation Administration and Maintenance, operation administration maintenance) or AF (Application Function ) configured and stored to the UDM. The following describes a method of configuring service area restriction information, taking AF as an example.
Fig. 2 is a flow chart illustrating a method of configuring service area restriction information according to some embodiments of the present invention. As shown in fig. 2, the configuration method of this embodiment includes steps S202 to S204.
In step S202, the AF sends a first parameter configuration creation request (nnef_parameter provision_create request) or a first parameter configuration Update request (nnef_parameter provision_update request) to the NEF (Network Exposure Function, network opening function), where data of the VN group including the service area restriction information corresponding to the VN group and the like.
In step S204, the NEF sends a second parameter configuration creation request (nudm_parameter definition_create request) or a second parameter configuration Update request (nudm_parameter definition_update request) to the UDM, where the second parameter configuration creation request includes data of the VN group, such as service area restriction information corresponding to the VN group.
Thus, the UDM can store the obtained service area restriction information.
In some embodiments, the process further includes steps S206-S212.
In step S206, the UDM transmits data management inquiry information (nudr_dm_query) including data of VN groups such as service area restriction information corresponding to the VN groups to the UDR (Unified Data Repository, unified data warehouse function) and receives a response.
In step S208, the UDM transmits data management Update information (nudr_dm_update) including data of VN groups such as service area restriction information corresponding to the VN groups to the UDR and receives the response.
Steps S206 and S208 are alternatively performed as needed.
In step S210, the UDM transmits a second parameter configuration creation response (nudm_parameter provision_create response) or a second parameter configuration Update response (nudm_parameter provision_update response) to the NEF.
In step S212, the NEF transmits a first parameter configuration creation response (nnef_parameter provision_create response) or a first parameter configuration Update response (nnef_parameter provision_update response) to the AF.
By the above embodiment, the configuration of the service area restriction information can be realized.
In some embodiments, the service area restriction information is stored in the UDM. For example, in the registration process of the user, the AMF acquires service area restriction information of the VN group from the UDM. The registration procedure of the terminal, in which the AMF acquires service area restriction information, is described below in connection with fig. 3.
Fig. 3 is a flow chart illustrating a method for acquiring service area restriction information according to some embodiments of the present invention. As shown in fig. 3, the method of acquiring service area restriction information of this embodiment includes steps S302 to S312.
In step S302, the terminal (UE) transmits a registration request to the RAN (Radio Access Network ).
In step S304, the RAN performs AMF selection.
In step S306, the RAN sends a registration request to the selected AMF.
In step S308, the AMF transmits user data management acquisition information (nudm_sdm_get) to the UDM.
In step S310, the UDM transmits service area restriction information of the virtual network group in which the user is located to the AMF.
In step S312, the AMF transmits a response to the terminal registering the received.
Through the embodiment, the AMF can acquire the service area limitation information of the virtual network group in the registration process, so that the information can be acquired timely, and the influence on the existing flow is reduced as much as possible.
In some embodiments, the service area restriction information may also be flexibly updated. For example, the PCF (Policy Control Function ) generates updated service area restriction information; the PCF then sends the updated service area restriction information to the AMF. An embodiment of the service area restriction information updating method of the present invention is described below with reference to fig. 4.
Fig. 4 is a flow chart illustrating a method of updating service area restriction information according to some embodiments of the present invention. As shown in fig. 4, the method of updating the service area restriction information of the embodiment includes steps S402 to S408.
In step S402, the AMF decides to establish a policy association (Policy Association).
In step S404, the AMF sends a policy control creation request (Npcf_AMPolicControl_Create) to the PCF.
In step S406, the PCF sends a policy control creation response (npcf_ampoliccontrol_create response) to the AMF, which carries the access and mobility control policies (access and mobility control policy), including updated service area restriction information.
In some embodiments, the PCF updates the service area restriction information based on at least one of location information of the user's terminal, network condition information, or currently used applications.
In step S408, the AMF applies the access and mobility control policies sent by the PCF, thereby obtaining updated service area restriction information.
Through the embodiment, the PCF can flexibly adjust the service area restriction information according to the actual situation of the individual user.
An embodiment of the communication management apparatus of the present invention is described below with reference to fig. 5.
Fig. 5 illustrates a schematic structure of a communication management apparatus according to some embodiments of the present invention. As shown in fig. 5, the communication management apparatus 500 of this embodiment is located in an AMF, and includes: an information obtaining module 5100 configured to obtain service area restriction information of a virtual network group in which a user is located; the notification sending module 5200 is configured to send a notification to the SMF when the intra-group communication request corresponding to the user is initiated and the terminal of the user is outside the limited service area, so that the SMF rejects the communication request.
In some embodiments, the notification sending module 5200 is further configured to send a notification to the SMF by a session context update request nsmf_pduse_update smcontext if the terminal moves outside the restricted service area.
In some embodiments, the communication management apparatus 500 further comprises: the location tracking module 5300 is configured to track location information of a terminal of the user.
In some embodiments, the service area restriction information of the virtual network group is stored in the UDM, and the information obtaining module 5100 is further configured to obtain the service area restriction information from the UDM.
In some embodiments, the information acquisition module 5100 is further configured to acquire service area restriction information from the UDM during registration of the user.
In some embodiments, the service area restriction information is set by a group administrator of the virtual network group.
Fig. 6 illustrates a schematic diagram of a communication management system according to some embodiments of the invention. As shown in fig. 6, the communication management system 60 of this embodiment includes an AMF 610 and an SMF 620. The AMF 610 includes any one of the communication management apparatuses 500 described above; the SMF 620 is configured to reject the corresponding communication request upon receiving the notification sent by the AMF 610.
In some embodiments, the communication management system 60 further comprises: the UDM 630 is configured to store service area restriction information for the virtual network group.
In some embodiments, the communication management system 60 further comprises: an AF 640 configured to configure and store service area restriction information of the virtual network group into the UDM; alternatively, OAM 650 is configured to configure and store service area restriction information for a virtual network group into a UDM.
In some embodiments, the communication management system further comprises: an AF 640 configured to send a first parameter configuration creation request or a first parameter configuration update request to the NEF, wherein the first parameter configuration creation request or the first parameter configuration update request includes service area restriction information of the virtual network group; the NEF 660 is configured to send a second parameter configuration creation request or a second parameter configuration update request to the UDM, wherein the second parameter configuration creation request or the second parameter configuration update request comprises service area restriction information of the virtual network group.
In some embodiments, the communication management system further comprises: PCF 670 configured to generate updated service area restriction information; the updated service area restriction information is transmitted to the AMF 610.
In some embodiments, PCF 670 is further configured to update the service area restriction information based on at least one of location information of the user's terminal, network condition information, or currently used applications.
Fig. 7 is a schematic structural view showing a communication management apparatus according to other embodiments of the present invention. As shown in fig. 7, the communication management apparatus 70 of this embodiment includes: a memory 710 and a processor 720 coupled to the memory 710, the processor 720 being configured to perform the communication management method of any of the foregoing embodiments based on instructions stored in the memory 710.
The memory 710 may include, for example, system memory, fixed nonvolatile storage media, and so forth. The system memory stores, for example, an operating system, application programs, boot Loader (Boot Loader), and other programs.
Fig. 8 is a schematic structural view showing a communication management apparatus according to still other embodiments of the present invention. As shown in fig. 8, the communication management apparatus 80 of this embodiment includes: memory 810 and processor 820 may also include an input-output interface 830, a network interface 840, a storage interface 850, and the like. These interfaces 830, 840, 850 and the memory 810 and processor 820 may be connected by, for example, a bus 860. The input/output interface 830 provides a connection interface for input/output devices such as a display, a mouse, a keyboard, a touch screen, and the like. The network interface 840 provides a connection interface for various networking devices. Storage interface 850 provides a connection interface for external storage devices such as SD cards, U-discs, and the like.
An embodiment of the present invention also provides a computer-readable storage medium having stored thereon a computer program, characterized in that the program, when executed by a processor, implements any one of the aforementioned communication management methods.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable non-transitory storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flowchart and/or block of the flowchart illustrations and/or block diagrams, and combinations of flowcharts and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims (26)

1. A communication management method comprising:
the access and mobility management function AMF obtains service area restriction information of a virtual network group where a user is located;
when the intra-group communication request corresponding to the user is initiated, the AMF sends a notification to a Session Management Function (SMF) when the terminal of the user is outside the limited service area, so that the SMF refuses the communication request.
2. The communication management method according to claim 1, wherein the AMF transmits a notification to the SMF through a session context update request nsmf_pduse_update smcontext in case the terminal moves outside the restricted service area.
3. The communication management method according to claim 1, further comprising:
the AMF tracks location information of the user's terminal.
4. The communication management method according to claim 1, wherein the service area restriction information of the virtual network group is stored in a unified data management UDM from which an AMF acquires the service area restriction information.
5. The communication management method according to claim 4, wherein the AMF acquires the service area restriction information from the UDM in a registration process of the user.
6. The communication management method according to claim 4, wherein the service area restriction information is an operation administration maintenance OAM or an application function AF configuration and stored to the UDM.
7. The communication management method according to claim 4, further comprising:
AF sends a first parameter configuration creation request or a first parameter configuration update request to a network opening function NEF, wherein the first parameter configuration creation request or the first parameter configuration update request comprises service area restriction information of the virtual network group;
the NEF sends a second parameter configuration creation request or a second parameter configuration update request to the UDM, wherein the second parameter configuration creation request or the second parameter configuration update request comprises service area restriction information of the virtual network group.
8. The communication management method according to claim 1, wherein the service area restriction information is set by a group administrator of the virtual network group.
9. The communication management method according to claim 1, further comprising:
the PCF generates updated service area restriction information;
the PCF sends updated service area restriction information to the AMF.
10. The communication management method of claim 9, wherein the PCF updates the service area restriction information according to at least one of location information of the user's terminal, network status information, or currently used applications.
11. The communication management method according to any one of claims 1-9, wherein the virtual network group is a 5G virtual network group, and users in the 5G virtual network group sign up for the same single network slice selection assistance information S-NSSAI and data network name DNN.
12. The communication management method according to any one of claims 1 to 9, wherein the intra-group communication request corresponding to the user is a communication request initiated by the user to other users in the virtual network group or a communication request initiated by other users in the virtual network group to the user.
13. A communication management device, located in an AMF, comprising:
the information acquisition module is configured to acquire service area restriction information of a virtual network group where a user is located;
and the notification sending module is configured to send a notification to the SMF when the intra-group communication request corresponding to the user is initiated and the terminal of the user is out of the limited service area so that the SMF refuses the communication request.
14. The communication management apparatus according to claim 13, wherein the notification transmission module is further configured to transmit a notification to the SMF by a session context update request nsmf_pduse_update smcontext if the terminal moves outside the restricted service area.
15. The communication management apparatus according to claim 13, further comprising:
and the position tracking module is configured to track the position information of the terminal of the user.
16. The communication management apparatus of claim 13, wherein the service area restriction information of the virtual network group is stored in a UDM, the information acquisition module being further configured to acquire the service area restriction information from the UDM.
17. The communication management apparatus of claim 16, wherein the information acquisition module is further configured to acquire the service area restriction information from the UDM during registration of the user.
18. The communication management apparatus according to claim 13, wherein the service area restriction information is set by a group administrator of the virtual network group.
19. A communication management system, comprising:
an AMF comprising the communication management apparatus of any one of claims 13-18; and
and the SMF is configured to reject the corresponding communication request under the condition that the notification sent by the AMF is received.
20. The communication management system of claim 19, further comprising:
and a UDM configured to store service area restriction information of the virtual network group.
21. The communication management system of claim 20, further comprising:
an AF configured to configure and store service area restriction information of the virtual network group into the UDM; or alternatively, the process may be performed,
and OAM configured to configure and store service area restriction information of the virtual network group into the UDM.
22. The communication management system of claim 20, further comprising:
an AF configured to send a first parameter configuration creation request or a first parameter configuration update request to a NEF, wherein the first parameter configuration creation request or the first parameter configuration update request includes service area restriction information of the virtual network group;
and a NEF configured to send a second parameter configuration creation request or a second parameter configuration update request to the UDM, wherein the second parameter configuration creation request or the second parameter configuration update request comprises service area restriction information of the virtual network group.
23. The communication management system of claim 19, further comprising:
a PCF configured to generate updated service area restriction information; and sending the updated service area restriction information to the AMF.
24. The communication management system of claim 23, wherein the PCF is further configured to update the service area restriction information based on at least one of location information, network condition information, or currently used applications of the user's terminal.
25. A communication management apparatus comprising:
a memory; and
a processor coupled to the memory, the processor configured to perform the communication management method of any of claims 1-12 based on instructions stored in the memory.
26. A computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, implements the communication management method of any one of claims 1-12.
CN202210246744.6A 2022-03-14 2022-03-14 Communication management method, device and system Pending CN116801194A (en)

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