WO2023173796A1 - Procédé, appareil et système de gestion de communication - Google Patents

Procédé, appareil et système de gestion de communication Download PDF

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Publication number
WO2023173796A1
WO2023173796A1 PCT/CN2022/133469 CN2022133469W WO2023173796A1 WO 2023173796 A1 WO2023173796 A1 WO 2023173796A1 CN 2022133469 W CN2022133469 W CN 2022133469W WO 2023173796 A1 WO2023173796 A1 WO 2023173796A1
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WO
WIPO (PCT)
Prior art keywords
service area
communication management
restriction information
user
virtual network
Prior art date
Application number
PCT/CN2022/133469
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English (en)
Chinese (zh)
Inventor
孙悦
龙彪
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中国电信股份有限公司
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Publication of WO2023173796A1 publication Critical patent/WO2023173796A1/fr

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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

Definitions

  • the present invention relates to the field of mobile communications, and in particular to a communication management method, device and system.
  • 3GPP R16 defines new features of 5G LAN (Local Area Network).
  • 5G LAN can provide customers with a virtual data network, specifying a group of terminals signed with the same S-NSSAI (Single Network Slice Selection Assistance Information, single network slice selection assistance information) and DNN (Data Network Name, data network name) as one 5G VN (Virtual Network) group, terminals in the group can communicate in a variety of ways.
  • S-NSSAI Single Network Slice Selection Assistance Information, single network slice selection assistance information
  • DNN Data Network Name, data network name
  • 3GPP R18 project new requirements for enhancing third-party open capabilities have been added.
  • a communication management method including: AMF obtains the service area restriction information of the virtual network group where the user is located; when the user's corresponding intra-group communication request is initiated, on the user's terminal When outside the restricted service area, the AMF sends a notification to the SMF so that the SMF rejects the communication request.
  • the AMF in the event that the terminal moves outside the restricted service area, the AMF sends a notification to the SMF through the session context update request Nsmf_PDUSession_UpdateSMContext.
  • the communication management method further includes: the AMF tracks the location information of the user's terminal.
  • the service area restriction information of the virtual network group is stored in the UDM, and the AMF obtains the service area restriction information from the UDM.
  • AMF obtains service area restriction information from UDM.
  • service area restriction information is OAM or AF configured and stored in UDM.
  • the communication management method further includes: the AF sends 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 the virtual network group's Service area restriction information: NEF sends a second parameter configuration creation request or a second parameter configuration update request to the UDM, where the second parameter configuration creation request or second parameter configuration update request includes the service area restriction information of the virtual network group.
  • the service area restriction information is set by the group administrator of the virtual network group.
  • the communication management method further includes: the PCF generates updated service area restriction information; and the PCF sends the updated service area restriction information to the AMF.
  • the PCF updates the service area restriction information based on at least one of location information of the user's terminal, network status information, or currently used applications.
  • the virtual network group is a 5G virtual network group, and users in the 5G virtual network group subscribe to the same S-NSSAI and DNN.
  • 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.
  • a communication management device located in the AMF, including: an information acquisition module configured to acquire service area restriction information of the virtual network group where the user is located; a notification sending module configured When the user's corresponding intra-group communication request is initiated and the user's terminal is outside the restricted service area, a notification is sent to the SMF so that the SMF rejects the communication request.
  • the notification sending module is further configured to send a notification to the SMF through the session context update request Nsmf_PDUSession_UpdateSMContext when the terminal moves outside the restricted service area.
  • the communication management device further includes: a location tracking module configured to track location information of the user's terminal.
  • the service area restriction information of the virtual network group is stored in the UDM, and the information acquisition module is further configured to obtain the service area restriction information from the UDM.
  • the information acquisition module is further configured to obtain service area restriction information from the UDM during the user's registration process.
  • the service area restriction information is set by the group administrator of the virtual network group.
  • a communication management device including: a memory; and a processor coupled to the memory, the processor being configured to execute any of the foregoing based on instructions stored in the memory Communication management methods.
  • a communication management system including: an AMF, the AMF including any one of the aforementioned communication management devices; and an SMF configured to reject a notification sent by the AMF upon receipt of the notification. Corresponding communication request.
  • the communication management system further includes: a UDM configured to store service area restriction information of the virtual network group.
  • the communication management system further includes: AF, configured to configure and store the service area restriction information of the virtual network group into the UDM; or, OAM, configured to configure the service area restriction information of the virtual network group and stored in UDM.
  • the communication management system further includes: 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; NEF, configured to send a second parameter configuration creation request or a second parameter configuration update request to the UDM, where the second parameter configuration creation request or the second parameter configuration update request includes the virtual network group Service area restriction information.
  • the communication management system further includes: a PCF configured to generate updated service area restriction information; and send the updated service area restriction information to the AMF.
  • the PCF is further configured to update 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.
  • a computer-readable storage medium on which a computer program is stored, wherein when the program is executed by a processor, any one of the aforementioned communication management methods is implemented.
  • Figure 1 shows a schematic flowchart of a communication management method according to some embodiments of the present invention.
  • Figure 2 shows a schematic flowchart of a method for configuring service area restriction information according to some embodiments of the present invention.
  • Figure 3 shows a schematic flowchart of a method for obtaining service area restriction information according to some embodiments of the present invention.
  • Figure 4 shows a schematic flowchart of a method for updating service area restriction information according to some embodiments of the present invention.
  • Figure 5 shows a schematic structural diagram of a communication management device according to some embodiments of the present invention.
  • Figure 6 shows a schematic structural diagram of a communication management system according to some embodiments of the present invention.
  • Figure 7 shows a schematic structural diagram of a communication management device according to other embodiments of the present invention.
  • Figure 8 shows a schematic structural diagram of a communication management device according to some embodiments of the present invention.
  • any specific values are to be construed as illustrative only and not as limiting. Accordingly, other examples of the exemplary embodiments may have different values.
  • One technical problem to be solved by the embodiments of the present invention is: how to provide a service area restriction method for groups to enhance third-party opening capabilities.
  • Figure 1 shows a schematic flowchart of a communication management method according to some embodiments of the present invention. As shown in Figure 1, the communication management method of this embodiment includes steps S102 to S106.
  • step S102 AMF (Access and Mobility Management Function) obtains the service area restriction information of the virtual network group where the user is located.
  • AMF Access and Mobility Management Function
  • the virtual network group is a 5G VN group, and the users in the 5G VN group have signed up for the same S-NSSAI (Single Network Slice Selection Assistance Information, single network slice selection assistance information) and DNN (Data Network Name). , data network name).
  • S-NSSAI Single Network Slice Selection Assistance Information, single network slice selection assistance information
  • DNN Data Network Name
  • AMF Since AMF has a terminal location tracking function, the location information of the user terminal can be tracked based on the existing functions of AMF. For example, during the user registration process, AMF obtains service area restriction information from UDM (Unified Data Management) that stores service area restriction information.
  • UDM Unified Data Management
  • the service area restriction information includes, for example, service area information in which the user is allowed to communicate within the group.
  • step S104 when the user's corresponding intra-group communication request is initiated and the user's terminal is outside the restricted service area, the AMF sends a notification to the SMF (Session Management Function). This notification is used to inform SMF whether the user has exceeded the restricted service area.
  • SMF Session Management Function
  • 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.
  • AMF sends a notification to SMF via a session context update request (Nsmf_PDUSession_UpdateSMContext).
  • the AMF tracks the location information of the user's terminal and determines whether the user's terminal is outside a restricted service area. It can be understood that before using the technical solutions of various embodiments of the present disclosure, the user will be informed in an appropriate manner of the type, scope of use, usage scenarios, etc. of the personal information such as location information involved, and the user's authorization will be obtained. .
  • step S106 the SMF rejects the corresponding communication request according to the received notification.
  • the location of the user's terminal can be monitored and it can be determined whether the user is within a service area that is allowed to communicate within the group.
  • the service area restriction information is determined by the group manager of the VN group.
  • the third party's group management capabilities are further enhanced based on the service area restriction mechanism for all members in the VN group.
  • the group administrator such as an enterprise, etc.
  • the group administrator can limit the service area of group members, so that if a terminal of a member exceeds the area, it will not be able to communicate with other members of the group.
  • the user terminal may continue to perform the session establishment process of intra-group communication.
  • the above embodiment adds service area restriction information to the relevant data of the virtual network group, and can manage the communication of members within the group at the granularity of the virtual network group. Therefore, the present invention can enhance the group management capability and also realize the enhancement of the third-party opening capability.
  • the service area restriction information is configured by OAM (Operation Administration and Maintenance) or AF (Application Function) and stored in UDM.
  • OAM Operaation Administration and Maintenance
  • AF Application Function
  • Figure 2 shows a schematic flowchart of a method for configuring service area restriction information according to some embodiments of the present invention. As shown in Figure 2, the configuration method of this embodiment includes steps S202 to S204.
  • step S202 AF sends the first parameter configuration creation request (Nnef_ParameterProvision_Create request) or the first parameter configuration update request (Nnef_ParameterProvision_Update request) to NEF (Network Exposure Function, network opening function), which includes the service area restriction information corresponding to the VN group Waiting for the data of VN group.
  • NEF Network Exposure Function, network opening function
  • NEF sends a second parameter configuration creation request (Nudm_ParameterProvision_Create request) or a second parameter configuration update request (Nudm_ParameterProvision_Update request) to UDM, which includes VN group data such as service area restriction information corresponding to the VN group.
  • UDM can store the obtained service area restriction information.
  • the process also includes steps S206 to S212.
  • step S206 UDM sends data management query information (Nudr_DM_Query) to UDR (Unified Data Repository, unified data warehouse function) and receives a response.
  • the data management query information includes VN group data such as service area restriction information corresponding to the VN group.
  • step S208 UDM sends data management update information (Nudr_DM_Update) to UDR and receives a response.
  • the data management update information includes VN group data such as service area restriction information corresponding to the VN group.
  • steps S206 and S208 are executed.
  • step S210 UDM sends a second parameter configuration creation response (Nudm_ParameterProvision_Create response) or a second parameter configuration update response (Nudm_ParameterProvision_Update response) to NEF.
  • NEF sends the first parameter configuration creation response (Nnef_ParameterProvision_Create response) or the first parameter configuration update response (Nnef_ParameterProvision_Update response) to the AF.
  • the configuration of service area restriction information can be implemented.
  • service area restriction information is stored in UDM.
  • AMF obtains the service area restriction information of the VN group from UDM.
  • the terminal registration process is described below in conjunction with Figure 3. During this process, AMF obtains service area restriction information.
  • Figure 3 shows a schematic flowchart of a method for obtaining service area restriction information according to some embodiments of the present invention. As shown in Figure 3, the method for obtaining service area restriction information in this embodiment includes steps S302 to S312.
  • step S302 the terminal (UE) sends a registration request to the RAN (Radio Access Network).
  • step S304 the RAN performs AMF selection.
  • step S306 the RAN sends a registration request to the selected AMF.
  • step S308 AMF sends user data management acquisition information (Nudm_SDM_Get) to UDM.
  • step S310 the UDM sends the service area restriction information of the virtual network group where the user is located to the AMF.
  • step S312 the AMF sends a registration-accepted response to the terminal.
  • AMF can obtain the service area restriction information of the virtual network group during the registration process, thereby not only obtaining the information in a timely manner, but also minimizing the impact on the existing process.
  • the service area restriction information can also be flexibly updated.
  • PCF Policy Control Function
  • the service area restriction information updating method of the present invention with reference to FIG. 4 .
  • Figure 4 shows a schematic flowchart of a method for updating service area restriction information according to some embodiments of the present invention. As shown in Figure 4, the method for updating service area restriction information in this embodiment includes steps S402 to S408.
  • step S402 AMF decides to establish a policy association (Policy Association).
  • step S404 the AMF sends a policy control creation request (Npcf_AMPolicyControl_Create) to the PCF.
  • step S406 the PCF sends a policy control creation response (Npcf_AMPolicyControl_Create response) to the AMF.
  • the response carries the access and mobility control policy (access and mobility control policy), which includes updated service area restriction information.
  • the PCF updates the service area restriction information based on at least one of location information of the user's terminal, network status information, or currently used applications.
  • step S408 the AMF applies the access and mobility control policy sent by the PCF, thereby obtaining updated service area restriction information.
  • PCF can flexibly adjust the service area restriction information according to the actual situation of individual users.
  • Figure 5 shows a schematic structural diagram of a communication management device according to some embodiments of the present invention.
  • the communication management device 500 of this embodiment is located in the AMF and includes: an information acquisition module 5100, configured to acquire the service area restriction information of the virtual network group where the user is located; a notification sending module 5200, configured to when the user The corresponding intra-group communication request is initiated, and when the user's terminal is outside the restricted service area, a notification is sent to the SMF so that the SMF rejects the communication request.
  • an information acquisition module 5100 configured to acquire the service area restriction information of the virtual network group where the user is located
  • a notification sending module 5200 configured to when the user The corresponding intra-group communication request is initiated, and when the user's terminal is outside the restricted service area, a notification is sent to the SMF so that the SMF rejects the communication request.
  • the notification sending module 5200 is further configured to send a notification to the SMF through the session context update request Nsmf_PDUSession_UpdateSMContext in the event that the terminal moves outside the restricted service area.
  • the communication management device 500 further includes: a location tracking module 5300 configured to track location information of the user's terminal.
  • the service area restriction information of the virtual network group is stored in the UDM, and the information acquisition module 5100 is further configured to obtain the service area restriction information from the UDM.
  • the information acquisition module 5100 is further configured to obtain service area restriction information from the UDM during the user's registration process.
  • the service area restriction information is set by the group administrator of the virtual network group.
  • FIG. 6 shows a schematic structural diagram of a communication management system according to some embodiments of the present invention.
  • the communication management system 60 of this embodiment includes an AMF 610 and an SMF 620.
  • AMF 610 includes any of the aforementioned communication management devices 500;
  • SMF 620 is configured to reject the corresponding communication request upon receiving the notification sent by AMF 610.
  • the communication management system 60 further includes a UDM 630 configured to store service area restriction information of the virtual network group.
  • the communication management system 60 further includes: AF 640, configured to configure and store the service area restriction information of the virtual network group into the UDM; or, OAM 650, configured to configure the service area of the virtual network group Restriction information is configured and stored in UDM.
  • the communication management system further includes: 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; 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 includes a virtual Service area restriction information for the network group.
  • 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
  • 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 includes a virtual Service area restriction information for the network group.
  • the communication management system further includes: PCF 670, configured to generate updated service area restriction information; send the updated service area restriction information to AMF 610.
  • the PCF 670 is further configured to update the service area restriction information according to at least one of location information of the user's terminal, network condition information, or currently used applications.
  • Figure 7 shows a schematic structural diagram of a communication management device according to other embodiments of the present invention.
  • the communication management device 70 of this embodiment includes: a memory 710 and a processor 720 coupled to the memory 710.
  • the processor 720 is configured to execute any of the foregoing implementations based on instructions stored in the memory 710. Communication management method in the example.
  • the memory 710 may include, for example, system memory, fixed non-volatile storage media, etc.
  • System memory stores, for example, operating systems, applications, boot loaders, and other programs.
  • Figure 8 shows a schematic structural diagram of a communication management device according to some embodiments of the present invention.
  • the communication management device 80 of this embodiment includes a memory 810 and a processor 820 , and may also include an input/output interface 830 , a network interface 840 , a storage interface 850 , etc.
  • These interfaces 830, 840, 850, the memory 810 and the processor 820 may be connected through a bus 860, for example.
  • the input and output interface 830 provides a connection interface for input and output devices such as a monitor, mouse, keyboard, and touch screen.
  • Network interface 840 provides a connection interface for various networked devices.
  • the storage interface 850 provides a connection interface for external storage devices such as SD cards and USB disks.
  • Embodiments of the present invention also provide a computer-readable storage medium on which a computer program is stored, which is characterized in that when the program is executed by a processor, any one of the aforementioned communication management methods is implemented.
  • embodiments of the present invention may be provided as methods, systems, or computer program products.
  • the invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects.
  • the 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 memory, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein. .
  • These computer program instructions may also be stored in a computer-readable memory that causes a computer or other programmable data processing apparatus to operate in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction means, the instructions
  • the device implements the functions specified in a process or processes of the flowchart and/or a block or blocks of the block diagram.
  • These computer program instructions may also be loaded onto a computer or other programmable data processing device, causing a series of operating steps to be performed on the computer or other programmable device to produce computer-implemented processing, thereby executing on the computer or other programmable device.
  • Instructions provide steps for implementing the functions specified in a process or processes of a flowchart diagram and/or a block or blocks of a block diagram.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention se rapporte au domaine des communications mobiles. Sont divulgués un procédé, un appareil et un système de gestion de communication. Le procédé de gestion de communication comprend les étapes suivantes : une AMF acquiert des informations de restriction de zone de service d'un groupe de réseau virtuel où se trouve un utilisateur ; lorsqu'une requête de communication intra-groupe correspondant à l'utilisateur est initiée et qu'un terminal de l'utilisateur est situé à l'extérieur d'une zone de service restreinte, l'AMF envoie une notification à une SMF, de telle sorte que la SMF rejette la requête de communication.
PCT/CN2022/133469 2022-03-14 2022-11-22 Procédé, appareil et système de gestion de communication WO2023173796A1 (fr)

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CN202210246744.6A CN116801194A (zh) 2022-03-14 2022-03-14 通信管理方法、装置和系统

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