WO2022267703A1 - Procédés et appareil de demande de service de tranche de réseau, terminal, et support de stockage - Google Patents

Procédés et appareil de demande de service de tranche de réseau, terminal, et support de stockage Download PDF

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Publication number
WO2022267703A1
WO2022267703A1 PCT/CN2022/091006 CN2022091006W WO2022267703A1 WO 2022267703 A1 WO2022267703 A1 WO 2022267703A1 CN 2022091006 W CN2022091006 W CN 2022091006W WO 2022267703 A1 WO2022267703 A1 WO 2022267703A1
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Prior art keywords
terminal
nssai
target
plmn
registration
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PCT/CN2022/091006
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English (en)
Chinese (zh)
Inventor
张昊天
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Oppo广东移动通信有限公司
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Publication of WO2022267703A1 publication Critical patent/WO2022267703A1/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
    • H04W4/50—Service provisioning or reconfiguring
    • 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
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08—Mobility data transfer
    • H04W8/14—Mobility data transfer between corresponding nodes

Definitions

  • the embodiments of the present application relate to the field of communication technologies, and in particular to a method, device, terminal, and storage medium for requesting a network slicing service.
  • Network Slice is a logical network that provides specific network capabilities and network characteristics, and is used to provide targeted services for terminals.
  • the terminal sends a registration request (registration request) message including requesting network slice selection assistance information (Network Slice Selection Assistance Information, NSSAI) to the network side during the non-access stratum (Non-Access Stratum, NAS) registration process ;
  • NSSAI Network Slice Selection Assistance Information
  • the network side determines the NSSAI that allows registration and the NSSAI that refuses to register from the requested NSSAI, and feeds back to the terminal to complete the NSS registration.
  • Embodiments of the present application provide a method, device, terminal, and storage medium for requesting a network slicing service. Described technical scheme is as follows:
  • an embodiment of the present application provides a method for requesting a network slicing service, the method is used for a first terminal, and the method includes:
  • PLMN Public Land Mobile Network
  • an embodiment of the present application provides a method for requesting a network slicing service, the method is used for a second terminal, and the method includes:
  • the network slicing sharing information includes an NSSAI that allows registration, and the NSSAI that allows registration is obtained by the first terminal from a registration acceptance message issued by the target PLMN;
  • an embodiment of the present application provides an apparatus for requesting a network slicing service, and the apparatus includes:
  • a first sending module configured to send a registration request message to a target PLMN, where the registration request message is used to request the target PLMN to provide a network slicing service;
  • a first receiving module configured to receive a registration acceptance message issued by the target PLMN, where the registration acceptance message includes an NSSAI that allows registration;
  • a second sending module configured to send network slice sharing information to a second terminal under the target PLMN, where the network slice sharing information includes the registration-allowed NSSAI, so that the second terminal is based on the registration-allowed NSSAI
  • the NSSAI requests the network slicing service from the target PLMN.
  • an embodiment of the present application provides an apparatus for requesting a network slicing service, and the apparatus includes:
  • the second receiving module is configured to receive network slicing sharing information sent by the first terminal, the network slicing sharing information includes NSSAI that allows registration, and the NSSAI that allows registration is registered by the first terminal from the target PLMN Obtained from the acceptance message;
  • a third sending module configured to request a network slicing service from the target PLMN based on the NSSAI allowing registration.
  • an embodiment of the present application provides a terminal, the terminal includes a processor and a memory, at least one instruction is stored in the memory, and the at least one instruction is loaded and executed by the processor to implement the above-mentioned The request method of the network slicing service described in the aspect.
  • an embodiment of the present application provides a computer-readable storage medium, where at least one piece of program code is stored in the computer-readable storage medium, and the program code is loaded and executed by a processor to implement the above aspects.
  • the request method of the network slicing service is provided.
  • an embodiment of the present application provides a computer program product, where the computer program product includes computer instructions, and the computer instructions are stored in a computer-readable storage medium.
  • the processor of the computer device reads the computer instruction from the computer-readable storage medium, and the processor executes the computer instruction, so that the computer device executes the method for requesting the network slicing service provided in various optional implementation manners of the above aspects.
  • FIG. 1 is a system architecture diagram of a communication system provided by an exemplary embodiment of the present application
  • FIG. 2 shows a flowchart of a method for requesting a network slicing service provided by an exemplary embodiment of the present application
  • FIG. 3 shows a flowchart of a method for requesting a network slicing service provided in another exemplary embodiment of the present application
  • FIG. 4 is a schematic diagram of the implementation of the request method for the network slicing service shown in FIG. 3;
  • FIG. 5 shows a flowchart of a method for requesting a network slicing service provided by another exemplary embodiment of the present application
  • FIG. 6 shows a flowchart of a method for requesting a network slicing service provided by another exemplary embodiment of the present application
  • FIG. 7 is a schematic diagram of the implementation of the request method for the network slicing service shown in FIG. 6;
  • FIG. 8 shows a structural block diagram of an apparatus for requesting a network slicing service provided by an embodiment of the present application
  • FIG. 9 shows a structural block diagram of an apparatus for requesting a network slicing service provided by another embodiment of the present application.
  • Fig. 10 shows a schematic structural diagram of a terminal provided by an exemplary embodiment of the present application.
  • the method for requesting a network slicing service shown in this application is applied to the communication system shown in FIG. 1 , and the communication system includes a first terminal 11 , a network device 12 and a second terminal 13 .
  • the first terminal 11 and the second terminal 13 may include various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computer devices, IoT devices or other processing devices connected to wireless modems, as well as various forms of user Equipment, mobile station (Mobile Station, MS), terminal (terminal device) and so on.
  • terminals For convenience of description, the devices mentioned above are collectively referred to as terminals.
  • the network device 12 may be a base station, and the base station is a device deployed in an access network to provide a terminal with a wireless communication function.
  • the base station may include various forms of macro base stations, micro base stations, relay stations, access points and so on.
  • the names of devices with base station functions may be different. For example, in LTE systems, they are called eNodeB or eNB; in 5G NR-U systems, they are called gNodeB or gNB. .
  • the description "base station" may change.
  • the foregoing devices that provide wireless communication functions for terminals are collectively referred to as network devices.
  • the first terminal 11 and the network device 12, and the second terminal 13 and the network device 13 communicate with each other through some air interface technology, such as Uu interface.
  • the first terminal 11 and the second terminal 13 communicate with each other through a certain communication technology.
  • the first terminal 11 and the second terminal 13 may communicate through Bluetooth or WiFi technology.
  • the first terminal 11 and the second terminal 13 support device-to-device (Device to Device, D2D) communication, and sidelink (sidelink) communication can be performed between the first terminal 11 and the second terminal 13 through the PC-5 interface .
  • D2D Device to Device
  • sidelink (sidelink) communication can be performed between the first terminal 11 and the second terminal 13 through the PC-5 interface .
  • the sidelink communication implements addressing through the source identifier and destination identifier of the MAC layer, that is, no connection needs to be established before the communication.
  • the network device 12 further determines the NSSAI (allowed NSSAI) that allows registration from the requested NSSAI (requested NSSAI) through the core network device. NSSAI) and an NSSAI (rejected NSSAI) that refuses to register, thereby feeding back a registration acceptance message to the first terminal 11.
  • the first terminal 11 sends to the second terminal 13 network slice sharing information including NSSAI that allows registration.
  • the NSSAI allowed to be registered is the NSSAI supported by the current PLMN
  • the second terminal 13 requests the network slicing service
  • the registration request message sent to the network device 12 based on the NSSAI allowed to be registered shared by the first terminal 11 will not be rejected.
  • the second terminal 13 does not need to perform signaling interaction with the network device 12 to obtain the NSSAI allowing registration, which helps to reduce the signaling overhead of the terminal.
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • LTE-A Advanced Long Term Evolution
  • NR New Radio
  • evolution system of NR system LTE on unlicensed frequency band (LTE-based access to Unlicensed spectrum, LTE-U) system, NR-U system, Universal Mobile Telecommunication System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX) communication system, Next-generation communication systems or other communication systems, etc.
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • FIG. 2 shows a flow chart of a method for requesting a network slicing service provided by an exemplary embodiment of the present application.
  • This embodiment uses the communication system shown in FIG. 1 as an example for illustration.
  • the method include:
  • step 201 the first terminal sends a registration request message to the target PLMN, where the registration request message is used to request the target PLMN to provide a network slicing service.
  • the first terminal When the first terminal requests the network slicing service, it determines to request NSSAI (requested NSSAI), so as to send a registration request message (registration request) including the requested NSSAI to the target PLMN (that is, the PLMN where the first terminal is currently located), and the requested NSSAI is the first A collection of network slices to be used by the terminal under the target PLMN.
  • NSSAI quested NSSAI
  • the request NSSAI contains multiple single network slice selection assistance information (Single Network Slice Selection Assistance Information, S-NSSAI), and each S-NSSAI corresponds to one or more network slices, and the effective range of each S-NSSAI is the same as
  • the S-NSSAI consists of a slice/service type (Slice/Service Type, SST) and a slice differentiator (Slice Differentiator, SD).
  • the first terminal receives a registration acceptance message sent by the target PLMN, and the registration acceptance message includes an NSSAI allowing registration.
  • the network side After receiving the registration request message, the network side (core network) obtains the request NSSAI contained in the registration request message, and detects whether the current Access and Mobility Management Function (Access and Mobility Management Function, AMF) entity supports the request for each S-NSSAI in the NSSAI.
  • AMF Access and Mobility Management Function
  • the network side will take all the S-NSSAI supported by the current AMF entity as the NSSAI (allowed NSSAI) for registration, and accept the message through registration (registration accept) is fed back to the first terminal; if the current AMF entity does not support requesting the network slicing service associated with each S-NSSAI in the NSSAI, the network side will perform AMF entity reselection, so as to provide the first terminal with a network through other AMF entities Correspondingly, the network side uses the S-NSSAI supported by the current AMF entity as a rejected NSSAI (rejected NSSAI), and feeds back the registration acceptance message to the first terminal.
  • the NSSAI rejected NSSAI
  • the network side also needs to authenticate and authorize the network slicing service. If the network slicing service corresponding to S-NSSAI passes the authentication and authorization, add the S-NSSAI In the NSSAI that allows registration, if the network slicing service corresponding to the S-NSSAI has not passed the authentication and authorization, add the S-NSSAI to the denied NSSAI.
  • the first terminal After the first terminal receives the registration acceptance message issued by the target PLMN, it stores the NSSAI that allows registration and the NSSAI that refuses registration in the registration acceptance message, and then selects one or more from the NSSAI that allows registration when requesting the network slicing service again. S-NSSAI is used as the request NSSAI and added to the registration request message.
  • Step 203 the first terminal sends network slice sharing information to the second terminal under the target PLMN, and the network slice sharing information includes NSSAI that allows registration.
  • each terminal in the communication system needs to go through the above steps 201 to 202 to obtain the NSSAI issued by the network side to allow registration. Since the above process may go through processes such as AMF entity reselection, authentication, and authorization, it takes a long time for the terminal to obtain the network slicing service; and when the network slicing service requested by the terminal cannot be supported under the target PLMN, There will be a question of rejection.
  • the first terminal after the first terminal obtains the NSSAI that allows registration from the network side, in addition to its own subsequent use, it will also share the NSSAI that allows registration with other terminals under the target PLMN (that is, the second terminal), so as to save the signaling interaction between the second terminal and the network, so as to obtain the signaling overhead of the NSSAI that allows registration, and reduce the probability of being rejected when the terminal requests the network slicing service.
  • the target PLMN that is, the second terminal
  • the first terminal sends the network slice sharing information including the registered NSSAI to the second terminal.
  • the network slice sharing information further includes rejecting NSSAI, which is not limited in this embodiment.
  • the first terminal does not determine the second terminal before sending the network slice sharing information, and the terminal that receives the network slice sharing information determines whether it belongs to the second terminal (that is, the network slice sharing information is non-directional sending); or, the first terminal determines the second terminal before sending the network slice sharing information, so as to send the network slice sharing information to the second terminal in a directed manner (that is, the directed sending of the network slice sharing information).
  • Step 204 the second terminal receives the network slice sharing information sent by the first terminal.
  • the second terminal after receiving the network slicing sharing information, stores the registration-allowed NSSAI contained therein for subsequent use when requesting the network slicing service.
  • the second terminal also stores the NSSAI rejection.
  • the second terminal when the second terminal subsequently receives network slice sharing information sent by other terminals, if it corresponds to the same AMF entity as the currently stored NSSAI that allows registration, update the currently stored NSSAI that allows registration based on the network slice sharing information ; If the currently stored NSSAI that is allowed to be registered corresponds to a different AMF entity, store the NSSAI that is allowed to be registered included in the network slice sharing information.
  • Step 205 the second terminal requests the network slicing service from the target PLMN based on the NSSAI allowed to be registered.
  • the second terminal has a network slicing service requirement, that is, according to the required network slicing service, one or more S-NSSAIs are selected from the NSSAIs allowed to be registered as the requesting NSSAIs, so that based on the request
  • the NSSAI sends a registration request message to the target PLMN to obtain network slicing services.
  • the second terminal can directly request the network slicing service according to the NSSAI that allows registration shared by the first terminal, eliminating the need for signaling interaction with the target PLMN to obtain the NSSAI that allows registration. and, when requesting the network slicing service based on the NSSAI that allows registration, it will not be rejected because the target PLMN cannot provide the network slicing service, which improves the success rate of service acquisition.
  • the first terminal after the first terminal obtains the NSSAI that allows registration from the target PLMN, it sends the network slice sharing information that includes the NSSAI that allows registration to the second terminal under the target PLMN.
  • NSSAI is the NSSAI supported by the target PLMN. Therefore, when the second terminal subsequently requests the target PLMN for network slicing services based on the NSSAI that allows registration, it can avoid the problem that the service is rejected because the target PLMN cannot support the requested network slicing, which helps Improve the request success rate of the network slicing service and reduce the signaling overhead of the terminal.
  • sending network slice sharing information to the second terminal under the target PLMN including:
  • Broadcasting a data packet containing network slice sharing information includes at least one of Bluetooth broadcasting and WiFi broadcasting;
  • broadcast packets containing network slice sharing information including:
  • the data packet is broadcast, so that the terminal receiving the data packet determines whether it is located in the target PLMN based on the PLMN identifier.
  • the second terminal has the same subscription information as the first terminal;
  • a data packet is generated, including:
  • the second terminal has the same subscription information as the first terminal;
  • the method further includes:
  • Sending network slice sharing information to the second terminal through a sidelink including:
  • the network slice sharing information is sent to the second terminal through the sidelink.
  • the network slice sharing information also includes the entity identifier of the target AMF entity.
  • the target AMF entity is an AMF entity that supports NSSAI that allows registration.
  • the entity identifier is used for AMF reselection when the current AMF entity is different from the target AMF entity.
  • receiving the network slice sharing information sent by the first terminal includes:
  • the data packet includes network slice sharing information, and the broadcast mode of the data packet includes at least one of Bluetooth broadcast and WiFi broadcast;
  • the network slice sharing information sent by the first terminal is received through the sidelink.
  • the method before requesting the target PLMN for the network slicing service based on the NSSAI allowed to be registered, the method includes:
  • the NSSAIs that allow registration are stored.
  • the method before requesting the target PLMN for the network slicing service based on the NSSAI allowed to be registered, the method further includes:
  • the target signing information is the signing information of the first terminal
  • storing the NSSAI that allows registration includes:
  • the NSSAI that allows registration is stored.
  • the network slice sharing information also includes the entity identifier of the target AMF entity, and the target AMF entity is an AMF entity that supports NSSAI that allows registration;
  • Request network slicing services to the target PLMN based on the NSSAI allowed to be registered including:
  • the network slicing service is requested to the target PLMN based on the NSSAI allowed to be registered and the entity identifier, and the entity identifier is used for AMF reselection when the current AMF entity is different from the target AMF entity.
  • multiple S-NSSAIs are allowed to be included in the registered NSSAI;
  • Request network slicing services to the target PLMN based on the NSSAI allowed to be registered including:
  • the first terminal may broadcast a data packet containing network slice sharing information in a broadcasting manner, or the first terminal may use a side link (side link ) sending the network slice sharing information to the second terminal.
  • side link side link
  • FIG. 3 shows a flow chart of a method for requesting a network slicing service provided in another exemplary embodiment of the present application.
  • This embodiment uses the communication system shown in FIG. 1 as an example for illustration. Methods include:
  • step 301 the first terminal sends a registration request message to the target PLMN, where the registration request message is used to request the target PLMN to provide network slicing services.
  • the first terminal receives a registration acceptance message sent by the target PLMN, and the registration acceptance message includes an NSSAI allowing registration.
  • steps 301 to 302 For implementation manners of steps 301 to 302, reference may be made to steps 201 to 202, which will not be repeated in this embodiment.
  • step 303 the first terminal generates a data packet based on the NSSAI allowed to be registered and the PLMN identifier of the target PLMN.
  • the registration-allowed NSSAI and the PLMN identifier of the target PLMN are used as network slice sharing information.
  • PLMN Mobile Country Code (Mobile Country Code, MCC) + Mobile Network Code (Mobile Network Code, MNC).
  • MCC Mobile Country Code
  • MNC Mobile Network Code
  • the mobile country code corresponding to China is 460
  • the mobile network code corresponding to operator A is 00
  • the mobile network code corresponding to operator B is 01
  • the PLMN identifier of Chinese operator A is 46000
  • the Chinese operator B The PLMN ID is 46001.
  • Step 304 the first terminal broadcasts the data packet.
  • the first terminal After the data packet is generated, the first terminal broadcasts the data packet through Bluetooth or WiFi, so that the terminal receiving the data packet determines whether it is located in the target PLMN based on the PLMN identifier.
  • Step 305 the second terminal receives the data packet broadcast by the first terminal.
  • the second terminal receives the data packet broadcast by the first terminal through the Bluetooth component or the WiFi component. After receiving the data packet, in order to determine whether the NSSAI allowed to be registered in the data packet can be used, the second terminal needs to further determine whether it is located in the same PLMN as the first terminal (steps 306 to 307).
  • Step 306 the second terminal obtains the PLMN identifier included in the data packet, where the PLMN identifier is the identifier of the target PLMN.
  • the second terminal acquires the PLMN identifier contained in the data packet, and detects whether the PLMN identifier is consistent with the identifier of the PLMN where it is located, and if the two are consistent, it determines that it is located in the same PLMN as the first terminal ( That is, it is located in the target PLMN), so as to perform the following step 307; if the two are inconsistent, it is determined that the first terminal is located in a different PLMN (that is, located outside the target PLMN), and the information in the data packet is not stored.
  • step 307 in response to determining that it is located in the target PLMN based on the PLMN identifier, the second terminal stores the NSSAI that allows registration.
  • the second terminal determines that the registration-allowed NSSAI shared by the first terminal is available, and stores the registration-allowed NSSAI for subsequent use when requesting the network slicing service.
  • Step 308 the second terminal requests the network slicing service from the target PLMN based on the NSSAI allowed to be registered.
  • the first smart phone 41 located in the first PLMN (identified as "46000") obtains the NSSAI that allows registration through the first network device 42, it broadcasts through Bluetooth that includes Allow registered NSSAI and PLMN "46000" packets.
  • the first IoT device 43 , the second IoT device 44 and the second smart phone 45 located near the first smart phone 41 all receive the data packet.
  • the first IoT device 43 and the second IoT device 44 are both located in the first PLMN (the IoT device can have a built-in eSIM card), the first IoT device 43 and the second IoT device 44 store the NSSAI that allows registration in the data packet, Subsequently, the corresponding network slicing service is directly requested from the network according to the NSSAI allowed to be registered.
  • the second smart phone 45 Since the second smart phone 45 is located in the second PLMN (identified as "46001"), the second smart phone 45 will not store the NSSAI that allows registration in the data packet, but obtains the NSSAI that allows registration through the second network device 46 .
  • the terminal that receives the data packet can determine whether it is related to the first terminal based on the PLMN identifier.
  • a terminal is in the same PLMN, and when in the same PLMN, stores the NSSAI that allows registration for subsequent use, thereby avoiding the problem that terminals belonging to different PLMNs misuse the NSSAI that allows registration and cause service request failure.
  • the method may include the following steps.
  • Step 501 the first terminal sends a registration request message to the target PLMN, where the registration request message is used to request the target PLMN to provide a network slicing service.
  • the first terminal receives a registration acceptance message sent by the target PLMN, and the registration acceptance message includes an NSSAI allowing registration.
  • steps 501 to 502 For the implementation of steps 501 to 502, reference may be made to steps 201 to 202, which will not be repeated in this embodiment.
  • the first terminal In step 503, the first terminal generates a data packet based on the NSSAI allowed to be registered, the PLMN identifier, and the target subscription information of the first terminal.
  • the first terminal In order to avoid misusing the registration-allowed NSSAI in the data packet by a terminal located in a different PLMN from the first terminal, or by misuse of a registration-allowed NSSAI by a terminal located in the same PLMN as the second terminal but corresponding to different subscription information, the first terminal will The NSSAI that allows registration, the PLMN identifier of the target PLMN, and the target subscription information of the first terminal are used as network slice sharing information and added to the data packet, so that the terminal that receives the data packet determines whether to use the registration-allowed NSSAI based on the PLMN identifier and target subscription information. NSSAI.
  • Step 504 the first terminal broadcasts the data packet.
  • Step 505 the second terminal receives the data packet broadcast by the first terminal.
  • Step 506 the second terminal acquires the PLMN identifier included in the data packet, where the PLMN identifier is the identifier of the target PLMN.
  • Step 507 the second terminal obtains the target subscription information included in the data packet.
  • the second terminal acquires the PLMN identifier and target subscription information contained in the data packet, and detects whether the PLMN identifier is consistent with the identifier of the PLMN where it is located, and whether the target subscription information is consistent with its own subscription information . If the PLMN identity is consistent with the identity of the PLMN where it is located, and the target subscription information is consistent with its own subscription information, the terminal determines that it is located in the same PLMN as the first terminal and uses the same tariff, so as to perform the following step 508; The information in the packet is stored.
  • Step 508 In response to determining that the terminal is located in the target PLMN based on the PLMN identifier and having the same subscription information as the first terminal based on the target subscription information, store the NSSAI that allows registration.
  • the second terminal determines that the registration-allowed NSSAI shared by the first terminal is available, and stores the registration-allowed NSSAI for subsequent requests for network slicing services use.
  • Step 509 the second terminal requests the network slicing service from the target PLMN based on the NSSAI allowed to be registered.
  • the received data packet can determine whether it is in the same PLMN and uses the same tariff as the first terminal based on the PLMN identifier and subscription information, and when it is in the same PLMN and uses the same tariff, store the NSSAI that allows registration for subsequent use, thereby avoiding Terminals belonging to different PLMNs, or terminals belonging to the same PLMN but using different tariffs mistakenly use the NSSAI that is allowed to register, resulting in service request failure.
  • the first terminal after the first terminal obtains the NSSAI that allows registration, it can send the network slice containing the NSSAI that allows registration to the second terminal through a sidelink with the second terminal in the same PLMN Shared information.
  • the second terminal receives and stores the network slice shared information through the side link, so as to be used when subsequently requesting the network slice service. Since the data transmission through the side link does not need to pass through the network device, the signaling consumption of the terminal can be reduced, thereby reducing the power consumption of the terminal.
  • the first terminal needs to share the network with other terminals with the same subscription information in the same PLMN Slicing information to prevent terminals with different subscription information from misusing the NSSAI that allows registration, resulting in service denial.
  • FIG. 6 shows a flow chart of a method for requesting a network slicing service provided by another exemplary embodiment of the present application.
  • This embodiment uses the communication system shown in FIG. 1 as an example for illustration. Methods include:
  • Step 601 the first terminal sends a registration request message to the target PLMN, where the registration request message is used to request the target PLMN to provide a network slicing service.
  • Step 602 the first terminal receives a registration acceptance message sent by the target PLMN, and the registration acceptance message includes an NSSAI allowing registration.
  • steps 601 to 602 For implementation manners of steps 601 to 602, reference may be made to steps 201 to 202, and details are not described in this embodiment here.
  • Step 603 The first terminal acquires terminal information of the second terminal based on the target subscription information of the first terminal, and the second terminal has the same subscription information as the first terminal.
  • the network device can acquire the subscription information of the terminal.
  • the first terminal After obtaining the NSSAI allowing registration from the network side, the first terminal further obtains terminal information of a second terminal having the same subscription information as itself from the network side based on its own target subscription information.
  • the terminal information includes information required for sidelink communication, and this embodiment of the present application does not limit the specific content of the terminal information.
  • the network device may deliver the terminal information of the second terminal at the same time when delivering the registration acceptance message based on the target subscription information of the first terminal, which is not limited in this embodiment.
  • Step 604 Based on the terminal information, the first terminal sends network slice sharing information to the second terminal through a sidelink, and the network slice sharing information includes NSSAI that allows registration.
  • the first terminal sends the network slicing information to the second terminal having the same subscription information through the sidelink, so that the second terminal can use it when requesting the network slicing service subsequently.
  • the first terminal may send the network slice sharing information to the second terminal in a unicast or multicast manner.
  • Step 605 the second terminal receives the network slice sharing information sent by the first terminal through the sidelink.
  • the second terminal receives the network slice sharing information sent by the first terminal through the side link, and stores the registration-allowed NSSAI contained therein.
  • the first terminal may also use the target subscription information as part of the network slice sharing information, and send the network slice sharing information to other terminals under the same PLMN through a sidelink in a broadcast manner.
  • the terminal After receiving the network slice sharing information through the sidelink, the terminal determines whether it uses the same tariff as the first terminal based on its own subscription information and target subscription information, and stores the NSSAI that allows registration when the two are the same. When the two are different, the NSSAI that allows registration is not stored.
  • Step 606 the second terminal requests the network slicing service from the target PLMN based on the NSSAI allowed to be registered.
  • the first smart phone 71, the second smart phone 72, the third smart phone 73, and the fourth smart phone 74 are all located in the same PLMN, and the corresponding subscription information is "Contract Information A”, “Contract Information A”, “Contract Information B”, and "Contract Information B”.
  • the first smart phone 71 obtains the NSSAIA A that allows registration through the network device 75
  • the second smart phone 72 corresponds to the same subscription information as the first smart phone 71
  • the first smart phone 71 reports to the second smart phone 71 through a sidelink link.
  • Mobile phone 72 sends NSSAIA A that allows registration.
  • the fourth smart phone 74 After the fourth smart phone 74 obtains the NSSAI B that allows registration through the network device 75, since the third smart phone 73 and the fourth smart phone 74 correspond to the same subscription information, the fourth smart phone 74 reports to the third smart phone 74 through a sidelink link. Mobile phone 73 sends the NSSAIB that allows registration.
  • the operator when the operator provides differentiated network slicing services for terminals with different tariffs, after the first terminal obtains the NSSAI that allows registration from the network side, it sends the NSSAI that allows registration to the The second terminal has the same subscription information as itself, so that the second terminal can directly request the network slicing service based on the NSSAI that allows registration, and avoid the problem that terminals belonging to the same PLMN but using different tariffs mistakenly use the NSSAI that allows registration to cause the service request to fail.
  • the network slice sharing information shared by the first terminal further includes an entity identifier of a target AMF entity, and the target AMF entity is an AMF entity supporting NSSAI that allows registration.
  • the second terminal requests to obtain the network slicing service based on the NSSAI that allows registration, if the current AMF entity is inconsistent with the target AMF entity, the current AMF entity performs AMF reselection according to the entity identifier, thereby improving the accuracy and speed of reselection.
  • the entity identifier of the target AMF entity is acquired by the first terminal from the registration acceptance message.
  • the second terminal When requesting a network slicing service from the target PLMN based on the NSSAI that allows registration, if the NSSAI that allows registration contains multiple S-NSSAIs, the second terminal selects the requested NSSAI from the NSSAI that allows registration, and sends an inclusion request to the target PLMN Registration request message for NSSAI.
  • the network side when determining the NSSAI that allows registration, the network side will also authenticate and authorize the network slicing services corresponding to some S-NSSAIs. Therefore, in order to prevent the second terminal from requesting the network slicing service based on the NSSAI that allows registration, the network side performs Repeat the authentication and authorization.
  • the second terminal when the second terminal requests the target PLMN for network slicing services based on the NSSAI that allows registration, it selects the request NSSAI from the NSSAI that allows registration, so as to send the request to the target PLMN.
  • NSSAI and A registration request message with the target flag bit wherein, the target flag bit is used to indicate the requested NSSAI, and is selected from the NSSAI shared by the first terminal that allows registration.
  • the network side receives the registration request message and recognizes the target flag, if the network slicing service requested by the second terminal requires authentication and authorization, the authentication and authorization process can be omitted, thereby simplifying the registration process on the network side. Improve the acquisition efficiency of network slicing services.
  • the target flag may be a reserved flag in the registration request message, which is not limited in this embodiment of the present application.
  • the steps performed by the first terminal can be independently implemented as the request method of the network slicing service on the first terminal side, and the steps performed by the second terminal can be implemented independently as the second The method for requesting the network slicing service at the terminal side will not be described in detail here in this embodiment.
  • FIG. 8 shows a structural block diagram of an apparatus for requesting a network slicing service provided by an embodiment of the present application.
  • the device is capable of implementing the functions performed by the first terminal in the above method embodiments, and the functions may be implemented by hardware, or may be implemented by hardware executing corresponding software. As shown in Figure 8, the device may include:
  • the first sending module 801 is configured to send a registration request message to a target PLMN, where the registration request message is used to request the target PLMN to provide a network slicing service;
  • the first receiving module 802 is configured to receive a registration acceptance message issued by the target PLMN, where the registration acceptance message includes an NSSAI that allows registration;
  • the second sending module 803 is configured to send network slice sharing information to a second terminal under the target PLMN, where the network slice sharing information includes the NSSAI that allows registration, so that the second terminal can register based on the allowed registration
  • the NSSAI requests the network slicing service from the target PLMN.
  • the second sending module 803 includes:
  • a broadcast unit configured to broadcast a data packet containing the shared information of the network slice, where the broadcast mode of the data packet includes at least one of Bluetooth broadcast and WiFi broadcast;
  • a sidelink sending unit configured to send the network slice sharing information to the second terminal through a sidelink.
  • the broadcast unit is used for:
  • the terminal receiving the data packet determines whether it is located in the target PLMN based on the PLMN identifier.
  • the second terminal has the same subscription information as the first terminal;
  • the broadcast unit is also used for:
  • the PLMN identifier, and the target subscription information of the first terminal Based on the NSSAI that allows registration, the PLMN identifier, and the target subscription information of the first terminal, generate the data packet, so that the terminal that receives the data packet determines based on the PLMN identifier and the target subscription information Whether it is located in the target PLMN and has the same subscription information as the first terminal.
  • the second terminal has the same subscription information as the first terminal;
  • the device also includes:
  • a subscription information acquisition module configured to acquire terminal information of the second terminal based on the target subscription information of the first terminal
  • the sidelink sending unit is used for:
  • the network slice sharing information also includes an entity identifier of a target AMF entity, where the target AMF entity is an AMF entity that supports the NSSAI that allows registration, and the entity identifier is used between the current AMF entity and the The target AMF entity does not perform AMF reselection concurrently.
  • FIG. 9 shows a structural block diagram of an apparatus for requesting a network slicing service provided by another embodiment of the present application.
  • the device is capable of implementing the functions performed by the second terminal in the above method embodiments, and the functions may be implemented by hardware, or may be implemented by hardware executing corresponding software.
  • the device may include:
  • the second receiving module 901 is configured to receive network slice sharing information sent by the first terminal, where the network slice sharing information includes NSSAI that allows registration, and the NSSAI that allows registration is issued by the first terminal from the target PLMN Obtained from the registration acceptance message;
  • the third sending module 902 is configured to request a network slicing service from the target PLMN based on the NSSAI allowing registration.
  • the second receiving module 901 includes:
  • the first receiving unit is configured to receive a data packet broadcast by the first terminal, the data packet includes the network slice sharing information, and the broadcast mode of the data packet includes at least one of Bluetooth broadcast and WiFi broadcast;
  • the second receiving unit is configured to receive the network slice sharing information sent by the first terminal through a sidelink.
  • the device also includes:
  • An identification acquisition module configured to acquire the PLMN identification contained in the data packet, where the PLMN identification is the identification of the target PLMN;
  • a storage module configured to store the registration-allowed NSSAI in response to determining that the PLMN is located in the target PLMN based on the PLMN identifier.
  • the device also includes:
  • a subscription information obtaining module configured to obtain target contract information contained in the data packet, where the target contract information is the contract information of the first terminal;
  • the network slice sharing information further includes an entity identifier of a target AMF entity, where the target AMF entity is an AMF entity that supports the NSSAI that allows registration;
  • the third sending module 902 is configured to:
  • the NSSAI allowed to be registered includes multiple S-NSSAIs;
  • the third sending module 902 is further configured to:
  • FIG. 10 shows a schematic structural diagram of a terminal (a first terminal or a second terminal) provided by an exemplary embodiment of the present application.
  • the terminal includes: a processor 1001 , a receiver 1002 , a transmitter 1003 , a memory 1004 and a bus 1005 .
  • the processor 1001 includes one or more processing cores, and the processor 1001 executes various functional applications and information processing by running software programs and modules.
  • the receiver 1002 and the transmitter 1003 can be realized as a communication component, and the communication component can be a communication chip.
  • the memory 1004 is connected to the processor 1001 through a bus 1005 .
  • the memory 1004 may be used to store at least one instruction, and the processor 1001 is used to execute the at least one instruction, so as to implement various steps in the foregoing method embodiments.
  • volatile or non-volatile storage devices include but not limited to: magnetic disk or optical disk, electrically erasable and programmable Read Only Memory (Erasable Programmable Read Only Memory, EEPROM), Erasable Programmable Read Only Memory (EPROM), Static Random Access Memory (SRAM), Read Only Memory (Read -Only Memory, ROM), magnetic memory, flash memory, programmable read-only memory (Programmable Read-Only Memory, PROM).
  • volatile or non-volatile storage devices include but not limited to: magnetic disk or optical disk, electrically erasable and programmable Read Only Memory (Erasable Programmable Read Only Memory, EEPROM), Erasable Programmable Read Only Memory (EPROM), Static Random Access Memory (SRAM), Read Only Memory (Read -Only Memory, ROM), magnetic memory, flash memory, programmable read-only memory (Programmable Read-Only Memory, PROM).
  • the embodiment of the present application also provides a computer-readable storage medium, the computer-readable storage medium stores at least one piece of program code, and the program code is loaded and executed by a processor to implement the network slicing service described in each of the above embodiments request method.
  • a computer program product comprising computer instructions stored in a computer readable storage medium.
  • the processor of the computer device reads the computer instruction from the computer-readable storage medium, and the processor executes the computer instruction, so that the computer device executes the method for requesting the network slicing service provided in various optional implementation manners of the above aspect.
  • the "plurality” mentioned herein refers to two or more than two.
  • “And/or” describes the association relationship of associated objects, indicating that there may be three types of relationships, for example, A and/or B may indicate: A exists alone, A and B exist simultaneously, and B exists independently.
  • the character "/” generally indicates that the contextual objects are an "or” relationship.
  • the numbering of the steps described herein only exemplarily shows a possible sequence of execution among the steps. In some other embodiments, the above-mentioned steps may not be executed according to the order of the numbers, such as two different numbers The steps are executed at the same time, or two steps with different numbers are executed in the reverse order as shown in the illustration, which is not limited in this embodiment of the present application.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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  • Mobile Radio Communication Systems (AREA)

Abstract

Procédés et appareil de demande de service de tranche de réseau, terminal, et support de stockage, appartenant au domaine technique des communications. Un procédé comprend les étapes suivantes : un premier terminal envoyant un message de demande d'enregistrement à un PLMN cible (201) ; réception d'un message d'acceptation d'enregistrement émis par le PLMN cible, le message d'acceptation d'enregistrement contenant des NSSAI qui sont autorisées à être enregistrées (202) ; envoi d'informations de partage de tranche de réseau à un second terminal sous le PLMN cible, les informations de partage de tranche de réseau contenant les NSSAI qui sont autorisées à être enregistrées (203) ; le second terminal recevant les informations de partage de tranche de réseau envoyées par le premier terminal (204) ; et demande, sur la base des NSSAI qui sont autorisées à être enregistrées, d'un service de tranche de réseau à partir du PLMN cible (205).
PCT/CN2022/091006 2021-06-25 2022-05-05 Procédés et appareil de demande de service de tranche de réseau, terminal, et support de stockage WO2022267703A1 (fr)

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CN114501612B (zh) * 2021-12-02 2024-02-13 Oppo广东移动通信有限公司 一种资源分配方法及终端、网络设备、存储介质
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