WO2021138784A1 - Procédé, appareil et système d'accès au réseau - Google Patents

Procédé, appareil et système d'accès au réseau Download PDF

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Publication number
WO2021138784A1
WO2021138784A1 PCT/CN2020/070553 CN2020070553W WO2021138784A1 WO 2021138784 A1 WO2021138784 A1 WO 2021138784A1 CN 2020070553 W CN2020070553 W CN 2020070553W WO 2021138784 A1 WO2021138784 A1 WO 2021138784A1
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WO
WIPO (PCT)
Prior art keywords
access technology
usim
network element
terminal device
service
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PCT/CN2020/070553
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English (en)
Chinese (zh)
Inventor
应江威
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华为技术有限公司
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Priority to PCT/CN2020/070553 priority Critical patent/WO2021138784A1/fr
Publication of WO2021138784A1 publication Critical patent/WO2021138784A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H04W76/16—Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer

Definitions

  • the embodiments of the present application relate to the field of communication technologies, and in particular, to a method, device, and system for accessing a network.
  • the USIM card can use the 3rd generation partnership project (3rd generation partnership project, 3GPP) access technology to transmit services, or use non-3GPP (Non-3GPP, or called N3GPP) access technology to transmit services, or use 3GPP and N3GPP access technologies to transmit services at the same time.
  • 3rd generation partnership project 3rd generation partnership project, 3GPP
  • N3GPP non-3GPP
  • 3GPP and N3GPP access technologies to transmit services at the same time.
  • the embodiments of the present application provide a method, device, and system for accessing a network, so as to avoid conflicts that may occur when two USIM cards use 3GPP and N3GPP access technologies to transmit services.
  • this application provides a method for accessing a network, including: a terminal device receives a user policy of a first USIM from a policy control network element, and the user policy is used to instruct the first USIM to preferentially select the interface used by the second USIM.
  • Access technologies with different access technologies the access technology is N3GPP access technology or 3GPP access technology, or the user policy is used to instruct the first USIM to preferentially select the N3GPP access technology.
  • the terminal device includes the first USIM and the second USIM, the terminal device selects the first access technology to transmit the service of the first USIM according to the user policy.
  • the access technology used by the first USIM is different from the access technology used by the second USIM, thereby avoiding the use of two USIM cards
  • the same access technology causes conflicts.
  • the terminal device selects the first access technology to transmit the services of the first USIM according to the user policy, including: if the second USIM uses the 3GPP access technology, the terminal device selects the N3GPP access for the first USIM Into the technology to transmit the first USIM business.
  • the terminal device selects the first access technology to transmit the services of the first USIM according to the user strategy, including: if the N3GPP access technology is a trusted N3GPP access technology, the second USIM uses N3GPP access Technology, the terminal device selects the 3GPP access technology for the first USIM to transmit the service of the first USIM. Or, if the N3GPP access technology is an untrusted N3GPP access technology and the second USIM uses the N3GPP access technology, the terminal device selects the N3GPP access technology for the first USIM to transmit the services of the first USIM.
  • the terminal device selects the first access technology to transmit the service of the first USIM according to the user policy includes: if the second USIM is in an idle state, the terminal device selects the N3GPP access technology for the first USIM to transmit The first USIM business.
  • the terminal device selects the N3GPP access technology for the first USIM to transmit the services of the first USIM, that is, when the N3GPP access technology is available, the first USIM uses the N3GPP access technology, and this solution prefers to use the N3GPP access technology.
  • the 3GPP communication connection can be established for the other services when the N3GPP access technology is used, thus avoiding the use of two USIM cards.
  • the same access technology leads to conflicts, which helps to ensure the success of the business to the greatest extent.
  • the terminal device sends instruction information to the mobility management network element, and the instruction information is used to indicate that the terminal device has the MUSIM capability.
  • the terminal device selects the first access technology to transmit the services of the first USIM according to the user policy, including: when the second USIM uses the 3GPP access technology, the terminal device selects the N3GPP access for the first USIM Technology transfers the business of the first USIM.
  • the terminal device selects the first access technology to transmit the services of the first USIM according to the user strategy, including: if the N3GPP access technology is a trusted N3GPP access technology, the second USIM uses N3GPP access When technology, the terminal equipment selects the 3GPP access technology for the first USIM to transmit the services of the first USIM; or, if the N3GPP access technology is an untrusted N3GPP access technology, and the second USIM uses the N3GPP access technology, the terminal equipment is The first USIM selects the N3GPP access technology to transmit the service of the first USIM.
  • the terminal device selects the first access technology to transmit the service of the first USIM according to the user policy, including: when the second USIM is in the idle state, the terminal device selects the N3GPP access technology for the first USIM to transmit The first USIM business.
  • the terminal device receives first information from the policy control network element, the first information is used to indicate the use range of the user policy, and the use range includes the first public land mobile network PLMN or the first PLMN
  • the first area the first area is a tracking area (for example, a TAI list) or a base station coverage area (for example, RAN ID(s) and/or cell ID(s)) or a geographic location area (for example, Haidian District, Beijing).
  • this application provides a method for accessing a network, including: a terminal device establishes a MAPDU session for a first USIM, the MAPDU session is used to transmit the service of the first USIM, and the terminal device includes the first USIM and the second USIM.
  • the MAPDU session uses the first access technology to transmit the first service of the first USIM and the second service of the second USIM needs to be transmitted using the first access technology
  • the terminal device uses the first access technology to transmit the second service, and Use the second access technology to transmit the first service.
  • the terminal device uses the first access technology to transmit the second service , And use the second access technology to transmit the first service.
  • the terminal device uses the first access technology.
  • the second access technology is used to transmit the second service, and the second access technology is used to transmit the first service.
  • the access technology used by the first USIM is different from the access technology used by the second USIM, thereby avoiding the use of two USIM cards
  • the same access technology causes conflicts.
  • the terminal device if the terminal device supports the MUSIM capability, or if the terminal device supports the MUSIM capability and there are multiple USIMs, the terminal device initiates the establishment of a MAPDU session, that is, sends a session establishment request message and instruction information to the AMF,
  • the session establishment request message is used to request the establishment of a PDU session, and the indication information is used to indicate the establishment of a MAPDU session.
  • the priority of the second service is higher than the priority of the first service.
  • the terminal device after the terminal device uses the second access technology to transmit the first service, the terminal device sends instruction information to the mobility management network element.
  • the instruction information is used to indicate that the first access technology is not used to transmit the first service.
  • USIM services in other words, the indication information is used to indicate that the first access technology is used to transmit other USIM services; or, the indication information is used to indicate that the first access technology is suspended or released due to MUSIM.
  • the present application provides a method for accessing a network, including: a policy control network element receives instruction information from a mobility management network element, and the instruction information is used to indicate that the terminal device has MUSIM capability.
  • the policy control network element sends the user policy of the first USIM to the terminal device according to the instruction information.
  • the user policy is used to instruct the first USIM to preferentially select an access technology different from the access technology used by the second USIM.
  • the access technology is N3GPP access. Access technology or 3GPP access technology, or the user policy is used to indicate that the N3GPP access technology is preferentially selected for the first USIM.
  • the access technology used by the first USIM is different from the access technology used by the second USIM, thereby avoiding the use of two USIM cards
  • the same access technology causes conflicts.
  • the first USIM preferentially selects an access technology different from the access technology used by the second USIM, including: if the second USIM uses the 3GPP access technology, the first USIM uses the N3GPP access technology .
  • the first USIM preferentially selects an access technology different from the access technology used by the second USIM, including: if the N3GPP access technology is a trusted N3GPP access technology, the second USIM uses the N3GPP access technology Access technology, the first USIM uses 3GPP access technology. Or, if the N3GPP access technology is an untrusted N3GPP access technology and the second USIM uses the N3GPP access technology, the first USIM uses the N3GPP access technology.
  • the first USIM preferentially selects an access technology different from the access technology used by the second USIM, including: if the second USIM is in an idle state, the first USIM uses the N3GPP access technology.
  • the policy control network element sends first information to the terminal device, the first information is used to indicate the use range of the user policy, and the use range includes the first network PLMN or the first area within the first PLMN ,
  • the first area is the tracking area, or base station coverage area, or geographic location area.
  • this application provides a method for accessing a network, including: a session management network element receives a first request and first indication information of a first USIM from a mobility management network element, the first indication information is used to instruct a terminal device With MUSIM capability, the first request is used to request the establishment of a session.
  • the session management network element establishes a MAPDU session for the first USIM according to the first request and the first indication information.
  • the MAPDU session uses the first access technology and/or the second access technology to transmit services, and the terminal equipment includes the first USIM and the second USIM. USIM.
  • the MAPDU session uses the first access technology to transmit services.
  • the session management network element establishes a communication connection of the second access technology of the MAPDU session for the first USIM.
  • the session management network element does not initiate the deactivation/release of the communication connection of the second access technology of the MAPDU session according to the first indication information; on the other hand, the session management network element sends the second indication information to the access network device
  • the second indication information is used to indicate to maintain the communication connection of the second access technology of the MAPDU session to ensure that the access network device will not initiate deactivation because there is no data transmission on the communication connection of the second access technology of the MAPDU session /Release the communication connection of the second access technology of the MAPDU session.
  • the MAPDU session uses the first access technology or uses the first access technology and the second access technology to transmit services.
  • the session management network element receives the third indication information from the mobility management network element, the third indication information is used to indicate that the first access technology is not used to transmit the service of the first USIM; in other words, the third indication information is used to indicate the first access
  • the access technology is used to transmit other USIM services; in other words, the third indication information is used to indicate that the first access technology is suspended or released due to MUSIM.
  • the session management network element uses the second access technology to transmit the service of the first USIM according to the third indication information.
  • this application provides a device for accessing a network.
  • the device may be a terminal device or a chip for the terminal device.
  • the device has the function of implementing the foregoing first aspect, second aspect, or each embodiment of the first aspect, or each embodiment of the second aspect. This function can be realized by hardware, or by hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above-mentioned functions.
  • the present application provides a device for accessing a network.
  • the device may be a policy control network element or a chip for a policy control network element.
  • the device has the function of realizing each embodiment of the third aspect or the fourth aspect. This function can be realized by hardware, or by hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above-mentioned functions.
  • the present application provides a device for accessing a network.
  • the device may be a session management network element or a chip used for the session management network element.
  • the device has the function of realizing the foregoing fourth aspect or the embodiments of the fourth aspect. This function can be realized by hardware, or by hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above-mentioned functions.
  • the present application provides a device for accessing a network, including a processor and a memory; the memory is used to store computer execution instructions, and when the device is running, the processor executes the computer execution instructions stored in the memory to The device is caused to execute the method according to the above-mentioned first aspect to the fourth aspect, or each embodiment of the first aspect to the fourth aspect.
  • the present application provides an apparatus for accessing a network, which includes units or means for performing each step of the above-mentioned first aspect to the fourth aspect or the first aspect to the fourth aspect. .
  • the present application provides a device for accessing a network, including a processor and an interface circuit, the processor is configured to communicate with other devices through the interface circuit, and execute the first aspect to the fourth aspect, or the first aspect To the method of each embodiment of the fourth aspect.
  • the processor includes one or more.
  • the present application provides a device for accessing a network, including a processor, configured to be connected to a memory, and used to call a program stored in the memory to execute the first aspect to the fourth aspect, or the first aspect. From one aspect to the fourth aspect, the method of each embodiment.
  • the memory can be located inside the device or outside the device.
  • the processor includes one or more.
  • the present application also provides a computer-readable storage medium that stores instructions in the computer-readable storage medium, which when run on a computer, causes a processor to execute the first to fourth aspects, Or the method described in each embodiment of the first aspect to the fourth aspect.
  • this application also provides a computer program product including instructions, which when run on a computer, causes the computer to execute the embodiments of the first aspect to the fourth aspect, or the first aspect to the fourth aspect. The method described.
  • the present application also provides a chip system, including a processor, configured to execute the methods described in the first aspect to the fourth aspect, or the first aspect to the fourth aspect in each embodiment.
  • this application also provides a communication system, including: a mobility management network element and a policy control network element.
  • the mobility management network element is used to receive the first indication information from the terminal device, and the first indication information is used to indicate that the terminal device has the MUSIM capability.
  • the policy control network element is used to receive the second indication information from the mobility management network element.
  • the user policy is used to instruct the first USIM to preferentially select an access technology that is different from the access technology used by the second USIM.
  • the access technology is N3GPP access technology or 3GPP access technology Or, the user policy is used to instruct to preferentially select the N3GPP access technology for the first USIM.
  • the policy control network element is also used to send first information to the terminal device, the first information is used to indicate the use range of the user policy, and the use range includes the first network PLMN or the first PLMN
  • the first area is the tracking area, or base station coverage area, or geographic coverage area.
  • the mobility management network element is also used to receive the subscription data of the terminal device from the data management network element, and the subscription data includes the subscription data of the first USIM.
  • the mobility management network element is used for sending second indication information to the policy control network element according to the first indication information, including: used for sending the second indication information to the policy control network element according to the first indication information and the subscription data of the terminal device .
  • this application also provides a method for accessing a network, including: a mobility management network element receives first indication information from a terminal device, where the first indication information is used to indicate that the terminal device has MUSIM capability.
  • the mobility management network element sends second indication information to the policy control network element according to the first indication information, where the second indication information is used to indicate that the terminal device has MUSIM capability.
  • the policy control network element receives the second indication information from the mobility management network element.
  • the policy control network element sends the user policy of the first USIM to the terminal device.
  • the user policy is used to instruct the first USIM to preferentially select an access technology different from the access technology used by the second USIM.
  • the access technology is N3GPP access technology or The 3GPP access technology, or the user policy, is used to instruct the first USIM to preferentially select the N3GPP access technology.
  • this application also provides a communication system, including: a mobility management network element and a session management network element.
  • the mobility management network element is used to send a first request of the first USIM and first indication information to the session management network element, the first indication information is used to indicate that the terminal device has MUSIM capability, and the first request is used to request the establishment of a session.
  • the session management network element is configured to receive the first request and the first indication information from the mobility management network element.
  • a MAPDU session is established for the first USIM.
  • the MAPDU session uses the first access technology and/or the second access technology to transmit services, and the terminal device includes the first USIM and the second USIM.
  • the MAPDU session uses the first access technology to transmit services.
  • the session management network element is also used to establish a communication connection of the second access technology of the MAPDU session for the first USIM.
  • the session management network element does not initiate the deactivation/release of the communication connection of the second access technology of the MAPDU session according to the first indication information; on the other hand, the session management network element sends the second indication information to the access network device
  • the second indication information is used to indicate to maintain the communication connection of the second access technology of the MAPDU session to ensure that the access network device will not initiate deactivation because there is no data transmission on the communication connection of the second access technology of the MAPDU session /Release the communication connection of the second access technology of the MAPDU session.
  • the MAPDU session uses the first access technology or uses the first access technology and the second access technology to transmit services.
  • the session management network element is also used to receive third indication information from the mobility management network element, the third indication information is used to indicate that the first access technology is not used to transmit the service of the first USIM; in other words, the third indication information is used to It indicates that the first access technology is used to transmit other USIM services; in other words, the third indication information is used to indicate that the first access technology is suspended or released due to MUSIM.
  • the second access technology is used to transmit the service of the first USIM.
  • this application also provides a method for accessing a network, including: a mobility management network element sending a first request and first indication information of a first USIM to the session management network element, the first indication information being used to indicate
  • the terminal device has MUSIM capability, and the first request is used to request the establishment of a session.
  • the session management network element receives the first request and the first indication information from the mobility management network element.
  • the session management network element establishes a MAPDU session for the first USIM according to the first request and the first indication information.
  • the MAPDU session uses the first access technology and/or the second access technology to transmit services, and the terminal equipment includes the first USIM and the second USIM. USIM.
  • Figure 1A is a schematic diagram of a 5G network architecture based on a service-oriented architecture
  • Figure 1B is a schematic diagram of a 5G network architecture based on a point-to-point interface
  • FIG. 2 is a schematic flowchart of a method for accessing a network according to an embodiment of the application
  • FIG. 3 is a schematic flowchart of another method for accessing a network according to an embodiment of the application
  • FIG. 4 is a schematic flowchart of another method for accessing a network provided by an embodiment of this application.
  • Figure 5 is a schematic diagram of data transmission in a MAPDU session scenario
  • FIG. 6 is a schematic flowchart of another method for accessing a network according to an embodiment of this application.
  • FIG. 7 is a schematic diagram of a device for accessing a network provided by this application.
  • FIG. 8 is a schematic diagram of another device for accessing the network provided by this application.
  • FIG. 9 is a schematic diagram of another device for accessing the network provided by this application.
  • FIG. 10 is a schematic diagram of a terminal device provided by this application.
  • FIG. 11 is a schematic diagram of another device for accessing the network provided by this application.
  • FIG. 1A it is a schematic diagram of a fifth generation (5G) network architecture based on a service-oriented architecture.
  • the 5G network architecture shown in FIG. 1A may include three parts, namely a terminal equipment part, a data network (DN), and an operator network part.
  • DN data network
  • Operator network part The functions of some of the network elements are briefly introduced below.
  • the operator network may include one or more of the following network elements: Authentication Server Function (AUSF) network elements, network exposure function (NEF) network elements, policy control function (policy control) function, PCF) network element, unified data management (UDM) network element, unified database (Unified Data Repository, UDR), network storage function (Network Repository Function, NRF) network element, application function (AF) ) Network element, access and mobility management function (AMF) network element, session management function (SMF) network element, radio access network (RAN) and user plane function (user plane function, UPF) network elements, etc.
  • AUSF Authentication Server Function
  • NEF network exposure function
  • policy control policy control
  • PCF policy control function
  • UDM unified data management
  • UDR Unified Data Repository
  • NRF Network Repository Function
  • AMF access and mobility management function
  • SMS session management function
  • RAN radio access network
  • UPF user plane function
  • Terminal device is a device with wireless transceiver function. It can be deployed on land, including indoor or outdoor, handheld or vehicle-mounted; it can also be deployed on the water (such as ships, etc.); it can also be deployed in the air ( For example, airplanes, balloons, satellites, etc.).
  • the terminal device may be a mobile phone (mobile phone), a tablet computer (pad), a computer with wireless transceiver function, a virtual reality (VR) terminal, an augmented reality (AR) terminal, an industrial control (industrial control) Wireless terminals in ), wireless terminals in self-driving, wireless terminals in remote medical, wireless terminals in smart grid, and wireless terminals in transportation safety , Wireless terminals in smart cities, wireless terminals in smart homes, user equipment (UE), etc.
  • a mobile phone mobile phone
  • a tablet computer pad
  • a computer with wireless transceiver function a virtual reality (VR) terminal, an augmented reality (AR) terminal, an industrial control (industrial control) Wireless terminals in ), wireless terminals in self-driving, wireless terminals in remote medical, wireless terminals in smart grid, and wireless terminals in transportation safety , Wireless terminals in smart cities, wireless terminals in smart homes, user equipment (UE), etc.
  • VR virtual reality
  • AR augmented reality
  • industrial control industrial control
  • the above-mentioned terminal device can establish a connection with the operator's network through an interface (such as N1, etc.) provided by the operator's network, and use the data and/or voice services provided by the operator's network.
  • the terminal device can also access the DN through the operator's network, and use the operator's service deployed on the DN and/or the service provided by a third party.
  • the above-mentioned third party may be a service party other than the operator's network and terminal equipment, and may provide other services such as data and/or voice for the terminal equipment.
  • the specific form of expression of the above-mentioned third party can be determined according to actual application scenarios, and is not limited here.
  • RAN is a sub-network of an operator's network, and an implementation system between service nodes and terminal equipment in the operator's network.
  • the terminal device To access the operator's network, the terminal device first passes through the RAN, and then can be connected to the service node of the operator's network through the RAN.
  • RAN equipment is a type of equipment that provides wireless communication functions for terminal equipment.
  • RAN equipment is also called access network equipment.
  • RAN equipment includes but is not limited to: next-generation base stations (gnodeB, gNB) in 5G, evolved node B (evolved node B, eNB), radio network controller (RNC), node B (node B, NB), base station controller (BSC), base transceiver station (BTS), home base station (for example, home evolved nodeB, or home node B, HNB), baseband unit (BBU) , Transmission point (transmitting and receiving point, TRP), transmitting point (transmitting point, TP), mobile switching center, etc.
  • next-generation base stations gnodeB, gNB
  • 5G evolved node B (evolved node B, eNB), radio network controller (RNC), node B (node B, NB), base station controller (BSC), base transceiver station (BTS), home base station (for example, home evolved nodeB, or home node B, HNB), baseband unit (BBU) , Transmission point (transmitting and receiving
  • the AMF network element mainly performs functions such as mobility management and access authentication/authorization. In addition, it is also responsible for transferring user policies between UE and PCF.
  • the SMF network element mainly performs functions such as session management, execution of control policies issued by PCF, selection of UPF, and UE Internet Protocol (IP) address allocation.
  • functions such as session management, execution of control policies issued by PCF, selection of UPF, and UE Internet Protocol (IP) address allocation.
  • IP Internet Protocol
  • the UPF network element as the interface UPF with the data network, completes functions such as user plane data forwarding, session/stream-based billing statistics, and bandwidth limitation.
  • the UDM network element is mainly responsible for functions such as management of contract data and user access authorization.
  • UDR is mainly responsible for the access function of contract data, strategy data, application data and other types of data.
  • NEF network elements are mainly used to support the opening of capabilities and events.
  • the AF network element mainly conveys the requirements of the application side to the network side, for example, quality of service (QoS) requirements or user status event subscriptions.
  • QoS quality of service
  • the AF can be a third-party functional entity, or an application service deployed by an operator, such as an IP Multimedia Subsystem (IMS) voice call service.
  • IMS IP Multimedia Subsystem
  • the PCF network element is mainly responsible for policy control functions such as billing, QoS bandwidth guarantee and mobility management, and user policy decision-making for sessions and service flow levels.
  • the PCF connected to the AMF and the SMF corresponds to AM PCF (PCF for Access and Mobility Control) and SM PCF (PCF for Session Management), and may not be the same PCF entity in actual deployment scenarios.
  • the NRF network element can be used to provide the network element discovery function, and provide the network element information corresponding to the network element type based on the request of other network elements.
  • NRF also provides network element management services, such as network element registration, update, de-registration, and network element status subscription and push.
  • AUSF network element Mainly responsible for authenticating users to determine whether users or devices are allowed to access the network.
  • a DN is a network located outside the operator's network.
  • the operator's network can access multiple DNs.
  • a variety of services can be deployed on the DN to provide terminal equipment with services such as data and/or voice.
  • DN is the private network of a smart factory.
  • the sensors installed in the workshop of the smart factory can be terminal devices.
  • a control server for the sensors is deployed in the DN, and the control server can provide services for the sensors.
  • the sensor can communicate with the control server, obtain instructions from the control server, and transmit the collected sensor data to the control server according to the instructions.
  • the DN is the internal office network of a company.
  • the mobile phones or computers of the employees of the company can be terminal devices, and the mobile phones or computers of the employees can access the information and data resources on the internal office network of the company.
  • Nausf, Nnef, Npcf, Nudm, Naf, Namf, Nsmf, N1, N2, N3, N4, and N6 are interface serial numbers.
  • the meaning of these interface serial numbers can be referred to the meaning defined in the 3GPP standard protocol, which is not limited here.
  • FIG. 1B it is a schematic diagram of a 5G network architecture based on a point-to-point interface.
  • FIG. 1A For the introduction of the functions of the network elements therein, reference may be made to the introduction of the functions of the corresponding network elements in FIG. 1A, which will not be repeated.
  • the main difference between Fig. 1B and Fig. 1A is that the interfaces between the various network elements in Fig. 1B are point-to-point interfaces, rather than service-oriented interfaces.
  • N7 The interface between PCF and SMF, which can be used to issue protocol data unit (protocol data unit, PDU) session granularity and service data flow granularity control strategy.
  • protocol data unit protocol data unit
  • PDU protocol data unit
  • N15 The interface between PCF and AMF, which can be used to issue user policies and access control related policies.
  • N5 The interface between AF and PCF, which can be used for application service request issuance and network event reporting.
  • N4 The interface between SMF and UPF, which can be used to transfer information between the control plane and the user plane, including controlling the issuance of user-oriented forwarding rules, QoS control rules, traffic statistics rules, etc., and user-plane Information reported.
  • N11 The interface between SMF and AMF, which can be used to transfer PDU session tunnel information between RAN and UPF, transfer control messages sent to UE, and transfer radio resource control information sent to RAN.
  • N2 The interface between AMF and RAN, which can be used to transfer radio bearer control information from the core network side to the RAN.
  • N1 The interface between the AMF and the UE, which can be used to transfer QoS control rules to the UE.
  • N8 The interface between AMF and UDM, which can be used for AMF to obtain access and mobility management related subscription data and authentication data from UDM, and AMF to register UE current mobility management related information with UDM, etc.
  • N10 The interface between SMF and UDM, which can be used for SMF to obtain session management related subscription data from UDM, and SMF to register UE current session related information with UDM, etc.
  • N35 The interface between UDM and UDR, which can be used for UDM to obtain user subscription data information from UDR.
  • N36 The interface between the PCF and the UDR, which can be used for the PCF to obtain policy-related contract data and application data-related information from the UDR.
  • N12 The interface between AMF and AUSF, which can be used for AMF to initiate an authentication process to AUSF, where SUCI can be carried as a contract identifier;
  • N13 The interface between UDM and AUSF, which can be used for AUSF to obtain user authentication vector from UDM to execute the authentication process.
  • the aforementioned network elements or functions may be network elements in hardware devices, software functions running on dedicated hardware, or virtualization functions instantiated on a platform (for example, a cloud platform).
  • a platform for example, a cloud platform.
  • the foregoing network element or function may be implemented by one device, or jointly implemented by multiple devices, or may be a functional module in one device, which is not specifically limited in the embodiment of the present application.
  • the mobility management network element, session management network element, policy control network element, access network device, and user plane network element in the embodiments of the present application may be AMF, SMF, PCF, RAN, UPF in FIG. 1A or FIG. 1B, respectively. It may also be a network element with the above-mentioned AMF, SMF, PCF, RAN, and UPF functions in future communications such as the 6th generation (6G) network, which is not limited in the embodiment of the present application.
  • 6G 6th generation
  • the embodiments of this application are described by taking the above-mentioned AMF, SMF, PCF, RAN, and UPF as examples for mobility management network elements, session management network elements, policy control network elements, access network equipment, and user plane network elements respectively.
  • the terminal device is a UE as an example for description.
  • the UE has a Multi-Universal Subscriber Identity Module (MUSIM) capability.
  • MUSIM Multi-Universal Subscriber Identity Module
  • the MUSIM capability of the UE means that the UE can use one USIM card, or two USIM cards, or more than two USIM cards.
  • the embodiment of the present application uses one USIM card and two types of USIM cards as an example for description.
  • an embodiment of the present application provides a method for accessing a network.
  • This method can be executed by terminal equipment or components used for UE (such as chips, circuits, etc.) on the terminal equipment side; on the network side, it can be executed by PCF, AMF or components used for PCF and AMF (such as chips, circuits, etc.) carried out.
  • PCF Packet Control Function
  • AMF Packet Control Function
  • the following uses the UE, PCF, and AMF to execute the method as an example for description.
  • the method includes the following steps:
  • Step 203 The PCF sends the user policy of the first USIM to the UE.
  • the user policy is used to instruct the first USIM to preferentially select an access technology different from the access technology used by the second USIM, or the user policy is used to indicate The first USIM preferentially selects the N3GPP access technology.
  • the PCF may send the user policy to the AMF, and then the AMF sends the user policy to the UE.
  • the access technology used by the first UISM is N3GPP access technology or 3GPP access technology.
  • the user policy can be expressed in either of the following two ways.
  • Manner 1 The user policy is used to instruct the first USIM to preferentially select an access technology different from the access technology used by the second USIM. For example, this manner can be expressed as: the user policy is used to instruct to preferentially select unused access technologies for the first USIM. Since the PCF did not know the access technology used by the second USIM when sending the user policy of the first USIM to the UE, the user policy of the first USIM sent by the PCF to the UE can be used to instruct the UE to use the unused access technology. Select the first access technology for the first USIM.
  • the user policy is used to instruct the UE to preferentially select an access technology different from the access technology used by the second USIM for the first USIM, including any of the following situations:
  • the first situation if the second USIM uses the 3GPP access technology, the first USIM prefers to use the N3GPP access technology. That is, if the second USIM uses the 3GPP access technology, the N3GPP access technology is an unused access technology, so the user policy instructs the UE to preferentially select the unused N3GPP access technology for the first USIM.
  • the second case if the second USIM uses the N3GPP access technology, the first USIM prefers to use the 3GPP access technology. That is, if the second USIM uses the N3GPP access technology, the 3GPP access technology is an unused access technology, so the user policy instructs the UE to preferentially select the unused 3GPP access technology for the first USIM.
  • the N3GPP access technology includes trusted N3GPP access technology and untrusted N3GPP access technology.
  • the trusted N3GPP access technology cannot be used by two USIM cards at the same time, but the untrusted N3GPP access technology can be used by two USIM cards at the same time.
  • the first USIM uses the 3GPP access technology; if the N3GPP access technology is an untrusted N3GPP access technology, then The first USIM uses N3GPP access technology.
  • the N3GPP access technology is a trusted N3GPP access technology
  • the trusted N3GPP access technology cannot be used by two USIM cards at the same time
  • the second USIM uses the N3GPP access technology
  • the 3GPP access technology If the access technology is an unused access technology, the first USIM uses 3GPP access technology. If the N3GPP access technology is an untrusted N3GPP access technology, because the trusted N3GPP access technology can be used by two USIM cards at the same time, even if the second USIM uses the N3GPP access technology, the N3GPP access technology can still be considered untrusted.
  • 3GPP and N3GPP access technologies are both unused access technologies.
  • the first USIM preferentially uses the N3GPP access technology.
  • the third situation if the second USIM is in an idle state, the first USIM preferentially uses the N3GPP access technology.
  • the second USIM When the second USIM is in an idle state, the second USIM does not use 3GPP access technology, nor does it use non-3GPP access technology.
  • the second USIM is in an idle state, and the 3GPP and N3GPP access technologies are both unused access technologies.
  • the first USIM preferentially uses the N3GPP access technology.
  • the user policy is used to instruct the first USIM to preferentially select an access technology that is different from the access technology used by the second USIM.
  • “Priority” refers to: the first USIM first selects the access technology used by the second USIM. For access technologies with different access technologies, if an access technology different from the access technology used by the second USIM is not available, the first USIM selects the same access technology as the access technology used by the second USIM.
  • Manner 2 The user policy is used to instruct to preferentially select the N3GPP access technology for the first USIM.
  • the user policy is used to instruct the UE to preferentially select the N3GPP access technology for the first USIM, including any of the following situations:
  • Case B If the second USIM uses the N3GPP access technology, the first USIM preferentially uses the N3GPP access technology.
  • the N3GPP access technology includes trusted N3GPP access technology and untrusted N3GPP access technology. If the N3GPP access technology is a trusted N3GPP access technology, the first USIM uses the 3GPP access technology; if the N3GPP access technology is an untrusted N3GPP access technology, the first USIM uses the N3GPP access technology.
  • the N3GPP access technology is a trusted N3GPP access technology
  • the trusted N3GPP access technology cannot be used by two USIM cards at the same time
  • the second USIM uses the N3GPP access technology
  • the first USIM Use 3GPP access technology.
  • the N3GPP access technology is an untrusted N3GPP access technology
  • the trusted N3GPP access technology can be used by two USIM cards at the same time, even if the second USIM uses the N3GPP access technology, the N3GPP access technology can still be considered untrusted.
  • the first USIM uses the N3GPP access technology.
  • Case C If the second USIM is in an idle state, the first USIM preferentially uses the N3GPP access technology.
  • the user policy is used to instruct the first USIM to preferentially select the N3GPP access technology.
  • the “priority” refers to: if the N3GPP access technology is available, the first USIM selects the N3GPP access technology first; if N3GPP If the access technology is not available, the 3GPP access technology is selected for the first USIM.
  • Step 204 When the UE includes the first USIM and the second USIM, the UE selects the first access technology to transmit the service of the first USIM according to the user policy.
  • the first access technology selected by the UE for transmitting the service of the first USIM for the first USIM according to the user policy may be the N3GPP access technology or the 3GPP access technology.
  • the first access technology for various situations of the first access technology, reference may be made to the related description in step 203, which will not be repeated here.
  • the access technology used by the first USIM is different from the access technology used by the second USIM, thus avoiding two USIMs
  • the cards use the same access technology and cause conflicts.
  • the first USIM preferentially uses the N3GPP access technology, that is, when the N3GPP access technology is available, the first USIM uses the N3GPP access technology. This solution prefers to use the N3GPP access technology and retains the 3GPP access technology. 2.
  • step 203 the following step 201 to step 202 may also be included.
  • Step 201 The UE sends first indication information to the AMF.
  • the AMF can receive the first indication information.
  • the first indication information is used to indicate that the UE has MUSIM capability.
  • Step 202 The AMF sends second instruction information to the PCF according to the first instruction information.
  • the PCF can receive the second indication information.
  • the second indication information is used to indicate that the UE has MUSIM capability.
  • the AMF receives the first indication information, and the AMF determines that the UE has the MUSIM capability according to the first indication information, and the AMF sends the second indication information to the PCF.
  • the second indication information may be the same as the first indication information, or generated according to the first indication information.
  • the AMF can also obtain the UE's subscription data from the UDM. If the UE's subscription data includes the first USIM subscription data, the AMF determines to allow the first USIM according to the first indication information and the UE's subscription data Perform MUSIM communication, and then send second indication information to the PCF.
  • the second indication information may be the same as the first indication information, or generated according to the first indication information.
  • the PCF may send the foregoing user policy to the UE according to the second indication information.
  • the above step 203 may also include: the PCF sends first information to the UE, the first information is used to indicate the scope of use of the user policy, and the scope of use includes the first public land mobile network (PLMN) , Or the first area in the first PLMN, the first area is a tracking area, or a base station coverage area, or a geographic location area. That is, the PCF may indicate through the first information that the above-mentioned user policy may be used within the scope of the first PLMN or within the first area of the first PLMN. Wherein, the first information may be included in the above-mentioned user policy, or may be sent to the UE in parallel with the user policy.
  • PLMN public land mobile network
  • the UE may not use the aforementioned user policy.
  • the UE may use other user policies to select 3GPP access technology and/or N3GPP access technology to transmit services for the first USIM or the second USIM.
  • the UE has MUSIM capability, and the UE includes a first USIM and a second USIM.
  • FIG. 3 it is a schematic flowchart of another method for accessing a network provided by an embodiment of this application. The method includes the following steps:
  • Step 301 The UE sends a registration request (Registration request) message to the AMF.
  • the AMF can receive the registration request message.
  • the registration request message carries first indication information, and the first indication information is used to indicate that the UE has MUSIM capability.
  • Step 302 The AMF obtains the subscription data of the UE from the UDM.
  • This step is optional.
  • Step 303 The AMF sends a policy establishment request message to the PCF, which carries the second indication information.
  • the PCF can receive the policy establishment request message.
  • the second indication information is used to indicate that the UE has MUSIM capability.
  • the above-mentioned second indication information may be the same as the first indication information, or may be generated according to the first indication information.
  • the AMF determines that the UE has the MUSIM capability according to the first indication information, the AMF carries the second indication information in the policy establishment request message.
  • the AMF determines that the UE has MUSIM capability according to the first indication information, and that the subscription data of the UE includes the subscription data of the first USIM, then the AMF determines according to the first indication information and the subscription data of the UE If the first USIM is allowed to perform MUSIM communication, the AMF carries the second indication information in the policy establishment request message.
  • the policy establishment request message may be the Npcf_UEPolicyControl Create Request message.
  • Step 304 The PCF sends a policy establishment response message to the AMF.
  • the policy establishment response message may be an Npcf_UEPolicyControl Create Response message.
  • Step 305 The AMF sends a Registration Accept (Registration Accept) message to the UE.
  • the UE can receive the registration acceptance message.
  • Step 306 The PCF configures a user policy for the UE.
  • the user policy is used to instruct the first USIM to preferentially select an access technology different from that used by the second USIM, or to indicate to preferentially select the N3GPP access technology.
  • the specific implementation method of the user policy reference may be made to the related description of the embodiment corresponding to FIG. 2.
  • the PCF may also limit the use range of the user policy.
  • it is specified to be used in the first PLMN.
  • it is designated to be used in a first area within a first PLMN, and the first area may be, for example, a tracking area, a base station coverage area, or a geographic location area.
  • the PCF also generates the above user policy according to the second instruction information.
  • this step 306 may include the following steps 306a to 306b.
  • step 306a the PCF sends a Namf_Communication_N1N2MessageTransfer message to the AMF, which carries the user policy.
  • step 306b the AMF sends the user policy to the UE.
  • the AMF sends a configuration update command (Configuration update command) message to the UE, and the configuration update command message carries a user policy; for another example, the AMF sends a downlink non-access stratum (NAS) transmission message (DownLink NAS) to the UE. transport message), the downlink NAS transmission message carries the user policy.
  • Configuration update command Configuration update command
  • NAS downlink non-access stratum
  • DownLink NAS downlink non-access stratum
  • this step 306 may further include the following steps 306c and 306d.
  • step 306c the UE sends a response message to the AMF, where the response message is used to indicate the result of receiving the user policy.
  • the response message is used to indicate that the user policy is successfully received, or is used to indicate that the user policy is not received.
  • the response message is used to indicate that the user policy is successfully received.
  • step 306d the AMF sends a Namf_N1MessageNotify message to the PCF.
  • This message is used to indicate the result of receiving the user policy.
  • Step 307 When the UE includes the first USIM and the second USIM, the UE selects the first access technology to transmit the service of the first USIM according to the user policy.
  • the manner in which the UE executes the service may be, for example, that the UE establishes a PDU session and executes the service on the PDU session, or it may also be that the UE transmits a short message containing service data through signaling.
  • the access technology used by the first USIM is different from the access technology used by the second USIM, thus avoiding the two USIM cards from using the same Conflicts due to the access technology.
  • the first USIM preferentially uses the N3GPP access technology, that is, when the N3GPP access technology is available, the first USIM uses the N3GPP access technology. This solution prefers to use the N3GPP access technology and retains the 3GPP access technology. 2.
  • an embodiment of the present application provides yet another method for accessing a network.
  • This method can be executed by terminal equipment or components used for UE (such as chip, circuit, etc.) on the terminal equipment side; on the network side, it can be executed by SMF, AMF or components used for SMF and AMF (such as chip, circuit, etc.) carried out.
  • SMF Session Management Function
  • AMF Access Management Function
  • the following uses the UE, SMF, and AMF to execute the method as an example for description.
  • the method includes the following steps:
  • Step 401 The UE establishes a Multi Access Packet Data Unit (MAPDU) session for the first USIM.
  • the MAPDU session is used to transmit services of the first USIM.
  • the UE includes the first USIM and the second USIM.
  • FIG. 5 it is a schematic diagram of data transmission in the MAPDU session scenario.
  • the data stream of a MAPDU session can be transmitted through the 3GPP communication connection and the N3GPP communication connection at the same time.
  • there are 3GPP data streams and N3GPP data streams and the data streams are sent to or received in the DN through the same UPF.
  • the MAPDU session there is a tunnel endpoint for data transmission between the MAPDU session UPF and N3GPP-AN, and there is also a tunnel endpoint for data transmission between the MAPDU session UPF and 3GPP-RAN.
  • the service of the first USIM can only use the first access technology to transmit the service, or only use the second access technology to transmit the service, or it can also use the first access technology and the second access technology to transmit at the same time. business.
  • the first access technology is 3GPP access technology
  • the second access technology is N3GPP access technology
  • the first access technology is N3GPP access technology
  • the second access technology is 3GPP access technology.
  • the UE establishing the MAPDU session for the first USIM may include: the UE sending a session establishment request message to the AMF. Then the AMF sends a first request of the first USIM and first indication information to the SMF, the first indication information is used to indicate that the UE has MUSIM capability, and the first request is used to request the establishment of a session. Then, the SMF establishes a MAPDU session for the first USIM according to the first request and the first indication information, and the MAPDU session uses the first access technology and/or the second access technology to transmit services.
  • the UE sends a registration request (Registration request) message to the AMF, and the registration request message carries indication information (may be referred to as third indication information), and the indication information is used to indicate that the UE has MUSIM capability.
  • the AMF then stores the indication information in the UE context.
  • the foregoing first indication information may be generated by the AMF according to indication information stored in the UE context.
  • the terminal device initiates the establishment of the MAPDU session. Specifically, the terminal device may send a session establishment request message and indication information (may be referred to as fourth indication information) to the AMF, and the indication information is used to indicate the establishment of the MAPDU session.
  • a session establishment request message and indication information may be referred to as fourth indication information
  • Step 402 When the second USIM needs to transmit services, the UE selects an access technology for the first USIM and the second USIM.
  • the UE uses the first access Technology to transmit the second business, and use the second access technology to transmit the first business. That is, the current first USIM has already occupied the first access technology, and the second access technology is not occupied, and then new services on the second USIM also want to use the first access technology, you can change the first USIM’s
  • the first service is switched to the second access technology, and then the second USIM uses the first access technology to transmit the service.
  • the priority of the second service of the second USIM is higher than the priority of the first service, the first service of the first USIM is switched to the second access technology.
  • the UE uses the first access technology.
  • the second access technology is used to transmit the second service
  • the second access technology is used to transmit the first service. That is, the first USIM currently occupies the second access technology and does not occupy the first access technology, and then the new service on the second USIM wants to use the first access technology, the first service of the first USIM continues Keep using the second access technology, and the second USIM uses the first access technology to transmit services.
  • the UE uses the first access technology to transmit the second service, and uses the second access technology to transmit the first service. That is, the current first USIM occupies the first access technology and the second access technology at the same time, and then the new service on the second USIM wants to use the first access technology, then the first service of the first USIM can be switched To transmit only on the second access technology, then the second USIM uses the first access technology to transmit services.
  • the priority of the second service of the second USIM is higher than the priority of the first service, the first service of the first USIM is switched to be transmitted only on the second access technology.
  • the access technology used by the first USIM is different from the access technology used by the second USIM, thereby avoiding the use of two USIM cards
  • the same access technology causes conflicts.
  • the SMF when the MAPDU session only uses the first access technology to transmit services, can also establish the communication connection of the second access technology of the MAPDU session for the first USIM, and then send a second instruction to the access network device Information, the second indication information is used to indicate the communication connection of the second access technology for maintaining the MAPDU session. That is, when the first USIM only uses the first access technology to transmit services, the SMF also establishes the communication connection of the second access technology of the first USIM and informs the access network device to maintain the second access of the MAPDU session.
  • Technical communication connection so that when the service of the first USIM needs to be switched from the first access technology to the second access technology in the future, fast handover can be realized.
  • the MAPDU session when the MAPDU session only uses the first access technology to transmit services, it can also be established when the communication connection using the second access technology of the first USIM is needed, so that when needed Only then establish the communication connection, which can save resources.
  • the UE may also send indication information (may be referred to as third indication information) to the AMF, and the indication information is used to indicate that the first access technology is not used to transmit the service of the first USIM; or , The indication information is used to indicate that the first access technology is used to transmit other USIM services; in other words, the indication information is used to indicate that the first access technology is suspended or released due to MUSIM.
  • the AMF sends the indication information to the SMF, so that the SMF uses the second access technology to transmit the service of the first USIM according to the indication information. That is, the SMF switches the first service of the first USIM to only use the second access technology.
  • the UE has MUSIM capability, and the UE includes a first USIM and a second USIM.
  • FIG. 6 it is a schematic flowchart of another method for accessing a network provided by an embodiment of this application. The method includes the following steps:
  • the method includes the following steps:
  • Step 601 The UE sends a session establishment request message to the AMF, where the session establishment request message is used to request the establishment of a PDU session.
  • the AMF can receive the session establishment request message.
  • the terminal device initiates the establishment of the MAPDU session.
  • the UE may send the foregoing session establishment request message and indication information (may be referred to as fourth indication information) to the AMF, and the indication information is used to indicate the establishment of the MAPDU session.
  • Step 602a AMF sends a session context establishment request message to SMF.
  • the SMF can receive the context establishment request message.
  • the session context establishment request message is used to request the establishment of a PDU session for the first USIM, and carries first indication information.
  • the first indication information is used to indicate that the UE has MUSIM capability.
  • the AMF receives indication information (may be referred to as the third indication information) from the UE.
  • the indication information is used to indicate that the UE has MUSIM capability.
  • the AMF determines that the UE has MUSIM capability according to the indication information.
  • the session context establishment request message in this step 602a of the AMF carries the first indication information.
  • the AMF receives indication information (may be called the third indication information) from the UE.
  • the indication information is used to indicate that the UE has the MUSIM capability, and the AMF obtains the first USIM subscription from the UDM. Then, the AMF determines that the first USIM of the UE is allowed to perform MUSIM communication according to the indication information and the subscription data of the first USIM, and the session context establishment request message in this step 602a of the AMF carries the first indication information.
  • the session context establishment request message may be, for example, a Nsmf_PDUSession_CreateSMContext Request message.
  • step 602b the SMF determines to establish the MAPDU session of the first USIM for the UE according to the first indication information.
  • the SMF determines that the UE has multiple USIM capabilities according to the first indication information, and then determines that the MAPDU session of the first USIM is established for the UE.
  • step 602c the SMF sends a session context establishment response message to the AMF.
  • the AMF can receive the context establishment response message.
  • the session context establishment response message may be, for example, a Nsmf_PDUSession_CreateSMContext Response message.
  • Step 603 The SMF establishes a session management policy association (SM policy association) with the PCF for the MAPDU session.
  • SM policy association session management policy association
  • This step is optional.
  • Step 604 The SMF establishes the communication connection of the MAPDU session of the first USIM in the 3GPP access technology.
  • This step may include the following process: SMF sends N1 message (N1 message) and N2 message (N2 message) to the access network device (referred to as 3GPP-RAN) corresponding to the 3GPP access technology.
  • the N1 message carries a session establishment accept (session establishment accept) message.
  • the N2 message carries QoS parameters.
  • the 3GPP-RAN can obtain the content carried in the N2 message, and the 3GPP-RAN sends the N1 message to the UE.
  • the UE can obtain the session establishment acceptance message in the N1 message.
  • Step 605 If the N3GPP access technology is available, it is determined to activate and maintain the communication connection of the MAPDU session of the first USIM in the N3GPP access technology.
  • the SMF is also the MAPDU session of the UE Activate and maintain the communication connection of N3GPP access technology.
  • Step 606 The SMF activates and maintains the communication connection of the MAPDU session of the first USIM in the N3GPP access technology.
  • the SMF sends an N2 message to the access network device corresponding to the N3GPP access technology (referred to as N3GPP-AN).
  • the N2 message carries QoS parameters and indication information (may be referred to as second indication information), and the indication information is used to indicate the activation and maintenance of the communication connection of the MAPDU session in the N3GPP access technology.
  • N3GPP-AN can obtain the content carried in the N2 message.
  • the N3GPP-AN and the UE communicate with each other through signaling to establish a bearer.
  • the UE When the communication connection of the N3GPP access technology of the second USIM is available, the UE establishes the communication connection of the N3GPP access technology for the second USIM, and transmits the data of the new service through the communication connection of the N3GPP access technology.
  • the UE When the communication connection of the N3GPP access technology of the second USIM is not available, the UE considers the communication connection of the 3GPP access technology to transmit the data of the new service. If the 3GPP data channel is not occupied by the first USIM, that is, the first USIM has not established a communication connection of the 3GPP access technology, the UE transmits the data of the new service through the communication connection of the 3GPP access technology. If the communication connection of the 3GPP access technology is occupied by the first USIM, that is, the first USIM establishes the communication connection of the 3GPP access technology, the UE judges the 3GPP access according to the priority of the service of the first USIM and the service of the second USIM.
  • the communication connection of the incoming technology is used for the first USIM or the second USIM. For example, if the priority of the service of the first USIM is higher than the priority of the service of the second USIM, the communication connection of the first USIM in the 3GPP access technology is maintained, and the new service of the second USIM is not executed. For another example, if the priority of the service of the first USIM is lower than the priority of the service of the second USIM, the UE determines that the communication connection of the 3GPP access technology needs to be used for the second USIM, and then performs the following steps 607 to 609.
  • Step 607 If the UE determines that the service of the second USIM uses the communication connection of the 3GPP access technology, and the MAPDU session of the first USIM has been established in the communication connection of the N3GPP access technology, the UE switches the data transmission of the service of the first USIM Communication connection to N3GPP access technology.
  • the data of the first USIM service can be transmitted through the communication connection of the N3GPP access technology.
  • Step 608 The UE sends third indication information to the SMF, where the third indication information is used to indicate that the 3GPP access technology is not used to transmit the service of the first USIM.
  • the SMF can receive the third indication information.
  • Step 609 The SMF switches the data transmission of the service of the first USIM to the communication connection of the N3GPP access technology according to the third instruction information.
  • the data of the first USIM service can be transmitted through the communication connection of the N3GPP access technology.
  • step 605 to step 606 may not be performed.
  • the MAPDU session only uses the first access technology to transmit services, it can also be established when the communication connection using the second access technology of the first USIM is needed, so that the communication connection is established only when needed, which can save resources .
  • a MAPDU session is established for the service of the first USIM.
  • the service of the first USIM is currently only transmitted in the communication connection of the 3GPP access technology.
  • the N3GPP of the second USIM is preferred
  • the communication connection of the access technology transmits the new service of the second USIM.
  • the communication connection of the N3GPP access technology of the second USIM is not available, and the priority of the second USIM’s service is higher than the priority of the first USIM’s service, then the first USIM’s service is accessed from the 3GPP of the first USIM
  • the technical communication connection is switched to the communication connection of the N3GPP access technology of the first USIM, and then the service of the second USIM is transmitted through the communication connection of the 3GPP access technology of the second USIM. Therefore, the access technology used by the first USIM is different from the access technology used by the second USIM, thereby avoiding conflicts caused by two USIM cards using the same access technology.
  • each network element described above includes hardware structures and/or software modules corresponding to each function.
  • the present invention can be implemented in the form of hardware or a combination of hardware and computer software. Whether a certain function is executed by hardware or computer software-driven hardware depends on the specific application and design constraint conditions of the technical solution. Professionals and technicians can use different methods for each specific application to implement the described functions, but such implementation should not be considered as going beyond the scope of the present invention.
  • the steps or operations implemented by the terminal device can also be implemented by components (such as chips or circuits) configured in the terminal device, corresponding to the steps or operations implemented by the policy control network element.
  • components such as chips or circuits
  • an apparatus for implementing any of the above methods.
  • an apparatus includes units (or means) for implementing each step performed by the terminal device in any of the above methods.
  • another device is also provided, including a unit (or means) for implementing each step performed by the session management network element in any of the above methods.
  • another device is also provided, including a unit (or means) for implementing each step performed by the policy control network element in any of the above methods.
  • FIG. 7 a schematic diagram of a device for accessing a network provided in an embodiment of this application.
  • the device is used to implement various steps performed by the corresponding terminal device in the foregoing method embodiment.
  • the device 700 includes a transceiver unit 710 and a processing unit 720.
  • the transceiver unit 710 is configured to receive the user policy of the first USIM from the policy control network element, the user policy is used to instruct the first USIM to preferentially select an access technology different from the access technology used by the second USIM, and the access technology is N3GPP The access technology or 3GPP access technology, or user policy is used to indicate that the N3GPP access technology is preferentially selected for the first USIM.
  • the processing unit 720 is configured to, when the terminal device includes the first USIM and the second USIM, the terminal device selects the first access technology to transmit the service of the first USIM according to the user policy.
  • the first USIM preferentially selects an access technology different from the access technology used by the second USIM, including: if the second USIM uses the 3GPP access technology, the first USIM uses the N3GPP access technology .
  • the first USIM preferentially selects an access technology different from the access technology used by the second USIM, including: if the N3GPP access technology is a trusted N3GPP access technology, the second USIM uses the N3GPP access technology Access technology, the first USIM uses 3GPP access technology. Or, if the N3GPP access technology is an untrusted N3GPP access technology and the second USIM uses the N3GPP access technology, the first USIM uses the N3GPP access technology.
  • the first USIM preferentially selects an access technology different from the access technology used by the second USIM, including: if the second USIM is in an idle state, the first USIM uses the N3GPP access technology.
  • the transceiver unit 710 is configured to send instruction information to the mobility management network element, and the instruction information is used to indicate that the terminal device has MUSIM capability.
  • the processing unit 720 is specifically configured to select the N3GPP access technology for the first USIM to transmit the service of the first USIM when the second USIM uses the 3GPP access technology.
  • the processing unit 720 is specifically configured to, if the N3GPP access technology is a trusted N3GPP access technology, and when the second USIM uses the N3GPP access technology, select the 3GPP access technology for the first USIM to transmit the first USIM.
  • the processing unit 720 is specifically configured to select the N3GPP access technology for the first USIM to transmit the service of the first USIM when the second USIM is in an idle state.
  • the transceiver unit 710 is further configured to receive first information from the policy control network element, the first information is used to indicate the use range of the user policy, and the use range includes the first network PLMN or the first PLMN
  • the first area is the tracking area or base station coverage area or geographic location area.
  • the processing unit 720 is configured to establish a MAPDU session for the first USIM, the MAPDU session is used to transmit the service of the first USIM, and the terminal device includes the first USIM and the second USIM.
  • the transceiver unit 710 is configured to use the first access technology to transmit the first service of the first USIM when the MAPDU session uses the first access technology to transmit the first service of the first USIM and the second service of the second USIM needs to use the first access technology to transmit Two services, and the use of the second access technology to transmit the first service.
  • the first access technology is used to transmit the second service, and Use the second access technology to transmit the first service.
  • the first access technology is used The second service is transmitted, and the first service is transmitted using the second access technology.
  • the terminal device if the terminal device supports the MUSIM capability, or if the terminal device supports the MUSIM capability and there are multiple USIMs, the terminal device initiates the establishment of the MAPDU session. Specifically, the UE sends a session establishment request message and indication information to the AMF.
  • the session establishment request message is used to request the establishment of a PDU session, and the indication information is used to indicate the establishment of a MAPDU session.
  • the priority of the second service is higher than the priority of the first service.
  • the transceiver unit 710 is further configured to send indication information to the mobility management network element after the first service is transmitted using the second access technology.
  • the indication information is used to indicate that the first access technology is not used. It is used to transmit the service of the first USIM; in other words, the indication information is used to indicate that the first access technology is used to transmit other USIM services; or, the indication information is used to indicate that the first access technology is suspended or suspended due to MUSIM. freed.
  • each of the above-mentioned units may also be referred to as a module or a circuit, etc., and each of the above-mentioned units may be provided independently, or may be fully or partially integrated.
  • the foregoing device 700 for accessing the network may further include a storage unit for storing data or instructions (also referred to as codes or programs), and each of the foregoing units may interact or couple with the storage unit to achieve correspondence.
  • a storage unit for storing data or instructions (also referred to as codes or programs), and each of the foregoing units may interact or couple with the storage unit to achieve correspondence.
  • Method or function For example, the processing unit may read data or instructions in the storage unit, so that the device connected to the network implements the method in the foregoing embodiment.
  • FIG. 8 a schematic diagram of a device for accessing a network provided in an embodiment of this application.
  • the device is used to implement the steps performed by the corresponding policy control network element in the foregoing method embodiment.
  • the device 800 includes a receiving unit 810 and a sending unit 820.
  • the receiving unit 810 is configured to receive indication information from the mobility management network element, where the indication information is used to indicate that the terminal device has MUSIM capability.
  • the sending unit 820 is configured to send a user policy of the first USIM to the terminal device according to the instruction information.
  • the user policy is used to instruct the first USIM to preferentially select an access technology different from the access technology used by the second USIM, and the access technology is The N3GPP access technology or 3GPP access technology, or user policy is used to instruct the first USIM to preferentially select the N3GPP access technology.
  • the first USIM preferentially selects an access technology different from the access technology used by the second USIM, including: if the second USIM uses the 3GPP access technology, the first USIM uses the N3GPP access technology .
  • the first USIM preferentially selects an access technology different from the access technology used by the second USIM, including: if the N3GPP access technology is a trusted N3GPP access technology, the second USIM uses the N3GPP access technology Access technology, the first USIM uses 3GPP access technology. Or, if the N3GPP access technology is an untrusted N3GPP access technology and the second USIM uses the N3GPP access technology, the first USIM uses the N3GPP access technology.
  • the first USIM preferentially selects an access technology different from the access technology used by the second USIM, including: if the second USIM is in an idle state, the first USIM uses the N3GPP access technology.
  • the sending unit 820 is further configured to send first information to the terminal device.
  • the first information is used to indicate the scope of use of the user policy, and the scope of use includes the first network PLMN or the information in the first PLMN.
  • the first area, the first area is a tracking area or a base station coverage area or a geographic location area.
  • each of the above-mentioned units may also be referred to as a module or a circuit, etc., and each of the above-mentioned units may be provided independently, or may be fully or partially integrated.
  • the sending unit 820 and the receiving unit 810 described above may also be implemented by a transceiver unit, or the sending unit 820 and the receiving unit 810 may also be collectively referred to as a transceiver unit.
  • the aforementioned sending unit 820 and receiving unit 810 or the transceiving unit may also be referred to as a communication interface.
  • the foregoing device 800 for accessing the network may further include a storage unit for storing data or instructions (also referred to as codes or programs), and each of the foregoing units may interact or couple with the storage unit to achieve correspondence.
  • a storage unit for storing data or instructions (also referred to as codes or programs), and each of the foregoing units may interact or couple with the storage unit to achieve correspondence. Method or function.
  • FIG. 9 a schematic diagram of a device for accessing a network provided in an embodiment of this application.
  • the device is used to implement the steps performed by the corresponding session management network element in the foregoing method embodiment.
  • the device 900 includes a transceiving unit 910 and a processing unit 920.
  • the transceiver unit 910 is configured to receive a first request and first indication information of a first USIM from a mobility management network element, the first indication information is used to indicate that the terminal device has MUSIM capability, and the first request is used to request establishment of a session.
  • the processing unit 920 is configured to establish a MAPDU session for the first USIM according to the first request and the first indication information.
  • the MAPDU session uses the first access technology and/or the second access technology to transmit services, and the terminal device includes the first USIM and The second USIM.
  • the MAPDU session uses the first access technology to transmit services.
  • the processing unit 920 is further configured to establish a communication connection of the second access technology of the MAPDU session for the first USIM.
  • the processing unit 920 does not initiate the deactivation/release of the communication connection of the second access technology of the MAPDU session according to the first instruction information; on the other hand, the transceiver unit 910 is also used to send the second access technology to the access network device.
  • the second indication information is used to indicate to maintain the communication connection of the second access technology of the MAPDU session, so as to ensure that the access network device will not initiate because there is no data transmission on the communication connection of the second access technology of the MAPDU session Deactivate/release the communication connection of the second access technology of the MAPDU session.
  • the MAPDU session uses the first access technology or uses the first access technology and the second access technology to transmit services.
  • the transceiver unit 910 is further configured to receive third indication information from the mobility management network element, where the third indication information is used to indicate that the first access technology is not used to transmit the service of the first USIM; in other words, the third indication information is used to indicate The first access technology is used to transmit other USIM services; in other words, the third indication information is used to indicate that the first access technology is suspended or released due to MUSIM; according to the third indication information, the second access technology is used Transmit the service of the first USIM.
  • each of the above-mentioned units may also be referred to as a module or a circuit, etc., and each of the above-mentioned units may be provided independently, or may be fully or partially integrated.
  • the foregoing device 900 for accessing the network may further include a storage unit for storing data or instructions (also referred to as codes or programs), and each of the foregoing units may interact or couple with the storage unit to achieve correspondence.
  • a storage unit for storing data or instructions (also referred to as codes or programs), and each of the foregoing units may interact or couple with the storage unit to achieve correspondence.
  • Method or function For example, the processing unit may read data or instructions in the storage unit, so that the device connected to the network implements the method in the foregoing embodiment.
  • each unit in the device can be all implemented in the form of software called by processing elements; they can also be all implemented in the form of hardware; part of the units can also be implemented in the form of software called by the processing elements, and some of the units can be implemented in the form of hardware.
  • each unit can be a separate processing element, or it can be integrated in a certain chip of the device for implementation.
  • it can also be stored in the memory in the form of a program, which is called and executed by a certain processing element of the device.
  • each step of the foregoing method or each of the above units may be implemented by an integrated logic circuit of hardware in a processor element or implemented in a form of being called by software through a processing element.
  • the unit in any of the above devices may be one or more integrated circuits configured to implement the above methods, for example: one or more application specific integrated circuits (ASICs), or, one or Multiple microprocessors (digital singnal processors, DSPs), or, one or more field programmable gate arrays (Field Programmable Gate Arrays, FPGAs), or a combination of at least two of these integrated circuits.
  • ASICs application specific integrated circuits
  • DSPs digital singnal processors
  • FPGAs Field Programmable Gate Arrays
  • the unit in the device can be implemented in the form of a processing element scheduler
  • the processing element can be a general-purpose processor, such as a central processing unit (CPU) or other processors that can call programs.
  • CPU central processing unit
  • these units can be integrated together and implemented in the form of a system-on-a-chip (SOC).
  • the above receiving unit is an interface circuit of the device for receiving signals from other devices.
  • the receiving unit is an interface circuit used by the chip to receive signals from other chips or devices.
  • the above unit for sending is an interface circuit of the device for sending signals to other devices.
  • the sending unit is an interface circuit used by the chip to send signals to other chips or devices.
  • the terminal equipment includes: an antenna 1010, a radio frequency device 1020, and a signal processing part 1030.
  • the antenna 1010 is connected to the radio frequency device 1020.
  • the radio frequency device 1020 receives the information sent by the network device through the antenna 1010, and sends the information sent by the network device to the signal processing part 1030 for processing.
  • the signal processing part 1030 processes the information of the terminal equipment and sends it to the radio frequency device 1020.
  • the radio frequency device 1020 processes the information of the terminal equipment and sends it to the network equipment via the antenna 1010.
  • the signal processing part 1030 is used to realize the processing of each communication protocol layer of the data.
  • the signal processing part 1030 may be a subsystem of the terminal device, and the terminal device may also include other subsystems, such as a central processing subsystem, which is used to process the terminal device operating system and application layer; another example is peripheral sub-systems.
  • the system is used to realize the connection with other equipment.
  • the signal processing part 1030 may be a separately provided chip.
  • the above devices may be located in the signal processing part 1030.
  • the signal processing part 1030 may include one or more processing elements 1031, for example, a main control CPU and other integrated circuits, and an interface circuit 1033.
  • the signal processing part 1030 may further include a storage element 1032.
  • the storage element 1032 is used to store data and programs.
  • the program used to execute the method performed by the terminal device in the above method may or may not be stored in the storage element 1032, for example, stored in a memory other than the signal processing part 1030 During use, the signal processing part 1030 loads the program into the cache for use.
  • the interface circuit 1033 is used to communicate with the device.
  • the above device may be located in the signal processing part 1030, and the signal processing part 1030 may be realized by a chip.
  • the chip includes at least one processing element and an interface circuit, wherein the processing element is used to execute each step of any method executed by the above terminal device.
  • the circuit is used to communicate with other devices.
  • the unit that implements each step in the above method can be implemented in the form of a processing element scheduler.
  • the device includes a processing element and a storage element, and the processing element calls a program stored by the storage element to execute the above method embodiments.
  • the storage element may be a storage element whose processing element is on the same chip, that is, an on-chip storage element.
  • the program used to execute the method executed by the terminal device in the above method may be a storage element on a different chip from the processing element, that is, an off-chip storage element.
  • the processing element calls or loads a program from the off-chip storage element on the on-chip storage element to call and execute the method executed by the terminal device in the above method embodiment.
  • the unit of the terminal device that implements each step in the above method may be configured as one or more processing elements, and these processing elements are provided on the signal processing part 1030, where the processing elements may be integrated circuits, such as : One or more ASICs, or, one or more DSPs, or, one or more FPGAs, or a combination of these types of integrated circuits. These integrated circuits can be integrated together to form a chip.
  • the units that implement each step in the above method can be integrated together and implemented in the form of an SOC, and the SOC chip is used to implement the above method.
  • the chip can integrate at least one processing element and a storage element, and the processing element can call the stored program of the storage element to implement the method executed by the above terminal device; or, the chip can integrate at least one integrated circuit to implement the above terminal The method executed by the device; or, it can be combined with the above implementations.
  • the functions of some units are implemented in the form of calling programs by processing elements, and the functions of some units are implemented in the form of integrated circuits.
  • the above apparatus may include at least one processing element and an interface circuit, wherein at least one processing element is used to execute any method executed by the terminal device provided in the above method embodiment.
  • the processing element can execute part or all of the steps executed by the terminal device in the first way: calling the program stored in the storage element; or in the second way: combining instructions through the integrated logic circuit of the hardware in the processor element Part or all of the steps performed by the terminal device are executed in a manner; of course, part or all of the steps executed by the terminal device can also be executed in combination with the first manner and the second manner.
  • the processing element here is the same as the above description, and it may be a general-purpose processor, such as a CPU, or one or more integrated circuits configured to implement the above methods, such as: one or more ASICs, or, one or more micro-processing DSP, or, one or more FPGAs, etc., or a combination of at least two of these integrated circuit forms.
  • the storage element can be a memory or a collective term for multiple storage elements.
  • FIG. 11 this is a schematic structural diagram of an apparatus for accessing a network according to an embodiment of this application, which is used to implement the operation of the policy control network element or the session management network element in the above embodiment.
  • the device for accessing the network includes: a processor 1110, an interface 1130, and optionally, a memory 1120.
  • the interface 1130 is used to implement communication with other devices.
  • the method executed by the policy control network element or the session management network element in the above embodiment can be implemented by the processor 1110 calling a program stored in a memory (which may be the memory 1120 in the policy control network element or an external memory). That is, the device for the policy control network element or the session management network element may include a processor 1110, which calls the program in the memory to execute the policy control network element or the session management network element in the above method embodiment.
  • the processor here may be an integrated circuit with signal processing capability, such as a CPU.
  • the device for the policy control network element may be implemented by one or more integrated circuits configured to implement the above method. For example: one or more ASICs, or, one or more microprocessors DSP, or, one or more FPGAs, etc., or a combination of at least two of these integrated circuit forms. Or, the above implementations can be combined.
  • the computer program product includes one or more computer instructions.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.
  • the computer instructions may be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions may be transmitted from a website, computer, server, or data center.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or a data center integrated with one or more available media.
  • the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, and a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state disk (SSD)).
  • the various illustrative logic units and circuits described in the embodiments of this application can be implemented by general-purpose processors, digital signal processors, application-specific integrated circuits (ASIC), field programmable gate arrays (FPGA) or other programmable logic devices, Discrete gates or transistor logic, discrete hardware components, or any combination of the above are designed to implement or operate the described functions.
  • the general-purpose processor may be a microprocessor.
  • the general-purpose processor may also be any traditional processor, controller, microcontroller, or state machine.
  • the processor can also be implemented by a combination of computing devices, such as a digital signal processor and a microprocessor, multiple microprocessors, one or more microprocessors combined with a digital signal processor core, or any other similar configuration. achieve.
  • the aforementioned functions described in this application can be implemented in hardware, software, firmware, or any combination of the three. If implemented in software, these functions can be stored on a computer-readable medium, or transmitted on the computer-readable medium in the form of one or more instructions or codes.
  • Computer-readable media include computer storage media and communication media that facilitate the transfer of computer programs from one place to another. The storage medium can be any available medium that can be accessed by a general-purpose or special computer.
  • Such computer-readable media may include, but are not limited to, RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other device that can be used to carry or store instructions or data structures and Other program code media that can be read by general-purpose or special computers, or general-purpose or special processors.
  • any connection can be appropriately defined as a computer-readable medium, for example, if the software is from a website, server, or other remote source through a coaxial cable, fiber optic computer, twisted pair, or digital subscriber line (DSL) Or transmitted by wireless means such as infrared, wireless and microwave are also included in the definition of computer-readable media.
  • DSL digital subscriber line
  • the disks and discs include compressed disks, laser disks, optical disks, digital versatile disks (English: Digital Versatile Disc, abbreviated as DVD), floppy disks, and Blu-ray disks. Disks usually copy data with magnetism. Discs usually use lasers to copy data optically. The combination of the above can also be contained in a computer readable medium.
  • the functions described in this application can be implemented by hardware, software, firmware, or any combination thereof. When implemented by software, these functions can be stored in a computer-readable medium or transmitted as one or more instructions or codes on the computer-readable medium.
  • the computer-readable medium includes a computer storage medium and a communication medium, where the communication medium includes any medium that facilitates the transfer of a computer program from one place to another.
  • the storage medium may be any available medium that can be accessed by a general-purpose or special-purpose computer.

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

Abstract

L'invention concerne un procédé, un appareil et un système d'accès au réseau. Le procédé comprend : un dispositif de terminal qui reçoit, depuis un élément de réseau de commande de politique, une politique d'abonné d'un premier USIM, la politique d'abonné étant utilisée pour indiquer la sélection préférentielle, pour le premier USIM, d'une technique d'accès différente d'une technique d'accès utilisée par un second USIM, et la technique d'accès est une technique d'accès N3GPP ou une technique d'accès 3GPP ; et lorsque le dispositif de terminal comprend le premier USIM et le second USIM, le dispositif terminal sélectionne, selon la politique d'abonné, une première technique d'accès pour transmettre un service du premier USIM. Sur la base de la solution, lorsque la même technique d'accès ne peut pas être utilisée par un premier USIM et un second USIM en même temps, une technique d'accès utilisée par le premier USIM est différente d'une technique d'accès utilisée par le second USIM, ce qui permet d'éviter l'apparition d'un conflit provoqué par deux cartes USIM utilisant la même technique d'accès.
PCT/CN2020/070553 2020-01-06 2020-01-06 Procédé, appareil et système d'accès au réseau WO2021138784A1 (fr)

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