WO2024050736A1 - Procédé, appareil et système de communication, dispositif électronique et support - Google Patents

Procédé, appareil et système de communication, dispositif électronique et support Download PDF

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Publication number
WO2024050736A1
WO2024050736A1 PCT/CN2022/117656 CN2022117656W WO2024050736A1 WO 2024050736 A1 WO2024050736 A1 WO 2024050736A1 CN 2022117656 W CN2022117656 W CN 2022117656W WO 2024050736 A1 WO2024050736 A1 WO 2024050736A1
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WIPO (PCT)
Prior art keywords
satellite
network element
message
access
terminal
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PCT/CN2022/117656
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English (en)
Chinese (zh)
Inventor
吴锦花
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北京小米移动软件有限公司
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Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to CN202280003151.5A priority Critical patent/CN115868125A/zh
Priority to PCT/CN2022/117656 priority patent/WO2024050736A1/fr
Publication of WO2024050736A1 publication Critical patent/WO2024050736A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/08—Access security
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration

Definitions

  • the present disclosure relates to the field of communication, and in particular, to a communication method, device, system, electronic equipment and medium.
  • satellite NG-RAN Next Generation Radio Access Network, new generation access network
  • NR New Radio, new air interface
  • the present disclosure provides a communication method, device, system, electronic equipment and medium.
  • a communication method is provided, which is applied to a satellite.
  • the satellite serves as an access point for a terminal to access the core network through the satellite in a non-3GPP access mode.
  • the method includes :
  • the layer 2 connection is when the terminal determines that accessing the core network through the satellite in a non-3GPP access mode is a trusted connection. Established;
  • the first message is sent to the satellite access gateway function network element in the access network.
  • the satellite access gateway function network element provides a trusted non-3GPP gateway function.
  • the first message is used for the satellite access network element.
  • the gateway function network element generates a registration message according to the first message, and the registration message includes the identification information.
  • a communication method is provided, which is applied to a satellite access gateway functional network element.
  • the method includes:
  • the satellite access gateway functional network element provides a trusted non-3GPP gateway. Function, the terminal accessing the core network through the satellite in a non-3GPP access mode is a trusted connection;
  • a registration message is generated according to the first message, and the registration message includes the identification information.
  • a communication method is provided, applied to a target network element of a core network, and the method includes:
  • the registration message is generated based on the first message.
  • the first message is encapsulated by the satellite based on the EAP data packet sent by the terminal and the identification information of the satellite.
  • the satellite access gateway function network element provides a trusted non-3GPP gateway function, and the terminal accesses the core network through the satellite in a non-3GPP access mode, which is a trusted connection.
  • a communication method is provided, applied to a terminal, and the method includes:
  • the EAP data packet is used by the satellite to encapsulate the EAP data packet and the identification information of the satellite into a first message, and send the first message to the satellite.
  • the message is sent to the satellite access gateway functional network element.
  • a communication method is provided, which is applied to a communication system.
  • the communication system includes a satellite, a satellite access gateway functional network element, and a target network element.
  • the satellite serves as an access point for The terminal accesses the core network through the satellite in a non-3GPP access mode.
  • the method includes: the satellite receives the EAP data packet sent by the terminal through a layer 2 connection with the terminal, and the layer 2 connection is the The terminal establishes a trusted connection when it determines that accessing the core network through the satellite in a non-3GPP access mode is a trusted connection;
  • the satellite encapsulates the EAP data packet and the identification information of the satellite into a first message, and the EAP data packet includes a network access identifier;
  • the satellite sends the first message to a satellite access gateway functional network element in the access network, and the satellite access gateway functional network element provides a trusted non-3GPP gateway function;
  • the satellite access gateway function network element generates a registration message according to the first message, and the registration message includes the identification information
  • the satellite access gateway function network element sends the registration message to the target network element.
  • a communication device which is applied to a satellite.
  • the satellite serves as an access point for a terminal to access the core network in a non-3GPP access mode through the satellite.
  • the device includes :
  • the first receiving module is configured to receive the EAP data packet sent by the terminal through a layer 2 connection with the terminal.
  • the layer 2 connection is used by the terminal when determining to access the satellite in a non-3GPP access mode.
  • the access to the core network is established when a trusted connection is established;
  • An encapsulation module configured to encapsulate the EAP data packet and the identification information of the satellite into a first message, where the EAP data packet includes a network access identifier
  • the first sending module is configured to send the first message to a satellite access gateway functional network element in the access network.
  • the satellite access gateway functional network element provides a trusted non-3GPP gateway function.
  • the first The message is used by the satellite access gateway function network element to generate a registration message according to the first message, and the registration message includes the identification information.
  • a communication device applied to a satellite access gateway functional network element, and the device includes:
  • the second receiving module is configured to receive the first message sent by the satellite.
  • the first message is encapsulated by the satellite according to the EAP data packet sent by the terminal and the identification information of the satellite.
  • the satellite access gateway function The network element provides a trusted non-3GPP gateway function, and the terminal's access to the core network through the satellite in a non-3GPP access mode is a trusted connection;
  • a generating module configured to generate a registration message according to the first message, where the registration message includes the identification information.
  • a communication device applied to a target network element of a core network, and the method includes:
  • the third receiving module is configured to receive a registration message sent by the satellite access gateway function network element.
  • the registration message is generated based on the first message.
  • the first message is the EAP data packet sent by the satellite based on the terminal and
  • the identification information of the satellite is encapsulated, the satellite access gateway functional network element provides a trusted non-3GPP gateway function, and the terminal accesses the core network through the satellite in a non-3GPP access mode is a trusted connection.
  • a communication device applied to a terminal, and the device includes:
  • a determination module configured to establish a layer 2 connection with the satellite when it is determined that accessing the core network through a satellite in a non-3GPP access mode is a trusted connection
  • the third sending module is configured to send an EAP data packet to the satellite through the layer 2 connection.
  • the EAP data packet is used by the satellite to encapsulate the EAP data packet and the identification information of the satellite into a first message, and sends the first message to the satellite access gateway functional network element.
  • a communication system includes a satellite, a satellite access gateway functional network element, and a target network element.
  • the satellite serves as an access point for terminals to pass through the satellite. Access the core network using non-3GPP access methods;
  • the satellite is used to receive EAP data packets sent by the terminal through a layer 2 connection with the terminal.
  • the layer 2 connection is used for the terminal to determine whether it is possible to access the core network through the satellite in a non-3GPP access mode. Established during the letter connection;
  • the satellite is configured to encapsulate the EAP data packet and the identification information of the satellite into a first message, where the EAP data packet includes a network access identifier;
  • the satellite is used to send the first message to a satellite access gateway functional network element in the access network, and the satellite access gateway functional network element provides a trusted non-3GPP gateway function;
  • the satellite access gateway functional network element is configured to generate a registration message according to the first message, where the registration message includes the identification information;
  • the satellite access gateway function network element is used to send the registration message to the target network element.
  • an electronic device including:
  • Memory used to store instructions executable by the processor
  • the processor is configured to perform the steps of the method described in any one of the first aspects of the disclosure, or the steps of the method described in any one of the second aspects of the disclosure, or any one of the third aspects of the disclosure.
  • a computer-readable storage medium on which computer program instructions are stored.
  • the program instructions are executed by a processor, the method of any one of the methods of the first aspect of the present disclosure is implemented. Steps, or steps of the method described in any one of the second aspect of the disclosure, or steps of the method described in any one of the third aspect of the disclosure, or steps of the method described in any one of the fourth aspect of the disclosure.
  • the satellite is used as the access point of the access network, the EAP data packet sent by the terminal is received through the layer 2 connection, and the data packet and the identification information used to identify the satellite are encapsulated,
  • the satellite access gateway function network element generates a registration request based on the first message, thereby allowing the terminal to access the core network through the satellite in a trusted non-3GPP access mode, so that the mobile network can provide terminals under satellites that do not support NR. service and obtain the identification message of the satellite.
  • FIG. 1A exemplarily shows a schematic diagram of a satellite-based communication architecture applicable to embodiments of the present disclosure.
  • FIG. 1B exemplarily shows a schematic diagram of another satellite-based communication architecture applicable to embodiments of the present disclosure.
  • Figure 2 is a flow chart of a communication method according to an exemplary embodiment.
  • Figure 3 is a flowchart of a communication method according to an exemplary embodiment.
  • Figure 4 is a flowchart of a communication method according to an exemplary embodiment.
  • Figure 5 is a flowchart of a communication method according to an exemplary embodiment.
  • Figure 6 is a flow chart of a communication method according to an exemplary embodiment.
  • Figure 7 is a flowchart of a communication method according to an exemplary embodiment.
  • Figure 8 is a flowchart of a communication method according to an exemplary embodiment.
  • Figure 9 is a flow chart of a communication method according to an exemplary embodiment.
  • Figure 10 is a flowchart of a communication method according to an exemplary embodiment.
  • Figure 11 is a schematic diagram of a communication system according to an exemplary embodiment.
  • Figure 12 is a flowchart of a communication method according to an exemplary embodiment.
  • Figure 13 is a flowchart of a communication method according to an exemplary embodiment.
  • Figure 14 is an interaction diagram illustrating a communication method according to an exemplary embodiment.
  • Figure 15 is a block diagram of a communication device according to an exemplary embodiment.
  • Figure 16 is a block diagram of a communication device according to an exemplary embodiment.
  • Figure 17 is a block diagram of a communication device according to an exemplary embodiment.
  • Figure 18 is a block diagram of a communication device according to an exemplary embodiment.
  • FIG. 19 is a block diagram of an electronic device according to an exemplary embodiment.
  • Figure 20 is a block diagram of a network device according to an exemplary embodiment.
  • satellite NG-RAN Next Generation Radio Access Network, new generation access network
  • NR New Radio, new air interface
  • the present disclosure provides a communication method, device, system, electronic equipment and medium.
  • Embodiments of the present disclosure may be applied to 4G (fourth generation mobile communication system) evolution systems, such as long term evolution (LTE) systems, or may also be applied to 5G (fifth generation mobile communication system) systems, such as using new Wireless access technology (new radio access technology, New RAT) access network; Cloud Radio Access Network (Cloud Radio Access Network, CRAN) and other communication systems.
  • 4G fourth generation mobile communication system
  • 5G fifth generation mobile communication system
  • new Wireless access technology new radio access technology, New RAT
  • New RAT new Radio Access technology
  • CRAN Cloud Radio Access Network
  • FIG. 1A exemplarily shows a schematic diagram of a satellite-based communication architecture applicable to the embodiment of the present disclosure.
  • the embodiment of the present disclosure is not limited to the system shown in FIG. 1A.
  • the device in FIG. 1A may be hardware. , it can also be functionally divided software or a structure that combines the above two.
  • the system architecture provided by the embodiment of the present disclosure includes terminals, satellites, satellite access gateway functional network elements, mobility management network elements, session management network elements, user plane network elements, authentication server functional network elements, Policy control function network element, unified data management network element and data network (DN).
  • Satellites and satellite access gateway functional network elements constitute a Trusted Non-3GPP Access network (Trusted Non-3GPP Access). Satellites serve as access points for terminals to access the core network in a trusted non-3GPP access mode through the satellites. .
  • DN provides data transmission services to users
  • PDN Protocol Data Unit
  • IMS IP Multi-media Service
  • the mobility management network element may include an access and mobility management function (AMF) in 5G.
  • AMF access and mobility management function
  • the mobility management network element is responsible for the access and mobility management of terminals in the mobile network.
  • AMF is responsible for terminal access and mobility management, NAS message routing, session management function entity (session management function, SMF) selection, etc.
  • AMF can be used as an intermediate network element to transmit session management messages between the terminal and SMF.
  • the session management network element is responsible for forwarding path management, such as delivering packet forwarding policies to user plane network elements and instructing user plane network elements to process and forward packets according to the packet forwarding policy.
  • the session management network element can be the SMF in 5G (as shown in Figure 1B), which is responsible for session management, such as session creation/modification/deletion, user plane network element selection, and allocation and management of user plane tunnel information.
  • the user plane network element can be a user plane function (UPF) in the 5G architecture, as shown in Figure 1B.
  • UPF user plane function
  • the system architecture provided by the embodiments of the present disclosure may also include a data management network element for processing terminal device identification, access authentication, registration, mobility management, etc.
  • the data management network element may be a unified data management (UDM) network element.
  • the system architecture provided by the embodiments of the present disclosure may also include a policy control function entity (policy control function, PCF) or a policy charging control function entity (policy and charging control function, PCRF).
  • policy control function policy control function
  • PCRF policy charging control function entity
  • PCF or PCRF is responsible for policy control decisions and flow-based charging control.
  • the system architecture provided by this disclosed embodiment may also include an authentication server function (AUSF).
  • AUSF authentication server function
  • the AUSF is used to receive the AMF's request for identity verification of the UE, request the key from the UDM, and then issue the UDM The key is forwarded to AMF for authentication processing.
  • the system architecture provided by the embodiments of the present disclosure may also include network storage network elements for maintaining real-time information of all network function services in the network.
  • the network storage network element may be a network repository function (NRF) network element.
  • NRF network repository function
  • Network repository network elements can store a lot of network element information, such as SMF information, UPF information, AMF information, etc.
  • Network elements such as AMF, SMF, and UPF in the network may be connected to the NRF.
  • they can register their own network element information to the NRF.
  • other network elements can obtain the information of already registered network elements from the NRF.
  • Other network elements (such as AMF) can obtain optional network elements by requesting NRF based on network element type, data network identification, unknown area information, etc.
  • the domain name system (DNS) server is integrated in the NRF, then the corresponding selection function network element (such as AMF) can request from the NRF to obtain other network elements to be selected (such as SMF).
  • DNS domain name system
  • trusted non-3GPP access network satellite (Satellite) can also be called trusted non-3GPP access point (TNAP).
  • TNAN also includes a Satellite Access Gateway Function (S-AGF), which is equivalent to the Trusted Non-3GPP Access Gateway Function (Trusted) in the Trusted Non-3GPP access network.
  • S-AGF Satellite Access Gateway Function
  • the satellite can communicate as the Ta interface between TNAP and S-AGF, and the Ta interface can be an AAA (Authentication-Authorization-Accounting) interface.
  • the S-AGF can communicate with the AMF through the N2 interface, and the N2 interface can be an enhanced N2 interface so that the S-AGF and the AMF can communicate reliably.
  • Terminal also known as access terminal, user equipment (UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, wireless communication equipment, user agent or User devices, etc.
  • the terminal has at least satellite access capabilities and NAS (Non-Access Stratum, non-access layer) capabilities.
  • Figure 1B takes UE as an example for illustration.
  • the terminal can be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), a mobile phone with wireless communication capabilities Handheld devices, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, IoT end devices such as fire detection sensors, smart water/electricity meters, factory monitoring equipment, etc.
  • the terminal can be connected to a trusted non-3GPP access network (TNAN) and registered to the 5G core network through the TNAN using a program based on EAP (Extensible Authentication Protocol, Extensible Authentication Protocol).
  • TNAN trusted non-3GPP access network
  • the terminal after the terminal is registered in the 5G core network, it can communicate with the S-AGF through the NWt connection to initiate one or more PDUs (Protocol Data Units, protocol data units) to the SMF through the S-AGF and AMF. ) sessions and/or transport non-seamless offload traffic.
  • PDUs Protocol Data Units, protocol data units
  • the link between the terminal and the satellite can be any data link that supports EAP encapsulation, such as PPP, PANA, Ethernet, IEEE 802.3, IEEE 802.11, etc.
  • the above functions can be network elements in hardware devices, software functions running on dedicated hardware, or virtualization functions instantiated on a platform (for example, a cloud platform).
  • Figure 2 shows a communication method according to an exemplary embodiment. It is applied to satellites. Satellites serve as access points for terminals to access the core network through satellites in a non-3GPP access mode.
  • the method includes:
  • the satellite receives the EAP data packet sent by the terminal through the Layer 2 connection (L2 connection, Layer 2 connection) with the terminal.
  • the Layer 2 connection is the trusted connection for the terminal to determine that accessing the core network through the satellite in a non-3GPP access mode is a trusted connection. established at the time.
  • the satellite encapsulates the EAP data packet and the identification information of the satellite into a first message.
  • the EAP data packet includes a network access identifier.
  • the satellite sends the first message to the satellite access gateway functional network element in the access network.
  • the satellite access gateway functional network element provides a trusted non-3GPP gateway function.
  • the first message is used by the satellite access gateway functional network element according to The first message generates a registration message, and the registration message includes identification information.
  • the terminal can select a public land mobile network (PLMN, Public Land Mobile Network) through a trusted non-3GPP access network selection procedure, and select a non-3GPP access network for accessing the mobile network,
  • PLMN Public Land Mobile Network
  • the access point of the access network is provided by the trusted non-3GPP satellite.
  • the terminal After detecting the access point, the terminal establishes an L2 connection (ie, layer 2 connection) with the access point (ie, satellite). After the L2 connection is established, the satellite sends an EAP request to the terminal, so that the terminal starts the EAP program to encapsulate the EAP message into an EAP data packet.
  • the EAP data packet can be an IEEE 802.3/802.1x data packet, IEEE 802.11/802.1x Data packets or PPP packets, etc.
  • the EAP packet may include NAI (Network Access Identifier, Nature of Address Indicator).
  • the satellite access gateway functional network element may also send the registration message to the target network element in the core network. This allows the terminal to access the core network in a non-3GPP access mode.
  • the registration request sent to the network element can include a terminal location information (ULI), which contains an "empty" IP address (for example, 0.0.0.0), because the terminal has not been assigned an IP address, in addition, the above identification information can also be included.
  • UMI terminal location information
  • the satellite access gateway function network element will include the address and/or identification message in the subsequent N2 message.
  • sending the first message to the satellite access gateway functional network element of the trusted non-3GPP access network includes: sending the first message to the satellite access network through the AAA interface between the satellite and the satellite access gateway functional network element. Gateway function network element; wherein the first message is an AAA message.
  • the identification information in the first message can be used for authentication, authorization and accounting.
  • information can be exchanged between the satellite and the satellite access gateway through the AAA interface, which is a data connection that supports EAP encapsulation (L2 connection, that is, a layer two connection).
  • L2 connection that is, a layer two connection
  • the satellite access gateway functional network element can serve as an AAA agent, and the above NAI can trigger the satellite to send an AAA message to the satellite access gateway functional network element serving as the AAA agent.
  • the identification information includes the spacecraft ITU ID (S-ITU ID), the Committee on Space Research Identity (COSPAR ID), the International Satellite Identifier (International Designator, ID), and One or more of the National Space Science Data Center IDs (NSSDC ID, National Space Science Data Center ID).
  • S-ITU ID spacecraft ITU ID
  • COSPAR ID Committee on Space Research Identity
  • SDC ID International Satellite Identifier
  • NSSDC ID National Space Science Data Center ID
  • NSSDC ID National Space Science Data Center ID
  • the international satellite identifier can be the same as the International Committee on Space Research number, both are COSPAR IDs, only the names are different.
  • the target network element is an AMF network element.
  • the satellite access gateway function network element may select one AMF network element from the multiple AMF network elements before sending a registration request to the AMF network element.
  • the AMF network element is used to send identification information to the UDM network element in the core network.
  • the core network may also include multiple UDM network elements, and the AMF network element may select one UDM network element from multiple UDMs for registration.
  • the identification message may be the access type ( Sent simultaneously when the access type is non-3GPP access).
  • the AMF network element is also used to send identification information to the SMF network element and/or the PCF network element in the core network.
  • the identification information is sent to the SMF network element/PCF network element, and the identification information can be used for policy management (such as QoS, mobility management) and charging control.
  • the satellite access gateway functional network element and the AMF network element can communicate through the N2 interface, and the satellite access gateway functional network element is configured to send a registration message to the AMF network element through the N2 interface according to the first message.
  • the N2 interface may be an enhanced N2 interface to ensure reliable communication between the satellite access gateway functional network element and the network element.
  • the first message may be an N2 message.
  • the satellite access gateway functional network element can also receive the identity response (identity response) sent by the AMF, the SMC (Satellite Mobile Channel, satellite mobile channel) request message, and the N2 initial context setting request message (N2Initial Ctx Setup Request) through the N2 interface. ), etc., and send identity request, N2 Initial Context Setup Response message (N2 Initial Ctx Setup Response), etc.
  • the satellite access gateway functional network element can send EAP-Req/5G- to the terminal through the L2 interface.
  • Start message the EAP-Req/5G-Start message is used to request the terminal to send access point parameters (AN parameters, access point parameters), and the terminal will only send NSSAI (Network Slice) in the case of trusted non-3GPP access.
  • Selection Assistance Information Network Slice selection assistance information
  • the satellite access gateway function network element selects the AMF network element and sends a registration request to the AMF network element. The registration request can be based on the access point parameters and the information in the first message. Identification information is generated.
  • the AMF can interact with the AUSF, the satellite access gateway functional network element, and the terminal through the satellite access gateway functional network element, thereby allowing the terminal to access the core network where the AMF is located. Specifically, it may include creating a TNGF (equivalent to a satellite access gateway functional network element) key in the terminal and the AMF, and using the satellite access gateway functional network element to generate a TNAP (equivalent to a TNAP) based on the TNGF key through the satellite access gateway functional network element. satellite) key and provide the key to the satellite.
  • the TNAP key pair generation method may be based on a non-3GPP access technology protocol.
  • the TNAP key is a pairwise master key.
  • the TNAP key can be used to secure the Layer 2 connection between the terminal and the satellite.
  • a 4-way handshake is performed to establish a secure environment between the satellite and the terminal to protect the single unit in the air. broadcast and multicast traffic.
  • the terminal can also accept the IP configuration sent by the satellite access gateway functional network element, such as whether to use DHCP (Dynamic Host Configuration Protocol), so that the terminal can connect to the access network and obtain the IP configuration and connect with the satellite
  • DHCP Dynamic Host Configuration Protocol
  • the NAS registration acceptance message is sent by the AMF to the satellite access gateway function network element and forwarded to the UE through the established NWt connection, so that the terminal can use TNAN to transmit non-seamless offload traffic and/or establish one or more PDU sessions, Achieve core network access.
  • the satellite is used as the access point of the access network, the EAP data packet sent by the terminal is received through the layer 2 connection, and the data packet and the identification information used to identify the satellite are encapsulated, and the satellite is accessed through the satellite.
  • the gateway function network element generates a registration request based on the first message, thereby allowing the terminal to access the core network through the satellite in a trusted non-3GPP access mode, so that the mobile network can provide services to terminals under satellites that do not support NR and learn about the satellite identification message.
  • Figure 3 is a flow chart of a communication method according to an exemplary embodiment, applied to a satellite access gateway functional network element. As shown in Figure 3, the method includes:
  • the satellite access gateway functional network element receives the first message sent by the satellite.
  • the first message is encapsulated by the satellite based on the EAP data packet sent by the terminal and the identification information of the satellite.
  • the satellite access gateway functional network element provides a trusted non-3GPP Gateway function, the terminal accesses the core network through satellite through non-3GPP access mode, which is a trusted connection.
  • the satellite access gateway function network element generates a registration message according to the first message, and the registration message includes identification information.
  • the identification information includes one or more of a spacecraft ITU identification number, an International Space Research Council number, an international satellite identifier, and a National Space Science Data Center identification.
  • the satellite is used as the access point of the access network to receive the EAP data packet sent by the terminal and encapsulate the data packet and the identification information used to identify the satellite, and then the satellite access gateway function network element is based on The first message generates a registration request, thereby allowing the terminal to access the core network through the satellite in a trusted non-3GPP access mode, so that the mobile network can provide services to terminals under satellites that do not support NR and learn the identification message of the satellite.
  • Figure 4 is a flow chart of a communication method according to an exemplary embodiment, applied to a satellite access gateway functional network element. As shown in Figure 4, the method includes:
  • the satellite access gateway functional network element receives the first message sent by the satellite.
  • the first message is encapsulated by the satellite based on the EAP data packet sent by the terminal and the identification information of the satellite.
  • the satellite access gateway functional network element provides a trusted non-3GPP Gateway function, the terminal accesses the core network through satellite through non-3GPP access mode, which is a trusted connection.
  • the satellite access gateway function network element generates a registration message according to the first message, and the registration message includes identification information.
  • the satellite access gateway function network element sends the registration message to the target network element in the core network.
  • the identification information includes one or more of a spacecraft ITU identification number, an International Space Research Council number, an international satellite identifier, and a National Space Science Data Center identification.
  • the target network element is an AMF network element.
  • the satellite access gateway function network element may select one AMF network element from the multiple AMF network elements before sending a registration request to the AMF network element.
  • the AMF network element is used to send identification information to the UDM network element in the core network.
  • the core network may also include multiple UDM network elements, and the AMF network element may select one UDM network element from multiple UDMs for registration.
  • the identification message may be the access type ( Sent simultaneously when the access type is non-3GPP access).
  • the AMF network element is also used to send identification information to the SMF network element and/or the PCF network element in the core network.
  • the identification information is sent to the SMF network element/PCF network element, and the identification information can be used for policy management (such as QoS, mobility management) and charging control.
  • the satellite access gateway functional network element and the AMF network element can communicate through the N2 interface, and the satellite access gateway functional network element is used to send a registration message to the AMF network element through the N2 interface.
  • the N2 interface may be an enhanced N2 interface to ensure reliable communication between the satellite access gateway functional network element and the network element.
  • the first message may be an N2 message.
  • the satellite access gateway functional network element can also receive the identity response (identity response) sent by the AMF, the SMC (Satellite Mobile Channel, satellite mobile channel) request message, and the N2 initial context setting request message (N2 Initial Ctx Setup) through the N2 interface. Request), etc., and send identity request, N2 Initial Context Setup Response message (N2 Initial Ctx Setup Response), etc.
  • the satellite is used as the access point of the access network to receive the EAP data packet sent by the terminal and encapsulate the data packet and the identification information used to identify the satellite, and then the satellite access gateway function network element is based on The first message generates a registration request and sends it to the target network element in the core network, thereby allowing the terminal to access the core network through the satellite in a trusted non-3GPP access mode, so that the mobile network can provide terminals under satellites that do not support NR. service and obtain the identification message of the satellite.
  • Figure 5 is a flow chart of a communication method according to an exemplary embodiment, applied to a satellite access gateway functional network element. As shown in Figure 5, the method includes:
  • the satellite access gateway functional network element receives the first message sent by the satellite.
  • the first message is encapsulated by the satellite based on the EAP data packet sent by the terminal and the identification information of the satellite.
  • the satellite access gateway functional network element provides a trusted non-3GPP Gateway function, the terminal accesses the core network through satellite through non-3GPP access mode, which is a trusted connection.
  • the satellite access gateway function network element generates a registration message according to the first message, and the registration message includes identification information.
  • the satellite access gateway function network element sends a registration message to the AMF network element through the N2 interface.
  • the satellite access gateway function network element may select one AMF network element from the multiple AMF network elements before sending a registration request to the AMF network element.
  • the satellite access gateway function network element After the NWt connection with the terminal is successfully established, the satellite access gateway function network element sends an initial context setting response message to the AMF network element through the N2 interface.
  • the satellite access gateway function network element may be sent in response to receiving the initial context setting request message sent by the AMF and successfully establishing the NWt connection.
  • the satellite access gateway function network element receives the registration acceptance message sent by the AMF network element through the N2 interface, and sends the registration acceptance message to the terminal through the NWt connection.
  • the registration acceptance message is used for the terminal to access through the trusted non-3GPP access method. Core Network.
  • the registration acceptance message may be a NAS registration acceptance message (NAS Registration Accept, Non-Access Stratum Registration Accept).
  • the registration acceptance message may be sent by the AMF in response to the initial context setting response message, and is sent to the terminal through the NWt connection through the satellite access gateway function network element.
  • the terminal may utilize a feasible satellite-based non-3GPP access network to access the core network, and transmit non-seamless offload traffic and/or establish one or more PDU sessions.
  • the identification information includes one or more of a spacecraft ITU identification number, an International Space Research Council number, an international satellite identifier, and a National Space Science Data Center identification.
  • the AMF network element is used to send identification information to the UDM network element in the core network.
  • the core network may also include multiple UDM network elements, and the AMF network element may select one UDM network element from multiple UDMs for registration.
  • the identification message may be the access type ( Sent simultaneously when the access type is non-3GPP access).
  • the AMF network element is also used to send identification information to the SMF network element and/or the PCF network element in the core network.
  • the identification information is sent to the SMF network element/PCF network element, and the identification information can be used for policy management (such as QoS, mobility management) and charging control.
  • the satellite after the terminal accesses the core network through a trusted non-3GPP method based on the registration acceptance message, the satellite sends the identification information in the registration message to one of the UDM network element, SMF network element, or PCF network element. Or more.
  • the N2 interface may be an enhanced N2 interface to ensure reliable communication between the satellite access gateway functional network element and the network element.
  • the first message may be an N2 message.
  • the satellite access gateway functional network element can also receive the identity response (identity response) sent by the AMF, the SMC (Satellite Mobile Channel, satellite mobile channel) request message, and the N2 initial context setting request message (N2 Initial Ctx Setup) through the N2 interface. Request), etc., and send identity request, N2 Initial Context Setup Response message (N2 Initial Ctx Setup Response), etc.
  • the satellite is used as the access point of the access network, the EAP data packet sent by the terminal is received through the layer 2 connection, and the data packet and the identification information used to identify the satellite are encapsulated, and then the satellite access gateway function network is The terminal generates a registration request based on the first message and sends it to the AMF network element in the core network, thereby enabling the terminal to establish a secure NWt connection with the satellite access gateway functional network element, and through the satellite access gateway functional network element based on the NWt connection.
  • the registration acceptance message sent by the AMF network element is sent to the terminal, so that the terminal can use the satellite-based trusted 3GPP access method to access the core network according to the registration acceptance message, so that the mobile network can provide services to terminals under satellites that do not support NR.
  • Figure 6 is a flow chart of a communication method according to an exemplary embodiment, applied to a target network element of the core network. As shown in Figure 6, the method includes:
  • the target network element receives the registration message sent by the satellite access gateway function network element.
  • the registration message is generated based on the first message.
  • the first message is encapsulated by the satellite based on the EAP data packet sent by the terminal and the identification information of the satellite.
  • the satellite The access gateway function network element provides a trusted non-3GPP gateway function.
  • the terminal accesses the core network through satellite through non-3GPP access mode, which is a trusted connection.
  • the specific implementation method for the target network element to enable the terminal to access the core network through a trusted non-3GPP access method after receiving the registration message sent by the satellite access gateway function network element has been described in detail in the previous article. Here No need to go into details.
  • the identification information includes one or more of a spacecraft ITU identification number, an International Space Research Council number, an international satellite identifier, and a National Space Science Data Center identification.
  • the target network element is an AMF network element.
  • the satellite access gateway function network element can select one AMF network element from the multiple AMF network elements as the target network element before sending a registration request to the AMF network element.
  • the AMF network element is used to send identification information to the UDM network element in the core network.
  • the core network may also include multiple UDM network elements, and the AMF network element may select one UDM network element from multiple UDMs for registration.
  • the identification message may be the access type ( Sent simultaneously when the access type is non-3GPP access).
  • the AMF network element is also used to send identification information to the SMF network element and/or the PCF network element in the core network.
  • the identification information is sent to the SMF network element/PCF network element, and the identification information can be used for policy management (such as QoS, mobility management) and charging control.
  • the satellite access gateway functional network element and the AMF network element can communicate through the N2 interface, and the satellite access gateway functional network element is configured to send a registration message to the target network element through the N2 interface according to the first message.
  • the target network element in step S601 receives the registration message sent by the satellite access gateway function network element including:
  • the target network element receives the registration message sent by the satellite access gateway function network element through the N2 interface.
  • the N2 interface may be an enhanced N2 interface to ensure reliable communication between the satellite access gateway functional network element and the network element.
  • the first message may be an N2 message.
  • the satellite access gateway functional network element can also receive the identity response (identity response) sent by the AMF, the SMC (Satellite Mobile Channel, satellite mobile channel) request message, and the N2 initial context setting request message (N2 Initial Ctx Setup) through the N2 interface. Request), etc., and send identity request, N2 Initial Context Setup Response message (N2 Initial Ctx Setup Response), etc.
  • the satellite is used as the access point of the access network to receive the EAP data packet sent by the terminal and encapsulate the data packet and the identification information used to identify the satellite, and then the satellite access gateway function network element is based on The first message generates a registration request and sends it to the target network element in the core network, thereby allowing the terminal to access the core network through the satellite in a trusted non-3GPP access mode, so that the mobile network can provide terminals under satellites that do not support NR. service and obtain the identification message of the satellite.
  • Figure 7 is a flow chart of a communication method according to an exemplary embodiment, applied to a target network element of the core network. As shown in Figure 7, the method includes:
  • the target network element receives the registration message sent by the satellite access gateway function network element.
  • the registration message is generated based on the first message.
  • the first message is encapsulated by the satellite based on the EAP data packet sent by the terminal and the identification information of the satellite.
  • the satellite The access gateway function network element provides a trusted non-3GPP gateway function.
  • the terminal accesses the core network through satellite through non-3GPP access mode, which is a trusted connection.
  • the target network element receives the initial context setting response message sent by the satellite access gateway functional network element through the N2 interface.
  • the initial context setting response message is sent after the NWt connection between the satellite access gateway functional network element and the terminal is successfully established.
  • the target network element sends a registration acceptance message to the satellite access gateway functional network element through the N2 interface.
  • the registration acceptance message is used by the satellite access gateway functional network element to send the registration acceptance message to the terminal through the NWt connection.
  • the identification information includes one or more of a spacecraft ITU identification number, an International Space Research Council number, an international satellite identifier, and a National Space Science Data Center identification.
  • the target network element is an AMF network element.
  • the satellite access gateway function network element can select one AMF network element from the multiple AMF network elements as the target network element before sending a registration request to the AMF network element.
  • the AMF network element is used to send identification information to the UDM network element in the core network.
  • the core network may also include multiple UDM network elements, and the AMF network element may select one UDM network element from multiple UDMs for registration.
  • the identification message may be the access type ( Sent simultaneously when the access type is non-3GPP access).
  • the AMF network element is also used to send identification information to the SMF network element and/or the PCF network element in the core network.
  • the identification information is sent to the SMF network element/PCF network element, and the identification information can be used for policy management (such as QoS, mobility management) and charging control.
  • the satellite after the terminal accesses the core network through a trusted non-3GPP method based on the registration acceptance message, the satellite sends the identification information in the registration message to one of the UDM network element, SMF network element, or PCF network element. Or more.
  • the N2 interface may be an enhanced N2 interface to ensure reliable communication between the satellite access gateway functional network element and the network element.
  • the first message may be an N2 message.
  • the satellite access gateway functional network element can also receive the identity response (identity response) sent by the AMF, the SMC (Satellite Mobile Channel, satellite mobile channel) request message, and the N2 initial context setting request message (N2 Initial Ctx Setup) through the N2 interface. Request), etc., and send identity request, N2 Initial Context Setup Response message (N2 Initial Ctx Setup Response), etc.
  • the satellite is used as the access point of the access network, the EAP data packet sent by the terminal is received through the layer 2 connection, and the data packet and the identification information used to identify the satellite are encapsulated, and then the satellite access gateway function network is The terminal generates a registration request based on the first message and sends it to the target network element in the core network, thereby enabling the terminal to establish a secure NWt connection with the satellite access gateway functional network element, and through the satellite access gateway functional network element based on the NWt connection.
  • the registration acceptance message sent by the target network element is sent to the terminal, so that the terminal can use the satellite-based trusted 3GPP access method to access the core network according to the registration acceptance message, so that the mobile network can provide services to terminals under satellites that do not support NR.
  • Figure 8 is a flow chart of a communication method according to an exemplary embodiment. It is applied to a target network element of the core network.
  • the target network element is an AMF network element.
  • the method includes:
  • the target network element receives the registration message sent by the satellite access gateway function network element.
  • the registration message is generated based on the first message.
  • the first message is encapsulated by the satellite based on the EAP data packet sent by the terminal and the identification information of the satellite.
  • the satellite The access gateway function network element provides a trusted non-3GPP gateway function.
  • the terminal accesses the core network through satellite through non-3GPP access mode, which is a trusted connection.
  • the target network element After the terminal accesses the core network through a trusted non-3GPP method based on the registration acceptance message, the target network element sends the identification information in the registration message to one or more of the UDM network element, SMF network element or PCF network element.
  • the core network may also include multiple UDM network elements, and the AMF network element may select one UDM network element from multiple UDMs for registration.
  • the identification message may be the access type ( Sent simultaneously when the access type is non-3GPP access).
  • sending the identification information in the registration message to the UDM network element includes:
  • the target access type and identification information are sent to the UDM network element through the AMF registration request.
  • the AMF network element is also used to send identification information to the SMF network element and/or the PCF network element in the core network.
  • the identification information is sent to the SMF network element/PCF network element, and the identification information can be used for policy management (such as QoS, mobility management) and charging control.
  • the identification information of the satellite is sent to one or more of the UDM network element, SMF network element or PCF network element through the AMF network element, which can enable UDM Network elements, SMF network elements or PCF network elements can perform data management, policy management (such as QoS, mobility management) and charging control based on satellite identification information, so that terminals can use satellite-based trusted 3GPP access based on registration acceptance messages.
  • This method allows the mobile network to access the core network, provide services to terminals under satellites that do not support NR, and effectively manage and charge based on satellite identities.
  • Figure 9 is a flow chart of a communication method according to an exemplary embodiment. It is applied to a target network element of the core network.
  • the target network element is an AMF network element.
  • the method includes:
  • the target network element receives the registration message sent by the satellite access gateway function network element.
  • the registration message is generated based on the first message.
  • the first message is encapsulated by the satellite based on the EAP data packet sent by the terminal and the identification information of the satellite.
  • the satellite The access gateway function network element provides a trusted non-3GPP gateway function.
  • the terminal accesses the core network through satellite through non-3GPP access mode, which is a trusted connection.
  • the target network element receives the initial context setting response message sent by the satellite access gateway functional network element through the N2 interface.
  • the initial context setting response message is sent after the NWt connection between the satellite access gateway functional network element and the terminal is successfully established.
  • the target network element sends a registration acceptance message to the satellite access gateway functional network element through the N2 interface.
  • the registration acceptance message is used by the satellite access gateway functional network element to send the registration acceptance message to the terminal through the NWt connection.
  • the satellite access gateway function network element can select one AMF network element from the multiple AMF network elements as the target network element before sending a registration request to the AMF network element.
  • the identification information includes one or more of a spacecraft ITU identification number, an International Space Research Council number, an international satellite identifier, and a National Space Science Data Center identification.
  • the AMF network element is used to send identification information to the UDM network element in the core network.
  • the core network may also include multiple UDM network elements, and the AMF network element may select one UDM network element from multiple UDMs for registration.
  • the identification message may be the access type ( Sent simultaneously when the access type is non-3GPP access).
  • the AMF network element is also used to send identification information to the SMF network element and/or the PCF network element in the core network.
  • the identification information is sent to the SMF network element/PCF network element, and the identification information can be used for policy management (such as QoS, mobility management) and charging control.
  • the satellite after the terminal accesses the core network through a trusted non-3GPP method based on the registration acceptance message, the satellite sends the identification information in the registration message to one of the UDM network element, SMF network element, or PCF network element. Or more.
  • the N2 interface may be an enhanced N2 interface to ensure reliable communication between the satellite access gateway functional network element and the network element.
  • the first message may be an N2 message.
  • the satellite access gateway functional network element can also receive the identity response (identity response) sent by the AMF, the SMC (Satellite Mobile Channel, satellite mobile channel) request message, and the N2 initial context setting request message (N2 Initial Ctx Setup) through the N2 interface. Request), etc., and send identity request, N2 Initial Context Setup Response message (N2 Initial Ctx Setup Response), etc.
  • the satellite is used as the access point of the access network, the EAP data packet sent by the terminal is received through the layer 2 connection, and the data packet and the identification information used to identify the satellite are encapsulated, and then the satellite access gateway function network is The terminal generates a registration request based on the first message and sends it to the target network element in the core network, thereby enabling the terminal to establish a secure NWt connection with the satellite access gateway functional network element, and through the satellite access gateway functional network element based on the NWt connection.
  • the registration acceptance message sent by the target network element is sent to the terminal, so that the terminal can use the satellite-based trusted 3GPP access method to access the core network according to the registration acceptance message, so that the mobile network can provide services to terminals under satellites that do not support NR.
  • Figure 10 is a flow chart of a communication method according to an exemplary embodiment, applied to a terminal. As shown in Figure 10, the method includes:
  • the terminal determines that accessing the core network through the satellite in a non-3GPP access mode is a trusted connection, it establishes a Layer 2 connection with the satellite.
  • the terminal sends an EAP data packet to the satellite through a Layer 2 connection.
  • the EAP data packet is used by the satellite to encapsulate the EAP data packet and the identification information of the satellite into a first message.
  • the identification information includes one or more of a spacecraft ITU identification number, an International Space Research Council number, an international satellite identifier, and a National Space Science Data Center identification.
  • sending the EAP data packet to the satellite over the layer two connection includes sending the EAP data packet to the satellite over the layer two connection in response to receiving an EAP request sent by the satellite over the layer two connection.
  • the EAP request may be sent by the satellite to the terminal in response to the successful establishment of the Layer 2 connection between the satellite and the terminal.
  • the satellite encapsulates the EAP data packet and the identification information of the satellite into a first message and sends the first message to the satellite access gateway functional network element.
  • the satellite access gateway functional network element can respond to the first message Generate a registration message and send it to the target network element, thereby allowing the terminal to access the core network in a non-3GPP access mode.
  • the target network element is an AMF network element.
  • the satellite access gateway function network element can select one AMF network element from the multiple AMF network elements as the target network element before sending a registration request to the AMF network element.
  • the AMF network element is used to send identification information to the UDM network element in the core network.
  • the core network may also include multiple UDM network elements, and the AMF network element may select one UDM network element from multiple UDMs for registration.
  • the identification message may be the access type ( Sent simultaneously when the access type is non-3GPP access).
  • the AMF network element is also used to send identification information to the SMF network element and/or the PCF network element in the core network.
  • the identification information is sent to the SMF network element/PCF network element, and the identification information can be used for policy management (such as QoS, mobility management) and charging control.
  • the satellite access gateway functional network element and the AMF network element can communicate through the N2 interface, and the satellite access gateway functional network element is configured to send a registration message to the target network element through the N2 interface according to the first message.
  • the N2 interface may be an enhanced N2 interface to ensure reliable communication between the satellite access gateway functional network element and the network element.
  • the first message may be an N2 message.
  • the satellite access gateway functional network element can also receive the identity response (identity response) sent by the AMF, the SMC (Satellite Mobile Channel, satellite mobile channel) request message, and the N2 initial context setting request message (N2 Initial Ctx Setup) through the N2 interface. Request), etc., and send identity request, N2 Initial Context Setup Response message (N2 Initial Ctx Setup Response), etc.
  • the satellite is used as the access point of the access network to receive the EAP data packet sent by the terminal and encapsulate the data packet and the identification information used to identify the satellite, thereby enabling the terminal to use the satellite through the satellite to authenticate the EAP data packet.
  • the 3GPP access method is connected to the core network, so that the mobile network can provide services to terminals under satellites that do not support NR and obtain the identification information of the satellite.
  • FIG 11 is a schematic diagram of a communication system according to an exemplary embodiment.
  • the communication system 1100 includes a satellite 1101, a satellite access gateway functional network element 1102 and a target network element 1103, where the satellite 1101 As an access point, terminals can access the core network via satellite in a non-3GPP access mode.
  • the present disclosure also provides a flow chart of a communication method shown in Figure 12 according to an exemplary embodiment, which is applied to the communication system shown in Figure 11, as shown in Figure 12 As shown, the method includes:
  • the satellite receives the EAP data packet sent by the terminal through the layer 2 connection with the terminal.
  • the layer 2 connection is established when the terminal determines that accessing the core network through the satellite in a non-3GPP access mode is a trusted connection.
  • the satellite encapsulates the EAP data packet and the identification information of the satellite into a first message.
  • the EAP data packet includes the network access identifier.
  • the satellite sends the first message to the satellite access gateway functional network element in the access network, and the satellite access gateway functional network element provides a trusted non-3GPP gateway function.
  • the satellite access gateway function network element generates a registration message according to the first message, and the registration message includes identification information.
  • the satellite access gateway function network element sends the registration message to the target network element.
  • the identification information includes one or more of a spacecraft ITU identification number, an International Space Research Council number, an international satellite identifier, and a National Space Science Data Center identification.
  • the target network element is an AMF network element.
  • the satellite access gateway function network element may select one AMF network element from the multiple AMF network elements before sending a registration request to the AMF network element.
  • the AMF network element is used to send identification information to the UDM network element in the core network.
  • the core network may also include multiple UDM network elements, and the AMF network element may select one UDM network element from multiple UDMs for registration.
  • the identification message may be the access type ( Sent simultaneously when the access type is non-3GPP access).
  • the AMF network element is also used to send identification information to the SMF network element and/or the PCF network element in the core network.
  • the identification information is sent to the SMF network element/PCF network element, and the identification information can be used for policy management (such as QoS, mobility management) and charging control.
  • the satellite access gateway functional network element and the AMF network element can communicate through the N2 interface.
  • the satellite access gateway functional network element sends the registration message to the target network element, which may include: the satellite access gateway functional network element. Send a registration message to the AMF network element through the N2 interface.
  • the satellite is used as the access point of the access network to receive the EAP data packet sent by the terminal and encapsulate the data packet and the identification information used to identify the satellite, and then the satellite access gateway function network element is based on The first message generates a registration request and sends it to the target network element in the core network, thereby allowing the terminal to access the core network through the satellite in a trusted non-3GPP access mode, so that the mobile network can provide terminals under satellites that do not support NR. service and obtain the identification message of the satellite.
  • Figure 13 is a flow chart of a communication method according to an exemplary embodiment, which is applied to the communication system shown in Figure 11, where the target network element is an AMF network element. As shown in Figure 13, the method includes:
  • the satellite receives the EAP data packet sent by the terminal through the layer 2 connection with the terminal.
  • the layer 2 connection is established when the terminal determines that accessing the core network through the satellite in a non-3GPP access mode is a trusted connection.
  • the satellite encapsulates the EAP data packet and the identification information of the satellite into a first message.
  • the EAP data packet includes a network access identifier.
  • the satellite sends the first message to the satellite access gateway functional network element in the access network, and the satellite access gateway functional network element provides a trusted non-3GPP gateway function.
  • the satellite access gateway function network element generates a registration message according to the first message, and the registration message includes identification information.
  • the satellite access gateway function network element sends a registration message to the AMF network element through the N2 interface.
  • the satellite access gateway function network element After the NWt connection with the terminal is successfully established, the satellite access gateway function network element sends an initial context setting response message to the AMF network element through the N2 interface.
  • the satellite access gateway function network element receives the registration acceptance message sent by the AMF network element through the N2 interface, and sends the registration acceptance message to the terminal through the NWt connection.
  • the registration acceptance message is used for the terminal to access through the trusted non-3GPP access method. Core Network.
  • the registration acceptance message may be a NAS registration acceptance message (NAS Registration Accept, Non-Access Stratum Registration Accept).
  • the registration acceptance message may be sent by the AMF in response to the initial context setting response message, and is sent to the terminal through the NWt connection through the satellite access gateway function network element.
  • the terminal may utilize a feasible satellite-based non-3GPP access network to access the core network and transmit non-seamless offload traffic and/or establish one or more PDU sessions.
  • the identification information includes one or more of a spacecraft ITU identification number, an International Space Research Council number, an international satellite identifier, and a National Space Science Data Center identification.
  • the satellite after the terminal accesses the core network through a trusted non-3GPP method based on the registration acceptance message, the satellite sends the identification information in the registration message to one of the UDM network element, SMF network element, or PCF network element. Or more.
  • the AMF network element is used to send identification information to the UDM network element in the core network.
  • the core network may also include multiple UDM network elements, and the AMF network element may select one UDM network element from multiple UDMs for registration.
  • the identification message may be the access type ( Sent simultaneously when the access type is non-3GPP access).
  • the AMF network element sends the identification information in the registration message to the UDM network element including:
  • the AMF network element When the AMF network element registers with the UDM network element, it sends the target access type and identification information to the UDM network element through the AMF registration request.
  • the AMF network element is also used to send identification information to the SMF network element and/or the PCF network element in the core network.
  • the identification information is sent to the SMF network element/PCF network element, and the identification information can be used for policy management (such as QoS, mobility management) and charging control.
  • the N2 interface may be an enhanced N2 interface to ensure reliable communication between the satellite access gateway functional network element and the network element.
  • the first message may be an N2 message.
  • the satellite access gateway functional network element can also receive the identity response (identity response) sent by the AMF, the SMC (Satellite Mobile Channel, satellite mobile channel) request message, and the N2 initial context setting request message (N2 Initial Ctx Setup) through the N2 interface. Request), etc., and send identity request, N2 Initial Context Setup Response message (N2 Initial Ctx Setup Response), etc.
  • the satellite is used as the access point of the access network, the EAP data packet sent by the terminal is received through the layer 2 connection, and the data packet and the identification information used to identify the satellite are encapsulated, and then the satellite access gateway function network is The terminal generates a registration request based on the first message and sends it to the target network element in the core network, thereby enabling the terminal to establish a secure NWt connection with the satellite access gateway functional network element, and through the satellite access gateway functional network element based on the NWt connection.
  • the registration acceptance message sent by the target network element is sent to the terminal, so that the terminal can use the satellite-based trusted 3GPP access method to access the core network according to the registration acceptance message, so that the mobile network can provide services to terminals under satellites that do not support NR.
  • Figure 14 is an interaction diagram illustrating a communication method according to an exemplary embodiment. As shown in Figure 14, the method includes:
  • the terminal detects that accessing a PLMN's core network through a non-3GPP access method is a trusted connection, and the access point of the access network is provided by the satellite.
  • the terminal establishes a Layer 2 connection with the satellite.
  • the satellite sends an EAP identity request to the terminal through the layer 2 connection.
  • the terminal sends an EAP identity response, that is, an EAP data packet, to the satellite through the layer 2 connection.
  • the EAP data packet can be obtained by starting the EAP program through the terminal to encapsulate the EAP message.
  • the EAP data packet can be an IEEE 802.3/802.1x data packet, an IEEE 802.11/802.1x data packet or a PPP data packet, etc.
  • the EAP packet may include NAI (Network Access Identifier, Nature of Address Indicator).
  • NAI Network Access Identifier, Nature of Address Indicator
  • the NAI may be used to indicate that the terminal requests to connect to a specific PLMN.
  • the satellite encapsulates the EAP data packet and the identification information of the satellite into a first message, and sends the first message to the satellite access gateway functional network element through the AAA interface.
  • the identification information of the satellite includes the spacecraft ITU ID (S-ITU ID), the International Space Research Committee number (COSPAR ID, Committee on Space Research Identity), the International Satellite Identifier (International Designator, ID), and the country One or more of the National Space Science Data Center ID (NSSDC ID).
  • S-ITU ID spacecraft ITU ID
  • COSPAR ID International Space Research Committee number
  • COSPAR ID Committee on Space Research Identity
  • International Satellite Identifier International Designator, ID
  • NSSDC ID National Space Science Data Center ID
  • the satellite access gateway functional network element sends the EAP-Req/5G-Start message to the terminal.
  • the terminal sends access point parameters to the satellite access gateway functional network element.
  • the access point parameters may include terminal identification, PLMN identification, NSSAI, etc.
  • the terminal identification may be, for example, 5G-GUTI (5G Globally Unique Temporary Identifier, 5G Globally Unique Temporary Identifier).
  • the satellite access gateway function network element selects an AMF network element from multiple AMF network elements as the target network element.
  • the satellite access gateway function network element sends a registration request to the target network element through the N2 interface.
  • the registration request may be generated based on the identification information, access point parameters and other information in the first message.
  • the target network element interacts with the AUSF network element, satellite access gateway function network element, satellite and terminal according to the registration request, and establishes an NWt connection between the terminal and the satellite.
  • the specific interaction process can refer to the related technology TS 23.502.
  • the satellite access gateway function network element sends an initial context setting response message to the target network element through the N2 interface.
  • the target network element sends a NAS registration acceptance message to the satellite access gateway functional network element through the N2 interface.
  • the satellite access gateway functional network element forwards the NAS registration acceptance message to the terminal through the NWt connection to complete the terminal's access to the core network through a trusted non-3GPP method.
  • the target network element can also send the identification message of the satellite to one or more of the UDM network element, SMF network element, or PCF network element.
  • UDM network elements, SMF network elements or PCF network elements Enables UDM network elements, SMF network elements or PCF network elements to perform data management, policy management (such as QoS, mobility management) and charging control based on satellite identification information, enabling terminals to use satellite-based trusted 3GPP based on registration acceptance messages
  • the access method connects to the core network so that the mobile network can provide services to terminals under satellites that do not support NR and can effectively manage and bill based on satellite identities.
  • FIG. 15 is a block diagram of a communication device according to an exemplary embodiment. It is applied to a satellite.
  • the satellite serves as an access point for terminals to access the core network in a non-3GPP access mode through the satellite.
  • the communication device 1500 includes:
  • the first receiving module 1501 is configured to receive the EAP data packet sent by the terminal through a layer 2 connection with the terminal.
  • the layer 2 connection is established when the terminal determines that accessing the core network through a satellite in a non-3GPP access mode is a trusted connection. of;
  • the encapsulation module 1502 is configured to encapsulate the EAP data packet and the identification information of the satellite into a first message, where the EAP data packet includes a network access identifier;
  • the first sending module 1503 is configured to send the first message to the satellite access gateway functional network element in the access network.
  • the satellite access gateway functional network element provides the trusted non-3GPP gateway function.
  • the first message is used for satellite access.
  • the ingress gateway function network element generates a registration message according to the first message, and the registration message includes identification information.
  • the identification information includes one or more of a spacecraft ITU identification number, an International Space Research Council number, an international satellite identifier, and a National Space Science Data Center identification.
  • the first sending module 1503 is configured as:
  • the first message is sent to the satellite access gateway functional network element through the AAA interface between the satellite and the satellite access gateway functional network element; wherein the first message is an AAA message.
  • Figure 16 is a block diagram of a communication device according to an exemplary embodiment, applied to a satellite access gateway functional network element. As shown in Figure 16, the communication device 1600 includes:
  • the second receiving module 1601 is configured to receive the first message sent by the satellite.
  • the first message is encapsulated by the satellite according to the EAP data packet sent by the terminal and the identification information of the satellite.
  • the satellite access gateway functional network element provides a trusted non-3GPP Gateway function, the terminal accesses the core network through satellite through non-3GPP access mode, which is a trusted connection;
  • the generating module 1602 is configured to generate a registration message according to the first message, where the registration message includes identification information.
  • the identification information includes one or more of a spacecraft ITU identification number, an International Space Research Council number, an international satellite identifier, and a National Space Science Data Center identification.
  • the communication device 1600 includes:
  • the second sending module is configured to send the registration message to the target network element in the core network.
  • the target network element is an AMF network element.
  • the AMF network element is used to send identification information to the UDM network element in the core network.
  • the AMF network element is also used to send the identification information to the SMF network element and/or the PCF network element in the core network.
  • the satellite access gateway functional network element communicates with the AMF network element through the N2 interface, and the second sending module is configured as:
  • the communication device 1600 includes:
  • the second sending submodule is configured to send an initial context setting response message to the AMF network element through the N2 interface after the NWt connection with the terminal is successfully established;
  • the second receiving submodule is configured to receive the registration acceptance message sent by the AMF network element through the N2 interface, and send the registration acceptance message to the terminal through the NWt connection.
  • the registration acceptance message is used for the terminal to access through the trusted non-3GPP access method. Core Network.
  • Figure 17 is a block diagram of a communication device according to an exemplary embodiment, applied to a target network element of the core network. As shown in Figure 17, the communication device 1700 includes:
  • the third receiving module 1700 is configured to receive a registration message sent by the satellite access gateway functional network element.
  • the registration message is generated based on the first message.
  • the first message is encapsulated by the satellite based on the EAP data packet sent by the terminal and the identification information of the satellite. It is obtained that the satellite access gateway functional network element provides a trusted non-3GPP gateway function, and the terminal accessing the core network through the satellite in a non-3GPP access mode is a trusted connection.
  • the identification information includes one or more of a spacecraft ITU identification number, an International Space Research Council number, an international satellite identifier, and a National Space Science Data Center identification.
  • the target network element is an AMF network element.
  • the satellite access gateway function network element communicates with the AMF network element through the N2 interface.
  • the third receiving module 1700 is configured as:
  • the communication device 1700 includes:
  • the third receiving submodule is configured to receive the initial context setting response message sent by the satellite access gateway functional network element through the N2 interface.
  • the initial context setting response message is after the NWt connection between the satellite access gateway functional network element and the terminal is successfully established. sent;
  • the third sending submodule is configured to send a registration acceptance message to the satellite access gateway functional network element through the N2 interface.
  • the registration acceptance message is used by the satellite access gateway functional network element to send the registration acceptance message to the terminal through the NWt connection.
  • the communication device 1700 includes:
  • the fourth sending submodule is configured to send the identification information in the registration message to the UDM network element, SMF network element or PCF network element after the terminal accesses the core network through a trusted non-3GPP method based on the registration acceptance message. one or more.
  • the fourth sending sub-module is configured as:
  • the target access type and identification information are sent to the UDM network element through the AMF registration request.
  • Figure 18 is a block diagram of a communication device according to an exemplary embodiment, applied to a terminal. As shown in Figure 18, the communication device 1800 includes:
  • the determination module 1801 is configured to establish a Layer 2 connection with the satellite when it is determined that accessing the core network through the satellite in a non-3GPP access mode is a trusted connection;
  • the third sending module 1802 is configured to send an EAP data packet to the satellite through a Layer 2 connection.
  • the EAP data packet is used by the satellite to encapsulate the EAP data packet and the identification information of the satellite into a first message.
  • the identification information includes one or more of a spacecraft ITU identification number, an International Space Research Council number, an international satellite identifier, and a National Space Science Data Center identification.
  • the third sending module 1802 is configured as:
  • an EAP packet is sent to the satellite over the Layer 2 connection.
  • FIG. 19 is a block diagram of an electronic device 1900 according to an exemplary embodiment.
  • the electronic device 1900 may be provided as a terminal, for example, the electronic device 1900 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, or the like.
  • electronic device 1900 may include one or more of the following components: processing component 1902 , memory 1904 , power component 1906 , multimedia component 1908 , audio component 1910 , input/output (I/O) interface 1912 , sensor component 1914 , and communications component 1916.
  • Processing component 1902 generally controls the overall operations of electronic device 1900, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 1902 may include one or more processors 1920 to execute instructions to complete all or part of the steps of the above method. Additionally, processing component 1902 may include one or more modules that facilitate interaction between processing component 1902 and other components. For example, processing component 1902 may include a multimedia module to facilitate interaction between multimedia component 1908 and processing component 1902.
  • Memory 1904 is configured to store various types of data to support operations at electronic device 1900 . Examples of such data include instructions for any application or method operating on electronic device 1900, contact data, phonebook data, messages, pictures, videos, etc.
  • Memory 1904 may be implemented by any type of volatile or non-volatile storage device, or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EEPROM), Programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EEPROM erasable programmable read-only memory
  • EPROM Programmable read-only memory
  • PROM programmable read-only memory
  • ROM read-only memory
  • magnetic memory flash memory, magnetic or optical disk.
  • Power component 1906 provides power to various components of electronic device 1900 .
  • Power components 1906 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to electronic device 1900 .
  • Multimedia component 1908 includes a screen that provides an output interface between the electronic device 1900 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide action.
  • multimedia component 1908 includes a front-facing camera and/or a rear-facing camera.
  • the front camera and/or the rear camera may receive external multimedia data.
  • Each front-facing camera and rear-facing camera can be a fixed optical lens system or have a focal length and optical zoom capabilities.
  • Audio component 1910 is configured to output and/or input audio signals.
  • audio component 1910 includes a microphone (MIC) configured to receive external audio signals when electronic device 1900 is in operating modes, such as call mode, recording mode, and voice recognition mode. The received audio signals may be further stored in memory 1904 or sent via communications component 1916 .
  • audio component 1910 also includes a speaker for outputting audio signals.
  • the I/O interface 1912 provides an interface between the processing component 1902 and a peripheral interface module.
  • the peripheral interface module may be a keyboard, a click wheel, a button, etc. These buttons may include, but are not limited to: Home button, Volume buttons, Start button, and Lock button.
  • Sensor component 1914 includes one or more sensors for providing various aspects of status assessment for electronic device 1900 .
  • the sensor component 1914 can detect the open/closed state of the electronic device 1900, the relative positioning of components, such as the display and keypad of the electronic device 1900, the sensor component 1914 can also detect the electronic device 1900 or one of the electronic device 1900.
  • the position of components changes, the presence or absence of user contact with the electronic device 1900 , the orientation or acceleration/deceleration of the electronic device 1900 and the temperature of the electronic device 1900 change.
  • Sensor assembly 1914 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • Sensor assembly 1914 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor component 1914 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 1916 is configured to facilitate wired or wireless communication between electronic device 1900 and other devices.
  • the electronic device 1900 can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof.
  • the communication component 1916 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communications component 1916 also includes a near field communications (NFC) module to facilitate short-range communications.
  • NFC near field communications
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • electronic device 1900 may be configured by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A programmable gate array
  • controller microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • a non-transitory computer-readable storage medium including instructions such as a memory 1904 including instructions, which can be executed by the processor 1920 of the electronic device 1900 to complete the above method is also provided.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.
  • a computer program product comprising a computer program executable by a programmable device, the computer program having a function for performing the above when executed by the programmable device.
  • the code part of the communication method.
  • Figure 20 is a block diagram of a network device according to an exemplary embodiment.
  • the network device 2000 may be provided as a satellite, or may be provided as a core network or other network logical entity in an access network.
  • network device 2000 includes a processing component 2022, which further includes one or more processors, and memory resources represented by memory 2032 for storing instructions, such as application programs, executable by processing component 2022.
  • the application program stored in memory 2032 may include one or more modules, each corresponding to a set of instructions.
  • the processing component 2022 is configured to execute instructions to perform steps of the communication method provided by the above method embodiments.
  • Network device 2000 may also include a power supply component 2026 configured to perform power management of device 2000, a wired or wireless network interface 2050 configured to connect network device 2000 to a network, and an input-output (I/O) interface 2058.
  • Network device 2000 may operate based on an operating system stored in memory 2032, such as Windows Server TM , Mac OS X TM , Unix TM , Linux TM , FreeBSD TM or the like.
  • a computer program product comprising a computer program executable by a programmable device, the computer program having a function for performing the above when executed by the programmable device.
  • the code part of the communication method.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente divulgation concerne un procédé de communication appliqué à un satellite. Le satellite est utilisé en tant que point d'accès pour qu'un terminal accède à un réseau central dans un mode d'accès non-3GPP au moyen du satellite. Le procédé comprend les étapes suivantes consistant à : au moyen d'une connexion de couche 2 avec un terminal, recevoir un paquet de données EAP envoyé par le terminal, la connexion de couche 2 étant établie lorsque le terminal détermine que la connexion d'accès à un réseau central dans un mode d'accès non-3GPP au moyen d'un satellite est une connexion de confiance ; encapsuler le paquet de données EAP et des informations d'identification du satellite dans un premier message, le paquet de données EAP comprenant un identifiant d'accès au réseau ; et envoyer le premier message à un élément de réseau de fonction de passerelle d'accès satellite dans un réseau d'accès, l'élément de réseau de fonction de passerelle d'accès satellite fournissant une fonction de passerelle non-3GPP de confiance, le premier message étant utilisé par l'élément de réseau de fonction de passerelle d'accès satellite pour générer un message d'enregistrement selon le premier message, et le message d'enregistrement comprenant les informations d'identification.
PCT/CN2022/117656 2022-09-07 2022-09-07 Procédé, appareil et système de communication, dispositif électronique et support WO2024050736A1 (fr)

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PCT/CN2022/117656 WO2024050736A1 (fr) 2022-09-07 2022-09-07 Procédé, appareil et système de communication, dispositif électronique et support

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103476094A (zh) * 2012-06-06 2013-12-25 中兴通讯股份有限公司 一种接入网络的方法、终端及互通网关
CN112602298A (zh) * 2018-06-30 2021-04-02 诺基亚通信公司 不允许对5gcn的非3gpp接入的处理失败
WO2021223861A1 (fr) * 2020-05-06 2021-11-11 Lenovo (Singapore) Pte. Ltd. Réauthentification de fonction de passerelle
US20210360742A1 (en) * 2018-10-03 2021-11-18 Apple Inc. Systems, methods, and apparatuses for enabling relay services for user equipment to access 5gc via a residential gateway
CN113852949A (zh) * 2021-09-26 2021-12-28 中国电子科技集团公司第五十四研究所 接入网关及卫星终端通过接入网关接入5g移动网络方法
CN113949433A (zh) * 2021-09-10 2022-01-18 航天恒星科技有限公司 一种连接卫星通信基带系统与5g核心网的互联网关
CN114616768A (zh) * 2019-11-07 2022-06-10 高通股份有限公司 用于支持5g卫星无线电接入技术的系统和方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103476094A (zh) * 2012-06-06 2013-12-25 中兴通讯股份有限公司 一种接入网络的方法、终端及互通网关
CN112602298A (zh) * 2018-06-30 2021-04-02 诺基亚通信公司 不允许对5gcn的非3gpp接入的处理失败
US20210360742A1 (en) * 2018-10-03 2021-11-18 Apple Inc. Systems, methods, and apparatuses for enabling relay services for user equipment to access 5gc via a residential gateway
CN114616768A (zh) * 2019-11-07 2022-06-10 高通股份有限公司 用于支持5g卫星无线电接入技术的系统和方法
WO2021223861A1 (fr) * 2020-05-06 2021-11-11 Lenovo (Singapore) Pte. Ltd. Réauthentification de fonction de passerelle
CN113949433A (zh) * 2021-09-10 2022-01-18 航天恒星科技有限公司 一种连接卫星通信基带系统与5g核心网的互联网关
CN113852949A (zh) * 2021-09-26 2021-12-28 中国电子科技集团公司第五十四研究所 接入网关及卫星终端通过接入网关接入5g移动网络方法

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