WO2022247679A1 - 移动通信局域网建立方法及装置 - Google Patents

移动通信局域网建立方法及装置 Download PDF

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Publication number
WO2022247679A1
WO2022247679A1 PCT/CN2022/093085 CN2022093085W WO2022247679A1 WO 2022247679 A1 WO2022247679 A1 WO 2022247679A1 CN 2022093085 W CN2022093085 W CN 2022093085W WO 2022247679 A1 WO2022247679 A1 WO 2022247679A1
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information
user plane
network unit
network
gateway
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PCT/CN2022/093085
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English (en)
French (fr)
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苗润泉
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展讯半导体(南京)有限公司
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Publication of WO2022247679A1 publication Critical patent/WO2022247679A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

Definitions

  • the present application relates to the technical field of communication, and in particular to a method and device for establishing a mobile communication local area network.
  • 5G local area network is one of the most promising technologies in the relevant phase of 3GPP. It can provide customized 5G industry local area network for partners, so that enterprise terminals and enterprise clouds are in the same "local area network”. It is mainly oriented to enterprise cloud access, intelligent manufacturing and other fields, realizing flexible group management of terminals, direct communication and access to enterprise cloud anytime and anywhere.
  • VN group virtual network group
  • All users in a 5G local area network (Local Area Network, LAN) VN group are served by one or more user plane functions (User Plane Function, UPF), and a session management function (Session Management Function, SMF) or a group of session Manage network elements to serve.
  • UPF User Plane Function
  • SMF Session Management Function
  • the user can transfer the data of the data local area network to the target UE without passing through the data network (Data Network, DN) through the user plane network unit.
  • Data Network Data Network
  • the session management network unit can configure the user plane network unit to implement different service forwarding, such as the LAN service under the same protocol data unit (Protocol Data Unit, PDU) session anchor (PDU Session Anchor, PSA) user plane network unit directly through the described
  • PDU Protocol Data Unit
  • PSA session anchor
  • the PSA user plane network unit forwards locally, the cross-PSA LAN service is forwarded through the N19 tunnel, and the service sent to the data network (DN) is forwarded outward through the N6 interface.
  • the VN group of 5G LAN is managed and configured by the core network. Once disconnected from the core network, the 5G LAN will fail.
  • the embodiment of the present application provides a method and device for establishing a mobile communication local area network, which can ensure normal service of the local area network when disconnected from the core network.
  • the embodiment of the present application provides a method for establishing a mobile communication local area network, which is applied to a gateway, and the method includes:
  • the gateway When the first user plane network unit or the gateway is disconnected from the core network, the gateway sends first information, where the first information is used to indicate the establishment of a local area network between at least two first user terminal UEs, so The first UE is a UE served by the first user plane network unit or the gateway.
  • an embodiment of the present application provides a method for establishing a mobile communication local area network, which is applied to a first user plane network unit, and the method includes:
  • the first user plane network unit receives first information, where the first information is used to indicate the establishment of a local area network between at least two first UEs, the first UE being served by the first user plane network unit UE;
  • the first information determine that the first user plane network unit is a first protocol data unit session anchor.
  • the embodiment of the present application provides a method for establishing a mobile communication local area network, which is applied to a session management network unit, and the method includes
  • the session management network unit sends first information to the first user plane network unit, where the first information is used to indicate the establishment of a local area network between at least two first UEs, where the first UEs are used by the first user The UE served by the network unit.
  • an apparatus for establishing a mobile communication local area network provided in an embodiment of the present application is applied to a gateway, and the apparatus includes:
  • a transceiver unit configured to send first information when the first user plane network unit or the gateway is disconnected from the core network, and the first information is used to indicate the establishment of a local area network between at least two first user terminal UEs , the first UE is a UE served by the first user plane network unit or the gateway.
  • an apparatus for establishing a mobile communication local area network provided in an embodiment of the present application is applied to a first user plane network unit, and the apparatus includes:
  • a transceiver unit configured to receive first information, where the first information is used to indicate establishment of a local area network between at least two first UEs, where the first UEs are UEs served by the first user plane network unit;
  • a processing unit configured to determine, according to the first information, that the first user plane network unit is a first PDU session anchor.
  • an apparatus for establishing a mobile communication local area network provided in an embodiment of the present application is applied to a session management network unit, and the apparatus includes:
  • a transceiver unit configured to send first information to a first user plane network unit, where the first information is used to indicate establishment of a local area network between at least two first UEs, the first UEs being used by the first user plane UE served by the network element.
  • the embodiment of the present application provides a chip, the chip is used to send the first information when the first user plane network unit or the gateway is disconnected from the core network, and the first information is used to indicate Establishing a local area network between at least two first user terminal UEs, where the first UEs are UEs served by the first user plane network unit or the gateway.
  • the embodiment of the present application provides a chip module, including a transceiver component and a chip, wherein the chip is used to disconnect the core network from the first user plane network unit or the gateway through the transceiver component
  • the first information is used to indicate the establishment of a local area network between at least two first user terminal UEs, and the first UE is served by the first user plane network unit or the gateway UE.
  • the embodiment of the present application provides a chip, the chip is configured to receive first information, and the first information is used to indicate establishment of a local area network between at least two first UEs, the first UE being a UE served by the first user plane network unit;
  • the chip is further configured to determine, according to the first information, that the first user plane network unit is the first PDU session anchor.
  • an embodiment of the present application provides a chip module, including a transceiver component and a chip, wherein the chip is configured to receive first information through the transceiver component, and the first information is used to indicate the establishment of at least two A local area network between two first UEs, where the first UE is a UE served by the first user plane network unit;
  • the chip is configured to determine, according to the first information, that the first user plane network unit is a first PDU session anchor.
  • the embodiment of the present application provides a chip, the chip is configured to send first information to a first user plane network unit, and the first information is used to indicate establishment of a local area network between at least two first UEs , the first UE is a UE served by the first user plane network element.
  • an embodiment of the present application provides a chip module, including a transceiver component and a chip, wherein the chip is configured to send first information to a first user plane network unit through the transceiver component, and the first The information is used to indicate to establish a local area network between at least two first UEs, where the first UEs are UEs served by the first user plane network unit.
  • the embodiment of the present application provides an electronic device, the electronic device includes a processor, a memory, a communication interface, and one or more programs, and the one or more programs are stored in the memory, And configured to be executed by the processor, the program includes instructions for executing some or all of the steps described in the method described in any one of the above-mentioned first aspect, second aspect, and third aspect.
  • an embodiment of the present application provides a computer-readable storage medium, the computer-readable storage medium stores a computer program for electronic data exchange, wherein the computer program enables the computer to execute the above-mentioned first aspect and the first aspect Part or all of the steps described in the method described in any one of the second aspect and the third aspect.
  • the embodiment of the present application provides a computer program product, wherein the above-mentioned computer program product includes a non-transitory computer-readable storage medium storing a computer program, and the above-mentioned computer program is operable to enable the computer to execute the Some or all of the steps described in the method described in any one of the first aspect, the second aspect, and the third aspect of the embodiment.
  • the computer program product may be a software installation package.
  • the gateway sends the first information when the first user plane network element or the gateway is disconnected from the core network, and the first information is used to indicate the establishment of at least two first user terminal UEs.
  • the first UE is a UE served by the first user plane network element.
  • the gateway constructs a local area network between the first UEs by sending the first information after disconnecting from the core network, so as to ensure that the local area network service of the first UE is normal when disconnected from the core network.
  • Figure 1a is a schematic diagram of a LAN network based on local conversion and N19 tunnel conversion provided by an embodiment of the present application;
  • FIG. 1b is a schematic diagram of a disconnection from the core network provided by an embodiment of the present application.
  • FIG. 2 is a schematic flow diagram of a method for establishing a mobile communication local area network provided by an embodiment of the present application
  • FIG. 2a is a schematic diagram of a local area network provided by an embodiment of the present application.
  • FIG. 3 is a schematic flowchart of another method for establishing a mobile communication local area network provided by an embodiment of the present application
  • FIG. 3a is a schematic diagram of another local area network provided by the embodiment of the present application.
  • FIG. 4 is a schematic flow diagram of another method for establishing a mobile communication local area network provided by an embodiment of the present application.
  • FIG. 4a is a schematic diagram of another local area network network provided by the embodiment of the present application.
  • FIG. 5 is a block diagram of functional units of another device for establishing a mobile communication local area network provided by an embodiment of the present application
  • FIG. 6 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • the technical solution of the embodiment of the present application can be applied to Global System for Mobile Communication (CSM), Code Division Multiple Access (CDMA) system, Wideband Code Division Multiple Access (Wideband Code Division Multiple Access, WCDMA) system, Worldwide Interoperability for Microwave Access (Wi-MAX) system, Long Term Evolution (LTE) system, 5G communication system (such as new air interface (New Radio, NR)), various
  • the communication system that integrates communication technology such as a communication system that integrates LTE technology and NR technology
  • 6G communication system, 7G communication system, etc. is not limited in this embodiment of the present application.
  • the technical solutions of the embodiments of the present application are also applicable to different network architectures, including but not limited to relay network architectures, dual-link architectures, vehicle-to-everything communication architectures, and the like.
  • the user equipment provided by the embodiment of the present application may be a mobile phone, a tablet computer, a notebook computer, an ultra-mobile personal computer (Ultra-Mobile Personal Computer, UMPC), a netbook or a personal digital assistant (Personal Digital Assistant, PDA), a mobile Internet access device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle equipment, etc.
  • UE User equipment
  • AMF access mobility management
  • SMF session management function
  • a Protocol Data Unit (PDU) session is established through a User Plane Function (UPF) node to transmit data with a Digital Network (DN).
  • UPF User Plane Function
  • DN Digital Network
  • a PDU session can be connected to the data network through one or more UPF nodes through different N6 interfaces, and the UPF node corresponding to the N6 interface acts as a PDU Session Anchor (PSA).
  • PSA PDU Session Anchor
  • indoor users can access the operator's network through PRAS and eRG, and indoor devices can establish LAN communication based on 5G (that is, end-to-end communication without going through a third-party data network).
  • 5G that is, end-to-end communication without going through a third-party data network.
  • the current 5G LAN is established based on the core network of the operator, and the aggregation and routing nodes are on the UPF of the core network.
  • the SMF can configure the UPF to achieve different service forwarding, such as UE1 and UPF under the same PSA UPF.
  • the LAN services of UE2 are directly forwarded locally through the PSA UPF, the LAN services of UE3 and UE4 across the PSA are forwarded through the N19 tunnel, and the services sent to the data network (DN) are forwarded outward through the N6 port.
  • DN data network
  • the gateway when the user plane network unit is disconnected from the core network, that is, when the gateway is disconnected from the core network, the gateway can construct UEs passing through the gateway and belonging to the same virtual network group by sending the first information.
  • the local area network between UEs so as to ensure the normal service of the local area network between UEs when disconnected from the core network.
  • the 5G network described in the embodiment of the present application refers to a network in which the core network is a 5G core network.
  • the access network (Access Network, AN) described in the embodiment of the present application can be at least one of the following access networks: an access network based on Long Term Evolution (Long Term Evolution, LTE) technology, or an access network based on 5G air interface
  • the access network of the technology can also be a non-3GPP access network connected to the 5G core network.
  • the user terminal signaling is connected to the 5G core network through the access network, and connected to other nodes of the 5G core network through the AMF node of the 5G core network, such as the SMF node.
  • the data is connected to the UPF of the 5G core network through the access network, and then through the UPF Connect with data network (DN).
  • DN UPF Connect with data network
  • the gateway in this embodiment of the application can be a 5G home gateway 5G-RG, an evolved home gateway eRG, a 5G enterprise gateway, etc., which can realize data communication between UEs in the same virtual network group and realize communication with external networks (Internet ) connection, providing bridging/routing, protocol conversion, address management and conversion, QoS management and other functions.
  • 5G home gateway 5G-RG an evolved home gateway eRG
  • 5G enterprise gateway etc.
  • other gateways that can realize the same function are also applicable to this application.
  • the user plane network unit in the embodiment of the present application may be a UPF in the 5G system, which is responsible for functions such as routing and forwarding of user data packets, service identification, and policy execution; it may also be other network elements with UPF functions , such as the core network (Evolved Packet Core, EPC) control and user plane separation (Control and User Plane Separation, CUPS) in the 4G system, of course, the network elements that can realize the same function specified in other standards are also applicable to this application, That is, the present application does not limit the specific implementation of the user plane network unit.
  • EPC Evolved Packet Core
  • CUPS Control and User Plane Separation
  • the session management network unit in the embodiment of the present application may be an SMF in the 5G system, which is responsible for the life management cycle, Internet Protocol (Internet Protocol, IP) address allocation, data routing, and business continuity of the 5G user's session. It can also be other network elements with SMF functions, such as Mobility Management Entity (MME) and Serving Gateway (SGW) in 4G system , packet data network gateway (Packet Data Network Gateway, PGW) session management and other control plane functions.
  • MME Mobility Management Entity
  • SGW Serving Gateway
  • PGW Packet Data Network Gateway
  • the network elements specified in other standards that can realize the same function are also applicable to this application, that is, this application does not limit the specific implementation of the session management network element.
  • FIG. 2 is a schematic flowchart of a method for establishing a mobile communication local area network provided by an embodiment of the present application. As shown in Figure 2, the method includes the following steps.
  • the gateway When the gateway is disconnected from the core network, the gateway sends first information, where the first information is used to indicate the establishment of a local area network between at least two first user terminal UEs, the first UEs being connected by the gateway Serving UEs.
  • the at least two first UEs belong to UEs in the same virtual network group, and the at least two first UEs are both connected to the gateway, and connected to the first user plane network unit through the gateway, so as to be connected to the core network.
  • the gateway acts as an SMF, and establishes a local area network between the at least two first user terminals UE by sending first information.
  • UE1, UE2, UE3, UE4, UE5, and UE6 all belong to the same virtual network group.
  • UE3, UE4, UE5, and UE6 connect to the core network through the gateway eRG.
  • the gateway passes through Send the first information to establish a local area network among UE3, UE4, UE5, and UE6.
  • the gateway in the embodiment of the present application can be connected to the UPF in the core network, and the UPF serves as the I-UPF or PSA UPF in the PDU session between the first UE and the DN.
  • the gateway has a configuration function of a wired local area network or a wireless local area network, and the first UE also supports corresponding local area network configuration. That is to say, when at least two first UEs use a wired network to access the gateway, the gateway configures a wired local area network to construct a local area network between the at least two first UEs with the same authority as the original 5G local area network , the members of the local area network are the UEs that access through the same eRG among the members of the virtual network group corresponding to the original 5G local area network; when at least two first UEs use the wireless network to access the gateway, the gateway performs wireless local area network configuration to A local area network having the same authority as the original 5G local area network between the at least two first UEs is constructed, and members of the local area network are UEs accessed through the same eRG in the virtual network group members corresponding to the original 5G local area network.
  • the first UE uses a non-3GPP access technology to connect to the gateway.
  • the first UE uses a non-3GPP technology to access the gateway, for example, the user moves from outdoor to indoor, so that the first UE switches from the outdoor macro base station to the indoor Customer Premises Network (CPN) composed of eRG and PRAS
  • CPN Customer Premises Network
  • the first UE supports both 3GPP access technology and non-3GPP access technology, but at this time the first UE is disconnected from the core network, so that the 5G local area network formed by the first UE through 3GPP access cannot work normally.
  • the UE uses a non-3GPP access technology to access the gateway.
  • the gateway configures the wireless LAN to build a local area network between the at least two first UEs with the same authority as the original 5G local area network.
  • the members of this area network are the original 5G local area network.
  • the first information includes virtual network group information.
  • Each virtual network group includes the following parameters: PDU session type, data network name (Date Network Name, DNN), single network slice selection assistance information (Single Network Slice Selection Assistance Information, S-NSSAI), general public user identification (Generic Public Subscription Identifier, GPSI) list, etc.
  • the method further includes: when the gateway is connected to the core network, the gateway sends an authentication request to the AMF for user authentication; the gateway receives the UDR from the unified data management Virtual network group information.
  • the unified data management (Unified Data Management, UDM) is responsible for the management of 5G user subscription data, user authentication data management, user identification management and other functions.
  • UDM Unified Data Management
  • the gateway can report to the access and mobility management function (AFM) of the core network ) sends an authentication request, and AMF authenticates the gateway based on the user authentication.
  • AMF access and mobility management function
  • the UDR can send the stored virtual network group information to the gateway, so that the gateway can information to build a local area network.
  • the gateway sending the first information includes: the gateway sending the first information to a non-3GPP communication module.
  • the at least two first UEs are connected to the gateway using a non-3GPP access technology, so when the gateway is disconnected from the core network, the gateway sends virtual network group information to its non-3GPP communication module, so that non-3GPP communication
  • the module continues to use the previous virtual network group information to establish the local area network between the at least two first UEs, thereby realizing the connection between the first UEs.
  • the gateway may broadcast the name of the local area network, and the IP address and/or network prefix of the IP address allocated to the first UE by the gateway to the at least two first UEs.
  • the first UE may access the local area network corresponding to the local area network name based on the allocated IP address and/or IP address network prefix.
  • the virtual network group information includes a plurality of virtual network group identifiers and a GPSI list corresponding to each virtual network group.
  • the GPSI list includes at least one GPSI and the mapping relationship between Subscription Permanent Identifier (SUPI) and GPSI, wherein each GPSI can be associated with one SUIP.
  • SUPI Subscription Permanent Identifier
  • the method further includes: when the second UE is located in the service range of the gateway and requests to join the local area network, the gateway checks the GPSI of the second UE; When the GPSI belongs to the GPSI list, the gateway allows the second UE to join the local area network.
  • the gateway needs to check the GPSI of the second UE, if the GPSI of the second UE is in the The GPSI list in the virtual network group information issued by UDR indicates that the second UE has passed the authentication of the core network and belongs to the same virtual network group as the first UE, so the gateway can allow the second UE to join the local area network.
  • this application proposes a method for establishing a mobile communication local area network.
  • the gateway sends first information, and the first information is used to indicate the establishment of at least two first A local area network between user terminals UEs, where the first UE is a UE served by the first user plane network unit.
  • the gateway constructs a local area network between the first UEs by sending the first information after disconnecting from the core network, so as to ensure that the local area network service of the first UE is normal when disconnected from the core network.
  • FIG. 3 is a schematic flowchart of a method for establishing a mobile communication local area network provided by an embodiment of the present application. As shown in Figure 3, the method includes the following steps.
  • the gateway sends first information, where the first information is used to indicate the establishment of a local area network between at least two first user terminal UEs, the first UE is a UE served by the first user plane network element.
  • a UPF that is, a first user plane network element
  • the gateway and the first user plane network unit may be the same entity, that is, some software codes are added to the gateway, which can realize the function of UPF; or the gateway and the first user plane network unit are two entities,
  • the gateway is connected to the first user plane network unit, and is connected to the UPF in the core network through the first user plane network unit.
  • the first user plane network unit When the first user plane network unit is normally connected to the core network, the first user plane network unit acts as the I-UPF in the PDU session between the first UE and the DN; when the first user plane network unit is disconnected from the core network When connected, the first user plane network unit acts as a PSA UPF to implement local forwarding of LAN services under the first user plane network unit.
  • the at least two first UEs belong to UEs in the same virtual network group, and the at least two first UEs are both connected to the gateway and the first user plane network unit, and the first user plane network unit is connected to the core network.
  • the gateway acts as an SMF, and establishes a local area network between the at least two first user terminal UEs by sending first information.
  • UE1, UE2, UE3, UE4, UE5, and UE6 all belong to the same virtual network group
  • UE3, UE4, UE5, and UE6 are all connected to the gateway eRG and the UPF in the gateway, and the UPF in the gateway acts as the The I-UPF of UE5 and UE6 LAN
  • the I-UPF is connected to the PSA UPF of the core network through the N9 tunnel
  • the PSA UPF is connected to the PSA UPF of the virtual network group through the N19 tunnel, and connected to the DN through the PSA UPF of the virtual network group
  • UE1 and UE2 are respectively connected to the PSA UPF of the virtual network group through the I-UPF in the core network.
  • the I-UPF in the gateway can be used as the PSA UPF to establish LAN between UE3, UE4, UE5 and UE6.
  • the first information includes one or more of the virtual network group information, the ID of the first PDU session, and the forwarding quality of service QoS rule of the first PDU session, and the first PDU session is the at least two PDU sessions.
  • a UE establishes a PDU session with the data network DN through the first user plane network unit.
  • the sending the first information by the gateway includes: sending the first information to the first user plane network unit by the gateway.
  • the gateway plays the role of SMF, initiates the UPF reselection process, and selects the first user plane network unit as the PSA UPF, and then sends the first information to the first user plane network unit, so that the first user plane network unit receives the first
  • the information is then locally forwarded to local area network services passing through the first user plane network unit, and discarded for non-local area network services and performances, thereby establishing a local area network between the at least two first UEs.
  • the method further includes: when the first user plane network unit connects to the core network, the gateway receives second information from a session management network unit, where the second information includes the first information and third information, the third information includes the IP address of the first PDU session and/or the network prefix of the IP address of the first PDU session; the gateway sends the third information to the first PDU session A user plane network unit.
  • the SMF determines that the UEs of the virtual network group need to A PDU session ID passing through the same I-UPF (first user plane network unit) is established, and first information and third information are configured for the first user plane network unit.
  • the SMF sends the configured first information and third information to the gateway, so that the first user plane network unit cannot connect to the PSA
  • the gateway can trigger the UPF reselection process of the PDU session to establish a local area network between the first UEs.
  • the gateway can send the IP address of the first PDU session configured by the SMF and/or the IP address network prefix of the first PDU session to the first user plane network unit, so that the first user plane network unit keeps the IP address and/or IP address network prefix assigned to each PDU session unchanged, and uses the forwarding quality of service rule configured by the SMF to locally forward the LAN service.
  • the first user plane network unit receives first information, and determines, according to the first information, that the first user plane network unit is a first PDU session anchor.
  • the first user plane network unit executes the function of the PSA UPF according to the first information.
  • the first user plane network unit receives third information from the gateway, where the third information includes the IP address of the first PDU session and/or the network prefix of the IP address of the first PDU session.
  • the first user plane network element keeps the IP address and/or IP address network prefix assigned to each PDU session unchanged, and uses the forwarding quality of service rule configured by the SMF to carry out the local area network service Local forwarding.
  • this application proposes a method for establishing a mobile communication local area network.
  • the gateway sends the first information, and the first information is used to indicate the establishment of at least two first A local area network between user terminals UE, the first UE is a UE served by the first user plane network unit; the first user plane network unit receives the first information, and determines the first user plane network unit according to the first information
  • the network element is the session anchor point of the first protocol data unit.
  • This application introduces the first user plane network unit in the gateway, so that when the first user plane network unit is disconnected from the core network, the gateway can trigger the UPF reselection process of the PDU session, and send the first information to the first
  • the user plane network unit implements local forwarding of the LAN service through the first user plane network unit, so that the LAN service of the first UE is guaranteed to be normal when disconnected from the core network.
  • FIG. 4 is a schematic flowchart of a method for establishing a mobile communication local area network provided by an embodiment of the present application. As shown in Figure 4, the method includes the following steps.
  • the session management network unit sends first information to the first user plane network unit, where the first information is used to indicate establishment of a local area network between at least two first UEs, where the first UE is used by the first user The UE served by the network unit.
  • a UPF that is, a first user plane network element
  • the gateway and the first user plane network unit may be the same entity, that is, some software codes are added to the gateway, which can realize the function of UPF; or the gateway and the first user plane network unit are two entities,
  • the gateway is connected to the first user plane network unit, and is connected to the UPF in the core network through the first user plane network unit.
  • the first user plane network unit acts as the PSA UPF in the PDU session between the first UE and the DN; when the first user plane network unit is disconnected from the core network , the first user plane network unit can directly implement local forwarding of LAN services.
  • the at least two first UEs belong to UEs in the same virtual network group, and the at least two first UEs are both connected to the gateway and the first user plane network unit, and the first user plane network unit is connected to the core network.
  • the first user plane network unit may continue to perform local forwarding for services between the first UEs, ensuring that the local area network services of the first UEs are normal.
  • UE1, UE2, UE3, UE4, UE5, and UE6 all belong to the same virtual network group
  • UE3, UE4, UE5, and UE6 are all connected to the gateway eRG and the UPF in the gateway, and the UPF in the gateway acts as the The PSA UPF of the UE5 and UE6 LANs
  • the PSA UPF is connected to the UPF in the core network through the N9 tunnel
  • the UPF is also used as the PSA UPF of the UE3, UE4, UE5 and UE6 LANs
  • the PSA UPF is connected to the virtual network group through the N19 tunnel
  • the PSA UPF is connected to the DN through the PSA UPF of the virtual network group
  • UE1 and UE2 are respectively connected to the PSA UPF of the virtual network group through the I-UPF in the core network, when the PSA UPF in the gateway is disconnected from the core network PSA
  • the first information includes one or more of the virtual network group information, the ID of the first PDU session, and the forwarding quality of service QoS rule of the first PDU session, and the first PDU session is the at least two PDU sessions.
  • a UE establishes a PDU session with the data network DN through the first user plane network unit.
  • the method further includes: the session management network unit selecting the first user plane network unit as the first PSA UPF, selecting the second user plane network unit as the second PSA UPF, and the first PSA UPF is the PSA UPF of the first PDU session, the second user plane network unit is a core network user plane network unit, and the second PSA UPF is the PSA UPF of the second PDU session.
  • the session management network unit can select the UPF unit in the eRG as the PSA UPF by default during the UPF selection process to establish the PDU session, or prioritize Select the UPF unit in the eRG closer to the UE as the PSA UPF to establish the PDU session.
  • the session management network unit can additionally select another UPF in the operator's core network as the PSA UPF to establish a PDU session, thereby establishing two PDU sessions.
  • the session management network unit when the session management network unit establishes a PDU session, for at least two PDU sessions initiated by the first UE passing through the gateway, the session management network unit directly uses the first user plane network unit in the gateway as a PSA UPF to establish at least A PDU session (first PDU session) between the two first UEs and the DN.
  • the session management network unit also selects a core network UPF as the PSA for the at least two first UEs
  • the UPF establishes at least two PDU sessions (second PDU sessions) between the first UE and the DN, so that two PDU sessions are established between the first UE and the DN, and when the first user plane network unit is disconnected from the core network , the service forwarding between the first UEs may be implemented through the first user plane network unit.
  • the method further includes: the session management network unit sending third information and fourth information to the first user plane network unit, where the third information includes the IP address of the first PDU session and /or the IP address network prefix of the first PDU session, the fourth information includes first indication information and/or second indication information, and the first indication information is used to indicate the first user plane network unit Use the third information for all PDU sessions of the first PSA UPF until new third information from the session management network element is received, and the second indication information is used to indicate that the first user plane
  • the network element uses one or more of the forwarding quality of service QoS rules of the first PDU session for the PDU session of the first PSA UPF until a new first PDU session from the session management network element is received Forward one or more of the Quality of Service QoS rules.
  • the session management network unit when establishing the first PDU session, needs to configure and send the IP address and/or IP address network prefix of the first PDU session, and forward the service quality rule to the first user plane network unit, so that the second A user plane network unit can forward the local area network service according to the forwarding quality of service rule when receiving the service of the first UE.
  • the fourth information needs to be additionally configured.
  • the fourth information It is used to indicate the IP addresses and IP addresses of all PDU sessions anchored by the first user plane network unit before the first user plane network unit receives the new IP address and/or IP address network prefix assigned by the session management network unit. /or the network prefix of the IP address is unchanged and reserved forever, and before the first user plane network unit receives a new forwarding quality of service rule, all forwarding quality of service rules anchored by the first user plane network unit remain unchanged And keep it forever.
  • the first user plane network unit receives first information, and determines, according to the first information, that the first user plane network unit is a first protocol data unit session anchor.
  • the first user plane network unit executes the function of the PSA UPF according to the first information.
  • the first user plane network element receives the third information and the fourth information from the session management network element, and according to the third information and the fourth information, if the new IP address and/or the new IP address configured by the session management network element is not received Before the IP address network prefix and the forwarding quality of service rule, the first user plane network element has been using the configured IP address and/or IP address network prefix of the first PDU session and the forwarding quality of service rule to locally forward the LAN service.
  • the present application proposes a method for establishing a mobile communication local area network, the session management network unit sends first information to the first user plane network unit, and the first information is used to indicate the establishment of a local area network between at least two first UEs , the first UE is a UE served by the first user plane network unit; the first user plane network unit receives the first information, and determines the first user plane network unit as the first protocol data unit session anchor according to the first information.
  • the session management network unit when the first UE requests to establish a PDU session, the session management network unit establishes two PDU sessions with the first user plane network unit as the PSA UPF and the core network UPF as the PSA UPF, so that when the first user plane network unit When disconnected from the core network, the first user plane network unit, as the PSA UPF, can continue to locally forward the LAN service, so that the LAN service of the first UE is guaranteed to be normal when disconnected from the core network.
  • the network device includes hardware structures and/or software modules corresponding to each function.
  • the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a certain function is executed by hardware or computer software drives hardware depends on the specific application and design constraints of the technical solution. Skilled artisans may use different methods to implement the described functions for each specific application, but such implementation should not be regarded as exceeding the scope of the present application.
  • FIG. 5 is a block diagram of functional units of a mobile communication local area network establishment device 500 provided in an embodiment of the present application.
  • the device 500 can be a gateway, and the device 500 can also be a first user plane network unit. It may also be a session management network unit, and the apparatus 500 includes: a transceiver unit 510 and a processing unit 520 .
  • the device 500 is configured to execute various processes and steps corresponding to the gateway in the above method for establishing a mobile communication local area network.
  • the transceiver unit 510 is configured to, when the first user plane network unit or the gateway is disconnected from the core network, the gateway sends first information, and the first information is used to indicate the establishment of at least two first user A local area network between terminal UEs, where the first UE is a UE served by the first user plane network unit or the gateway.
  • the first information includes one or more of the virtual network group information, the ID of the first PDU session, and the forwarding quality of service QoS rule of the first PDU session, and the first PDU session is the first PDU session for the at least two A first UE establishes a PDU session with the data network DN through the first user plane network unit;
  • the transceiving unit 510 is specifically configured to: send the first information to the first user plane network unit.
  • the transceiving unit 510 is further configured to: when the first user plane network unit connects to the core network, receive second information from the session management network unit, where the second information includes the first information and third information, where the third information includes the IP address of the first PDU session and/or the network prefix of the IP address of the first PDU session; sending the third information to the first user plane network unit.
  • the first UE uses a non-3GPP access technology to connect to the gateway.
  • the first information includes virtual network group information
  • the transceiving unit 510 is specifically configured to: send the first information to a non-3GPP communication module.
  • the transceiving unit 510 is further configured to: send an authentication request to the AMF when the first user plane network unit is connected to the core network, so as to perform user authentication;
  • the virtual network group information from the unified data management UDR is received.
  • the virtual network group information includes a plurality of virtual network group identifiers and a list of general public user identifiers GPSI corresponding to each virtual network group;
  • the processing unit 520 used to verify the GPSI of the second UE when the second UE is located in the service range of the gateway and requests to join the local area network; the GPSI of the second UE belongs to the GPSI When listed, the second UE is allowed to join the local area network.
  • the apparatus 500 is configured to execute various processes and steps corresponding to the first user plane network unit in the above method for establishing a mobile communication local area network.
  • the transceiving unit 510 is configured to receive first information, where the first information is used to indicate the establishment of a local area network between at least two first UEs, where the first UEs are served by the first user plane network unit UE;
  • the processing unit 520 is configured to determine, according to the first information, that the first user plane network unit is the first PDU session anchor.
  • the first information includes one or more of the virtual network group information, the ID of the first PDU session, and the forwarding quality of service QoS rule of the first PDU session, and the first PDU session is the first PDU session for the at least two A first UE establishes a PDU session with the data network DN through the first user plane network unit;
  • the transceiving unit 510 is specifically configured to: receive the first information from the gateway or the session management network unit.
  • the transceiving unit 510 is further configured to: receive third information from the gateway or the session management network unit, where the third information includes the IP address of the first PDU session and/or the IP address network prefix for the first PDU session.
  • the transceiving unit 510 is further configured to: receive fourth information from the session management network unit, where the fourth information includes first indication information and/or second indication information, and the first indication information It is used to indicate that all PDU sessions with the first user plane network element as the first PSA UPF use the third information until new third information is received from the session management network element, and the second The indication information is used to indicate that all PDU sessions using the first user plane network element as the first PSA UPF use one or more of the forwarding quality of service QoS rules of the first PDU session until receiving the One or more of the forwarding quality of service QoS rules of the new first PDU session of the session management network element.
  • the apparatus 500 is configured to execute various processes and steps corresponding to the session management network unit in the above method for establishing a mobile communication local area network.
  • the transceiving unit 510 is configured to send first information to a first user plane network unit, where the first information is used to indicate the establishment of a local area network between at least two first UEs, the first UEs being controlled by the first UE A UE served by a user plane network element.
  • the first information includes one or more of the virtual network group information, the ID of the first PDU session, and the forwarding quality of service QoS rule of the first PDU session, and the first PDU session is the first PDU session for the at least two A first UE establishes a PDU session with the data network DN through the first user plane network unit.
  • the processing unit 520 is configured to select the first user plane network unit as the first PSA UPF, select the second user plane network unit as the second PSA UPF, and the first PSA UPF is the first PSA UPF.
  • a PSA UPF of a PDU session the second user plane network unit is a core network user plane network unit, and the second PSA UPF is a PSA UPF of the second PDU session.
  • the transceiving unit 510 is further configured to send third information and fourth information to the first user plane network unit, where the third information includes the IP address of the first PDU session and/or the IP address network prefix of the first PDU session, the fourth information includes first indication information and/or second indication information, and the first indication information is used to indicate that the first user plane network unit is used as the All PDU sessions of the first PSA UPF use the third information until receiving new third information from the session management network unit, and the second indication information is used to indicate that the first user plane network unit is used as the The PDU sessions of the first PSA UPF all use one or more of the forwarding quality of service QoS rules of the first PDU session until receiving a new forwarding quality of service of the first PDU session from the session management network element One or more of the QoS rules.
  • the transceiving unit 510 is further configured to send second information to the gateway, where the second information includes the first information and the third information.
  • the apparatus 500 here is embodied in the form of functional units.
  • the term "unit” here may refer to an application specific integrated circuit (ASIC), an electronic circuit, a processor for executing one or more software or firmware programs (such as a shared processor, a dedicated processor, or a group processor, etc.) and memory, incorporated logic, and/or other suitable components to support the described functionality.
  • ASIC application specific integrated circuit
  • the apparatus 500 may specifically be the terminal device in the above embodiment, and the apparatus 500 may be used to execute various processes and/or steps corresponding to the terminal device in the above method embodiment, To avoid repetition, details are not repeated here.
  • the apparatus 500 in each of the above solutions has the function of implementing the corresponding steps performed by the terminal device in the above method; the function may be implemented by hardware, or may be implemented by executing corresponding software on the hardware.
  • the hardware or software includes one or more modules corresponding to the above-mentioned functions; for example, the transceiver unit 510 can be replaced by a transmitter and a receiver, and the processing unit 520 can be replaced by a processor to respectively perform the transceiver operations in each method embodiment and related processing operations.
  • the device 500 may also be a chip or a chip system, for example, a system on chip (system on chip, SoC).
  • the detection unit may be a detection circuit of the chip, which is not limited here.
  • FIG. 6 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • the terminal device includes: one or more processors, one or more memories, one or more communication interfaces, and a or more programs; said one or more programs are stored in said memory and configured to be executed by said one or more processors.
  • the electronic device is a gateway
  • the above program includes instructions for performing the following steps:
  • the first information is used to indicate the establishment of a local area network between at least two first user terminal UEs, the first The UE is a UE served by the first user plane network unit or the gateway.
  • the electronic device is a first user plane network unit
  • the above program includes instructions for performing the following steps:
  • first information is used to indicate establishment of a local area network between at least two first UEs, where the first UEs are UEs served by the first user plane network unit;
  • the first information determine that the first user plane network unit is a first protocol data unit session anchor.
  • the electronic device is a session management network unit
  • the above program includes instructions for performing the following steps:
  • memory may include read-only memory and random-access memory, and provide instructions and data to the processor.
  • a portion of the memory may also include non-volatile random access memory.
  • the memory may also store device type information.
  • the processor of the above-mentioned device may be a central processing unit (Central Processing Unit, CPU), and the processor may also be other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC) ), field programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
  • CPU Central Processing Unit
  • DSP digital signal processors
  • ASIC application-specific integrated circuits
  • FPGA field programmable gate array
  • a general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like.
  • At least one refers to one or more, and “multiple” refers to two or more.
  • “And/or” describes the association relationship of associated objects, indicating that there can be three types of relationships, for example, A and/or B, which can mean: A exists alone, A and B exist at the same time, and B exists alone, where A, B can be singular or plural.
  • the character “/” generally indicates that the contextual objects are an “or” relationship.
  • “At least one of the following” or similar expressions refer to any combination of these items, including any combination of single or plural items.
  • At least one item (piece) of a, b, or c can represent: a, b, c, a-b, a-c, b-c, or a-b-c, where a, b, c can be single or multiple .
  • first and second are used to distinguish multiple objects, and are not used to limit the order, timing, priority or priority of multiple objects. Importance.
  • first information and the second information are only for distinguishing different information, and do not indicate the difference in content, priority, sending order, or degree of importance of the two kinds of information.
  • each step of the above method can be completed by an integrated logic circuit of hardware in a processor or an instruction in the form of software.
  • the steps of the methods disclosed in connection with the embodiments of the present application may be directly implemented by a hardware processor, or implemented by a combination of hardware and software units in the processor.
  • the software unit may be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, register.
  • the storage medium is located in the memory, and the processor executes the instructions in the memory, and completes the steps of the above method in combination with its hardware. To avoid repetition, no detailed description is given here.
  • An embodiment of the present application provides a chip, the chip is used to send first information when the first user plane network unit or the gateway is disconnected from the core network, and the first information is used to indicate the establishment of at least two A local area network between first user terminal UEs, where the first UE is a UE served by the first user plane network unit or the gateway.
  • An embodiment of the present application provides a chip module, including a transceiver component and a chip, wherein the chip is used to send First information, where the first information is used to indicate establishment of a local area network between at least two first user terminal UEs, where the first UEs are UEs served by the first user plane network unit or the gateway.
  • An embodiment of the present application provides a chip, the chip is configured to receive first information, and the first information is used to indicate the establishment of a local area network between at least two first UEs, the first UE being the A UE served by a user plane network unit; the chip is further configured to determine, according to the first information, that the first user plane network unit is a first protocol data unit session anchor.
  • An embodiment of the present application provides a chip module, including a transceiver component and a chip, wherein the chip is configured to receive first information through the transceiver component, and the first information is used to indicate the establishment of at least two first UEs In the local area network between, the first UE is a UE served by the first user plane network unit; the chip is configured to determine, according to the first information, that the first user plane network unit is a first protocol Data unit session anchor.
  • An embodiment of the present application provides a chip, where the chip is configured to send first information to a first user plane network unit, where the first information is used to indicate establishment of a local area network between at least two first UEs, and the first The UE is a UE served by the first user plane network element.
  • An embodiment of the present application provides a chip module, including a transceiver component and a chip, wherein the chip is configured to send first information to a first user plane network unit through the transceiver component, and the first information is used to indicate Establishing a local area network between at least two first UEs, where the first UEs are UEs served by the first user plane network unit.
  • An embodiment of the present application also provides a computer storage medium, wherein the computer storage medium stores a computer program for electronic data exchange, and the computer program enables the computer to execute any part or part of any method described in the above method embodiments. All steps.
  • An embodiment of the present application also provides a computer program product, the computer program product includes a non-transitory computer-readable storage medium storing a computer program, and the computer program is operable to enable the computer to execute any one of the methods described in the above method embodiments. Some or all steps of the method.
  • the computer program product may be a software installation package.
  • the disclosed device can be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the above units is only a logical function division.
  • there may be other division methods for example, multiple units or components can be combined or integrated. to another system, or some features may be ignored, or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical or other forms.
  • the units described above as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present application.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
  • the above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.
  • the integrated units are realized in the form of software function units and sold or used as independent products, they can be stored in a computer-readable memory.
  • the technical solution of the present application is essentially or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of software products, and the computer software products are stored in a memory Among them, several instructions are included to make a computer device (which may be a personal computer, a server, or a TRP, etc.) execute all or part of the steps of the methods in the various embodiments of the present application.
  • the aforementioned memory includes: various media that can store program codes such as U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk.

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Abstract

本申请实施例公开了移动通信局域网建立方法及装置，该方法包括：网关在第一用户面网络单元或网关与核心网断开连接时，发送第一信息，该第一信息用于指示建立至少两个第一用户终端UE之间的局域网，该第一UE为被第一用户面网络单元或网关服务的UE。在本申请中，网关在与核心网断开连接后通过发送第一信息来构建第一UE之间的局域网，从而使得在与核心网断开连接时保证第一UE的局域网服务正常。

Description

移动通信局域网建立方法及装置 技术领域
本申请涉及通信技术领域，尤其涉及一种移动通信局域网建立方法及装置。
背景技术
5G局域网是3GPP相关阶段最具市场前景的技术之一，可为合作伙伴提供定制化5G行业局域网，使得企业终端与企业云共处于同一个“局域网”中。主要面向企业云接入、智能制造等领域，实现终端的灵活组管理、直接通信及随时随地接入企业云。在5G LAN技术中，在5G网络中引入了虚拟网络组(VN group)的概念，处于同一个“局域网”中的用户属于一个组。一个5G局域网(Local Area Network，LAN)VN group内的所有用户由一个或者多个用户平面功能(User Plane Function，UPF)来服务，由一个会话管理功能(Session Management Function，SMF)或者一组会话管理网络单元来服务。用户通过用户面网络单元可将数据本地局域网的数据在不经过数据网络(Data Network，DN)的情况下中转到目标UE。会话管理网络单元可以配置用户面网络单元实现不同的业务转发，如同一协议数据单元(Protocol Data Unit，PDU)会话锚点(PDU Session Anchor，PSA)用户面网络单元下的局域网业务直接通过所述PSA用户面网络单元本地转发，跨PSA的局域网业务通过N19隧道转发，发往数据网络(DN)的业务则通过N6口向外转发。目前5G LAN的VN group都是由核心网进行管理和配置，一旦与核心网断开连接，则5G LAN失效。
发明内容
本申请实施例提供了一种移动通信局域网建立方法及装置，能够在与核心网断开连接时保证局域网服务正常。
第一方面，本申请实施例提供一种移动通信局域网建立方法，应用于网关，所述方法包括：
在第一用户面网络单元或所述网关与核心网断开连接时，所述网关发送第一信息，所述第一信息用于指示建立至少两个第一用户终端UE之间的局域网，所述第一UE为被所述第一用户面网络单元或所述网关服务的UE。
第二方面，本申请实施例提供一种移动通信局域网建立方法，应用于第一用户面网络单元，所述方法包括：
所述第一用户面网络单元接收第一信息，所述第一信息用于指示建立至少两个第一UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE；
根据所述第一信息，确定所述第一用户面网络单元为第一协议数据单元会话锚点。
第三方面，本申请实施例提供一种移动通信局域网建立方法，应用于会话管理网络单元，所述方法包括
所述会话管理网络单元向第一用户面网络单元发送第一信息，所述第一信息用于指示建立至少两个第一UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE。
第四方面，本申请实施例提供的一种移动通信局域网建立装置，应用于网关，所述装置包括：
收发单元，用于在第一用户面网络单元或所述网关与核心网断开连接时，发送第一信息，所述第一信息用于指示建立至少两个第一用户终端UE之间的局域网，所述第一UE为被所述第一用户面网络单元或所述网关服务的UE。
第五方面，本申请实施例提供的一种移动通信局域网建立装置，应用于第一用户面网络单元，所述装置包括：
收发单元，用于接收第一信息，所述第一信息用于指示建立至少两个第一UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE；
处理单元，用于根据所述第一信息，确定所述第一用户面网络单元为第一协议数据单元会话锚点。
第六方面，本申请实施例提供的一种移动通信局域网建立装置，应用于会话管理网络单元，所述装置包括：
收发单元，用于向第一用户面网络单元发送第一信息，所述第一信息用于指示建立至少两个第一UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE。
第七方面，本申请实施例提供一种芯片，所述芯片用于在第一用户面网络单元或所述网关与核心网断开连接时，发送第一信息，所述第一信息用于指示建立至少两个第一用户终端UE之间的局域网，所述第一UE为被所述第一用户面网络单元或所述网关服务的UE。
第八方面，本申请实施例提供一种芯片模组，包括收发组件和芯片，其中，所述芯片，用于通过所述收发组件在第一用户面网络单元或所述网关与核心网断开连接时，发送第一信息，所述第一信息用于指示建立至少两个第一用户终端UE之间的局域网，所述第一UE为被所述第一用户面网络单元或所述网关服务的UE。
第九方面，本申请实施例提供一种芯片，所述芯片用于接收第一信息，所述第一信息用于指示建立至少两个第一UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE；
所述芯片，还用于根据所述第一信息，确定所述第一用户面网络单元为第一协议数据单元会话锚点。
第十方面，本申请实施例提供一种芯片模组，包括收发组件和芯片，其中，所述芯片，用于通过所述收发组件接收第一信息，所述第一信息用于指示建立至少两个第一UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE；
所述芯片，用于根据所述第一信息，确定所述第一用户面网络单元为第一协议数据单元会话锚点。
第十一方面，本申请实施例提供一种芯片，所述芯片用于向第一用户面网络单元发送第一信息，所述第一信息用于指示建立至少两个第一UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE。
第十二方面，本申请实施例提供一种芯片模组，包括收发组件和芯片，其中，所述芯片，用于通过所述收发组件向第一用户面网络单元发送第一信息，所述第一信息用于指示建立至少两个第一UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的 UE。
第十三方面，本申请实施例提供一种电子设备，所述电子设备包括处理器、存储器、通信接口，以及一个或多个程序，所述一个或多个程序被存储在所述存储器中，并且被配置由所述处理器执行，所述程序包括用于执行上述第一方面、第二方面、第三方面中的任一方面所述的方法中所描述的部分或全部步骤的指令。
第十四方面，本申请实施例提供一种计算机可读存储介质，所述计算机可读存储介质存储用于电子数据交换的计算机程序，其中，所述计算机程序使得计算机执行上述第一方面、第二方面、第三方面中的任一方面所述的方法中所描述的部分或全部步骤。
第十五方面，本申请实施例提供了一种计算机程序产品，其中，上述计算机程序产品包括存储了计算机程序的非瞬时性计算机可读存储介质，上述计算机程序可操作来使计算机执行如本申请实施例第一方面、第二方面、第三方面中的任一方面所述的方法中所描述的部分或全部步骤。所述计算机程序产品可以为一个软件安装包。
本申请提供的技术方案，网关在第一用户面网络单元或所述网关与核心网断开连接时，发送第一信息，该第一信息用于指示建立至少两个第一用户终端UE之间的局域网，该第一UE为被第一用户面网络单元服务的UE。在本申请中，网关在与核心网断开连接后通过发送第一信息来构建第一UE之间的局域网，从而使得在与核心网断开连接时保证第一UE的局域网服务正常。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1a是本申请实施例提供的一种基于本地转换和N19隧道转换的局域网网络示意图；
图1b是本申请实施例提供的一种与核心网断开连接的示意图；
图2是本申请实施例提供的一种移动通信局域网建立方法的流程示意图；
图2a是本申请实施例提供的一种局域网网络示意图；
图3是本申请实施例提供的另一种移动通信局域网建立方法的流程示意图；
图3a是本申请实施例提供的另一种局域网网络示意图；
图4是本申请实施例提供的另一种移动通信局域网建立方法的流程示意图；
图4a是本申请实施例提供的另一种局域网网络示意图；
图5是本申请实施例提供的另一种移动通信局域网建立装置的功能单元组成框图；
图6是本申请实施例提供的一种电子设备的结构示意图。
具体实施方式
下面结合本申请实施例中的附图对本申请实施例进行描述。
本申请实施例的技术方案可以应用于全球移动通信系统(Global System for Mobile Communication，CSM)、码分多址(Code Division Multiple Access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple access，WCDMA)系统、全球微波互联接入 (Worldwide Interoperability for Microwave Access，Wi-MAX)系统、长期演进(Long Term Evolution，LTE)系统、5G通信系统(例如新空口(New Radio，NR))、多种通信技术融合的通信系统(例如LTE技术和NR技术融合的通信系统)、或者适用于未来新的各种通信系统，例如6G通信系统、7G通信系统等，本申请实施例对此不作限定。本申请实施例的技术方案也适用于不同的网络架构，包括但不限于中继网络架构、双链接架构、车辆到任何物体的通信(Vehicle-to-Everything)架构等。
本申请实施例提供的用户设备可以为手机、平板电脑、笔记本电脑、超级移动个人计算机(Ultra-Mobile Personal Computer，UMPC)、上网本或者个人数字助理(Personal Digital Assistant，PDA)、移动上网装置(Mobile Internet Device，MID)、可穿戴式设备(Wearable Device)或车载设备等。
用户终端(User Equipment，UE)通过接入网连接到5G核心网，通过5G核心网的接入移动性管理(AMF)节点连接到5G核心网的其他节点，例如会话管理功能(SMF)节点等。通过用户面功能(User Plane Function，UPF)节点建立协议数据单元(Protocol Data Unit，PDU)会话，实现与数据网络(Digital Network，DN)传输数据。一个PDU会话可以通过一个或者多个UPF节点通过不同的N6接口连接到数据网络，与N6接口对应的UPF节点起到PDU会话锚点(PDU Session Anchor，PSA)的作用。
根据目前3GPP在室内增强方面的研究进展，室内用户可以通过PRAS和eRG接入运营商网络，室内的设备可以基于5G建立局域网通信(即不用经过第三方的数据网络实现终端到终端的通信)，目前的5G LAN是基于运营商的核心网建立的，且汇聚和路由的节点在核心网的UPF上，如图1a所示，SMF可以配置UPF实现不同的业务转发，如同一PSA UPF下UE1和UE2的局域网业务直接通过该PSA UPF本地转发，跨PSA的UE3和UE4的局域网业务通过N19隧道转发，发往数据网络(DN)的业务则通过N6口向外转发。但是当家庭或企业网关与核心网断开连接时，如图1b所示，基于5G LAN的局域网设备虽然同处于同一个网关内，同一虚拟网络组内的UE之间也无法提供局域网服务，给用户带来损失和不便。
在本申请实施例中，在用户面网络单元与核心网断开连接，即网关在与核心网断开连接时，网关通过发送第一信息可以构建经过该网关且属于同一虚拟网络组内的UE之间的局域网，从而使得在与核心网断开连接时保证UE之间的局域网服务正常。
为了使本技术领域的人员更好地理解本申请方案，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
在具体实施中，本申请实施例所述的5G网络是指：核心网为5G核心网的网络。本申请实施例所述的接入网(Access Network，AN)可以是以下接入网中的至少一种：基于长期演进(Long Term Evolution，LTE)技术的接入网，也可以是基于5G空口技术的接入网，还可以是连接到5G核心网的非3GPP接入网。用户终端信令通过接入网连接到5G核心网，通过5G核心网的AMF节点连接到5G核心网的其他节点，例如SMF节点，数据通过接入网连接到5G核心网的UPF，再通过UPF连接带数据网络(DN)。
其中，本申请实施例中的网关可以是5G家庭网关5G-RG、演进家庭网关eRG、5G企业网关等，其可实现同一虚拟网络组内的UE之间的数据通信以及实现与外部网络(Internet)的连接，提供桥接/路由、协议转换、地址管理和转换、QoS管理等功能。当然其他可实现相同功能的网关也同样适用于本申请。
示例性地，本申请实施例中的用户面网络单元可以是5G系统中的UPF，其负责用户数据报文的路由转发、业务识别与策略执行等功能；也可以是具备UPF功能的其他网元，例如4G系统中的核心网(Evolved Packet Core，EPC)控制与用户面分离(Control and User Plane Separation，CUPS)，当然其他标准中规定的可实现相同功能的网元也同样适用于本申请，即本申请并不限制用户面网络单元的具体实现。
示例性地，本申请实施例中的会话管理网络单元可以是5G系统中的SMF，其负责5G用户的会话的生命管理周期、互联网协议(Internet Protocol，IP)地址分配、数据路由选择、业务连续性管理、策略规则匹配以及流量计费处理等功能；也可以是具备SMF功能的其他网元，例如4G系统中的移动性管理实体(Mobility Management Entity，MME)、服务网关(Serving Gateway，SGW)、分组数据网络网关(Packet Data Network Gateway，PGW)会话管理等控制面的功能。当然其他标准中规定的可实现相同功能的网元也同样适用于本申请，即本申请并不限制会话管理网络单元的具体实现。
请参阅图2，图2为本申请实施例提供的一种移动通信局域网建立方法流程示意图。如图2所示，所述方法包括如下步骤。
S210、在网关与核心网断开连接时，网关发送第一信息，所述第一信息用于指示建立至少两个第一用户终端UE之间的局域网，所述第一UE为被所述网关服务的UE。
其中，所述至少两个第一UE属于同一虚拟网络组中的UE，该至少两个第一UE均连接网关，通过网关连接第一用户面网络单元，从而与核心网进行连接。当网关与核心网断开连接时，网关充当SMF的角色，通过发送第一信息建立该至少两个第一用户终端UE之间的局域网。如图2a所示，UE1、UE2、UE3、UE4、UE5和UE6均属于同一虚拟网络组，UE3、UE4、UE5和UE6通过网关eRG连接核心网，当网关与核心网断开连接时，网关通过发送第一信息建立UE3、UE4、UE5和UE6之间的局域网。
需要说明的是，本申请实施例中的网关可以连接核心网中的UPF，该UPF充当第一UE与DN之间的PDU会话中的I-UPF或PSA UPF。
在本申请中，该网关具有有线网局域网或无线局域网的配置功能，且第一UE也支持对应的局域网配置。也就是说，当至少两个第一UE采用有线网络接入该网关时，则该网关进行有线局域网的配置，以构建该至少两个第一UE之间的与原5G局域网具有相同权限的局域网，该局域网的成员为原5G局域网对应的虚拟网络组成员中通过同一eRG接入的UE；当至少两个第一UE采用无线网络接入该网关时，则该网关进行无线局域网的配置，以构建该至少两个第一UE之间的与原5G局域网具有相同权限的局域网，该局域网的成员为原5G局域网对应的虚拟网络组成员中通过同一eRG接入的UE。
可选的，所述第一UE采用非3GPP接入技术连接所述网关。
具体地，当第一UE采用非3GPP技术接入网关，例如，用户从室外到室内，使得第一UE从室外宏基站切换到室内由eRG和PRAS组成的用户前端网络(Customer Premises  Network，CPN)下，此第一UE同时支持3GPP接入技术和非3GPP接入技术，但此时第一UE与核心网断开连接，使得第一UE通过3GPP接入形成的5G局域网不能正常工作，第一UE采用非3GPP接入技术接入网关，此时网关进行无线局域网的配置以构建该至少两个第一UE之间的与原5G局域网具有相同权限的局域网，该域网的成员为原5G局域网对应的虚拟网络组成员中通过同一eRG接入的UE。
其中，所述第一信息包括虚拟网络组信息。每个虚拟网络组包括如下参数：PDU会话类型，数据网络名称(Date Network Name，DNN)，单个网络切片选择辅助信息(Single Network Slice Selection Assistance Information，S-NSSAI)，通用公共用户标识(Generic Public Subscription Identifier，GPSI)列表等。
可选的，所述方法还包括：在所述网关连接所述核心网时，所述网关向AMF发送鉴权请求，以进行用户鉴权认证；所述网关接收来自统一数据管理UDR的所述虚拟网络组信息。
其中，所述统一数据管理(Unified Data Management，UDM)负责5G用户签约数据的管理、用户鉴权数据管理、用户的标识管理等功能。为了能够在网关与核心网断开连接时能够建立第一UE之间的5G局域网，因此在网关连接核心网时，网关可以向核心网的接入和移动管理功能(Access and Mobility Management Function，AFM)发送鉴权请求，AMF基于用户鉴权认证，对网关进行鉴权，在鉴权成功后，基于用户签约，UDR可以将存储的虚拟网络组信息发送给网关，以使网关能够基于虚拟网络组信息建立局域网。
可选的，所述网关发送第一信息包括：网关向非3GPP通信模块发送所述第一信息。
具体地，该至少两个第一UE是采用非3GPP接入技术连接网关的，因此当网关与核心网断开连接时，网关向其非3GPP通信模块发送虚拟网络组信息，从而使得非3GPP通信模块继续使用之前的虚拟网络组信息建立该至少两个第一UE之间的局域网，进而实现第一UE之间的连接。具体为网关根据虚拟网络组信息建立了局域网后，可以向该至少两个第一UE广播该局域网名称，以及网关分配给第一UE的IP地址和/或IP地址网络前缀。第一UE接收到该广播消息后，可以基于分配的IP地址和/或IP地址网络前缀接入局域网名称对应的局域网。
在本申请实施例中，所述虚拟网络组信息包括多个虚拟网络组标识和每个虚拟网络组对应的GPSI列表。GPSI列表中包括至少一个GPSI以及用户永久标识(Subscription Permanent Identifier，SUPI)与GPSI的映射关系，其中每个GPSI可关联一个SUIP。
可选的，所述方法还包括：当第二UE位于所述网关的服务范围，且请求加入所述局域网时，所述网关校验所述第二UE的GPSI；在所述第二UE的GPSI属于所述GPSI列表时，所述网关允许所述第二UE加入所述局域网。
具体实现中，当第二UE(新的UE)出现在网关的服务范围内，且向网关请求加入该局域网时，网关需要对该第二UE的GPSI进行校验，若第二UE的GPSI在UDR下发的虚拟网络组信息中的GPSI列表中，则说明该第二UE经过核心网的鉴权认证且与第一UE是属于同一虚拟网络组的，因此网关可以允许该第二UE加入该局域网。
可以看出，本申请提出了一种移动通信局域网建立方法，网关在第一用户面网络单元与核心网断开连接时，发送第一信息，该第一信息用于指示建立至少两个第一用户终端UE 之间的局域网，该第一UE为被第一用户面网络单元服务的UE。在本申请中，网关在与核心网断开连接后通过发送第一信息来构建第一UE之间的局域网，从而使得在与核心网断开连接时保证第一UE的局域网服务正常。
请参阅图3，图3为本申请实施例提供的一种移动通信局域网建立方法流程示意图。如图3所示，所述方法包括如下步骤。
S310、在第一用户面网络单元与核心网断开连接时，网关发送第一信息，所述第一信息用于指示建立至少两个第一用户终端UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE。
本申请实施例中，在网关中引入了一个UPF，即第一用户面网络单元。需要说明的是，该网关与第一用户面网络单元可以是同一个实体，即在网关中增加一些软件代码，其可实现UPF的功能；或者网关和第一用户面网络单元是两个实体，该网关连接该第一用户面网络单元，通过第一用户面网络单元连接核心网中的UPF。当第一用户面网络单元与核心网正常连接时，该第一用户面网络单元充当第一UE与DN之间的PDU会话中的I-UPF；当第一用户面网络单元与核心网断开连接时，该第一用户面网络单元充当PSA UPF，实现该第一用户面网络单元下的局域网业务的本地转发。
其中，所述至少两个第一UE属于同一虚拟网络组中的UE，该至少两个第一UE均连接网关和第一用户面网络单元，第一用户面网络单元与核心网进行连接。当第一用户面网络单元与核心网断开连接时，网关充当SMF的角色，通过发送第一信息建立该至少两个第一用户终端UE之间的局域网。如图3a所示，UE1、UE2、UE3、UE4、UE5和UE6均属于同一虚拟网络组，UE3、UE4、UE5和UE6均连接网关eRG和网关中的UPF，网关中的UPF作为UE3、UE4、UE5和UE6局域网的I-UPF，该I-UPF通过N9隧道连接核心网PSA UPF，该PSA UPF通过N19隧道连接该虚拟网络组的PSA UPF，通过该虚拟网络组的PSA UPF与DN连接；UE1和UE2则分别通过核心网中的I-UPF连接该虚拟网络组的PSA UPF，当网关中的I-UPF与核心网断开连接时，通过将网关中的I-UPF作为PSA UPF，可以建立UE3、UE4、UE5和UE6之间的局域网。
其中，所述第一信息包括虚拟网络组信息、第一PDU会话的ID、第一PDU会话的转发服务质量QoS规则中的一个或多个，所述第一PDU会话为所述至少两个第一UE通过所述第一用户面网络单元建立与数据网络DN之间的PDU会话。
可选的，所述网关发送第一信息包括：所述网关向所述第一用户面网络单元发送所述第一信息。
具体地，当第一用户面网络单元无法连接PSA UPF和SMF时，会触发PDU会话的UPF重选过程。具体为网关充当SMF角色，发起UPF重选过程，并将第一用户面网络单元选择为PSA UPF，进而向第一用户面网络单元发送第一信息，使得第一用户面网络单元接收到第一信息后对经过该第一用户面网络单元的局域网业务进行本地转发，对于非局域网业务及性能丢弃，从而建立该至少两个第一UE之间的局域网。
可选的，所述方法还包括：在所述第一用户面网络单元连接所述核心网时，所述网关接收来自会话管理网络单元的第二信息，所述第二信息包括所述第一信息和第三信息，所述第三信息包括所述第一PDU会话的IP地址和/或所述第一PDU会话的IP地址网络前缀； 所述网关将所述第三信息发送给所述第一用户面网络单元。
其中，当至少两个第一UE通过第一用户面网络单元建立与DN之间的PDU会话(第一PDU会话)后，对于属于同一虚拟网络组的UE，SMF确定该虚拟网络组的UE需要建立经过同一I-UPF(第一用户面网络单元)的PDU会话ID，并为第一用户面网络单元配置第一信息和第三信息。具体为，在第一用户面网络单元连接核心网，并建立了第一PDU会话后，SMF将配置的第一信息和第三信息发送给网关，以使得在第一用户面网络单元无法连接PSA UPF和SMF时，该网关能够触发PDU会话的UPF重选过程，建立第一UE之间的局域网。
进一步地，在网关将第一用户面网络单元选择为PSA UPF后，网关可以将SMF配置的第一PDU会话的IP地址和/或第一PDU会话的IP地址网络前缀发送给第一用户面网络单元，使得第一用户面网络单元保持已分配给每个PDU会话的IP地址和/或IP地址网络前缀不变，并使用SMF配置的转发服务质量规则，对局域网业务进行本地转发。
S320、所述第一用户面网络单元接收第一信息，并根据所述第一信息，确定所述第一用户面网络单元为第一协议数据单元会话锚点。
具体实现中，当第一用户面网络单元接收到第一信息后，第一用户面网络单元根据第一信息执行PSA UPF的功能。相应的，第一用户面网络单元接收来自网关的第三信息，所述第三信息包括所述第一PDU会话的IP地址和/或所述第一PDU会话的IP地址网络前缀。根据第一信息和第三信息，第一用户面网络单元保持已分配给每个PDU会话的IP地址和/或IP地址网络前缀不变，并使用SMF配置的转发服务质量规则，对局域网业务进行本地转发。
可以看出，本申请提出了一种移动通信局域网建立方法，在第一用户面网络单元与核心网断开连接时，网关发送第一信息，该第一信息用于指示建立至少两个第一用户终端UE之间的局域网，该第一UE为被所述第一用户面网络单元服务的UE；第一用户面网络单元接收该第一信息，并根据该第一信息确定该第一用户面网络单元为第一协议数据单元会话锚点。本申请在网关中引入了第一用户面网络单元，使得当第一用户面网络单元与核心网断开连接时，该网关能够触发PDU会话的UPF重选过程，通过发送第一信息将第一用户面网络单元作为PSA UPF，通过第一用户面网络单实现对局域网业务进行本地转发，从而使得在与核心网断开连接时保证第一UE的局域网服务正常。
请参阅图4，图4为本申请实施例提供的一种移动通信局域网建立方法流程示意图。如图4所示，所述方法包括如下步骤。
S410、会话管理网络单元向第一用户面网络单元发送第一信息，所述第一信息用于指示建立至少两个第一UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE。
在本申请实施例中，在网关中引入了一个UPF，即第一用户面网络单元。需要说明的是，该网关与第一用户面网络单元可以是同一个实体，即在网关中增加一些软件代码，其可实现UPF的功能；或者网关和第一用户面网络单元是两个实体，该网关连接该第一用户面网络单元，通过第一用户面网络单元连接核心网中的UPF。当第一用户面网络单元与核心网正常连接时，该第一用户面网络单元充当第一UE与DN之间的PDU会话中的PSA  UPF；当第一用户面网络单元与核心网断开连接时，该第一用户面网络单元可直接实现局域网业务的本地转发。
其中，所述至少两个第一UE属于同一虚拟网络组中的UE，该至少两个第一UE均连接网关和第一用户面网络单元，第一用户面网络单元与核心网进行连接。当第一用户面网络单元与核心网断开连接时，第一用户面网络单元可继续为第一UE之间的业务进行本地转发，保证第一UE的局域网服务正常。如图4a所示，UE1、UE2、UE3、UE4、UE5和UE6均属于同一虚拟网络组，UE3、UE4、UE5和UE6均连接网关eRG和网关中的UPF，网关中的UPF作为UE3、UE4、UE5和UE6局域网的PSA UPF，该PSA UPF通过N9隧道连接核心网中的UPF，该UPF同时也作为UE3、UE4、UE5和UE6局域网的PSA UPF，该PSA UPF通过N19隧道连接该虚拟网络组的PSA UPF，通过该虚拟网络组的PSA UPF与DN连接；UE1和UE2则分别通过核心网中的I-UPF连接该虚拟网络组的PSA UPF，当网关中的PSA UPF与核心网PSA断开连接时，通过网关中的PSA UPF可以建立UE3、UE4、UE5和UE6之间的局域网。
其中，所述第一信息包括虚拟网络组信息、第一PDU会话的ID、第一PDU会话的转发服务质量QoS规则中的一个或多个，所述第一PDU会话为所述至少两个第一UE通过所述第一用户面网络单元建立与数据网络DN之间的PDU会话。
可选的，所述方法还包括：所述会话管理网络单元选择所述第一用户面网络单元作为第一PSA UPF、选择第二用户面网络单元作为第二PSA UPF，所述第一PSA UPF为所述第一PDU会话的PSA UPF，所述第二用户面网络单元为核心网用户面网络单元，所述第二PSA UPF为第二PDU会话的PSA UPF。
其中，在PDU会话建立时，对于经过PRAS和eRG的UE发起的PDU会话建立请求，会话管理网络单元在UPF选择过程中，可以默认选择eRG中的UPF单元作为PSA UPF来建立PDU会话，或者优先选择距离UE较近的eRG中的UPF单元作为PSA UPF来建立PDU会话。同时根据运营商策略和虚拟网络组信息，会话管理网络单元也可以额外选择运营商核心网中的另一UPF作为PSA UPF建立PDU会话，从而建立两个PDU会话。
具体地，会话管理网络单元在进行PDU会话建立时，对于经过网关的至少两个第一UE发起的PDU会话，会话管理网络单元直接将网关中的第一用户面网络单元作为PSA UPF来建立至少两个第一UE与DN之间的PDU会话(第一PDU会话)，同时根据运营商策略和虚拟网络组信息，会话管理网络单元还为该至少两个第一UE选择一个核心网UPF作为PSA UPF建立至少两个第一UE与DN之间的PDU会话(第二PDU会话)，使得第一UE与DN之间建立两条PDU会话，当第一用户面网络单元与核心网断开连接时，可以通过第一用户面网络单元实现第一UE之间的业务转发。
可选的，所述方法还包括：所述会话管理网络单元向所述第一用户面网络单元发送第三信息和第四信息，所述第三信息包括所述第一PDU会话的IP地址和/或所述第一PDU会话的IP地址网络前缀，所述第四信息包括第一指示信息和/或第二指示信息，所述第一指示信息用于指示以所述第一用户面网络单元为所述第一PSA UPF的PDU会话均使用所述第三信息直至接收到来自所述会话管理网络单元的新的第三信息，所述第二指示信息用于指示以所述第一用户面网络单元为所述第一PSA UPF的PDU会话均使用所述第一PDU 会话的转发服务质量QoS规则中的一个或多个直至接收到来自所述会话管理网络单元的新的第一PDU会话的转发服务质量QoS规则中的一个或多个。
其中，在建立第一PDU会话时，会话管理网络单元需要配置并发送该第一PDU会话的IP地址和/或IP地址网络前缀，以及转发服务质量规则给第一用户面网络单元，以使得第一用户面网络单元在接收到第一UE的业务时能够根据转发服务质量规则转发局域网业务。
在本申请实施例中，对于第一用户面网络单元，在第一PDU会话的IP地址和/或IP地址网络前缀，以及转发服务质量规则后，还需要额外配置第四信息，该第四信息用于指示第一用户面网络单元在没有收到会话管理网络单元分配的新的IP地址和/或IP地址网络前缀之前，所有以第一用户面网络单元为锚点的PDU会话的IP地址和/或IP地址网络前缀不变且永远保留，以及第一用户面网络单元在没有收到新的转发服务质量规则前，所有以第一用户面网络单元为锚点的转发服务质量规则保持不变且永远保留。
S420、所述第一用户面网络单元接收第一信息，并根据所述第一信息，确定所述第一用户面网络单元为第一协议数据单元会话锚点。
具体实现中，当第一用户面网络单元接收到第一信息后，第一用户面网络单元根据第一信息执行PSA UPF的功能。
相应的，第一用户面网络单元接收来自会话管理网络单元的第三信息和第四信息，根据第三信息和第四信息，在没有接收到会话管理网络单元配置的新的IP地址和/或IP地址网络前缀、以及转发服务质量规则之前，第一用户面网络单元一直使用配置的第一PDU会话的IP地址和/或IP地址网络前缀，以及转发服务质量规则，对局域网业务进行本地转发。
可以看出，本申请提出了一种移动通信局域网建立方法，会话管理网络单元向第一用户面网络单元发送第一信息，该第一信息用于指示建立至少两个第一UE之间的局域网，该第一UE为被第一用户面网络单元服务的UE；第一用户面网络单元接收第一信息，并根据第一信息确定第一用户面网络单元为第一协议数据单元会话锚点。本申请在第一UE请求建立PDU会话时，会话管理网络单元建立以第一用户面网络单元为PSA UPF和以核心网UPF为PSA UPF的两条PDU会话，从而使得当第一用户面网络单元与核心网断开连接时，第一用户面网络单元作为PSA UPF能够继续对局域网业务进行本地转发，从而使得在与核心网断开连接时保证第一UE的局域网服务正常。
上述主要从方法侧执行过程的角度对本申请实施例的方案进行了介绍。可以理解的是，网络设备为了实现上述功能，其包含了执行各个功能相应的硬件结构和/或软件模块。本领域技术人员应所述很容易意识到，结合本文中所提供的实施例描述的各示例的单元及算法步骤，本申请能够以硬件或硬件和计算机软件的结合形式来实现。某个功能究竟以硬件还是计算机软件驱动硬件的方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
请参阅图5，图5是本申请实施例提供的一种移动通信局域网建立装置500的功能单元组成框图，所述装置500可是网关，该装置500也可以是第一用户面网络单元，该装置 还可以是会话管理网络单元，所述装置500包括：收发单元510和处理单元520。
在一种可能的实现方式中，装置500用于执行上述移动通信局域网建立方法中网关对应的各个流程和步骤。
所述收发单元510，用于在第一用户面网络单元或所述网关与核心网断开连接时，所述网关发送第一信息，所述第一信息用于指示建立至少两个第一用户终端UE之间的局域网，所述第一UE为被所述第一用户面网络单元或所述网关服务的UE。
可选的，所述第一信息包括虚拟网络组信息、第一PDU会话的ID、第一PDU会话的转发服务质量QoS规则中的一个或多个，所述第一PDU会话为所述至少两个第一UE通过所述第一用户面网络单元建立与数据网络DN之间的PDU会话；
在发送第一信息方面，所述收发单元510具体用于：向所述第一用户面网络单元发送所述第一信息。
可选的，所述收发单元510还用于：在所述第一用户面网络单元连接所述核心网时，接收来自会话管理网络单元的第二信息，所述第二信息包括所述第一信息和第三信息，所述第三信息包括所述第一PDU会话的IP地址和/或所述第一PDU会话的IP地址网络前缀；将所述第三信息发送给所述第一用户面网络单元。
可选的，所述第一UE采用非3GPP接入技术连接所述网关。
可选的，所述第一信息包括虚拟网络组信息；
在发送第一信息方面，所述收发单元510具体用于：向非3GPP通信模块发送所述第一信息。
可选的，所述收发单元510还用于：在所述第一用户面网络单元连接所述核心网时，向AMF发送鉴权请求，以进行用户鉴权认证；
接收来自统一数据管理UDR的所述虚拟网络组信息。
可选的，所述虚拟网络组信息包括多个虚拟网络组标识和每个虚拟网络组对应的通用公共用户标识GPSI列表；
所述处理单元520：用于当第二UE位于所述网关的服务范围，且请求加入所述局域网时，校验所述第二UE的GPSI；在所述第二UE的GPSI属于所述GPSI列表时，允许所述第二UE加入所述局域网。
在另一种可能的实现方式中，装置500用于执行上述移动通信局域网建立方法中第一用户面网络单元对应的各个流程和步骤。
所述收发单元510，用于接收第一信息，所述第一信息用于指示建立至少两个第一UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE；
所述处理单元520，用于根据所述第一信息，确定所述第一用户面网络单元为第一协议数据单元会话锚点。
可选的，所述第一信息包括虚拟网络组信息、第一PDU会话的ID、第一PDU会话的转发服务质量QoS规则中的一个或多个，所述第一PDU会话为所述至少两个第一UE通过所述第一用户面网络单元建立与数据网络DN之间的PDU会话；
在接收第一信息方面，所述收发单元510具体用于：接收来自网关或会话管理网络单元的第一信息。
可选的，所述收发单元510还用于：接收来自所述网关或所述会话管理网络单元的第三信息，所述第三信息包括所述第一PDU会话的IP地址和/或所述第一PDU会话的IP地址网络前缀。
可选的，所述收发单元510还用于：接收来自所述会话管理网络单元的第四信息，所述第四信息包括第一指示信息和/或第二指示信息，所述第一指示信息用于指示以所述第一用户面网络单元为所述第一PSA UPF的PDU会话均使用所述第三信息直至接收到来自所述会话管理网络单元的新的第三信息，所述第二指示信息用于指示以所述第一用户面网络单元为所述第一PSA UPF的PDU会话均使用所述第一PDU会话的转发服务质量QoS规则中的一个或多个直至接收到来自所述会话管理网络单元的新的第一PDU会话的转发服务质量QoS规则中的一个或多个。
在另一种可能的实现方式中，装置500用于执行上述移动通信局域网建立方法中会话管理网络单元对应的各个流程和步骤。
所述收发单元510，用于向第一用户面网络单元发送第一信息，所述第一信息用于指示建立至少两个第一UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE。
可选的，所述第一信息包括虚拟网络组信息、第一PDU会话的ID、第一PDU会话的转发服务质量QoS规则中的一个或多个，所述第一PDU会话为所述至少两个第一UE通过所述第一用户面网络单元建立与数据网络DN之间的PDU会话。
可选的，所述处理单元520，用于选择所述第一用户面网络单元作为第一PSA UPF、选择第二用户面网络单元作为第二PSA UPF，所述第一PSA UPF为所述第一PDU会话的PSA UPF，所述第二用户面网络单元为核心网用户面网络单元，所述第二PSA UPF为第二PDU会话的PSA UPF。
可选的，所述收发单元510，还用于向所述第一用户面网络单元发送第三信息和第四信息，所述第三信息包括所述第一PDU会话的IP地址和/或所述第一PDU会话的IP地址网络前缀，所述第四信息包括第一指示信息和/或第二指示信息，所述第一指示信息用于指示以所述第一用户面网络单元为所述第一PSA UPF的PDU会话均使用所述第三信息直至接收到来自所述会话管理网络单元的新的第三信息，所述第二指示信息用于指示以所述第一用户面网络单元为所述第一PSA UPF的PDU会话均使用所述第一PDU会话的转发服务质量QoS规则中的一个或多个直至接收到来自所述会话管理网络单元的新的第一PDU会话的转发服务质量QoS规则中的一个或多个。
可选的，所述收发单元510，还用于向网关发送第二信息，所述第二信息包括所述第一信息和所述第三信息。
可以理解的是，本申请实施例的移动通信局域网建立装置的各程序模块的功能可根据上述方法实施例中的方法具体实现，其具体实现过程可以参照上述方法实施例的相关描述，此处不再赘述。
应理解，这里的装置500以功能单元的形式体现。这里的术语“单元”可以指应用特有集成电路(application specific integrated circuit，ASIC)、电子电路、用于执行一个或多个软件或固件程序的处理器(例如共享处理器、专有处理器或组处理器等)和存储器、合并 逻辑电路和/或其它支持所描述的功能的合适组件。在一个可选例子中，本领域技术人员可以理解，装置500可以具体为上述实施例中的终端设备，装置500可以用于执行上述方法实施例中与终端设备对应的各个流程和/或步骤，为避免重复，在此不再赘述。
上述各个方案的装置500具有实现上述方法中终端设备执行的相应步骤的功能；所述功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的模块；例如收发单元510可以由发送机、接收机替代，处理单元520可以由处理器代替，分别执行各个方法实施例中的收发操作以及相关的处理操作。
在本申请的实施例，装置500也可以是芯片或者芯片系统，例如：片上系统(system on chip，SoC)。对应的，检测单元可以是所述芯片的检测电路，在此不做限定。
请参阅图6，图6是本申请实施例提供的一种电子设备的结构示意图，所述终端设备包括：一个或多个处理器、一个或多个存储器、一个或多个通信接口，以及一个或多个程序；所述一个或多个程序被存储在所述存储器中，并且被配置由所述一个或多个处理器执行。
在一种可能的实现方式中，该电子设备为网关，上述程序包括用于执行以下步骤的指令：
在第一用户面网络单元或所述网关与核心网断开连接时，发送第一信息，所述第一信息用于指示建立至少两个第一用户终端UE之间的局域网，所述第一UE为被所述第一用户面网络单元或所述网关服务的UE。
在一种可能的实现方式中，该电子设备为第一用户面网络单元，上述程序包括用于执行以下步骤的指令：
接收第一信息，所述第一信息用于指示建立至少两个第一UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE；
根据所述第一信息，确定所述第一用户面网络单元为第一协议数据单元会话锚点。
在一种可能的实现方式中，该电子设备为会话管理网络单元，上述程序包括用于执行以下步骤的指令：
向第一用户面网络单元发送第一信息，所述第一信息用于指示建立至少两个第一UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE。
其中，上述方法实施例涉及的各场景的所有相关内容均可以援引到对应功能模块的功能描述，在此不再赘述。
应理解，上述存储器可以包括只读存储器和随机存取存储器，并向处理器提供指令和数据。存储器的一部分还可以包括非易失性随机存取存储器。例如，存储器还可以存储设备类型的信息。
在本申请实施例中，上述装置的处理器可以是中央处理单元(Central Processing Unit，CPU)，所述处理器还可以是其他通用处理器、数字信号处理器(DSP)、专用集成电路(ASIC)、现场可编程门阵列(FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者所述处理器也可以是任何常规的处理器等。
应理解，本申请实施例中涉及的“至少一个”是指一个或者多个，“多个”是指两个或两 个以上。“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B的情况，其中A,B可以是单数或者复数。字符“/”一般表示前后关联对象是一种“或”的关系。“以下至少一项(个)”或其类似表达，是指的这些项中的任意组合，包括单项(个)或复数项(个)的任意组合。例如，a,b,或c中的至少一项(个)，可以表示：a,b,c,a-b,a-c,b-c,或a-b-c，其中a,b,c可以是单个，也可以是多个。
以及，除非有相反的说明，本申请实施例提及“第一”、“第二”等序数词是用于对多个对象进行区分，不用于限定多个对象的顺序、时序、优先级或者重要程度。例如，第一信息和第二信息，只是为了区分不同的信息，而并不是表示这两种信息的内容、优先级、发送顺序或者重要程度等的不同。
在实现过程中，上述方法的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。结合本申请实施例所公开的方法的步骤可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件单元组合执行完成。软件单元可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。所述存储介质位于存储器，处理器执行存储器中的指令，结合其硬件完成上述方法的步骤。为避免重复，这里不再详细描述。
本申请实施例提供一种芯片，所述芯片用于在第一用户面网络单元或所述网关与核心网断开连接时，发送第一信息，所述第一信息用于指示建立至少两个第一用户终端UE之间的局域网，所述第一UE为被所述第一用户面网络单元或所述网关服务的UE。
本申请实施例提供一种芯片模组，包括收发组件和芯片，其中，所述芯片，用于通过所述收发组件在第一用户面网络单元或所述网关与核心网断开连接时，发送第一信息，所述第一信息用于指示建立至少两个第一用户终端UE之间的局域网，所述第一UE为被所述第一用户面网络单元或所述网关服务的UE。
本申请实施例提供一种芯片，所述芯片用于接收第一信息，所述第一信息用于指示建立至少两个第一UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE；所述芯片，还用于根据所述第一信息，确定所述第一用户面网络单元为第一协议数据单元会话锚点。
本申请实施例提供一种芯片模组，包括收发组件和芯片，其中，所述芯片，用于通过所述收发组件接收第一信息，所述第一信息用于指示建立至少两个第一UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE；所述芯片，用于根据所述第一信息，确定所述第一用户面网络单元为第一协议数据单元会话锚点。
本申请实施例提供一种芯片，所述芯片用于向第一用户面网络单元发送第一信息，所述第一信息用于指示建立至少两个第一UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE。
本申请实施例提供一种芯片模组，包括收发组件和芯片，其中，所述芯片，用于通过所述收发组件向第一用户面网络单元发送第一信息，所述第一信息用于指示建立至少两个第一UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE。
本申请实施例还提供一种计算机存储介质，其中，所述计算机存储介质存储用于电子 数据交换的计算机程序，所述计算机程序使得计算机执行如上述方法实施例中记载的任一方法的部分或全部步骤。
本申请实施例还提供一种计算机程序产品，上述计算机程序产品包括存储了计算机程序的非瞬时性计算机可读存储介质，上述计算机程序可操作来使计算机执行如上述方法实施例中记载的任一方法的部分或全部步骤。所述计算机程序产品可以为一个软件安装包。
需要说明的是，对于前述的各方法实施例，为了简单描述，故将其都表述为一系列的动作组合，但是本领域技术人员应所述知悉，本申请并不受所描述的动作顺序的限制，因为依据本申请，某些步骤可以采用其他顺序或者同时进行。其次，本领域技术人员也应所述知悉，说明书中所描述的实施例均属于优选实施例，所涉及的动作和模块并不一定是本申请所必须的。
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。
在本申请所提供的几个实施例中，应所述理解到，所揭露的装置，可通过其它的方式实现。例如，以上所描述的装置实施例仅是示意性的，例如上述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性或其它的形式。
上述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本申请实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
上述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储器中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者所述技术方案的全部或部分可以以软件产品的形式体现出来，所述计算机软件产品存储在一个存储器中，包括若干指令用以使得一台计算机设备(可为个人计算机、服务器或者TRP等)执行本申请各个实施例方法的全部或部分步骤。而前述的存储器包括：U盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、移动硬盘、磁碟或者光盘等各种可以存储程序代码的介质。
本领域普通技术人员可以理解上述实施例的各种方法中的全部或部分步骤是可以通过程序来指令相关的硬件来完成，所述程序可以存储于一计算机可读存储器中，存储器可以包括：闪存盘、ROM、RAM、磁盘或光盘等。
以上对本申请实施例进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方法及其核心思想；同时，对 于本领域的一般技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。

Claims (27)

  1. 一种移动通信局域网建立方法，其特征在于，应用于网关，所述方法包括：
    在第一用户面网络单元或所述网关与核心网断开连接时，所述网关发送第一信息，所述第一信息用于指示建立至少两个第一用户终端UE之间的局域网，所述第一UE为被所述第一用户面网络单元或所述网关服务的UE。
  2. 根据权利要求1所述的方法，其特征在于，所述第一信息包括虚拟网络组信息、第一PDU会话的ID、第一PDU会话的转发服务质量QoS规则中的一个或多个，所述第一PDU会话为所述至少两个第一UE通过所述第一用户面网络单元建立与数据网络DN之间的PDU会话；
    所述网关发送第一信息包括：所述网关向所述第一用户面网络单元发送所述第一信息。
  3. 根据权利要求2所述的方法，其特征在于，所述方法还包括：
    在所述第一用户面网络单元连接所述核心网时，所述网关接收来自会话管理网络单元的第二信息，所述第二信息包括所述第一信息和第三信息，所述第三信息包括所述第一PDU会话的IP地址和/或所述第一PDU会话的IP地址网络前缀；
    所述网关将所述第三信息发送给所述第一用户面网络单元。
  4. 根据权利要求1所述的方法，其特征在于，所述第一UE采用非3GPP接入技术连接所述网关。
  5. 根据权利要求4所述的方法，其特征在于，所述第一信息包括虚拟网络组信息；
    所述网关发送第一信息包括：所述网关向非3GPP通信模块发送所述第一信息。
  6. 根据权利要求5所述的方法，其特征在于，所述方法还包括：
    在所述第一用户面网络单元连接所述核心网时，所述网关向AMF发送鉴权请求，以进行用户鉴权认证；
    所述网关接收来自统一数据管理UDR的所述虚拟网络组信息。
  7. 根据权利要求6所述的方法，其特征在于，所述虚拟网络组信息包括多个虚拟网络组标识和每个虚拟网络组对应的通用公共用户标识GPSI列表；
    所述方法还包括：当第二UE位于所述网关的服务范围，且请求加入所述局域网时，所述网关校验所述第二UE的GPSI；
    在所述第二UE的GPSI属于所述GPSI列表时，所述网关允许所述第二UE加入所述局域网。
  8. 一种移动通信局域网建立方法，其特征在于，应用于第一用户面网络单元，所述方法包括：
    所述第一用户面网络单元接收第一信息，所述第一信息用于指示建立至少两个第一UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE；
    所述第一用户面网络单元根据所述第一信息，确定所述第一用户面网络单元为第一协议数据单元会话锚点。
  9. 根据权利要求8所述的方法，其特征在于，所述第一信息包括虚拟网络组信息、第一PDU会话的ID、第一PDU会话的转发服务质量QoS规则中的一个或多个，所述第一PDU会话为所述至少两个第一UE通过所述第一用户面网络单元建立与数据网络DN之 间的PDU会话；
    所述第一用户面网络单元接收第一信息包括：所述第一用户面网络单元接收来自网关或会话管理网络单元的第一信息。
  10. 根据权利要求9所述的方法，其特征在于，所述方法还包括：
    所述第一用户面网络单元接收来自所述网关或所述会话管理网络单元的第三信息，所述第三信息包括所述第一PDU会话的IP地址和/或所述第一PDU会话的IP地址网络前缀。
  11. 根据权利要求10所述的方法，其特征在于，所述方法还包括：
    所述第一用户面网络单元接收来自所述会话管理网络单元的第四信息，所述第四信息包括第一指示信息和/或第二指示信息，所述第一指示信息用于指示以所述第一用户面网络单元为所述第一PSA UPF的PDU会话均使用所述第三信息直至接收到来自所述会话管理网络单元的新的第三信息，所述第二指示信息用于指示以所述第一用户面网络单元为所述第一PSA UPF的PDU会话均使用所述第一PDU会话的转发服务质量QoS规则中的一个或多个直至接收到来自所述会话管理网络单元的新的第一PDU会话的转发服务质量QoS规则中的一个或多个。
  12. 一种移动通信局域网建立方法，其特征在于，应用于会话管理网络单元，所述方法包括
    所述会话管理网络单元向第一用户面网络单元发送第一信息，所述第一信息用于指示建立至少两个第一UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE。
  13. 根据权利要求12所述的方法，其特征在于，所述第一信息包括虚拟网络组信息、第一PDU会话的ID、第一PDU会话的转发服务质量QoS规则中的一个或多个，所述第一PDU会话为所述至少两个第一UE通过所述第一用户面网络单元建立与数据网络DN之间的PDU会话。
  14. 根据权利要求13所述的方法，其特征在于，所述方法还包括：
    所述会话管理网络单元选择所述第一用户面网络单元作为第一PSA UPF、选择第二用户面网络单元作为第二PSA UPF，所述第一PSA UPF为所述第一PDU会话的PSA UPF，所述第二用户面网络单元为核心网用户面网络单元，所述第二PSA UPF为第二PDU会话的PSA UPF。
  15. 根据权利要求14所述的方法，其特征在于，所述方法还包括：
    所述会话管理网络单元向所述第一用户面网络单元发送第三信息和第四信息，所述第三信息包括所述第一PDU会话的IP地址和/或所述第一PDU会话的IP地址网络前缀，所述第四信息包括第一指示信息和/或第二指示信息，所述第一指示信息用于指示以所述第一用户面网络单元为所述第一PSA UPF的PDU会话均使用所述第三信息直至接收到来自所述会话管理网络单元的新的第三信息，所述第二指示信息用于指示以所述第一用户面网络单元为所述第一PSA UPF的PDU会话均使用所述第一PDU会话的转发服务质量QoS规则中的一个或多个直至接收到来自所述会话管理网络单元的新的第一PDU会话的转发服务质量QoS规则中的一个或多个。
  16. 根据权利要求15所述的方法，其特征在于，所述方法还包括：
    所述会话管理网络单元向网关发送第二信息，所述第二信息包括所述第一信息和所述第三信息。
  17. 一种移动通信局域网建立装置，其特征在于，应用于网关，所述装置包括：
    收发单元，用于在第一用户面网络单元或所述网关与核心网断开连接时，发送第一信息，所述第一信息用于指示建立至少两个第一用户终端UE之间的局域网，所述第一UE为被所述第一用户面网络单元或所述网关服务的UE。
  18. 一种移动通信局域网建立装置，其特征在于，应用于第一用户面网络单元，所述装置包括：
    收发单元，用于接收第一信息，所述第一信息用于指示建立至少两个第一UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE；
    处理单元，用于根据所述第一信息，确定所述第一用户面网络单元为第一协议数据单元会话锚点。
  19. 一种移动通信局域网建立装置，其特征在于，应用于会话管理网络单元，所述装置包括：
    收发单元，用于向第一用户面网络单元发送第一信息，所述第一信息用于指示建立至少两个第一UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE。
  20. 一种芯片，其特征在于，所述芯片用于在第一用户面网络单元或所述网关与核心网断开连接时，发送第一信息，所述第一信息用于指示建立至少两个第一用户终端UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE。
  21. 一种芯片模组，其特征在于，包括收发组件和芯片，其中，所述芯片，用于通过所述收发组件在第一用户面网络单元或所述网关与核心网断开连接时，发送第一信息，所述第一信息用于指示建立至少两个第一用户终端UE之间的局域网，所述第一UE为被所述第一用户面网络单元或所述网关服务的UE。
  22. 一种芯片，其特征在于，所述芯片用于接收第一信息，所述第一信息用于指示建立至少两个第一UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE；
    所述芯片，还用于根据所述第一信息，确定所述第一用户面网络单元为第一协议数据单元会话锚点。
  23. 一种芯片模组，其特征在于，包括收发组件和芯片，其中，所述芯片，用于通过所述收发组件接收第一信息，所述第一信息用于指示建立至少两个第一UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE；
    所述芯片，用于根据所述第一信息，确定所述第一用户面网络单元为第一协议数据单元会话锚点。
  24. 一种芯片，其特征在于，所述芯片用于向第一用户面网络单元发送第一信息，所述第一信息用于指示建立至少两个第一UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE。
  25. 一种芯片模组，其特征在于，包括收发组件和芯片，其中，所述芯片，用于通过所述收发组件向第一用户面网络单元发送第一信息，所述第一信息用于指示建立至少两个第一UE之间的局域网，所述第一UE为被所述第一用户面网络单元服务的UE。
  26. 一种电子设备，其特征在于，所述电子设备包括处理器、存储器、通信接口，以及一个或多个程序，所述一个或多个程序被存储在所述存储器中，并且被配置由所述处理器执行，所述程序包括用于执行如权利要求1-7任一项所述的方法中的步骤的指令、或如权利要求8-11任一项所述的方法中的步骤的指令、或如权利要求12-16任一项所述的方法中的步骤的指令。
  27. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质存储用于电子数据交换的计算机程序，其中，所述计算机程序使得计算机执行如权利要求1-7任一项所述的方法的步骤、或如权利要求8-11任一项所述的方法中的步骤、或如权利要求12-16任一项所述的方法中的步骤。
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