WO2020000174A1 - Procédé et appareil de sélection de réseau cœur, équipement terminal et dispositif de réseau - Google Patents

Procédé et appareil de sélection de réseau cœur, équipement terminal et dispositif de réseau Download PDF

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Publication number
WO2020000174A1
WO2020000174A1 PCT/CN2018/092821 CN2018092821W WO2020000174A1 WO 2020000174 A1 WO2020000174 A1 WO 2020000174A1 CN 2018092821 W CN2018092821 W CN 2018092821W WO 2020000174 A1 WO2020000174 A1 WO 2020000174A1
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WO
WIPO (PCT)
Prior art keywords
core network
terminal
information
network
access network
Prior art date
Application number
PCT/CN2018/092821
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English (en)
Chinese (zh)
Inventor
刘建华
杨宁
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2018/092821 priority Critical patent/WO2020000174A1/fr
Priority to CN201880091399.5A priority patent/CN111869266A/zh
Priority to TW108122300A priority patent/TW202007199A/zh
Publication of WO2020000174A1 publication Critical patent/WO2020000174A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup

Definitions

  • the present application relates to the field of wireless communication technologies, and in particular, to a method and an apparatus for selecting a core network, a terminal device, and a network device.
  • IoT devices In the future network, there will be a large number of Internet of Things (IoT) devices.
  • IoT devices When IoT devices send small data, they can be encapsulated and sent by non-access stratum (NAS, Non-access Stratum) protocol data units (PDUs).
  • NAS Non-access stratum
  • PDUs protocol data units
  • This method is called a control plane data transmission method.
  • Another small data sending method is to use an optimized user plane data transmission method.
  • the terminal implements small data transmission on the user plane through fast state transitions to save signaling overhead. Fast state transition is achieved by maintaining the context of the terminal in both the network and the terminal in a specific state.
  • the terminal cannot select the core network properly when selecting the network or the access network is selecting the core network.
  • the embodiments of the present application provide a method and an apparatus for selecting a core network, a terminal device, and a network device.
  • the terminal sends a first connection request message to the access network.
  • the first connection request message carries at least one of the following: a first transmission mode corresponding to the target data to be transmitted, and first UE identification information allocated by the network to the terminal. And first core network information, so that the access network selects a core network to which the terminal needs to connect based on the information carried in the first connection request message.
  • the method further includes:
  • the terminal Before the terminal sends the first connection request message to the access network, determine a core network or a core network set to be connected;
  • the first UE identification information allocated by the network to the terminal refers to the first UE identification information allocated by the core network or core network set to the terminal.
  • the determining a core network or a core network set to be connected includes:
  • the terminal determines the core network or core network set to be connected according to whether the at least one core network supports capability information of the first transmission mode.
  • the terminal obtains capability information of whether the at least one core network supports the first transmission mode through non-access layer signaling or access layer signaling.
  • the method further includes:
  • the obtaining the capability information of whether the access network supports the first transmission mode includes:
  • the terminal obtains capability information of whether the access network supports the first transmission mode through a cell identifier corresponding to the access network.
  • the access network selects a core based on the first core network information carried in the first connection request message If the network fails, the access network selects a core network to which the terminal needs to connect from a core network or a core network set supporting the first transmission mode.
  • the access network determines a core network or core supporting the first transmission method based on the first configuration information or control signaling or user plane signaling between the access network and the core network. Web collection.
  • the access network if the access network cannot select a core network to which the terminal needs to connect among the core network or core network set supporting the first transmission mode, the access network sends the terminal to the terminal.
  • a first notification message where the first notification message is used to notify the access network that it cannot select a core network to which the terminal needs to connect.
  • the access network rejects or releases the connection of the terminal.
  • the access network receives a second notification message sent from the core network, where the second notification message includes core network information and / or PLMN information supported by the core network, and the access network sends The information in the second notification message is notified to the terminal or the access network redirects the terminal to a corresponding frequency point or RAT according to the information in the second notification message.
  • the terminal selects the corresponding core network information and / or public land mobile at the corresponding frequency point or radio access type (RAT) according to the information in the second notification message.
  • Network (PLMN, Public Land Mobile Network) information PLMN, Public Land Mobile Network
  • the first transmission method includes a method of transmitting data by a control plane, or a method of transmitting data by a user plane.
  • the access network side and the core network side determine a transmission mode started by each terminal based on the capability information of the terminal.
  • the access network receives a first connection request message sent by the terminal.
  • the first connection request message carries at least one of the following: a first transmission mode corresponding to the target data to be transmitted, and a first UE identifier allocated by the network to the terminal.
  • Information first core network information;
  • the access network selects a core network to which the terminal needs to connect based on information carried in the first connection request message.
  • the method further includes:
  • the The access network selects a core network to which the terminal needs to connect from a core network or a core network set supporting the first transmission mode.
  • the method further includes:
  • the access network determines a core network or a core network set supporting the first transmission mode based on the first configuration information or control signaling or user plane signaling between the access network and the core network.
  • the method further includes:
  • the access network If the access network cannot select a core network to which the terminal needs to be connected in a core network or a core network set that supports the first transmission mode, the access network sends a first notification message to the terminal.
  • the first notification message is used to notify the access network that the core network that the terminal needs to connect to cannot be selected.
  • the method further includes:
  • the access network rejects or releases the connection of the terminal.
  • the method further includes:
  • the access network receives a second notification message sent from a core network, the second notification message includes core network information and / or PLMN information supported by the core network, and the access network sends the second notification message
  • the information in the notification is notified to the terminal or the access network redirects the terminal to a corresponding frequency point or RAT according to the information in the second notification message.
  • the first transmission method includes a method of transmitting data by a control plane, or a method of transmitting data by a user plane.
  • the access network side and the core network side determine a transmission mode started by each terminal based on the capability information of the terminal.
  • a sending unit is configured to send a first connection request message to the access network, where the first connection request message carries at least one of the following: a first transmission mode corresponding to the target data to be transmitted, and a first UE identification information and first core network information, so that the access network selects a core network to which the terminal needs to connect based on the information carried in the first connection request message.
  • the device further includes:
  • a determining unit for determining a core network or a core network set to be connected
  • the first UE identification information allocated by the network to the terminal refers to the first UE identification information allocated to the terminal by the core network or a core network set.
  • the determining unit is configured to determine the core network or core network set to be connected according to whether at least one core network supports capability information of the first transmission mode.
  • the device further includes:
  • the first obtaining unit is configured to obtain capability information of whether the at least one core network supports the first transmission mode through non-access layer signaling or access layer signaling.
  • the device further includes:
  • a second obtaining unit configured to obtain capability information of whether the access network supports the first transmission mode
  • the sending unit is configured to send the first connection request message to the access network when the access network supports capability information of the first transmission mode.
  • the second obtaining unit is configured to obtain, through a system message or dedicated signaling sent by the access network, whether the access network supports capability information of the first transmission mode; or The cell identifier corresponding to the access network acquires capability information of whether the access network supports the first transmission mode.
  • the access network selects a core based on the first core network information carried in the first connection request message If the network fails, the access network selects a core network to which the terminal needs to connect from a core network or a core network set supporting the first transmission mode.
  • the access network determines a core network or core supporting the first transmission method based on the first configuration information or control signaling or user plane signaling between the access network and the core network. Web collection.
  • the access network if the access network cannot select a core network to which the terminal needs to be connected in the core network or core network set supporting the first transmission mode, the access network sends the terminal to the terminal.
  • a first notification message where the first notification message is used to notify the access network that it cannot select a core network to which the terminal needs to connect.
  • the access network rejects or releases the connection of the terminal.
  • the access network receives a second notification message sent from the core network, where the second notification message includes core network information and / or PLMN information supported by the core network, and the access network sends The information in the second notification message is notified to the terminal or the access network redirects the terminal to a corresponding frequency point or RAT according to the information in the second notification message.
  • the device further includes:
  • a selecting unit is configured to select the corresponding core network information and / or PLMN information on a corresponding frequency point or RAT according to the information in the second notification message.
  • the first transmission method includes a method of transmitting data by a control plane, or a method of transmitting data by a user plane.
  • the access network side and the core network side determine a transmission mode started by each terminal based on the capability information of the terminal.
  • a first receiving unit is configured to receive a first connection request message sent by a terminal, where the first connection request message carries at least one of the following: a first transmission mode corresponding to target data to be transmitted, and a network allocated to the terminal.
  • a selecting unit is configured to select a core network to which the terminal needs to connect based on information carried in the first connection request message.
  • the selecting unit selects a core network to which the terminal needs to connect from a core network or a core network set supporting the first transmission mode.
  • the device further includes:
  • a determining unit is configured to determine a core network or a core network set supporting the first transmission mode based on the first configuration information or control signaling or user plane signaling between the access network and the core network.
  • the device includes:
  • a notification unit configured to send a first notification message to the terminal if the access network cannot select a core network to which the terminal needs to be connected in the core network or core network set supporting the first transmission mode,
  • the first notification message is used to notify the access network that the core network that the terminal needs to connect to cannot be selected.
  • the device further includes:
  • a response unit configured to reject or release the connection of the terminal.
  • the device further includes:
  • a second receiving unit configured to receive a second notification message sent from the core network, where the second notification message includes core network information and / or PLMN information supported by the core network;
  • a notification unit configured to notify the terminal of the information in the second notification message or the access network to redirect the terminal to a corresponding frequency point or RAT according to the information in the second notification message .
  • the first transmission method includes a method of transmitting data by a control plane, or a method of transmitting data by a user plane.
  • the access network side and the core network side determine a transmission mode started by each terminal based on the capability information of the terminal.
  • the terminal device provided in the embodiment of the present application includes a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the foregoing core network selection method.
  • the network device provided in the embodiment of the present application includes a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the foregoing core network selection method.
  • the chip provided in the embodiment of the present application is used to implement the foregoing core network selection method.
  • the chip includes a processor for invoking and running a computer program from a memory, so that a device installed with the chip executes the foregoing core network selection method.
  • the computer-readable storage medium provided in the embodiment of the present application is used to store a computer program, and the computer program enables a computer to execute the foregoing core network selection method.
  • the computer program product provided in the embodiment of the present application includes computer program instructions, and the computer program instructions cause a computer to execute the foregoing core network selection method.
  • the computer program provided in the embodiment of the present application when run on a computer, causes the computer to execute the foregoing core network selection method.
  • a terminal when a terminal selects a network or an access network selects a core network, a terminal can effectively select a suitable core network for connection, which reduces the probability of failing to connect to the core network and effectively guarantees small data according to characteristics Transmission method.
  • FIG. 1 is a schematic diagram of a communication system architecture according to an embodiment of the present application.
  • FIG. 2 is a first flowchart of a core network selection method according to an embodiment of the present application
  • FIG. 3 is a second flowchart of a core network selection method according to an embodiment of the present application.
  • FIG. 4 is a first structural diagram of a core network selection device according to an embodiment of the present application.
  • FIG. 5 is a second structural schematic diagram of a core network selection device according to an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a communication device according to an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • FIG. 8 is a schematic block diagram of a communication system according to an embodiment of the present application.
  • GSM Global System
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GSM Global System
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with the terminal device 120 (or referred to as a communication terminal or terminal).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with terminal devices located within the coverage area.
  • the network device 110 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, or a base station (NodeB, NB) in a WCDMA system, or an evolved base station in an LTE system.
  • BTS Base Transceiver Station
  • NodeB NodeB
  • the network device may be a mobile switching center, relay station, access point, vehicle equipment, Wearable devices, hubs, switches, bridges, routers, network-side devices in 5G networks, or network devices in public land mobile networks (PLMN) that will evolve in the future.
  • PLMN public land mobile networks
  • the communication system 100 further includes at least one terminal device 120 located within a coverage area of the network device 110.
  • terminal equipment used herein includes, but is not limited to, connection via wired lines, such as via Public Switched Telephone Networks (PSTN), Digital Subscriber Line (DSL), digital cable, direct cable connection ; And / or another data connection / network; and / or via a wireless interface, such as for cellular networks, Wireless Local Area Networks (WLAN), digital television networks such as DVB-H networks, satellite networks, AM- FM broadcast transmitter; and / or another terminal device configured to receive / transmit communication signals; and / or Internet of Things (IoT) devices.
  • PSTN Public Switched Telephone Networks
  • DSL Digital Subscriber Line
  • WLAN Wireless Local Area Networks
  • DVB-H Digital Video Broadband
  • satellite networks satellite networks
  • AM- FM broadcast transmitter AM- FM broadcast transmitter
  • IoT Internet of Things
  • a terminal device configured to communicate through a wireless interface may be referred to as a “wireless communication terminal”, a “wireless terminal”, or a “mobile terminal”.
  • mobile terminals include, but are not limited to, satellite or cellular phones; personal communications systems (PCS) terminals that can combine cellular radiotelephones with data processing, facsimile, and data communications capabilities; can include radiotelephones, pagers, Internet PDA with network access, Web browser, notepad, calendar, and / or Global Positioning System (GPS) receiver; and conventional laptop and / or palm-type receivers or others including radiotelephone transceivers Electronic device.
  • PCS personal communications systems
  • GPS Global Positioning System
  • a terminal device can refer to an access terminal, user equipment (UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent, or User device.
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Processing Assistant (PDA), and wireless communication.
  • the terminal devices 120 may perform terminal direct connection (Device to Device, D2D) communication.
  • D2D Terminal to Device
  • the 5G system or the 5G network may also be referred to as a New Radio (New Radio) system or an NR network.
  • New Radio New Radio
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminal devices. The embodiment does not limit this.
  • the communication system 100 may further include other network entities such as a network controller, a mobility management entity, and the like in this embodiment of the present application is not limited thereto.
  • network entities such as a network controller, a mobility management entity, and the like in this embodiment of the present application is not limited thereto.
  • the device having a communication function in the network / system in the embodiments of the present application may be referred to as a communication device.
  • the communication device may include a network device 110 and a terminal device 120 having a communication function, and the network device 110 and the terminal device 120 may be specific devices described above, and will not be repeated here.
  • the communication device may also include other devices in the communication system 100, such as other network entities such as a network controller, a mobile management entity, and the like, which is not limited in the embodiments of the present application.
  • FIG. 2 is a first flowchart of a core network selection method according to an embodiment of the present application. As shown in FIG. 2, the core network selection method includes the following steps:
  • Step 201 The terminal sends a first connection request message to the access network, where the first connection request message carries at least one of the following: a first transmission method corresponding to the target data to be transmitted, and a first UE identification information and first core network information, so that the access network selects a core network to which the terminal needs to connect based on the information carried in the first connection request message.
  • the first connection request message carries at least one of the following: a first transmission method corresponding to the target data to be transmitted, and a first UE identification information and first core network information, so that the access network selects a core network to which the terminal needs to connect based on the information carried in the first connection request message.
  • the terminal may be, but is not limited to, an IoT device.
  • the access network may be any type of access network, such as an LTE access network, an NR access network, and so on.
  • the information carried in the first connection request message sent by the terminal to the access network has the following two cases:
  • the first connection request message carries a first transmission mode corresponding to the target data to be transmitted.
  • the access network selects a core network to which the terminal needs to connect based on the first transmission mode and auxiliary information.
  • the first connection request message carries a first transmission mode corresponding to the target data to be transmitted, first UE identification information, and / or first core network information.
  • the access network selects a core network to which the terminal needs to connect based on the first transmission mode, the first UE identification information, and / or the first core network information.
  • the first UE identification information is, for example, 5G-S-TMSI
  • the first core network information is, for example, a globally unique AMF identification (GUAMI).
  • GUIMI globally unique AMF identification
  • the terminal before the terminal sends the first connection request message to the access network, it determines the core network or core network set to be connected; the terminal selects the 5G-S allocated by this core network or core network set.
  • -TMSI that is, the first UE identification information allocated by the network to the terminal refers to the first UE identification information allocated by the core network or core network set to the terminal.
  • the terminal determines the core network or core network set to be connected in the following manner: the terminal determines the core to be connected according to whether at least one core network supports the capability information of the first transmission mode. Network or core network collection. Further, the terminal obtains capability information of whether the at least one core network supports the first transmission mode through non-access layer signaling or access layer signaling.
  • the terminal before the terminal sends the first connection request message to the access network, the terminal obtains capability information of whether the access network supports the first transmission mode; the access network supports all When the capability information of the first transmission mode is described, the first connection request message is sent to the access network.
  • the terminal obtains the capability information of whether the access network supports the first transmission mode in the following manner: 1) The terminal obtains the system information or dedicated signaling sent by the access network. Whether the access network supports the capability information of the first transmission method; or, 2) the terminal obtains, through the cell identifier corresponding to the access network, whether the access network supports the capability of the first transmission method. information.
  • the access network selects a core network to which the terminal needs to connect from a core network or a core network set that supports the first transmission mode.
  • the access network determines a core network or a core network set supporting the first transmission mode based on the first configuration information or control signaling or user plane signaling between the access network and the core network.
  • the access network if the access network cannot select a core network to which the terminal needs to be connected in the core network or core network set supporting the first transmission mode, the access network sends the terminal to the terminal.
  • a first notification message where the first notification message is used to notify the access network that it cannot select a core network to which the terminal needs to connect.
  • the access network rejects or releases the connection of the terminal.
  • the access network receives a second notification message sent from the core network, where the second notification message includes core network information and / or PLMN information supported by the core network, and the access network sends The information in the second notification message is notified to the terminal or the access network redirects the terminal to a corresponding frequency point or RAT according to the information in the second notification message.
  • the terminal selects the corresponding core network information and / or PLMN information on the corresponding frequency point or RAT according to the information in the second notification message.
  • the first transmission method includes a method of transmitting data by a control plane (for example, a method of packaging small data by using a NAS PDU), or a method of transmitting data by a user plane.
  • the access network side and the core network side determine the transmission modes that are respectively started based on the capability information of the terminal.
  • FIG. 3 is a second flowchart of a core network selection method according to an embodiment of the present application. As shown in FIG. 3, the core network selection method includes the following steps:
  • Step 301 The access network receives a first connection request message sent by the terminal, where the first connection request message carries at least one of the following: a first transmission mode corresponding to the target data to be transmitted, and a first -UE identification information and first core network information.
  • Step 302 The access network selects a core network to which the terminal needs to connect based on information carried in the first connection request message.
  • the terminal may be, but is not limited to, an IoT device.
  • the access network may be any type of access network, such as an LTE access network, an NR access network, and so on.
  • the information carried in the first connection request message sent by the terminal to the access network has the following two cases:
  • the first connection request message carries a first transmission mode corresponding to the target data to be transmitted.
  • the access network selects a core network to which the terminal needs to connect based on the first transmission mode and auxiliary information.
  • the first connection request message carries a first transmission mode corresponding to the target data to be transmitted, first UE identification information, and / or first core network information.
  • the access network selects a core network to which the terminal needs to connect based on the first transmission mode, the first UE identification information, and / or the first core network information.
  • the access network selects a core network to which the terminal needs to connect from a core network or a core network set that supports the first transmission mode.
  • the access network determines a core network or a core network set supporting the first transmission mode based on the first configuration information or control signaling or user plane signaling between the access network and the core network.
  • the access network if the access network cannot select a core network to which the terminal needs to be connected in the core network or core network set supporting the first transmission mode, the access network sends the terminal to the terminal.
  • a first notification message where the first notification message is used to notify the access network that it cannot select a core network to which the terminal needs to connect.
  • the access network rejects or releases the connection of the terminal.
  • the access network receives a second notification message sent from the core network, where the second notification message includes core network information and / or PLMN information supported by the core network, and the access network sends The information in the second notification message is notified to the terminal or the access network redirects the terminal to a corresponding frequency point or RAT according to the information in the second notification message.
  • the first transmission method includes a method of transmitting data by a control plane (for example, a method of packaging small data by using a NAS PDU), or a method of transmitting data by a user plane.
  • the access network side and the core network side determine the transmission modes that are respectively started based on the capability information of the terminal.
  • FIG. 4 is a first structural diagram of a core network selection device according to an embodiment of the present application. As shown in FIG. 4, the core network selection device includes:
  • the sending unit 401 is configured to send a first connection request message to the access network, where the first connection request message carries at least one of the following: a first transmission mode corresponding to target data to be transmitted, and a network assigned to the terminal.
  • the first UE identification information and the first core network information so that the access network selects a core network to which the terminal needs to connect based on the information carried in the first connection request message.
  • the device further includes:
  • a determining unit 402 configured to determine a core network or a core network set to be connected;
  • the first UE identification information allocated by the network to the terminal refers to the first UE identification information allocated by the core network or core network set to the terminal.
  • the determining unit 402 is configured to determine the core network or core network set to be connected according to whether at least one core network supports capability information of the first transmission mode.
  • the device further includes:
  • a first obtaining unit 403 is configured to obtain capability information of whether the at least one core network supports the first transmission mode through non-access layer signaling or access layer signaling.
  • the device further includes:
  • a second obtaining unit 404 configured to obtain capability information of whether the access network supports the first transmission mode
  • the sending unit 401 is configured to send the first connection request message to the access network when the access network supports capability information of the first transmission mode.
  • the second obtaining unit 404 is configured to obtain capability information of whether the access network supports the first transmission mode through a system message or dedicated signaling sent by the access network; or, Capability information of whether the access network supports the first transmission mode is obtained by using a cell identifier corresponding to the access network.
  • the access network selects a core based on the first core network information carried in the first connection request message If the network fails, the access network selects a core network to which the terminal needs to connect from a core network or a core network set supporting the first transmission mode.
  • the access network determines a core network or core supporting the first transmission method based on the first configuration information or control signaling or user plane signaling between the access network and the core network. Web collection.
  • the access network if the access network cannot select a core network to which the terminal needs to be connected in the core network or core network set supporting the first transmission mode, the access network sends the terminal to the terminal.
  • a first notification message where the first notification message is used to notify the access network that it cannot select a core network to which the terminal needs to connect.
  • the access network rejects or releases the connection of the terminal.
  • the access network receives a second notification message sent from the core network, where the second notification message includes core network information and / or PLMN information supported by the core network, and the access network sends The information in the second notification message is notified to the terminal or the access network redirects the terminal to a corresponding frequency point or RAT according to the information in the second notification message.
  • the device further includes:
  • a selecting unit 405 is configured to select the corresponding core network information and / or PLMN information on a corresponding frequency point or RAT according to the information in the second notification message.
  • the first transmission method includes a method of transmitting data by a control plane, or a method of transmitting data by a user plane.
  • the access network side and the core network side determine a transmission mode started by each terminal based on the capability information of the terminal.
  • FIG. 5 is a second schematic diagram of the structure and composition of a core network selection device according to an embodiment of the present application. As shown in FIG. 5, the core network selection device includes:
  • a first receiving unit 501 is configured to receive a first connection request message sent by a terminal, where the first connection request message carries at least one of the following: a first transmission mode corresponding to target data that needs to be transmitted, and the network allocates the terminal First UE identification information and first core network information;
  • a selecting unit 502 is configured to select a core network to which the terminal needs to connect based on information carried in the first connection request message.
  • the selection unit 502 selects a core network to which the terminal needs to connect from a core network or a core network set supporting the first transmission mode.
  • the device further includes:
  • a determining unit 503 is configured to determine a core network or a core network set supporting the first transmission mode based on the first configuration information or control signaling or user plane signaling between the access network and the core network.
  • the device includes:
  • a notification unit 504 configured to send a first notification message to the terminal if the access network cannot select a core network to which the terminal needs to be connected in the core network or core network set supporting the first transmission mode, The first notification message is used to notify the access network that it cannot select a core network to which the terminal needs to connect.
  • the device further includes:
  • the response unit 505 is configured to reject or release the connection of the terminal.
  • the device further includes:
  • a second receiving unit 506 configured to receive a second notification message sent from the core network, where the second notification message includes core network information and / or PLMN information supported by the core network;
  • a notification unit 504 configured to notify the terminal of the information in the second notification message or the access network to redirect the terminal to a corresponding frequency point or RAT according to the information in the second notification message on.
  • the first transmission method includes a method of transmitting data by a control plane, or a method of transmitting data by a user plane.
  • the access network side and the core network side determine a transmission mode started by each terminal based on the capability information of the terminal.
  • FIG. 6 is a schematic structural diagram of a communication device 600 according to an embodiment of the present application.
  • the communication device may be a terminal device or a network device (such as an access network device).
  • the communication device 600 shown in FIG. 6 includes a processor 610.
  • the processor 610 may call and run a computer program from a memory to implement the present invention. Apply the method in the examples.
  • the communication device 600 may further include a memory 620.
  • the processor 610 may call and run a computer program from the memory 620 to implement the method in the embodiment of the present application.
  • the memory 620 may be a separate device independent of the processor 610, or may be integrated in the processor 610.
  • the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices, and specifically, may send information or data to other devices, or receive other Information or data sent by the device.
  • the processor 610 may control the transceiver 630 to communicate with other devices, and specifically, may send information or data to other devices, or receive other Information or data sent by the device.
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include antennas, and the number of antennas may be one or more.
  • the communication device 600 may specifically be a network device according to an embodiment of the present application, and the communication device 600 may implement a corresponding process implemented by a network device in each method in the embodiments of the present application. .
  • the communication device 600 may specifically be a mobile terminal / terminal device in the embodiment of the present application, and the communication device 600 may implement the corresponding process implemented by the mobile terminal / terminal device in each method in the embodiments of the present application, for the sake of simplicity , Will not repeat them here.
  • FIG. 7 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 700 shown in FIG. 7 includes a processor 710, and the processor 710 may call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the chip 700 may further include a memory 720.
  • the processor 710 may call and run a computer program from the memory 720 to implement the method in the embodiment of the present application.
  • the memory 720 may be a separate device independent of the processor 710, or may be integrated in the processor 710.
  • the chip 700 may further include an input interface 730.
  • the processor 710 may control the input interface 730 to communicate with other devices or chips. Specifically, the processor 710 may obtain information or data sent by other devices or chips.
  • the chip 700 may further include an output interface 740.
  • the processor 710 may control the output interface 740 to communicate with other devices or chips. Specifically, the processor 710 may output information or data to the other devices or chips.
  • the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can be applied to the mobile terminal / terminal device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the mobile terminal / terminal device in each method of the embodiment of the present application. For simplicity, here No longer.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-level chip, a system chip, a chip system or a system-on-chip.
  • FIG. 8 is a schematic block diagram of a communication system 900 according to an embodiment of the present application.
  • the communication system 900 includes a terminal device 910 and a network device 920.
  • the terminal device 910 may be used to implement the corresponding function implemented by the terminal device in the foregoing method
  • the network device 920 may be used to implement the corresponding function implemented by the network device in the foregoing method.
  • details are not described herein again. .
  • the processor in the embodiment of the present application may be an integrated circuit chip and has a signal processing capability.
  • each step of the foregoing method embodiment may be completed by using an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the above processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA), or other Programming logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA off-the-shelf programmable gate array
  • Various methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • a general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in combination with the embodiments of the present application may be directly implemented by a hardware decoding processor, or may be performed by using a combination of hardware and software modules in the decoding processor.
  • a software module may be located in a mature storage medium such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, or an electrically erasable programmable memory, a register, and the like.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), and an electronic memory. Erase programmable read-only memory (EPROM, EEPROM) or flash memory.
  • the volatile memory may be Random Access Memory (RAM), which is used as an external cache.
  • RAM Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • Synchronous Dynamic Random Access Memory Synchronous Dynamic Random Access Memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double SDRAM, DDR SDRAM enhanced synchronous dynamic random access memory
  • Enhanced SDRAM, ESDRAM synchronous connection dynamic random access memory
  • Synchronous DRAM Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM Enhanced SDRAM, ESDRAM
  • synchronous connection dynamic random access memory Synchrobus RAM, SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (SDRAM), double data rate Synchronous dynamic random access memory (Double SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM), direct memory bus random access memory (Direct RAMbus RAM, DR RAM) and so on. That is, the memories in the embodiments of the present application are intended to include, but not limited to, these and any other suitable types of memories.
  • An embodiment of the present application further provides a computer-readable storage medium for storing a computer program.
  • the computer-readable storage medium can be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method in the embodiment of the present application.
  • the computer program causes the computer to execute the corresponding process implemented by the network device in each method in the embodiment of the present application.
  • the computer-readable storage medium can be applied to the mobile terminal / terminal device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the mobile terminal / terminal device in each method in the embodiment of the present application.
  • the computer program causes the computer to execute the corresponding process implemented by the mobile terminal / terminal device in each method in the embodiment of the present application.
  • An embodiment of the present application further provides a computer program product, including computer program instructions.
  • the computer program product can be applied to a network device in the embodiment of the present application, and the computer program instruction causes a computer to execute a corresponding process implemented by the network device in each method in the embodiment of the present application. More details.
  • the computer program product may be applied to a mobile terminal / terminal device in the embodiments of the present application, and the computer program instructions cause a computer to execute a corresponding process implemented by the mobile terminal / terminal device in each method of the embodiments of the present application, For brevity, I will not repeat them here.
  • the embodiment of the present application also provides a computer program.
  • the computer program may be applied to a network device in the embodiment of the present application.
  • the computer program When the computer program is run on a computer, the computer is caused to execute a corresponding process implemented by the network device in each method in the embodiment of the present application. , Will not repeat them here.
  • the computer program can be applied to a mobile terminal / terminal device in the embodiment of the present application, and when the computer program is run on a computer, the computer executes each method in the embodiment of the application by the mobile terminal / terminal device.
  • the corresponding processes are not repeated here for brevity.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the unit is only a logical function division.
  • multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, which may be electrical, mechanical or other forms.
  • the units described 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, may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objective of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each of the units may exist separately physically, or two or more units may be integrated into one unit.
  • the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of the present application is essentially a part that contributes to the existing technology or a part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in the embodiments of the present application.
  • the foregoing storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory) ROM, random access memory (Random Access Memory, RAM), magnetic disks or optical disks and other media that can store program codes .

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

Abstract

La présente invention concerne un procédé et un appareil de sélection de réseau cœur, un équipement terminal et un dispositif de réseau, le procédé comprenant les opérations suivantes : un terminal envoie un premier message de demande de connexion à un réseau d'accès, le premier message de demande de connexion contient au moins l'un des éléments suivants : une première manière de transmission correspondant à des données cibles nécessitant une transmission, des premières informations d'identification d'UE attribuées par un réseau pour le terminal, et des premières informations de réseau cœur. Ainsi, sur la base d'informations contenues dans le premier message de demande de connexion, le réseau d'accès sélectionne un réseau cœur auquel le terminal doit se connecter.
PCT/CN2018/092821 2018-06-26 2018-06-26 Procédé et appareil de sélection de réseau cœur, équipement terminal et dispositif de réseau WO2020000174A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/CN2018/092821 WO2020000174A1 (fr) 2018-06-26 2018-06-26 Procédé et appareil de sélection de réseau cœur, équipement terminal et dispositif de réseau
CN201880091399.5A CN111869266A (zh) 2018-06-26 2018-06-26 一种核心网选择方法及装置、终端设备、网络设备
TW108122300A TW202007199A (zh) 2018-06-26 2019-06-26 一種核心網選擇方法及裝置、終端設備、網路設備

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PCT/CN2018/092821 WO2020000174A1 (fr) 2018-06-26 2018-06-26 Procédé et appareil de sélection de réseau cœur, équipement terminal et dispositif de réseau

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CN113613169B (zh) * 2021-08-16 2022-06-28 广州爱浦路网络技术有限公司 物联网终端接入核心网的方法、系统、装置及存储介质
CN117320003A (zh) * 2022-06-24 2023-12-29 中兴通讯股份有限公司 一种基于物联网的无线接入、信息处理方法及网络系统

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