WO2022213264A1 - Procédé de notification de capacité de terminal, dispositif terminal et dispositif réseau - Google Patents

Procédé de notification de capacité de terminal, dispositif terminal et dispositif réseau Download PDF

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Publication number
WO2022213264A1
WO2022213264A1 PCT/CN2021/085665 CN2021085665W WO2022213264A1 WO 2022213264 A1 WO2022213264 A1 WO 2022213264A1 CN 2021085665 W CN2021085665 W CN 2021085665W WO 2022213264 A1 WO2022213264 A1 WO 2022213264A1
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WIPO (PCT)
Prior art keywords
capability
indication information
terminal
message
terminal device
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Application number
PCT/CN2021/085665
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English (en)
Chinese (zh)
Inventor
卢飞
杨皓睿
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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.)
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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/CN2021/085665 priority Critical patent/WO2022213264A1/fr
Priority to CN202180093737.0A priority patent/CN116941326A/zh
Publication of WO2022213264A1 publication Critical patent/WO2022213264A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H04W76/16—Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the present application relates to the field of communications, and more particularly, to a terminal capability notification method, terminal device and network device.
  • Terminal equipment that supports the capabilities of the fifth generation mobile communication technology (5G, 5th generation mobile networks) may turn off the 5G capability when some services cannot be used during the use of the 5G network; in addition, users can also manually turn off/on 5G 5G capability of the terminal.
  • the UE sends the non-access stratum (NAS, Non-Access Stratum) mobility management (MM, Mobility Management Entity) to the mobility management entity (MME, Mobility Management Entity). Management) message, carrying an indication that the 5G capability is not supported; wherein, the aforementioned NAS MM message includes an Attach Request message, a Tracking Area Update (TAU, TrackingArea Update) request message, and the like.
  • NAS non-access stratum
  • MME Mobility Management Entity
  • Management Management
  • the aforementioned NAS MM message includes an Attach Request message, a Tracking Area Update (TAU, TrackingArea Update) request message, and the like.
  • PGW-C packet data network gateway
  • PGW-C packet data network gateway
  • the MME may select a PGW-C for the 5G terminal according to the received indication that the 5G capability is not supported, and establish a packet data unit between the 5G terminal and the PGW-C (PDU, Packet Data Unit) session (Session) connection.
  • PDU Packet Data Unit
  • Session Session Management Function
  • the embodiments of the present application propose a terminal capability notification method, a terminal device, and a network device, which can notify the network device of the capability information of the terminal device, so that the network device can select an appropriate network element for the terminal device.
  • the embodiment of the present application proposes a terminal capability notification method, including:
  • the terminal device sends a first message to the network device, where the first message carries terminal capability indication information and 5G capability on/off indication information; wherein,
  • the terminal capability indication information is used to indicate whether the terminal device supports 5G capability
  • the 5G capability on/off indication information is used to indicate whether the 5G capability of the terminal device is turned on.
  • the embodiment of the present application also proposes a method for receiving terminal capabilities, including:
  • the network device receives a first message from the terminal device, where the first message carries terminal capability indication information and 5G capability on/off indication information; wherein,
  • the terminal capability indication information is used to indicate whether the terminal device supports 5G capability
  • the 5G capability on/off indication information is used to indicate whether the 5G capability of the terminal device is turned on.
  • the embodiment of the present application also proposes a terminal device, including:
  • a sending module configured to send a first message to the network device, where the first message carries terminal capability indication information and 5G capability on/off indication information;
  • the terminal capability indication information is used to indicate whether the terminal device supports 5G capability
  • the 5G capability on/off indication information is used to indicate whether the 5G capability of the terminal device is turned on.
  • the embodiment of the present application also proposes a network device, including:
  • a receiving module configured to receive a first message from the terminal device, where the first message carries terminal capability indication information and 5G capability on/off indication information;
  • the terminal capability indication information is used to indicate whether the terminal device supports 5G capability
  • the 5G capability on/off indication information is used to indicate whether the 5G capability of the terminal device is turned on.
  • An embodiment of the present application also proposes a terminal device, including: a processor, a memory, and a transceiver, where the memory is used for storing a computer program, the processor is used for calling and running the computer program stored in the memory, and controlling the transceiver, The method described in any one of the above terminal capability notification methods is performed.
  • An embodiment of the present application also proposes a network device, including: a processor, a memory, and a transceiver, where the memory is used to store a computer program, the processor is used to call and run the computer program stored in the memory, and control the transceiver, The method described in any one of the above-mentioned terminal capability receiving methods is performed.
  • An embodiment of the present application further proposes a chip, including: a processor for invoking and running a computer program from a memory, so that a device installed with the chip executes the method described in any one of the above methods for notifying terminal capabilities.
  • An embodiment of the present application further provides a chip, including: a processor for calling and running a computer program from a memory, so that a device installed with the chip executes the method described in any one of the foregoing methods for receiving terminal capabilities.
  • An embodiment of the present application further provides a computer-readable storage medium for storing a computer program, and the computer program enables a computer to execute the method described in any one of the foregoing terminal capability notification methods.
  • the embodiment of the present application further provides a computer-readable storage medium for storing a computer program, and the computer program enables a computer to execute the method described in any one of the foregoing methods for receiving terminal capabilities.
  • An embodiment of the present application further provides a computer program product, including computer program instructions, the computer program instructions causing a computer to execute the method described in any one of the foregoing terminal capability notification methods.
  • An embodiment of the present application further provides a computer program product, including computer program instructions, the computer program instructions enable a computer to execute the method described in any one of the foregoing methods for receiving terminal capabilities.
  • An embodiment of the present application further provides a computer program, the computer program causing a computer to execute the method described in any one of the foregoing methods for notifying terminal capabilities.
  • the embodiment of the present application further provides a computer program, the computer program enables a computer to execute the method described in any one of the foregoing methods for receiving terminal capabilities.
  • the terminal device sends the terminal capability indication information and the 5G capability on/off indication information to the network device, so as to provide the network device with accurate capability information of the terminal device so that the network device can select an appropriate network element.
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a method 200 for notifying a terminal capability according to an embodiment of the present application.
  • FIG. 3 is an implementation flowchart of Embodiment 1 of the present application.
  • FIG. 4 is an implementation flowchart of Embodiment 2 of the present application.
  • FIG. 5 is an implementation flowchart of Embodiment 3 of the present application.
  • FIG. 6 is a schematic flowchart of a method 600 for receiving a terminal capability according to an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a terminal device 700 according to an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a terminal device 800 according to an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a network device 900 according to an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a network device 1000 according to an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a communication device 1100 according to an embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of a chip 1200 according to an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced Long Term Evolution
  • NR New Radio
  • LTE LTE-based access to unlicensed spectrum
  • LTE-U Universal Mobile Telecommunication System
  • UMTS Universal Mobile Telecommunication System
  • WLAN Wireless Local Area Networks
  • WiFi Wireless Fidelity
  • the communication system in this embodiment of the present application may be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, a dual connectivity (Dual Connectivity, DC) scenario, or a standalone (Standalone, SA) distribution. web scene.
  • Carrier Aggregation, CA Carrier Aggregation, CA
  • DC Dual Connectivity
  • SA standalone
  • This embodiment of the present application does not limit the applied spectrum.
  • the embodiments of the present application may be applied to licensed spectrum, and may also be applied to unlicensed spectrum.
  • terminal equipment may also be referred to as user equipment (User Equipment, UE), access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • UE User Equipment
  • access terminal subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • the terminal device can be a station (STAION, ST) in the WLAN, can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a personal digital processing (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, and next-generation communication systems, such as terminal devices in NR networks or Terminal equipment in the future evolved Public Land Mobile Network (Public Land Mobile Network, PLMN) network, etc.
  • STAION, ST in the WLAN
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices, which are the general term for the intelligent design of daily wear and the development of wearable devices using wearable technology, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-scale, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, which needs to cooperate with other devices such as smart phones.
  • a network device can be a device used to communicate with a mobile device.
  • the network device can be an access point (Access Point, AP) in WLAN, a base station (Base Transceiver Station, BTS) in GSM or CDMA, or a WCDMA
  • a base station NodeB, NB
  • it can also be an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or a vehicle-mounted device, wearable device, and network equipment (gNB) in NR networks Or network equipment in the PLMN network that evolves in the future.
  • AP Access Point
  • BTS Base Transceiver Station
  • gNB network equipment
  • a network device provides services for a cell
  • a terminal device communicates with the network device through transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell
  • the cell may be a network device (for example, a frequency domain resource).
  • the cell corresponding to the base station), the cell can belong to the macro base station, or it can belong to the base station corresponding to the small cell (Small cell), where the small cell can include: Metro cell, Micro cell, Pico cell cell), Femto cell, etc.
  • These small cells have the characteristics of small coverage and low transmit power, and are suitable for providing high-speed data transmission services.
  • FIG. 1 exemplarily shows one network device 110 and two terminal devices 120.
  • the wireless communication system 100 may include a plurality of network devices 110, and the coverage of each network device 110 may include other numbers
  • the terminal device 120 is not limited in this embodiment of the present application.
  • the embodiments of the present application may be applied to one terminal device 120 and one network device 110 , and may also be applied to one terminal device 120 and another terminal device 120 .
  • the wireless communication system 100 may further include other network entities such as a mobility management entity (Mobility Management Entity, MME), an access and mobility management function (Access and Mobility Management Function, AMF). This is not limited.
  • MME Mobility Management Entity
  • AMF Access and Mobility Management Function
  • the "instruction" mentioned in the embodiments of the present application may be a direct instruction, an indirect instruction, or an associated relationship.
  • a indicates B it can indicate that A directly indicates B, for example, B can be obtained through A; it can also indicate that A indicates B indirectly, such as A indicates C, and B can be obtained through C; it can also indicate that there is an association between A and B relation.
  • corresponding may indicate that there is a direct or indirect corresponding relationship between the two, or may indicate that there is an associated relationship between the two, or indicate and be instructed, configure and be instructed configuration, etc.
  • Terminals that support 5G capabilities may turn off 5G capabilities when some services cannot be used during the use of 5G networks; users can also manually turn off/on the 5G capabilities of 5G terminals.
  • 5G terminals may turn off 5G capabilities when some services cannot be used during the use of 5G networks; users can also manually turn off/on the 5G capabilities of 5G terminals.
  • the 5G capability is turned off, after the 4G network establishes the PDN connection, if the 5G capability is turned on again, the PDN connection established in the 4G network at this time can continue to be used in the 5G network.
  • the method (method 1) adopted in the proposal S2-2100902 in the 3GPP SA2#143E meeting is that when the 5G capability is turned off, in the process of establishing the PDN connection in the 4G network, the UE still allocates the PDU session identifier (PDU session identifier) in the 5G system. ID), and carry the allocated PDU session ID in the protocol configuration option (PCO, Protocol Configuration Option) and send it to the PGW-C+SMF.
  • PDU session identifier PDU session identifier
  • PCO Protocol Configuration Option
  • the method adopted in the proposal S2-2100131 in the 3GPP SA2#143E meeting is that when the 5G capability is turned off, the UE does not allocate the PDU session ID in the 5G system during the establishment of the PDN connection in the 4G network.
  • the UE re-allocates the PDU session ID in the 5G system, and triggers the UE request bearer resource modification (UE requested bearer resource modification) process, and carries the allocated PDU session ID to the UE requested bearer resource modification process.
  • PGW-C+SMF PGW-C+SMF.
  • the above-mentioned PGW-C can send the QoS parameters, slice parameters and other information required to move the UE to the 5G system to the UE in the PCO.
  • the UE After the UE disables the 5G capability, the UE carries an indication that the 5G capability is not supported in the NAS MM message (including the attach request and the TAU request) sent to the MME.
  • the MME will decide to select PGW-C for 4G terminal services only, or PGW-C+SMF for 4G terminal services and 5G terminal services according to the 5G capability indication information in the MM message.
  • the UE sends an indication that the 5G capability is not supported to the MME, and the MME may select a PGW-C for the UE according to the indication.
  • FIG. 2 is a schematic flowchart of a method 200 for notifying a terminal capability according to an embodiment of the present application.
  • the method can optionally be applied to the system shown in FIG. 1 . It is applied to the terminal equipment in the system shown in FIG. 1, but is not limited to this.
  • the method includes at least some of the following.
  • the terminal device sends a first message to the network device, where the first message carries terminal capability indication information and 5G capability enable/disable indication information; wherein,
  • the terminal capability indication information can be used to indicate whether the terminal device supports 5G capability
  • the 5G capability on/off indication information may be used to indicate whether the 5G capability of the terminal device is turned on.
  • the terminal device may send a first message to the network device, and the first message carries the terminal capability indication information and the 5G capability enable/disable indication information; wherein, The terminal capability indication information indicates that the terminal device supports the 5G capability, and the 5G capability enable/disable indication information indicates that the 5G capability of the terminal device is disabled.
  • the terminal capability indication information carried in the first message can be used by the network device to select the corresponding network element.
  • the first message is used for the network device to select the first network element.
  • the first network element may be a network element used for 4G terminal services and 5G terminal services, such as PGW-C+SMF.
  • the terminal capability indication information indicates that the terminal device does not support the 5G capability
  • the first message is used for the network device to select the second network element.
  • the first network element may be a network element only used for 4G terminal services, such as PGW-C.
  • the terminal device sends a first message to the MME, and the first message carries the terminal capability indication information and the 5G capability enable/disable indication information; wherein, the terminal capability The indication information indicates that the terminal device supports the 5G capability, and the 5G capability enable/disable indication information indicates that the 5G capability of the terminal device is disabled.
  • the MME can select an appropriate PGW-C+SMF for the terminal device, so as to avoid the situation of selecting the PGW-C.
  • the terminal device will send the terminal capability indication information that does not support the 5G capability to the MME; the MME may select the PGW-C for the terminal device according to the terminal capability indication information. It can be seen that, compared with the prior art, the embodiment of the present application can ensure that the MME selects an appropriate network element for the terminal device, so as to avoid the situation that the service of the PDU session is discontinuous in the future.
  • the above-mentioned first message includes an attach request message.
  • the above-mentioned first message may also include a TAU request message.
  • the foregoing terminal capability indication information includes N1 capability indication (N1 capability indication) information.
  • FIG. 3 is an implementation flowchart of Embodiment 1 of the present application.
  • the network device is an MME and the first message is an attach request message as an example for introduction.
  • this embodiment includes the following steps:
  • the UE sends an Attach request (Attach request) message to the MME, and the Attach request message carries the N1 capability indication and the 5G capability enable/disable indication (Enable/Disable 5G capability indication).
  • the N1 capability indication is used to indicate whether the UE supports the 5G capability
  • the 5G capability enable/disable indication is used to indicate whether the 5G capability of the UE is turned on.
  • the length of the 5G capability enable/disable indication is 1 bit. When the indication is "1", it means that the 5G capability of the UE is enabled; when the indication is "0", it means that the 5G capability of the UE is disabled.
  • the N1 capability indication indicates that the UE supports the 5G capability
  • the information indicated by the 5G capability enable/disable is valid.
  • the N1 capability indication indicates that the UE does not support the 5G capability, there is no question of whether the 5G capability is enabled, so the information indicated by the 5G capability enable/disable is invalid.
  • the Attach request message sent by the UE carries the N1 capability indication and the 5G capability enable/disable indication; and the N1 capability indication indicates that the UE supports the 5G capability and the 5G capability enable/disable indicates that the 5G capability of the UE is turned off.
  • the MME returns an Attach Accept (Attach Accept) message to the UE, where the Attach Accept message carries the Globally Unique Temporary Identifier (GUTI, Globally Unique Temporary Identifier) allocated by the MME for the UE.
  • Attach Accept Attach Accept
  • GUI Globally Unique Temporary Identifier
  • PDU connection When the UE disables 5G capability (disable 5G capability), the UE needs to establish a PDU connection (PDN connection), the UE can send a PDN connection establishment request message to the MME, and the PDN connection establishment request message carries the access point name (APN, Access Point Name ) and other information. Further, the UE may also allocate a PDU session identifier (PDU session ID) to the PDU connection, carry the PDU session ID in the PCO, and carry the PCO in the PDN connection establishment request message and send it to the MME.
  • PDU session ID PDU session ID
  • S304 The MME selects according to the N1 capability indication in the Attach request message, and selects to establish a PDU connection with PGW-C+SMF or PGW-C.
  • the N1 capability indication carried in the Attach request message sent by the UE indicates that the UE supports the 5G capability.
  • the MME can select a suitable PGW-C+SMF for the UE.
  • step S305 After selecting the appropriate PGW-C+SMF in step S304, the MME allocates the default EPS bearer id (default EPS bearer id) and quality of service (QoS, Quality of Service) parameters, and sends them to the selected PGW-C +SMF sends a session establishment request message, which carries the default EPS bearer id and QoS parameters in the session establishment request message. In addition, the MME may also forward the POC received in step S303 to the PGW-C+SMF.
  • the default EPS bearer id default EPS bearer id
  • QoS Quality of Service
  • the MME sends a default bearer establishment request message to the UE, where the default bearer establishment request message carries the default EPS bearer id and QoS parameters allocated in the above step S305.
  • S308 The UE returns a default bearer establishment response message to the MME.
  • the network device (such as MME) can know whether the UE supports 5G capability according to the N1 capability indication in the first message (such as the attach request message) sent by the UE, and select a suitable network element for the UE according to whether the UE supports the 5G capability. .
  • the network device selects a suitable PGW-C+SMF for the UE; in the case that the UE does not support the 5G capability, the network device can select the PGW-C for the UE.
  • the network device may select the PGW-C for the UE supporting the 5G capability is avoided.
  • the UE may notify the network device. For example, the UE sends the 5G capability on/off indication information to the network device by using a TAU request message or a bearer resource modification request message.
  • the above method further includes:
  • Terminal devices turn on 5G capabilities
  • the terminal device sends a second message to the network device, where the second message carries terminal capability indication information and 5G capability on/off indication information; wherein the terminal capability indication information indicates that the terminal device supports 5G capability, and the 5G capability is turned on/off
  • the indication information is used to indicate that the 5G capability of the terminal device is turned on.
  • the above-mentioned second message includes a TAU request.
  • the above process is an implementation manner of the UE notifying the network side when the 5G terminal is switched from off to on of the 5G capability.
  • the above method further includes:
  • the terminal equipment turns off 5G capability
  • the terminal device sends a third message to the network device, where the third message carries terminal capability indication information and 5G capability on/off indication information; wherein the terminal capability indication information indicates that the terminal device supports 5G capability, and the 5G capability is turned on/off
  • the indication information is used to indicate that the 5G capability of the terminal device is turned off.
  • the above-mentioned third message includes a TAU request.
  • the above process is an implementation manner in which the UE notifies the network side when the 5G terminal is switched from on to off of the 5G capability.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • This embodiment mainly introduces how the UE notifies the network device when the condition of being turned on or off of the 5G capability changes. For example, when the 5G terminal changes from the state of 5G capability on to the state of 5G capability off, it sends 5G capability on/off indication information to the network device, so that the 5G capability on/off indication information indicates that the 5G capability is turned off; or, 5G capability When the terminal changes from the 5G capability-off state to the 5G capability-on state, it sends the 5G capability on/off indication information to the network device, so that the 5G capability on/off indication information indicates that the 5G capability has been turned on.
  • FIG. 4 is a flow chart of the implementation of Embodiment 2 of the present application.
  • the network device is an MME as an example for introduction
  • the UE uses a TAU request message to send 5G capability on/off indication information to the MME.
  • this embodiment includes the following steps:
  • S401 to S408 are the same as steps S301 to S308 in the first embodiment, and are not repeated here.
  • the UE supports the 5G capability, and the 5G capability is disabled before this step.
  • the UE enables the 5G capability
  • the UE sends a TAU request message to the MME, and the TAU request message carries the terminal capability indication information and the 5G capability on/off indication information, wherein the terminal capability indication information indicates that the UE supports the 5G capability,
  • the 5G capability on/off indication information indicates that the 5G capability of the UE is turned on.
  • the MME sends a bearer resource modification request (bearer resource modification request) message to the PGW-C+SMF, where the bearer resource modification request carries 5G capability on/off indication information.
  • S411 The PGW-C+SMF returns a bearer resource modification response message to the MME.
  • S412 The MME returns a TAU Accept (TAU Accept) message to the UE.
  • the PGW-C+SMF can send the QoS parameters and slice parameters used by the UE in the 5G system to the UE through the PCO.
  • the PGW-C+SMF sends a bearer resource modification request message to the MME, and the bearer resource modification request message carries a PCO, and the PCO carries related parameters such as QoS parameters and slice parameters used by the UE in the 5G system.
  • the MME sends a bearer resource modification request message to the UE, where the bearer resource modification request message carries the above-mentioned PCO.
  • S415 The UE returns a bearer resource modification accept message to the MME.
  • S416 The MME returns a bearer resource modification response message to the PGW-C+SMF.
  • the UE that supports the 5G capability still allocates the PDU session identifier used in the 5G system, and carries the PDU session identifier in the PCO and sends it to the MME (as described above). Step S303), and then the MME forwards the PCO carrying the PDU session identifier to the PGW-C+SMF (as in the above step S305).
  • the 5G terminal may temporarily not allocate the PDU session ID used in the 5G system; when the 5G capability is turned on, the 5G terminal will re-allocate the PDU session ID and send it to the MME .
  • the above method may further include:
  • the terminal device When the 5G capability of the terminal device is disabled, the terminal device sends a PDU session establishment request message or a bearer resource modification request message to the network device, where the PDU session establishment request message or the bearer resource modification request message carries a PCO, and the PCO contains It carries the PDU session ID assigned by the terminal device.
  • the PCO carried in the above bearer resource modification request message may also carry 5G capability on/off indication information.
  • FIG. 5 is a flowchart of the implementation of Embodiment 3 of the present application. As shown in FIG. 5 , this embodiment includes the following steps:
  • the UE sends an attach request (Attach request) message to the MME, and the Attach request message carries the N1 capability indication and the 5G capability enable/disable indication.
  • the N1 capability indication is used to indicate whether the UE supports the 5G capability
  • the 5G capability enable/disable indication is used to indicate whether the 5G capability of the UE is turned on.
  • the Attach request message sent by the UE carries the N1 capability indication and the 5G capability enable/disable indication; and the N1 capability indication indicates that the UE supports the 5G capability and the 5G capability enable/disable indicates that the 5G capability of the UE is turned off.
  • Step S501 is the same as the above-mentioned step S301.
  • Step S502 The MME returns an Attach Accept (Attach Accept) message to the UE, where the Attach Accept message carries the GUTI allocated by the MME for the UE.
  • Step S502 is the same as the above-mentioned step S302.
  • step S513 Since the UE does not allocate a PDU session identifier in step S503, in this step, the UE allocates a PDU session identifier (PDU session ID), carries the PDU session ID in the PCO, and carries the PCO in the bearer resource modification request message Sent to MME.
  • PDU session ID PDU session identifier
  • S514 The MME sends a bearer resource modification command (bearer resource modification command) message to the PGW-C+SMF, where the message carries the above-mentioned PCO.
  • bearer resource modification command bearer resource modification command
  • the UE notifies the network side of the allocated PDU session identifier.
  • the PGW-C+SMF can send the QoS parameters and slice parameters used by the UE in the 5G system to the UE through the PCO.
  • the PGW-C+SMF sends a bearer resource modification request message, and the bearer resource modification request message carries a PCO, and the PCO carries related parameters such as QoS parameters and slice parameters used by the UE in the 5G system.
  • S516 The MME sends a bearer resource modification request message to the UE, where the bearer resource modification request message carries the above-mentioned PCO.
  • S517 The UE returns a bearer resource modification accept message to the MME.
  • S518 The MME returns a bearer resource modification response message to the PGW-C+SMF.
  • 5G capabilities are divided into two dimensions: whether to support 5G capabilities and whether to enable 5G capabilities.
  • the network device can distinguish between the two different terminals according to the information reported by the terminal.
  • the information reported by the aforementioned two terminals is the same, and the network equipment cannot distinguish the aforementioned two terminals. Therefore, PGW-C may be selected for terminals that support 5G capabilities but have not yet turned on 5G capabilities. Continuity of service to which the PDU is connected.
  • FIG. 6 is a schematic flowchart of a method 600 for receiving terminal capabilities according to an embodiment of the present application.
  • the method can optionally be applied to the system shown in FIG. 1 . Such as applied to network equipment, but not limited to this.
  • the method includes at least some of the following.
  • the network device receives a first message from the terminal device, where the first message carries terminal capability indication information and 5G capability on/off indication information; wherein,
  • the terminal capability indication information is used to indicate whether the terminal device supports 5G capability
  • the 5G capability on/off indication information is used to indicate whether the 5G capability of the terminal device is turned on.
  • the network device may select an appropriate network element for the terminal device according to the above-mentioned terminal capability indication information.
  • the network device selects the first network element according to the first message.
  • the above-mentioned first network element may include PGW-C+SMF.
  • the network device selects the second network element according to the first message.
  • the above-mentioned second network element may include a PGW-C.
  • the above-mentioned first message includes an attach request message.
  • the foregoing terminal capability indication information includes N1 capability indication information.
  • the network device may receive 5G capability on/off indication information from the terminal device, and notify the first network element of the 5G capability on/off indication information.
  • the above method also includes:
  • the network device receives a second message from the terminal device, where the second message carries terminal capability indication information and 5G capability on/off indication information; wherein the terminal capability indication information indicates that the terminal device supports 5G capability, and the 5G capability on/off indication The information is used to indicate that the 5G capability of the terminal device is turned on;
  • the network device sends a bearer resource modification command message to the first network element, where the bearer resource modification command message carries the 5G capability on/off indication information.
  • the above-mentioned second message includes a tracking area update TAU request.
  • the above method further includes:
  • the network device receives a third message from the terminal device, where the third message carries terminal capability indication information and 5G capability on/off indication information; wherein the terminal capability indication information indicates that the terminal device supports 5G capability, and the 5G capability on/off indication The information is used to indicate that the 5G capability of the terminal device is turned off;
  • the network device sends a bearer resource modification command message to the first network element, where the bearer resource modification command message carries the 5G capability on/off indication information.
  • the above-mentioned third message includes a TAU request.
  • the above-mentioned network device may receive the PDU session ID allocated by the terminal device from the terminal device, and send the PDU session ID to the first network.
  • the above method may also include:
  • the network device receives a PDU session establishment request message or a bearer resource modification request message from the terminal device, and the PDU session establishment request message or the bearer resource modification request message carries a PCO, and the PCO carries the PDU session ID allocated by the terminal device;
  • the network device sends the PCO to the first network element.
  • the PCO carried in the above-mentioned bearer resource modification request message may also carry 5G capability on/off indication information.
  • the above-mentioned network device includes an MME.
  • FIG. 7 is a schematic structural diagram of a terminal device 700 according to an embodiment of the present application, including:
  • the sending module 710 is configured to send a first message to the network device, where the first message carries terminal capability indication information and 5G capability on/off indication information; wherein,
  • the terminal capability indication information is used to indicate whether the terminal device supports 5G capability
  • the 5G capability on/off indication information is used to indicate whether the 5G capability of the terminal device is turned on.
  • the terminal capability indication information indicates that the terminal device supports 5G capability
  • the above-mentioned first message is used for the network device to select the first network element.
  • the above-mentioned first network element includes PGW-C+SMF.
  • the first message is used for the network device to select the second network element.
  • the above-mentioned second network element includes a PGW-C.
  • the above-mentioned first message includes an attach request message.
  • the foregoing terminal capability indication information includes N1 capability indication information.
  • FIG. 8 is a schematic structural diagram of a terminal device 800 according to an embodiment of the present application.
  • the terminal device includes a sending module 710 and further includes:
  • the 5G capability opening module 820 is used for opening the 5G capability
  • the second message sending module 830 is configured to send a second message to the network device, where the second message carries terminal capability indication information and 5G capability on/off indication information; wherein the terminal capability indication information indicates that the terminal device supports 5G capability, the 5G capability on/off indication information is used to indicate that the 5G capability of the terminal device has been turned on.
  • the above-mentioned second message includes a tracking area update TAU request.
  • the above-mentioned terminal device further includes:
  • the 5G capability closing module 840 is used to close the 5G capability
  • a third message sending module 850 is configured to send a third message to the network device, where the third message carries terminal capability indication information and 5G capability on/off indication information; wherein the terminal capability indication information indicates that the terminal device supports 5G capability, the 5G capability on/off indication information is used to indicate that the 5G capability of the terminal device has been turned off.
  • the above-mentioned third message includes a TAU request.
  • the above-mentioned terminal device further includes:
  • a session identifier sending module 860 configured to send a PDU session establishment request message or a bearer resource modification request message to the network device when the 5G capability of the terminal device is turned off, the PDU session establishment request message or the bearer resource modification request
  • the message carries the protocol configuration option PCO, and the PCO carries the PDU session identifier ID allocated by the terminal device.
  • the PCO carried in the above-mentioned bearer resource modification request message also carries the 5G capability on/off indication information.
  • the above network device includes a mobility management entity MME.
  • FIG. 9 is a schematic structural diagram of a network device 900 according to an embodiment of the present application, including:
  • the receiving module 910 is configured to receive a first message from the terminal device, where the first message carries terminal capability indication information and 5G capability on/off indication information; wherein,
  • the terminal capability indication information is used to indicate whether the terminal device supports 5G capability
  • the 5G capability on/off indication information is used to indicate whether the 5G capability of the terminal device is turned on.
  • FIG. 10 is a schematic structural diagram of a network device 1000 according to an embodiment of the present application.
  • the network device includes a receiving module 910 and further includes:
  • the first network element selection module 1020 is configured to select a first network element according to the first message when the terminal capability indication information indicates that the terminal device supports 5G capability.
  • the above-mentioned first network element includes PGW-C+SMF.
  • the above network device further includes:
  • the second network element selection module 1030 is configured to select a second network element according to the first message when the terminal capability indication information indicates that the terminal device does not support the 5G capability.
  • the above-mentioned second network element includes a PGW-C.
  • the above-mentioned first message includes an attach request message.
  • the foregoing terminal capability indication information includes N1 capability indication information.
  • the above network device further includes:
  • the second message receiving module 1040 is configured to receive a second message from the terminal device, where the second message carries terminal capability indication information and 5G capability on/off indication information; wherein the terminal capability indication information indicates that the terminal device supports 5G capability, the 5G capability on/off indication information is used to indicate that the 5G capability of the terminal device has been turned on;
  • the first bearer resource modification command sending module 1050 is configured to send a bearer resource modification command message to the first network element, where the bearer resource modification command message carries the 5G capability on/off indication information.
  • the above-mentioned second message includes a tracking area update TAU request.
  • the above network device further includes:
  • the third message receiving module 1060 is configured to receive a third message from the terminal device, where the third message carries terminal capability indication information and 5G capability on/off indication information; wherein the terminal capability indication information indicates that the terminal device supports 5G capability, the 5G capability on/off indication information is used to indicate that the 5G capability of the terminal device has been turned off;
  • the second bearer resource modification command sending module 1070 is configured to send a bearer resource modification command message to the first network element, where the bearer resource modification command message carries the 5G capability on/off indication information.
  • the above-mentioned third message includes a TAU request.
  • the above network device further includes:
  • the PCO receiving module 1080 is configured to receive a PDU session establishment request message or a bearer resource modification request message from the terminal device, where the PDU session establishment request message or the bearer resource modification request message carries a PCO, and the PCO carries the information allocated by the terminal device.
  • PDU session ID PDU session ID;
  • the PCO sending module 1090 is configured to send the PCO to the first network element.
  • the PCO carried in the above-mentioned bearer resource modification request message also carries the 5G capability on/off indication information.
  • the above-mentioned network device includes an MME.
  • each module (submodule, unit, or component, etc.) in the terminal device and the network device in the embodiments of this application may be implemented by different modules (submodule, unit, or component, etc.), or It is realized by the same module (sub-module, unit or component, etc.), for example, the second message sending module and the third message sending module may be different modules or the same module, both of which can be implemented in this application.
  • the sending module and the receiving module in the embodiments of the present application may be implemented by the transceiver of the device, and some or all of the other modules may be implemented by the processor of the device.
  • FIG. 11 is a schematic structural diagram of a communication device 1100 according to an embodiment of the present application.
  • the communication device 1100 shown in FIG. 11 includes a processor 1110, and the processor 1110 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the communication device 1100 may further include a memory 1120 .
  • the processor 1110 may call and run a computer program from the memory 1120 to implement the methods in the embodiments of the present application.
  • the memory 1120 may be a separate device independent of the processor 1110, or may be integrated in the processor 1110.
  • the communication device 1100 may further include a transceiver 1130, and the processor 1110 may control the transceiver 1130 to communicate with other devices, specifically, may send information or data to other devices, or receive other devices Information or data sent by a device.
  • the processor 1110 may control the transceiver 1130 to communicate with other devices, specifically, may send information or data to other devices, or receive other devices Information or data sent by a device.
  • the transceiver 1130 may include a transmitter and a receiver.
  • the transceiver 1130 may further include an antenna, and the number of the antenna may be one or more.
  • the communication device 1100 may be a terminal device in this embodiment of the present application, and the communication device 1100 may implement the corresponding processes implemented by the terminal device in each method in this embodiment of the present application, which is not repeated here for brevity.
  • the communication device 1100 may be a network device in this embodiment of the present application, and the communication device 1100 may implement the corresponding processes implemented by the network device in each method in this embodiment of the present application, which is not repeated here for brevity.
  • FIG. 12 is a schematic structural diagram of a chip 1200 according to an embodiment of the present application.
  • the chip 1200 shown in FIG. 12 includes a processor 1210, and the processor 1210 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the chip 1200 may further include a memory 1220 .
  • the processor 1210 may call and run a computer program from the memory 1220 to implement the methods in the embodiments of the present application.
  • the memory 1220 may be a separate device independent of the processor 1210, or may be integrated in the processor 1210.
  • the chip 1200 may further include an input interface 1230 .
  • the processor 1210 can control the input interface 1230 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the chip 1200 may further include an output interface 1240 .
  • the processor 1210 may control the output interface 1240 to communicate with other devices or chips, and specifically, may output information or data to other devices or chips.
  • the chip can be applied to the terminal device in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the terminal device in each method of the embodiment of the present application, which is not repeated here for brevity.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the network device in each method of the embodiment of the present application, which is not repeated here for brevity.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.
  • the processor mentioned above may be a general-purpose processor, a digital signal processor (DSP), a field programmable gate array (FPGA), an application specific integrated circuit (ASIC) or Other programmable logic devices, transistor logic devices, discrete hardware components, etc.
  • DSP digital signal processor
  • FPGA field programmable gate array
  • ASIC application specific integrated circuit
  • the general-purpose processor mentioned above may be a microprocessor or any conventional processor or the like.
  • the memory mentioned above may be either volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically programmable Erase programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
  • Volatile memory may be random access memory (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 (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is, the memory in the embodiments of the present application is intended to include but not limited to these and any other suitable types of memory.
  • the above-mentioned embodiments it may be implemented in whole or in part by software, hardware, firmware or any combination thereof.
  • software it can be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, all or part of the processes or functions described in the embodiments of the present application are generated.
  • the computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions may be stored on or transmitted from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions may be transmitted over a wire from a website site, computer, server or data center (eg coaxial cable, optical fiber, Digital Subscriber Line (DSL)) or wireless (eg infrared, wireless, microwave, etc.) means to another website site, computer, server or data center.
  • the computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that includes one or more available media integrated.
  • the available medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a DVD), or a semiconductor medium (eg, a Solid State Disk (SSD)), and the like.
  • a magnetic medium eg, a floppy disk, a hard disk, a magnetic tape
  • an optical medium eg, a DVD
  • a semiconductor medium eg, a Solid State Disk (SSD)
  • the size of the sequence numbers of the above-mentioned processes does not mean the sequence of execution, and the execution sequence of each process should be determined by its functions and internal logic, and should not be dealt with in the embodiments of the present application. implementation constitutes any limitation.

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

Abstract

Des modes de réalisation de la présente demande concernent un procédé de notification de capacité de terminal, ainsi qu'un dispositif terminal et un dispositif réseau. Le procédé comprend les étapes suivantes : un dispositif terminal envoie un premier message à un dispositif réseau, le premier message comportant des informations d'indication de capacité de terminal et des informations d'indication de mise sous/hors tension de capacité 5G, les informations d'indication de capacité de terminal servant à indiquer si le dispositif de terminal prend en charge la capacité 5G, et les informations d'indication d'activation/désactivation de capacité 5G servant à indiquer si la capacité 5G du dispositif terminal est activée ou non. Selon les modes de réalisation de la présente demande, les informations de capacité d'un dispositif terminal peuvent être notifiées à un dispositif réseau, ce qui permet au dispositif réseau de sélectionner un élément réseau approprié.
PCT/CN2021/085665 2021-04-06 2021-04-06 Procédé de notification de capacité de terminal, dispositif terminal et dispositif réseau WO2022213264A1 (fr)

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CN202180093737.0A CN116941326A (zh) 2021-04-06 2021-04-06 终端能力通知方法、终端设备和网络设备

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