WO2023137579A1 - Procédé et appareil de fourniture de service d'urgence, dispositif, et support de stockage - Google Patents

Procédé et appareil de fourniture de service d'urgence, dispositif, et support de stockage Download PDF

Info

Publication number
WO2023137579A1
WO2023137579A1 PCT/CN2022/072471 CN2022072471W WO2023137579A1 WO 2023137579 A1 WO2023137579 A1 WO 2023137579A1 CN 2022072471 W CN2022072471 W CN 2022072471W WO 2023137579 A1 WO2023137579 A1 WO 2023137579A1
Authority
WO
WIPO (PCT)
Prior art keywords
relay
terminal
relay terminal
emergency
message
Prior art date
Application number
PCT/CN2022/072471
Other languages
English (en)
Chinese (zh)
Inventor
卢飞
杨皓睿
郭雅莉
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/CN2022/072471 priority Critical patent/WO2023137579A1/fr
Publication of WO2023137579A1 publication Critical patent/WO2023137579A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point

Definitions

  • the embodiments of the present application relate to the technical field of communications, and in particular, to a method, device, device, and storage medium for providing emergency services.
  • U2N (UE-to-network, terminal to network) relay is to relay and transmit data for remote (remote) UE through a Relay UE (User Equipment, terminal equipment), so that Remote UE can communicate with the network.
  • Relay UE User Equipment, terminal equipment
  • Relay Service Code represents the service.
  • the core network element configures the corresponding relationship between RSC, DNN (Data Network Name, data network name) and slices for the Relay UE and Remote UE, so that the Remote UE can select the appropriate Relay UE for the service.
  • RSC Relay Service Code
  • DNN Data Network Name, data network name
  • the Remote UE needs to select the Relay UE first.
  • the core network element needs to configure whether the RSC can provide emergency services to the Relay UE and the Remote UE respectively.
  • the Remote UE cannot select the Relay UE that can provide the emergency service to perform the emergency service.
  • Embodiments of the present application provide a method, device, device, and storage medium for providing emergency services.
  • a relay device can send an RSC to a remote device and mark the RSC as supporting the emergency service, so that the remote terminal can select the relay terminal to perform the emergency service. Described technical scheme is as follows:
  • a method for providing an emergency service is provided, the method is performed by a relay terminal, and the method includes:
  • the first emergency service indication is used to instruct the RSC to support the emergency service.
  • a method for providing an emergency service is provided, the method is performed by a remote terminal, and the method includes:
  • the first message includes a relay service code RSC and a first emergency service indication, where the first emergency service indication is used to indicate that the RSC supports the emergency service;
  • an emergency service providing device is provided, the device is used to implement a relay terminal, and the device includes:
  • a first sending module configured to send a first message, where the first message includes a relay service code RSC and a first emergency service indication;
  • the first emergency service indication is used to instruct the RSC to support the emergency service.
  • an emergency service providing device is provided, the device is used to implement a remote terminal, and the device includes:
  • the second receiving module is configured to receive a first message sent by a relay terminal, where the first message includes a relay service code RSC and a first emergency service indication, where the first emergency service indication is used to indicate that the RSC supports the emergency service;
  • the second connection module is configured to establish a connection with the relay terminal when there is an emergency service demand, and the relay terminal is determined according to the first emergency service indication.
  • a terminal device includes a transceiver
  • the transceiver is configured to send a first message, where the first message includes a relay service code RSC and a first emergency service indication;
  • the first emergency service indication is used to instruct the RSC to support the emergency service.
  • a terminal device includes a transceiver and a processor connected to the transceiver;
  • the transceiver is configured to receive a first message sent by a relay terminal, where the first message includes a relay service code RSC and a first emergency service indication, where the first emergency service indication is used to indicate that the RSC supports the emergency service;
  • the processor is configured to establish a connection with the relay terminal when there is an emergency service demand, and the relay terminal is determined according to the first emergency service indication.
  • a computer-readable storage medium is provided, and a computer program is stored in the storage medium, and the computer program is used for execution by a processor to implement the above-mentioned method for providing emergency services on the relay terminal side, or to implement the above-mentioned method for providing emergency services on the remote terminal side.
  • a chip is provided, the chip includes a programmable logic circuit and/or program instructions, and when the chip is running, it is used to implement the above-mentioned method for providing emergency services on the relay terminal side, or to implement the above-mentioned method for providing emergency services on the remote terminal side.
  • a computer program product or computer program includes computer instructions, the computer instructions are stored in a computer-readable storage medium, and the processor reads and executes the computer instructions from the computer-readable storage medium, so as to realize the above-mentioned method for providing emergency services on the relay terminal side, or realize the above-mentioned method for providing emergency services on the remote terminal side.
  • the first message By sending the first message from the relay terminal to the remote terminal, the first message carries the RSC provided by the relay terminal and the first emergency service indication, and uses the first emergency service indication to instruct the RSC to support the emergency service, so that the remote terminal can establish a connection with the relay terminal to perform emergency services when there is an emergency service demand.
  • the remote terminal can select the relay terminal to perform emergency services according to the emergency service indication sent by the relay terminal.
  • FIG. 1 is a schematic diagram of a communication system provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a network architecture provided by an embodiment of the present application.
  • FIG. 3 is a system architecture diagram of a Layer 3 U2N relay provided by an embodiment of the present application.
  • FIG. 4 is a system architecture diagram of a layer-2 U2N relay provided by an embodiment of the present application.
  • FIG. 5 is a flowchart of a method for providing emergency services provided by an embodiment of the present application.
  • FIG. 6 is a flowchart of a method for providing emergency services provided by an embodiment of the present application.
  • FIG. 7 is a flowchart of a method for providing emergency services provided by an embodiment of the present application.
  • FIG. 8 is a flowchart of a method for providing emergency services provided by an embodiment of the present application.
  • FIG. 9 is a flowchart of a method for providing emergency services provided by an embodiment of the present application.
  • FIG. 10 is a flowchart of a method for providing emergency services provided by an embodiment of the present application.
  • Fig. 11 is a flowchart of a method for providing emergency services provided by an embodiment of the present application.
  • Fig. 12 is a flowchart of a method for providing emergency services provided by an embodiment of the present application.
  • Fig. 13 is a block diagram of an emergency service providing device provided by an embodiment of the present application.
  • Fig. 14 is a block diagram of an emergency service providing device provided by an embodiment of the present application.
  • Fig. 15 is a schematic structural diagram of a terminal device provided by an embodiment of the present application.
  • the network architecture and business scenarios described in the embodiments of the present application are for more clearly illustrating the technical solutions of the embodiments of the present application, and do not constitute limitations on the technical solutions provided by the embodiments of the present application.
  • Those of ordinary skill in the art know that with the evolution of the network architecture and the emergence of new business scenarios, the technical solutions provided by the embodiments of the present application are also applicable to similar technical problems.
  • FIG. 1 shows a block diagram of a communication system provided by an exemplary embodiment of the present application.
  • the communication system may include: a remote terminal 10 , a relay terminal 20 and a network device 30 .
  • the remote terminal 10 refers to a terminal device that performs sidelink communication with the relay terminal 20 and can then communicate with network devices/other remote terminals via the relay of the relay terminal 20 .
  • the number of remote terminals 10 is generally multiple, and one or more remote terminals 10 may be distributed in a cell managed by each network device 30 .
  • the remote terminal 10 may include various handheld devices, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to a wireless modem with wireless communication functions, as well as various forms of user equipment, mobile stations (Mobile Station, MS) and the like. For convenience of description, the devices mentioned above are collectively referred to as remote terminals.
  • the relay terminal 20 refers to a terminal device capable of performing sidelink communication with the remote terminal 10 .
  • the number of relay terminals 20 is generally multiple, and one or more relay terminals 20 may be distributed in a cell managed by each network device 30 .
  • the relay terminal 20 may include various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to wireless modems, as well as various forms of user equipment, mobile stations (Mobile Station, MS) and the like. For convenience of description, the devices mentioned above are collectively referred to as relay terminals.
  • the network device 30 is a device for providing wireless communication functions for the remote terminal 10 and the relay terminal 20 .
  • the network device 30 may include various forms of macro base stations, micro base stations, relay stations, access points and so on.
  • the name of the network device 30 may be different, for example, in a 5G NR system, it is called a 5G base station (5G Node B, gNodeB/gNB).
  • the connection between the remote terminal 10 and the relay terminal 20 is established through a side link, and can communicate with each other through a direct communication interface (such as a PC5 interface).
  • the relay terminal 20 can broadcast network device messages to the remote terminal through the side link, thereby realizing network relay.
  • the remote terminal 10 and the relay terminal 20 directly transmit communication data through the side link, which is different from receiving or sending communication data through network equipment in a traditional cellular system.
  • This transmission process has the characteristics of short delay and low overhead, and is suitable for communication between two terminals with close geographical location (such as vehicle equipment and other peripheral equipment with close geographical location).
  • the network device 30 and the relay terminal 20 communicate with each other through some air technology, such as Uu interface.
  • the terminal devices (including the remote terminal 10 and the relay terminal 20 ) support broadcasting and sending discovery messages, so that other terminal devices can discover themselves by receiving the discovery messages.
  • 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
  • FDD Frequency Division Duplex
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • LTE-A New Radio
  • NR New Radio
  • NR Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • WLAN Wireless Local Area Networks
  • WiFi Wireless Fidelity
  • mobile communication systems will not only support traditional communication, but also support, for example, device-to-device (Device to Device, D2D) communication, machine-to-machine (Machine to Machine, M2M) communication, machine type communication (Machine Type Communication, MTC), inter-vehicle (Vehicle to Vehicle, V2V) communication and Internet of Vehicles ( Vehicle to Everything, V2X) system, etc.
  • D2D Device to Device
  • M2M Machine to Machine
  • MTC Machine Type Communication
  • Vehicle to Vehicle V2V
  • V2X Vehicle to Everything
  • NCIS service as a new service form is introduced into the standard to carry out related standardized services.
  • NCIS services are mainly aimed at applications such as AR (Augmented Reality)/VR (Virtual Reality), games, etc., and have high requirements on service quality such as speed, delay, packet loss rate, and high-speed codec.
  • AR Augmented Reality
  • VR Virtual Reality
  • service quality such as speed, delay, packet loss rate, and high-speed codec.
  • 10Gbps Giga bits per second, gigabits per second
  • the session established for the NCIS service is an NCIS session, and UEs in the same NCIS session can be considered to form an NCIS group, for example: a team session in a game.
  • ProSe Proximity Services, short-distance service
  • NCIS Network-to-network relay scenario.
  • the U2N relay transmits data to the Remote UE through a Relay UE, so that the Remote UE can communicate with the network.
  • FIG. 2 is a schematic diagram of a network architecture provided by an embodiment of the present application.
  • the 5G network architecture released by the 3rd Generation Partnership Project (3rd Generation Partnership Project, 3GPP) standard group includes:
  • Access Network supporting 3GPP technology (including Radio Access Network, RAN or Access Network, AN), user plane function (User Plane Function, UPF) network element, access and mobility management function (Access and Mobility Management Function, AMF) network element, session management function (Session Management Function, SMF) network element, policy control function (Policy Control Function, PCF) network NE, Application Function (AF) NE, Data Network (DN) NE, Network Slice Selection Function (NSSF) NE, Authentication Server Function (AUSF) NE, and Unified Data Management (UDM) NE.
  • 3GPP technology including Radio Access Network, RAN or Access Network, AN
  • User Plane Function User Plane Function
  • AMF Access and Mobility Management Function
  • SMF Session Management Function
  • Policy Control Function Policy Control Function
  • PCF Policy Control Function
  • AF Application Function
  • DN Data Network
  • NSSF Network Slice Selection Function
  • AUSF Authentication Server Function
  • UDM Unified Data Management
  • the 5G network architecture shown in FIG. 5 does not constitute a limitation on the 5G network architecture. During specific implementation, the 5G network architecture may include more or less network elements than shown in the figure, or combine certain network elements. It should be understood that AN or RAN is represented in the form of (R)AN in FIG. 2 .
  • the terminal can be user equipment (User Equipment, UE), handheld terminal, notebook computer, subscriber unit (Subscriber Unit), cellular phone (Cellular Phone), smart phone (Smart Phone), wireless data card, personal digital assistant (Personal Digital Assistant, PDA) computer, tablet computer, wireless modem (modem), handheld device (handheld), laptop computer (Laptop Computer), cordless phone (C Ordless Phone) or wireless local loop (Wireless Local Loop, WLL) station, machine type communication (Machine Type Communication, MTC) terminal, handheld device with wireless communication function, computing device, processing device connected to a wireless modem, unmanned aerial vehicle, vehicle-mounted device, wearable device, terminal in the Internet of Things, virtual reality device, terminal device in the future 5G network, future evolution of the public land mobile network (Public Land Mobile Network, PLMN) terminal etc.
  • UE User Equipment
  • handheld terminal notebook computer
  • Subscriber unit Subscriber Unit
  • cellular phone Cellular Phone
  • Smart Phone Smart Phone
  • wireless data card personal digital assistant (Personal Digital Assistant, P
  • the access network device is the access device that the terminal accesses to the network architecture through wireless means. It is mainly responsible for wireless resource management, Quality of Service (QoS) management, data compression and encryption on the air interface side.
  • QoS Quality of Service
  • base station NodeB evolved base station eNodeB
  • base station in 5G mobile communication system or new generation wireless (New Radio, NR) communication system base station in future mobile communication system, etc.
  • the UPF network element, the AMF network element, the SMF network element, and the PCF network element are network elements of the 3GPP core network (referred to as core network elements).
  • UPF network elements can be called user plane functional network elements, which are mainly responsible for the transmission of user data.
  • Other network elements can be called control plane functional network elements, which are mainly responsible for authentication, authentication, registration management, session management, mobility management, and policy control, etc., to ensure reliable and stable transmission of user data.
  • the UPF network element can be used to forward and receive terminal data.
  • the UPF network element can receive service data from the data network and transmit it to the terminal through the access network device; the UPF network element can also receive user data from the terminal through the access network device and forward it to the data network.
  • the transmission resource allocated and scheduled by the UPF network element for the terminal is managed and controlled by the SMF network element.
  • the bearer between the terminal and the UPF network element may include: the user plane connection between the UPF network element and the access network device, and the establishment of a channel between the access network device and the terminal.
  • the user plane connection is a quality of service (Quality of Service, QoS) flow (flow) that can establish transmission data between the UPF network element and the access network device.
  • QoS Quality of Service
  • the AMF network element can be used to manage the terminal's access to the core network, such as: terminal location update, network registration, access control, terminal mobility management, terminal attachment and detachment, etc.
  • the AMF network element may also provide storage resources on the control plane for the session of the terminal when providing services for the session, so as to store the session identifier, the SMF network element identifier associated with the session identifier, and the like.
  • the SMF network element can be used to select the user plane network element for the terminal, redirect the user plane network element for the terminal, assign an Internet Protocol (Internet Protocol, IP) address to the terminal, establish a bearer (also called a session) between the terminal and the UPF network element, modify and release the session, and control QoS.
  • IP Internet Protocol
  • PCF network elements are used to provide policies to AMF network elements and SMF network elements, such as QoS policies and slice selection policies.
  • the AF network element is used to interact with the 3GPP core network element to support application-influenced data routing, access network open functions, and interact with the PCF network element for policy control, etc.
  • the DN can provide users with data services such as the IP Multi-Media Service (IP Multi-Media Service, IMS) network and the Internet.
  • IP Multi-Media Service IP Multi-Media Service
  • IMS IP Multi-Media Service
  • AS Application Server
  • NSSF is used for the selection of network slices.
  • the functions supported are: select the network slice instance set serving the UE; determine the allowed network slice selection assistance information (Network Slice Selection Assistance Information, NSSAI), and determine the mapping to the contracted single network slice selection assistance information (Single-Network Slice Selection Assistance Information, S-NSSAI) when necessary; determine the configured NSSAI, and determine the contracted S-NSSAI) if necessary NSSAI mapping; determine the AMF set that may be used to query the UE, or determine the list of candidate AMFs based on configuration.
  • NSSAI Network Slice Selection Assistance Information
  • S-NSSAI Single-Network Slice Selection Assistance Information
  • the AUSF is used to receive the request from the AMF to authenticate the terminal, request a key from the UDM, and then forward the issued key to the AMF for authentication processing.
  • UDM includes functions such as generation and storage of user subscription data, management of authentication data, and supports interaction with external third-party servers.
  • Fig. 3 is a system architecture diagram of a Layer 3 U2N relay provided by the embodiment of the present application.
  • a PC5 link is established between the remote terminal 10 and the relay terminal 20, and the relay terminal 20 uses a PDU (Protocol Data Unit, protocol data unit) session to relay data from the remote terminal 10 for the remote terminal 10.
  • PDU Protocol Data Unit
  • protocol data unit Protocol Data Unit
  • each PDU session has a type, for example: IPv4, IPv6, Ethernet (Ethernet), Unstructured (unstructured). Only data of this type can be transmitted using the corresponding PDU session.
  • FIG. 4 is a system architecture diagram of a Layer 2 (L2, layer 2) U2N relay provided by an embodiment of the present application.
  • the remote terminal 10 and the relay terminal 20 have their own core network elements: AMF, SMF, UPF, etc.
  • the configuration parameters can come from PCF (Policy Control Function, policy control network element) or application server, or the configuration parameters are pre-configured on the terminal or in the SIM card.
  • PCF Policy Control Function, policy control network element
  • application server or the configuration parameters are pre-configured on the terminal or in the SIM card.
  • Relay discovery can have two methods: Model A (mode A) and Model B (mode B).
  • Model A is that the Relay UE actively broadcasts the RSC that can provide relay services.
  • UE1 is a Relay UE, and UE1 broadcasts an announcement message.
  • the announcement message includes the RSC that UE1 can provide relay services.
  • UE2, UE3, and UE4 are Remote UEs.
  • the Remote UE listens to the announcement message broadcast by the Relay UE, and selects the Relay UE to establish a connection according to the RSC in the announcement message.
  • the Remote UE first sends out the RSC it needs. If there is a Relay UE around that can support RSC, the Relay UE will reply to the Remote UE.
  • UE5 is a Remote UE
  • UE5 broadcasts a solicitation message
  • the request message includes the RSC required by UE5
  • UE2, UE3, and UE4 are Relay UEs
  • the Relay UE listens to the request message broadcast by the Remote UE. If the Relay UE can provide the RSC required by the Remote UE, it sends a response message to the Remote UE.
  • the Relay UE and the Remote UE establish a PC5 connection.
  • the Relay Service Code can represent the service.
  • the core network element configures the corresponding relationship between RSC, DNN (Data Network Name, and data network name) and slices for the UE, so that the Remote UE can select the appropriate relay for the service.
  • the Remote UE needs to use emergency services, the Remote UE also needs to select a Relay UE first.
  • the core network element In order to enable the Remote UE to select a suitable Relay UE, the core network element also needs to configure whether the RSC can provide emergency services.
  • the network element of the core network pre-configures the RSC to the Remote UE and the Relay UE, and indicates whether the RSC supports emergency services.
  • the Relay UE broadcasts the RSC.
  • the Remote UE monitors the RSC, it determines whether the RSC supports emergency services according to the configuration of the core network elements. If it supports the emergency services, the Remote UE can establish a connection with the RelayUE to perform emergency services.
  • the Remote UE broadcasts the RSC configured by the network elements of the core network to support emergency services.
  • the Relay UE can provide the RSC, the Relay UE sends a response message to the Remote UE, and the Remote UE selects a Relay UE from the Relay UEs that sent the response message to establish a connection to perform emergency services.
  • the core network element needs to configure the RSC corresponding to the emergency service for the Remote UE or the Relay UE, but the Remote UE may not be able to configure the RSC corresponding to the emergency service for the Remote UE in some scenarios (for example, the Remote UE is not inserted with a SIM (Subscriber Identity Module, Subscriber Identity Card)).
  • the embodiment of the present application provides a method for providing emergency services, which can enable the remote terminal to select a relay terminal supporting emergency services to perform emergency services when the network element of the core network cannot configure an RSC supporting emergency services for the remote terminal.
  • FIG. 7 shows a flowchart of a method for providing emergency services provided by an embodiment of the present application.
  • the method can be executed by a relay terminal in the communication system shown in FIG. 1 .
  • the method may include the steps of:
  • Step 210 Send a first message, where the first message includes the RSC and the first emergency service indication.
  • the first emergency service indication (emergency service indication) is used to instruct the RSC to support emergency services.
  • the first emergency service indication may also be used to indicate whether the RSC supports emergency services.
  • the first emergency service indication may also be used to indicate the type of emergency service supported by the RSC.
  • the first message includes an RSC, and the first emergency service indication is used to indicate that the RSC supports emergency services.
  • the first message may also include multiple RSCs, where each RSC supporting the emergency service corresponds to a first emergency service indication, or, the first emergency service indication is used to indicate at least one RSC supporting the emergency service.
  • the RSC in the first message is the RSC of the relay service that the relay terminal can provide.
  • the relay terminal may send multiple first messages respectively, and each first message includes one RSC.
  • the relay terminal may also send a first message, where the first message includes multiple RSCs.
  • the relay discovery procedure is mode A
  • the first message is a relay discovery announcement message
  • the relay terminal broadcasts the relay discovery announcement message
  • the relay discovery announcement message includes the RSC and the first emergency service indication.
  • the relay terminal is an announcer (announcing), and the remote terminal is a monitor (monitoring).
  • the relay discovery announcement message may also include announcer information (Announcer Info), and the announcer information includes relay terminal information.
  • the first message is a relay discovery response message.
  • the relay terminal receives the relay discovery request message sent by the remote terminal, where the relay discovery request message includes a second emergency service indication, and the second emergency service indication is used to indicate that the remote terminal has an emergency service demand.
  • the relay terminal sends a relay discovery response message, where the relay discovery response message includes the RSC and the first emergency service indication.
  • the relay terminal is a discoveree
  • the remote terminal is a discoverer.
  • the relay discovery request message can also include discoverer information (Discoverer Info), and the discoverer information includes remote terminal information;
  • the relay discovery response message can also include discoveree information (Discoveree Info), and the discoverer information includes relay terminal information.
  • the relay terminal may receive the configuration information sent by the core network equipment, the configuration information includes the RSC of the relay service that the relay terminal can provide, and an indication of whether the RSC supports emergency services. Or, if the relay terminal cannot receive the configuration information sent by the core network device, the relay terminal itself indicates that any RSC provided by itself supports emergency services. That is, the relay terminal sends an RSC of any relay service and carries the first emergency service indication.
  • the first message by sending the first message from the relay terminal to the remote terminal, the first message carries the RSC provided by the relay terminal and the first emergency service indication, and uses the first emergency service indication to instruct the RSC to support the emergency service, so that the remote terminal can establish a connection with the relay terminal and perform emergency services when there is an emergency service demand.
  • the remote terminal can select the relay terminal to perform emergency services according to the emergency service indication sent by the relay terminal.
  • FIG. 8 shows a flowchart of a method for providing emergency services provided by an embodiment of the present application.
  • the method can be executed by a remote terminal in the communication system shown in FIG. 1 .
  • the method may include the steps of:
  • Step 310 Receive the first message sent by the relay terminal, where the first message includes the RSC and the first emergency service indication.
  • the remote terminal receives a message sent by at least one relay terminal, or, the remote terminal receives at least one message sent by a relay terminal.
  • some messages carry emergency service indications (first emergency service indications).
  • the first message is a relay discovery announcement message.
  • the remote terminal monitors the relay discovery announcement message broadcast by the relay terminal.
  • Step 320 When there is an emergency service demand, establish a connection with the relay terminal, and the relay terminal is determined according to the first emergency service indication.
  • the remote terminal learns that the relay terminal can provide the relay service supporting the emergency service according to the first emergency service indication in the first message, and then the remote terminal may select the relay terminal to establish a connection to perform the emergency service.
  • the remote terminal selects a relay terminal from at least one relay terminal sending the first emergency service indication, and establishes a connection with it to execute the emergency service.
  • the first message by sending the first message from the relay terminal to the remote terminal, the first message carries the RSC provided by the relay terminal and the first emergency service indication, and uses the first emergency service indication to instruct the RSC to support the emergency service, so that the remote terminal can establish a connection with the relay terminal and perform emergency services when there is an emergency service demand.
  • the remote terminal can select the relay terminal to perform emergency services according to the emergency service indication sent by the relay terminal.
  • FIG. 9 shows a flowchart of a method for providing emergency services provided by an embodiment of the present application. This method is applied to the communication system shown in FIG. 1 .
  • the method may include the steps of:
  • Step 401 the relay terminal broadcasts a relay discovery announcement message.
  • the Relay UE sends a U2N relay discovery Announcement (relay discovery announcement) message;
  • the U2N relay discovery Announcement message includes Announcer Info (used to indicate the information of the announcer), RSC, and emergency service indication (used to indicate that the RSC can provide emergency services).
  • Relay UE allocates source Layer 2 ID (source layer 2 address) and destination Layer 2 ID (destination layer 2 address) for U2N relay discovery Announcement.
  • the destination Layer 2 ID for sending the U2N relay discovery Announcement message can be a Layer 2 ID with all 1s (layer 2 address) or other Layer 2 IDs.
  • the relay terminal allocates a first source layer 2 address and/or a first destination layer 2 address for the relay discovery announcement message; wherein, the first destination layer 2 address is all 1s, or, the first destination layer 2 address is all 0s, or, the first destination layer 2 address is any layer 2 address.
  • the first source layer 2 address is the source address of the relay discovery announcement message.
  • the first destination layer 2 address is the destination address of the relay discovery announcement message.
  • the relay terminal assigns a destination address of the relay discovery announcement message, and the remote terminal monitors the relay discovery announcement message on the destination address.
  • the Remote UE can select a Relay UE that supports the emergency service to access according to the emergency service indication in the U2N relay discovery Announcement message.
  • the technical solution provided by the embodiment of this application uses the relay terminal to broadcast the relay discovery announcement message, carries the RSC provided by the relay terminal and the first emergency service indication in the relay discovery announcement message, and uses the first emergency service indication to instruct the RSC to support the emergency service, so that the remote terminal can establish a connection with the relay terminal and perform the emergency service when there is an emergency service demand.
  • FIG. 10 shows a flowchart of a method for providing emergency services provided by an embodiment of the present application. This method is applied to the communication system shown in FIG. 1 .
  • the method may include the steps of:
  • Step 501 The remote terminal broadcasts a relay discovery request message.
  • the Remote UE sends a U2N relay discovery Solicitation (relay discovery request) message; the U2N relay discovery Solicitation message includes Discoverer Info (used to indicate the information of the discoverer), and emergency service indication (used to indicate that the Remote UE needs to initiate an emergency service).
  • the U2N relay discovery Solicitation message includes Discoverer Info (used to indicate the information of the discoverer), and emergency service indication (used to indicate that the Remote UE needs to initiate an emergency service).
  • the Remote UE allocates a source Layer 2 ID and a destination Layer 2 ID for the U2N relay discovery Solicitation message, and the destination Layer 2 ID for sending the U2N relay discovery Solicitation message can be a Layer 2 ID of all 1s or another Layer 2 ID.
  • the remote terminal allocates a second source layer 2 address and/or a second destination layer 2 address for the relay discovery request message; wherein, the second destination layer 2 address is all 1s, or, the second destination layer 2 address is all 0s, or, the second destination layer 2 address is any layer 2 address.
  • the second source layer 2 address is the source address of the relay discovery request message.
  • the second destination layer 2 address is the destination address of the relay discovery request message.
  • the remote terminal allocates a destination address of the relay discovery request message, and the relay terminal monitors the relay discovery request message on the destination address.
  • Step 502 the relay terminal sends a relay discovery response message to the remote terminal.
  • the Relay UE that supports emergency services returns a U2N relay Discovery Response (relay discovery response) message to the Remote UE.
  • the U2N relay Discovery Response message includes Discoveree Info (used to indicate the information of the discovered person), RSC, and emergency service indication (used to indicate that the RSC in the message can provide emergency services).
  • the destination Layer 2 ID for sending the U2N relay Discovery Response message is the source Layer 2 ID of the U2N relay discovery Solicitation message in step 501, and the Relay UE allocates the source Layer 2 ID for sending the U2N relay Discovery Response message.
  • the relay terminal determines the second source Layer 2 address of the relay discovery request message as the third destination Layer 2 address of the relay discovery response message; and allocates the third source Layer 2 address for the relay discovery response message.
  • the third source layer 2 address is the source address of the relay discovery response message.
  • the third destination layer 2 address is the destination address of the relay discovery response message.
  • the source address of the relay discovery request message is the destination address of the relay discovery response message.
  • the technical solution provided by the embodiment of this application uses the remote terminal to broadcast the relay discovery request message, and carries the second emergency service indication in the relay discovery request message.
  • the second emergency service indication is used to indicate that the remote terminal has an emergency service demand.
  • the relay terminal supporting the emergency service replies with the relay discovery response message.
  • the relay discovery response message carries the RSC provided by the relay terminal and the first emergency service indication.
  • the first emergency service indication is used to instruct the RSC to support the emergency service, so that the remote terminal selects a relay terminal supporting the emergency service to establish a connection and execute the emergency service.
  • the relay terminal may also send an emergency registration indication to the remote terminal.
  • FIG. 11 shows a flowchart of a method for providing emergency services provided by an embodiment of the present application. This method is applied to the communication system shown in FIG. 1 .
  • the method may include the steps of:
  • Step 601 The relay terminal initiates a registration process and performs emergency registration.
  • the Relay UE registers first. This registration process is an emergency registration.
  • the emergency registration occurs when the authentication process fails, the Relay UE is in a forbidden area (restricted area), and the UE itself does not have a valid SIM card inserted.
  • the relay terminal performs emergency registration; or, when the relay terminal is in a restricted area, the relay terminal performs emergency registration; or, when the relay terminal is not inserted with a valid SIM card, the relay terminal performs emergency registration.
  • this embodiment provides a parameter: emergency registration indication, which is used to assist the remote terminal to select a relay terminal to establish a connection.
  • the remote terminal can preferentially select a normally registered relay terminal to access to ensure communication security.
  • Step 602 the relay terminal broadcasts a relay discovery announcement message.
  • the Relay UE uses Model A to perform the U2N relay discovery process
  • the Relay UE sends a U2N relay discovery Announcement message
  • the Relay UE allocates a source Layer 2 ID and a destination Layer 2 ID for the U2N relay discovery Announcement, and the destination Layer 2 ID for sending the U2N relay discovery Announcement message can be all 1
  • the U2N relay discovery Announcement message includes Announcer Info, RSC, emergency service indication and emergency registration indication.
  • the emergency registration indication is used to indicate that the Relay UE is an unauthenticated UE or that the registration process initiated by the Relay UE is an emergency registration.
  • the first message also includes an emergency registration indication; the emergency registration indication is used to indicate that the relay terminal is an unauthenticated terminal, or is used to indicate that the registration process initiated by the relay terminal is an emergency registration.
  • Step 603 the remote terminal broadcasts a relay discovery request message.
  • the Remote UE sends a U2N relay discovery Solicitation message; the Remote UE allocates a source Layer 2 ID and a destination Layer 2 ID for the U2N relay discovery Solicitation message, and sends a U2N relay discovery Solicitation message to the destination Layer 2
  • the ID can be a Layer 2 ID of all 1s or other Layer 2 IDs; the U2N relay discovery Solicitation message includes Discoverer Info and emergency service instructions.
  • Step 604 the relay terminal sends a relay discovery response message to the remote terminal.
  • the Relay UE that supports emergency services returns a U2N relay Discovery Response message to the Remote UE, and the destination Layer 2 ID for sending the U2N relay Discovery Response message is the source Layer 2 ID in step 603, and the Relay UE assigns a source Layer 2 ID for sending the U2N relay Discovery Response message; U2N relay Discover y
  • the Response message includes Discoveree Info, RSC, and emergency service instructions.
  • the U2N relay Discovery Response message also includes an emergency registration indication, which is used to indicate that the Relay UE is an unauthenticated UE or that the registration process initiated by the Relay UE is an emergency registration.
  • the first message also includes an emergency registration indication; the emergency registration indication is used to indicate that the relay terminal is an unauthenticated terminal, or is used to indicate that the registration process initiated by the relay terminal is an emergency registration.
  • the emergency registration indication means that the signaling sent between the Remote UE and the Relay UE cannot be protected safely. In this way, the Remote UE can select the Relay UE according to the emergency registration indication. Since the emergency registration indication means that the security cannot be guaranteed, the Remote UE can preferentially select other Relay UEs to serve it when there are other Relay UEs providing emergency services.
  • step 601 and step 602 are performed; when the relay discovery process is mode B, step 601, step 603 and step 604 are performed.
  • the emergency registration indication is carried in the first message sent by the relay terminal to inform the remote terminal that the relay terminal is an emergency registered terminal, and communication security cannot be guaranteed, so that the remote terminal preferentially selects a normally registered relay terminal to perform emergency services.
  • the relay terminal when the relay terminal becomes in an emergency registration state, the relay terminal may also send a state change indication to the remote terminal.
  • FIG. 12 shows a flowchart of a method for providing emergency services provided by an embodiment of the present application. This method is applied to the communication system shown in FIG. 1 .
  • the method may include the steps of:
  • Step 701 the relay terminal initiates a registration process.
  • the Relay UE Before the Relay UE performs the U2N relay discovery process, it first registers, and this registration process is a normal registration.
  • Step 702 the relay terminal broadcasts a relay discovery announcement message.
  • the Relay UE uses Model A to perform the U2N relay discovery process
  • the Relay UE sends a U2N relay discovery Announcement message
  • the Relay UE allocates a source Layer 2 ID and a destination Layer 2 ID for the U2N relay discovery Announcement message, and the destination Layer 2 ID for sending the U2N relay discovery Announcement message can be All 1 Layer 2 ID or other Layer 2 ID
  • U2N relay discovery Announcement message includes Announcer Info, RSC, and emergency service indication.
  • Step 703 The remote terminal broadcasts a relay discovery request message.
  • the Remote UE sends a U2N relay discovery Solicitation message; the Remote UE allocates a source Layer 2 ID and a destination Layer 2 ID for the U2N relay discovery Solicitation message, and sends a U2N relay discovery Solicitation message to the destination Layer 2
  • the ID can be a Layer 2 ID of all 1s or other Layer 2 IDs; the U2N relay discovery Solicitation message includes Discoverer Info and emergency service instructions.
  • Step 704 the relay terminal sends a relay discovery response message to the remote terminal.
  • the Relay UE that supports emergency services returns a U2N relay Discovery Response message to the Remote UE, and the destination Layer 2 ID for sending the U2N relay Discovery Response message is the source Layer 2 ID in step 703, and the Relay UE allocates a source Layer 2 ID for sending the U2N relay Discovery Response message; U2N relay Discover y
  • the Response message includes Discoveree Info, RSC, and emergency service instructions.
  • the Remote UE selects the Relay UE to access and establish a PC5 connection. That is, the remote terminal establishes a connection with the relay terminal.
  • Step 705 The relay terminal receives the terminal configuration instruction sent by the AMF.
  • the state of the Relay UE changes to the emergency registration state.
  • the AMF finds that the Relay UE moves to the forbidden area, the AMF notifies the Relay UE to enter the emergency registration state through a UE configuration command (configuration command) message.
  • the relay terminal determines that the state of the relay terminal has changed to an emergency registration state
  • the relay terminal receives the terminal configuration instruction sent by the core network element (AMF network element), the terminal configuration instruction is used to instruct the relay terminal to enter the emergency registration state, and the terminal configuration instruction is sent by the core network element when it is determined that the relay terminal moves to a restricted area.
  • AMF network element AMF network element
  • the relay terminal determines that the state of the relay terminal has changed to an emergency registration state
  • the relay terminal receives the authentication rejection instruction sent by the core network element (AMF network element), the authentication rejection instruction is used to instruct the relay terminal to enter the emergency registration state, and the authentication rejection instruction is sent by the core network element when the authentication fails due to re-authentication.
  • AMF network element AMF network element
  • Step 706 the relay terminal sends a state change indication to the remote terminal.
  • the relay terminal When the relay terminal enters the emergency registration state, the relay terminal sends a state change indication to the remote terminal, where the state change indication is used to instruct the relay terminal to enter the emergency registration state.
  • the Relay UE informs the Remote UE that it has entered the emergency registration state through PC5 signaling. Since the emergency registration indication means that the security cannot be guaranteed, the Remote UE can decide whether to maintain the connection with the Relay UE according to the status change indication. If the Remote UE chooses to release the PC5 connection, the Remote UE can preferentially reselect other Relay UEs to serve it when there are other Relay UEs providing emergency services.
  • the remote terminal sends a connection release instruction to the relay terminal based on the state change indication, and the relay terminal receives the connection release instruction sent by the remote terminal; the relay terminal releases the connection with the remote terminal.
  • step 701, step 702, step 705 and step 706 are performed; when the relay discovery process is mode B, step 701, step 703, step 704, step 705 and step 706 are performed.
  • the relay terminal after the remote terminal establishes a connection with the relay terminal, if the registration status of the relay terminal changes to the emergency registration status, the relay terminal sends a status change indication to the remote terminal to inform the remote terminal that the relay terminal is currently in the emergency registration status. If there are other relay terminals that can provide emergency services, the remote terminal can disconnect from the current relay terminal and establish connections with other relay terminals to perform emergency services to ensure communication security.
  • the technical solutions of the present application are introduced and described mainly from the perspective of interaction between the relay terminal and the remote terminal.
  • the above-mentioned steps performed by the relay terminal can be independently implemented as a method for providing emergency services on the relay terminal side; the above-mentioned steps performed by the remote terminal can be independently implemented as a method for providing emergency services on the remote terminal side.
  • FIG. 13 shows a block diagram of an emergency service providing apparatus provided by an embodiment of the present application.
  • the device has the function of implementing the above example method on the relay terminal side, and the function may be implemented by hardware, or by executing corresponding software on the hardware.
  • the device may be the relay terminal described above, or may be set in the relay terminal. As shown in Figure 13, the device may include:
  • the first sending module 801 is configured to send a first message, where the first message includes a relay service code RSC and a first emergency service indication;
  • the first emergency service indication is used to instruct the RSC to support the emergency service.
  • the first message includes a relay discovery announcement message; the first sending module 801 is configured to broadcast the relay discovery announcement message.
  • the first message includes a relay discovery response message; the first sending module 801 is configured to send the relay discovery response message to a remote terminal.
  • the apparatus further includes: a first receiving module 802, configured to receive a relay discovery request message sent by the remote terminal, where the relay discovery request message includes a second emergency service indication, and the second emergency service indication is used to indicate that the remote terminal has an emergency service requirement; the first sending module 801 is configured to send the relay discovery response message to the remote terminal when the relay terminal supports the emergency service.
  • the relay terminal is an announcer; the relay discovery announcement message further includes announcer information, and the announcer information includes information about the relay terminal.
  • the relay terminal is a discovered person; the relay discovery response message further includes information about the discovered person, and the information about the discovered person includes information about the relay terminal.
  • the remote terminal is a discoverer; the relay discovery request message further includes discoverer information, and the discoverer information includes information about the remote terminal.
  • the device further includes: a first allocation module 804, configured to allocate a first source layer 2 address and/or a first destination layer 2 address for the relay discovery announcement message; wherein, the first destination layer 2 address is all 1s, or the first destination layer 2 address is all 0s, or the first destination layer 2 address is any layer 2 address.
  • a first allocation module 804 configured to allocate a first source layer 2 address and/or a first destination layer 2 address for the relay discovery announcement message; wherein, the first destination layer 2 address is all 1s, or the first destination layer 2 address is all 0s, or the first destination layer 2 address is any layer 2 address.
  • the apparatus further includes: a first assignment module 804, configured to determine the second source Layer 2 address of the relay discovery request message as the third destination Layer 2 address of the relay discovery response message; and allocate a third source Layer 2 address for the relay discovery response message.
  • a first assignment module 804 configured to determine the second source Layer 2 address of the relay discovery request message as the third destination Layer 2 address of the relay discovery response message; and allocate a third source Layer 2 address for the relay discovery response message.
  • the first message further includes an emergency registration indication; the emergency registration indication is used to indicate that the relay terminal is an unauthenticated terminal, or is used to indicate that the registration process initiated by the relay terminal is an emergency registration.
  • the device further includes: a registration module 805, configured to perform emergency registration when the authentication fails; or, the registration module 805, configured to perform the emergency registration when the relay terminal is in a restricted area; or, the registration module 805, configured to perform the emergency registration when the relay terminal is not inserted into a valid user identification SIM card.
  • the first sending module 801 is configured to send a state change indication to a remote terminal when the relay terminal enters an emergency registration state, and the state change indication is used to instruct the relay terminal to enter an emergency registration state.
  • the apparatus further includes: a state module 806, configured to determine that the state of the relay terminal has changed to the emergency registration state when the relay terminal moves to a restricted area; or, a state module 806, configured to determine that the state of the relay terminal has changed to the emergency registration state when re-authentication on the network side results in an authentication failure.
  • the device further includes: a first receiving module 802, configured to receive a terminal configuration instruction sent by a core network element, where the terminal configuration instruction is used to instruct the relay terminal to enter the emergency registration state, and the terminal configuration instruction is sent by the core network element when it is determined that the relay terminal moves to a restricted area.
  • a first receiving module 802 configured to receive a terminal configuration instruction sent by a core network element, where the terminal configuration instruction is used to instruct the relay terminal to enter the emergency registration state, and the terminal configuration instruction is sent by the core network element when it is determined that the relay terminal moves to a restricted area.
  • the apparatus further includes: a first receiving module 802, configured to receive an authentication rejection instruction sent by a core network element, the authentication rejection instruction being used to instruct the relay terminal to enter the emergency registration state, and the authentication rejection instruction is sent by the core network element when authentication fails due to re-authentication.
  • a first receiving module 802 configured to receive an authentication rejection instruction sent by a core network element, the authentication rejection instruction being used to instruct the relay terminal to enter the emergency registration state, and the authentication rejection instruction is sent by the core network element when authentication fails due to re-authentication.
  • the apparatus further includes: a first connection module 803, configured to establish a connection with the remote terminal.
  • the apparatus further includes: a first receiving module 802, configured to receive a connection release instruction sent by the remote terminal; a first connection module 803, configured to release the connection with the remote terminal.
  • FIG. 14 shows a block diagram of an emergency service providing apparatus provided by an embodiment of the present application.
  • the device has the function of realizing the above-mentioned method example on the remote terminal side, and the function may be realized by hardware, or may be realized by executing corresponding software by hardware.
  • the device may be the remote terminal described above, or may be set in the remote terminal. As shown in Figure 14, the device may include:
  • the second receiving module 902 is configured to receive a first message sent by a relay terminal, where the first message includes a relay service code RSC and a first emergency service indication, where the first emergency service indication is used to indicate that the RSC supports the emergency service;
  • the second connection module 904 is configured to establish a connection with the relay terminal when there is an emergency service demand, and the relay terminal is determined according to the first emergency service indication.
  • the first message includes a relay discovery announcement message; the second receiving module 902 is configured to receive the relay discovery announcement message broadcast by the relay terminal.
  • the first message includes a relay discovery response message.
  • the relay discovery response message is sent when the relay terminal supports the emergency service
  • the apparatus further includes: a second sending module 901, configured to send a relay discovery request message to the relay terminal, where the relay discovery request message includes a second emergency service indication, and the second emergency service indication is used to indicate that the remote terminal has an emergency service demand.
  • the relay terminal is an announcer; the relay discovery announcement message further includes announcer information, and the announcer information includes information about the relay terminal.
  • the relay terminal is a discovered person; the relay discovery response message further includes information about the discovered person, and the information about the discovered person includes information about the relay terminal.
  • the remote terminal is a discoverer; the relay discovery request message further includes discoverer information, and the discoverer information includes information about the remote terminal.
  • the device further includes: a second allocation module 903, configured to allocate a second source layer 2 address and/or a second destination layer 2 address for the relay discovery request message; wherein, the second destination layer 2 address is all 1s, or the second destination layer 2 address is all 0s, or the second destination layer 2 address is any layer 2 address.
  • a second allocation module 903 configured to allocate a second source layer 2 address and/or a second destination layer 2 address for the relay discovery request message; wherein, the second destination layer 2 address is all 1s, or the second destination layer 2 address is all 0s, or the second destination layer 2 address is any layer 2 address.
  • the apparatus further includes: a selection module 905, configured to select the relay terminal supporting the emergency service according to the first emergency service indication when there is an emergency service demand; and the second connection module 904, configured to establish a connection with the relay terminal.
  • the first message further includes an emergency registration indication; the emergency registration indication is used to indicate that the relay terminal is an unauthenticated terminal, or is used to indicate that the registration process initiated by the relay terminal is an emergency registration.
  • the selection module 905 is configured to select the relay terminal supporting the emergency service according to the first emergency service indication and the emergency registration indication when there is an emergency service demand; the second connection module 904 is configured to establish a connection with the relay terminal.
  • the second receiving module 902 is configured to receive a state change indication sent by the relay terminal, where the state change indication is used to instruct the relay terminal to enter an emergency registration state.
  • the state change indication is sent by the relay terminal when the relay terminal moves to a restricted area; or, the state change indication is sent by the relay terminal when the network side re-authentication results in authentication failure.
  • the second connection module 904 is configured to determine whether to maintain the connection with the relay terminal according to the state change indication.
  • the apparatus further includes: a second sending module 901, configured to send a connection release instruction to the relay terminal according to the state change indication; and the second connection module 904, configured to release the connection with the relay terminal.
  • the device provided in the above embodiment implements its functions, it only uses the division of the above-mentioned functional modules as an example for illustration.
  • the above-mentioned function allocation can be completed by different functional modules according to actual needs, that is, the content structure of the device is divided into different functional modules, so as to complete all or part of the functions described above.
  • FIG. 15 shows a schematic structural diagram of a terminal device provided by an embodiment of the present application.
  • the terminal device may include: a processor 1001 , a receiver 1002 , a transmitter 1003 , a memory 1004 and a bus 1005 .
  • the processor 1001 includes one or more processing cores, and the processor 1001 executes various functional applications and information processing by running software programs and modules.
  • the receiver 1002 and the transmitter 1003 can be realized as a transceiver 1006, and the transceiver 1006 can be a communication chip.
  • the memory 1004 is connected to the processor 1001 through a bus 1005 .
  • the memory 1004 may be used to store a computer program, and the processor 1001 is used to execute the computer program, so as to implement various steps performed by the terminal device in the foregoing method embodiments.
  • the memory 1004 can be realized by any type of volatile or nonvolatile storage device or their combination.
  • the volatile or nonvolatile storage device includes but is not limited to: RAM (Random-Access Memory, random access memory) and ROM (Read-Only Memory, read-only memory), EPROM (Erasable Programmable Read-Only Memory, erasable programmable read-only memory), EEPROM (Electrically Erasable Prog rammable Read-Only Memory, electrically erasable programmable read-only memory), flash memory or other solid-state storage technology, CD-ROM (Compact Disc Read-Only Memory, CD-ROM), DVD (Digital Video Disc, high-density digital video disc) or other optical storage, tape cartridges, tapes, disk storage or other magnetic storage devices.
  • RAM Random-Access Memory, random access memory
  • ROM Read-Only Memory, read-only memory
  • EPROM Erasable Programmable Read-Only Memory, erasable programmable read-only memory
  • the processor and the transceiver involved in the embodiment of the present application may execute the steps performed by the relay terminal in any of the methods shown in FIG. 7 to FIG. 12 above, which will not be repeated here.
  • the terminal device when the terminal device is implemented as a relay terminal,
  • the transceiver is configured to send a first message, where the first message includes a relay service code RSC and a first emergency service indication;
  • the first emergency service indication is used to instruct the RSC to support the emergency service.
  • the processor and the transceiver involved in the embodiment of the present application may execute the steps performed by the remote terminal in any of the methods shown in FIG. 7 to FIG. 12 above, which will not be repeated here.
  • the transceiver is configured to receive a first message sent by a relay terminal, where the first message includes a relay service code RSC and a first emergency service indication, where the first emergency service indication is used to indicate that the RSC supports the emergency service;
  • the processor is configured to establish a connection with the relay terminal when there is an emergency service demand, and the relay terminal is determined according to the first emergency service indication.
  • the embodiment of the present application also provides a computer-readable storage medium, where a computer program is stored in the storage medium, and the computer program is used to be executed by a processor of a relay terminal, so as to implement the above method for providing emergency services on the relay terminal side.
  • the embodiment of the present application also provides a computer-readable storage medium, where a computer program is stored in the storage medium, and the computer program is used to be executed by a processor of a remote terminal, so as to implement the above method for providing emergency services on the remote terminal side.
  • the computer-readable storage medium may include: ROM (Read-Only Memory, read-only memory), RAM (Random-Access Memory, random access memory), SSD (Solid State Drives, solid state drive) or an optical disc, etc.
  • the random access memory may include ReRAM (Resistance Random Access Memory, resistive random access memory) and DRAM (Dynamic Random Access Memory, dynamic random access memory).
  • the embodiment of the present application also provides a chip, the chip includes a programmable logic circuit and/or program instructions, and when the chip runs on the relay terminal, it is used to implement the above method for providing emergency services on the relay terminal side.
  • the embodiment of the present application also provides a chip, the chip includes a programmable logic circuit and/or program instructions, and when the chip runs on the remote terminal, it is used to implement the above method for providing emergency services on the remote terminal side.
  • An embodiment of the present application also provides a computer program product or computer program, the computer program product or computer program includes computer instructions, the computer instructions are stored in a computer-readable storage medium, and the processor of the relay terminal reads and executes the computer instructions from the computer-readable storage medium, so as to implement the above-mentioned method for providing emergency services on the relay terminal side.
  • the embodiment of the present application also provides a computer program product or computer program, where the computer program product or computer program includes computer instructions, the computer instructions are stored in a computer-readable storage medium, and the processor of the remote terminal reads and executes the computer instructions from the computer-readable storage medium, so as to implement the above method for providing emergency services on the remote terminal side.
  • the "indication" mentioned in the embodiments of the present application may be a direct indication, may also be an indirect indication, and may also mean that there is an association relationship.
  • a indicates B which may mean that A directly indicates B, for example, B can be obtained through A; it may also indicate that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it may also indicate that there is an association relationship between A and B.
  • the term "corresponding" may indicate that there is a direct or indirect correspondence between the two, or that there is an association between the two, or that it indicates and is indicated, or configures and is configured.
  • the "plurality” mentioned herein means two or more.
  • “And/or” describes the association relationship of associated objects, indicating that there may be three types of relationships, for example, A and/or B may indicate: A exists alone, A and B exist simultaneously, and B exists independently.
  • the character “/” generally indicates that the contextual objects are an "or” relationship.
  • the numbering of the steps described in this document only exemplifies a possible sequence of execution among the steps.
  • the above-mentioned steps may not be performed in accordance with the sequence of numbers, for example, two steps with different numbers are performed at the same time, or steps with two different numbers are performed in the reverse order as shown in the illustration, which is not limited in this embodiment of the present application.
  • the functions described in the embodiments of the present application may be implemented by hardware, software, firmware or any combination thereof.
  • the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium.
  • Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another.
  • a storage media may be any available media that can be accessed by a general purpose or special purpose computer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Management (AREA)
  • Environmental & Geological Engineering (AREA)
  • Public Health (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente demande relève du domaine technique des communications et divulgue un procédé et un appareil de fourniture de service d'urgence, un dispositif, et un support de stockage. Le procédé est réalisé par un terminal relais. Le procédé consiste à : envoyer un premier message, le premier message comprenant un code de service de relais (RSC) et une première indication de service d'urgence, et la première indication de service d'urgence étant utilisée pour indiquer que le RSC prend en charge le service d'urgence. Dans le procédé, un dispositif relais envoie le RSC à un dispositif distant et il est noté que le RSC prend en charge le service d'urgence, de sorte qu'un terminal distant sélectionne un terminal relais pour exécuter le service d'urgence.
PCT/CN2022/072471 2022-01-18 2022-01-18 Procédé et appareil de fourniture de service d'urgence, dispositif, et support de stockage WO2023137579A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/072471 WO2023137579A1 (fr) 2022-01-18 2022-01-18 Procédé et appareil de fourniture de service d'urgence, dispositif, et support de stockage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/072471 WO2023137579A1 (fr) 2022-01-18 2022-01-18 Procédé et appareil de fourniture de service d'urgence, dispositif, et support de stockage

Publications (1)

Publication Number Publication Date
WO2023137579A1 true WO2023137579A1 (fr) 2023-07-27

Family

ID=87347559

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/072471 WO2023137579A1 (fr) 2022-01-18 2022-01-18 Procédé et appareil de fourniture de service d'urgence, dispositif, et support de stockage

Country Status (1)

Country Link
WO (1) WO2023137579A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109819428A (zh) * 2017-11-20 2019-05-28 华为技术有限公司 处理业务的方法和装置
US20190230723A1 (en) * 2016-09-05 2019-07-25 Lg Electronics Inc. Method for performing service request procedure in wireless communication system and device therefor
WO2021146685A1 (fr) * 2020-01-19 2021-07-22 Talebi Fard Peyman Sélection de nœud de relais
US20210282195A1 (en) * 2020-03-06 2021-09-09 Qualcomm Incorporated Layer 2 relay unicast link setup
US20210289391A1 (en) * 2020-03-13 2021-09-16 Qualcomm Incorporated Quality of service support for sidelink relay service

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190230723A1 (en) * 2016-09-05 2019-07-25 Lg Electronics Inc. Method for performing service request procedure in wireless communication system and device therefor
CN109819428A (zh) * 2017-11-20 2019-05-28 华为技术有限公司 处理业务的方法和装置
WO2021146685A1 (fr) * 2020-01-19 2021-07-22 Talebi Fard Peyman Sélection de nœud de relais
US20210282195A1 (en) * 2020-03-06 2021-09-09 Qualcomm Incorporated Layer 2 relay unicast link setup
US20210289391A1 (en) * 2020-03-13 2021-09-16 Qualcomm Incorporated Quality of service support for sidelink relay service

Similar Documents

Publication Publication Date Title
EP3965440A1 (fr) Procédé et appareil de communication de liaison latérale, et support de stockage
EP3509371B1 (fr) Procédé et dispositif de transmission de message
WO2018201506A1 (fr) Procédé de communication et dispositif associé
US11758002B2 (en) Session processing method, apparatus, and system
KR102469973B1 (ko) 통신 방법 및 장치
WO2022017285A1 (fr) Procédé, appareil et système d'acheminement de paquets
WO2020150876A1 (fr) Procédé d'établissement de session, dispositif terminal et dispositif de réseau
CN109845389B (zh) 一种通信方法及装置
US20230371111A1 (en) Communication method, apparatus, and system
KR20220044341A (ko) 보안 보호 모드 결정 방법 및 장치
US20220070967A1 (en) Communications method, apparatus, and system
EP4109975A1 (fr) Communication relative à une tranche de réseau
TWI836707B (zh) 用於使用具有服務品質之網路切片之跨用戶識別模組傳呼之方法及使用者設備
WO2023137579A1 (fr) Procédé et appareil de fourniture de service d'urgence, dispositif, et support de stockage
WO2021042381A1 (fr) Procédé, appareil et système de communication
KR20210105197A (ko) 무선 통신 시스템에서 서비스 품질을 지원하기 위한 방법 및 장치
CN118235448A (zh) 紧急业务的提供方法、装置、设备及存储介质
WO2023184193A1 (fr) Procédé et appareil de communication sans fil, dispositif, support de stockage et produit programme
WO2023125259A1 (fr) Procédé de création de fonction de réseau et dispositif de communication
EP4156795A1 (fr) Rejet de tranche de réseau au niveau de tai et amf
WO2024016173A1 (fr) Procédé et appareil de détermination de configuration de support de relais, dispositif, et support de stockage
US20240155418A1 (en) Method and apparatus for connecting qos flow based terminal in wireless communication system
WO2023164849A9 (fr) Procédé et appareil de communication sans fil, dispositif, support de stockage et produit programme
WO2023207357A1 (fr) Procédé de communication et appareil de communication
WO2024074148A1 (fr) Procédé de communication, appareil et système

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22921029

Country of ref document: EP

Kind code of ref document: A1