WO2024067398A1 - Procédé et dispositif de traitement de service d'urgence - Google Patents

Procédé et dispositif de traitement de service d'urgence Download PDF

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Publication number
WO2024067398A1
WO2024067398A1 PCT/CN2023/120716 CN2023120716W WO2024067398A1 WO 2024067398 A1 WO2024067398 A1 WO 2024067398A1 CN 2023120716 W CN2023120716 W CN 2023120716W WO 2024067398 A1 WO2024067398 A1 WO 2024067398A1
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WO
WIPO (PCT)
Prior art keywords
emergency
emergency service
relay terminal
terminal
remote terminal
Prior art date
Application number
PCT/CN2023/120716
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English (en)
Chinese (zh)
Inventor
邓强
Original Assignee
大唐移动通信设备有限公司
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Application filed by 大唐移动通信设备有限公司 filed Critical 大唐移动通信设备有限公司
Publication of WO2024067398A1 publication Critical patent/WO2024067398A1/fr

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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
    • H04W76/00—Connection management
    • H04W76/50—Connection management for emergency connections
    • 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
    • H04W88/04—Terminal devices adapted for relaying to or from another terminal or user

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to a method and device for processing emergency services.
  • relevant technologies define that when a terminal device directly accesses a network, the terminal device can learn from the network whether the current access network supports emergency services (Emergency Service), and under what circumstances the network supports terminal devices to request emergency services, thereby executing the emergency services required by the terminal device.
  • Emergency Service Emergency Services
  • the remote terminal cannot register with the network and cannot obtain information related to the emergency service, the remote terminal cannot obtain the emergency service from the network.
  • the embodiments of the present disclosure provide a method and device for processing emergency services, so as to solve the problem in the related art that a remote terminal cannot obtain emergency services.
  • an embodiment of the present disclosure provides a method for processing an emergency service, which is applied to a remote terminal, including:
  • a first message for establishing the emergency service is sent to the target relay terminal.
  • the second emergency service information includes any one of the following or a combination thereof:
  • the second emergency service support identifier includes: a second emergency relay service code.
  • the second PDU session parameters include a second emergency service data network name DNN and/or second emergency service single network slice selection auxiliary information S-NSSAI.
  • the scenarios supported by the candidate relay terminal for providing emergency services to the remote terminal include any one of the following or a combination thereof:
  • IMSI International Mobile Subscriber Identity
  • the acquiring the second emergency service information corresponding to the candidate relay terminal includes:
  • the second emergency service information sent by the candidate relay terminal is received.
  • the determining the target relay terminal based on the first emergency service information and the second emergency service information includes:
  • the candidate relay terminal corresponding to the matched second emergency service information is determined as the target relay terminal.
  • an embodiment of the present disclosure provides a method for processing an emergency service, which is applied to a relay terminal, including:
  • Second emergency service information corresponding to the relay terminal is sent to the remote terminal, where the second emergency service information is used to determine a target relay terminal, and the target relay terminal supports providing the remote terminal with the emergency service that the remote terminal needs to execute.
  • the second emergency service information includes any one of the following or a combination thereof:
  • the second emergency service support identifier includes: a second emergency relay service code.
  • the second PDU session parameters include a second emergency service data network name DNN and/or second emergency service single network slice selection auxiliary information S-NSSAI.
  • the situations in which the relay terminal supports providing emergency services to the remote terminal include any one of the following or a combination thereof:
  • IMSI International Mobile Subscriber Identity
  • the method before the sending the second emergency service information corresponding to the relay terminal to the remote terminal, the method further includes:
  • the method further includes:
  • a first message sent by the remote terminal and used for establishing an emergency service that the remote terminal needs to execute is received.
  • an embodiment of the present disclosure further provides an emergency service processing device, which is applied to a remote terminal, including:
  • a first acquiring unit configured to acquire second emergency service information corresponding to a candidate relay terminal
  • a first determining unit configured to determine a target relay terminal based on first emergency service information and the second emergency service information, wherein the first emergency service information corresponds to an emergency service that the remote terminal needs to perform;
  • the first sending unit is configured to send a first message for establishing the emergency service to the target relay terminal.
  • the second emergency service information includes any one of the following or a combination thereof:
  • the second emergency service support identifier includes: a second emergency relay service code.
  • the second PDU session parameters include a second emergency service data network name DNN and/or second emergency service single network slice selection auxiliary information S-NSSAI.
  • the scenarios supported by the candidate relay terminal for providing emergency services to the remote terminal include any one of the following or a combination thereof:
  • IMSI International Mobile Subscriber Identity
  • the first acquiring unit includes:
  • the first receiving subunit is configured to receive second emergency service information sent by a candidate relay terminal.
  • the first determining unit includes:
  • a first determining subunit configured to determine second emergency service information matching the first emergency service information
  • the second determining subunit is configured to determine the candidate relay terminal corresponding to the matched second emergency service information as the target relay terminal.
  • an embodiment of the present disclosure further provides an emergency service processing device, which is applied to a relay terminal, including:
  • the second sending unit is used to send second emergency service information corresponding to the relay terminal to the remote terminal, where the second emergency service information is used to determine a target relay terminal, and the target relay terminal supports providing the remote terminal with the emergency service that the remote terminal needs to execute.
  • the device further comprises:
  • a first receiving unit is configured to receive a second emergency service support identifier sent by a policy control function PCF entity;
  • the second receiving unit is used to send the relay terminal to the access and mobility management AMF entity.
  • the relay capability information of the second PDU session parameters sent by the AMF entity and the situation of providing emergency services to the remote terminal is used to send the relay terminal to the access and mobility management AMF entity.
  • the device further comprises:
  • the third receiving unit is used to receive a first message sent by the remote terminal for establishing an emergency service that the remote terminal needs to execute.
  • an embodiment of the present disclosure further provides a remote terminal, including a memory, a transceiver, and a processor, wherein:
  • a memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations:
  • a first message for establishing the emergency service is sent to the target relay terminal.
  • the second emergency service information includes any one of the following or a combination thereof:
  • the second emergency service support identifier includes: a second emergency relay service code.
  • the second PDU session parameters include a second emergency service DNN and/or a second emergency service S-NSSAI.
  • the scenarios supported by the candidate relay terminal for providing emergency services to the remote terminal include any one of the following or a combination thereof:
  • IMSI International Mobile Subscriber Identity
  • the acquiring the second emergency service information corresponding to the candidate relay terminal includes:
  • the second emergency service information sent by the candidate relay terminal is received.
  • the determining the target relay terminal based on the first emergency service information and the second emergency service information includes:
  • the candidate relay terminal corresponding to the matched second emergency service information is determined as the target relay terminal.
  • the embodiment of the present disclosure further provides a relay terminal, including a memory, a transceiver and a processor, wherein:
  • a memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations:
  • Second emergency service information corresponding to the relay terminal is sent to the remote terminal, where the second emergency service information is used to determine a target relay terminal, and the target relay terminal supports providing the remote terminal with the emergency service that the remote terminal needs to execute.
  • the method before the sending the second emergency service information corresponding to the relay terminal to the remote terminal, the method further includes:
  • the method further includes:
  • a first message sent by the remote terminal and used for establishing an emergency service that the remote terminal needs to execute is received.
  • an embodiment of the present disclosure further provides a processor-readable storage medium, wherein the processor-readable storage medium stores a computer program, and the computer program is used to enable the processor to execute the emergency service processing method described in the first aspect or the emergency service processing method described in the second aspect.
  • the emergency service processing method and device provided in the embodiment of the present disclosure can be applied to relay scenarios, such as Layer-3 UE-to-Network Relay, where the remote terminal obtains the first emergency service information and the second emergency service information, and transmits the first emergency service information and the second emergency service information to the remote terminal.
  • the target relay terminal is determined and a request is made to the target relay terminal to establish an emergency service, so that the remote terminal can communicate with the network with the help of the PDU session of the target relay terminal.
  • the target relay terminal provides data transmission for the remote terminal, so that the remote terminal can obtain emergency service support, solving the problem of the remote terminal being unable to perform emergency services due to the inability to directly access the network.
  • FIG1 is a schematic diagram of a network architecture provided by the present disclosure.
  • FIG2 is a schematic diagram of a process of a remote terminal communicating with a network via a relay terminal provided by the present disclosure
  • FIG3 is a flow chart of a method for processing emergency services provided in an embodiment of the present disclosure
  • FIG4 is a second flow chart of a method for processing emergency services provided by an embodiment of the present disclosure.
  • FIG5 is a third flow chart of a method for processing emergency services provided in an embodiment of the present disclosure.
  • FIG6 is a fourth flow chart of a method for processing emergency services provided in an embodiment of the present disclosure.
  • FIG7 is a schematic diagram of a structure of an emergency service processing device according to an embodiment of the present disclosure.
  • FIG8 is a second structural diagram of the emergency service processing device provided in an embodiment of the present disclosure.
  • FIG9 is a schematic diagram of the structure of a remote terminal provided in an embodiment of the present disclosure.
  • FIG. 10 is a schematic diagram of the structure of a relay terminal provided in an embodiment of the present disclosure.
  • the term "and/or” describes the association relationship of associated objects, indicating that three relationships may exist.
  • a and/or B may represent three situations: A exists alone, A and B exist at the same time, and B exists alone.
  • the character "/" generally indicates that the associated objects before and after are in an "or” relationship.
  • plurality in the embodiments of the present disclosure refers to two or more than two, and other quantifiers are similar thereto.
  • 5G Fifth Generation Mobile Communication Technology
  • applicable systems may be global system of mobile communication (GSM) system, code division multiple access (CDMA) system, wideband code division multiple access (WCDMA) general packet radio service (GPRS) system, long term evolution (LTE) system, LTE frequency division duplex (FDD) system, LTE time division duplex (TDD) system, long term evolution advanced (LTE-A) system, universal mobile telecommunication system (UMTS), worldwide interoperability for microwave access (WiMAX) system, 5G new radio (NR) system, etc.
  • 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 LTE frequency division duplex
  • TDD LTE time division duplex
  • LTE-A long term evolution advanced
  • UMTS universal mobile telecommunication system
  • WiMAX worldwide interoperability for microwave access
  • NR new radio
  • the terminal device involved in the embodiments of the present disclosure may be a device that provides voice and/or data connectivity to users, a handheld device with wireless connection function, or other processing devices connected to a wireless modem, etc.
  • the name of the terminal device may also be different.
  • the terminal device may be called a user equipment (UE).
  • the wireless terminal device can communicate with one or more core networks (CN) via a radio access network (RAN).
  • CN core networks
  • RAN radio access network
  • the wireless terminal device may be a mobile terminal device, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal device.
  • a wireless terminal device is a device that exchanges language and/or data with a wireless access network.
  • a Personal Communication Service (PCS) phone for example, a Personal Communication Service (PCS) phone, a cordless phone, a Session Initiated Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), and other devices.
  • PCS Personal Communication Service
  • SIP Session Initiated Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • a wireless terminal device may also be referred to as a system, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, an access point, a remote terminal device, an access terminal device, a user terminal device, a user agent, or a user device, which is not limited in the embodiments of the present disclosure.
  • the network device involved in the embodiments of the present disclosure may be a base station, which may include multiple cells providing services for the terminal.
  • the base station may also be called an access point, or may be a device in the access network that communicates with the wireless terminal device through one or more sectors on the air interface, or other names.
  • the network device may be used to interchange received air frames with Internet Protocol (IP) packets, and serve as a router between the wireless terminal device and the rest of the access network, wherein the rest of the access network may include an Internet Protocol (IP) communication network.
  • IP Internet Protocol
  • the network device may also coordinate the attribute management of the air interface.
  • the network device involved in the embodiments of the present disclosure may be a network device (Base Transceiver Station, BTS) in the Global System for Mobile communications (Global System for Mobile communications, GSM) or Code Division Multiple Access (Code Division Multiple Access, CDMA), or a network device (NodeB) in Wide-band Code Division Multiple Access (WCDMA), or an evolutionary network device (evolutional Node B, eNB or e-NodeB) in the long term evolution (long term evolution, LTE) system, a 5G base station (gNB) in the 5G network architecture (next generation system), or a home evolved Node B (Home evolved Node B, HeNB), a relay node, a home base station (femto), a pico base station (pico), etc., which is not limited in the embodiments of the present disclosure.
  • the network device may include a centralized unit (CU) node and a distributed unit (DU) node, and the centralized unit and the distributed unit may also be arranged geographical
  • Network devices and terminal devices can each use one or more antennas for multiple input multiple output (MIMO) transmission.
  • MIMO transmission can be single user MIMO (SU-MIMO) or multi-user MIMO (MU-MIMO).
  • MIMO transmission can be 2D-MIMO, 3D-MIMO, FD-MIMO or massive-MIMO, or it can be diversity transmission, precoded transmission or beamforming transmission, etc.
  • FIG1 is a schematic diagram of the network architecture provided by the present disclosure.
  • the UE when the UE is out of the network coverage or the Uu interface signal is poor, it cannot directly connect to the network. It can connect to the network through a UE with a relay function.
  • the former is called a layer 3 remote terminal (Layer-3 Remote UE, also called a remote terminal), and the latter is called a layer 3 relay terminal (Layer-3 Relay UE, also called a relay terminal).
  • Layer-3 Remote UE also called a remote terminal
  • Layer-3 Relay UE also called a relay terminal
  • the remote terminal is connected to the relay terminal through the direct communication (PC5) interface, and the relay terminal is connected to the access network through the UU interface.
  • PC5 direct communication
  • the access network can be the next generation radio access network (Next Generation Radio Access Network, NG-RAN), and the access is connected to the core network.
  • the core network can be a 5G core network (5G Core, 5GC), and the core network is connected to the data network through the N6 interface.
  • FIG. 2 is a schematic diagram of a process of a remote terminal communicating with a network through a relay terminal provided by the present disclosure, as shown in FIG. 2 :
  • the network registers the remote UE and the relay UE through the Access and Mobility Management Function (AMF) and the User Plane Function (UPF), and provides the remote UE and the relay UE with the parameters required for ProSe (Proximity Service) communication (communicating through the PC5 interface), such as the relay service code (Relay Service Code) used to select the relay terminal.
  • AMF Access and Mobility Management Function
  • UPF User Plane Function
  • the relay terminal establishes a relay protocol data unit (PDU session) of the Uu interface through the session management function (SMF), and the relay protocol PDU session is used to relay the data transmission of the remote terminal.
  • the relay terminal obtains the IPv6 prefix (IPv6prefix) from the network through the Internet Protocol Version 6 (IPv6) prefix proxy function.
  • IPv6prefix IPv6 prefix
  • the remote terminal performs the ProSe discovery process to discover the relay terminal.
  • the remote terminal selects the relay terminal and establishes one-to-one direct communication.
  • the communication interface between the remote terminal and the relay terminal is the PC5 interface. If the remote terminal needs to create a new PDU session, the relay terminal initiates a new PDU session establishment process.
  • the relay terminal assigns an IP address to the remote terminal.
  • the related art defines a method for a terminal to perform emergency services when the terminal directly accesses the network (that is, the terminal does not access the network through a relay terminal).
  • the AMF indicates the Emergency Service Support indicator to the terminal in the Registration Accept message, which is used to notify the terminal that the network supports emergency services, that is, the UE can request the network to conduct a PDU session for the emergency service.
  • the UE sets the request type Request Type to Emergency Request, which is used to indicate that the UE requests to establish a PDU session that supports emergency services.
  • the AMF selects the SMF that supports emergency services based on the indication and the Emergency Configuration Data to complete the PDU session establishment process, where the Emergency Configuration Data includes the Emergency single network slice selection assistance information (Single Network Slice Selection Assistance Information, S-NSSAI) and the Emergency data network name (Data Network Name, DNN).
  • S-NSSAI Single Network Slice Selection Assistance Information
  • DNN Data Network Name
  • the relevant technology also defines four different situations in which the terminal supports emergency services, including:
  • IMSI International Mobile Subscriber Identity
  • All UEs are allowed, including authenticated UEs, UEs with IMSI but unable to be authenticated, and UEs with only IMSI, can request emergency services.
  • the relevant technology defines that when a UE directly accesses a network (ie, the UE does not access the network through a relay terminal), the UE can learn from the network whether the currently accessed network supports emergency services, and under what circumstances the network supports the UE to request emergency services.
  • the remote terminal cannot establish its own PDU session, but communicates with the network with the help of the PDU session of the relay terminal. How the remote terminal selects a suitable relay terminal to support emergency services is a problem to be solved by the present disclosure.
  • FIG3 is a flowchart of a method for processing emergency services provided by an embodiment of the present disclosure. As shown in FIG3 , an embodiment of the present disclosure provides a method for processing emergency services, which is applied to a remote terminal and includes:
  • Step 310 obtaining second emergency service information corresponding to the candidate relay terminal
  • the candidate relay terminal refers to a relay terminal that can be discovered by the remote terminal
  • the second emergency service information refers to the emergency service information corresponding to the candidate relay terminal, such as the information related to the emergency service supported by the candidate relay terminal;
  • the second emergency service information may include: whether to support Emergency services, the type of emergency services required, and the parameters required to establish emergency services (such as the network that needs to be accessed, etc.).
  • the second emergency service information may be configured by the network, notified by the network, requested by the remote terminal to the candidate relay terminal, or sent by the candidate relay terminal to the remote terminal.
  • the remote terminal may have established a connection with the network or with the candidate relay terminal, and receive and save the second emergency service information related to the candidate relay terminal.
  • Step 320 determining a target relay terminal based on the first emergency service information and the second emergency service information, wherein the first emergency service information corresponds to the emergency service that the remote terminal needs to perform;
  • the first emergency service information is information related to the emergency service that the remote terminal needs to execute, such as whether the emergency service is supported, the required emergency service type, and the parameters required to establish the emergency service (such as the emergency service configuration data introduced above).
  • the first emergency service information may be configured by the network, notified by the network, or requested by the remote terminal to the relevant network function entity.
  • the candidate relay terminal may be able to establish a connection with the remote terminal, but due to the relay capability of the candidate relay terminal and the fact that the candidate relay terminal may be connected to different networks, the emergency service relay capabilities of different candidate relay terminals (i.e., whether different candidate relay terminals support providing emergency service relay for remote terminals) are different, and due to the different networks to which the candidate relay terminals are connected, whether the candidate relay terminals can provide emergency services for remote terminals is also different.
  • the remote terminal may select a candidate relay terminal that can provide the remote terminal with an emergency service relay service as a target relay terminal according to the first emergency service information and the second emergency service information.
  • Step 330 Send a first message for establishing the emergency service to the target relay terminal.
  • a first message is sent to the target relay terminal to request the target relay terminal to establish the emergency service for the remote terminal.
  • the emergency service refers to the emergency service that the remote terminal needs to execute.
  • the method for processing emergency services can be applied to relay scenarios, such as Layer-3 UE-to-Network Relay, and determines the target relay terminal through the first emergency service information and the second emergency service information, and requests the target relay terminal to establish the emergency service that the remote terminal needs to execute, thereby enabling the remote terminal to communicate with the network with the help of the PDU session of the target relay terminal, and the target relay terminal provides data transmission for the remote terminal, so that the remote terminal can obtain emergency service support, thereby solving the problem that the remote terminal cannot execute the required emergency service due to the inability to directly access the network.
  • relay scenarios such as Layer-3 UE-to-Network Relay
  • the first emergency service information includes any one of the following or a combination thereof:
  • the first protocol session unit PDU session parameter associated with the emergency service is the first protocol session unit PDU session parameter associated with the emergency service.
  • the emergency service support identifier can be used to identify whether the terminal supports emergency services
  • the first emergency service support identifier can be used to identify whether the remote terminal supports emergency services.
  • the first emergency service support identifier includes: a first emergency relay service code.
  • the emergency relay service code (Relay Service Code, RSC) can be used to identify that the terminal supports emergency service relay.
  • the first emergency relay service code refers to the emergency relay service code corresponding to the remote terminal. It should be understood that, for the remote terminal, the first emergency relay code can indicate that the remote terminal supports emergency services, and when the remote terminal sends the first emergency code to other terminals, the first emergency code can be used to indicate to other terminals that the remote terminal needs emergency services.
  • the PDU session parameters associated with the emergency service are first introduced:
  • a PDU associated with the emergency service may be established based on a user route selection policy (UE Route Selection Policy, URSP) rule.
  • UE Route Selection Policy UE Route Selection Policy
  • the terminal can select PDU session parameters such as DNN, S-NSSAI, session and service continuity (Session and Service Continuity Mode, SCC) mode and PDU session type to transmit emergency service data.
  • PDU session parameters such as DNN, S-NSSAI, session and service continuity (Session and Service Continuity Mode, SCC) mode and PDU session type to transmit emergency service data.
  • the first PDU session parameter refers to a PDU session parameter associated with an emergency service that needs to be executed by the remote terminal.
  • the first PDU session parameter includes:
  • S-NSSAI is used to uniquely identify network slices.
  • Network slicing is an on-demand networking method that allows operators to separate multiple virtual end-to-end networks on a unified infrastructure.
  • DNN can be applied to select SMF and UPF for PDU sessions, select N6 interface for PDU sessions, and determine the policy to be applied to this PDU session.
  • DNN can be applied together with S-NSSAI to allow terminals to access data networks supported in the network slice associated with S-NSSAI.
  • the emergency service S-NSSAI is used to identify the network slice associated with the emergency service; the emergency service DNN is used to identify the data network associated with the emergency service.
  • the first emergency service S-NSSAI refers to the emergency service S-NSSAI corresponding to the remote terminal, which can be understood as the S-NSSAI corresponding to the emergency service required by the remote terminal;
  • the first emergency service DNN refers to the emergency service DNN corresponding to the remote terminal, which can be understood as the DNN corresponding to the emergency service required by the remote terminal.
  • the second emergency service information includes any one of the following or a combination thereof:
  • the second emergency service support identifier refers to the emergency service support identifier corresponding to the candidate relay terminal, which is used to indicate whether the corresponding candidate relay terminal supports emergency services. It should be understood that since there can be multiple candidate relay terminals, each candidate relay terminal corresponds to a second emergency service support identifier, so there can also be multiple second emergency service support identifiers.
  • the second emergency service support identifier includes: a second emergency relay service code.
  • the second emergency relay service code refers to an emergency relay service code corresponding to the candidate relay terminal, and can be used to identify whether the candidate relay terminal supports the relay emergency service.
  • the second PDU session parameter associated with the emergency service refers to the PDU session parameter associated with the emergency service corresponding to the candidate relay terminal, which can be understood as the PDU session parameter associated with the emergency service supported by the candidate relay terminal.
  • each candidate relay terminal corresponds to a second PDU session parameter, and therefore there may also be multiple second PDU session parameters.
  • the second PDU session parameters include a second emergency service DNN and/or a second emergency service S-NSSAI.
  • the second emergency service S-NSSAI refers to the emergency service S-NSSAI corresponding to the candidate relay terminal, which can be understood as the S-NSSAI corresponding to the emergency service supported by the candidate relay terminal;
  • the second emergency service DNN refers to the emergency service DNN corresponding to the candidate relay terminal, which can be understood as the DNN corresponding to the emergency service supported by the candidate relay terminal.
  • the scenarios supported by the candidate relay terminal for providing emergency services to the remote terminal refer to the conditions under which the network allows the candidate relay terminal to provide emergency services to the remote terminal.
  • the scenarios supported by the candidate relay terminal for providing emergency services to the remote terminal include any one of the following or a combination thereof:
  • IMSI International Mobile Subscriber Identity
  • providing emergency services for the remote terminal may include two situations: a valid remote terminal and a registered remote terminal.
  • the valid remote terminal scenario means that the network only allows candidate relay terminals to relay emergency services for valid remote terminals, that is, only valid remote terminals can request emergency services, and does not support remote terminals in restricted service status to request emergency services.
  • a valid remote terminal means that the remote terminal has a legal contract and is authenticated and authorized to perform data services.
  • the registered remote terminal scenario means that the network only allows candidate relay terminals to relay emergency services for registered remote terminals, that is, the remote terminal must have a valid IMSI and be authenticated before it can request emergency services. Supports remote terminals in restricted service status to request emergency services.
  • IMSI International Mobile Subscriber Identity
  • Providing emergency services to all remote terminals means that the network allows the candidate relay terminal to relay emergency services for all remote terminals.
  • authenticated remote terminals, remote terminals with IMSI but unable to authenticate, and remote terminals with only IMSI can all request emergency services.
  • the method for processing emergency services is that the remote terminal can determine, through the first emergency service information and the second emergency service information, a candidate relay terminal that can support providing emergency services to the remote terminal, such as a candidate relay terminal with the ability to relay emergency services and the remote terminal meets the conditions for providing emergency services supported by the candidate relay terminal, thereby enabling the remote terminal to obtain emergency service support, solving the problem of the remote terminal being unable to perform emergency services due to the inability to directly access the network.
  • the acquiring the first emergency service information corresponding to the remote terminal and the second emergency service information corresponding to the candidate relay terminal includes:
  • the remote terminal can determine the PDU session parameters related to the emergency service based on the URSP rules, and the URSP rules only support provision by the Policy Control Function (PCF) entity, so the remote terminal can receive the first emergency service information through the PCF entity.
  • PCF Policy Control Function
  • the acquiring the first emergency service information corresponding to the remote terminal and the second emergency service information corresponding to the candidate relay terminal includes:
  • the second emergency service information sent by the candidate relay terminal is received.
  • the remote terminal can discover the candidate relay terminal and communicate with the candidate relay terminal, so the remote terminal can directly communicate with the candidate relay terminal to obtain the second emergency service information corresponding to the candidate relay terminal.
  • the second emergency service information is obtained by the candidate relay terminal through an access and mobility management function AMF entity and/or a policy control function PCF entity.
  • the candidate relay terminal can obtain the second emergency service information corresponding to the candidate relay terminal through the AMF entity and/or PCF entity to which the candidate relay terminal is connected. For example, the candidate relay terminal obtains the second PDU session parameters associated with the emergency service and/or the scenario supported by the candidate relay terminal to provide emergency services to the remote terminal through the AMF entity; the candidate relay terminal obtains the second emergency service support identifier through the PCF entity.
  • the receiving the second emergency service information sent by the candidate relay terminal includes:
  • the second emergency service information sent by the candidate relay terminal is received through a direct discovery message.
  • the remote terminal and the candidate relay terminal may communicate with each other through direct discovery messages.
  • Type A For example, two methods may be included: Type A and Type B:
  • the candidate relay terminal sends a broadcast Announcement message (it should be understood that a broadcast message is a direct communication message) on the corresponding frequency band according to the frequency point information received from the PCF, and the broadcast message carries the second emergency service information, thereby receiving the second emergency service information sent by the candidate relay terminal through the direct discovery message.
  • a broadcast Announcement message (it should be understood that a broadcast message is a direct communication message) on the corresponding frequency band according to the frequency point information received from the PCF, and the broadcast message carries the second emergency service information, thereby receiving the second emergency service information sent by the candidate relay terminal through the direct discovery message.
  • the remote terminal sends a Solicitation message (it should be understood that the request message is a direct communication message) on the corresponding frequency band according to the frequency information received from the PCF.
  • the Solicitation message is used to request the candidate relay terminal that receives the request message to return a Response message (it should be understood that the response message is a direct communication message) carrying the second emergency service information to the remote terminal; after receiving the request message, the candidate relay terminal returns a Response message carrying the second emergency service information to the remote terminal.
  • the second emergency service information sent by the candidate relay terminal is received through the direct discovery message.
  • the method for processing emergency services provided by the embodiment of the present disclosure enables the remote terminal to obtain second emergency service information through direct communication messages, thereby enabling the remote terminal to obtain relevant information about emergency services supported by the network to which the candidate relay terminal is connected, which is beneficial for the remote terminal to select a suitable candidate relay terminal (capable of providing emergency services) as the target relay terminal.
  • the determining a target relay terminal based on the first emergency service information and the second emergency service information includes:
  • the parameters in the first emergency service information can be matched one-to-one with the second emergency service information, and the second emergency service information with the same parameters as the first emergency service information is selected, such as the same emergency service support identifier, the same PDU session parameters associated with the emergency service, and the remote terminal meets the requirements supported by the candidate relay terminal to provide emergency services to the remote terminal.
  • the candidate relay terminal corresponding to the matched second emergency service information is determined as the target relay terminal.
  • type A and type B are taken as examples.
  • the candidate relay terminal sends a broadcast message carrying the second emergency service information on a corresponding frequency band according to the frequency point information received from the PCF.
  • the remote terminal monitors the broadcast message in the corresponding frequency band according to the frequency information received from the PCF.
  • the remote terminal parses the second emergency service information in the monitored broadcast information. If the monitored second emergency service information can correspond to the first emergency service information of the remote terminal, the remote terminal can determine that the candidate relay terminal (the candidate relay terminal corresponding to the matching second emergency service information) can provide the relay service of the emergency service that the remote terminal needs to initiate.
  • the remote terminal uses the candidate relay terminal (the candidate relay terminal corresponding to the matching second emergency service information) as the target relay terminal, and initiates a PC5 establishment request to the target relay terminal, thereby establishing a PC5 connection with the target relay terminal.
  • the remote terminal sends a request message carrying the second emergency service information on a corresponding frequency band according to the frequency point information received from the PCF.
  • the candidate relay terminal monitors the request message in the corresponding frequency band according to the frequency information received from the policy control network element. After the candidate relay terminal monitors the request message, it sends a response message carrying the second emergency service information to the remote terminal. If the second emergency service information received by the remote terminal corresponds to the first emergency service information locally at the remote terminal, the remote terminal can determine that the candidate relay terminal (the candidate relay terminal corresponding to the matching second emergency service information) can provide the relay service for the emergency service that the remote terminal needs to initiate. Optionally, the remote terminal uses the candidate relay terminal (the candidate relay terminal corresponding to the matching second emergency service information) as the target relay terminal, initiates a PC5 establishment request to the target relay terminal, and thereby establishes a PC5 connection with the target relay terminal.
  • the remote terminal selects a target relay terminal by matching the first emergency service information with the second emergency service information, and then obtains the emergency service that the terminal needs to execute from the network through the target relay terminal.
  • the first message includes the first emergency service support identifier, and the first emergency service identifier is used to trigger the target relay terminal to establish a PDU session corresponding to the first emergency service support identifier.
  • the remote terminal sends a first message to the target relay terminal, and the first message includes the first emergency service support identifier, which is used to trigger the target relay terminal to establish a PDU session corresponding to the first emergency service support identifier.
  • the PDU session is associated with the emergency service that the remote terminal needs to execute and is used to transmit emergency service data with the network.
  • the remote terminal transmits data with the network through the emergency service PDU session established by the target relay terminal, thereby realizing the acquisition of emergency services from the network through the target relay terminal.
  • FIG. 4 is a second flow chart of a method for processing emergency services provided by an embodiment of the present disclosure. As shown in FIG. 4 , an embodiment of the present disclosure provides a method for processing emergency services, which is applied to a relay terminal and includes:
  • Step 410 Send second emergency service information corresponding to the relay terminal to the remote terminal, where the second emergency service information is used to determine a target relay terminal that supports providing the remote terminal with the emergency service that the remote terminal needs to execute.
  • the relay terminal is a candidate relay terminal for the remote terminal.
  • the method for processing emergency services provided by the embodiment of the present disclosure, in which the relay terminal sends the second emergency service information to the remote terminal, solves the problem that the remote terminal cannot obtain the relevant information of the emergency services supported by the current network due to the inability to connect to the network, and enables the remote terminal to send the second emergency service information through the relay terminal, determine the relevant information of the emergency services supported by the current network, and select the relay terminal that can provide the emergency service to the remote terminal as the target relay terminal, thereby realizing the acquisition of emergency services from the network through the target relay terminal.
  • the second emergency service information includes any one of the following or a combination thereof:
  • the second emergency service support identifier includes: a second emergency relay service code.
  • the second PDU session parameters include a second emergency service data network name DNN and/or second emergency service single network slice selection auxiliary information S-NSSAI.
  • the situations in which the relay terminal supports providing emergency services to the remote terminal include any one of the following or a combination thereof:
  • IMSI International Mobile Subscriber Identity
  • the second protocol session unit PDU session parameters associated with the emergency service the scenarios supported by the relay terminal for providing emergency services to remote terminals, the second emergency relay service code, the second emergency service DNN and the second emergency service S-NSSAI, refer to the above introduction and will not be repeated here.
  • the method before the sending the second emergency service information corresponding to the relay terminal to the remote terminal, the method further includes:
  • the relay terminal obtains the policy and parameters for performing proximity services from the PCF entity, including the second emergency service support identifier.
  • the second emergency service support identifier indicates that the network supports emergency services.
  • the relay terminal sends a registration request message to the AMF entity.
  • the registration request message includes relay capability information.
  • the relay capability information is used to indicate that the UE has relay capability.
  • the AMF entity obtains the contract information of the relay terminal from the Unified Data Management (UDM) entity.
  • the contract information includes whether the relay terminal is allowed to provide emergency services to the remote terminal, and the circumstances in which the network allows the remote terminal to perform emergency services through the relay terminal (Emergency type), that is, the circumstances in which the relay terminal supports providing emergency services to the remote terminal.
  • the AMF entity can return the second PDU session parameters (such as the second emergency service DNN and the second emergency service S-NSSAI) and the situations (Emergency type) supported by the relay terminal to provide emergency services to the remote terminal in the Registration Accept message.
  • the second emergency service DNN and the second emergency service S-NSSAI indicate the DNN and slice information supported by the current network, and the Emergency type indicates the situation in which the network allows the remote terminal to perform emergency services through the relay terminal.
  • the relay terminal obtains the second emergency service information through the PCF entity and the AMF entity, so that the second emergency service information can be sent to the remote terminal.
  • the invention solves the problem that the remote terminal cannot obtain the relevant information of the emergency service supported by the current network due to the inability to connect to the network, so that the remote terminal can send the second emergency service information through the relay terminal to determine the relevant information of the emergency service supported by the current network, and select the relay terminal that can provide the emergency service to the remote terminal as the target relay terminal, so as to obtain the emergency service from the network through the target relay terminal.
  • sending second emergency service information for determining a target relay terminal to a remote terminal includes:
  • the second emergency service information is sent to the remote terminal through a direct discovery message.
  • the method further includes:
  • a first message sent by the remote terminal and used for establishing an emergency service that the remote terminal needs to execute is received.
  • the relay terminal receives a first message sent by the remote terminal.
  • an emergency service PDU session is established between the relay terminal and the network to perform emergency service relay for the remote terminal, and emergency service data is sent to the network for the remote terminal through the emergency service PDU session, and the emergency service data returned by the network is received and sent to the remote terminal.
  • the relay terminal at this time is the target relay terminal determined by the remote terminal.
  • the relay terminal transmits emergency service data to the remote terminal by establishing a PDU session, so that the remote terminal obtains the emergency service from the network through the relay terminal.
  • the first message carries a first emergency service support identifier
  • the first emergency service support identifier is used to trigger the relay terminal to establish a PDU session corresponding to the first emergency service support identifier.
  • the first message includes the first emergency service support identifier, which is used to trigger the target relay terminal to establish a PDU session corresponding to the first emergency service support identifier.
  • the PDU session is associated with the emergency service and is used to transmit emergency service data with the network.
  • the relay terminal transmits emergency service data to the remote terminal by establishing a PDU session, so that the remote terminal obtains the emergency service from the network through the relay terminal.
  • FIG5 is a flow chart of the third method for processing emergency services provided by the embodiment of the present disclosure.
  • the embodiment of the present disclosure provides a method for processing emergency services, and the relay terminal (hereinafter referred to as Relay UE) obtains the relevant information of the current network supporting emergency services from the AMF entity (hereinafter referred to as AMF).
  • AMF AMF entity
  • Relay UE sends a registration request message to AMF containing relay capability information.
  • the relay capability information is used to indicate that the UE has relay capability.
  • AMF obtains the contract information of Relay UE from the UDM entity (UDM for short), including whether Relay UE is allowed to provide emergency services to Remote UE (remote terminal) (relay emergency allowed), and the situations in which the network allows the remote terminal to perform emergency services through the relay terminal (Emergency type), that is, the situations in which the relay terminal supports and provides emergency services to the remote terminal.
  • UDM UDM entity
  • the situations in which the network allows the Remote UE to perform emergency services through the Relay UE include one or more of the following:
  • Valid remote terminals refer to: remote terminals that have legal contracts and are authenticated and authorized to perform data services.
  • Support only registered remote terminals The network only allows candidate relay terminals to relay emergency services for registered remote terminals, that is, the remote terminal must have a valid IMSI and be authenticated before it can request emergency services. Support remote terminals in restricted service status to request emergency services.
  • IMSI International Mobile Subscriber Identity
  • the network allows candidate relay terminals to relay emergency services for all remote terminals. For example, authenticated remote terminals, remote terminals with IMSI but unable to authenticate, and remote terminals with only IMSI can all request emergency services.
  • AMF determines that Relay UE can provide emergency services for Remote UE based on the relay capability information and contract information of Relay UE.
  • AMF returns the second emergency service DNN, the second emergency service S-NSSAI and the situation (Emergency type) supported by the relay terminal to provide emergency services to the remote terminal to Relay UE in the Registration Accept message.
  • the second emergency service DNN and the second emergency service S-NSSAI indicate the DNN and slice information supported by the current network.
  • Emergency type indicates the situation in which the network allows Remote UE to perform emergency services through Relay UE.
  • the present invention proposes a method for Layer-3 Remote UE to obtain through Layer-3 Relay whether the current network supports Emergency Service and what situations the Emergency Service is supported.
  • Figure 6 is a fourth flow chart of the method for processing emergency services provided by an embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a method for processing emergency services, which is used for the Remote UE to obtain relevant information about the current network supporting emergency services during the discovery process, and select the Relay UE to perform emergency services.
  • the Remote UE obtains the strategies and parameters for the neighboring services from the PCF entity, including the first emergency relay service code RSC and the first PDU session parameters associated with the emergency service, such as the first emergency service DNN, the first emergency service S-NSSAI, the first emergency service PDU session type, etc.
  • the first emergency relay service code indicates that the remote terminal connection service type is an emergency service.
  • the Discovery process is divided into two types: Type A and Type B.
  • the Relay UE sends a broadcast message, which includes the second emergency service information (second Emergency RSC, second Emergency DNN, second Emergency S-NSSAI, Emergency type), where the second Emergency RSC, second Emergency DNN, second Emergency S-NSSAI, and Emergency type are obtained by the Relay UE from the AMF during the registration process (the embodiment introduced in Figure 5).
  • second emergency service information second Emergency RSC, second Emergency DNN, second Emergency S-NSSAI, Emergency type
  • the Remote UE sends a Solicitation message to the Relay UE, which includes the first Emergency RSC.
  • the Relay UE returns a Response message to the Remote UE, which includes the second emergency service information (second Emergency RSC, second Emergency DNN, second Emergency S-NSSAI, Emergency type).
  • the second Emergency RSC, second Emergency DNN, second Emergency S-NSSAI, and Emergency type are obtained by the Relay UE from the AMF during the registration process (refer to the embodiment described in Figure 5).
  • the Relay UE can determine whether the Remote UE needs to perform the authentication process according to the Emergency type. If emergency services are provided for remote terminals with an International Mobile Subscriber Identity IMSI (IMSI required, authentication optional) or for all remote terminals (All UEs are allowed), it means that the Remote UE does not need to perform the authentication process.
  • IMSI International Mobile Subscriber Identity
  • the Relay UE can add an authentication not required indication in the response message during the discovery process. After receiving the indication, the Remote UE will no longer initiate the authentication process.
  • the relay terminal at this time is a candidate relay terminal.
  • the Remote UE selects a suitable candidate relay terminal as the target relay terminal, and needs to consider the following factors:
  • the first emergency service RSC and the associated first PDU session parameters (first emergency service DNN and/or first emergency service S-NSSAI) obtained by the Remote UE from the PCF can match the second Emergency DNN and the second Emergency S-NSSAI obtained in the discovery message.
  • the current status of the Remote UE (e.g. whether it has an IMSI, whether it is in a restricted service state, etc.) can satisfy one of the scenarios in the Emergency type.
  • the Remote UE establishes a PC5 connection with the target relay terminal.
  • the Remote UE includes the first Emergency RSC in the Direct Communication Request message (first message).
  • the target relay terminal establishes an emergency service PDU session.
  • the Remote UE can also establish a non-emergency service PDU session through the target relay terminal Relay UE. At this time, the Remote UE and the target relay terminal establish a separate PC5 connection. When the terminal is in the state of mobility restriction, it will initiate the release of non-emergency service sessions, but retain emergency service sessions.
  • the Remote UE’s data is forwarded through the target relay terminal.
  • the emergency service processing device provided in the embodiments of the present disclosure. Since the methods and devices provided in the embodiments of the present disclosure are based on the same application concept, the emergency service processing device and the emergency service processing method can refer to each other.
  • FIG. 7 is a schematic diagram of a structure of an emergency service processing device provided in an embodiment of the present disclosure.
  • the present disclosure provides an emergency service processing device, which can be applied to a remote terminal.
  • the device includes: a first acquisition unit 710, a first determination unit 720, and a first sending unit 730;
  • a first acquiring unit 710 is configured to acquire second emergency service information corresponding to a candidate relay terminal
  • a first determining unit 720 is configured to determine a target relay terminal based on first emergency service information and the second emergency service information, wherein the first emergency service information corresponds to an emergency service that the remote terminal needs to perform;
  • the first sending unit 730 is configured to send a first message for establishing the emergency service to the target relay terminal.
  • the first emergency service information includes any one of the following or a combination thereof:
  • the first protocol session unit (PDU) session parameter associated with the emergency service is the first protocol session unit (PDU) session parameter associated with the emergency service.
  • the first emergency service support identifier includes: a first emergency relay service code.
  • the first PDU session parameter includes:
  • the first emergency service data network name DNN and/or the first emergency service single network slice selection auxiliary information S-NSSAI are provided.
  • the second emergency service information includes any one of the following or a combination thereof:
  • the second emergency service support identifier includes: a second emergency relay service code.
  • the second PDU session parameters include a second emergency service DNN and/or a second emergency service S-NSSAI.
  • the scenarios supported by the candidate relay terminal for providing emergency services to the remote terminal include any one of the following or a combination thereof:
  • IMSI International Mobile Subscriber Identity
  • the first acquiring unit 710 includes:
  • the first receiving subunit is configured to receive the second emergency service information sent by the candidate relay terminal.
  • the first acquiring unit 710 includes:
  • the second receiving subunit is configured to receive the second emergency service information sent by the candidate relay terminal through a direct discovery message.
  • the first determining unit 720 includes:
  • a first determining subunit configured to determine second emergency service information matching the first emergency service information
  • the second determining subunit is configured to determine the candidate relay terminal corresponding to the matched second emergency service information as the target relay terminal.
  • the first message includes the first emergency service support identifier, and the first emergency service identifier is used to trigger the target relay terminal to establish a PDU session corresponding to the first emergency service support identifier.
  • each embodiment of the present disclosure is based on the same application concept. Since the principles of solving problems in the method for processing emergency services applied to remote terminals and the device for processing emergency services applied to remote terminals are similar and can achieve the same technical effects, the implementation of the device and the method can refer to each other, and the repeated parts will not be repeated.
  • FIG. 8 is a second structural diagram of an emergency service processing device provided in an embodiment of the present disclosure.
  • the present disclosure provides an emergency service processing device, which can be applied to a relay terminal.
  • the device includes: a second sending unit 810;
  • the second sending unit 810 is used to send second emergency service information corresponding to the relay terminal to the remote terminal, where the second emergency service information is used to determine a target relay terminal that supports providing the remote terminal with the emergency service that the remote terminal needs to execute.
  • the second emergency service information includes any one of the following or a combination thereof:
  • the second emergency service support identifier includes: a second emergency relay service code.
  • the second PDU session parameters include a second emergency service data network name DNN and/or second emergency service single network slice selection auxiliary information S-NSSAI.
  • the situations in which the relay terminal supports providing emergency services to the remote terminal include any one of the following or a combination thereof:
  • IMSI International Mobile Subscriber Identity
  • the device further comprises:
  • a first receiving unit is configured to receive a second emergency service support identifier sent by a policy control function PCF entity;
  • the second receiving unit is used to send the relay capability information of the relay terminal to the access and mobility management AMF entity, and receive the second PDU session parameters sent by the AMF entity and the situation of providing emergency services to the remote terminal.
  • the second sending unit 810 includes:
  • the first sending subunit is configured to send the second emergency service information to the remote terminal via a direct discovery message.
  • the device further comprises:
  • the third receiving unit is used to receive a first message sent by the remote terminal for establishing an emergency service that the remote terminal needs to execute.
  • the first message carries a first emergency service support identifier
  • the first emergency service support identifier is used to trigger the relay terminal to establish a PDU session corresponding to the first emergency service support identifier.
  • the methods and devices provided in the various embodiments of the present disclosure are based on the same application concept. Since the principles of solving problems by the method for processing emergency services applied to relay terminals and the device for processing emergency services applied to relay terminals are similar and can achieve the same technical effects, the implementation of the device and the method can refer to each other, and the repeated parts will not be repeated.
  • each functional unit in each embodiment of the present disclosure may be integrated into a processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.
  • the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a processor-readable storage medium.
  • the technical solution of the present disclosure is essentially or the part that contributes to the relevant technology or all or part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including several instructions to enable a computer device (which can be a personal computer, server, or network device, etc.) or a processor (processor) to perform all or part of the steps of the method described in each embodiment of the present disclosure.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), disk or optical disk and other media that can store program code.
  • FIG9 is a schematic diagram of the structure of a remote terminal provided in an embodiment of the present disclosure.
  • the remote terminal includes a memory 920, a transceiver 900, and a processor 910; wherein the processor 910 and the memory 920 may also be arranged physically separately.
  • the memory 920 is used to store computer programs; the transceiver 900 is used to send and receive data under the control of the processor 910; the processor 910 calls the computer program stored in the memory 920 to perform operations corresponding to any of the methods for processing emergency services applied to a remote terminal provided in the embodiments of the present disclosure according to the obtained executable instructions, for example:
  • a first message for establishing the emergency service is sent to the target relay terminal.
  • the transceiver 900 is used to receive and send data under the control of the processor 910 .
  • the bus interface 940 may include any number of interconnected buses and bridges, specifically connecting various circuits of one or more processors represented by the processor 910 and the memory represented by the memory 920.
  • the bus interface 940 may also connect various other circuits such as peripheral devices, voltage regulators, and power management circuits, which are well known in the art and are therefore not further described herein.
  • the bus interface provides an interface.
  • the transceiver 900 may be a plurality of components, namely, a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium, which transmission medium includes wireless channels, wired channels, optical cables, and other transmission media.
  • a user interface 930 may also be included, which may also be an interface capable of externally connecting or internally connecting required devices, and the connected devices include but are not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 910 is responsible for managing the bus architecture and general processing, and the memory 920 can store data used by the processor 910 when performing operations.
  • processor 910 can be a CPU (central processing unit), ASIC (Application Specific Integrated Circuit), FPGA (Field-Programmable Gate Array) or CPLD (Complex Programmable Logic Device), and the processor can also adopt a multi-core architecture.
  • CPU central processing unit
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • CPLD Complex Programmable Logic Device
  • the first emergency service information includes any one of the following or a combination thereof:
  • the first protocol session unit PDU session parameter associated with the emergency service is the first protocol session unit PDU session parameter associated with the emergency service.
  • the first emergency service support identifier includes: a first emergency relay service code.
  • the first PDU session parameter includes:
  • the first emergency service data network name DNN and/or the first emergency service single network slice selection auxiliary information S-NSSAI are provided.
  • the second emergency service information includes any one of the following or a combination thereof:
  • the second emergency service support identifier includes: a second emergency relay service code.
  • the second PDU session parameters include a second emergency service DNN and/or a second emergency service S-NSSAI.
  • the scenarios supported by the candidate relay terminal for providing emergency services to the remote terminal include any one of the following or a combination thereof:
  • IMSI International Mobile Subscriber Identity
  • the acquiring the second emergency service information corresponding to the candidate relay terminal includes:
  • the second emergency service information sent by the candidate relay terminal is received.
  • the receiving the second emergency service information sent by the candidate relay terminal includes:
  • the second emergency service information sent by the candidate relay terminal is received through a direct discovery message.
  • the determining a target relay terminal based on the first emergency service information and the second emergency service information includes:
  • the candidate relay terminal corresponding to the matched second emergency service information is determined as the target relay terminal.
  • the first message includes the first emergency service support identifier, and the first emergency service identifier is used to trigger the target relay terminal to establish a PDU session corresponding to the first emergency service support identifier.
  • the above-mentioned remote terminal provided in the embodiment of the present disclosure can implement all the method steps implemented in the above-mentioned embodiment of the method for processing emergency services applied to the remote terminal, and can achieve the same technical effect.
  • the parts and beneficial effects of this embodiment that are the same as the method embodiment will not be described in detail here.
  • FIG10 is a schematic diagram of the structure of a relay terminal provided in an embodiment of the present disclosure.
  • the relay terminal includes a memory 1020, a transceiver 1000, and a processor 1010; wherein the processor 1010 and the memory 1020 may also be arranged physically separately.
  • the memory 1020 is used to store computer programs; the transceiver 1000 is used to send and receive data under the control of the processor 1010; the processor 1010 calls the computer program stored in the memory 1020 to perform operations corresponding to any of the methods for processing emergency services applied to the relay terminal provided in the embodiments of the present disclosure according to the obtained executable instructions, for example:
  • Second emergency service information corresponding to the relay terminal is sent to the remote terminal, where the second emergency service information is used to determine a target relay terminal, and the target relay terminal supports providing the remote terminal with the emergency service that the remote terminal needs to execute.
  • the transceiver 1000 is used to receive and send data under the control of the processor 1010 .
  • the bus interface 1040 may include any number of interconnected buses and bridges, specifically connecting various circuits of one or more processors represented by the processor 1010 and the memory represented by the memory 1020.
  • the bus interface 1040 may also connect various other circuits such as peripheral devices, voltage regulators, and power management circuits, which are well known in the art and are therefore not further described herein.
  • the bus interface provides an interface.
  • the transceiver 1000 may be a plurality of components, namely, a transmitter and a receiver, and provide a unit for communicating with various other devices on a transmission medium, which transmission medium includes wireless channels, wired channels, optical cables, and other transmission media.
  • a user interface 1030 may also be included, which may also be an interface capable of externally connecting to required internal devices, and the connected devices include but are not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 1010 is responsible for managing the bus architecture and general processing, and the memory 1020 can store data used by the processor 1010 when performing operations.
  • processor 1010 can be a CPU (central processing unit), ASIC (Application Specific Integrated Circuit), FPGA (Field-Programmable Gate Array) or CPLD (Complex Programmable Logic Device), and the processor can also adopt a multi-core architecture.
  • CPU central processing unit
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • CPLD Complex Programmable Logic Device
  • the second emergency service information includes any one of the following or a combination thereof:
  • the second emergency service support identifier includes: a second emergency relay service code.
  • the second PDU session parameters include a second emergency service data network name DNN and/or second emergency service single network slice selection auxiliary information S-NSSAI.
  • the situations in which the relay terminal supports providing emergency services to the remote terminal include any one of the following or a combination thereof:
  • IMSI International Mobile Subscriber Identity
  • the method before the sending the second emergency service information corresponding to the relay terminal to the remote terminal, the method further includes:
  • sending second emergency service information corresponding to the relay terminal to the remote terminal includes:
  • the second emergency service information is sent to the remote terminal through a direct discovery message.
  • the method further includes:
  • a first message sent by the remote terminal and used for establishing an emergency service that the remote terminal needs to execute is received.
  • the first message carries a first emergency service support identifier
  • the first emergency service support identifier is used to trigger the relay terminal to establish a PDU session corresponding to the first emergency service support identifier.
  • the above-mentioned relay terminal provided in the embodiment of the present disclosure can implement all the method steps implemented in the above-mentioned embodiment of the method for processing emergency services applied to the relay terminal, and can achieve the same technical effect.
  • the parts and beneficial effects of this embodiment that are the same as the method embodiment will not be described in detail here.
  • an embodiment of the present disclosure further provides a processor-readable storage medium, wherein the processor-readable storage medium stores a computer program, wherein the computer program is used to enable the processor to execute the method applied to a remote terminal provided in each of the above embodiments, including:
  • a first message for establishing the emergency service is sent to the target relay terminal.
  • an embodiment of the present disclosure further provides a processor-readable storage medium, wherein the processor-readable storage medium stores a computer program, and the computer program is used to enable the processor to execute the method applied to the relay terminal provided in the above embodiments, including:
  • Second emergency service information corresponding to the relay terminal is sent to the remote terminal, where the second emergency service information is used to determine a target relay terminal, and the target relay terminal supports providing the remote terminal with the emergency service that the remote terminal needs to execute.
  • the processor-readable storage medium may be any available medium or data storage device that can be accessed by the processor, including but not limited to magnetic storage (e.g., floppy disk, hard disk, tape, magneto-optical disk (MO), etc.), optical storage (e.g., CD, DVD, BD, HVD, etc.), and semiconductor Memory (such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state drive (SSD)), etc.
  • magnetic storage e.g., floppy disk, hard disk, tape, magneto-optical disk (MO), etc.
  • optical storage e.g., CD, DVD, BD, HVD, etc.
  • semiconductor Memory such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state drive (SSD)
  • the embodiments of the present disclosure may be provided as methods, systems, or computer program products. Therefore, the present disclosure may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present disclosure may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) containing computer-usable program code.
  • a computer-usable storage media including but not limited to disk storage and optical storage, etc.
  • each process and/or box in the flowchart and/or block diagram, as well as the combination of the process and/or box in the flowchart and/or block diagram can be implemented by computer executable instructions.
  • These computer executable instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device produce a device for implementing the functions specified in one process or multiple processes in the flowchart and/or one box or multiple boxes in the block diagram.
  • processor-executable instructions may also be stored in a processor-readable memory that can direct a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the processor-readable memory produce a product including an instruction device that implements the functions specified in one or more processes in the flowchart and/or one or more boxes in the block diagram.
  • processor-executable instructions may also be loaded onto a computer or other programmable data processing device so that a series of operational steps are executed on the computer or other programmable device to produce a computer-implemented process, whereby the instructions executed on the computer or other programmable device provide steps for implementing the functions specified in one or more flows in the flowchart and/or one or more blocks in the block diagram.

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  • 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 divulgation concerne un procédé et un dispositif de traitement de service d'urgence, le procédé appliqué à un terminal distant consistant à : obtenir des secondes informations de service d'urgence correspondant à un terminal de relais candidat; et déterminer un terminal de relais cible sur la base des premières informations de service d'urgence et des secondes informations de service d'urgence, les premières informations de service d'urgence correspondant à un service d'urgence qui doit être exécuté par le terminal distant; et envoyer au terminal de relais cible un premier message pour établir le service d'urgence.
PCT/CN2023/120716 2022-09-30 2023-09-22 Procédé et dispositif de traitement de service d'urgence WO2024067398A1 (fr)

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CN202211217091.5A CN117858058A (zh) 2022-09-30 2022-09-30 紧急业务的处理方法及装置

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Citations (4)

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CN112788582A (zh) * 2020-12-31 2021-05-11 展讯通信（上海）有限公司 一种紧急呼叫方法及其装置
CN113079547A (zh) * 2020-01-03 2021-07-06 大唐移动通信设备有限公司 一种提供中继业务的方法、设备、装置及可读存储介质
WO2021178137A1 (fr) * 2020-03-06 2021-09-10 Qualcomm Incorporated Configuration de liaison de diffusion individuelle de relais de couche 2
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CN113079547A (zh) * 2020-01-03 2021-07-06 大唐移动通信设备有限公司 一种提供中继业务的方法、设备、装置及可读存储介质
WO2021178137A1 (fr) * 2020-03-06 2021-09-10 Qualcomm Incorporated Configuration de liaison de diffusion individuelle de relais de couche 2
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