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WO2022198466A1 - Procédé de découverte et terminal - Google Patents

Procédé de découverte et terminal Download PDF

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Publication number
WO2022198466A1
WO2022198466A1 PCT/CN2021/082497 CN2021082497W WO2022198466A1 WO 2022198466 A1 WO2022198466 A1 WO 2022198466A1 CN 2021082497 W CN2021082497 W CN 2021082497W WO 2022198466 A1 WO2022198466 A1 WO 2022198466A1
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WO
WIPO (PCT)
Prior art keywords
terminal
discovery
configuration information
layer
type
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2021/082497
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English (en)
Chinese (zh)
Inventor
杨皓睿
郭雅莉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
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 Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CN202180078529.3A priority Critical patent/CN116602046A/zh
Priority to PCT/CN2021/082497 priority patent/WO2022198466A1/fr
Publication of WO2022198466A1 publication Critical patent/WO2022198466A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup

Definitions

  • the present application relates to the field of communications, and more particularly, to a discovery method and terminal.
  • NCIS Network Controlled Interactive Services
  • AR Augmented Reality
  • VR Virtual Reality
  • games have high requirements for service quality such as rate, delay, packet loss rate, and high-speed codec.
  • rate needs to be 10Gbps
  • packet loss rate cannot exceed 10E-4 (ie 10 -4 ).
  • a session established for an NCIS service is an NCIS session, and UEs in the same NCIS session can be considered to form an NCIS group, such as a team in a game.
  • Proximity Service (ProSe) topic of 5G can be used to design the solution of Proximity Service Communication.
  • ProSe can contain NCIS.
  • the embodiments of the present application provide a discovery method and a terminal, which can perform a discovery process according to a discovery type.
  • An embodiment of the present application provides a discovery method, including: a short-range service layer of a terminal performs discovery based on a discovery type of the short-range service.
  • An embodiment of the present application provides a terminal, including: a discovery unit, configured to perform discovery based on the discovery type of the short-range service through the short-range service layer.
  • An embodiment of the present application provides a terminal, including a processor and a memory.
  • the memory is used for storing a computer program
  • the processor is used for calling and running the computer program stored in the memory, so that the terminal executes the above-mentioned discovery method.
  • An embodiment of the present application provides a chip for implementing the above discovery method.
  • the chip includes: a processor for invoking and running a computer program from the memory, so that the device installed with the chip executes the above-mentioned discovery method.
  • Embodiments of the present application provide a computer-readable storage medium for storing a computer program, which, when the computer program is run by a device, causes the device to execute the above-mentioned discovery method.
  • An embodiment of the present application provides a computer program product, including computer program instructions, and the computer program instructions cause a computer to execute the above-mentioned discovery method.
  • the embodiments of the present application provide a computer program, which, when running on a computer, enables the computer to execute the above-mentioned discovery method.
  • the short-range service layer of the terminal performs discovery based on the discovery type of the short-range service, so that the terminal can distinguish different discovery types of the short-range service, which is beneficial for the terminal to perform the discovery process according to the discovery type.
  • FIG. 1 is a schematic diagram of an application scenario according to an embodiment of the present application.
  • Figure 2 is an example diagram of a 5G network system architecture.
  • FIG. 3 is a schematic flow chart of Mode A.
  • FIG. 4 is a schematic flowchart of Mode B.
  • FIG. 4 is a schematic flowchart of Mode B.
  • FIG. 5 is a schematic flow chart of establishing a PC5 connection directly.
  • FIG. 6 is a schematic flowchart of a discovery method according to an embodiment of the present application.
  • FIG. 7 is a schematic flowchart of Example 1 of a discovery method according to an embodiment of the present application.
  • FIG. 8 is a schematic flowchart of Example 2 of the discovery method according to an embodiment of the present application.
  • FIG. 9 is a schematic block diagram of a terminal according to an embodiment of the present application.
  • FIG. 10 is a schematic block diagram of a terminal according to another embodiment of the present application.
  • FIG. 11 is a schematic flowchart of a discovery method according to an embodiment of the present application.
  • FIG. 12 is a schematic block diagram of a network device according to an embodiment of the present application.
  • FIG. 13 is a schematic block diagram of a communication device according to an embodiment of the present application.
  • FIG. 14 is a schematic block diagram of a chip according to an embodiment of the present application.
  • FIG. 15 is a schematic block diagram of a communication system according to an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • CDMA Wideband Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced Long Term Evolution
  • NR New Radio
  • NTN Non-Terrestrial Networks
  • UMTS Universal Mobile Telecommunication System
  • WLAN Wireless Local Area Networks
  • WiFi Wireless Fidelity
  • 5G fifth-generation communication
  • D2D Device to Device
  • M2M Machine to Machine
  • MTC Machine Type Communication
  • V2V Vehicle to Vehicle
  • V2X Vehicle to everything
  • the communication system in this embodiment of the present application may be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, a dual connectivity (Dual Connectivity, DC) scenario, or a standalone (Standalone, SA) distribution. web scene.
  • Carrier Aggregation, CA Carrier Aggregation, CA
  • DC Dual Connectivity
  • SA standalone
  • the communication system in the embodiment of the present application may be applied to an unlicensed spectrum, where the unlicensed spectrum may also be considered as a shared spectrum; or, the communication system in the embodiment of the present application may also be applied to a licensed spectrum, where, Licensed spectrum can also be considered unshared spectrum.
  • the embodiments of the present application describe various embodiments in conjunction with network equipment and terminal equipment, where the terminal equipment may also be referred to as user equipment (User Equipment, UE), access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • user equipment User Equipment, UE
  • access terminal subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • the terminal device can be a station (STAION, ST) in the WLAN, can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a personal digital processing (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, next-generation communication systems such as end devices in NR networks, or future Terminal equipment in the evolved public land mobile network (Public Land Mobile Network, PLMN) network, etc.
  • STAION, ST in the WLAN
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable, or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as airplanes, balloons, and satellites) superior).
  • the terminal device may be a mobile phone (Mobile Phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, and an augmented reality (Augmented Reality, AR) terminal Equipment, wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city or wireless terminal equipment in smart home, etc.
  • a mobile phone Mobile Phone
  • a tablet computer Pad
  • a computer with a wireless transceiver function a virtual reality (Virtual Reality, VR) terminal device
  • augmented reality (Augmented Reality, AR) terminal Equipment wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city or wireless terminal equipment in smart home, etc.
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices, which are the general term for the intelligent design of daily wear and the development of wearable devices using wearable technology, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-scale, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, which needs to cooperate with other devices such as smart phones.
  • the network device may be a device for communicating with a mobile device, and the network device may be an access point (Access Point, AP) in WLAN, or a base station (Base Transceiver Station, BTS) in GSM or CDMA , it can also be a base station (NodeB, NB) in WCDMA, it can also be an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or in-vehicle equipment, wearable devices and NR networks
  • the network device may have a mobile feature, for example, the network device may be a mobile device.
  • the network device may be a satellite or a balloon station.
  • the satellite may be a low earth orbit (LEO) satellite, a medium earth orbit (MEO) satellite, a geostationary earth orbit (GEO) satellite, a High Elliptical Orbit (HEO) ) satellite etc.
  • the network device may also be a base station set in a location such as land or water.
  • a network device may provide services for a cell, and a terminal device communicates with the network device through transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell, and the cell may be a network device (
  • the cell can belong to the macro base station, or it can belong to the base station corresponding to the small cell (Small cell).
  • Pico cell Femto cell (Femto cell), etc.
  • These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
  • FIG. 1 exemplarily shows a communication system 100 .
  • the communication system includes one network device 110 and two terminal devices 120 .
  • the communication system 100 may include multiple network devices 110, and the coverage of each network device 110 may include other numbers of terminal devices 120, which are not limited in this embodiment of the present application.
  • the communication system 100 may further include a mobility management entity (Mobility Management Entity, MME), an access and mobility management function (Access and Mobility Management Function, AMF) and other network entities, to which the embodiments of the present application Not limited.
  • MME Mobility Management Entity
  • AMF Access and Mobility Management Function
  • the network equipment may further include access network equipment and core network equipment. That is, the wireless communication system further includes a plurality of core networks for communicating with the access network equipment.
  • the access network equipment may be a long-term evolution (long-term evolution, LTE) system, a next-generation (mobile communication system) (next radio, NR) system, or an authorized auxiliary access long-term evolution (authorized auxiliary access long-term evolution, LAA-
  • the evolved base station (evolutional node B, may be referred to as eNB or e-NodeB for short) in the LTE) system is a macro base station, a micro base station (also called a "small base station"), a pico base station, an access point (AP), Transmission site (transmission point, TP) or new generation base station (new generation Node B, gNodeB), etc.
  • a device having a communication function in the network/system may be referred to as a communication device.
  • the communication device may include a network device and a terminal device with a communication function, and the network device and the terminal device may be specific devices in this embodiment of the application, which will not be repeated here; It may include other devices in the communication system, for example, other network entities such as a network controller and a mobility management entity, which are not limited in this embodiment of the present application.
  • the "instruction" mentioned in the embodiments of the present application may be a direct instruction, an indirect instruction, or an associated relationship.
  • a indicates B it can indicate that A directly indicates B, for example, B can be obtained through A; it can also indicate that A indicates B indirectly, such as A indicates C, and B can be obtained through C; it can also indicate that there is an association between A and B relation.
  • corresponding may indicate that there is a direct or indirect corresponding relationship between the two, or may indicate that there is an associated relationship between the two, or indicate and be instructed, configure and be instructed configuration, etc.
  • FIG. 2 exemplarily shows the 5G network system architecture.
  • the UE connects with the access network (AN, Access Network) through the Uu wireless interface, exchanges access layer messages and wireless data transmission, and the UE communicates with the access and mobility management functions (AMF, Access and Mobility Management) through the N1 interface Mobility Management Function) to connect to the non-access stratum (NAS, None Access Stratum) and exchange NAS messages.
  • the AMF is responsible for the access and mobility management network elements in the core network
  • the session management function (SMF, Session Management Function) is responsible for the session management network elements in the core network.
  • the AMF is also responsible for the Forwarding of session management related messages between UE and SMF.
  • the Policy Control Function is a policy management function in the core network, and is responsible for formulating policies related to mobility management, session management, and charging of the UE.
  • the User Plane Function (UPF, User Plane Function) is the user plane function in the core network. It transmits data to the external data network through the N6 interface, and transmits data to the AN (or RAN) through the N3 interface.
  • the UE After the UE accesses the 5G network through the Uu port, it transmits service data through the network.
  • the network layer of the UE obtains the QoS requirements of the service from the upper layer (such as the operating system or application), and the UE converts the QoS requirements of the service into the QoS parameters of the Uu interface, and passes the corresponding correspondence between the UE and the UPF under the control of the SMF QoS flow for data transmission.
  • the network layer of the UE obtains the QoS requirements of the service from the upper layer (such as the operating system or application)
  • the UE converts the QoS requirements of the service into the QoS parameters of the Uu interface, and passes the corresponding correspondence between the UE and the UPF under the control of the SMF QoS flow for data transmission.
  • the communication between UE and UE needs to establish PC5 connection. Before the PC5 connection is established, the two UEs need to discover each other, and the connection can be established only when the other party is around.
  • Step S53 of directly establishing the PC5 connection as shown in Figure 5.
  • UE-1 is used for announcing, and UE-2, UE-3, UE-4, and UE-5 are used for monitoring.
  • the discovery process of the mode A may include: UE-1 broadcasts or unicast an announcement message (Announcement message), and the announcement message may carry services that UE-1 itself supports or needs to communicate with PC5 (S31). Other UEs such as UE-2, UE-3, UE-4, UE-5, etc. monitor. If a certain UE monitors the service it needs, it initiates a service connection to UE-1. If UE-1 uses the L2 ID (layer 2 identity) for the discovery message, it broadcasts the Announcement message; if it uses the L2 ID for the target UE, it unicasts the Announcement message.
  • L2 ID layer 2 identity
  • UE-1 may be a discoverer, and UE-2, UE-3, UE-4, and UE-5 may be discoverers.
  • the discovery process of mode B may include: UE-1 broadcasts or unicast a solicitation message (Solicitation message), and the message may carry its own service requirements (S41). If the UE that receives the message finds that it can support the service requirement, it can feed back a Response message to UE-1.
  • UE-2 and UE-3 send response messages (S42a and S42b) to UE-1 to feed back their own supported services.
  • UE-1 may select a desired UE to initiate a service connection.
  • UE-1 broadcasts the solicitation message if using the L2 ID for the discovery message; unicasts the solicitation message if using the L2 ID for the target UE.
  • the process of directly establishing a PC5 connection may include:
  • UE-2 determines the destination Layer-2 ID for signaling reception (UE-2 determines the destination Layer-2 ID for signaling reception.).
  • UE-3 determines the target layer 2 identity for signaling reception.
  • UE-4 determines the target layer 2 identity for signaling reception.
  • S51a, S51b and S51c have no timing restrictions and can be executed independently.
  • the ProSe application layer of UE-1 provides application information for PC5 unicast communication (ProSe application layer provides application information for PC5 unicast communication.).
  • UE-1 sends a direct communication request (broadcast or unicast) (Direct Communication Request (Broadcast or Unicast)).
  • the UE1 can directly broadcast or unicast the direct communication request, and the request can carry the service information it needs, such as the service capability or service requirements it needs. If it is unicast, the request may carry the identifier of the target UE. The target UE may respond to the request.
  • S56a ProSe service data (ProSe data over unicast link) on the unicast link between UE-1 and UE-2.
  • S56b ProSe service data on the unicast link between UE-1 and UE-2.
  • FIG. 6 is a schematic flowchart of a discovery method 200 according to an embodiment of the present application.
  • the method can optionally be applied to the systems shown in FIG. 1 and FIG. 2 , but is not limited thereto.
  • the method includes at least some of the following.
  • the short-range service layer of the terminal performs discovery based on the discovery type of the short-range service.
  • the discovery type of the short-range service includes at least one of the following:
  • Mode A For the specific flow of Mode A, reference may be made to FIG. 3 and related descriptions.
  • mode B refer to FIG. 4 and its related description.
  • FIG. 5 For the specific process of establishing a connection directly, refer to FIG. 5 and its related description.
  • the Proximity Service (ProSe) layer receives indication information from the application layer of the terminal, where the indication information includes a discovery type.
  • the terminal may include a short-range service layer and an application layer.
  • the application layer can be above the short-range business layer.
  • the application layer can interact with the application server and send the information from the application server to the short-range business layer.
  • the proximity service layer can support various proximity services (ProSe).
  • the application layer of the terminal may receive the indication information from the application server.
  • the indication information may include which discovery type the terminal needs to use for discovery. Different discovery types can be distinguished by using different indication information.
  • the indication information may also include a proximity service identifier (ProSe ID).
  • ProSe ID a proximity service identifier
  • the proximity service layer receives indication information including discovery type and ProSe ID from the application layer. Use this ProSe ID to establish a connection, perform data transfer, etc.
  • the indication information further includes that the terminal is the initiator or the terminal is the destination.
  • the terminal may determine its own role information through negotiation with the application server. For example, two terminals negotiate through the application server, and determine that one terminal is the initiator and the other terminal is the destination.
  • the application server may send indication information to the two terminals respectively.
  • the indication information sent by the application server to the initiator includes the discovery type and the information that the terminal is the initiator.
  • the indication information sent by the application server to the destination terminal includes the discovery type and the information that the terminal is the destination terminal.
  • the close-proximity service layer receives configuration information from the core network element, and the configuration information includes a mapping relationship between the close-proximity service identifier and the discovery type.
  • the mapping relationship may include a list of multiple proximity service identifiers and their corresponding discovery types.
  • the terminal may acquire the discovery type from configuration information from the core network.
  • the configuration information may be a terminal policy (UE policy).
  • the terminal receives configuration information including the discovery type of the terminal from one or more network elements of the core network.
  • the configuration information may include the mapping relationship between the ProSe identifier of the terminal and the discovery type.
  • the application triggers the proximity service layer to discover the proximity service
  • the terminal may determine the discovery type of the corresponding proximity service or application based on the ProSe identifier.
  • the proximity business or application utilizes the discovery type for the discovery process. For example: App1-ModelA/B, indicating that the application program APP1 corresponds to mode A or mode B.
  • the configuration information further includes that the terminal is an initiator or that the terminal is a destination.
  • the mapping relationship in the configuration information further includes that the terminal is the initiator or the terminal is the destination.
  • the terminal may also acquire role information of the terminal from the core network.
  • the configuration information received by the terminal from one or more network elements of the core network includes the discovery type of the terminal and whether the terminal is an initiator or a destination.
  • the mapping relationship in the configuration information may include information such as the discovery type of the terminal, whether the terminal is an initiator or a destination, and a short-range service identifier.
  • the application triggers the proximity service layer to discover the proximity service
  • the terminal may determine the discovery type of the corresponding proximity service or application based on the ProSe identifier.
  • the short-range service or application uses the mapping relationship to determine whether the terminal is the initiator or the destination, and performs the discovery process based on the discovery type.
  • the proximity service layer receives configuration information from the core network element, where the configuration information includes a mapping relationship between the proximity service identifier and the Layer 2 ID (Layer 2 ID) of the discovery message.
  • the configuration information includes a mapping relationship between the proximity service identifier and the Layer 2 ID (Layer 2 ID) of the discovery message.
  • the configuration information received by the ProSe layer of the terminal from the core network may also include the mapping relationship between the ProSe identifier and the Layer 2 ID of the discovery message. If the terminal is the initiator, the discovery message can be sent based on the Layer 2 ID; if the terminal is the destination, the discovery message can be monitored based on the Layer 2 ID.
  • the configuration information received by the ProSe layer of the terminal from the core network may include the discovery type of the terminal, whether the terminal is the initiator or the destination, the ProSe identifier and the Layer2 ID of the discovery message. mapping relationship between them.
  • the terminal may acquire the discovery type of the terminal and whether the terminal is the initiator or the destination from the application server. And, the terminal can obtain the mapping relationship between the ProSe identifier and the Layer 2 ID of the discovery message from the core network.
  • the close-proximity service layer receives configuration information from the core network element, and the configuration information includes the mapping relationship between the close-proximity service identifier and the Layer 2 ID of the discovery message of the discovery type.
  • the configuration information received by the ProSe layer of the terminal from the core network may also include the mapping relationship between the ProSe identifier and the Layer 2 ID of the discovery message of the discovery type.
  • Discovery messages of different discovery types can have different Layer 2 IDs.
  • the configuration information received by the ProSe layer of the terminal from the core network may include the discovery type of the terminal, whether the terminal is the initiator or the destination, the ProSe identifier and the discovery message of the discovery type.
  • the terminal may acquire the discovery type of the terminal and whether the terminal is the initiator or the destination from the application server. And, the terminal can obtain the mapping relationship between the ProSe identifier and the Layer 2 ID of the discovery message of the discovery type from the core network.
  • the terminal before the close-proximity service layer receives the configuration information from the core network element, the terminal indicates the type of the configuration information requested to the core network element. In this way, the core network element can return the configuration information required by the terminal according to the type of configuration information requested by the terminal. There is no need to return all types of configuration information.
  • the type of the configuration information includes at least one of the following:
  • the UE sends the requested policy type to the PCF, such as: configuration information for discovery, configuration information for communication, configuration information for relay, and the like.
  • the mapping relationship further includes an associated area. In this way, when the terminal is in the associated area, the terminal can use the mapping relationship.
  • the configuration information received by the ProSe layer of the terminal from the core network may include the discovery type of the terminal, whether the terminal is an initiator or a destination, and a mapping relationship between associated areas.
  • the configuration information received by the ProSe layer of the terminal from the core network may include the discovery type of the terminal, whether the terminal is an initiator or a destination, an associated area, and a mapping relationship between ProSe identifiers.
  • the configuration information received by the ProSe layer of the terminal from the core network may include the discovery type of the terminal, whether the terminal is an initiator or a destination, an associated area, a mapping relationship between the ProSe identifier and the Layer 2 ID of the discovery message. .
  • the configuration information received by the ProSe layer of the terminal from the core network may include the discovery type of the terminal, whether the terminal is the initiator or the destination, the associated area, the ProSe identifier and the Layer 2 ID of the discovery message of the discovery type. mapping relationship.
  • the area includes at least one of the following:
  • PLMN Land Public Mobile Network
  • Cell ID Cell ID set
  • TAI Tracking Area Identity
  • Global Positioning System Global Positioning System, GPS
  • the core network element includes at least one of the following:
  • PCF Policy Control Function
  • Access and Mobility Management Function AMF
  • UDM Unified Data Management
  • the short-range service layer of the S210 terminal performs discovery based on the discovery type of the short-range service, which may specifically include: when the terminal is the initiator, generating the signaling corresponding to the discovery type by the terminal.
  • the terminal may determine its own discovery type and role information based on the indication information or configuration information. Assume two terminals, one is the initiator and the other is the destination. The initiator can generate signaling corresponding to the discovery type based on its own discovery type, and then send the signaling to the destination. The destination can monitor signaling on the logical channel corresponding to the discovery type based on its own discovery type.
  • the signaling is a discovery message or a connection establishment request message.
  • the signaling generated by the initiator may be a discovery message corresponding to Mode A or Mode B. Then the initiator can send the discovery message to the target.
  • the signaling generated by the initiator may be a connection establishment request message. Then the initiator may send the connection establishment request message to the destination.
  • signaling corresponding to different discovery types has different formats.
  • the signaling corresponding to mode A and mode B may have different formats.
  • the signaling corresponding to the mode A and the mode B and the direct connection establishment may have different formats.
  • the formats of the signaling corresponding to the mode A and the mode B are the same, but the signaling corresponding to the mode A and the mode B and the signaling corresponding to the direct connection establishment have different formats.
  • the discovery type is included in the signaling.
  • signaling in the same format may represent different discovery types through different parameter values.
  • the signaling A1 corresponding to the mode A and the signaling B1 corresponding to the mode B have the same format, but different parameter values are used in the signaling A1 and the signaling B1 to indicate different discovery types.
  • different parameter values are respectively used to represent different discovery types.
  • signaling corresponding to different discovery types is transmitted through different logical channels and uses different layer 2 IDs.
  • logical channels of different discovery types may use different layer 2 IDs.
  • the short-range service layer of the S210 terminal performs discovery based on the discovery type of the short-range service, which may specifically include: when the terminal is the destination, the terminal monitors signaling on the logical channel corresponding to the discovery type.
  • the short-range service layer of the terminal performs discovery based on the discovery type of the short-range service, so that the terminal can distinguish different discovery types of the short-range service, which is beneficial for the terminal to perform the discovery process according to the discovery type.
  • the terminal may generate and send signaling according to the acquired discovery type, and the destination terminal may monitor the signaling according to the acquired discovery type. In this way, it is advantageous to perform discovery and connection quickly and accurately.
  • the UE may acquire the mapping relationship between ProSe and the discovery type; then, the initiating UE may select the corresponding discovery type from the mapping relationship, and generate a discovery message.
  • the destination UE can monitor signaling on the logical channel corresponding to the discovery type.
  • Example 1 see Figure 7, this example may include the following steps:
  • the application layer in UE1 can decide which discovery type (or called discovery method) needs to be used, and send indication (indication) information (may be referred to as indication) to the proximity service layer (ProSe layer).
  • the indication information may indicate a discovery type such as mode (Model) A, mode B, and direct connection establishment.
  • mode (Model) A, mode B, and direct connection establishment correspond to different indication information respectively. It can also be used to distinguish that the mode A/B corresponds to one indication information, and the directly established connection corresponds to one indication information.
  • the application layer also indicates UE1 as the originating UE or the destination UE.
  • the application layer in UE2 may also send the same indication information to the ProSe layer of UE2.
  • the application layer may also indicate UE2 as the destination UE or the initiator UE.
  • S71a and S71b have no timing restrictions, and can be independently executed by the two terminals.
  • the two UEs may negotiate through the application server to determine their discovery type, role information, and the like.
  • the ProSe layer of U1 After receiving the indication information, the ProSe layer of U1 forms signaling corresponding to the indication information (or discovery type). For example, a discovery message (Discovery message) or a connection request establishment message (Direct link establishment request).
  • the corresponding signaling may have different formats and include different parameters.
  • mode A and mode B can also be distinguished by using the type in the same signaling.
  • mode A, mode B and direct connection establishment may use different logical channels for transmission.
  • the ProSe layer of UE2 after the ProSe layer of UE2 receives the indication information, if it is determined that it is the destination UE, it can decide to monitor signaling on the logical channel corresponding to the discovery type.
  • S72a and S72b have no timing restrictions, and can be independently executed by the two terminals.
  • Example 2 see Figure 8, this example may include the following steps:
  • the configuration information may be a UE policy. It can contain the mapping relationship (or called correspondence) between ProSe ID and discovery type.
  • the mapping relationship can also be associated with a certain area, so that the UE can use the mapping relationship under this area.
  • the representation of the area may be: PLMN, cell ID set, TAI set, GPS set and so on.
  • a discovery type only represents a certain type, other ProSes not in the mapping relationship can use a discovery type other than this discovery type.
  • the UE may also be additionally indicated as the initiator or the target.
  • UE1 ProSe layer After UE1 ProSe layer receives the mapping relationship, if it is determined that it is the initiator UE, it generates signaling corresponding to the ProSe ID.
  • the corresponding signaling may have different formats and include different parameters.
  • mode A and mode B can also be distinguished by using the type in the same signaling.
  • mode A, mode B and direct connection establishment may use different logical channels for transmission.
  • the ProSe layer of UE2 after the ProSe layer of UE2 receives the mapping information, if it determines that it is the destination UE, it can decide to monitor signaling on the logical channel corresponding to the discovery type.
  • S82a and S82b have no timing restrictions, and can be independently executed by the two terminals.
  • FIG. 9 is a schematic block diagram of a terminal 400 according to an embodiment of the present application.
  • the terminal 400 may include:
  • the discovery unit 410 is configured to perform discovery based on the discovery type of the close-proximity service through the close-proximity service layer.
  • the terminal further includes:
  • the first receiving unit 420 is configured to receive indication information from the application layer of the terminal through the short-range service layer, where the indication information includes the discovery type.
  • the indication information further includes that the terminal is the initiator or the terminal is the destination.
  • the terminal further includes:
  • the second receiving unit 430 is configured to receive configuration information from the core network element through the proximity service layer, where the configuration information includes a mapping relationship between the proximity service identifier and the discovery type.
  • the configuration information further includes that the terminal is an initiator or that the terminal is a destination.
  • the mapping relationship in the configuration information further includes that the terminal is the initiator or the terminal is the destination.
  • the terminal further includes:
  • the third receiving unit 440 is configured to receive configuration information from the core network element through the proximity service layer, where the configuration information includes the mapping relationship between the proximity service identifier and the Layer 2 identifier Layer 2 ID of the discovery message.
  • the terminal further includes:
  • the fourth receiving unit 450 is configured to receive configuration information from the core network element through the proximity service layer, where the configuration information includes the mapping relationship between the proximity service identifier and the Layer 2 ID of the discovery message of the discovery type.
  • the terminal further includes:
  • the instructing unit 460 is configured to instruct the core network element to request the type of the configuration information before receiving the configuration information from the core network element through the short-range service layer.
  • the type of the configuration information includes at least one of the following:
  • mapping relationship further includes an associated area.
  • the area includes at least one of the following:
  • the core network element includes at least one of the following:
  • the discovery unit is further configured to generate signaling corresponding to the discovery type when the terminal is the initiator.
  • the signaling is a discovery message or a connection establishment request message.
  • signaling corresponding to different discovery types has different formats.
  • the discovery type is included in the signaling.
  • signaling corresponding to different discovery types is transmitted through different logical channels and uses different layer 2 IDs.
  • the discovery unit is further configured to monitor signaling on the logical channel corresponding to the discovery type when the terminal is the destination.
  • the discovery type includes at least one of the following:
  • the terminal 400 in this embodiment of the present application can implement the corresponding functions of the terminal in the foregoing method embodiments.
  • each module (sub-module, unit, or component, etc.) in the terminal 400 reference may be made to the corresponding descriptions in the foregoing method embodiments, which will not be repeated here.
  • the functions described by each module (submodule, unit or component, etc.) in the terminal 400 of the application embodiment may be implemented by different modules (submodule, unit or component, etc.), or may be implemented by the same module (submodule, unit or component, etc.) implementation.
  • FIG. 11 is a schematic flowchart of a discovery method 300 according to an embodiment of the present application.
  • the method can optionally be applied to the systems shown in FIG. 1 and FIG. 2 , but is not limited thereto.
  • the method includes at least some of the following.
  • the network device sends the discovery type of the short-range service to the terminal.
  • the short-range service layer of the terminal can be made to perform discovery based on the discovery type of the short-range service.
  • the discovery type of the short-range service includes at least one of the following:
  • the network device may be an application server.
  • the network device may send indication information to the application layer of the terminal, where the indication information includes the discovery type of the short-range service.
  • the terminal may include a short-range service layer and an application layer.
  • the application layer can be above the short-range business layer.
  • the application layer can interact with the application server and send the information from the application server to the short-range business layer.
  • the proximity service layer can support various proximity services (ProSe).
  • the application layer of the terminal may receive the indication information from the application server.
  • the indication information may include which discovery type the terminal needs to use for discovery. Different discovery types can be distinguished by using different indication information.
  • the indication information may also include a proximity service identifier (ProSe ID).
  • ProSe ID a proximity service identifier
  • the proximity service layer receives indication information including discovery type and ProSe ID from the application layer. Use this ProSe ID to establish a connection, perform data transfer, etc.
  • the indication information further includes that the terminal is the initiator or the terminal is the destination.
  • the network device may be a core network element.
  • the network device may send configuration information to the terminal, where the configuration information includes the mapping relationship between the proximity service identifier and the discovery type.
  • the mapping relationship may include a list of multiple proximity service identifiers and their corresponding discovery types.
  • the terminal may acquire the discovery type from configuration information from the core network.
  • the configuration information may be a terminal policy (UE policy).
  • UE policy terminal policy
  • a terminal receives configuration information including a discovery type for the terminal from one or more network elements of the core network.
  • the configuration information may include the mapping relationship between the ProSe identifier of the terminal and the discovery type.
  • the application triggers the proximity service layer to discover the proximity service
  • the terminal may determine the discovery type of the corresponding proximity service or application based on the ProSe identifier.
  • the proximity business or application utilizes the discovery type for the discovery process. For example: App1-ModelA/B, indicating that the application program APP1 corresponds to mode A or mode B.
  • the configuration information further includes that the terminal is an initiator or that the terminal is a destination.
  • the mapping relationship further includes that the terminal is the initiator or the terminal is the destination.
  • the core network may also send the role information of the terminal to the terminal.
  • the configuration information received by the terminal from one or more network elements of the core network includes the discovery type of the terminal and whether the terminal is an initiator or a destination.
  • the mapping relationship in the configuration information may include information such as the discovery type of the terminal, whether the terminal is an initiator or a destination, and a short-range service identifier.
  • the application triggers the proximity service layer to discover the proximity service
  • the terminal may determine the discovery type of the corresponding proximity service or application based on the ProSe identifier.
  • the short-range service or application uses the mapping relationship to determine whether the terminal is the initiator or the destination, and performs the discovery process based on the discovery type.
  • the core network element sends configuration information to the short-range service layer of the terminal, where the configuration information includes the mapping relationship between the short-range service identifier and the Layer 2 identifier (Layer 2 ID) of the discovery message.
  • the configuration information includes the mapping relationship between the short-range service identifier and the Layer 2 identifier (Layer 2 ID) of the discovery message.
  • the network element of the core network sends configuration information to the proximity service layer of the terminal, where the configuration information includes the mapping relationship between the proximity service identifier and the Layer 2 ID of the discovery message of the discovery type.
  • the core network element before the core network element sends the configuration information to the short-range service layer of the terminal, the core network element receives an indication of the type of the configuration information requested by the terminal. In this way, the core network element can return the configuration information required by the terminal according to the type of configuration information requested by the terminal. There is no need to return all types of configuration information.
  • the type of the configuration information includes at least one of the following:
  • the UE sends the requested policy type to the PCF, such as: configuration information for discovery, configuration information for communication, configuration information for relay, and the like.
  • the mapping relationship further includes an associated area. In this way, when the terminal is in the associated area, the terminal can use the mapping relationship.
  • the area includes at least one of the following:
  • PLMN Land Public Mobile Network
  • Cell ID Cell ID set
  • TAI Tracking Area Identity
  • Global Positioning System Global Positioning System, GPS
  • the core network element includes at least one of the following:
  • PCF Policy Control Function
  • Access and Mobility Management Function AMF
  • UDM Unified Data Management
  • FIG. 12 is a schematic block diagram of a network device 500 according to an embodiment of the present application.
  • the network device 500 may include:
  • the sending unit 510 is configured to send the discovery type of the short-range service to the terminal.
  • the short-range service layer of the terminal can perform discovery based on the discovery type of the short-range service.
  • the discovery type of the short-range service includes at least one of the following:
  • the network device may be an application server.
  • the sending unit 510 of the network device may send indication information to the application layer of the terminal, where the indication information includes the discovery type of the short-range service.
  • the indication information may also include a proximity service identifier (ProSe ID).
  • ProSe ID a proximity service identifier
  • the proximity service layer receives indication information including discovery type and ProSe ID from the application layer. Use this ProSe ID to establish a connection, perform data transfer, etc.
  • the indication information further includes that the terminal is the initiator or the terminal is the destination.
  • the network device may be a core network element.
  • the sending unit 510 of the network device may send configuration information to the terminal, where the configuration information includes the mapping relationship between the proximity service identifier and the discovery type.
  • the mapping relationship may include a list of multiple proximity service identifiers and their corresponding discovery types.
  • the configuration information further includes that the terminal is an initiator or that the terminal is a destination.
  • the mapping relationship further includes that the terminal is the initiator or the terminal is the destination.
  • the sending unit 510 of the core network element sends configuration information to the proximity service layer of the terminal, where the configuration information includes the mapping relationship between the proximity service identifier and the Layer 2 ID (Layer 2 ID) of the discovery message.
  • the configuration information includes the mapping relationship between the proximity service identifier and the Layer 2 ID (Layer 2 ID) of the discovery message.
  • the sending unit 510 of the core network element sends configuration information to the proximity service layer of the terminal, where the configuration information includes the mapping relationship between the proximity service identifier and the Layer 2 ID of the discovery message of the discovery type.
  • the core network element receives an indication of the type of the configuration information requested by the terminal. In this way, the core network element can return the configuration information required by the terminal according to the type of configuration information requested by the terminal. There is no need to return all types of configuration information.
  • the type of the configuration information includes at least one of the following:
  • the UE sends the requested policy type to the PCF, such as: configuration information for discovery, configuration information for communication, configuration information for relay, and the like.
  • the mapping relationship further includes an associated area. In this way, when the terminal is in the associated area, the terminal can use the mapping relationship.
  • the area includes at least one of the following:
  • PLMN Land Public Mobile Network
  • Cell ID Cell ID set
  • TAI Tracking Area Identity
  • Global Positioning System Global Positioning System, GPS
  • the core network element includes at least one of the following:
  • PCF Policy Control Function
  • Access and Mobility Management Function AMF
  • UDM Unified Data Management
  • the network device 500 in this embodiment of the present application can implement the corresponding functions of the network device in the foregoing method embodiments.
  • each module (submodule, unit, or component, etc.) in the network device 500 reference may be made to the corresponding descriptions in the foregoing method embodiments, which will not be repeated here.
  • the functions described by each module (submodule, unit, or component, etc.) in the network device 500 of the application embodiment may be implemented by different modules (submodule, unit, or component, etc.), or may be implemented by the same module Module (submodule, unit or component, etc.) implementation.
  • FIG. 13 is a schematic structural diagram of a communication device 600 according to an embodiment of the present application.
  • the communication device 600 includes a processor 610, and the processor 610 can call and run a computer program from a memory, so that the communication device 600 implements the methods in the embodiments of the present application.
  • the communication device 600 may also include a memory 620 .
  • the processor 610 may call and run a computer program from the memory 620, so that the communication device 600 implements the methods in the embodiments of the present application.
  • the memory 620 may be a separate device independent of the processor 610 , or may be integrated in the processor 610 .
  • the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices, specifically, may send information or data to other devices, or receive information or data sent by other devices .
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include antennas, and the number of the antennas may be one or more.
  • the communication device 600 may be a terminal of this embodiment of the present application, and the communication device 600 may implement corresponding processes implemented by the terminal in each method of this embodiment of the present application, which is not repeated here for brevity.
  • the communication device 600 may be the network device of this embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the network device in each method of the embodiment of the present application, which is not repeated here for brevity.
  • FIG. 14 is a schematic structural diagram of a chip 700 according to an embodiment of the present application.
  • the chip 700 includes a processor 710, and the processor 710 can call and run a computer program from a memory, so as to implement the methods in the embodiments of the present application.
  • the chip 700 may further include a memory 720 .
  • the processor 710 may call and run a computer program from the memory 720 to implement the method executed by the terminal in the embodiment of the present application.
  • the memory 720 may be a separate device independent of the processor 710 , or may be integrated in the processor 710 .
  • the chip 700 may further include an input interface 730 .
  • the processor 710 may control the input interface 730 to communicate with other devices or chips, and specifically, may acquire information or data sent by other devices or chips.
  • the chip 700 may further include an output interface 740 .
  • the processor 710 can control the output interface 740 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.
  • the chip can be applied to the terminal in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the terminal in each method of the embodiment of the present application, which is not repeated here for brevity.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the network device in each method of the embodiment of the present application, which is not repeated here for brevity.
  • Chips applied to network equipment and terminal equipment can be the same chip or different chips.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.
  • the processor mentioned above may be a general-purpose processor, a digital signal processor (DSP), a field programmable gate array (FPGA), an application specific integrated circuit (ASIC) or Other programmable logic devices, transistor logic devices, discrete hardware components, etc.
  • DSP digital signal processor
  • FPGA field programmable gate array
  • ASIC application specific integrated circuit
  • the general-purpose processor mentioned above may be a microprocessor or any conventional processor or the like.
  • the memory mentioned above may be either volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically programmable Erase programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
  • Volatile memory may be random access memory (RAM).
  • the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is, the memory in the embodiments of the present application is intended to include but not limited to these and any other suitable types of memory.
  • FIG. 15 is a schematic block diagram of a communication system 800 according to an embodiment of the present application.
  • the communication system 800 includes at least two terminals, eg, terminal 810 and terminal 820 .
  • the terminal 810 and the terminal 820 are configured to perform discovery based on the discovery type of the short-range service through the short-range service layer.
  • terminal 810 and the terminal 820 may be used to implement the corresponding functions implemented by the terminal in the above method. For brevity, details are not repeated here.
  • the terminal 810 if the terminal 810 is the initiator, the terminal 810 generates signaling corresponding to the discovery type. In addition, the terminal 810 may also send the signaling in a mode such as mode A, mode B, or directly establishing a connection. If the terminal 820 is the destination terminal, the terminal 820 monitors the signaling on the logical channel corresponding to the discovery type.
  • the above-mentioned embodiments it may be implemented in whole or in part by software, hardware, firmware or any combination thereof.
  • software it can be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions.
  • the computer program instructions When the computer program instructions are loaded and executed on a computer, the procedures or functions according to the embodiments of the present application are generated in whole or in part.
  • the computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions may be stored on or transmitted from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions may be transmitted over a wire from a website site, computer, server or data center (eg coaxial cable, optical fiber, Digital Subscriber Line (DSL)) or wireless (eg infrared, wireless, microwave, etc.) means to another website site, computer, server or data center.
  • the computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that includes one or more available media integrated.
  • the available medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a DVD), or a semiconductor medium (eg, a Solid State Disk (SSD)), and the like.
  • a magnetic medium eg, a floppy disk, a hard disk, a magnetic tape
  • an optical medium eg, a DVD
  • a semiconductor medium eg, a Solid State Disk (SSD)
  • the size of the sequence numbers of the above-mentioned processes does not mean the sequence of execution, and the execution sequence of each process should be determined by its functions and internal logic, and should not be dealt with in the embodiments of the present application. implementation constitutes any limitation.

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

Abstract

La présente demande concerne un procédé de découverte et un terminal. Le procédé de découverte comprend les étapes suivantes : une couche de service de proximité d'un terminal effectue une découverte sur la base du type de découverte d'un service de proximité. Dans des modes de réalisation de la présente demande, la couche de service de proximité du terminal effectue une découverte sur la base du type de découverte du service de proximité, de telle sorte que le terminal puisse distinguer différents types de découverte du service de proximité, ce qui facilite le processus de découverte par le terminal selon le type de découverte.
PCT/CN2021/082497 2021-03-23 2021-03-23 Procédé de découverte et terminal Ceased WO2022198466A1 (fr)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025065695A1 (fr) * 2023-09-28 2025-04-03 北京小米移动软件有限公司 Procédé d'indication d'informations et terminal
WO2025097455A1 (fr) * 2023-11-10 2025-05-15 北京小米移动软件有限公司 Procédé et appareil de découverte, dispositif de communication, système de communication, et support de stockage

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106134232A (zh) * 2014-03-21 2016-11-16 瑞典爱立信有限公司 设备到设备发现中的认证
CN107637105A (zh) * 2015-04-06 2018-01-26 交互数字专利控股公司 针对邻近服务(ProSe)直接发现的方法、装置和系统
CN111373782A (zh) * 2017-11-15 2020-07-03 诺基亚技术有限公司 针对直接发现的申请的授权
CN111918204A (zh) * 2014-10-03 2020-11-10 交互数字专利控股公司 用于限制直接发现的方法
US10841110B2 (en) * 2016-06-14 2020-11-17 Ofinno, Llc MCVideo identifier in an AAR command in a wireless network

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11284337B2 (en) * 2015-03-27 2022-03-22 Qualcomm Incorporated Selection of proximity services relay
EP3316605B1 (fr) * 2015-06-29 2021-08-04 Sharp Kabushiki Kaisha Dispositif de terminal, dispositif équipé d'une fonction service de proximité (prose), procédé de communication pour dispositif de terminal, et procédé de communication pour dispositif équipé d'une fonction service de proximité (prose)

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106134232A (zh) * 2014-03-21 2016-11-16 瑞典爱立信有限公司 设备到设备发现中的认证
CN111918204A (zh) * 2014-10-03 2020-11-10 交互数字专利控股公司 用于限制直接发现的方法
CN107637105A (zh) * 2015-04-06 2018-01-26 交互数字专利控股公司 针对邻近服务(ProSe)直接发现的方法、装置和系统
US10841110B2 (en) * 2016-06-14 2020-11-17 Ofinno, Llc MCVideo identifier in an AAR command in a wireless network
CN111373782A (zh) * 2017-11-15 2020-07-03 诺基亚技术有限公司 针对直接发现的申请的授权

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
QUALCOMM INCORPORATED, CATT, TELECOM ITALIA , INTERDIGITAL: "ProSe On-Demand-Discovery (Model B)", 3GPP DRAFT; S2-144694_PROSE-MODEL-B-DISCOVERY_MERGED-V6, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG2, no. San Francisco, California, USA; 20141117 - 2014112, 22 November 2014 (2014-11-22), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP050924046 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025065695A1 (fr) * 2023-09-28 2025-04-03 北京小米移动软件有限公司 Procédé d'indication d'informations et terminal
WO2025097455A1 (fr) * 2023-11-10 2025-05-15 北京小米移动软件有限公司 Procédé et appareil de découverte, dispositif de communication, système de communication, et support de stockage

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