WO2022017359A1 - Procédé de commande de démarrage de communication directe et dispositif associé - Google Patents

Procédé de commande de démarrage de communication directe et dispositif associé Download PDF

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Publication number
WO2022017359A1
WO2022017359A1 PCT/CN2021/107278 CN2021107278W WO2022017359A1 WO 2022017359 A1 WO2022017359 A1 WO 2022017359A1 CN 2021107278 W CN2021107278 W CN 2021107278W WO 2022017359 A1 WO2022017359 A1 WO 2022017359A1
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WIPO (PCT)
Prior art keywords
terminal
direct communication
message
identifier
request message
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Ceased
Application number
PCT/CN2021/107278
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English (en)
Chinese (zh)
Inventor
王文
谢振华
郑倩
张艳霞
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Publication of WO2022017359A1 publication Critical patent/WO2022017359A1/fr
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application belongs to the field of communication technologies, and in particular, relates to a direct communication startup control method and related equipment.
  • a pedestrian type terminal (pedestrian user equipment, PUE) to send and receive V2X messages on the PC5 interface in the same cycle as a vehicle type terminal (vehicle user equipment, VUE).
  • PUE pedestrian user equipment
  • VUE vehicle user equipment
  • DRX discontinuous Reception
  • the purpose of the embodiments of the present application is to provide a direct communication start control method and related equipment, which can solve the problem of poor timeliness of service data transmission of direct communication.
  • a direct communication startup control method applied to a network device, including:
  • a notification message is sent, where the notification message is used to notify a target terminal to start the direct communication, and the target terminal includes at least one first terminal.
  • a direct communication start control method applied to the first terminal, including:
  • paging message sent by a network device, where the paging message carries a cause value for initiating direct communication indication, and the reason value for initiating direct communication indication is used to instruct the first terminal to initiate direct communication after monitoring the paging message ;
  • a direct communication start control method applied to a second terminal, including:
  • a request message is sent, where the request message is used to request the network device to notify a target terminal to start direct communication, where the target terminal includes at least one first terminal.
  • a direct communication startup control method applied to an application server, including:
  • a request message is sent, where the request message is used to request the network device to notify a target terminal to start direct communication, where the target terminal includes at least one first terminal.
  • a fifth aspect provides a direct communication start control device, comprising:
  • the first sending module is configured to send a notification message, where the notification message is used to notify a target terminal to start the direct communication, and the target terminal includes at least one first terminal.
  • a direct communication start control device comprising:
  • the second receiving module is configured to receive a paging message sent by a network device, where the paging message carries a cause value for initiating direct communication indication, and the reason value for initiating direct communication indication is used to indicate that the first terminal is listening to the Initiate direct communication after paging message;
  • a control module for initiating direct communication based on the cause value.
  • a direct communication start control device comprising:
  • the third sending module is configured to send a request message, where the request message is used to request the network device to notify the target terminal to start direct communication, and the target terminal includes at least one first terminal.
  • a network device comprising a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the processor When executed, the steps of the method as described in the first aspect are implemented.
  • a terminal in a ninth aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, when the program or instruction is executed by the processor.
  • a tenth aspect provides a server comprising a processor, a memory, and a program or instruction stored on the memory and executable on the processor, when the program or instruction is executed by the processor The steps of implementing the method of the fourth aspect.
  • a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the method according to the first aspect to the fourth aspect is implemented. step.
  • an embodiment of the present application provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a network device program or instruction to implement the following The method described in the first aspect.
  • a network device sends a notification message, where the notification message is used to notify a target terminal to start the direct communication, and the target terminal includes at least one first terminal.
  • the first terminal starts direct communication after receiving the notification message, and can establish a corresponding direct communication link and transmit service data through the direct communication link. Therefore, the embodiments of the present application improve the timeliness of service data transmission of direct communication.
  • FIG. 1 is a structural diagram of a network system to which an embodiment of the present application can be applied;
  • FIG. 2 is one of the flowcharts of a direct communication startup control method provided by an embodiment of the present application
  • FIG. 3 is the second flow chart of a direct communication start control method provided by an embodiment of the present application.
  • FIG. 6 is the fifth flowchart of a direct communication start control method provided by an embodiment of the present application.
  • FIG. 7 is one of the structural diagrams of a direct communication start control device provided by an embodiment of the present application.
  • FIG. 8 is the second structural diagram of a direct communication start control device provided by an embodiment of the present application.
  • FIG. 9 is a third structural diagram of a direct communication start control device provided by an embodiment of the present application.
  • FIG. 10 is a structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 11 is a structural diagram of a terminal provided by an embodiment of the present application.
  • FIG. 12 is a structural diagram of a network device provided by an embodiment of the present application.
  • FIG. 13 is a structural diagram of an application server provided by an embodiment of the present application.
  • first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and "first”, “second” distinguishes Usually it is a class, and the number of objects is not limited.
  • the first object may be one or multiple.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
  • NR New Radio
  • NR terminology is used in most of the following description, although these techniques are also applicable to applications other than NR system applications, such as 6th generation ( 6th Generation, 6G) communication system.
  • FIG. 1 shows a block diagram of a wireless communication system to which the embodiments of the present application can be applied.
  • the wireless communication system includes a terminal 11 and a network device 12 .
  • the terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital computer Assistant (Personal Digital Assistant, PDA), PDA, Netbook, Ultra-mobile Personal Computer (UMPC), Mobile Internet Device (MID), Wearable Device (Wearable Device) or vehicle-mounted device (VUE), pedestrian terminal (PUE) and other terminal-side devices, wearable devices include: bracelets, headphones, glasses, etc.
  • PDA Personal Digital Assistant
  • MID Mobile Internet Device
  • MID Wearable Device
  • VUE vehicle-mounted device
  • PUE pedestrian terminal
  • wearable devices include: bracelets, headphones, glasses, etc.
  • the network device 12 may be a base station or a core network, where the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, Transmission and Reception Point (Transmitting Receiving Point, TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical vocabulary, it should be noted that in the embodiment of this application, only NR is used The base station in the system is taken as an example, but the specific type of the base station is not limited.
  • FIG. 2 is a flowchart of a direct communication startup control method provided by an embodiment of the present application. The method is applied to a network device, as shown in FIG. 2, and includes the following steps:
  • Step 201 Send a notification message, where the notification message is used to notify a target terminal to start the direct communication, and the target terminal includes at least one first terminal.
  • the notification message may include at least one of the following: a non-access stratum (Non-Access Stratum, NAS) message, a radio resource control (Radio Resource Control, RRC) message, and a paging message.
  • NAS Non-Access Stratum
  • RRC Radio Resource Control
  • the direct communication can be notified through NAS information or an RRC message, or the direct communication can be notified through paging messages; for the first terminal in the disconnected state, the direct communication can be notified through Call message notification to initiate direct communication.
  • the AMF may notify the first terminal in the connected state to start the direct communication through NAS information, and the AMF may also notify the first terminal in the disconnected state to start the direct communication through a paging message.
  • the RAN may notify the first terminal in the connected state to start the direct communication through an RRC notification message, and the RAN may also notify the first terminal in the disconnected state to start the direct communication through a paging message.
  • the disconnected state can be understood as being idle and suspended or inactive.
  • the above-mentioned target terminal is a designated first terminal determined to send a notification according to a certain rule, and the target terminal determined to send a notification may include one or more first terminals, which is not further limited herein.
  • a network device sends a notification message, where the notification message is used to notify a target terminal to start the direct communication, and the target terminal includes at least one first terminal.
  • the first terminal starts direct communication after receiving the notification message, and can establish a corresponding direct communication link and transmit service data through the direct communication link. Therefore, the embodiments of the present application improve the timeliness of service data transmission of direct communication.
  • the paging message in the case where the notification message is a paging message, the paging message carries a paging cause for initiating the direct communication indication, and the paging cause for initiating the direct communication indication is used. for instructing the first terminal to initiate direct communication after monitoring the paging message.
  • the first terminal after receiving the paging message, the first terminal can parse and obtain the cause value, and the cause value carried in the paging message is used to indicate that the first terminal starts the direct communication after monitoring the paging message.
  • the first terminal may control the initiation of direct communication based on the cause value.
  • the method before sending the notification message, the method further includes:
  • the above-mentioned reception request message may be sent by the second terminal, or may be sent by the application server.
  • the above-mentioned first terminal may be understood as a PUE, or other UE with the same function.
  • the above-mentioned second terminal may be understood as any type of UE, for example, may be a PUE or a VUE, which is not further limited herein.
  • the second terminal may directly send the request message to the network device.
  • the second terminal may send the above request message to an access and mobility management function (Access and Mobility Management Function, AMF), or may send the above request message to a radio access network (Radio Access Network, RAN).
  • AMF Access and Mobility Management Function
  • RAN Radio Access Network
  • the second terminal may send a request message to the application server, and the application server forwards the request message.
  • the application server can be understood as an application function (Application Function, AF).
  • AF Application Function
  • the above request message may be sent to the AF through an application layer message.
  • the AF sends a service request to the Policy Control Function (PCF) through the Network Exposure Function (NEF), where the request is used to request the core network to trigger the specified service to initiate PC5 interface communication.
  • PCF Policy Control Function
  • NEF Network Exposure Function
  • the application server may also send the request message to the network device spontaneously.
  • the above-mentioned target terminal may be determined by the network device, and may also be provided by the second terminal and the application server, which is not further limited herein.
  • the request message in the above request message includes at least one of the following:
  • the first identifier of the first terminal is the first identifier of the first terminal.
  • the communication type of the direct communication may be understood as the communication type of the PC5 interface, for example, it may be a communication type such as broadcast, unicast or multicast.
  • the above-mentioned first identification may be at least one of an application layer identification, a subscription encryption identification (Subscription Concealed Identifier, SUCI) and a globally unique temporary UE identification (Globally Unique Temporary UE Identity, GUTI).
  • the above-mentioned target terminal includes at least one of the following:
  • the first terminal is determined based on the location of the second terminal.
  • the network device may directly determine the first terminal mapped by the first identifier as the target terminal.
  • the network device may determine the target terminal based on the location of the second terminal, which is the first terminal that the network device expects to establish direct communication with.
  • the target terminal may also be determined in combination with the second terminal or the first terminal that the application server expects to establish direct communication with and the first terminal that the network device expects to establish direct communication with.
  • the specific combination mode can be set according to actual needs, for example, it can be intersection or union.
  • an adjacent terminal is determined based on the location of the second terminal, and then the first terminal is determined based on the context and subscription information.
  • the network device may target the terminal based on the context of the second terminal's proximity to the first terminal and subscription information.
  • the sending a notification message includes:
  • the notification message is sent within the target area.
  • the above-mentioned target area can be determined according to any one of the following:
  • the target area may be determined based on any one or more of the above.
  • the following will take the location of the second terminal and/or the notification range provided by the application server as an example for detailed description.
  • an area where the second terminal is located may be determined based on the location of the second terminal, and the target area may be determined based on the area. It is also possible to determine the information of the adjacent first terminal based on the position of the second terminal, and to determine which first terminals need to be notified to start direct communication based on the information of the adjacent first terminal and the subscription information of the second terminal or the context of the second terminal. Determine the target area. It should be understood that, in this embodiment, when the request message is sent by the second terminal, the target area may be determined based on the location of the second terminal.
  • the target area may also be determined based on the notification area provided by the server.
  • the notification area provided by the application server is the notification area where the application server needs to notify the network side to initiate direct communication, and the network device maps the area provided by the server to the area identified by the network device. It should be understood that when the application server provides the notification area, the notification area may be provided in the above request message, or may be provided through other messages, which is not further limited herein.
  • the above target area may also be determined in combination with the location of the second terminal and the notification area provided by the application server.
  • the first area determined by the notification area provided by the application server and the second area determined based on the location of the second terminal may be the target area selected according to certain rules.
  • the rule may be union or intersection, etc., which is not further limited here.
  • the method further includes:
  • a first response message sent by the first terminal is received, where the first response message is used to indicate that the first terminal has started the direct communication.
  • the first terminal after the first terminal receives the above-mentioned paging message, it can start direct communication, and after starting the direct communication, it returns a first response message to the network device to confirm that the first terminal has started the direct communication .
  • the first response message carries the first identification of the first terminal, and the second identification includes at least one of an application layer identification, a subscription encryption identification and a globally unique temporary terminal identification.
  • the method when the receiving request message is sent by the second terminal, after the receiving the first response message sent by the first terminal, the method further includes:
  • the second response message carries the second identifier
  • the second terminal is a terminal that sends a request message
  • the request message is used to request the network device to notify the target terminal to start direct communication.
  • the network device notifies the first identification of the first terminal through the second response message, so that the second terminal can learn to establish direct communication with a specific first terminal, thereby improving the reliability of data transmission.
  • the first terminal may change the current discontinuous reception DRX mode.
  • changing the current DRX mode includes any of the following:
  • the sleep state can be understood as the off state
  • the above active state can be understood as the on state. It is assumed that the DRX mode is in the off state at this time, and the Off state is changed to On for a period of time.
  • the above-mentioned first DRX mode can be understood as a DRX mode that keeps silent all the time
  • the above-mentioned second DRX mode can be understood as a DRX mode with a periodic switch PC5 interface for listening and sending.
  • the second DRX mode may be a DRX mode mapped to a service type or an application identifier or a temporary group identifier.
  • the DRX pattern may be referred to as a DRX pattern, or may be referred to as a DRX Cycle.
  • different DRX modes can be understood as DRX with different periods, wherein, changing the first DRX mode to the second DRX mode can be understood as changing from one DRX to another DRX, wherein before the change The DRX cycle is different from the changed DRX cycle.
  • changing the current DRX mode refers to the processing of DRX for direct communication, and in this embodiment of the present application, the direct communication may become PC5 interface communication or sidelink communication.
  • the second terminal may directly start direct communication when sending the request message.
  • Embodiment 1 After receiving a request from the second terminal, the AMF starts a PC5 interface communication instruction by sending a specific service. As shown in Figure 3, it includes the following steps:
  • Step 301 the terminals (UE-1, PUE-1 and PUE-2) obtain PC5 communication authorization and parameter configuration of the network device, optionally, UE-1 may be a VUE or PUE or other UE with PC5 communication capability.
  • UE-1 may be a VUE or PUE or other UE with PC5 communication capability.
  • Step 302 UE-1 sends a first request to the AMF, the first request is used to request the AMF to notify the first terminal or the first terminal in the group PC5 interface communication start notification, the request carries the service type, the PC5 interface communication type and the identifier of the first terminal, where the identifier of the first terminal can be understood as the application identifier of the first terminal.
  • Step 303 the AMF determines whether to send the first terminal to start the PC5 interface communication based on the subscription information of UE-1 or the context of UE-1, and the information of the PUE adjacent to UE-1.
  • Step 304 for the PUE in the connected state, for example, PUE-1 is in the connected state.
  • the AMF notifies the PUE-1 to start the PC5 interface communication through the NAS information, where the NAS information carries the service type.
  • Step 305 for the PUE in the idle state, for example, PUE-2 is in the idle state.
  • AMF informs PUE-2 to start PC5 interface communication through paging message.
  • the paging message carries a reason value (paging cause) for initiating PC5 interface communication.
  • the PUE-1 in the connected state may also notify the PUE-1 to start the PC5 interface communication through the above paging message.
  • the AMF can determine the paging area based on the location of UE-1 and the range of the service type communicated on the PC5 interface, and the AMF can determine the paging area by determining the PUE adjacent to UE-1 from the location control function device.
  • Changing the DRX mode can include any of the following:
  • Convert the original DRX mode to another DRX mode for example, convert the original DRX mode that keeps silent all the time into a DRX mode that has a periodic switch PC5 interface for listening and sending.
  • one service may correspond to one DRX mode, and the UE starts the corresponding DRX mode based on the service identifier.
  • the PUE determines whether it is currently in the paging area based on the paging area, where the paging area is the paging area determined by the network side.
  • Step 306 after receiving the notification from the AMF, PUE-1 and PUE-2 start PC5 interface communication, and the start PC5 interface communication may be sending (announcing) or listening (listening). Optionally, if PUE-1 and PUE-2 have started PC5 interface communication, they may no longer monitor paging messages of the above-mentioned service type.
  • PUE-1 and PUE-2 reply a response to the AMF for confirming that PC5 interface communication is started, and the reply message may carry the UE identifier.
  • the UE identifier may be an application layer identifier of the UE, SUCI, and the like.
  • UE-1 may start the PC5 interface communication mechanism.
  • Embodiment 2 After receiving a request from the second terminal, the RAN sends an instruction to enable the PC5 interface communication by sending a specific service. As shown in Figure 4, it includes the following steps:
  • Step 401 the terminals (UE-1, PUE-1 and PUE-2) obtain PC5 communication authorization and parameter configuration of the network device, optionally, UE-1 may be a VUE or PUE or other UE with PC5 communication capability.
  • Step 402 UE-1 sends a first request to the RAN, the first request is used to request the RAN to notify the first terminal or the first terminal in the group PC5 interface communication start notification, the request carries the service type, the PC5 interface communication type and the identifier of the first terminal, where the identifier of the first terminal can be understood as the application identifier of the first terminal.
  • Step 403 the RAN determines whether to send the first terminal to start PC5 interface communication based on the subscription information of UE-1 or the context of UE-1, and the information of the PUE adjacent to UE-1.
  • Step 404 for the PUE in the connected state, for example, PUE-1 is in the connected state.
  • the RAN notifies the PUE-1 to start the PC5 interface communication through the RRC information, where the RRC information carries the service type.
  • Step 405 for the PUE in the idle state, for example, PUE-2 is in the idle state.
  • the RAN notifies the PUE-2 to start the PC5 interface communication through the paging message.
  • the paging message carries a reason value (paging cause) that initiates PC5 interface communication.
  • paging does not limit the connection state of the PUE.
  • the PUE in the connected state, idle state, or inactive state can be notified by paging, that is, the PUE-1 in the connected state can also be notified through the above paging message.
  • PUE-1 initiates PC5 interface communication.
  • Changing the DRX mode can include any of the following:
  • Convert the original DRX mode to another DRX mode for example, convert the original DRX mode that keeps silent all the time into a DRX mode that has a periodic switch PC5 interface for listening and sending.
  • one service may correspond to one DRX mode, and the UE starts the corresponding DRX mode based on the service identifier.
  • the PUE determines whether it is currently in the paging area based on the paging area, where the paging area is the paging area determined by the network side.
  • Step 406 after receiving the notification from the AMF, the PUE-1 and PUE-2 start PC5 interface communication, and the start PC5 interface communication may be announcing or listing.
  • the start PC5 interface communication may be announcing or listing.
  • PUE-1 and PUE-2 may no longer monitor paging messages of the above-mentioned service type.
  • PUE-1 and PUE-2 reply a response to the AMF for confirming that PC5 interface communication is started, and the reply message may carry the UE identifier.
  • the UE identifier may be an application layer identifier of the UE, SUCI, and the like.
  • UE-1 may start the PC5 interface communication mechanism.
  • Embodiment 3 The second terminal sends a request to the AF, and the AF notifies the AMF to enable the PC5 interface communication instruction by sending a specific service. As shown in Figure 5, it includes the following steps:
  • Step 501 the terminals (UE-1, PUE-1 and PUE-2) obtain PC5 communication authorization and parameter configuration of the network device, optionally, UE-1 may be a VUE or PUE or other UE with PC5 communication capability.
  • Step 502 UE-1 sends a second request to the AF, the second request is used to request the network to initiate the first terminal or the first terminal in the group to initiate PC5 interface communication, and the second request may carry the service type, PC5 interface Communication type, identification of the second terminal and group identification.
  • Step 503 the AF sends a service request to the PCF through the NEF, and the NEF request is used to request the core network to trigger the specified service to start the PC5 interface communication, and the request carries the service type and the PC5 start instruction and the identifier of the UE-1.
  • the location of UE-1 determines which core network functional entities are notified.
  • Step 504 the AMF determines whether to send a notification that the first terminal starts PC5 interface communication based on the subscription information of UE-1 or the context of UE-1, the subscription information and group information of the first terminal.
  • Step 505 for the PUE in the connected state, for example, PUE-1 is in the connected state.
  • the AMF notifies the PUE-1 to start the PC5 interface communication through the NAS information, where the NAS information carries the service type.
  • Step 506 for the PUE in the idle state, for example, PUE-2 is in the idle state.
  • AMF informs PUE-2 to start PC5 interface communication through paging message.
  • the paging message carries a reason value (paging cause) for initiating PC5 interface communication.
  • the PUE-1 in the connected state may also notify the PUE-1 to start the PC5 interface communication through the above paging message.
  • the AMF can determine the paging area based on the location of UE-1 and the range of the service type communicated on the PC5 interface, and the AMF can determine the paging area by determining the PUE adjacent to UE-1 from the location control function device.
  • Changing the DRX mode can include any of the following:
  • Convert the original DRX mode to another DRX mode for example, convert the original DRX mode that keeps silent all the time into a DRX mode that has a periodic switch PC5 interface for listening and sending.
  • one service may correspond to one DRX mode, and the UE starts the corresponding DRX mode based on the service identifier.
  • the PUE determines whether it is currently in the paging area based on the paging area, where the paging area is the paging area determined by the network side.
  • Step 507 after receiving the notification from AMF, PUE-1 and PUE-2 start PC5 interface communication, and the start PC5 interface communication may be announcing or listing.
  • PUE-1 and PUE-2 may no longer monitor paging messages of the above-mentioned service type.
  • PUE-1 and PUE-2 reply a response to the AMF for confirming that PC5 interface communication is started, and the reply message may carry the UE identifier.
  • the UE identifier may be an application layer identifier of the UE, SUCI, and the like.
  • the AMF sends a response message to UE-1, and the message may carry the above-mentioned UE identifier, so that UE-1 can establish PC5 interface communication with a specific PUE.
  • UE-1 may start the PC5 interface communication mechanism.
  • FIG. 6 is a flowchart of another direct communication startup control method provided by an embodiment of the present application. The method is applied to the first terminal, as shown in FIG. 6, and includes the following steps:
  • Step 601 Receive a paging message sent by a network device, where the paging message carries a reason value for initiating a direct communication indication, and the reason value for initiating a direct communication indication is used to indicate that the first terminal listens to the paging message after monitoring the paging message. Initiate direct communication;
  • Step 602 based on the cause value, initiate direct communication.
  • the method further includes:
  • a first response message is sent, where the first response message is used to indicate that the first terminal has initiated the direct communication.
  • the method further includes:
  • the current DRX mode is changed.
  • the changing of the current DRX mode includes any of the following:
  • the current DRX mode is the first DRX mode
  • the current DRX mode is converted to the second DRX mode.
  • the second DRX mode is a DRX mode mapped to a service type or an application identifier or a temporary group identifier.
  • this embodiment is an implementation of the first terminal corresponding to the embodiment shown in FIG. 2 , and the specific implementation can refer to the relevant description of the embodiment shown in FIG. 2 to achieve the same beneficial effects. In order to To avoid repeating the description, it will not be repeated here.
  • a request message is sent, where the request message is used to request the network device to notify a target terminal to start direct communication, where the target terminal includes at least one first terminal.
  • the request message includes at least one of the following:
  • the first identifier of the first terminal is the first identifier of the first terminal.
  • the sending request message includes any of the following:
  • the request message is sent to the application server.
  • the method further includes:
  • a second response message sent by the network device is received, where the second response message carries a second identifier of the first terminal, and the second identifier includes at least one of an application layer identifier, a subscription encryption identifier, and a globally unique temporary terminal identifier.
  • the method further includes:
  • the direct communication is initiated.
  • this embodiment is an implementation of the second terminal corresponding to the embodiment shown in FIG. 2 , and the specific implementation can refer to the relevant description of the embodiment shown in FIG. 2 to achieve the same beneficial effects. In order to To avoid repeating the description, it will not be repeated here.
  • a request message is sent, where the request message is used to request the network device to notify a target terminal to start direct communication, where the target terminal includes at least one first terminal.
  • the request message includes at least one of the following:
  • the first identifier of the first terminal is the first identifier of the first terminal.
  • the method further includes:
  • a notification area of the target terminal is provided to the network device, where the notification area is used by the network device to determine a target area for sending a notification message, and the notification message is used to notify the target terminal to initiate direct communication.
  • this embodiment is an implementation of the second terminal corresponding to the embodiment shown in FIG. 2 , and the specific implementation can refer to the relevant description of the embodiment shown in FIG. 2 to achieve the same beneficial effects. In order to To avoid repeating the description, it will not be repeated here.
  • the execution subject may be a direct communication activation control device, or a control module in the direct communication activation control device for executing the direct communication activation control method.
  • the direct communication initiation control apparatus provided by the embodiments of the present application is described by taking the direct communication initiation control apparatus executing the direct communication initiation control method as an example.
  • FIG. 7 is a structural diagram of a direct communication activation control apparatus provided by an embodiment of the present application.
  • the direct communication activation control apparatus 700 includes:
  • the first sending module 701 is configured to send a notification message, where the notification message is used to notify a target terminal to start the direct communication, and the target terminal includes at least one first terminal.
  • the notification message includes at least one of the following: a non-access stratum NAS message, a radio resource control RRC message, and a paging message.
  • the paging message carries a reason value for initiating the direct communication indication, and the reason value for initiating the direct communication indication is used to indicate that the first terminal is listening to the Direct communication is initiated after the paging message described above.
  • the direct communication start control device 700 further includes:
  • the first receiving module is configured to receive a request message from the second terminal or the application server, where the request message is used to request the network device to notify the target terminal to start direct communication.
  • the request message includes at least one of the following:
  • the first identifier of the first terminal is the first identifier of the first terminal.
  • the target terminal includes at least one of the following:
  • the first terminal is determined based on the location of the second terminal.
  • the first sending module is specifically configured to:
  • the notification message is sent within the target area.
  • the target area is determined according to any of the following:
  • the direct communication start control device 700 further includes:
  • a first receiving module configured to receive a first response message sent by the first terminal, where the first response message is used to indicate that the first terminal has started the direct communication.
  • the first response message carries a second identifier of the first terminal, and the second identifier includes at least one of an application layer identifier, a subscription encryption identifier, and a globally unique temporary terminal identifier.
  • the first sending module is further configured to: send a second response message to the second terminal;
  • the second response message carries the second identifier
  • the second terminal is a terminal that sends a request message
  • the request message is used to request the network device to notify the target terminal to start direct communication.
  • the network device provided in this embodiment of the present application can implement each process implemented by the network device in the method embodiment of FIG. 2 , and to avoid repetition, details are not described here.
  • FIG. 8 is a structural diagram of a direct communication activation control apparatus provided by an embodiment of the present application. As shown in FIG. 8, the direct communication activation control apparatus 800 includes:
  • the second receiving module 801 is configured to receive a paging message sent by a network device, where the paging message carries a cause value for initiating the direct communication indication, and the reason value for initiating the direct communication indication is used to indicate that the first terminal is listening to the Start direct communication after the paging message;
  • the direct communication start control device 800 further includes:
  • the second sending module is configured to send a first response message, where the first response message is used to indicate that the first terminal has started the direct communication.
  • the direct communication start control device 800 further includes:
  • An adjustment module configured to change the current discontinuous reception DRX mode after receiving the paging message.
  • the changing of the current DRX mode includes any of the following:
  • the current DRX mode is the first DRX mode
  • the current DRX mode is converted to the second DRX mode.
  • the second DRX mode is a DRX mode mapped to a service type or an application identifier or a temporary group identifier.
  • the network device provided in this embodiment of the present application can implement each process implemented by the first terminal in the method embodiment shown in FIG. 3 , which is not repeated here to avoid repetition.
  • FIG. 9 is a structural diagram of a direct communication activation control device provided by an embodiment of the present application.
  • the direct communication activation control device 900 includes:
  • the third sending module 901 is configured to send a request message, where the request message is used to request the network device to notify a target terminal to start direct communication, where the target terminal includes at least one first terminal.
  • the request message includes at least one of the following:
  • the first identifier of the first terminal is the first identifier of the first terminal.
  • the fourth sending module 901 is specifically configured to execute any of the following:
  • the request message is sent to the application server.
  • the direct communication start control device 900 further includes:
  • a third receiving module configured to receive a second response message sent by the network device, where the second response message carries a second identifier of the first terminal, and the second identifier includes an application layer identifier, a subscription encryption identifier, and a globally unique temporary identifier.
  • the terminal identifies at least one of them.
  • the direct communication start control device 900 further includes:
  • a processing module for initiating the direct communication.
  • the network device provided in the embodiment of the present application can implement each process in the direct communication start control method of the second terminal, which is not repeated here in order to avoid repetition.
  • FIG. 9 is a structural diagram of a direct communication activation control device provided by an embodiment of the present application.
  • the direct communication activation control device 900 includes:
  • the third sending module 901 is configured to send a request message, where the request message is used to request the network device to notify a target terminal to start direct communication, where the target terminal includes at least one first terminal.
  • the request message includes at least one of the following:
  • the first identifier of the first terminal is the first identifier of the first terminal.
  • the third sending module 901 is further configured to: provide the network device with a notification area of the target terminal, where the notification area is used by the network device to determine a target area for sending a notification message, and the notification message is used to notify The target terminal initiates direct communication.
  • the network device provided in the embodiment of the present application can implement each process in the direct communication startup control method on the application server side, and to avoid repetition, details are not described here.
  • the direct communication activation control device in the embodiment of the present application may be a device, or may be a component, an integrated circuit, or a chip in a terminal.
  • the device may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
  • the direct communication startup control device in the embodiment of the present application may be a device having an operating system.
  • the operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
  • the direct communication activation control device provided in the embodiment of the present application can implement the various processes implemented by the method embodiments of FIG. 2 to FIG. 6 , and achieve the same technical effect. In order to avoid repetition, details are not repeated here.
  • an embodiment of the present application further provides a communication device 1000, including a processor 1001, a memory 1002, a program or instruction stored in the memory 1002 and executable on the processor 1001,
  • a communication device 1000 including a processor 1001, a memory 1002, a program or instruction stored in the memory 1002 and executable on the processor 1001
  • the communication device 1000 is a terminal
  • the program or instruction is executed by the processor 1001
  • each process of the above-mentioned embodiment of the direct communication start control method is implemented, and the same technical effect can be achieved.
  • the communication device 1000 is a network device, when the program or instruction is executed by the processor 1001, each process of the above-described direct communication startup control method embodiment can be achieved, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • FIG. 11 is a schematic diagram of a hardware structure of a terminal implementing various embodiments of the present application.
  • the terminal 1100 includes but is not limited to: a radio frequency unit 1101, a network module 1102, an audio output unit 1103, an input unit 1104, a sensor 1105, a display unit 1106, a user input unit 1107, an interface unit 1108, a memory 1109, a processor 1110 and other components.
  • the terminal 1100 may also include a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to the processor 1110 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions.
  • a power source such as a battery
  • the terminal structure shown in FIG. 11 does not constitute a limitation on the terminal, and the terminal may include more or less components than shown, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 1104 may include a graphics processor (Graphics Processing Unit, GPU) 11041 and a microphone 11042, and the graphics processor 11041 is used to communicate with the image capture device (such as camera) to obtain still pictures or video image data for processing.
  • the display unit 1106 may include a display panel 11061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 1107 includes a touch panel 11071 and other input devices 11072 .
  • the touch panel 11071 is also called a touch screen.
  • the touch panel 11071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 11072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be described herein again.
  • the radio frequency unit 1101 receives the downlink data from the network device, and then processes it to the processor 1110; in addition, sends the uplink data to the network device.
  • the radio frequency unit 1101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • Memory 1109 may be used to store software programs or instructions as well as various data.
  • the memory 109 may mainly include a storage program or instruction area and a storage data area, wherein the stored program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 1109 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • the processor 1110 may include one or more processing units; optionally, the processor 1110 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, and application programs or instructions, etc. Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 1110.
  • the radio frequency unit 1101 is configured to receive a paging message sent by a network device, where the paging message carries a cause value for initiating the direct communication indication, and the reason value for initiating the direct communication indication is used to indicate that the first terminal is listening to the Start direct communication after the paging message;
  • the processor 1110 is configured to initiate direct communication based on the cause value.
  • the radio frequency unit 1101 is configured to send a request message, where the request message is used to request the network device to notify a target terminal to start direct communication, where the target terminal includes at least one first terminal.
  • the above-mentioned processor 1110 and the radio frequency unit 1101 can implement each process implemented by the terminal in the method embodiment on the terminal side, and in order to avoid repetition, details are not repeated here.
  • the embodiment of the present application further provides a network device.
  • the network device 1200 includes: an antenna 1201 , a radio frequency device 1202 , and a baseband device 1203 .
  • the antenna 1201 is connected to the radio frequency device 1202 .
  • the radio frequency device 1202 receives information through the antenna 1201, and sends the received information to the baseband device 1203 for processing.
  • the baseband device 1203 processes the information to be sent and sends it to the radio frequency device 1202
  • the radio frequency device 1202 processes the received information and sends it out through the antenna 1201 .
  • the above-mentioned frequency band processing apparatus may be located in the baseband apparatus 1203, and the method performed by the network device in the above embodiment may be implemented in the baseband apparatus 1203.
  • the baseband apparatus 1203 includes a processor 1204 and a memory 1205.
  • the baseband device 1203 may include, for example, at least one baseband board on which a plurality of chips are arranged, as shown in FIG. 12 , one of the chips is, for example, the processor 1204 , which is connected to the memory 1205 to call the program in the memory 1205 to execute
  • the network devices shown in the above method embodiments operate.
  • the baseband device 1203 may further include a network interface 1206 for exchanging information with the radio frequency device 1202, and the interface is, for example, a common public radio interface (CPRI).
  • CPRI common public radio interface
  • the network device in the embodiment of the present invention further includes: instructions or programs stored in the memory 1205 and executable on the processor 1204, and the processor 1204 invokes the instructions or programs in the memory 1205 to execute the modules shown in FIG. 7 to execute method, and achieve the same technical effect, in order to avoid repetition, it is not repeated here.
  • the embodiment of the present application further provides an application server.
  • the application server 1300 includes: an antenna 1301 , a radio frequency device 1302 , and a baseband device 1303 .
  • the antenna 1301 is connected to the radio frequency device 1302 .
  • the radio frequency device 1302 receives information through the antenna 1301, and sends the received information to the baseband device 1303 for processing.
  • the baseband device 1303 processes the information to be sent and sends it to the radio frequency device 1302
  • the radio frequency device 1302 processes the received information and sends it out through the antenna 1301 .
  • the above-mentioned frequency band processing apparatus may be located in the baseband apparatus 1303 , and the method executed by the application server in the above embodiment may be implemented in the baseband apparatus 1303 , and the baseband apparatus 1303 includes a processor 1304 and a memory 1305 .
  • the baseband device 1303 may include, for example, at least one baseband board on which a plurality of chips are arranged, as shown in FIG. 13 , one of the chips is, for example, the processor 1304 , which is connected to the memory 1305 to call a program in the memory 1305 to execute The application server operations shown in the above method embodiments.
  • the baseband device 1303 may further include a network interface 1306 for exchanging information with the radio frequency device 1302, and the interface is, for example, a common public radio interface (CPRI).
  • CPRI common public radio interface
  • the application server in this embodiment of the present invention further includes: instructions or programs stored in the memory 1305 and executable on the processor 1304, and the processor 1304 invokes the instructions or programs in the memory 1305 to execute modules corresponding to the application server side
  • the embodiments of the present application further provide a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the above-mentioned embodiment of the direct communication startup control method is implemented, and can To achieve the same technical effect, in order to avoid repetition, details are not repeated here.
  • the processor is the processor in the electronic device described in the foregoing embodiments.
  • the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
  • An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a network device program or instruction to implement the above-mentioned direct communication startup control
  • the chip includes a processor and a communication interface
  • the communication interface is coupled to the processor
  • the processor is used to run a network device program or instruction to implement the above-mentioned direct communication startup control
  • 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-a-chip, or a system-on-a-chip, or the like.

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

Abstract

Sont divulgués dans la présente demande un procédé de commande de démarrage de communication directe et un dispositif associé, le procédé faisant appel à l'étape suivante : l'envoi d'un message de notification, le message de notification étant utilisé pour notifier à des terminaux cibles de démarrer une communication directe, et les terminaux cibles comprenant au moins un premier terminal.
PCT/CN2021/107278 2020-07-21 2021-07-20 Procédé de commande de démarrage de communication directe et dispositif associé Ceased WO2022017359A1 (fr)

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