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WO2022082434A1 - Procédé de communication entre terminaux, ainsi que dispositif terminal et dispositif de réseau - Google Patents

Procédé de communication entre terminaux, ainsi que dispositif terminal et dispositif de réseau Download PDF

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Publication number
WO2022082434A1
WO2022082434A1 PCT/CN2020/122206 CN2020122206W WO2022082434A1 WO 2022082434 A1 WO2022082434 A1 WO 2022082434A1 CN 2020122206 W CN2020122206 W CN 2020122206W WO 2022082434 A1 WO2022082434 A1 WO 2022082434A1
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WO
WIPO (PCT)
Prior art keywords
terminal
network device
information
message
interface
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/CN2020/122206
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English (en)
Chinese (zh)
Inventor
卢前溪
刘建华
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.)
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Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CN202080105171.4A priority Critical patent/CN116114366B/zh
Priority to PCT/CN2020/122206 priority patent/WO2022082434A1/fr
Publication of WO2022082434A1 publication Critical patent/WO2022082434A1/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
    • H04W36/00—Hand-off or reselection arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup

Definitions

  • the embodiments of the present application relate to the field of communications, and in particular, to a method, a terminal device, and a network device for communication between terminals.
  • the current remote UE is connected to the network through the Uu interface. Due to the mobility of the remote UE, a relay UE may be required to connect to the network to transfer data between the remote UE and the network. In other scenarios, the remote UE is connected to the network through a relay UE. Due to the mobility of the remote UE, a new relay UE may be required to connect to the network to transfer data between the remote UE and the network. If the remote UE is in a connected state and the relay UE is in a disconnected state, such as an idle state or a deactivated state, in this case, how to implement communication between terminals is an urgent problem to be solved.
  • a method for inter-terminal communication comprising: a first terminal receiving first information sent by a second terminal, the first information including identity information of the second terminal; the first The terminal sends the first information to a first network device, and the first network device is the network device of the cell where the first terminal resides; the first terminal receives the handover command sent by the first network device, and the The switching command is used to instruct the first terminal to switch the relay connection of the first terminal; the first terminal establishes a connection with the second terminal based on the switching command.
  • a method for inter-terminal communication comprising: a second terminal sending first information to a first terminal, where the first information includes identity information of the second terminal; the second terminal Receive a paging message sent by a second network device, where the paging message is generated according to the first information, and the second network device is a network device in a cell where the second terminal resides; the second terminal is based on the the paging message to establish a connection with the second network device; the second terminal establishes a connection with the first terminal; the second terminal is between the second network device and the first terminal Relay of data between terminals.
  • a method for inter-terminal communication comprising: a second network device receiving first information sent by a first device, where the first information includes identity information of a second terminal, wherein the first information A device is a first terminal or a first network device; the second network device pages the second terminal according to the first information; when the second terminal enters the connected state, the second The network device sends a switching command to the first device, where the switching command is used to instruct the first terminal to switch the relay connection of the first terminal.
  • a method for inter-terminal communication comprising: a first network device receiving first information sent by a first terminal, where the first information includes identity information of a second terminal; the first network device The device sends the first information to a second network device, where the second network device is a network device in a cell where the second terminal resides; the first network device receives the handover command sent by the second network device, The switching command is used to instruct the first terminal to switch the relay connection of the first terminal; the first network device sends the switching command to the first terminal.
  • a terminal device for executing the methods in the above-mentioned first to second aspects or their respective implementations.
  • the terminal device includes a unit for executing the methods in the first aspect to the second aspect or the respective implementation manners thereof.
  • a network device for executing the methods in the third aspect to the fourth aspect or each of the implementation manners thereof.
  • the network device includes a unit for performing the methods in the third aspect to the fourth aspect or the respective implementation manners thereof.
  • a network device in an eighth aspect, includes: a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the methods of the third aspect to the fourth aspect or their respective implementations.
  • a computer-readable storage medium for storing a computer program, the computer program causing a computer to execute the method in any one of the above-mentioned first to fourth aspects or each of its implementations.
  • a computer program product comprising computer program instructions, the computer program instructions causing a computer to execute the method in any one of the above-mentioned first to fourth aspects or the respective implementations thereof.
  • a twelfth aspect provides a computer program that, when run on a computer, causes the computer to perform the method of any one of the above-mentioned first to fourth aspects or the implementations thereof.
  • the second terminal can send the identity information of the second terminal to the first terminal, and the first terminal further transmits the identity information of the second terminal to the network device, so that the network device can be based on the first terminal.
  • the identity information of the two terminals pages the second terminal, triggers the second terminal to enter a connected state, and further establishes a connection between the first terminal and the second terminal, thereby realizing communication between the terminals based on the connection.
  • FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a relay transmission provided by an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a relay discovery process according to an embodiment of the present application.
  • FIG. 5 is a schematic diagram of another relay discovery process according to an embodiment of the present application.
  • FIG. 6 is a schematic interaction diagram of a method for inter-terminal communication according to another embodiment of the present application.
  • FIG. 8 is a schematic block diagram of a network device provided according to an embodiment of the present application.
  • FIG. 9 is a schematic block diagram of a terminal device provided according to an embodiment of the present application.
  • FIG. 12 is a schematic block diagram of a chip provided according to an embodiment of the present application.
  • FIG. 13 is a schematic block diagram of a communication system provided according to an embodiment of the present application.
  • 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 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 (STATION, ST) in the WLAN, can be a cellular phone, a cordless phone, a Session Initiation Protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, 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.
  • PLMN Public Land Mobile Network
  • 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 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
  • 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.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 120 (or referred to as a communication terminal, a terminal).
  • the network device 110 may provide communication coverage for a particular geographic area, and may communicate with terminal devices located within the coverage area.
  • the communication system 100 may further include other network entities such as a network controller and a mobility management entity, which are not limited in this embodiment of the present application.
  • 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.
  • pre-definition may be implemented by pre-saving corresponding codes, forms, or other means that can be used to indicate relevant information in devices (for example, including terminal devices and network devices).
  • the implementation method is not limited.
  • pre-defined may refer to the definition in the protocol.
  • Mode A Use a relay network (UE-to-network relay) to communicate with network devices.
  • UE-to-network relay UE-to-network relay
  • the remote UE can be connected to the network device through a one-hop or multi-hop relay UE.
  • the relay UEs are connected and communicated through the PC5 interface.
  • the remote UE can realize the connection and communication with the network device through the Uu interface.
  • the relay terminal may be, for example, a layer 2 relay or a layer 3 relay.
  • the layer 3 relay may support the functions of the IP layer, and optionally, may also support the functions of the upper layers of the IP layer.
  • the layer 3 relay can assume the function of the IP layer relay, transmit data between the remote terminal and the network, and pass the side line between the remote terminal and the relay terminal. link connection.
  • the remote UE is connected to the network through the Uu interface. Due to the mobility of the remote UE, a relay UE may be required to connect to the network to transfer data between the remote UE and the network. In other scenarios, The remote UE is connected to the network through a relay UE. Due to the mobility of the remote UE, a new relay UE may be required to connect to the network to transfer data between the remote UE and the network. If the remote UE is in a connected state and the relay UE is in a disconnected state, such as an idle state or a deactivated state, in this case, how to implement communication between terminals is an urgent problem to be solved.
  • the first terminal is in a connected state
  • the second terminal is in a disconnected state, for example, an idle (RRC_IDLE) state or an inactive (RRC_INACTIVE) state.
  • FIG. 3 is a schematic interaction diagram of a method 300 for inter-terminal communication provided by an embodiment of the present application.
  • the cells where the first terminal and the second terminal reside are the same. That is, the first network device and the second network device are the same network device, that is, the first network device is a network device in a cell where the first terminal and the second terminal reside.
  • the first terminal is a remote terminal
  • the second terminal is a relay terminal.
  • the second terminal may be used to communicate data between the first network device and the first terminal.
  • the first information further includes discontinuous reception (Discontinuous Reception, DRX) configuration information of the second terminal.
  • DRX discontinuous Reception
  • the DRX configuration information may include DRX configuration for determining paging resources (eg, Paging Frame (PF) or Paging Occasion (PO)). For example, the DRX cycle, the number of PFs included in one DRX cycle, the number of POs included in one PF, the time domain offset of the PF, and the like.
  • PF Paging Frame
  • PO Paging Occasion
  • the terminal device and the network device may be connected through a first interface, and the terminal devices may be connected through a second interface, that is, the first interface is between the terminal device and the network device.
  • the second interface is a communication interface between terminal devices.
  • the first interface may be a Uu interface.
  • the connection between the terminal device and the network device may be referred to as a Uu connection.
  • the first interface may also be It is another interface used for communication between the terminal device and the network device, and the embodiment of the present application is not limited to this.
  • the second interface may be a PC5 interface.
  • the connection between terminal devices may be referred to as a PC5 connection.
  • the second interface may also be used for other applications.
  • An interface for communication between terminal devices, the embodiment of the present application is not limited to this.
  • the identity information of the second terminal includes a first interface identifier of the second terminal and/or a second interface identifier of the second terminal, wherein the first interface The identifier is used to identify the interface between the second terminal and the network device, and the second interface identifier is used to identify the interface between the terminal devices.
  • the second interface identifier includes at least one of the following: a source address of the second terminal, and a high-level identifier of the second terminal.
  • the high-level identifier of the second terminal may include an application identifier of a user corresponding to the second terminal, such as a QQ number, a nickname, and the like.
  • the first connection when the first connection is a Uu connection, and the second connection is a PC5 connection, the first interface identifier may be referred to as a Uu interface identifier, and the second interface identifier may be referred to as a Uu interface identifier. Identifies the PC5 interface.
  • first interface identification and the second interface identification is only an example. In other embodiments, the first interface identification and the second interface identification may also include other identifications. This application does not limited to this.
  • the second terminal and the first terminal may send the first information through an inter-device discovery process.
  • the first terminal receives a first message sent by the second terminal, where the first message includes the first information, where the first message is used for discovery between devices.
  • the terminal device needs to perform the discovery process before establishing the connection.
  • the discovery process can use Mode A (Model A) or Mode B (Model B).
  • Figures 4 and 5 show an example of the discovery process for Mode A and Mode B, respectively.
  • UE1 (which can be used as a Relay UE) can send an announcement message (Announcement message), or a discovery notification message, to notify other UEs, and the UE that receives the discovery notification message can communicate with this notification message when it needs to relay services.
  • UE1 establishes a connection and relays data through this UE1.
  • UE1 wants to find a Relay UE, it can send a Solicitation message (Solicitation message), or find a Solicitation message and notify other UEs.
  • the UE that receives the Solicitation message can perform the relay service when Reply to the UE1 with a discovery response message (Response message), informing the UE1 that it can perform the relay service.
  • the first message may be a discovery notification message or a discovery response message.
  • the second terminal and the first terminal may send the first information through an inter-device communication process.
  • the first terminal receives the first information sent by the second terminal through a first channel, where the first channel is used for communication between terminal devices.
  • the first channel may be a Physical Sidelink Control Channel (PSCCH) or a Physical Sidelink Shared Channel (PSSCH).
  • PSCCH Physical Sidelink Control Channel
  • PSSCH Physical Sidelink Shared Channel
  • the first bearer is a data radio bearer (Data Radio Bearer, DRB).
  • DRB Data Radio Bearer
  • the first terminal after the first terminal receives the first information sent by the second terminal, further, in S302, the first terminal sends the first information to the first network device information.
  • the first terminal sends a second message to the first network device, where the second message includes the first information, where the second message is used to report the measurement result of the cell.
  • the first terminal may send the first information to the first network device during the measurement reporting process.
  • the first network device may select a target terminal device according to the channel quality information of the multiple terminal devices, Further paging is performed on the target terminal device, for example, the target terminal device may be the terminal device with the best channel quality.
  • the channel quality information of the second terminal may be, for example, Reference Signal Receiving Power (RSRP), Reference Signal Receiving Quality (RSRQ), Signal to Interference and Noise Ratio (Signal to Interference) plus Noise Ratio, SINR).
  • RSRP Reference Signal Receiving Power
  • RSRQ Reference Signal Receiving Quality
  • SINR Noise Ratio
  • the first network device After receiving the first information, the first network device further, in S303, sends a paging message to the second terminal according to the first information.
  • the second network device determines, according to the identity information of the second terminal and the DRX configuration information of the second terminal, a paging resource for paging the second terminal, such as PF or po.
  • the second network device generates a paging message according to the identity information of the second terminal, and sends the paging message to the second terminal on the paging resource.
  • the second terminal device receives the paging message on the paging resource.
  • the second terminal may monitor the PDCCH on the PO on the PF to receive the paging message.
  • the PF and PO at which the second terminal monitors the PDCCH in one DRX cycle may be determined, for example, in the following manner.
  • SFN System Frame Number
  • the number Index(i_s) of PO in a PF is determined by the following formula:
  • i_s floor(UE_ID/N)mod Ns.
  • T represents the DRX cycle
  • N represents the number of PFs contained in a DRX cycle
  • Ns represents the number of POs contained in a PF
  • UE_ID for example, can be 5G-S-TMSI mod 1024.
  • the paging message may include indication information, where the indication information is used to indicate that the paging message is used for paging a relay terminal, or the indication information is used to indicate that this Secondary pages are used for relay transmissions.
  • the second terminal enters a connected state after receiving the paging message.
  • the second terminal may enter the RRC_CONNECTED state by establishing an RRC connection.
  • the second terminal may enter the RRC_CONNECTED state by resuming (Resume) the RRC connection.
  • the first network device sends a handover command to the first terminal.
  • the switching command is used to instruct the first terminal to switch the relay connection (or PC connection) of the second terminal, in other words, the switching command is used to instruct the first terminal to switch the first terminal to The transmission path of the network device.
  • the switching here may include: switching from the direct connection between the first terminal to the network device (that is, not through the relay terminal) to connecting the first terminal and the network device through the relay terminal; from the first terminal through a medium After the terminal is connected to the network device, it is switched to connect the first terminal to the network device through another relay terminal.
  • the first terminal establishes a connection with the second terminal based on the handover command.
  • the first terminal may establish a PC5 connection with the second terminal.
  • the second terminal relays data between the first network device and the first terminal through the PC5 connection.
  • the handover command may include identity information of a target terminal device, and the target terminal device may be a channel quality determined according to channel quality information of multiple terminal devices reported by the first terminal.
  • the optimal terminal device sends the identity information of the target terminal device to the first terminal through a switching command, so that the first terminal can establish a connection with the target terminal device according to the switching command, which is beneficial to ensure that the first terminal and the network Reliability of data transfer between devices.
  • FIG. 6 is a schematic interaction diagram of a method 400 for inter-terminal communication provided by an embodiment of the present application.
  • the cells where the first terminal and the second terminal reside are different. That is, the first network device and the second network device are different network devices.
  • the first terminal is a remote terminal
  • the second terminal is a relay terminal
  • the method 400 may include at least some of the following contents:
  • a second terminal sends first information to a first terminal, where the first information includes identity information of the second terminal.
  • the second terminal sends the first information to the first network device.
  • the second network device sends a paging message to the second terminal according to the first information.
  • the second network device sends a handover command to the first network device.
  • the handover command may be sent via an inter-node RRC message.
  • the second terminal to be paged may send the identity information of the second terminal to the first terminal that wants to establish a connection with the second terminal, and the first terminal will further send the first terminal to the second terminal.
  • the identity information of the second terminal is transmitted to the network device, so that the network device can page the second terminal based on the identity information of the second terminal, triggering the second terminal to enter the connection state, thereby establishing the connection between the first terminal and the second terminal , and further realize communication between terminals based on the connection.
  • FIG. 7 shows a schematic block diagram of a terminal device 500 according to an embodiment of the present application.
  • the terminal device 500 includes:
  • the communication unit 510 is configured to receive first information sent by a second terminal, send the first information to a first network device, and receive a handover command sent by the first network device, where the first information includes the Identity information of the second terminal, the first network device is a network device in a cell where the terminal device resides, and the handover command is used to instruct the terminal device to switch the relay connection of the terminal device;
  • the processing unit 520 is configured to establish a connection with the second terminal based on the handover command.
  • the first interface identifier includes at least one of the following: 5G temporary mobile subscriber identifier 5G-S-TMSI and/or deactivated wireless network temporary identifier I-RNTI.
  • the first interface identifier includes at least one of the following: a first value and a second value, wherein the first value is based on the 5G of the second terminal -S-TMSI is determined, and the second value is based on the I-RNTI of the second terminal;
  • the communication unit 510 is further configured to: receive first information sent by the second terminal through a first message, where the first message is used for discovery between devices.
  • the communication unit 510 is further configured to: receive first information sent by the second terminal through a first channel, where the first channel is used for communication between terminal devices.
  • the communication unit 510 is further configured to: receive first information sent by the second terminal through a first bearer, where the first bearer is used for communication between terminal devices.
  • the communication unit 510 is further configured to: send a second message to the first network device, where the second message includes the first information, wherein the second message It is used to report the measurement result of the cell.
  • the second message further includes channel quality information of the second terminal.
  • the handover command is forwarded by a second network device to the first network device, and the second network device is a network device in a cell where the second terminal resides.
  • the above-mentioned communication unit may be a communication interface or a transceiver, or an input/output interface of a communication chip or a system-on-chip.
  • the aforementioned processing unit may be one or more processors.
  • terminal device 500 may correspond to the first terminal in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 500 are for the purpose of realizing FIG. 3 to FIG.
  • the corresponding process of the first terminal in the method embodiment shown in 6 is not repeated here for brevity.
  • FIG. 8 is a schematic block diagram of a network device according to an embodiment of the present application.
  • the network device 600 of FIG. 8 includes:
  • the communication unit 610 is configured to receive first information sent by a first device, where the first information includes identity information of a second terminal, and according to the first information, paging the second terminal, and the second terminal In the case of entering the connected state, send a handover command to the first device, where the first device is a first terminal or a first network device, and the first network device is a cell of the cell where the first terminal resides.
  • a network device where the network device is a network device in a cell where the second terminal resides, and the handover command is used to instruct the first terminal to switch the relay connection of the first terminal.
  • the first information further includes connectionless reception DRX configuration information of the second terminal.
  • the identity information of the second terminal includes a first interface identifier of the second terminal and/or a second interface identifier of the second terminal, wherein the first interface The identifier is used to identify the interface between the second terminal and the network device, and the second interface identifier is used to identify the interface between the terminal devices.
  • the first interface identifier includes at least one of the following: 5G temporary mobile subscriber identifier 5G-S-TMSI and/or deactivated wireless network temporary identifier I-RNTI.
  • the first interface identifier includes at least one of the following: a first value and a second value, wherein the first value is based on the 5G of the second terminal -S-TMSI is determined, and the second value is based on the I-RNTI of the second terminal;
  • the second interface identifier includes at least one of the following:
  • the source address of the second terminal, and the application layer identifier of the second terminal are identical to each other.
  • the network device further includes:
  • a processing unit configured to determine a paging resource for paging the second terminal according to the identity information of the second terminal and the DRX configuration information of the second terminal.
  • the network device further includes:
  • a processing unit configured to generate a paging message according to the identity information of the second terminal
  • the communication unit 610 is further configured to send the paging message to the second terminal on the paging resource.
  • the first device is the first terminal, and the communication unit 610 is further configured to:
  • a second message sent by the first terminal is received, where the second message includes the first information, where the second message is used to report the measurement result of the cell.
  • the second message further includes channel quality information of the second terminal.
  • the first device is the first network device
  • the communication unit 610 is further configured to: receive the information sent by the first network device through an inter-node radio resource control RRC message. the first information.
  • the handover command is sent through an inter-node RRC message.
  • the above-mentioned communication unit may be a communication interface or a transceiver, or an input/output interface of a communication chip or a system-on-chip.
  • the aforementioned processing unit may be one or more processors.
  • FIG. 9 shows a schematic block diagram of a terminal device 700 according to an embodiment of the present application.
  • the terminal device 700 includes:
  • the communication unit 710 is configured to send first information to a first terminal, where the first information includes identity information of the terminal device; and receive a paging message sent by a second network device, the paging message according to the first generating information, the second network device is the network device of the cell where the terminal device resides;
  • a processing unit 720 configured to establish a connection with the second network device and establish a connection with the first terminal according to the paging message
  • the communication unit 710 is further configured to: relay data between the second network device and the first terminal.
  • the first information further includes connectionless reception DRX configuration information of the terminal device.
  • the identity information of the terminal device includes a first interface identifier of the terminal device and/or a second interface identifier of the terminal device, wherein the first interface identifier is used for The interface between the terminal device and the network device is identified, and the second interface identification is used to identify the interface between the terminal devices.
  • the first interface identifier includes at least one of the following: 5G temporary mobile subscriber identifier 5G-S-TMSI and/or deactivated wireless network temporary identifier I-RNTI.
  • the first interface identifier includes at least one of the following: a first value and a second value, wherein the first value is based on the 5G- S-TMSI is determined, and the second value is based on the I-RNTI of the terminal device;
  • the second interface identifier includes at least one of the following:
  • the communication unit 710 is specifically configured to: send first information to the first terminal through a first message, where the first message is used for discovery between devices.
  • the communication unit 710 is specifically configured to: send the first information to the first terminal through a first channel, where the first channel is used for communication between terminal devices.
  • the paging message includes indication information, and the indication information is used to indicate that the paging message is used for paging a relay terminal.
  • the above-mentioned communication unit may be a communication interface or a transceiver, or an input/output interface of a communication chip or a system-on-chip.
  • the aforementioned processing unit may be one or more processors.
  • terminal device 700 may correspond to the second terminal in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 700 are for the purpose of realizing FIG. 3 to FIG. 3 , respectively.
  • the corresponding process of the second terminal in the method embodiment shown in 6 is not repeated here for brevity.
  • FIG. 10 is a schematic block diagram of a network device according to an embodiment of the present application.
  • the network device 800 of FIG. 10 includes:
  • a communication unit 810 configured to receive first information sent by a first terminal, where the first information includes identity information of a second terminal, and send the first information to a second network device, where the second network device is the The network device in the cell where the second terminal resides receives a handover command sent by the second network device, where the handover command is used to instruct the first terminal to switch the relay connection of the first terminal to the first terminal.
  • the terminal sends the handover command.
  • the first information further includes connectionless reception DRX configuration information of the second terminal.
  • the identity information of the second terminal includes a first interface identifier of the second terminal and/or a second interface identifier of the second terminal, wherein the first interface The identifier is used to identify the interface between the second terminal and the network device, and the second interface identifier is used to identify the interface between the terminal devices.
  • the first interface identifier includes at least one of the following: a first value and a second value, wherein the first value is based on the 5G of the second terminal -S-TMSI is determined, and the second value is based on the I-RNTI of the second terminal;
  • the second interface identifier includes at least one of the following:
  • the source address of the second terminal, and the application layer identifier of the second terminal are identical to each other.
  • the communication unit 810 is specifically configured to: receive a second message sent by the first terminal, where the second message includes the first information, wherein the second message It is used to report the measurement result of the cell.
  • the second message further includes channel quality information of the second terminal.
  • the handover command is sent through an inter-node radio resource control RRC message.
  • the network device 800 may correspond to the first network device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the network device 800 are for the purpose of realizing FIG. 3 to The corresponding flow of the first network device in the method embodiment shown in FIG. 6 is not repeated here for brevity.
  • FIG. 11 is a schematic structural diagram of a communication device 900 provided by an embodiment of the present application.
  • the communication device 900 shown in FIG. 11 includes a processor 910, and the processor 910 can call and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the communication device 900 may further include a memory 920 .
  • the processor 910 may call and run a computer program from the memory 920 to implement the methods in the embodiments of the present application.
  • the memory 920 may be a separate device independent of the processor 910 , or may be integrated in the processor 910 .
  • the communication device 900 may further include a transceiver 930, and the processor 910 may control the transceiver 930 to communicate with other devices, specifically, may send information or data to other devices, or receive other devices Information or data sent by a device.
  • the transceiver 930 may include a transmitter and a receiver.
  • the transceiver 930 may further include antennas, and the number of the antennas may be one or more.
  • the communication device 900 may specifically be the first network device or the second network device in the embodiment of the present application, and the communication device 900 may implement the first network device or the second network device in each method of the embodiment of the present application.
  • the corresponding process implemented by the device will not be repeated here.
  • the communication device 900 may specifically be the first terminal or the second terminal in this embodiment of the present application, and the communication device 900 may implement the corresponding functions implemented by the first terminal or the second terminal in each method in the embodiments of the present application. The process, for the sake of brevity, will not be repeated here.
  • FIG. 12 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 1000 shown in FIG. 12 includes a processor 1010, and the processor 1010 can call and run a computer program from a memory, so as to implement the method in this embodiment of the present application.
  • the chip 1000 may further include a memory 1020 .
  • the processor 1010 may call and run a computer program from the memory 1020 to implement the methods in the embodiments of the present application.
  • the memory 1020 may be a separate device independent of the processor 1010, or may be integrated in the processor 1010.
  • the chip 1000 may further include an input interface 1030 .
  • the processor 1010 can control the input interface 1030 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the chip 1000 may further include an output interface 1040 .
  • the processor 1010 can control the output interface 1040 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 first network device or the second network device in the embodiments of the present application, and the chip can implement the methods implemented by the first network device or the second network device in the various methods of the embodiments of the present application.
  • the corresponding process is not repeated here.
  • the terminal device 1110 can be used to implement the corresponding functions implemented by the terminal device in the above method
  • the network device 1120 can be used to implement the corresponding functions implemented by the network device in the above method. For brevity, details are not repeated here. .
  • the processor in this embodiment of the present application may be an integrated circuit chip, which has a signal processing capability.
  • each step of the above method embodiments may be completed by a hardware integrated logic circuit in a processor or an instruction in the form of software.
  • the above-mentioned processor can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other available Programming logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied as executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software modules may be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other storage media mature in the art.
  • the storage medium is located in the memory, and the processor reads the information in the memory, and completes the steps of the above method in combination with its hardware.
  • the memory in this embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM, PROM), an erasable programmable read-only memory (Erasable PROM, EPROM), an electrically programmable read-only memory (Erasable PROM, EPROM). Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • Volatile memory may be Random Access Memory (RAM), which acts as an external cache.
  • RAM Static RAM
  • DRAM Dynamic RAM
  • SDRAM Synchronous DRAM
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • enhanced SDRAM ESDRAM
  • synchronous link dynamic random access memory Synchlink DRAM, SLDRAM
  • Direct Rambus RAM Direct Rambus 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.
  • Embodiments of the present application further provide a computer-readable storage medium for storing a computer program.
  • the computer-readable storage medium can be applied to the first terminal or the second terminal in the embodiments of the present application, and the computer program enables the computer to execute the methods in the embodiments of the present application by the first terminal or the second terminal.
  • the corresponding process of implementation will not be repeated here.
  • Embodiments of the present application also provide a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the network device in each method of the embodiments of the present application. Repeat.
  • the embodiments of the present application also provide a computer program.
  • the computer program can be applied to the network device in the embodiments of the present application.
  • the computer program When the computer program is run on the computer, it causes the computer to execute the corresponding processes implemented by the network device in each method of the embodiments of the present application. For the sake of brevity. , and will not be repeated here.
  • the computer program may be applied to the first terminal or the second terminal in the embodiments of the present application, and when the computer program runs on the computer, the computer program is executed by the first terminal or the second terminal in each method of the embodiments of the present application.
  • the corresponding process implemented by the second terminal is not repeated here for brevity.
  • the disclosed system, apparatus and method may be implemented in other manners.
  • the apparatus embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • the functions, if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable storage medium.
  • the technical solution of the present application can be embodied in the form of a software product in essence, or the part that contributes to the prior art or the part of the technical solution, and the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program codes .

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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Abstract

L'invention concerne un procédé de communication entre terminaux, ainsi qu'un dispositif terminal et un dispositif de réseau, au moyen desquels une communication entre terminaux peut être réalisée. Le procédé comprend les étapes suivantes : un premier terminal reçoit des premières informations envoyées par un second terminal, les premières informations contenant des informations d'identité du second terminal ; le premier terminal envoie les premières informations à un premier dispositif de réseau, le premier dispositif de réseau étant un dispositif de réseau d'une cellule dans laquelle réside le premier terminal ; le premier terminal reçoit une instruction de commutation envoyée par le premier dispositif de réseau, l'instruction de commutation étant utilisée pour ordonner au premier terminal de commuter une connexion de relais du premier terminal ; et le premier terminal établit une connexion avec le second terminal sur la base de l'instruction de commutation.
PCT/CN2020/122206 2020-10-20 2020-10-20 Procédé de communication entre terminaux, ainsi que dispositif terminal et dispositif de réseau Ceased WO2022082434A1 (fr)

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CN202080105171.4A CN116114366B (zh) 2020-10-20 2020-10-20 用于终端间通信的方法、终端设备和网络设备
PCT/CN2020/122206 WO2022082434A1 (fr) 2020-10-20 2020-10-20 Procédé de communication entre terminaux, ainsi que dispositif terminal et dispositif de réseau

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