WO2022205477A1 - 一种中继连接建立方法、电子设备及存储介质 - Google Patents
一种中继连接建立方法、电子设备及存储介质 Download PDFInfo
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- WO2022205477A1 WO2022205477A1 PCT/CN2021/085459 CN2021085459W WO2022205477A1 WO 2022205477 A1 WO2022205477 A1 WO 2022205477A1 CN 2021085459 W CN2021085459 W CN 2021085459W WO 2022205477 A1 WO2022205477 A1 WO 2022205477A1
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- terminal device
- relay terminal
- information
- relay
- connection establishment
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- 238000000034 method Methods 0.000 title claims abstract description 178
- 238000004590 computer program Methods 0.000 claims description 77
- 230000005540 biological transmission Effects 0.000 claims description 36
- 238000012545 processing Methods 0.000 claims description 15
- 238000004891 communication Methods 0.000 description 25
- 238000010586 diagram Methods 0.000 description 16
- 230000006870 function Effects 0.000 description 9
- 230000001360 synchronised effect Effects 0.000 description 8
- 230000006978 adaptation Effects 0.000 description 3
- 230000005291 magnetic effect Effects 0.000 description 3
- 238000013507 mapping Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 208000032370 Secondary transmission Diseases 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/18—Management of setup rejection or failure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
-
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/18—Interfaces between hierarchically similar devices between terminal devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/19—Connection re-establishment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/04—Terminal devices adapted for relaying to or from another terminal or user
Definitions
- the present application relates to the technical field of sideline transmission, and in particular, to a method for establishing a relay connection, an electronic device and a storage medium.
- NR-V2X New Radio-Vehicle to Everything
- the embodiments of the present application provide a relay connection establishment method, an electronic device, and a storage medium, and specify a connection establishment process from a terminal device to a network device based on a layer 2 relay.
- an embodiment of the present application provides a method for establishing a relay connection, including: a relay terminal device sending a first connection establishment request message to a network device;
- the first connection establishment request message carries a connection establishment reason value, and the first connection establishment request message is used to request to establish a connection between the relay terminal device and the network device.
- an embodiment of the present application provides a method for establishing a relay connection, including: a remote terminal device sends first information to a relay terminal device; so that the relay terminal device sends a first connection establishment request to a network device information.
- an embodiment of the present application provides a method for establishing a relay connection, including: a network device receiving a first connection establishment request message sent by a relay terminal device, where the first connection establishment request message carries a connection establishment reason value, The first connection establishment request message is used to request to establish a connection between the relay terminal device and the network device.
- an embodiment of the present application provides a relay terminal device, where the relay terminal device includes:
- a first sending unit configured to send a first connection establishment request message to the network device
- the first connection establishment request message carries a connection establishment reason value, and the first connection establishment request message is used to request to establish a connection between the relay terminal device and the network device.
- an embodiment of the present application provides a remote terminal device, where the remote terminal device includes:
- the second sending unit is configured to send the first information to the relay terminal device; so that the relay terminal device sends the first connection establishment request information to the network device.
- an embodiment of the present application provides a network device, where the network device includes:
- a sixth receiving unit configured to receive a first connection establishment request message sent by the relay terminal device, where the first connection establishment request message carries a connection establishment reason value, and the first connection establishment request message is used to request the establishment of the The connection between the terminal device and the network device is relayed.
- an embodiment of the present application provides a relay terminal device, including a processor and a memory for storing a computer program that can be run on the processor, wherein the processor is configured to execute the computer program when running the computer program. The steps of the method for establishing a relay connection performed by the above-mentioned relay terminal device.
- an embodiment of the present application provides a remote terminal device, including a processor and a memory for storing a computer program that can be run on the processor, wherein the processor is configured to execute the computer program when running the computer program.
- the steps of the method for establishing a relay connection performed by the above-mentioned remote terminal device.
- an embodiment of the present application provides a network device, comprising a processor and a memory for storing a computer program that can be run on the processor, wherein the processor is configured to execute the above network when running the computer program. The steps of the relay connection establishment method performed by the device.
- an embodiment of the present application provides a chip, including: a processor for calling and running a computer program from a memory, so that a relay terminal device installed with the chip executes the relay connection establishment performed by the above-mentioned sending device method.
- an embodiment of the present application provides a chip, including: a processor for invoking and running a computer program from a memory, so that a remote terminal device installed with the chip executes the relay connection performed by the above-mentioned receiving device build method.
- an embodiment of the present application provides a chip, including: a processor for invoking and running a computer program from a memory, so that a network device installed with the chip executes the method for establishing a relay connection performed by the above-mentioned receiving device .
- an embodiment of the present application provides a storage medium storing an executable program, and when the executable program is executed by a processor, the above-mentioned method for establishing a relay connection executed by a relay terminal device is implemented.
- an embodiment of the present application provides a storage medium storing an executable program, and when the executable program is executed by a processor, the above-mentioned method for establishing a relay connection executed by a remote terminal device is implemented.
- an embodiment of the present application provides a storage medium storing an executable program, and when the executable program is executed by a processor, the above-mentioned method for establishing a relay connection executed by a network device is implemented.
- an embodiment of the present application provides a computer program product, including computer program instructions, the computer program instructions enable a computer to execute the above-mentioned method for establishing a relay connection performed by a remote terminal device.
- an embodiment of the present application provides a computer program product, including computer program instructions, the computer program instructions enable a computer to execute the relay connection establishment method performed by the relay terminal device.
- an embodiment of the present application provides a computer program product, including computer program instructions, the computer program instructions enable a computer to execute the above-mentioned method for establishing a relay connection executed by a network device.
- an embodiment of the present application provides a computer program, the computer program enables a computer to execute the method for establishing a relay connection performed by the above-mentioned relay terminal device.
- an embodiment of the present application provides a computer program, the computer program enables a computer to execute the above-mentioned method for establishing a relay connection executed by a remote terminal device.
- an embodiment of the present application provides a computer program, the computer program enables a computer to execute a method for establishing a relay connection performed by a network device.
- FIG. 1 is a schematic flowchart of selecting transmission resources under the first mode of the present application
- FIG. 3 is a schematic flowchart of a connection establishment of a relay network according to an embodiment of the present application
- FIG. 4 is a schematic diagram of an optional processing flow of the method for establishing a relay connection according to an embodiment of the present application
- FIG. 5 is a schematic diagram of another optional processing flow of the method for establishing a relay connection according to an embodiment of the present application
- FIG. 6 is a schematic diagram of another optional processing flow of the method for establishing a relay connection provided by an embodiment of the present application.
- FIG. 7 is a schematic diagram of a detailed processing flow of relay connection establishment provided by an embodiment of the present application.
- FIG. 8 is a schematic structural diagram of an optional composition of a relay terminal device provided by an embodiment of the present application.
- FIG. 9 is a schematic structural diagram of an optional composition of a remote terminal device provided by an embodiment of the present application.
- FIG. 10 is a schematic structural diagram of an optional composition of a network device provided by an embodiment of the present application.
- FIG. 11 is a schematic structural diagram of a hardware composition of an electronic device provided by an embodiment of the present application.
- D2D communication is a transmission technology based on Sidelink (SL), which is different from the way in which communication data is received or sent through network devices in traditional cellular systems, so it has a higher frequency spectrum.
- SL Sidelink
- the Internet of Vehicles system adopts the D2D communication method (that is, the method of device-to-device direct communication).
- the Third Generation Partnership Project (3GPP) defines two transmission modes: the first mode (also called mode A) and the second mode Mode (also known as Mode B).
- the first mode is that the network device allocates transmission resources to the terminal device
- the second mode is that the terminal device autonomously selects transmission resources.
- the transmission resources of the terminal equipment are allocated by the network equipment, and the terminal equipment sends data on the side link according to the resources allocated by the network equipment; the network equipment can allocate a single resources for secondary transmission, and resources for semi-static transmission can also be allocated to terminal devices.
- the terminal device selects a transmission resource in the resource pool to send data.
- the terminal device may obtain transmission resources using the first mode, may also use the second mode to obtain transmission resources, and may also use the first mode and the second mode to obtain transmission resources at the same time.
- the acquisition of transmission resources can be indicated by means of sidelink grants.
- the sidelink grants indicate corresponding sidelink control channel (Pysical Sidelink Control Channel, PSCCH) resources and sidelink shared channels.
- PSCCH Physical Sidelink Control Channel
- PSSCH Physical Sidelink Shared CHannel
- terminal equipment can autonomously initiate Hybrid Automatic Repeat reQuest (HARQ) retransmission; as an example, feedback-based HARQ retransmission can be introduced in both NR V2X unicast communication and multicast communication .
- HARQ Hybrid Automatic Repeat reQuest
- the position of the resource pool in the time domain can be configured, for example, the resource pool is not continuous in the time domain, so that the terminal device can Data is sent and/or received discontinuously on the sidelink, thereby saving power.
- the IoV system is required for the vehicle-vehicle communication scenario, which is mainly oriented to the relatively high-speed moving vehicle-vehicle and vehicle-person communication services.
- the terminal equipment is required to perform continuous transmission and reception in system design.
- a network device can configure DRX parameters of a remote terminal through a relay terminal.
- Access control can be divided into two types from the perspective of the executor. The first is performed by the terminal device itself, which is collectively referred to as Unified Access Control (UAC) in the NR system, and the second is performed by the network device. It is performed according to the "RRC Establishment cause" (RRC Establishment cause) in the Radio Resource Control (Radio Resource Control, RRC) setup request (SetupRequest) message.
- RRC Establishment cause Radio Resource Control
- RRC Radio Resource Control
- SetupRequest SetupRequest
- the "RRC setup reason” is encoded by the RRC layer and sent to the network device in the RRCSetupRequest message. How the network device performs access control according to the "RRC establishment reason” belongs to the internal algorithm of the network device and is implemented by the network device. If the network device accepts the RRCSetupRequest message initiated by the terminal device, the network device will send an RRCSetup message to respond, otherwise it will send an RRCReject (RRC Reject) message to reject.
- a layer 3 relay-based terminal equipment to network equipment (UE-to-network) relay function is introduced, that is, the remote terminal equipment accesses the network through the relay terminal equipment.
- the relay terminal equipment undertakes the function of the Internet Protocol (Internet Protocol, IP) layer relay, transmits data between the remote terminal equipment and the network equipment, and the remote terminal equipment and the relay terminal equipment are connected through a side link.
- IP Internet Protocol
- the connection establishment process of the relay network can be as shown in Figure 3:
- the relay terminal device reports the identification (ID) and IP information of the remote terminal device to the network device, and the network device reports the message according to this.
- Relay the association relationship between the terminal device and the remote terminal device, so as to perform corresponding bearer/session management and configuration, so that the remote terminal device is connected to the network through the relay terminal device.
- the remote terminal device accesses the network through the relay terminal device.
- the relay terminal equipment undertakes the function of the adaptation layer relay, and transmits data between the remote terminal equipment and the network equipment, and the remote terminal equipment and the relay terminal equipment are connected through a side link.
- the adaptation layer is located above the Radio Link Control (RLC) layer and below the Packet Data Convergence Protocol (PDCP) layer.
- RLC Radio Link Control
- PDCP Packet Data Convergence Protocol
- the size of the serial numbers of each implementation process does not mean the sequence of execution, and the execution sequence of each process should be determined by its functions and internal logic, and should not be dealt with in the embodiments of the present application. implementation constitutes any limitation.
- the embodiment of the present application provides a method for establishing a relay connection, which specifies a connection establishment process based on layer 2.
- An optional processing flow of the method for establishing a relay connection includes the following steps:
- Step S201 the relay terminal device sends a first connection establishment request message to the network device; the first connection establishment request message carries a connection establishment reason value, and the first connection establishment request message is used to request the establishment of the relay terminal A connection between a device and the network device.
- the relay terminal equipment if the relay terminal equipment (relay UE) needs to perform uplink transmission relay for the remote terminal equipment (remote UE), or the relay terminal equipment needs to perform downlink transmission relay for the network equipment, the medium The relay terminal device needs to enter the RRC connection state; as an example, the relay terminal device sends an RRCSetupRequest message to the network device.
- the specific form and content of the connection establishment reason value are not limited.
- the connection establishment cause value may be sent by the remote terminal device to the relay terminal device; as an example, the connection establishment cause value may be sent by the remote terminal device to the AS layer entity of the relay terminal device .
- the connection establishment cause value is determined by the AS layer entity of the relay terminal device according to the protocol; as an example, the connection establishment cause value corresponds to the relay mode of the relay terminal device; A relay corresponds to a connection establishment cause value of 1, and a layer 3-based relay corresponds to a connection establishment cause value of 2.
- the connection establishment reason value is sent by the remote terminal device to the NAS layer entity of the relay terminal device, and then sent by the NAS layer entity to the AS layer entity of the relay terminal device.
- the connection establishment reason value is determined by the NAS layer entity of the relay terminal device according to the protocol, and then sent by the NAS layer entity to the AS layer entity of the relay terminal device.
- the method may further include:
- Step S202 the relay terminal device receives the first information sent by the remote terminal device.
- the first information may be an RRC message.
- the remote terminal device sends an RRC message to the relay terminal device, and the RRC message may carry a connection establishment reason value.
- the first information may be indication information that triggers the relay terminal device to establish an RRC connection with the network device, and indication information that triggers the relay terminal device to establish an RRC connection with the network device can carry the connection establishment reason value.
- the remote terminal equipment sends indication information to the relay terminal equipment, where the indication information is used to instruct the relay terminal equipment to establish an RRC connection with the network equipment; then after the relay terminal equipment receives the indication information , and send a first connection establishment request message to the network device. In this scenario, the relay terminal device needs to fill the connection establishment reason value in the first connection establishment request message.
- the method may further include:
- Step S203 the remote (prose) layer entity or PC5-RRC layer entity of the relay terminal device sends a notification message to the non-access stratum entity, where the notification message is used to notify the non-access stratum entity to establish a non-contact stratum entity. Inbound connection.
- the NAS layer entity of the relay terminal device transmits the establishmentCause value to the AS layer entity of the relay terminal device, and triggers the AS layer entity of the relay terminal device to establish an RRC connection; the AS layer entity of the relay terminal device Populate the RRC connection establishment request message.
- the method may further include:
- Step S204 the relay terminal device receives the connection establishment success indication information sent by the network device.
- connection establishment success indication information is used to indicate that the relay terminal device is successfully connected to the network device.
- the method may further include:
- Step S205 the relay terminal device sends the connection establishment success indication information to the remote terminal device.
- the method may further include:
- Step S206 the relay terminal device sends first indication information to the network device, where the first indication information is used to indicate sidelink related information between the relay terminal device and the remote terminal device.
- the sidelink related information between the relay terminal device and the remote terminal device may include at least one of the following:
- QoS parameters and QoS profile(s) related to NR sidelink communication sidelink radio link failure detected or sideline RRC reconfiguration failure (a sidelink radio link failure or sidelink RRC reconfiguration failure has been detected), the sidelink UE capability information of the associated peer UE for unicast communication in unicast communication, and receiving unicast communication
- the RLC mode information of the sidelink data radio bearer(s) received from the associated peer UE for unicast communication The RLC mode information of the sidelink data radio bearer(s) received from the associated peer UE for unicast communication).
- the method may further include:
- Step S207 the relay terminal device receives the first configuration information sent by the network device, and the first configuration information is used for the relay terminal device to transmit information with the remote terminal device.
- the first configuration information may be configuration information used for transmission between the relay terminal device and the remote terminal device; as an example, the first configuration information may be the relay terminal The time-frequency resource used by the device for transmission with the remote terminal device.
- the method may further include:
- Step S208 the relay terminal device forwards at least one of the first information, the second information, the third information and the fourth information to the network device;
- the relay terminal device receives the first information sent by the remote terminal device, and the relay terminal device forwards the first information to the network device.
- the relay terminal device sends second information to the network device, where the second information is obtained by mapping the first information through an adaptation layer of the relay terminal.
- the relay terminal device receives the third information sent by the remote terminal device, and the relay terminal device forwards the third information to the network device.
- the relay terminal receives the fourth information sent by the network device, and the relay terminal forwards the fourth information to the remote terminal device.
- both the third information and the fourth information may be RRC messages.
- the relay terminal device communicates the third information and/or the fourth information between the network device and the remote terminal device based on layer 2 relays and sidelinks.
- the method may further include:
- Step S209 the relay terminal device receives the connection establishment failure indication information sent by the network device.
- connection establishment failure indication information is used to indicate the reason for the failure of the connection between the relay terminal device and the network device.
- connection establishment failure indication information may also be referred to as connection establishment rejection information.
- the reason why the relay terminal device fails to connect with the network device may be that the priority of the relay terminal device is low, or the network device does not support relaying, or the connection with the network device has been established. The number of relay terminal devices connected by relay reaches a threshold, etc.
- the method may further include:
- Step S210 the relay terminal device sends the connection establishment failure indication information to the remote terminal device.
- the relay terminal device sends the connection establishment failure indication information to the remote terminal device, so as to inform the remote terminal device that the relay connection establishment fails.
- the relay terminal device establishes a connection with the network device in a layer 2 relay mode; the remote terminal device and the relay terminal device establish a connection through a side link.
- Another optional processing flow of the method for establishing a relay connection includes the following steps:
- Step S301 the remote terminal device sends first information to the relay terminal device; so that the relay terminal device sends first connection establishment request information to the network device.
- the first information may be an RRC message.
- the remote terminal device sends an RRC message to the relay terminal device, where the RRC message carries a connection establishment reason value.
- the first information may be indication information that triggers the relay terminal device to establish an RRC connection with the network device.
- the remote terminal equipment sends indication information to the relay terminal equipment, where the indication information is used to instruct the relay terminal equipment to establish an RRC connection with the network equipment, and the indication information may carry a connection establishment reason value; After receiving the indication information, the relay terminal device sends first connection establishment request information to the network device.
- the specific form and content of the connection establishment reason value are not limited.
- the connection establishment cause value may be sent by the remote terminal device to the relay terminal device; as an example, the connection establishment cause value may be sent by the remote terminal device to the AS layer entity of the relay terminal device or NAS layer entity.
- the connection establishment cause value corresponds to the relay mode of the relay terminal device; for example, layer 2-based relay corresponds to connection establishment cause value 1, and layer 3-based relay corresponds to connection establishment cause value 2.
- the connection establishment reason value is sent by the remote terminal device to the NAS layer entity of the relay terminal device, and then sent by the NAS layer entity to the AS layer entity of the relay terminal device.
- the connection establishment reason value is determined by the NAS layer entity of the relay terminal device according to the protocol, and then sent by the NAS layer entity to the AS layer entity of the relay terminal device.
- the method may further include:
- Step S302 the remote terminal device sends a connection establishment reason value to the relay terminal device.
- the method may further include:
- Step S303 the remote terminal device receives the connection establishment success indication information sent by the relay terminal device.
- connection establishment success indication information is used to indicate that the relay terminal device is successfully connected to the network device.
- the method may further include:
- Step S304 the remote terminal device sends third information to the relay terminal device, and the third information is sent to the network device via the relay terminal device.
- the method may further include:
- Step S305 the remote terminal device receives fourth information sent by the relay terminal device, where the fourth information is sent by the network device to the relay terminal device.
- the relay terminal device transmits the third information and/or the fourth information between the network device and the remote terminal device based on the layer 2 relay and the side link.
- the method may further include:
- Step S306 the remote terminal device receives the connection establishment failure indication information sent by the relay terminal device.
- connection establishment failure indication information is used to indicate the reason why the connection between the remote terminal device and the network device fails.
- the relay terminal device establishes a connection with the network device in a layer 2 relay mode; the remote terminal device and the relay terminal device establish a connection through a side link.
- Another optional processing flow of the method for establishing a relay connection includes the following steps:
- Step S401 the network device receives a first connection establishment request message sent by the relay terminal device, the first connection establishment request message carries a connection establishment reason value, and the first connection establishment request message is used to request the establishment of the relay The connection between the terminal device and the network device.
- the relay terminal equipment if the relay terminal equipment (relay UE) needs to perform uplink transmission relay for the remote terminal equipment (remote UE), or the relay terminal equipment needs to perform downlink transmission relay for the network equipment, the medium The relay terminal device needs to enter the RRC connection state; as an example, the relay terminal device sends an RRCSetupRequest message to the network device.
- the specific form and content of the connection establishment reason value are not limited.
- the connection establishment cause value may be sent by the remote terminal device to the relay terminal device; as an example, the connection establishment cause value may be sent by the remote terminal device to the AS layer entity of the relay terminal device .
- the connection establishment cause value is determined by the AS layer entity of the relay terminal device according to the protocol; as an example, the connection establishment cause value corresponds to the relay mode of the relay terminal device; A relay corresponds to a connection establishment cause value of 1, and a layer 3-based relay corresponds to a connection establishment cause value of 2.
- the connection establishment reason value is sent by the remote terminal device to the NAS layer entity of the relay terminal device, and then sent by the NAS layer entity to the AS layer entity of the relay terminal device.
- the connection establishment reason value is determined by the NAS layer entity of the relay terminal device according to the protocol, and then sent by the NAS layer entity to the AS layer entity of the relay terminal device.
- the method may further include:
- Step S402 the network device receives the first information sent by the relay terminal device; or, the network device receives the second information sent by the relay terminal device based on the first information.
- the first information is sent by the remote terminal device to the relay terminal device.
- the first information may be an RRC message.
- the remote terminal device sends an RRC message to the relay terminal device, where the RRC message carries a connection establishment reason value.
- the first information may be indication information that triggers the relay terminal device to establish an RRC connection with the network device.
- the remote terminal equipment sends indication information to the relay terminal equipment, where the indication information is used to instruct the relay terminal equipment to establish an RRC connection with the network equipment, and the indication information may carry a connection establishment reason value; After receiving the indication information, the relay terminal device sends a first connection establishment request message to the network device.
- the method may further include:
- Step S403 the network device determines whether to establish a connection between the network device and the relay terminal device based on the first connection establishment request message.
- the network device may determine whether to establish a connection between the network device and the relay terminal device according to the connection establishment cause value carried in the first connection establishment request message. As an example, if the connection establishment reason value is "relay" and the network device supports relaying, the network device establishes a connection between the network device and the relay terminal device. As an example, if the connection establishment reason value is "relay" and the network device does not support relaying, the network device does not establish the connection between the network device and the relay terminal device.
- the method may further include:
- Step S404 the network device sends the connection establishment success indication information to the relay terminal device.
- connection establishment success indication information is used to indicate that the relay terminal device is successfully connected to the network device.
- the method may further include:
- Step S405 the network device receives first indication information sent by the relay terminal device, where the first indication information is used to indicate a sidelink between the relay terminal device and the remote terminal device Related Information.
- the sidelink related information between the relay terminal device and the remote terminal device may include at least one of the following:
- QoS parameters and QoS profile(s) related to NR sidelink communication sidelink radio link failure detected or sideline RRC reconfiguration failure (a sidelink radio link failure or sidelink RRC reconfiguration failure has been detected), the sidelink UE capability information of the associated peer UE for unicast communication in unicast communication, and receiving unicast communication
- the RLC mode information of the sidelink data radio bearer(s) received from the associated peer UE for unicast communication The RLC mode information of the sidelink data radio bearer(s) received from the associated peer UE for unicast communication).
- the method may further include:
- Step S406 the network device sends first configuration information to the relay terminal device, where the first configuration information is used for information transmission between the relay terminal device and the remote terminal device.
- the first configuration information may be configuration information used for transmission between the relay terminal device and the remote terminal device; as an example, the first configuration information may be the relay terminal The time-frequency resource used by the device for transmission with the remote terminal device.
- the method may further include:
- Step S407 the network device receives the first information forwarded by the relay terminal device; or the network device receives the second information obtained by the relay terminal device based on the first information; or the network device receives the intermediate Following the third information sent by the terminal device, the third information is sent by the remote terminal device to the relay terminal device.
- the first information may be sent by the remote terminal device to the relay terminal device before step S401 is performed; the first information may also be sent by the remote terminal device after the relay terminal device establishes a connection with the network device. sent to the relay terminal device.
- the third information includes: an RRC message.
- the method may further include:
- Step S408 the network device sends fourth information to the relay terminal device, and the fourth information is sent to the remote terminal device via the relay terminal device.
- the fourth information includes: an RRC message.
- the relay terminal device transmits one of the first information, the second information, the third information, and the fourth information between the network device and the remote terminal device based on the layer 2 relay and the side link. at least one kind of information.
- the method may further include:
- Step S409 the network device sends connection establishment failure indication information to the relay terminal device.
- connection establishment failure indication information is used to indicate the reason why the connection between the remote terminal device and the network device fails.
- connection establishment failure indication information and the connection establishment rejection information may be referred to.
- the relay terminal device establishes a connection with the network device in a layer 2 relay mode; the remote terminal device and the relay terminal device establish a connection through a side link.
- the detailed processing flow for establishing a relay connection includes:
- Step S501 the remote terminal device sends first information to the relay terminal device.
- the description for the first information is the same as the description for the first indication information in the foregoing embodiments, and details are not repeated here.
- Step S502 the relay terminal device determines the RRC connection establishment request message.
- the relay terminal device fills the connection establishment reason value in the RRC connection establishment request message.
- the connection establishment cause value may be sent by the remote terminal device to the relay terminal device; as an example, the connection establishment cause value may be sent by the remote terminal device to the AS layer entity of the relay terminal device .
- the connection establishment cause value is determined by the AS layer entity of the relay terminal device according to the protocol; as an example, the connection establishment cause value corresponds to the relay mode of the relay terminal device; A relay corresponds to a connection establishment cause value of 1, and a layer 3-based relay corresponds to a connection establishment cause value of 2.
- the connection establishment reason value is sent by the remote terminal device to the NAS layer entity of the relay terminal device, and then sent by the NAS layer entity to the AS layer entity of the relay terminal device.
- the connection establishment reason value is determined by the NAS layer entity of the relay terminal device according to the protocol, and then sent by the NAS layer entity to the AS layer entity of the relay terminal device.
- Step S503 the relay terminal device sends a first connection establishment request message to the network device.
- Step S504 the network device sends connection establishment success information or connection establishment rejection information to the terminal device.
- Step S505 the relay terminal device sends connection establishment success information or connection establishment rejection information to the remote terminal device.
- Step S506 after the relay terminal device receives the connection establishment success information, the relay terminal device sends first indication information to the network device, where the first indication information is used to instruct the relay terminal device to communicate with the remote Sidelink related information between terminal devices.
- the sidelink related information between the relay terminal device and the remote terminal device may include at least one of the following:
- QoS parameters and QoS profile(s) related to NR sidelink communication sidelink radio link failure detected or sideline RRC reconfiguration failure (a sidelink radio link failure or sidelink RRC reconfiguration failure has been detected), the sidelink UE capability information of the associated peer UE for unicast communication in unicast communication, and receiving unicast communication
- the RLC mode information of the sidelink data radio bearer(s) received from the associated peer UE for unicast communication The RLC mode information of the sidelink data radio bearer(s) received from the associated peer UE for unicast communication).
- Step S507 the network device receives the sending first configuration information from the relay terminal device, where the first configuration information is used for information transmission between the relay terminal device and the remote terminal device.
- the first configuration information may be configuration information used for transmission between the relay terminal device and the remote terminal device; as an example, the first configuration information may be the relay terminal The time-frequency resource used by the device for transmission with the remote terminal device.
- Step S508 after receiving the connection establishment success information, the relay terminal device enters the connection state.
- the relay terminal device may perform at least one of the following information forwarding operations: the relay terminal device forwards the first information to the network device for the remote terminal device; the relay terminal device sends the second information to the network device based on the first information; the remote terminal device sends the second information to the network device; The terminal terminal device sends the third information to the relay terminal device, and the relay terminal device sends the third information to the network device; and the network device sends the fourth information to the relay terminal device, and the relay terminal device forwards the fourth information information to the remote terminal equipment.
- the above embodiments of this application specify the connection establishment process between the remote terminal equipment and the network equipment based on the layer 2 relay; the connection between the remote terminal equipment and the relay terminal equipment is established based on the side link, and the relay terminal equipment and the network equipment Connections are established based on layer 2 relays.
- the embodiment of the present application also clarifies how to obtain the connection establishment cause value carried in the connection establishment request message sent by the relay terminal device to the network device.
- connection establishment cause value is sent by the remote terminal device to the middle the access layer entity of the relay terminal device; or, the connection establishment cause value is determined by the access layer entity of the relay terminal device according to the protocol; or, the connection establishment cause value is sent by the remote terminal device to The non-access stratum entity of the relay terminal device is then sent by the non-access stratum entity to the access stratum entity of the relay terminal device; or, the connection establishment reason value is sent by the relay terminal
- the non-access stratum entity of the device is determined according to the protocol, and then sent by the non-access stratum entity to the access stratum entity of the relay terminal device.
- the embodiment of the present application further provides a relay terminal device.
- the optional composition structure of the relay terminal device 600 includes:
- the first sending unit 601 is configured to send a first connection establishment request message to the network device
- the first connection establishment request message carries a connection establishment reason value, and the first connection establishment request message is used to request to establish a connection between the relay terminal device and the network device.
- the relay terminal device 600 further includes:
- the first receiving unit 602 is configured to receive the first information sent by the remote terminal device.
- the first information includes: an RRC message; or, indication information that triggers the relay terminal device to establish an RRC connection with the network device.
- connection establishment cause value is sent by the remote terminal device to the access layer entity of the relay terminal device
- connection establishment cause value is determined by the access layer entity of the relay terminal device according to a protocol
- connection establishment reason value is sent by the remote terminal device to the non-access stratum entity of the relay terminal device, and then sent by the non-access stratum entity to the access stratum entity of the relay terminal device Layer entity;
- connection establishment reason value is determined by the non-access stratum entity of the relay terminal device according to a protocol, and then sent by the non-access stratum entity to the access stratum entity of the relay terminal device.
- the remote layer entity or PC5-RRC layer entity of the relay terminal device sends a notification message to the non-access stratum entity, where the notification message is used to notify the non-access stratum entity to establish non-access stratum connections.
- connection establishment reason value corresponds to the relay mode of the relay terminal device.
- the relay terminal device 600 further includes:
- the second receiving unit 603 is configured to receive the connection establishment success indication information sent by the network device.
- the first sending unit 601 is further configured to send the connection establishment success indication information to the remote terminal device.
- connection establishment success indication information is used to indicate that the relay terminal device is successfully connected to the network device.
- the first sending unit 601 is further configured to send first indication information to the network device, where the first indication information is used to indicate the relay terminal device and the remote terminal device information about sidelinks between them.
- the second receiving unit 603 is further configured to receive first configuration information sent by the network device, where the first configuration information is used for transmission between the relay terminal device and the remote terminal device information.
- the first sending unit 601 is further configured to send the first information to the network device;
- the relay terminal device sends second information to the network device based on the first information.
- the second information includes: an RRC message.
- the first receiving unit 602 is configured to receive third information sent by the remote terminal device, and the relay terminal device sends the third information to the network device;
- the first receiving unit 602 is configured to receive fourth information sent by the network device, and the relay terminal sends the fourth information to the remote terminal device.
- the third information includes: an RRC message; and/or the fourth information includes: an RRC message.
- the first receiving unit 602 is further configured to receive connection establishment failure indication information sent by the network device.
- the first sending unit 601 is further configured to send the connection establishment failure indication information to the remote terminal device.
- connection establishment failure indication information is used to indicate the reason for the failure of the connection between the relay terminal device and the network device.
- the relay terminal device establishes a connection with the network device in a layer 2 relay manner; and/or, the remote terminal device and the relay terminal device establish a connection through a side link connect.
- the embodiment of the present application further provides a remote terminal device.
- the optional composition structure of the remote terminal device 800 includes:
- the second sending unit 801 is configured to send the first information to the relay terminal device, so that the relay terminal device sends the first connection establishment request information to the network device.
- the second sending unit 801 is further configured to send a connection establishment reason value to the relay terminal device.
- connection establishment cause value may be sent by the remote terminal device to a non-access stratum entity of the relay terminal device
- connection establishment cause value may be sent by the remote terminal device to an access layer entity of the terminal device.
- the remote terminal device 800 further includes: a fourth receiving unit 802, configured to receive the connection establishment success indication information sent by the relay terminal device.
- connection establishment success indication information is used to indicate that the relay terminal device is successfully connected to the network device.
- the second sending unit is configured to send third information to the relay terminal device, and the third information is sent to the network device via the relay terminal device.
- the fourth receiving unit 802 is further configured to receive fourth information sent by the relay terminal device, where the fourth information is sent by the network device to the relay terminal device.
- the remote terminal device 800 further includes:
- the fifth receiving unit 803 is configured to receive the connection establishment failure indication information sent by the relay terminal device.
- connection establishment failure indication information is used to indicate the reason why the connection between the remote terminal device and the network device fails.
- connection establishment reason value corresponds to the relay mode of the relay terminal device.
- the first information includes: an RRC message; or, indication information that triggers the relay terminal device to establish an RRC connection with the network device.
- the relay terminal device establishes a connection with the network device in a layer 2 relay manner; and/or, the remote terminal device and the relay terminal device establish a connection through a side link connect.
- the optional composition structure of the network device 900 includes:
- the sixth receiving unit 901 is configured to receive a first connection establishment request message sent by the relay terminal device, where the first connection establishment request message carries a connection establishment reason value, and the first connection establishment request message is used to request the establishment of all connections. connection between the relay terminal device and the network device.
- connection establishment cause value is sent by the remote terminal device to the access layer entity of the relay terminal device
- connection establishment cause value is determined by the access layer entity of the relay terminal device according to a protocol
- connection establishment reason value is sent by the remote terminal device to the non-access stratum entity of the relay terminal device, and then sent by the non-access stratum entity to the access stratum entity of the relay terminal device Layer entity;
- connection establishment reason value is determined by the non-access stratum entity of the relay terminal device according to a protocol, and then sent by the non-access stratum entity to the access stratum entity of the relay terminal device.
- the network device 900 further includes:
- the processing unit 902 is configured to determine whether to establish a connection between the network device and the relay terminal device based on the first connection establishment request message.
- the network device 900 further includes:
- the third sending unit 903 is configured to send connection establishment success indication information to the relay terminal device.
- connection establishment success indication information is used to indicate that the relay terminal device is successfully connected to the network device.
- the sixth receiving unit 901 is further configured to receive first indication information sent by the relay terminal device, where the first indication information is used to instruct the relay terminal device to communicate with the remote terminal device. Sidelink related information between end terminal devices.
- the network device 900 further includes:
- the fourth sending unit 904 is configured to send first configuration information to the relay terminal device, where the first configuration information is used for the relay terminal device and the remote terminal device to transmit information.
- the sixth receiving unit 901 is further configured to receive the first information sent by the relay terminal device;
- the first information is sent by the remote terminal device to the relay terminal device.
- the second information includes: an RRC message.
- the sixth receiving unit is further configured to receive third information sent by the relay terminal device, where the third information is sent by the remote terminal device to the relay terminal device;
- the third sending unit is further configured to send fourth information to the relay terminal device, where the fourth information is sent to the remote terminal device via the relay terminal device.
- the third information includes: an RRC message; and/or the fourth information includes: an RRC message.
- the network device 900 further includes:
- the fifth sending unit 905 is configured to send connection establishment failure indication information to the relay terminal device.
- connection establishment failure indication information is used to indicate the reason why the connection between the remote terminal device and the network device fails.
- connection establishment reason value corresponds to the relay mode of the relay terminal device.
- the relay terminal device establishes a connection with the network device in a layer 2 relay manner; and/or, the remote terminal device and the relay terminal device establish a connection through a side link connect.
- Embodiments of the present application further provide a relay terminal device, including a processor and a memory for storing a computer program that can be run on the processor, wherein the processor is configured to execute the above relay when running the computer program Steps of a method for establishing a relay connection performed by a terminal device.
- An embodiment of the present application further provides a remote terminal device, including a processor and a memory for storing a computer program that can be run on the processor, wherein the processor is configured to execute the above-mentioned remote terminal when running the computer program. Steps of a method for establishing a relay connection performed by a terminal device.
- An embodiment of the present application further provides a network device, including a processor and a memory for storing a computer program that can be run on the processor, wherein the processor is configured to execute the program executed by the network device when running the computer program.
- the steps of the relay connection establishment method are described in detail below.
- An embodiment of the present application further provides a chip, including: a processor for calling and running a computer program from a memory, so that a relay terminal device installed with the chip executes the above-mentioned method for establishing a relay connection executed by the sending device.
- An embodiment of the present application further provides a chip, including: a processor for invoking and running a computer program from a memory, so that a remote terminal device installed with the chip executes the above-mentioned method for establishing a relay connection executed by a receiving device.
- An embodiment of the present application further provides a chip, including: a processor for calling and running a computer program from a memory, so that a remote terminal device installed with the chip executes the method for establishing a relay connection performed by the above-mentioned network device.
- Embodiments of the present application further provide a storage medium storing an executable program, and when the executable program is executed by a processor, the above-mentioned method for establishing a relay connection executed by a relay terminal device is implemented.
- An embodiment of the present application further provides a storage medium storing an executable program, and when the executable program is executed by a processor, the above-mentioned method for establishing a relay connection executed by a remote terminal device is implemented.
- An embodiment of the present application further provides a storage medium storing an executable program, and when the executable program is executed by a processor, the above-mentioned method for establishing a relay connection executed by a network device is implemented.
- Embodiments of the present application further provide a computer program product, including computer program instructions, the computer program instructions enable a computer to execute the method for establishing a relay connection performed by the above-mentioned relay terminal device.
- An embodiment of the present application further provides a computer program product, including computer program instructions, the computer program instructions enable a computer to execute the above-mentioned method for establishing a relay connection executed by a remote terminal device.
- Embodiments of the present application further provide a computer program product, including computer program instructions, the computer program instructions enable a computer to execute the above-mentioned method for establishing a relay connection executed by a network device.
- the embodiment of the present application further provides a computer program, the computer program enables the computer to execute the relay connection establishment method executed by the relay terminal device.
- the embodiment of the present application further provides a computer program, the computer program enables a computer to execute the above-mentioned method for establishing a relay connection executed by a remote terminal device.
- An embodiment of the present application further provides a computer program, the computer program enables a computer to execute the method for establishing a relay connection performed by the above-mentioned network device.
- the electronic device 700 includes: at least one processor 701 , memory 702 and at least one network interface 704 .
- the various components in electronic device 700 are coupled together by bus system 705 .
- bus system 705 is used to implement the connection communication between these components.
- the bus system 705 also includes a power bus, a control bus and a status signal bus.
- the various buses are labeled as bus system 705 in FIG. 11 .
- memory 702 may be either volatile memory or non-volatile memory, and may include both volatile and non-volatile memory.
- the non-volatile memory can be ROM, Programmable Read-Only Memory (PROM, Programmable Read-Only Memory), Erasable Programmable Read-Only Memory (EPROM, Erasable Programmable Read-Only Memory), Electrically Erasable Programmable Read-Only Memory Programmable read-only memory (EEPROM, Electrically Erasable Programmable Read-Only Memory), magnetic random access memory (FRAM, ferromagnetic random access memory), flash memory (Flash Memory), magnetic surface memory, optical disk, or CD-ROM -ROM, Compact Disc Read-Only Memory); magnetic surface memory can be disk memory or tape memory.
- RAM Random Access Memory
- SRAM Static Random Access Memory
- SSRAM Synchronous Static Random Access Memory
- DRAM Dynamic Random Access Memory
- SDRAM Synchronous Dynamic Random Access Memory
- DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
- ESDRAM Double Data Rate Synchronous Dynamic Random Access Memory
- ESDRAM Enhanced Type Synchronous Dynamic Random Access Memory
- SLDRAM Synchronous Link Dynamic Random Access Memory
- DRRAM Direct Rambus Random Access Memory
- DRRAM Direct Rambus Random Access Memory
- the memory 702 described in the embodiments of the present application is intended to include, but not limited to, these and any other suitable types of memory.
- the memory 702 in this embodiment of the present application is used to store various types of data to support the operation of the electronic device 700 .
- Examples of such data include: any computer program used to operate on electronic device 700, such as application 7022.
- the program for implementing the method of the embodiment of the present application may be included in the application program 7022 .
- the methods disclosed in the above embodiments of the present application may be applied to the processor 701 or implemented by the processor 701 .
- the processor 701 may be an integrated circuit chip with signal processing capability. In the implementation process, each step of the above-mentioned method can be completed by an integrated logic circuit of hardware in the processor 701 or an instruction in the form of software.
- the above-mentioned processor 701 may be a general-purpose processor, a digital signal processor (DSP, Digital Signal Processor), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and the like.
- the processor 701 may implement or execute the methods, steps, and logical block diagrams disclosed in the embodiments of this application.
- a general purpose processor may be a microprocessor or any conventional processor or the like.
- the steps of the method disclosed in the embodiments of the present application can be directly embodied as being executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
- the software module may be located in a storage medium, and the storage medium is located in the memory 702, and the processor 701 reads the information in the memory 702, and completes the steps of the foregoing method in combination with its hardware.
- the electronic device 700 may be implemented by one or more of Application Specific Integrated Circuit (ASIC, Application Specific Integrated Circuit), DSP, Programmable Logic Device (PLD, Programmable Logic Device), Complex Programmable Logic Device (CPLD) , Complex Programmable Logic Device), FPGA, general-purpose processor, controller, MCU, MPU, or other electronic component implementation for performing the aforementioned method.
- ASIC Application Specific Integrated Circuit
- DSP Digital Signal processor
- PLD Programmable Logic Device
- CPLD Complex Programmable Logic Device
- FPGA general-purpose processor
- controller MCU, MPU, or other electronic component implementation for performing the aforementioned method.
- These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory result in an article of manufacture comprising instruction means, the instructions
- the apparatus implements the functions specified in the flow or flow of the flowcharts and/or the block or blocks of the block diagrams.
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Abstract
Description
Claims (109)
- 一种中继连接建立方法,所述方法包括:中继终端设备向网络设备发送第一连接建立请求消息;所述第一连接建立请求消息中携带连接建立原因值,所述第一连接建立请求消息用于请求建立所述中继终端设备与所述网络设备之间的连接。
- 根据权利要求1所述的方法,其中,所述方法还包括:中继终端设备接收远端终端设备发送的第一信息。
- 根据权利要求2所述的方法,其中,所述第一信息包括:无线资源控制RRC消息;或者,触发所述中继终端设备与所述网络设备建立RRC连接的指示信息。
- 根据权利要求1至3任一项所述的方法,其中,所述连接建立原因值由所述远端终端设备发送至所述中继终端设备的接入层实体;或者,所述连接建立原因值由所述中继终端设备的接入层实体根据协议确定;或者,所述连接建立原因值由所述远端终端设备发送至所述中继终端设备的非接入层实体,再由所述非接入层实体发送至所述中继终端设备的接入层实体;或者,所述连接建立原因值由所述中继终端设备的非接入层实体根据协议确定,再由所述非接入层实体发送至所述中继终端设备的接入层实体。
- 根据权利要求4所述的方法,其中,所述方法还包括:所述中继终端设备的远端层实体或PC5-RRC层实体向所述非接入层实体发送通知消息,所述通知消息用于通知所述非接入层实体建立非接入层连接。
- 根据权利要求2至5任一项所述的方法,其中,所述连接建立原因值与所述中继终端设备的中继方式对应。
- 根据权利要求2至6任一项所述的方法,其中,所述方法包括:所述中继终端设备接收所述网络设备发送的连接建立成功指示信息。
- 根据权利要求7所述的方法,其中,所述方法还包括:所述中继终端设备向所述远端终端设备发送所述连接建立成功指示信息。
- 根据权利要求7或8所述的方法,其中,所述连接建立成功指示信息用于指示所述中继终端设备与所述网络设备连接成功。
- 根据权利要求7至9任一项所述的方法,其中,所述方法还包括:所述中继终端设备向所述网络设备发送第一指示信息,所述第一指示信息用于指示所述中继终端设备与所述远端终端设备之间的侧行链路相关信息。
- 根据权利要求7至10任一项所述的方法,其中,所述方法还包括:所述中继终端设备接收所述网络设备发送第一配置信息,所述第一配置信息用于所述中继终端设备与所述远端终端设备传输信息。
- 根据权利要求2至11任一项所述的方法,其中,所述方法还包括:所述中继终端设备向所述网络设备发送所述第一信息;或者,所述中继终端设备基于所述第一信息向所述网络设备发送第二信息。
- 根据权利要求12所述的方法,其中,所述第二信息包括:RRC消息。
- 根据权利要求2至13任一项所述的方法,其中,所述方法还包括:所述中继终端设备接收所述远端终端设备发送的第三信息,所述中继终端设备向所述网络设备发送所述第三信息;和/或,所述中继终端接收所述网络设备发送的第四信息,所述中继终端向所述远端终端设备发送所述第四信息。
- 根据权利要求14所述的方法,其中,所述第三信息包括:RRC消息;和/或,所述第四信息包括:RRC消息。
- 根据权利要求2至6任一项所述的方法,其中,所述方法包括:所述中继终端设备接收所述网络设备发送的连接建立失败指示信息。
- 根据权利要求16所述的方法,其中,所述方法还包括:所述中继终端设备向所述远端终端设备发送所述连接建立失败指示信息。
- 根据权利要求16或17所述的方法,其中,所述连接建立失败指示信息用于指示所述中继终端设备与所述网络设备连接失败的原因。
- 根据权利要求1至18任一项所述的方法,其中,所述中继终端设备采用层2中继的方式与所述网络设备建立连接;和/或,所述远端终端设备与所述中继终端设备通过侧行链路建立连接。
- 一种中继连接建立方法,所述方法包括:远端终端设备向中继终端设备发送第一信息;以使所述中继终端设备向网络设备发送连接建立请求信息。
- 根据权利要求20所述的方法,其中,所述方法还包括:所述远端终端设备向所述中继终端设备发送连接建立原因值。
- 根据权利要求21所述的方法,其中,所述连接建立原因值可由所述远端终端设备发送至所述中继终端设备的非接入层实体;或者,所述连接建立原因值可由所述远端终端设备发送至所述终端设备的接入层实体。
- 根据权利要求20至22任一项所述的方法,其中,所述方法还包括:所述远端终端设备接收所述中继终端设备发送的连接建立成功指示信息。
- 根据权利要求23所述的方法,其中,所述连接建立成功指示信息用于指示所述中继终端设备与所述网络设备连接成功。
- 根据权利要求23或24所述的方法,其中,所述方法还包括:所述远端终端设备向所述中继终端设备发送第三信息,所述第三信息经所述中继终端设备发送至所述网络设备;和/或;所述远端终端设备接收所述中继终端设备发送的第四信息,所述第四信息由所述网络设备发送至所述中继终端设备。
- 根据权利要求25所述的方法,其中,所述第三信息包括:无线资源控制RRC消息;和/或,所述第四信息包括:RRC消息。
- 根据权利要求21或22所述的方法,其中,所述方法还包括:所述远端终端设备接收所述中继终端设备发送的连接建立失败指示信息。
- 根据权利要求27所述的方法,其中,所述连接建立失败指示信息用于指示所述远端终端设备与所述网络设备连接失败的原因。
- 根据权利要求21至28任一项所述的方法,其中,所述连接建立原因值与所述中继终端设备的中继方式对应。
- 根据权利要求21至29任一项所述的方法,其中,所述第一信息包括:RRC消息;或者,触发所述中继终端设备与所述网络设备建立RRC连接的指示信息。
- 根据权利要求21至30任一项所述的方法,其中,所述中继终端设备采用层2中继的方式与所述网络设备建立连接;和/或,所述远端终端设备与所述中继终端设备通过侧行链路建立连接。
- 根据权利要求21至31任一项所述的方法,其中,所述第一信息包括:RRC消息;和/或,所述第二信息包括:RRC消息。
- 一种中继连接建立方法,所述方法包括:网络设备接收中继终端设备发送的第一连接建立请求消息,所述第一连接建立请求消息中携带连接建立原因值,所述第一连接建立请求消息用于请求建立所述中继终端设备与所述网络设备之间的连接。
- 根据权利要求33所述的方法,其中,所述连接建立原因值由远端终端设备发送至所述中继终端设备的接入层实体;或者,所述连接建立原因值由所述中继终端设备的接入层实体根据协议确定;或者,所述连接建立原因值由所述远端终端设备发送至所述中继终端设备的非接入层实体,再由所述非接入层实体发送至所述中继终端设备的接入层实体;或者,所述连接建立原因值由所述中继终端设备的非接入层实体根据协议确定,再由所述非接入层实体发送至所述中继终端设备的接入层实体。
- 根据权利要求34所述的方法,其中,所述方法还包括:所述网络设备基于所述第一连接建立请求消息确定是否建立所述网络设备与所述中继终端设备之间的连接。
- 根据权利要求33至35任一项所述的方法,其中,所述方法还包括:所述网络设备向所述中继终端设备发送连接建立成功指示信息。
- 根据权利要求36所述的方法,其中,所述连接建立成功指示信息用于指示所述中继终端设备与所述网络设备连接成功。
- 根据权利要求36或37所述的方法,其中,所述方法还包括:所述网络设备接收所述中继终端设备发送的第一指示信息,所述第一指示信息用于指示所述中继终端设备与所述远端终端设备之间的侧行链路相关信息。
- 根据权利要求36至38任一项所述的方法,其中,所述方法还包括:所述网络设备向所述中继终端设备发送第一配置信息,所述第一配置信息用于所述中继终端设备与所述远端终端设备传输信息。
- 根据权利要求36至39任一项所述的方法,其中,所述方法还包括:所述网络设备接收所述中继终端设备发送的第一信息;或者,所述网络设备接收所述中继终端设备基于所述第一信息发送的第二信息;其中,所述第一信息由所述远端终端设备发送至所述中继终端设备。
- 根据权利要求40所述的方法,其中,所述第一信息包括:RRC消息;和/或,所述第二信息包括:RRC消息。
- 根据权利要求36至41任一项所述的方法,其中,所述网络设备接收所述中继终端设备发送的第三信息,所述第三信息由所述远端终端设备发送至所述中继终端设备;和/或,所述网络设备向所述中继终端设备发送第四信息,所述第四信息经由所述中继终端设备发送至所述远端终端设备。
- 根据权利要求42所述的方法,其中,所述第三信息包括:RRC消息;和/或,所述第四信息包括:RRC消息。
- 根据权利要求33至35任一项所述的方法,其中,所述方法还包括:所述网络设备向所述中继终端设备发送连接建立失败指示信息。
- 根据权利要求44所述的方法,其中,所述连接建立失败指示信息用于指示所述远端终端设备与所述网络设备连接失败的原因。
- 根据权利要求33至45任一项所述的方法,其中,所述连接建立原因值与所述中继终端设备的中继方式对应。
- 根据权利要求33至46任一项所述的方法,其中,所述中继终端设备采用层2中继的方式与所述网络设备建立连接;和/或,所述远端终端设备与所述中继终端设备通过侧行链路建立连接。
- 一种中继终端设备,所述中继终端设备包括:第一发送单元,配置为向网络设备发送第一连接建立请求消息;所述第一连接建立请求消息中携带连接建立原因值,所述第一连接建立请求消息用于请求建立所述中继终端设备与所述网络设备之间的连接。
- 根据权利要求48所述的中继终端设备,其中,所述中继终端设备还包括:第一接收单元,配置为接收远端终端设备发送的第一信息。
- 根据权利要求49所述的中继终端设备,其中,所述第一信息包括:无线资源控制RRC消息;或者,触发所述中继终端设备与所述网络设备建立RRC连接的指示信息。
- 根据权利要求48至50任一项所述的中继终端设备,其中,所述连接建立原因值由所述远端终端设备发送至所述中继终端设备的接入层实体;或者,所述连接建立原因值由所述中继终端设备的接入层实体根据协议确定;或者,所述连接建立原因值由所述远端终端设备发送至所述中继终端设备的非接入层实体,再由所述非接入层实体发送至所述中继终端设备的接入层实体;或者,所述连接建立原因值由所述中继终端设备的非接入层实体根据协议确定,再由所述非接入层实体发送至所述中继终端设备的接入层实体。
- 根据权利要求51所述的中继终端设备,其中,所述中继终端设备的远端层实体或PC5-RRC层实体向所述非接入层实体发送通知消息,所述通知消息用于通知所述非接入层实体建立非接入层连接。
- 根据权利要求49至52任一项所述的中继终端设备,其中,所述连接建立原因值与所述中继终端设备的中继方式对应。
- 根据权利要求49至53任一项所述的中继终端设备,其中,所述中继终端设备还包括:第二接收单元,配置为接收所述网络设备发送的连接建立成功指示信息。
- 根据权利要求54所述的中继终端设备,其中,所述第一发送单元,还配置为向所述远端终端设备发送所述连接建立成功指示信息。
- 根据权利要求54或55所述的中继终端设备,其中,所述连接建立成功指示信息用于指示所述中继终端设备与所述网络设备连接成功。
- 根据权利要求54至56任一项所述的中继终端设备,其中,所述第一发送单元,还配置为向所述网络设备发送第一指示信息,所述第一指示信息用于指示所述中继终端设备与所述远端终端设备之间的侧行链路相关信息。
- 根据权利要求54至57任一项所述的中继终端设备,其中,所述第二接收单元,还配置为接收所述网络设备发送第一配置信息,所述第一配置信息用于所述中继终端设备与所述远端终端设备传输信息。
- 根据权利要求49至58任一项所述的中继终端设备,其中,所述第一发送单元,还配置为向所述网络设备发送所述第一信息;或者,所述中继终端设备基于所述第一信息向所述网络设备发送第二信息。
- 根据权利要求59所述的中继终端设备,其中,所述第二信息包括:RRC消息。
- 根据权利要求49至60任一项所述的中继终端设备,其中,所述第一接收单元, 配置为接收所述远端终端设备发送的第三信息,所述中继终端设备向所述网络设备发送所述第三信息;和/或,所述第一接收单元,配置为接收所述网络设备发送的第四信息,所述中继终端向所述远端终端设备发送所述第四信息。
- 根据权利要求61所述的中继终端设备,其中,所述第三信息包括:RRC消息;和/或,所述第四信息包括:RRC消息。
- 根据权利要求49至53任一项所述的中继终端设备,其中,所述第一接收单元,还配置为接收所述网络设备发送的连接建立失败指示信息。
- 根据权利要求63所述的中继终端设备,其中,所述第一发送单元,还配置为向所述远端终端设备发送所述连接建立失败指示信息。
- 根据权利要求63或64所述的中继终端设备,其中,所述连接建立失败指示信息用于指示所述中继终端设备与所述网络设备连接失败的原因。
- 根据权利要求48至65任一项所述的中继终端设备,其中,所述中继终端设备采用层2中继的方式与所述网络设备建立连接;和/或,所述远端终端设备与所述中继终端设备通过侧行链路建立连接。
- 一种远端终端设备,所述远端终端设备包括:第二发送单元,配置为向中继终端设备发送第一信息;以使所述中继终端设备向网络设备发送第一连接建立请求信息。
- 根据权利要求67所述的远端终端设备,其中,所述第二发送单元,还配置为向所述中继终端设备发送连接建立原因值。
- 根据权利要求68所述的远端终端设备,其中,所述连接建立原因值可由所述远端终端设备发送至所述中继终端设备的非接入层实体;或者,所述连接建立原因值可由所述远端终端设备发送至所述终端设备的接入层实体。
- 根据权利要求67至69任一项所述的远端终端设备,其中,所述远端终端设备还包括:第四接收单元,配置为接收所述中继终端设备发送的连接建立成功指示信息。
- 根据权利要求70所述的远端终端设备,其中,所述连接建立成功指示信息用于指示所述中继终端设备与所述网络设备连接成功。
- 根据权利要求70或71所述的远端终端设备,其中,所述第二发送单元,配置为向所述中继终端设备发送第三信息,所述第三信息经所述中继终端设备发送至所述网络设备;和/或,所述第四接收单元,还配置为接收所述中继终端设备发送的第四信息,所述第四信息由所述网络设备发送至所述中继终端设备。
- 根据权利要求72所述的远端终端设备,其中,所述第三信息包括:无线资源控制RRC消息;和/或,所述第四信息包括:RRC消息。
- 根据权利要求68或69所述的远端终端设备,其中,所述远端终端设备还包括:第五接收单元,配置为接收所述中继终端设备发送的连接建立失败指示信息。
- 根据权利要求74所述的远端终端设备,其中,所述连接建立失败指示信息用于指示所述远端终端设备与所述网络设备连接失败的原因。
- 根据权利要求68至75任一项所述的远端终端设备,其中,所述连接建立原因值与所述中继终端设备的中继方式对应。
- 根据权利要求68至76任一项所述的远端终端设备,其中,所述第一信息包括:无线资源控制RRC消息;或者,触发所述中继终端设备与所述网络设备建立RRC连接的指示信息。
- 根据权利要求68至77任一项所述的远端终端设备,其中,所述中继终端设备采用层2中继的方式与所述网络设备建立连接;和/或,所述远端终端设备与所述中继终端设备通过侧行链路建立连接。
- 根据权利要求68至78任一项所述的远端终端设备,其中,所述第一信息包括:RRC消息;和/或,所述第二信息包括:RRC消息。
- 一种网络设备,所述网络设备包括:第六接收单元,配置为接收中继终端设备发送的第一连接建立请求消息,所述第一连接建立请求消息中携带连接建立原因值,所述第一连接建立请求消息用于请求建立所述中继终端设备与所述网络设备之间的连接。
- 根据权利要求80所述的网络设备,其中,所述连接建立原因值由远端终端设备发送至所述中继终端设备的接入层实体;或者,所述连接建立原因值由所述中继终端设备的接入层实体根据协议确定;或者,所述连接建立原因值由所述远端终端设备发送至所述中继终端设备的非接入层实体,再由所述非接入层实体发送至所述中继终端设备的接入层实体;或者,所述连接建立原因值由所述中继终端设备的非接入层实体根据协议确定,再由所述非接入层实体发送至所述中继终端设备的接入层实体。
- 根据权利要求81所述的网络设备,其中,所述网络设备还包括:处理单元,配置为基于所述第一连接建立请求消息确定是否建立所述网络设备与所述中继终端设备之间的连接。
- 根据权利要求80至82任一项所述的网络设备,其中,所述网络设备还包括:第三发送单元,配置为向所述中继终端设备发送连接建立成功指示信息。
- 根据权利要求83所述的网络设备,其中,所述连接建立成功指示信息用于指示所述中继终端设备与所述网络设备连接成功。
- 根据权利要求83或84所述的网络设备,其中,所述第六接收单元,还配置为接收所述中继终端设备发送的第一指示信息,所述第一指示信息用于指示所述中继终端设备与所述远端终端设备之间的侧行链路相关信息。
- 根据权利要求82至85任一项所述的网络设备,其中,所述网络设备还包括:第四发送单元,配置为向所述中继终端设备发送第一配置信息,所述第一配置信息用于所述中继终端设备与所述远端终端设备传输信息。
- 根据权利要求83至86任一项所述的网络设备,其中,所述第六接收单元,还配置为接收所述中继终端设备发送的第一信息;或者,接收所述中继终端设备基于所述第一信息发送的第二信息;其中,所述第一信息由所述远端终端设备发送至所述中继终端设备。
- 根据权利要求87所述的网络设备,其中,所述第一信息包括:RRC消息;和/或,所述第二信息包括:RRC消息。
- 根据权利要求83至88任一项所述的网络设备,其中,所述第六接收单元,还配置为接收所述中继终端设备发送的第三信息,所述第三信息由所述远端终端设备发送至所述中继终端设备;所述第三发送单元,还配置为向所述中继终端设备发送第四信息,所述第四信息经由所述中继终端设备发送至所述远端终端设备。
- 根据权利要求89所述的网络设备,其中,所述第三信息包括:无线资源控制RRC消息;和/或,所述第四信息包括:RRC消息。
- 根据权利要求80至82任一项所述的网络设备,其中,所述网络设备还包括:第五发送单元,配置为向所述中继终端设备发送连接建立失败指示信息。
- 根据权利要求91所述的网络设备,其中,所述连接建立失败指示信息用于指示所述远端终端设备与所述网络设备连接失败的原因。
- 根据权利要求80至92任一项所述的网络设备,其中,所述连接建立原因值与所述中继终端设备的中继方式对应。
- 根据权利要求80至93任一项所述的网络设备,其中,所述中继终端设备采用层2中继的方式与所述网络设备建立连接;和/或,所述远端终端设备与所述中继终端设备通过侧行链路建立连接。
- 一种中继终端设备,包括处理器和用于存储能够在处理器上运行的计算机程序的存储器,其中,所述处理器用于运行所述计算机程序时,执行权利要求1至19任一项所述的中继连接建立方法的步骤。
- 一种远端终端设备,包括处理器和用于存储能够在处理器上运行的计算机程序的存储器,其中,所述处理器用于运行所述计算机程序时,执行权利要求20至32任一项所述的中继连接建立方法的步骤。
- 一种网络设备,包括处理器和用于存储能够在处理器上运行的计算机程序的存储器,其中,所述处理器用于运行所述计算机程序时,执行权利要求33至47任一项所述的中继连接建立方法的步骤。
- 一种存储介质,存储有可执行程序,所述可执行程序被处理器执行时,实现权利要求1至19任一项所述的中继连接建立方法。
- 一种存储介质,存储有可执行程序,所述可执行程序被处理器执行时,实现权利要求20至32任一项所述的中继连接建立方法。
- 一种存储介质,存储有可执行程序,所述可执行程序被处理器执行时,实现权利要求33至47任一项所述的中继连接建立方法。
- 一种计算机程序产品,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求1至19任一项所述的中继连接建立方法。
- 一种计算机程序产品,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求20至32任一项所述的中继连接建立方法。
- 一种计算机程序产品,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求33至47任一项所述的中继连接建立方法。
- 一种计算机程序,所述计算机程序使得计算机执行如权利要求1至19任一项所述的中继连接建立方法。
- 一种计算机程序,所述计算机程序使得计算机执行如权利要求20至32任一项所述的中继连接建立方法。
- 一种计算机程序,所述计算机程序使得计算机执行如权利要求33至47任一项所述的中继连接建立方法。
- 一种芯片,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求1至19任一项所述的中继连接建立方法。
- 一种芯片,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求20至32任一项所述的中继连接建立方法。
- 一种芯片,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求33至47任一项所述的中继连接建立方法。
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EP21934132.8A EP4266819A1 (en) | 2021-04-02 | 2021-04-02 | Relay connection establishment method, electronic device and storage medium |
CN202180083074.4A CN116602048A (zh) | 2021-04-02 | 2021-04-02 | 一种中继连接建立方法、电子设备及存储介质 |
CN202311465568.6A CN117460087A (zh) | 2021-04-02 | 2021-04-02 | 一种中继连接建立方法、电子设备及存储介质 |
PCT/CN2021/085459 WO2022205477A1 (zh) | 2021-04-02 | 2021-04-02 | 一种中继连接建立方法、电子设备及存储介质 |
KR1020237027760A KR20230165200A (ko) | 2021-04-02 | 2021-04-02 | 릴레이 연결 구축 방법, 전자 기기 및 저장 매체 |
JP2023550082A JP2024513642A (ja) | 2021-04-02 | 2021-04-02 | 中継接続確立方法、電子機器及び記憶媒体 |
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CN106162929A (zh) * | 2015-04-07 | 2016-11-23 | 中兴通讯股份有限公司 | 在设备直通系统中用户终端与中继节点的通信方法和装置 |
CN110178441A (zh) * | 2017-01-09 | 2019-08-27 | Lg 电子株式会社 | 无线通信系统中由具有与远程ue的连接的中继ue连接网络的方法及其装置 |
US20190268964A1 (en) * | 2016-11-11 | 2019-08-29 | Lg Electronics Inc. | Method and apparatus for configuring rrc connection establishment cause for relay terminal in idle state in wireless communication system |
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- 2021-04-02 KR KR1020237027760A patent/KR20230165200A/ko unknown
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CN106162929A (zh) * | 2015-04-07 | 2016-11-23 | 中兴通讯股份有限公司 | 在设备直通系统中用户终端与中继节点的通信方法和装置 |
US20190268964A1 (en) * | 2016-11-11 | 2019-08-29 | Lg Electronics Inc. | Method and apparatus for configuring rrc connection establishment cause for relay terminal in idle state in wireless communication system |
CN110178441A (zh) * | 2017-01-09 | 2019-08-27 | Lg 电子株式会社 | 无线通信系统中由具有与远程ue的连接的中继ue连接网络的方法及其装置 |
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CN117460087A (zh) | 2024-01-26 |
US20230397265A1 (en) | 2023-12-07 |
JP2024513642A (ja) | 2024-03-27 |
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