WO2023016258A1 - 终端接入方法、装置、终端及存储介质 - Google Patents
终端接入方法、装置、终端及存储介质 Download PDFInfo
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- WO2023016258A1 WO2023016258A1 PCT/CN2022/108198 CN2022108198W WO2023016258A1 WO 2023016258 A1 WO2023016258 A1 WO 2023016258A1 CN 2022108198 W CN2022108198 W CN 2022108198W WO 2023016258 A1 WO2023016258 A1 WO 2023016258A1
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- 238000000034 method Methods 0.000 title claims abstract description 96
- 238000004891 communication Methods 0.000 claims abstract description 68
- 238000004590 computer program Methods 0.000 claims description 39
- 230000004044 response Effects 0.000 claims description 26
- 230000011664 signaling Effects 0.000 claims description 25
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- 230000000694 effects Effects 0.000 description 10
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- 230000005540 biological transmission Effects 0.000 description 5
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- 238000005516 engineering process Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000007726 management method Methods 0.000 description 2
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- 230000006399 behavior Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
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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
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/08—Access security
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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
- H04W40/12—Communication route or path selection, e.g. power-based or shortest path routing based on transmission quality or channel quality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
- H04W40/248—Connectivity information update
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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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
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- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
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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
- 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
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- 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
Definitions
- the present disclosure relates to the field of communication technologies, and in particular, to a terminal access method, device, terminal and storage medium.
- the relay terminal is a terminal within the coverage of the network, and the remote terminal may be located within the coverage of the network or outside the coverage of the network.
- the remote terminal can access the network device through the relay terminal; for UE-to-UE relay, the remote terminal can access the target terminal through the relay terminal.
- the present application provides a terminal access method, device, terminal and storage medium, which are used to realize the establishment of a relay connection in a multi-hop scenario.
- the present disclosure provides a terminal access method, which is applied to a target relay terminal, including: receiving a connection establishment request message sent by the terminal through a direct communication interface, the connection establishment request message carrying the identity information of the terminal, and the identity information of the terminal.
- the identification information is used to indicate that the terminal accesses the target relay terminal as a remote terminal, or accesses the target relay terminal as a relay terminal.
- the terminal access method further includes: performing a target operation corresponding to the terminal's identity information according to the terminal's identity information.
- connection establishment request message is a PC5 connection establishment request message
- PC5 connection establishment request message includes PC5-S signaling and/or PC5-RRC signaling.
- connection establishment request message carries indication information, and the value of the indication information indicates that the terminal accesses the target relay terminal as a remote terminal, or, as a relay terminal, Access the target relay terminal.
- the indication information may be optionally carried in the connection establishment request message, and whether the indication information is carried indicates that the terminal accesses the relay terminal as a remote terminal, or accesses the target relay terminal as a relay terminal .
- performing the target operation corresponding to the identity information of the terminal includes: if it is determined that the terminal accesses the target relay terminal as a remote terminal, then directly The communication interface establishes a direct communication connection with the terminal;
- a direct communication interface connection with the terminal is established, and an indication message is sent to at least one of the target network device, the target remote terminal, and the last-hop relay terminal A device, and/or, establishes a direct communication interface connection with the terminal, and updates its own routing table;
- the instruction information is used to instruct the target network device, the target remote terminal or the last-hop relay terminal to update the corresponding routing table.
- the connection establishment request message also carries the relay capability indication information of the terminal, and/or, the terminal accesses the target relay terminal The relay working mode used after the terminal.
- the relay capability indication information includes at least one of the following:
- the terminal access method further includes: according to the relay capability indication information of the terminal carried in the connection establishment request message, determining the relay working mode used by the terminal after accessing the target relay terminal.
- the terminal access method further includes: sending a response message corresponding to the connection establishment request message to the terminal, where the response message carries indication information, and the indication information is used to instruct the terminal to access the target relay terminal to use relay working mode.
- the relay working mode includes at least one of the following:
- an embodiment of the present disclosure provides a terminal access method, which is applied to a terminal, including: sending a connection establishment request message to a target relay terminal through a direct communication interface, the connection establishment request message carrying the identity information of the terminal, and the terminal's The identity information is used to indicate that the terminal accesses the target relay terminal as a remote terminal, or accesses the target relay terminal as a relay terminal.
- the terminal access method before sending the connection establishment request message to the target relay terminal through the direct communication interface, the terminal access method further includes: determining the target relay terminal according to the identity of the terminal.
- determining the target relay terminal according to the identity of the terminal includes: if the terminal accesses the target relay terminal as a remote terminal, the relay terminal that satisfies the first preset condition Select a relay terminal as the target relay terminal; or, if the terminal accesses the target relay terminal as a relay terminal, select N relay terminals among the relay terminals satisfying the second preset condition as Target relay terminal, N is an integer greater than or equal to 1.
- the second preset condition includes at least one of the following: the relay working mode supported by the terminal includes the relay working mode currently used by the target relay terminal; the direct communication between the terminal and the relay terminal The channel quality of the interface is higher than the preset threshold.
- connection establishment request message carries indication information, and the value of the indication information indicates that the terminal accesses the target relay terminal as a remote terminal, or, as a relay terminal, Access to the target relay terminal;
- connection establishment request message may optionally carry indication information, and whether to carry the indication information indicates that the terminal is to access the target relay terminal as a remote terminal, or to access the target relay terminal as a relay terminal terminal.
- the connection establishment request message when the terminal accesses the target relay terminal as a relay terminal, the connection establishment request message also carries the relay capability indication information of the terminal, and/or, the terminal accesses the target relay terminal The relay working mode used after relaying the terminal.
- the terminal access method further includes: receiving a relay discovery message broadcast by the target relay terminal, where the relay discovery message carries the relay working mode of the target relay terminal; The relay working mode of the terminal determines the relay working mode used after the terminal accesses the target relay terminal.
- the terminal access method further includes: receiving a response message corresponding to the connection establishment request message sent by the target relay terminal, where the response message carries indication information, and the indication information is used to instruct the terminal to access the The relay working mode used after the terminal.
- the relay working mode includes at least one of the following: layer 2 relay L2 relay; layer 3 relay L3 relay; layer 2 terminal-to-network device relay L2 U2N relay; layer 2 terminal-to-terminal Relay L2 U2U relay; layer 3 terminal-to-network equipment relay L3 U2N relay; layer 3 terminal-to-terminal relay L3 U2U relay.
- the relay capability indication information includes at least one of the following: layer 2 relay L2 relay; layer 3 relay L3 relay; layer 2 terminal to network device relay L2 U2N relay; layer 2 terminal to Terminal relay L2 U2U relay; layer 3 terminal-to-network equipment relay L3 U2N relay; layer 3 terminal-to-terminal relay L3 U2U relay.
- an embodiment of the present disclosure provides a terminal access device, which is applied to a target relay terminal, including: a receiving module, configured to receive a connection establishment request message sent by the terminal through a direct communication interface, and the connection establishment request message carries the terminal's Identity information, the identity information of the terminal is used to indicate that the terminal accesses the target relay terminal as a remote terminal, or accesses the target relay terminal as a relay terminal.
- an embodiment of the present disclosure provides a terminal access device, which is applied to a terminal, including: a sending module, configured to send a connection establishment request message to a target relay terminal through a direct communication interface, and the connection establishment request message carries the identity of the terminal Identification information, the identity information of the terminal is used to indicate that the terminal accesses the target relay terminal as a remote terminal, or accesses the target relay terminal as a relay terminal.
- an embodiment of the present disclosure provides a relay terminal, including:
- transceiver configured to send and receive data under the control of the processor
- a processor that reads a computer program in memory and does the following:
- the connection establishment request message carries the identity information of the terminal, and the identity information of the terminal is used to indicate that the terminal accesses the target relay terminal as a remote terminal, or, with The identity of the relay terminal accesses the target relay terminal.
- the processor is further configured to perform the following operation: perform a target operation corresponding to the terminal's identity information according to the terminal's identity information.
- connection establishment request message is a PC5 connection establishment request message
- PC5 connection establishment request message includes PC5-S signaling and/or PC5-RRC signaling.
- connection establishment request message carries indication information, and the value of the indication information indicates that the terminal accesses the target relay terminal as a remote terminal, or, as a relay terminal, Access to the target relay terminal;
- the indication information may be optionally carried in the connection establishment request message, and whether the indication information is carried indicates that the terminal accesses the relay terminal as a remote terminal, or accesses the target relay terminal as a relay terminal .
- performing the target operation corresponding to the identity information of the terminal includes: if it is determined that the terminal accesses the target relay terminal as a remote terminal, then directly The communication interface establishes a direct communication connection with the terminal;
- a direct communication interface connection with the terminal is established, and an indication message is sent to at least one of the target network device, the target remote terminal, and the last-hop relay terminal A device, and/or, establishes a direct communication interface connection with the terminal, and updates its own routing table;
- the instruction information is used to instruct the target network device, the target remote terminal or the last-hop relay terminal to update the corresponding routing table.
- the connection establishment request message also carries the relay capability indication information of the terminal, and/or, the terminal accesses the target relay terminal The relay working mode used after the terminal.
- the relay capability indication information includes at least one of the following: layer 2 relay L2 relay; layer 3 relay L3 relay; layer 2 terminal to network device relay L2 U2N relay; layer 2 terminal to Terminal relay L2 U2U relay; layer 3 terminal-to-network equipment relay L3 U2N relay; layer 3 terminal-to-terminal relay L3 U2U relay.
- the processor is further configured to perform the following operation: according to the relay capability indication information of the terminal carried in the connection establishment request message, determine the relay working mode used by the terminal after accessing the target relay terminal.
- the processor is further configured to perform the following operations: send a response message corresponding to the connection establishment request message to the terminal, where the response message carries indication information, and the indication information is used to indicate that the terminal accesses the target relay terminal.
- the relay working mode to use.
- the relay working mode includes at least one of the following: layer 2 relay L2 relay; layer 3 relay L3 relay; layer 2 terminal-to-network device relay L2 U2N relay; layer 2 terminal-to-terminal Relay L2 U2U relay; layer 3 terminal-to-network equipment relay L3 U2N relay; layer 3 terminal-to-terminal relay L3 U2U relay.
- an embodiment of the present disclosure provides a terminal, including:
- transceiver configured to send and receive data under the control of the processor
- a processor that reads a computer program in memory and does the following:
- connection establishment request message carries the identity information of the terminal, and the identity information of the terminal is used to indicate that the terminal accesses the target relay terminal as a remote terminal, or , to access the target relay terminal as a relay terminal.
- the processor is further configured to perform the following operation: determine a target relay terminal according to the identity of the terminal.
- determining the target relay terminal according to the identity of the terminal includes: if the terminal accesses the target relay terminal as a remote terminal, the relay terminal that satisfies the first preset condition Select a relay terminal as the target relay terminal; or, if the terminal accesses the target relay terminal as a relay terminal, select N relay terminals among the relay terminals satisfying the second preset condition as Target relay terminal, N is an integer greater than or equal to 1.
- the second preset condition includes at least one of the following: the relay working mode supported by the terminal includes the relay working mode currently used by the target relay terminal; the direct communication between the terminal and the relay terminal The channel quality of the interface is higher than the preset threshold.
- connection establishment request message carries indication information, and the value of the indication information indicates that the terminal accesses the target relay terminal as a remote terminal, or, as a relay terminal, Access the target relay terminal.
- connection establishment request message may optionally carry indication information, and whether to carry the indication information indicates that the terminal is to access the target relay terminal as a remote terminal, or to access the target relay terminal as a relay terminal terminal.
- the connection establishment request message when the terminal accesses the target relay terminal as a relay terminal, the connection establishment request message also carries the relay capability indication information of the terminal, and/or, the terminal accesses the target relay terminal The relay working mode used after relaying the terminal.
- the processor is further configured to perform the following operations: receive a relay discovery message broadcast by the target relay terminal, where the relay discovery message carries the relay working mode of the target relay terminal;
- the relay working mode of the relay terminal determines the relay working mode used after the terminal accesses the target relay terminal.
- the processor is further configured to perform the following operations: receive a response message corresponding to the connection establishment request message sent by the target relay terminal, where the response message carries indication information, and the indication information is used to instruct the terminal to access the target The relay working mode used after relaying the terminal.
- the relay working mode includes at least one of the following: layer 2 relay L2 relay; layer 3 relay L3 relay; layer 2 terminal-to-network device relay L2 U2N relay; layer 2 terminal-to-terminal Relay L2 U2U relay; layer 3 terminal-to-network equipment relay L3 U2N relay; layer 3 terminal-to-terminal relay L3 U2U relay.
- the relay capability indication information includes at least one of the following: layer 2 relay L2 relay; layer 3 relay L3 relay; layer 2 terminal to network device relay L2 U2N relay; layer 2 terminal to Terminal relay L2 U2U relay; layer 3 terminal-to-network equipment relay L3 U2N relay; layer 3 terminal-to-terminal relay L3 U2U relay.
- an embodiment of the present disclosure provides a processor-readable storage medium, where a computer program is stored in the processor-readable storage medium, and the computer program is used to enable a processor to execute the terminal interface as described in the first aspect and/or the second aspect. input method.
- a computer program product includes: a computer program, and when the computer program is executed by a processor, the terminal access method according to the first aspect and/or the second aspect is implemented.
- a terminal access method, device, terminal, and storage medium provided in the present disclosure receive a connection establishment request message sent by the terminal through a direct communication interface, the connection establishment request message carries the identity information of the terminal, and the identity information of the terminal is used to indicate The terminal accesses the target relay terminal as a remote terminal, or accesses the target relay terminal as a relay terminal.
- FIG. 1 is a schematic diagram of an application scenario of a terminal access method in the prior art
- FIG. 2 is a schematic diagram of an application scenario of a terminal access method provided by an embodiment of the present disclosure
- FIG. 3 is a first schematic diagram of signaling interaction of a terminal access method provided by an embodiment of the present disclosure
- FIG. 4 is a second schematic diagram of signaling interaction of a terminal access method provided by an embodiment of the present disclosure
- FIG. 5 is a third schematic diagram of signaling interaction of a terminal access method provided by an embodiment of the present disclosure.
- FIG. 6 is a first structural schematic diagram of a terminal access device provided by an embodiment of the present disclosure.
- FIG. 7 is a second structural schematic diagram of a terminal access device provided by an embodiment of the present disclosure.
- FIG. 8 is a schematic structural diagram of a relay terminal provided by an embodiment of the present disclosure.
- FIG. 9 is a schematic structural diagram of a terminal provided by an embodiment of the present disclosure.
- the relay terminal is a terminal within the coverage of the network, and the remote terminal may be located within the coverage of the network or outside the coverage of the network.
- the remote terminal can access the network device through the relay terminal; for UE-to-UE relay, the remote terminal can access the target terminal through the relay terminal.
- FIG. 1 is a schematic diagram of an application scenario of a terminal access method in the prior art. As shown in FIG. 1 , the scenario includes: a remote terminal 101 , a relay terminal 102 and a target device 103 .
- the target device 103 may be a network device, such as a base station, or other terminal devices, such as other remote terminals.
- the base station is shown in FIG. 1 as an example, but it is not limited thereto.
- the relay terminal 102 is within the communication range of the target device 103, and the remote terminal 101 is outside the communication range of the target device 103.
- the remote terminal 101 can forward the relevant information through the relay terminal 102. data, thereby realizing data transmission with the target device 103.
- the behavior of the target relay terminal is different, and an enhanced mechanism needs to be considered to ensure that the target relay terminal
- the relay terminal can identify the identity of the terminal to be accessed, so as to perform different operations according to the identity of the terminal to be accessed.
- the embodiments of the present disclosure provide a terminal access method, device, terminal and storage medium.
- the terminal accesses the target relay terminal, it carries the terminal information in the connection establishment request message.
- the identity information of the terminal is used to ensure that the target relay terminal can correctly identify the identity information of the terminal to be accessed, so that the operation corresponding to the identity of the terminal is adopted to ensure the normal operation of the system.
- FIG. 2 is a schematic diagram of an application scenario of a terminal access method provided by an embodiment of the present disclosure. As shown in Figure 2, this scenario includes: remote terminal 201, relay terminal 202 (in the figure, relay terminal 1, relay terminal 2 ... relay terminal M is shown as an example, M is greater than 1) and the target device 203.
- this scenario includes: remote terminal 201, relay terminal 202 (in the figure, relay terminal 1, relay terminal 2 ... relay terminal M is shown as an example, M is greater than 1) and the target device 203.
- the target device 203 may be a network device, such as a base station, or other terminal devices, such as other remote terminals.
- a base station is used as an example, but it is not limited thereto.
- remote terminal 201 and relay terminal 202 may be devices that provide voice and/or data connectivity to users, handheld devices with wireless connection functions, or other processing devices connected to wireless modems.
- the names of the above-mentioned terminals may be different.
- the above-mentioned terminals may be called user equipment (User Equipment, UE), and the above-mentioned terminals may also be wireless terminals.
- the access network (Radio Access Network, RAN) communicates with one or more core networks (Core Network, CN), and the wireless terminal can be a mobile terminal, such as a mobile phone (or "cellular" phone) and a mobile phone with a mobile terminal Computers, for example, may be portable, pocket, handheld, built-in, or vehicle-mounted mobile devices that exchange voice and/or data with the radio access network.
- a wireless terminal may also be called a system, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, an access point, A remote terminal (remote terminal), an access terminal (access terminal), a user terminal (user terminal), a user agent (user agent), and a user device (user device) are not limited in the embodiments of the present disclosure.
- the applicable system may be a global system of mobile communication (GSM) system, a code division multiple access (CDMA) system, a wideband code division multiple access (WCDMA) general packet Wireless business (general packet radio service, GPRS) system, long term evolution (long term evolution, LTE) system, LTE frequency division duplex (frequency division duplex, FDD) system, LTE time division duplex (time division duplex, TDD) system, Long term evolution advanced (LTE-A) system, universal mobile telecommunications system (UMTS), worldwide interoperability for microwave access (WiMAX) system, 5G new air interface (New Radio, NR) system, etc.
- GSM global system of mobile communication
- CDMA code division multiple access
- WCDMA wideband code division multiple access
- GPRS general packet Wireless business
- long term evolution long term evolution
- LTE long term evolution
- LTE frequency division duplex frequency division duplex
- FDD frequency division duplex
- TDD time division duplex
- LTE-A Long term evolution advanced
- FIG. 2 is schematic, and the above-mentioned scenario may also include other network devices, such as a wireless repeater device and a wireless backhaul device, etc., which are not shown in FIG. 2 .
- FIG. 3 is a first schematic flowchart of a terminal access method provided by an embodiment of the present disclosure. As shown in Figure 3, the terminal access method may include the following steps:
- the terminal sends a connection establishment request message to a target relay terminal through a direct communication interface.
- connection establishment request message is used to request to establish a direct communication connection with the target relay terminal
- the connection establishment request message carries the identity information of the terminal
- the identity information of the terminal is used to indicate that the terminal accesses the target relay terminal as a remote terminal.
- the relay terminal or, accessing the target relay terminal as a relay terminal.
- the specific understanding of the identity of the relay terminal means that the terminal expects to work as a relay terminal after accessing the target relay terminal.
- the target relay terminal is relay terminal 1
- the identity information is used to indicate that the remote terminal 201 accesses the terminal as a remote terminal.
- the relay terminal 1 still accesses the relay terminal 1 as a relay terminal.
- accessing the relay terminal 1 as a relay terminal means that the remote terminal 201 will enable the relay function after accessing the relay terminal 1, and work as a relay terminal.
- the target relay terminal receives the connection establishment request message sent by the terminal through the direct communication interface.
- the target relay terminal obtains the identity information in the connection establishment request message, and performs corresponding operations according to the identity information. As for the specific execution manner, it will be shown in subsequent embodiments.
- the terminal sends a connection establishment request message to a target relay terminal through a direct communication interface, and the target relay terminal receives the connection establishment request message sent by the terminal through the direct communication interface. Since the connection establishment request message carries the identity information of the terminal, the relay terminal can perform corresponding operations according to the identity information of the terminal to be accessed, thereby ensuring that when a terminal wants to access the target relay terminal, the target relay terminal can Correctly identify the identity information of the terminal to be accessed, so as to adopt the operation corresponding to the terminal identity to ensure the normal operation of the system.
- connection establishment request message may be a PC5 connection establishment request message, where the PC5 connection establishment request message may be PC5-S signaling and/or PC5-RRC signaling.
- the identity information of the terminal may be carried in the connection establishment request message in an explicit or implicit manner.
- the identity information of the terminal is explicitly carried in the connection establishment request message, including:
- the indication information is carried in the connection establishment request message, and the value of the indication information indicates that the terminal accesses the target relay terminal as a remote terminal, or accesses the target relay terminal as a relay terminal.
- the value of the indication information carried in the connection establishment request message (for example, 1 bit) is 0, it means that the terminal accesses the target relay terminal as a remote terminal; if the value of the bit indication information is 1, then Indicates that the terminal accesses the target relay terminal as a relay terminal.
- the identity information of the terminal is implicitly carried in the connection establishment request message, including:
- Indication information may optionally be carried in the connection establishment request message, and whether the indication information is carried indicates that the terminal accesses the relay terminal as a remote terminal, or accesses a target relay terminal as a relay terminal.
- the indication information (for example, 1 bit) is selectively carried in the connection establishment request message, and if the 1 bit indication information is carried in the connection establishment request message, it means that the terminal accesses the target relay terminal as a relay terminal; if If the 1-bit indication information is not carried in the connection establishment request message, it means that the terminal accesses the target relay terminal as a remote terminal.
- FIG. 4 is a second schematic diagram of signaling interaction of a terminal access method provided by an embodiment of the present disclosure.
- the terminal access method provided by the embodiment of the present disclosure may include the following steps:
- the terminal determines a target relay terminal according to the identity of the terminal.
- the terminal with the identity of the remote terminal and the terminal with the identity of the relay terminal use different methods when determining the target relay terminal.
- the terminal accesses the target relay terminal as a remote terminal, select a relay terminal among the relay terminals satisfying the first preset condition as the target relay terminal.
- the embodiment of the present disclosure does not limit the first preset condition.
- the first preset condition may be determined based on the AS layer standard and/or the NAS rule.
- the first preset condition may be that the channel quality of the direct communication interface is greater than a preset threshold. That is, the terminal determines the channel quality (for example, SD-RSRP) of the direct communication interface between the terminal and each candidate relay terminal measured by it, and then the terminal uniquely selects the channel quality condition (that is, greater than the preset threshold) from the direct communication interface.
- a preset threshold for example, SD-RSRP
- One relay terminal serves as the target relay terminal.
- the terminal selects a relay terminal from the candidate relay terminals that meet the first preset condition as the target relay terminal.
- the content of the NAS relay selection rule this embodiment of the present disclosure does not specifically limit it.
- the second preset condition includes at least one of the following:
- the relay working mode supported by the terminal includes the relay working mode currently used by the target relay terminal;
- the channel quality of the direct communication interface between the terminal and the relay terminal is higher than a preset threshold.
- the terminal sends a connection establishment request message to the target relay terminal through the direct communication interface.
- step S402 is similar to those of step S301 in the embodiment shown in FIG.
- the target relay terminal performs a target operation corresponding to the terminal's identity information according to the terminal's identity information.
- the target relay terminal If it is determined that the terminal accesses the target relay terminal as a remote terminal, the target relay terminal establishes a direct communication interface connection with the terminal.
- the relay terminal If it is determined that the terminal accesses the target relay terminal as a relay terminal, in addition to establishing a direct communication interface connection with the terminal, the relay terminal also needs to send an indication message to the target network device, the target remote terminal, and the upper One-hop relaying at least one device in the terminal; and/or, establishing a direct communication interface connection with the terminal, and updating its own routing table.
- the instruction information is used to instruct the target network device, the target remote terminal or the last-hop relay terminal to update the corresponding routing table.
- the target relay terminal is the relay terminal 1 as an example, and the target network device and the target remote terminal are the target device 203 in FIG. 2 .
- the terminal sends a connection establishment request message to the relay terminal 1, wherein the identity indication information of the carrying terminal indicates that the terminal is a relay terminal, and after the relay terminal 1 determines that the identity of the terminal is a relay terminal according to the identity indication information, the intermediate The relay terminal 1 will send the indication information to the target device 203, and as an optional implementation manner, will also send the indication information to other relay terminals, such as the relay terminal 2, the relay terminal M, and so on. Therefore, the routing information may be updated by the target device 203 and/or the relay terminal 2, the relay terminal M, and the like.
- the connection establishment request message when the terminal accesses the target relay terminal as a relay terminal, the connection establishment request message also carries the relay capability indication information of the terminal, and/or, the terminal uses relay working mode.
- the relay working mode and the relay capability indication information include at least one of the following:
- the target relay terminal can perform different operations according to the identity of the access terminal, so as to ensure that when a terminal wants to access the target relay terminal, the target relay terminal can correctly identify the identity of the terminal to be accessed Information, so that the operation corresponding to the terminal identity is adopted to ensure the normal operation of the system.
- FIG. 5 is a third schematic diagram of signaling interaction of a terminal access method provided by an embodiment of the present disclosure. As shown in Figure 5, the terminal access method provided by the embodiment of the present disclosure includes the following steps:
- the terminal determines a target relay terminal according to the identity of the terminal.
- step S501 is similar to step S401 in the embodiment shown in FIG. 4 , and will not be repeated here.
- the terminal receives the relay discovery message broadcast by the target relay terminal.
- the relay discovery message carries the relay working mode of the target relay terminal.
- the terminal determines, according to the relay working mode of the target relay terminal, the relay working mode used after the terminal accesses the target relay terminal.
- the terminal sends a connection establishment request message to the target relay terminal through the direct communication interface.
- connection establishment request message also carries the relay capability indication information of the terminal, and/or the relay working mode used by the terminal after accessing the target relay terminal.
- the target relay terminal performs a target operation corresponding to the terminal's identity information according to the terminal's identity information.
- steps S505 - S505 are similar to steps S402 - S403 in the embodiment shown in FIG. 4 , and will not be repeated here.
- the target relay terminal determines the relay working mode used by the terminal after accessing the target relay terminal according to the relay capability indication information of the terminal carried in the connection establishment request message.
- the target relay terminal sends a response message corresponding to the connection establishment request message to the terminal.
- the response message carries indication information
- the indication information is used to indicate the relay working mode used by the terminal after accessing the target relay terminal.
- the terminal receives the response message corresponding to the connection establishment request message sent by the target relay terminal, and obtains the relay working mode indicated in the response message after the terminal accesses the target relay terminal, so that when accessing the target relay terminal After that, work according to the relay working mode.
- FIG. 6 is a schematic structural diagram of a terminal access device provided by an embodiment of the present disclosure. As shown in Figure 6, the terminal access device 600 includes:
- the receiving module 601 is configured to receive a connection establishment request message sent by the terminal through the direct communication interface, the connection establishment request message carries the identity information of the terminal, and the identity information of the terminal is used to indicate that the terminal accesses the target as a remote terminal relay terminal, or access the target relay terminal as a relay terminal.
- the terminal access apparatus 600 further includes: a processing module 602, configured to execute a target operation corresponding to the terminal's identity information according to the terminal's identity information.
- connection establishment request message is a PC5 connection establishment request message
- PC5 connection establishment request message includes PC5-S signaling and/or PC5-RRC signaling.
- connection establishment request message carries indication information, and the value of the indication information indicates that the terminal accesses the target relay terminal as a remote terminal, or, as a relay terminal, Access to the target relay terminal;
- the indication information may be optionally carried in the connection establishment request message, and whether the indication information is carried indicates that the terminal accesses the relay terminal as a remote terminal, or accesses the target relay terminal as a relay terminal .
- the processing module 602 is specifically configured to: if it is determined that the terminal accesses the target relay terminal as a remote terminal, establish a direct communication interface connection between the target relay terminal and the terminal;
- the terminal If it is determined that the terminal is accessing the target relay terminal as a relay terminal, establish a direct communication interface connection between the target relay terminal and the terminal, and send an indication message to the target network device, the target remote terminal and the previous hop relay At least one device in the terminal, and/or, establishes a direct communication interface connection between the target relay terminal and the terminal, and updates its own routing table;
- the instruction information is used to instruct the target network device, the target remote terminal or the last-hop relay terminal to update the corresponding routing table.
- the connection establishment request message also carries the relay capability indication information of the terminal, and/or, the terminal accesses the target relay terminal The relay working mode used after the terminal.
- the relay capability indication information includes at least one of the following: layer 2 relay L2 relay; layer 3 relay L3 relay; layer 2 terminal to network device relay L2 U2N relay; layer 2 terminal to Terminal relay L2 U2U relay; layer 3 terminal-to-network equipment relay L3 U2N relay; layer 3 terminal-to-terminal relay L3 U2U relay.
- the terminal access apparatus 600 further includes: a determining module 603, configured to determine the terminal to access the target relay terminal and use the relay working mode.
- the terminal access device 600 further includes: a sending module 604, configured to send a response message corresponding to the connection establishment request message to the terminal, where the response message carries indication information, and the indication information is used to instruct the terminal to access The relay working mode used after entering the target relay terminal.
- a sending module 604 configured to send a response message corresponding to the connection establishment request message to the terminal, where the response message carries indication information, and the indication information is used to instruct the terminal to access The relay working mode used after entering the target relay terminal.
- the relay working mode includes at least one of the following: layer 2 relay L2 relay; layer 3 relay L3 relay; layer 2 terminal-to-network device relay L2 U2N relay; layer 2 terminal-to-terminal Relay L2 U2U relay; layer 3 terminal-to-network equipment relay L3 U2N relay; layer 3 terminal-to-terminal relay L3 U2U relay.
- the above-mentioned terminal access device provided in the present disclosure can correspondingly implement all the method steps implemented by the target relay terminal in the above-mentioned method embodiments, and can achieve the same technical effect, and no further description will be made here. Parts and beneficial effects in the embodiment that are the same as those in the method embodiment are specifically described in detail.
- FIG. 7 is a second structural schematic diagram of a terminal access device provided by an embodiment of the present disclosure. As shown in Figure 7, the terminal access device 700 includes:
- the sending module 701 is configured to send a connection establishment request message to the target relay terminal through the direct communication interface, the connection establishment request message carries the identity information of the terminal, and the identity information of the terminal is used to indicate that the terminal is accessed as a remote terminal The target relay terminal, or access the target relay terminal as a relay terminal.
- the terminal access apparatus 700 further includes: a determining module 702, configured to determine a target relay terminal according to an identity of the terminal.
- the determining module 702 is specifically configured to, if the terminal accesses the target relay terminal as a remote terminal, select a relay terminal among the relay terminals satisfying the first preset condition as the target relay terminal; or, if the terminal accesses the target relay terminal as a relay terminal, select N relay terminals as target relay terminals among the relay terminals satisfying the second preset condition, and N is an integer greater than or equal to 1.
- the second preset condition includes at least one of the following: the relay working mode supported by the terminal includes the relay working mode currently used by the target relay terminal; the direct communication between the terminal and the relay terminal The channel quality of the interface is higher than the preset threshold.
- the identity information of the terminal is carried in the connection establishment request message in an explicit or implicit manner.
- connection establishment request message carries indication information, and the value of the indication information indicates that the terminal accesses the target relay terminal as a remote terminal, or, as a relay terminal, Access to the target relay terminal;
- connection establishment request message may optionally carry indication information, and whether to carry the indication information indicates that the terminal is to access the target relay terminal as a remote terminal, or to access the target relay terminal as a relay terminal terminal.
- the connection establishment request message when the terminal accesses the target relay terminal as a relay terminal, the connection establishment request message also carries the relay capability indication information of the terminal, and/or, the terminal accesses the target relay terminal The relay working mode used after relaying the terminal.
- the terminal access device 700 further includes: a receiving module 703, configured to receive a relay discovery message broadcast by the target relay terminal, the relay discovery message carrying the relay information of the target relay terminal Working mode; the determining module 702 is further configured to determine the relaying working mode used by the terminal after accessing the target relaying terminal according to the relaying working mode of the target relaying terminal.
- the receiving module 703 is also configured to receive a response message corresponding to the connection establishment request message sent by the target relay terminal, the response message carries indication information, and the indication information is used to instruct the terminal to access the target relay The relay working mode used after the terminal.
- the relay working mode includes at least one of the following: layer 2 relay L2 relay; layer 3 relay L3 relay; layer 2 terminal-to-network device relay L2 U2N relay; layer 2 terminal-to-terminal Relay L2 U2U relay; layer 3 terminal-to-network equipment relay L3 U2N relay; layer 3 terminal-to-terminal relay L3 U2U relay.
- the relay capability indication information includes at least one of the following: layer 2 relay L2 relay; layer 3 relay L3 relay; layer 2 terminal to network device relay L2 U2N relay; layer 2 terminal to Terminal relay L2 U2U relay; layer 3 terminal-to-network equipment relay L3 U2N relay; layer 3 terminal-to-terminal relay L3 U2U relay.
- the above-mentioned terminal access device provided by the present disclosure can correspondingly implement all the method steps implemented by the terminal in the above-mentioned method embodiments, and can achieve the same technical effect, and no further description is given here in this embodiment.
- the same parts and beneficial effects as those of the method embodiment will be described in detail.
- FIG. 8 is a schematic structural diagram of a relay terminal provided by an embodiment of the present disclosure.
- the relay terminal is a target relay terminal.
- the target relay terminal includes: a transceiver 801 , a processor 802 and a memory 803 .
- Transceiver 801 configured to send and receive data under the control of processor 802;
- the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by the processor 802 and various circuits of the memory represented by the memory 803 are linked together.
- the bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, etc., which are well known in the art and therefore will not be further described herein.
- the bus interface provides the interface.
- the transceiver 801 may be a plurality of elements, including a transmitter and a receiver, providing a unit for communicating with various other devices over transmission media, including wireless channels, wired channels, optical cables, and other transmission media.
- the processor 802 is responsible for managing the bus architecture and general processing, and the memory 803 can store data used by the processor 802 when performing operations.
- the processor 802 is responsible for managing the bus architecture and general processing, and the memory 803 can store data used by the processor 802 when performing operations.
- the processor 802 may be a central processing unit (central processing unit, CPU), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a field programmable gate array (Field-Programmable Gate Array, FPGA) or complex programmable logic device (Complex Programmable Logic Device, CPLD), the processor can also adopt a multi-core architecture.
- CPU central processing unit
- ASIC Application Specific Integrated Circuit
- FPGA Field-Programmable Gate Array
- CPLD Complex Programmable Logic Device
- the processor 802 is configured to execute any terminal access method related to the target relay terminal provided in the embodiments of the present disclosure according to the obtained executable instructions by calling the computer program stored in the memory 803 .
- the processor 802 and the memory 803 may also be arranged physically separately.
- the processor 802 is configured to read the computer program in the memory 803 and perform the following operations: receive the connection establishment request message sent by the terminal through the direct communication interface, the connection establishment request message carries the identity information of the terminal, and the identity information of the terminal It is used to indicate that the terminal accesses the target relay terminal as a remote terminal, or accesses the target relay terminal as a relay terminal.
- the processor 802 is further configured to perform the following operation: perform a target operation corresponding to the terminal's identity information according to the terminal's identity information.
- connection establishment request message is a PC5 connection establishment request message
- PC5 connection establishment request message includes PC5-S signaling and/or PC5-RRC signaling.
- connection establishment request message carries indication information, and the value of the indication information indicates that the terminal accesses the target relay terminal as a remote terminal, or, as a relay terminal, Access the target relay terminal.
- the indication information may be optionally carried in the connection establishment request message, and whether the indication information is carried indicates that the terminal accesses the relay terminal as a remote terminal, or accesses the target relay terminal as a relay terminal .
- performing the target operation corresponding to the identity information of the terminal includes: if it is determined that the terminal accesses the target relay terminal as a remote terminal, then directly The connection communication interface establishes a direct communication connection with the terminal.
- performing a target operation corresponding to the terminal's identity information according to the terminal's identity information includes:
- the terminal If it is determined that the terminal is accessing the target relay terminal as a relay terminal, establish a direct communication interface connection between the target relay terminal and the terminal, and send an indication message to the target network device, the target remote terminal and the previous hop relay At least one device in the terminal, and/or, establishes a direct communication interface connection between the target relay terminal and the terminal, and updates its own routing table;
- the instruction information is used to instruct the target network device, the target remote terminal or the last-hop relay terminal to update the corresponding routing table.
- the connection establishment request message also carries the relay capability indication information of the terminal, and/or, the terminal accesses the target relay terminal The relay working mode used after the terminal.
- the relay capability indication information includes at least one of the following: layer 2 relay L2 relay; layer 3 relay L3 relay; layer 2 terminal to network device relay L2 U2N relay; layer 2 terminal to Terminal relay L2 U2U relay; layer 3 terminal-to-network equipment relay L3 U2N relay; layer 3 terminal-to-terminal relay L3 U2U relay.
- the processor 802 is also configured to perform the following operations: according to the relay capability indication information of the terminal carried in the connection establishment request message, determine the relay working mode used by the terminal after accessing the target relay terminal .
- the processor 802 is further configured to perform the following operations: send a response message corresponding to the connection establishment request message to the terminal, where the response message carries indication information, and the indication information is used to instruct the terminal to access the target relay terminal The relay working mode used later.
- the relay working mode includes at least one of the following: layer 2 relay L2 relay; layer 3 relay L3 relay; layer 2 terminal-to-network device relay L2 U2N relay; layer 2 terminal-to-terminal Relay L2 U2U relay; layer 3 terminal-to-network equipment relay L3 U2N relay; layer 3 terminal-to-terminal relay L3 U2U relay.
- the above-mentioned relay terminal provided by the present disclosure can implement all the method steps implemented by the target relay terminal in the above-mentioned method embodiment, and can achieve the same technical effect.
- the same parts and beneficial effects as those of the method embodiment will be described in detail.
- FIG. 9 is a schematic structural diagram of a terminal provided by an embodiment of the present disclosure. As shown in FIG. 9 , the terminal includes: a transceiver 901 , a processor 902 and a memory 903 .
- Memory 903 used to store computer programs
- Transceiver 901 configured to send and receive data under the control of processor 902;
- the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by the processor 902 and various circuits of the memory represented by the memory 903 are linked together.
- the bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, etc., which are well known in the art and therefore will not be further described herein.
- the bus interface provides the interface.
- the transceiver 901 may be a plurality of elements, including a transmitter and a receiver, providing a unit for communicating with various other devices over transmission media, including wireless channels, wired channels, optical cables, and other transmission media.
- the processor 902 is responsible for managing the bus architecture and general processing, and the memory 903 can store data used by the processor 902 when performing operations.
- the processor 902 is responsible for managing the bus architecture and general processing, and the memory 903 can store data used by the processor 902 when performing operations.
- the processor 902 may be a central processing unit (central processing unit, CPU), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a field programmable gate array (Field-Programmable Gate Array, FPGA) or complex programmable logic device (Complex Programmable Logic Device, CPLD), the processor can also adopt a multi-core architecture.
- CPU central processing unit
- ASIC Application Specific Integrated Circuit
- FPGA Field-Programmable Gate Array
- CPLD Complex Programmable Logic Device
- the processor 902 is configured to execute any terminal access method related to the target relay terminal provided in the embodiments of the present disclosure according to the obtained executable instructions by calling the computer program stored in the memory 903 .
- the processor 902 and the memory 903 may also be arranged physically separately.
- the processor 902 is configured to read the computer program in the memory 903 and perform the following operations:
- connection establishment request message carries the identity information of the terminal, and the identity information of the terminal is used to indicate that the terminal accesses the target relay terminal as a remote terminal, or , to access the target relay terminal as a relay terminal.
- the processor 902 is further configured to perform the following operation: determine a target relay terminal according to the identity of the terminal.
- determining the target relay terminal according to the identity of the terminal includes: if the terminal accesses the target relay terminal as a remote terminal, the relay terminal that satisfies the first preset condition Select a relay terminal as the target relay terminal; or, if the terminal accesses the target relay terminal as a relay terminal, select N relay terminals among the relay terminals satisfying the second preset condition as Target relay terminal, N is an integer greater than or equal to 1.
- the second preset condition includes at least one of the following: the relay working mode supported by the terminal includes the relay working mode currently used by the target relay terminal; the direct communication between the terminal and the relay terminal The channel quality of the interface is higher than the preset threshold.
- connection establishment request message carries indication information, and the value of the indication information indicates that the terminal accesses the target relay terminal as a remote terminal, or, as a relay terminal, Access to the target relay terminal;
- connection establishment request message may optionally carry indication information, and whether to carry the indication information indicates that the terminal is to access the target relay terminal as a remote terminal, or to access the target relay terminal as a relay terminal terminal.
- the connection establishment request message when the terminal accesses the target relay terminal as a relay terminal, the connection establishment request message also carries the relay capability indication information of the terminal, and/or, the terminal accesses the target relay terminal The relay working mode used after relaying the terminal.
- the processor 902 is further configured to perform the following operations: receive a relay discovery message broadcast by the target relay terminal, where the relay discovery message carries the relay working mode of the target relay terminal; The relay working mode of the relay terminal determines the relay working mode used after the terminal accesses the target relay terminal.
- the processor 902 is further configured to perform the following operations: receive a response message corresponding to the connection establishment request message sent by the target relay terminal, where the response message carries indication information, and the indication information is used to instruct the terminal to access The relay working mode used after the target relays the terminal.
- the relay working mode includes at least one of the following: layer 2 relay L2 relay; layer 3 relay L3 relay; layer 2 terminal-to-network device relay L2 U2N relay; layer 2 terminal-to-terminal Relay L2 U2U relay; layer 3 terminal-to-network equipment relay L3 U2N relay; layer 3 terminal-to-terminal relay L3 U2U relay.
- the relay capability indication information includes at least one of the following: layer 2 relay L2 relay; layer 3 relay L3 relay; layer 2 terminal to network device relay L2 U2N relay; layer 2 terminal to Terminal relay L2 U2U relay; layer 3 terminal-to-network equipment relay L3 U2N relay; layer 3 terminal-to-terminal relay L3 U2U relay.
- the above-mentioned terminal provided by the present disclosure can implement all the method steps implemented by the terminal side in the above-mentioned method embodiments, and can achieve the same technical effect.
- the same parts and beneficial effects are described in detail.
- each functional unit in each embodiment of the present disclosure may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
- the above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.
- the above integrated units are realized in the form of software function units and sold or used as independent products, they can be stored in a processor-readable storage medium.
- the technical solution of the present disclosure is essentially or part of the contribution to the prior art, or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , including several instructions for enabling a computer device (which may be a personal computer, server, or network device, etc.) or a processor (processor) to execute all or part of the steps of the methods in various embodiments of the present disclosure.
- the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disc and other media that can store program codes. .
- an embodiment of the present disclosure provides a processor-readable storage medium, where a computer program is stored in the processor-readable storage medium, and the computer program is used to enable the processor to implement the target relay terminal in the above method embodiments. All the steps of the method are implemented and can achieve the same technical effect, so the parts and beneficial effects in this embodiment that are the same as those in the method embodiment will not be described in detail here.
- an embodiment of the present disclosure provides a processor-readable storage medium, where a computer program is stored in the processor-readable storage medium, and the computer program is used to enable the processor to implement all the functions implemented by the terminal side in the foregoing method embodiments.
- method steps, and can achieve the same technical effect, the same parts and beneficial effects in this embodiment as in the method embodiment will not be described in detail here.
- the processor-readable storage medium may be any available medium or data storage device that the processor can access, including but not limited to magnetic storage (such as floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.), optical storage (such as CD, DVD, BD, HVD, etc.), and semiconductor memory (such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state drive (SSD)), etc.
- magnetic storage such as floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.
- optical storage such as CD, DVD, BD, HVD, etc.
- semiconductor memory such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state drive (SSD)
- an embodiment of the present disclosure also provides a computer program product containing instructions, the computer program is stored in a storage medium, at least one processor can read the computer program from the storage medium, and at least one processor executes the
- the computer program can implement all the method steps implemented by the target relay terminal in the above method embodiment, and can achieve the same technical effect, so the parts and beneficial effects in this embodiment that are the same as those in the method embodiment will not be detailed here. .
- an embodiment of the present disclosure also provides a computer program product containing instructions, the computer program is stored in a storage medium, at least one processor can read the computer program from the storage medium, and at least one processor executes the computer program All the method steps implemented by the terminal in the above method embodiment can be implemented at the same time, and the same technical effect can be achieved, and the same parts and beneficial effects in this embodiment as in the method embodiment will not be described in detail here.
- An embodiment of the present disclosure also provides a communication system, including a target relay terminal and a terminal.
- the third target relay terminal can perform all the method steps performed by the target relay terminal side in the foregoing method embodiments, and can achieve the same technical effect.
- the terminal can perform all the method steps performed by the terminal side in the foregoing method embodiments, and can achieve the same technical effect. Parts and beneficial effects in this embodiment that are the same as those in the method embodiment will not be described in detail here.
- the embodiments of the present disclosure may be provided as methods, systems, or computer program products. Accordingly, the present disclosure can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, optical storage, etc.) having computer-usable program code embodied therein.
- each flow and/or block in the signaling interaction diagram and/or block diagram, and a combination of procedures and/or blocks in the signaling interaction diagram and/or block diagram can be implemented by computer-executable instructions.
- These computer-executable instructions can be provided to a general purpose computer, special purpose computer, embedded processor, or processor of other programmable data processing equipment to produce a machine, such that instructions executed by the processor of the computer or other programmable data processing equipment produce A device for realizing the functions specified in one or more procedures of the signaling interaction schematic diagram and/or one or more blocks of the block diagram.
- processor-executable instructions may also be stored in a processor-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, such that the instructions stored in the processor-readable memory produce a manufacturing product, the instruction device implements the functions specified in one or more procedures in the signaling interaction schematic diagram and/or one or more blocks in the block diagram.
- processor-executable instructions can also be loaded onto a computer or other programmable data processing device, causing a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented
- the executed instructions provide steps for realizing the functions specified in one or more procedures of the signaling interaction diagram and/or one or more blocks of the block diagram.
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Abstract
Description
Claims (39)
- 一种终端接入方法,其特征在于,应用于目标中继终端,包括:接收终端通过直接通信接口发送的连接建立请求消息,所述连接建立请求消息携带所述终端的身份标识信息,所述终端的身份标识信息用于指示所述终端是以远端终端的身份接入所述目标中继终端,或者,以中继终端的身份接入所述目标中继终端。
- 根据权利要求1所述的方法,其特征在于,还包括:根据所述终端的身份标识信息,执行与所述终端的身份标识信息对应的目标操作。
- 根据权利要求1所述的方法,其特征在于,所述连接建立请求消息为PC5连接建立请求消息,所述PC5连接建立请求消息包括PC5-S信令和/或PC5-RRC信令。
- 根据权利要求1所述的方法,其特征在于,在所述连接建立请求消息中携带指示信息,通过所述指示信息的取值来指示所述终端是以远端终端的身份接入所述目标中继终端,或者,以中继终端的身份接入所述目标中继终端;或者,在所述连接建立请求消息中可选的携带指示信息,通过是否携带所述指示信息来指示所述终端是以远端终端的身份接入所述中继终端,或者,以中继终端的身份接入所述目标中继终端。
- 根据权利要求2-4中任一项所述的方法,其特征在于,所述根据所述终端的身份标识信息,执行与所述终端的身份标识信息对应的目标操作,包括:若确定所述终端是以远端终端的身份接入所述目标中继终端,则建立与所述终端的直接通信接口连接;若确定所述终端是以中继终端的身份接入所述目标中继终端,则建立与所述终端的直接通信接口连接,并发送指示消息至目标网络设备、目标远端终端和上一跳中继终端中的至少一个设备,和/或,建立与所述终端的直接通信接口连接,并更新自身的路由表;其中,所述指示信息用于指示所述目标网络设备、所述目标远端终端或者所述上一跳中继终端更新对应的路由表。
- 根据权利要求1-4中任一项所述的方法,其特征在于,若所述终端是以中继终端的身份接入所述目标中继终端,所述连接建立请求消息中还携带所述终端的中继能力指示信息,和/或,所述终端接入所述目标中继终端后使用的中继工作模式。
- 根据权利要求6所述的方法,其特征在于,所述中继能力指示信息包括如下至少一种:层2中继L2 relay;层3中继L3 relay;层2终端到网络设备中继L2 U2N relay;层2终端到终端中继L2 U2U relay;层3终端到网络设备中继L3 U2N relay;层3终端到终端中继L3 U2U relay。
- 根据权利要求6所述的方法,其特征在于,还包括:根据连接建立请求消息中携带的所述终端的中继能力指示信息,确定所述终端接入所述目标中继终端后使用的中继工作模式。
- 根据权利要求8所述的方法,其特征在于,在确定所述终端接入所述目标中继终端后使用的中继工作模式之后,还包括:向所述终端发送所述连接建立请求消息对应的响应消息,所述响应消息中携带指示信息,所述指示信息用于指示所述终端接入所述目标中继终端后使用的中继工作模式。
- 根据权利要求6所述的接入方法,其特征在于,所述中继工作模式包括如下至少一种:层2中继L2 relay;层3中继L3 relay;层2终端到网络设备中继L2 U2N relay;层2终端到终端中继L2 U2U relay;层3终端到网络设备中继L3 U2N relay;层3终端到终端中继L3 U2U relay。
- 一种终端接入方法,其特征在于,应用于终端,包括:通过直接通信接口向目标中继终端发送连接建立请求消息,所述连接建立请求消息携带所述终端的身份标识信息,所述终端的身份标识信息用于指示所述终端是以远端终端的身份接入所述目标中继终端,或者,以中继终端的身份接入所述目标中继终端。
- 根据权利要求11所述的方法,其特征在于,在通过直接通信接口向目标中继终端发送连接建立请求消息之前,还包括:根据所述终端的身份,确定目标中继终端。
- 根据权利要求12所述的方法,其特征在于,所述根据所述终端的身份,确定目标中继终端,包括:若所述终端是以远端终端的身份接入目标中继终端,则在满足第一预设条件的中继终端中选择一个中继终端作为目标中继终端;或者,若所述终端是以中继终端的身份接入目标中继终端,则在满足第二预设条件的中继终端中选择N个中继终端为目标中继终端,N为大于等于1的整数。
- 根据权利要求13所述的方法,其特征在于,所述第二预设条件包括一下至少一项:所述终端支持的中继工作模式包含目标中继终端当前使用的中继工作模式;所述终端和中继终端之间的直接通信接口的信道质量高于预设门限。
- 根据权利要求11所述的方法,其特征在于,在所述连接建立请求消息中携带指示信息,通过所述指示信息的取值来指示所述终端是以远端终端的身份接入所述目标中继终端,或者,以中继终端的身份接入所述目标中继终端;或者,在所述连接建立请求消息中可选的携带指示信息,通过是否携带所述指示信息来指示所述终端是以远端终端的身份接入所述目标中继终端,或者,以中继终端的身份接入所述目标中继终端。
- 根据权利要求11-15中任一项所述的方法,其特征在于,当所述终端是以中继终端的身份接入所述目标中继终端时,所述连接建立请求消息中还携带有所述终端的中继能力指示信息,和/或,所述终端接入所述目标中继终端后使用的中继工作模式。
- 根据权利要求16所述的方法,其特征在于,还包括:接收所述目标中继终端广播的中继发现消息,所述中继发现消息中携带有所述目标中继终端的中继工作模式;根据所述目标中继终端的中继工作模式,确定所述终端接入所述目标中继终端后使用的中继工作模式。
- 根据权利要求11所述的方法,其特征在于,在确定所述终端接入所述目标中继终端后使用的 中继工作模式之后,还包括:接收所述目标中继终端发送的连接建立请求消息对应的响应消息,所述响应消息中携带指示信息,所述指示信息用于指示所述终端接入所述目标中继终端后使用的中继工作模式。
- 根据权利要求16所述的方法,其特征在于,所述中继工作模式包括以下至少一种:层2中继L2 relay;层3中继L3 relay;层2终端到网络设备中继L2 U2N relay;层2终端到终端中继L2 U2U relay;层3终端到网络设备中继L3 U2N relay;层3终端到终端中继L3 U2U relay。
- 根据权利要求16所述的方法,其特征在于,所述中继能力指示信息包括以下至少一种:层2中继L2 relay;层3中继L3 relay;层2终端到网络设备中继L2 U2N relay;层2终端到终端中继L2 U2U relay;层3终端到网络设备中继L3 U2N relay;层3终端到终端中继L3 U2U relay。
- 一种终端接入装置,其特征在于,应用于目标中继终端,包括:接收模块,用于接收终端通过直接通信接口发送的连接建立请求消息,所述连接建立请求消息携带所述终端的身份标识信息,所述终端的身份标识信息用于指示所述终端是以远端终端的身份接入所述目标中继终端,或者,以中继终端的身份接入所述目标中继终端。
- 一种终端接入装置,其特征在于,应用于终端,包括:发送模块,用于通过直接通信接口向目标中继终端发送连接建立请求消息,所述连接建立请求消息携带所述终端的身份标识信息,所述终端的身份标识信息用于指示所述终端是以远端终端的身份接入所述目标中继终端,或者,以中继终端的身份接入所述目标中继终端。
- 一种目标中继终端,其特征在于,包括:存储器,用于存储计算机程序;收发机,用于在处理器的控制下收发数据;处理器,用于读取所述存储器中的计算机程序并执行以下操作:接收终端通过直接通信接口发送的连接建立请求消息,所述连接建立请求消息携带所述终端的身份标识信息,所述终端的身份标识信息用于指示所述终端是以远端终端的身份接入所述目标中继终端,或者,以中继终端的身份接入所述目标中继终端。
- 根据权利要求23所述的目标中继终端,其特征在于,所述处理器还用于执行如下操作:根据所述终端的身份标识信息,执行与所述终端的身份标识信息对应的目标操作。
- 根据权利要求23所述的目标中继终端,其特征在于,所述连接建立请求消息为PC5连接建立请求消息,所述PC5连接建立请求消息包括PC5-S信令和/或PC5-RRC信令。
- 根据权利要求23所述的目标中继终端,其特征在于,在所述连接建立请求消息中携带指示信息,通过所述指示信息的取值来指示所述终端是以远端终端的身份接入所述目标中继终端,或者,以中继终端的身份接入所述目标中继终端;或者,在所述连接建立请求消息中可选的携带指示信息,通过是否携带所述指示信息来指示所述终端是以远端终端的身份接入所述中继终端,或者,以中继终端的身份接入所述目标中继终端。
- 根据权利要求23-26中任一项所述的目标中继终端,其特征在于,所述根据所述终端的身份标识信息,执行与所述终端的身份标识信息对应的目标操作,包括:若确定所述终端是以远端终端的身份接入所述目标中继终端,则通过直连通信接口与所述终端建立直连通信连接;若确定所述终端是以中继终端的身份接入所述目标中继终端,则建立与所述终端的直接通信接口连接,并发送指示消息至目标网络设备、目标远端终端和上一跳中继终端中的至少一个设备,和/或,建立与所述终端的直接通信接口连接,并更新自身的路由表;其中,所述指示信息用于指示所述目标网络设备、所述目标远端终端或者所述上一跳中继终端更新对应的路由表。
- 根据权利要求23-26中任一项所述的目标中继终端,其特征在于,若所述终端是以中继终端的身份接入所述目标中继终端,所述连接建立请求消息中还携带所述终端的中继能力指示信息,和/或,所述终端接入所述目标中继终端后使用的中继工作模式。
- 根据权利要求28所述的目标中继终端,其特征在于,所述处理器还用于执行如下操作:根据连接建立请求消息中携带的所述终端的中继能力指示信息,确定所述终端接入所述目标中继终端后使用的中继工作模式。
- 一种终端,其特征在于,包括:存储器,用于存储计算机程序;收发机,用于在处理器的控制下收发数据;处理器,用于读取所述存储器中的计算机程序并执行以下操作:通过直接通信接口向目标中继终端发送连接建立请求消息,所述连接建立请求消息携带所述终端的身份标识信息,所述终端的身份标识信息用于指示所述终端是以远端终端的身份接入所述目标中继终端,或者,以中继终端的身份接入所述目标中继终端。
- 根据权利要求30所述的终端,其特征在于,所述处理器还用于执行如下操作:根据所述终端的身份,确定目标中继终端。
- 根据权利要求31所述的终端,其特征在于,所述根据所述终端的身份,确定目标中继终端,包括:若所述终端是以远端终端的身份接入目标中继终端,则在满足第一预设条件的中继终端中选择一个中继终端作为目标中继终端;或者,若所述终端是以中继终端的身份接入目标中继终端,则在满足第二预设条件的中继终端中选择N个中继终端为目标中继终端,N为大于等于1的整数。
- 根据权利要求32所述的终端,其特征在于,所述第二预设条件包括一下至少一项:所述终端支持的中继工作模式包含目标中继终端当前使用的中继工作模式;所述终端和中继终端之间的直接通信接口的信道质量高于预设门限。
- 根据权利要求30所述的终端,其特征在于,在所述连接建立请求消息中携带指示信息,通过所述指示信息的取值来指示所述终端是以远端终端的身份接入所述目标中继终端,或者,以中继终端的身份接入所述目标中继终端;或者,在所述连接建立请求消息中可选的携带指示信息,通过是否携带所述指示信息来指示所述 终端是以远端终端的身份接入所述目标中继终端,或者,以中继终端的身份接入所述目标中继终端。
- 根据权利要求30-34中任一项所述的终端,其特征在于,当所述终端是以中继终端的身份接入所述目标中继终端时,所述连接建立请求消息中还携带有所述终端的中继能力指示信息,和/或,所述终端接入所述目标中继终端后使用的中继工作模式。
- 根据权利要求35所述的终端,其特征在于,所述处理器还用于执行以下操作:接收所述目标中继终端广播的中继发现消息,所述中继发现消息中携带有所述目标中继终端的中继工作模式;根据所述目标中继终端的中继工作模式,确定所述终端接入所述目标中继终端后使用的中继工作模式。
- 根据权利要求35所述的终端,其特征在于,所述处理器还用于执行以下操作:接收所述目标中继终端发送的连接建立请求消息对应的响应消息,所述响应消息中携带指示信息,所述指示信息用于指示所述终端接入所述目标中继终端后使用的中继工作模式。
- 一种处理器可读存储介质,其特征在于,所述处理器可读存储介质存储有计算机程序,所述计算机程序用于使处理器执行权利要求1至20中任一项所述的终端接入方法。
- 一种计算机程序产品,其特征在于,包括:计算机程序,所述计算机程序被处理器执行时实现如权利要求1至20中任一项所述的终端接入方法。
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