WO2022127769A1 - 中继通信方法及装置 - Google Patents
中继通信方法及装置 Download PDFInfo
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- WO2022127769A1 WO2022127769A1 PCT/CN2021/137776 CN2021137776W WO2022127769A1 WO 2022127769 A1 WO2022127769 A1 WO 2022127769A1 CN 2021137776 W CN2021137776 W CN 2021137776W WO 2022127769 A1 WO2022127769 A1 WO 2022127769A1
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- 238000000034 method Methods 0.000 title claims abstract description 106
- 238000004891 communication Methods 0.000 title claims abstract description 85
- 238000004590 computer program Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 16
- 230000006870 function Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
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- 241000699670 Mus sp. Species 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
- H04W76/14—Direct-mode setup
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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
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
- H04W60/04—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration using triggered events
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
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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
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
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- H—ELECTRICITY
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- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
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- 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 belongs to the technical field of wireless communication, and in particular relates to a relay communication method and device.
- the remote terminal (remote User Equipment, remote UE) establishes a relay link through the relay terminal (relay User Equipment, relay UE), due to mobility (but the relay UE and the remote UE still maintain the relay connection link) , the remote UE may move out of the configured registration area or the radio access network notification area, but because the remote UE may be out of coverage of the serving cell, it cannot directly perceive (or obtain) the current serving cell information, so it cannot judge the current Whether it has moved out of the configured registration area or radio access network notification area, and cannot initiate a mobile registration update or an access network notification area (RAN-based Notification Area, RNA) update process in time to obtain the latest registration area or RNA.
- RAN-based Notification Area, RNA access network notification area
- the purpose of the embodiments of the present application is to provide a relay communication method and device, which can solve the problem that the remote terminal cannot initiate mobile registration update or RNA update in time because it cannot judge whether it has moved out of the configured registration area or wireless access network notification area. process issues.
- a relay communication method executed by a first terminal, and the method includes:
- a relay communication method executed by a second terminal, and the method includes:
- Receive first information sent by a first terminal where the first information is used to indicate information about a serving cell of the first terminal, or used to instruct the second terminal to perform mobile registration update or radio access network notification regional update;
- a relay communication device including:
- a sending module configured to send first information to the second terminal, where the first information is used to indicate the relevant information of the serving cell of the first terminal, or used to instruct the second terminal to perform mobile registration update or wireless
- the access network notifies area updates.
- a relay communication device including:
- a receiving module configured to receive first information sent by a first terminal, where the first information is used to indicate information about a serving cell of the first terminal, or used to instruct the second terminal to perform mobile registration update or Radio access network notification area update;
- a judgment module configured to judge whether to perform mobile registration update or wireless access network notification area update according to the first information.
- a terminal in a fifth aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, when the program or instruction is executed by the processor.
- a readable storage medium on which a program or an instruction is stored, and when the program or instruction is executed by a processor, the steps of the method as described in the first aspect or the second aspect are implemented .
- a chip in a seventh aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a network-side device program or instruction to implement the first aspect or the method described in the second aspect.
- a computer program product is provided, the computer program product is stored in a non-transitory storage medium, the computer program product is executed by at least one processor to implement the first aspect or the second aspect. Methods.
- a communication device configured to perform the method of the first aspect or the second aspect.
- the first terminal sends first information to the second terminal, where the first information is used to indicate information about the serving cell of the first terminal, or directly instruct the second terminal to perform mobile registration update or wireless access Network access notification area update, so that the second terminal can judge whether to perform mobile registration update or radio access network notification area update according to the first information, so that even if the second terminal is not within the coverage of the serving cell, it can also initiate mobile registration update in time Or the radio access network notifies the area update process.
- the first information is used to indicate information about the serving cell of the first terminal, or directly instruct the second terminal to perform mobile registration update or wireless access Network access notification area update, so that the second terminal can judge whether to perform mobile registration update or radio access network notification area update according to the first information, so that even if the second terminal is not within the coverage of the serving cell, it can also initiate mobile registration update in time Or the radio access network notifies the area update process.
- FIG. 1 is a block diagram of a wireless communication system to which an embodiment of the application can be applied;
- FIG. 2 is a schematic structural diagram of a relay communication system in the related art
- FIG. 3 is a schematic structural diagram of a control plane protocol stack of a relay terminal in the related art
- FIG. 4 is a schematic structural diagram of a user plane protocol stack of a relay terminal in the related art.
- FIG. 5 is a schematic flowchart of a relay communication method performed by a first terminal according to an embodiment of the present application
- FIG. 6 is a schematic flowchart of a relay communication method performed by a second terminal according to an embodiment of the present application
- FIG. 7 is a schematic diagram of an interaction flow of a relay communication method according to an embodiment of the present application.
- FIG. 8 is a schematic diagram of an interaction flow of a relay communication method according to another embodiment of the present application.
- FIG. 9 is a schematic diagram of an interaction flow of a relay communication method according to another embodiment of the present application.
- FIG. 10 is a schematic structural diagram of a terminal according to an embodiment of the application.
- FIG. 11 is a schematic structural diagram of a terminal according to another embodiment of the present application.
- FIG. 12 is a schematic structural diagram of a terminal according to another embodiment of the present application.
- FIG. 13 is a schematic diagram of a hardware structure of a terminal according to an embodiment of the present application.
- first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and "first”, “second” distinguishes Usually it is a class, and the number of objects is not limited.
- the first object may be one or multiple.
- “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
- LTE Long Term Evolution
- LTE-Advanced LTE-Advanced
- LTE-A Long Term Evolution-Advanced
- CDMA Code Division Multiple Access
- TDMA Time Division Multiple Access
- FDMA Frequency Division Multiple Access
- OFDMA Orthogonal Frequency Division Multiple Access
- SC-FDMA Single-carrier Frequency-Division Multiple Access
- system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
- NR New Radio
- the following description describes a New Radio (NR) system for example purposes, and NR terminology is used in most of the description below, although these techniques are also applicable to applications other than NR system applications, such as 6th generation ( 6th Generation , 6G) communication system.
- 6th generation 6th Generation
- FIG. 1 shows a block diagram of a wireless communication system to which the embodiments of the present application can be applied.
- the wireless communication system includes a terminal 11 and a network-side device 12 .
- the terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital computer Assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (VUE), pedestrian terminal (PUE) and other terminal-side devices, wearable devices include: bracelets, headphones, glasses, etc.
- PDA Personal Digital Assistant
- the network side device 12 may be a base station or a core network, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, Send Transmitting Receiving Point (TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms.
- the base station in the NR system is taken as an example, but the specific type of the base station is not limited.
- FIG. 2 is a schematic structural diagram of a relay communication system in the related art.
- the remote terminal and the relay terminal establish a relay connection through a direct communication interface (PC5 interface), and the relay terminal is connected to the access network through a cellular network communication interface (Uu interface).
- PC5 interface direct communication interface
- Uu interface cellular network communication interface
- FIG. 3 is a schematic structural diagram of a control plane protocol stack of a relay terminal in the related art.
- FIG. 4 is a schematic structural diagram of a user plane protocol stack of a relay terminal in the related art.
- connection status in Layer 2 relay communication is as follows:
- the relay terminal can only relay data or signaling for the remote terminal in the connection management connected state (CM-CONNECTED)/radio resource control connected state (RRC Connected);
- the relay terminal If the relay terminal receives a PC5 connection establishment request for relay communication from the remote terminal in the connection management idle state (CM_IDLE), the relay terminal should trigger the service request process to enter the CM-CONNECTED state;
- the relay terminal should also be in the CM-CONNECTED state
- All remote terminals connected to the relay terminal enter the CM-IDLE state, then the relay terminal may enter the CM-IDLE state;
- the relay terminal and the remote terminal keep the PC5 connection.
- the remote terminal and the relay terminal belong to the same registered public land mobile network (Public Land Mobile Network, PLMN) or equivalent PLMN (Equivalent Public Land Mobile Network, ePLMN).
- PLMN Public Land Mobile Network
- ePLMN Equivalent Public Land Mobile Network
- the network will send a registration area to the UE.
- the UE should initiate a mobile registration update process, and the network side allocates a new registration area to the UE.
- an embodiment of the present application provides a relay communication method, which is executed by a first terminal, and the method includes:
- Step 51 Send first information to the second terminal, where the first information is used to indicate the relevant information of the serving cell of the first terminal, or is used to instruct the second terminal to perform mobile registration update or wireless access Network notification area updates.
- the first terminal sends first information to the second terminal, where the first information is used to indicate information about the serving cell of the first terminal, or directly instruct the second terminal to perform mobile registration update or wireless access network notification area update, so that the second terminal can judge whether to perform mobile registration update or radio access network notification area update according to the first information, so that even if the second terminal is not within the coverage of the serving cell, it can timely initiate mobile registration update or
- the radio access network informs the area update process.
- the relevant information of the serving cell of the first terminal includes at least one of the following: a cell identifier (ID), a PLMN identifier, a tracking area code (Tracking Area Code, TAC), and a wireless access RAN notification area code (RNAC).
- ID a cell identifier
- PLMN identifier a PLMN identifier
- TAC Tracking Area Code
- TAC wireless access RAN notification area code
- the method further includes:
- Dedicated system information sent by the network side is received, where the dedicated system information includes information about the serving cell of the first terminal.
- the network side is the serving cell of the first terminal, and the dedicated system information is generated and delivered by the serving cell of the first terminal.
- the above-mentioned dedicated system information is generated by the target cell to be handed over by the first terminal, but forwarded to the first terminal by the current serving cell of the first terminal.
- the dedicated system information is carried through a handover command or radio resource control (Radio Resource Control, RRC) reconfiguration information.
- RRC Radio Resource Control
- the handover signaling is a system information block (System Information Block, SIB) of the target cell.
- the method further includes:
- the content of the first information is determined.
- the state information of the second terminal is that the second terminal is in a connection management CM idle (IDLE) state, the second terminal is in a CM connected state and is in an RRC inactive (inactive) state, or the second terminal In the CM connection state.
- IDLE connection management CM idle
- the second terminal is in a CM connected state and is in an RRC inactive (inactive) state
- the second terminal In the CM connection state.
- the content of the first information at least includes the TAC, and may also include the PLMN identifier.
- the content of the first information at least includes the cell identifier, and may also track the area code, PLMN identifier and/or RNAC, etc.
- the content of the first information includes at least a tracking area code, and may also include a cell identifier, a PLMN identifier, and/or RNAC, and the like.
- the content of the first information at least includes the tracking area code, and may also include the PLMN identifier.
- the content of the first information includes at least the cell identifier, and may also include the tracking area code, PLMN identifier and/or RNAC, etc.
- the content of the first information includes at least a tracking area code, and may also include a cell identity, a PLMN identity, and/or RNAC, and the like.
- the method further includes: receiving third information, where the third information includes a registration area and/or a wireless access network of the second terminal Configuration information for the notification area.
- receiving the third information includes: receiving the third information sent by the second terminal, an access network (RAN), or a core network.
- RAN access network
- the core network may be, for example, an access and mobility management function (Access and Mobility Management Function, AMF). Of course, other core network devices are not excluded.
- AMF Access and Mobility Management Function
- the method further includes: determining whether to send the first information according to a matching situation between the third information and the relevant information of the serving cell of the first terminal. If the third information does not match the relevant information of the serving cell of the first terminal, it means that the first terminal has left the registration area and/or the radio access network notification area, and therefore needs to send the first terminal to the second terminal. information, so that the second terminal can initiate a mobile registration update or a radio access network notification area update in time.
- determining whether to send the first information includes:
- the registration area of the second terminal in the third information does not include at least one of the PLMN identifier and the tracking area code in the relevant information about the serving cell of the first terminal, determine to send the first information;
- radio access network notification area of the second terminal in the third information does not include the cell identifier, PLMN identifier, tracking area code and radio access network notification area in the relevant information about the serving cell of the first terminal.
- the information of the registration area includes: PLMN and tracking area code.
- the information in the radio access network notification area includes one of the following:
- PLMN Tracking Area Code
- Radio Access Network Notification Area Code
- sending the first information to the second terminal includes: after the discovery phase, the connection establishment phase, or the connection establishment with the second terminal is completed, sending the first information to the second terminal. a message.
- the first terminal is a relay terminal
- the second terminal is a remote terminal
- an embodiment of the present application further provides a relay communication method, which is executed by a second terminal, and the method includes:
- Step 61 Receive the first information sent by the first terminal, where the first information is used to indicate the relevant information of the serving cell of the first terminal, or is used to instruct the second terminal to perform mobile registration update or wireless access.
- Network access notification area update
- Step 62 Determine whether to perform mobile registration update or radio access network notification area update according to the first information.
- the second terminal can determine whether to perform mobile registration update or radio access network notification area update according to the first information sent by the first terminal, so that even if the second terminal is not within the coverage of the serving cell, it can timely A mobile registration update or radio access network notification area update procedure is initiated.
- the relevant information of the serving cell of the first terminal includes at least one of the following: a cell identifier, a PLMN identifier, a tracking area code, and a radio access network notification area code.
- determining whether to perform mobile registration update or radio access network notification area update according to the first information includes:
- the radio access network notification area of the terminal is the same as the second
- the radio access network notification area of the terminal is different, and the radio access network notification area update is performed;
- the method further includes: sending second information to the first terminal, where the second information includes state information of the second terminal.
- the state information of the second terminal is that the second terminal is in a CM idle state, the second terminal is in a CM connected state and is in an RRC inactive state, or the second terminal is in a CM connected state.
- the method further includes: sending third information to the first terminal, where the third information includes a registration area and/or a radio access network notification area of the second terminal configuration information.
- the first terminal is a relay terminal
- the second terminal is a remote terminal
- Embodiment 1 of the present invention when there is a PC5 connection, the first terminal sends the first information to the second terminal.
- the relay communication method includes:
- Step 0 The remote terminal establishes a layer 2 relay link through the relay terminal, and the remote terminal and the relay terminal maintain a relay connection.
- Step 1 The relay terminal sends first information to the remote terminal, where the first information includes relevant information of the serving cell of the first terminal, and the relevant information of the serving cell of the first terminal includes at least one of the following: Cell ID, Public Land Mobile Network PLMN ID, Tracking Area Code and Radio Access Network Notification Area Code.
- the first information is content in dedicated system information
- the dedicated system information may be sent to the relay terminal by the access network through a handover command or an RRC reconfiguration message.
- Step 2 The remote terminal matches the registration area or RAN notification area configured by itself according to the first information sent by the relay terminal, and determines whether to perform mobile registration update or radio access network notification area update.
- Step 3a If the TAC in the first information is not included in the RNA configured by the remote terminal, the remote terminal performs a mobile registration update process.
- Step 3b If the RNAC in the first information is not included in the RNA configured by the remote terminal, the remote terminal performs the RAN notification area update process.
- Embodiment 2 of the present invention Before executing Embodiment 1, the remote terminal provides second information to the relay terminal, and the relay terminal determines the content of the first information sent to the remote terminal based on the second information.
- the relay communication method includes:
- Step 0 The remote terminal establishes a layer 2 relay link through the relay terminal, and the remote terminal and the relay terminal maintain a relay connection.
- Step 1 The remote terminal sends second information to the relay terminal, the second information includes status information of the remote terminal, and the status information of the second terminal is that the second terminal is in the CM idle state, the second terminal in a CM connected state and in an RRC inactive state or the second terminal is in a CM connected state.
- Step 2 After receiving the second information, the relay terminal determines the content of the first information, including one of the following:
- the content of the first information at least includes the TAC, and may also include the PLMN identifier.
- the content of the first information at least includes the cell identifier, and may also track the area code, PLMN identifier and/or RNAC, etc.
- the content of the first information at least includes a tracking area code, and may also include a cell identifier, a PLMN identifier, and/or RNAC, and the like.
- Step 3 After determining the content of the first information, the relay terminal sends the first information to the remote terminal.
- Embodiment 3 of the present invention before step 1 of Embodiment 1 is performed, the remote terminal or the access network or the AMF sends third information to the relay terminal, and the relay terminal determines whether to send the third information to the remote terminal segment based on the third information a message.
- the relay communication method includes:
- Step 0 The remote terminal establishes a layer 2 relay link through the relay terminal, and the remote terminal and the relay terminal maintain a relay connection.
- Step 1 The remote terminal or the access network or the AMF sends third information to the relay terminal, where the third information includes the configuration information of the registration area and/or the radio access network notification area of the second terminal.
- Step 2 The relay terminal determines whether to send the first information according to the matching situation of the third information and the relevant information of the serving cell of the first terminal, where the first information is used to indicate the first terminal The relevant information of the serving cell, or used to instruct the second terminal to perform a mobile registration update or a radio access network notification area update.
- the registration area of the second terminal in the third information does not include at least one of the PLMN identifier and the tracking area code in the relevant information about the serving cell of the first terminal, determine to send the first information;
- radio access network notification area of the second terminal in the third information does not include the cell identifier, PLMN identifier, tracking area code and radio access network notification area in the relevant information about the serving cell of the first terminal.
- the execution body may be a relay communication device, or a control module in the relay communication device for executing the relay communication method.
- the relay communication device provided by the embodiment of the present application is described by taking the relay communication device executing the relay communication method as an example.
- an embodiment of the present application further provides a relay communication apparatus 100, including:
- the sending module 101 is configured to send first information to a second terminal, where the first information is used to indicate the relevant information of the serving cell of the first terminal, or is used to instruct the second terminal to perform a mobile registration update or Radio access network notification area update.
- the first information is sent to the second terminal, where the first information is used to indicate information about the serving cell of the first terminal, or directly instruct the second terminal to perform mobile registration update or radio access network notification area update, so that the second terminal can judge whether to perform mobile registration update or radio access network notification area update according to the first information, so that even if the second terminal is not within the coverage of the serving cell, it can initiate mobile registration update or radio access in time Network notification area update process.
- the relevant information of the serving cell of the first terminal includes at least one of the following: a cell identity, a PLMN identity, a tracking area code, and a radio access network notification area code.
- the relay communication apparatus 100 further includes:
- the first receiving module is configured to receive the dedicated system information sent by the network side, where the dedicated system information includes relevant information of the serving cell of the first terminal.
- the dedicated system information is carried through a handover command or RRC reconfiguration information.
- the relay communication apparatus 100 further includes:
- a second receiving module configured to receive second information sent by the second terminal, where the second information includes state information of the second terminal;
- a determination module configured to determine the content of the first information according to the second information.
- the state information of the second terminal is that the second terminal is in a connection management CM idle state, the second terminal is in a CM connected state and is in an RRC inactive state, or the second terminal is in a CM connected state.
- the relay communication apparatus 100 further includes:
- a third receiving module configured to receive third information, where the third information includes configuration information of the registration area and/or the radio access network notification area of the second terminal.
- the third receiving module is configured to receive the third information sent by the second terminal, the access network or the core network.
- the relay communication apparatus 100 further includes:
- a judgment module configured to determine whether to send the first information according to the matching situation of the third information and the relevant information of the serving cell of the first terminal.
- the judgment module is configured to execute one of the following:
- the registration area of the second terminal in the third information does not include at least one of the PLMN identifier and the tracking area code in the relevant information about the serving cell of the first terminal, determine to send the first information;
- radio access network notification area of the second terminal in the third information does not include the cell identifier, PLMN identifier, tracking area code and radio access network notification area in the relevant information about the serving cell of the first terminal.
- the sending module 101 is configured to send the first information to the second terminal after the discovery phase, the connection establishment phase or the connection establishment with the second terminal is completed.
- the relay communication device in this embodiment of the present application may be a device, or may be a component, an integrated circuit, or a chip in a terminal.
- the device may be a mobile terminal or a non-mobile terminal.
- the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
- the relay communication device in this embodiment of the present application may be a device having an operating system.
- the operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
- the relay communication apparatus provided in the embodiment of the present application can implement each process implemented by the method embodiment in FIG. 5 , and achieve the same technical effect. To avoid repetition, details are not repeated here.
- an embodiment of the present application further provides a relay communication device 110, including:
- a receiving module 111 configured to receive first information sent by a first terminal, where the first information is used to indicate information about a serving cell of the first terminal, or used to instruct the second terminal to perform mobile registration update Or the radio access network notifies the area update;
- the judgment module 112 is configured to judge whether to perform mobile registration update or wireless access network notification area update according to the first information.
- the update or the radio access network informs the area update process.
- the relevant information of the serving cell of the first terminal includes at least one of the following: a cell identity, a PLMN identity, a tracking area code, and a radio access network notification area code.
- the judgment module 112 is configured to execute one of the following:
- the radio access network notification area of the terminal is the same as the second
- the radio access network notification area of the terminal is different, and the radio access network notification area update is performed;
- the relay communication terminal 110 further includes:
- a first sending module configured to send second information to the first terminal, where the second information includes state information of the second terminal.
- the state information of the second terminal is that the second terminal is in a CM idle state, the second terminal is in a CM connected state and is in an RRC inactive state, or the second terminal is in a CM connected state.
- the relay communication terminal 110 further includes:
- a second sending module configured to send third information to the first terminal, where the third information includes configuration information of a registration area and/or a radio access network notification area of the second terminal.
- the relay communication device in this embodiment of the present application may be a device, or may be a component, an integrated circuit, or a chip in a terminal.
- the device may be a mobile terminal or a non-mobile terminal.
- the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
- the relay communication device in this embodiment of the present application may be a device having an operating system.
- the operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
- the relay communication apparatus provided in the embodiment of the present application can implement each process implemented by the method embodiment in FIG. 6 , and achieve the same technical effect. To avoid repetition, details are not repeated here.
- an embodiment of the present application further provides a terminal 120, including a processor 121, a memory 122, a program or instruction stored in the memory 122 and executable on the processor 121, the program or instruction being When executed, the processor 121 implements each process of the above-mentioned embodiments of the relay communication method, and can achieve the same technical effect. To avoid repetition, details are not repeated here.
- FIG. 13 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
- the terminal 130 includes but is not limited to: a radio frequency unit 131, a network module 132, an audio output unit 133, an input unit 134, a sensor 135, a display unit 136, a user input unit 137, an interface unit 138, a memory 139, and a processor 1310 and other components .
- the terminal 130 may also include a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to the processor 1310 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions.
- a power source such as a battery
- the terminal structure shown in FIG. 13 does not constitute a limitation on the terminal, and the terminal may include more or less components than shown, or combine some components, or arrange different components, which will not be repeated here.
- the input unit 134 may include a graphics processor (Graphics Processing Unit, GPU) 1341 and a microphone 1342. Such as camera) to obtain still pictures or video image data for processing.
- the display unit 136 may include a display panel 1361, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
- the user input unit 137 includes a touch panel 1371 and other input devices 1372 .
- the touch panel 1371 is also called a touch screen.
- the touch panel 1371 may include two parts, a touch detection device and a touch controller.
- Other input devices 1372 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be described herein again.
- the radio frequency unit 131 receives the downlink data from the network side device, and then processes it to the processor 1310; in addition, sends the uplink data to the network side device.
- the radio frequency unit 131 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
- Memory 139 may be used to store software programs or instructions as well as various data.
- the memory 139 may mainly include a stored program or instruction area and a storage data area, wherein the stored program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like.
- the memory 139 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
- ROM Read-Only Memory
- PROM programmable read-only memory
- PROM erasable programmable read-only memory
- Erasable PROM Erasable PROM
- EPROM electrically erasable programmable read-only memory
- EEPROM electrically erasable programmable read-only memory
- flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
- the processor 1310 may include one or more processing units; optionally, the processor 1310 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, application programs or instructions, etc., Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 1310.
- the first terminal As the first terminal:
- the radio frequency unit 131 is configured to send first information to the second terminal, where the first information is used to indicate the relevant information of the serving cell of the first terminal, or is used to instruct the second terminal to perform mobile registration update or Radio access network notification area update.
- the first terminal sends first information to the second terminal, where the first information is used to indicate information about the serving cell of the first terminal, or directly instruct the second terminal to perform mobile registration update or wireless access network notification area update, so that the second terminal can judge whether to perform mobile registration update or radio access network notification area update according to the first information, so that even if the second terminal is not within the coverage of the serving cell, it can timely initiate mobile registration update or
- the radio access network informs the area update process.
- the relevant information of the serving cell of the first terminal includes at least one of the following: a cell identity, a public land mobile network PLMN identity, a tracking area code, and a radio access network notification area code.
- the radio frequency unit 131 is further configured to receive dedicated system information sent by the network side, where the dedicated system information includes information about the serving cell of the first terminal.
- the dedicated system information is carried through a handover command or RRC reconfiguration information.
- the radio frequency unit 131 is further configured to receive second information sent by the second terminal, where the second information includes status information of the second terminal; and determine the status of the first information according to the second information. content.
- the state information of the second terminal is that the second terminal is in a connection management CM idle state, the second terminal is in a CM connected state and is in an RRC inactive state, or the second terminal is in a CM connected state.
- the radio frequency unit 131 is further configured to receive third information, where the third information includes configuration information of the registration area and/or the wireless access network notification area of the second terminal.
- the radio frequency unit 131 is further configured to receive the third information sent by the second terminal, the access network or the core network.
- the processor 1310 is further configured to determine whether to send the first information according to the matching situation of the third information and the relevant information of the serving cell of the first terminal.
- the processor 1310 is further configured to, if the registration area of the second terminal in the third information does not include the PLMN identifier and tracking area code in the relevant information about the serving cell of the first terminal at least one item, determine to send the first information;
- radio access network notification area of the second terminal in the third information does not include the cell identifier, PLMN identifier, tracking area code and radio access network notification area in the relevant information about the serving cell of the first terminal.
- the processor 1310 is further configured to send the first information to the second terminal after the discovery phase, the connection establishment phase or the connection establishment with the second terminal is completed.
- the radio frequency unit 131 is configured to receive first information sent by the first terminal, where the first information is used to indicate the relevant information of the serving cell of the first terminal, or used to instruct the second terminal to perform mobile registration update Or the radio access network notifies the area update;
- the processor 1310 is configured to determine whether to perform mobile registration update or radio access network notification area update according to the first information.
- the relevant information of the serving cell of the first terminal includes at least one of the following: a cell identity, a PLMN identity, a tracking area code, and a radio access network notification area code.
- the processor 1310 is configured to register with the second terminal if at least one of the PLMN identifier and the tracking area code in the relevant information of the serving cell of the first terminal indicated by the first information Different regions, perform mobile registration update;
- the radio access network notification area of the terminal is the same as the second
- the radio access network notification area of the terminal is different, and the radio access network notification area update is performed;
- the radio frequency unit 131 is configured to send second information to the first terminal, where the second information includes status information of the second terminal.
- the state information of the second terminal is that the second terminal is in a CM idle state, the second terminal is in a CM connected state and is in an RRC inactive state, or the second terminal is in a CM connected state.
- the radio frequency unit 131 is configured to send third information to the first terminal, where the third information includes configuration information of a registration area and/or a radio access network notification area of the second terminal.
- the embodiments of the present application further provide a readable storage medium, the readable storage medium may be non-volatile or volatile, and a program or an instruction is stored on the readable storage medium, and the program or instruction is stored in the readable storage medium.
- the processor executes, each process of the above-mentioned embodiment of the relay communication method is implemented, and the same technical effect can be achieved. In order to avoid repetition, details are not repeated here.
- the processor is the processor in the terminal described in the foregoing embodiment.
- the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
- An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used for running network-side device programs or instructions to implement the above-mentioned relay communication
- the chip includes a processor and a communication interface
- the communication interface is coupled to the processor
- the processor is used for running network-side device programs or instructions to implement the above-mentioned relay communication
- the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.
- An embodiment of the present application further provides a computer program product, wherein the computer program product is stored in a non-transitory readable storage medium, and the computer program product is executed by at least one processor to implement the above-mentioned relay communication
- the computer program product is stored in a non-transitory readable storage medium, and the computer program product is executed by at least one processor to implement the above-mentioned relay communication
- An embodiment of the present application further provides a program product, where the program product is stored in a non-volatile storage medium, the program product is executed by at least one processor to implement each process of the above-mentioned embodiments of the relay communication method, and The same technical effect can be achieved, and in order to avoid repetition, details are not repeated here.
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Abstract
Description
Claims (30)
- 一种中继通信方法,由第一终端执行,所述方法包括:向第二终端发送第一信息,所述第一信息用于指示所述第一终端的服务小区的相关信息,或者,用于指示所述第二终端执行移动注册更新或者无线接入网通知区域更新。
- 根据权利要求1所述的方法,其中,所述第一终端的服务小区的相关信息包括以下至少一项:小区标识、公共陆地移动网PLMN标识、跟踪区域码和无线接入网通知区域码。
- 根据权利要求1所述的方法,其中,向所述第二终端发送第一信息之前还包括:接收网络侧发送的专用系统信息,所述专用系统信息包含所述第一终端的服务小区的相关信息。
- 根据权利要求3所述的方法,其中,所述专用系统信息通过切换命令或无线资源控制RRC重配置信息携带。
- 根据权利要求1所述的方法,其中,向所述第二终端发送第一信息之前还包括:接收所述第二终端发送的第二信息,所述第二信息包含所述第二终端的状态信息;根据所述第二信息,确定所述第一信息的内容。
- 根据权利要求5所述的方法,其中,所述第二终端的状态信息为第二终端处于连接管理CM空闲态、所述第二终端处于CM连接态且处于RRC非激活态或所述第二终端处于CM连接态。
- 根据权利要求1所述的方法,其中,向所述第二终端发送第一信息之前还包括:接收第三信息,所述第三信息包含所述第二终端的注册区域和/或无线接入网通知区域的配置信息。
- 根据权利要求7所述的方法,其中,接收第三信息包括:接收所述第二终端、接入网或核心网发送的所述第三信息。
- 根据权利要求7所述的方法,其中,接收第三信息之后还包括:根据所述第三信息和所述第一终端的服务小区的相关信息的匹配情况,确定是否发送所述第一信息。
- 根据权利要求9所述的方法,其中,根据所述第三信息和所述第一终端的服务小区的相关信息的匹配情况,确定是否发送所述第一信息包括:若所述第三信息中的所述第二终端的注册区域不包括所述第一终端服务小区的相关信息中的PLMN标识和跟踪区域码中的至少一项,确定发送所述第一信息;或者,若所述第三信息中的所述第二终端的无线接入网通知区域不包括所述第一终端服务小区的相关信息中的小区标识,PLMN标识,跟踪区域码和无线接入网通知区域码中的至少一项的组合,确定发送所述第一信息。
- 根据权利要求1所述的方法,其中,向第二终端发送第一信息包括:在与所述第二终端的发现阶段、连接建立阶段或连接建立完成以后,向所述第二终端发送所述第一信息。
- 一种中继通信方法,由第二终端执行,所述方法包括:接收第一终端发送的第一信息,所述第一信息用于指示所述第一终端的服务小区的相关信息,或者,用于指示所述第二终端执行移动注册更新或者无线接入网通知区域更新;根据所述第一信息判断是否执行移动注册更新或者无线接入网通知区域更新。
- 根据权利要求12所述的方法,其中,所述第一终端的服务小区的相关信息包括以下至少一项:小区标识、PLMN标识、跟踪区域码和无线接入网通知区域码。
- 根据权利要求12所述的方法,其中,根据所述第一信息判断是否执 行移动注册更新或者无线接入网通知区域更新包括:若所述第一信息指示的第一终端的服务小区的相关信息中的PLMN标识和跟踪区域码中的至少一项与所述第二终端的注册区域不同,执行移动注册更新;或者,若所述第一信息指示的所述第一终端的服务小区的相关信息中的小区标识,PLMN标识,跟踪区域码和无线接入网通知区域码中的至少一项的组合与所述第二终端的无线接入网通知区域不同,执行无线接入网通知区域更新;或者,若所述第一信息指示所述第二终端执行移动注册更新,则执行移动注册更新;或者,若所述第一信息指示所述第二终端执行无线接入网通知区域更新,则执行无线接入网通知区域更新。
- 根据权利要求12所述的方法,其中,还包括:向所述第一终端发送第二信息,所述第二信息包含所述第二终端的状态信息。
- 根据权利要求15所述的方法,其中,所述第二终端的状态信息为第二终端处于CM空闲态、所述第二终端处于CM连接态且处于RRC非激活态或所述第二终端处于CM连接态。
- 根据权利要求12所述的方法,其中,还包括:向所述第一终端发送第三信息,所述第三信息包含所述第二终端的注册区域和/或无线接入网通知区域的配置信息。
- 一种中继通信装置,包括:发送模块,用于向第二终端发送第一信息,所述第一信息用于指示第一终端的服务小区的相关信息,或者,用于指示所述第二终端执行移动注册更新或者无线接入网通知区域更新。
- 根据权利要求18所述的装置,其中,还包括:第一接收模块,用于接收网络侧发送的专用系统信息,所述专用系统信息包含所述第一终端的服务小区的相关信息。
- 根据权利要求18所述的装置,其中,还包括:第二接收模块,用于接收所述第二终端发送的第二信息,所述第二信息包含所述第二终端的状态信息;确定模块,用于根据所述第二信息,确定所述第一信息的内容。
- 根据权利要求18所述的装置,其中,还包括:第三接收模块,用于接收第三信息,所述第三信息包含所述第二终端的注册区域和/或无线接入网通知区域的配置信息。
- 根据权利要求21所述的装置,其中,还包括:判断模块,用于根据所述第三信息和所述第一终端的服务小区的相关信息的匹配情况,确定是否发送所述第一信息。
- 一种中继通信装置,包括:接收模块,用于接收第一终端发送的第一信息,所述第一信息用于指示所述第一终端的服务小区的相关信息,或者,用于指示第二终端执行移动注册更新或者无线接入网通知区域更新;判断模块,用于根据所述第一信息判断是否执行移动注册更新或者无线接入网通知区域更新。
- 根据权利要求23所述的装置,其中,还包括:第一发送模块,用于向所述第一终端发送第二信息,所述第二信息包含所述第二终端的状态信息。
- 根据权利要求23所述的装置,其中,还包括:第二发送模块,用于向所述第一终端发送第三信息,所述第三信息包含所述第二终端的注册区域和/或无线接入网通知区域的配置信息。
- 一种终端,包括处理器,存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,其中,所述程序或指令被所述处理器执行时实 现如权利要求1至11任一项所述的中继通信方法的步骤;或者,所述程序或指令被所述处理器执行时实现如权利要求12至17任一项所述的中继通信方法的步骤。
- 一种可读存储介质,所述可读存储介质上存储程序或指令,其中,所述程序或指令被处理器执行时实现如权利要求1至11任一项所述的中继通信方法,或者实现如权利要求12至17任一项所述的中继通信方法的步骤。
- 一种芯片,所述芯片包括处理器和通信接口,其中,所述通信接口和所述处理器耦合,所述处理器用于运行网络侧设备程序或指令,实现如权利要求1至11任一项所述的中继通信方法,或者实现如权利要求12至17任一项所述的中继通信方法的步骤。
- 一种计算机程序产品,其中,所述计算机程序产品存储在非瞬态的存储介质中,所述计算机程序产品被至少一个处理器执行以实现如权利要求1至11任一项所述的中继通信方法,或者实现如权利要求12至17任一项所述的中继通信方法的步骤。
- 一种通信设备,其中,被配置为执行如权利要求1至11任一项所述的中继通信方法,或者执行如权利要求12至17任一项所述的中继通信方法的步骤。
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