WO2023087262A1 - 通信方法及通信装置 - Google Patents
通信方法及通信装置 Download PDFInfo
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- WO2023087262A1 WO2023087262A1 PCT/CN2021/131848 CN2021131848W WO2023087262A1 WO 2023087262 A1 WO2023087262 A1 WO 2023087262A1 CN 2021131848 W CN2021131848 W CN 2021131848W WO 2023087262 A1 WO2023087262 A1 WO 2023087262A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/04—Terminal devices adapted for relaying to or from another terminal or user
Definitions
- the present application relates to the technical field of communication, and more specifically, to a communication method and a communication device.
- relay UE user equipment
- relay UE relay UE
- the present application provides a communication method and a communication device, which can improve the communication efficiency of terminal equipment.
- a communication method including: a first terminal device receiving first information sent by a second terminal device, where the first information includes an application layer identifier and/or a link layer identifier of a third terminal device; The first terminal device determines a communication link between the first terminal device and the third terminal device according to the first information, and the communication link is used for connecting the second terminal device with the The third terminal device provides communication relay.
- a communication method including: a second terminal device sending first information to a first terminal device, where the first information includes an application layer identifier and/or a link layer identifier of a third terminal device.
- a communication method including: a third terminal device receives unicast signaling sent by a first terminal device, and the unicast signaling is used to determine the first terminal device and the third terminal Communication link between devices.
- a communication device including: a receiving unit, configured to receive first information sent by a second terminal device, where the first information includes an application layer identifier and/or a link layer identifier of a third terminal device a determining unit, configured to determine a communication link between the apparatus and the third terminal device according to the first information, and the communication link is used for connecting the second terminal device and the third terminal.
- a communication apparatus including: a sending unit, configured to send first information to a first terminal device, where the first information includes an application layer identifier and/or a link layer identifier of a third terminal device.
- a communication device including: a receiving unit, configured to receive unicast signaling sent by a first terminal device, where the unicast signaling is used to determine the communication between the first terminal device and the device communication link between.
- a communication device including a memory and a processor, the memory is used to store a program, and the processor is used to call the program in the memory to execute any one of the first to third aspects. method described in the aspect.
- a communication device including a processor, configured to call a program from a memory to execute the method described in any one of the first aspect to the third aspect.
- a ninth aspect provides a chip, including a processor, configured to call a program from a memory, so that a device installed with the chip executes the method described in any one of the first aspect to the third aspect.
- a computer-readable storage medium on which a program is stored, and the program causes a computer to execute the method described in any one of the first to third aspects.
- a computer program product including a program, the program causes a computer to execute the method described in any one of the first to third aspects.
- a twelfth aspect provides a computer program, the computer program causes a computer to execute the method described in any one of the first to third aspects.
- the first terminal device determines the communication link between the first terminal device and the third terminal device according to the first information, so that the second terminal can be connected through the communication link
- the device and the third terminal device provide a communication relay, which can improve the communication efficiency of the terminal device.
- Fig. 1 is an example diagram of a wireless communication system applied in the embodiment of the present application.
- Fig. 2 is a schematic diagram of relay communication between terminal devices.
- Fig. 3 is a schematic flowchart of establishing a communication connection between terminal devices.
- Fig. 4 is a schematic flowchart of a communication method provided by an embodiment of the present application.
- Fig. 5 is a schematic flowchart of a communication method provided by another embodiment of the present application.
- Fig. 6 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
- Fig. 7 is a schematic structural diagram of a communication device provided by another embodiment of the present application.
- Fig. 8 is a schematic structural diagram of a communication device provided by another embodiment of the present application.
- Fig. 9 is a schematic structural diagram of a device provided by an embodiment of the present application.
- FIG. 1 is a wireless communication system 100 applied in an embodiment of the present application.
- the wireless communication system 100 may include a network device 110 and a user equipment (user equipment, UE) 120.
- Network device 110 may communicate with UE 120 .
- the network device 110 may provide communication coverage for a specific geographic area, and may communicate with UEs 120 located within the coverage area.
- the UE 120 can access a network (such as a wireless network) through the network device 110 .
- FIG. 1 exemplarily shows one network device and two UEs.
- the wireless communication system 100 may include multiple network devices and each network device may include other numbers of terminal devices within the coverage area. This application The embodiment does not limit this.
- the wireless communication system 100 may further include other network entities such as a network controller and a mobility management entity, which is not limited in this embodiment of the present application.
- the technical solutions of the embodiments of the present application can be applied to various communication systems, for example: the fifth generation (5th generation, 5G) system or new radio (new radio, NR), 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), etc.
- the technical solutions provided in this application can also be applied to future communication systems, such as the sixth generation mobile communication system, and satellite communication systems, and so on.
- the UE in the embodiment of the present application may also be referred to as a terminal device, an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station (mobile station, MS), a mobile terminal (mobile Terminal, MT), a remote station, and a remote terminal.
- a terminal device an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station (mobile station, MS), a mobile terminal (mobile Terminal, MT), a remote station, and a remote terminal.
- mobile device, user terminal, terminal, wireless communication device, user agent, or user device may be a device that provides voice and/or data connectivity to users, and may be used to connect people, objects and machines, such as handheld devices with wireless connection functions, vehicle-mounted devices, and the like.
- the UE in the embodiment of the present application can be a mobile phone (mobile phone), a tablet computer (Pad), a notebook computer, a palmtop computer, a mobile internet device (mobile internet device, MID), a wearable device, a virtual reality (virtual reality, VR ) equipment, augmented reality (augmented reality, AR) equipment, wireless terminals in industrial control (industrial control), wireless terminals in self driving (self driving), wireless terminals in remote medical surgery (remote medical surgery), smart grid Wireless terminals in (smart grid), wireless terminals in transportation safety, wireless terminals in smart city, wireless terminals in smart home, etc.
- UE can be used to act as a base station.
- a UE may act as a scheduling entity that provides sidelink signals between UEs in V2X or D2D, etc.
- a cell phone and an automobile communicate with each other using sidelink signals. Communication between cellular phones and smart home devices without relaying communication signals through base stations.
- the network device in the embodiment of the present application may be a device for communicating with UE, and the network device may also be called an access network device or a wireless access network device, for example, the network device may be a base station.
- the network device in this embodiment of the present application may refer to a radio access network (radio access network, RAN) node (or device) that connects the UE to the wireless network.
- radio access network radio access network, RAN
- the base station can broadly cover various names in the following, or replace with the following names, such as: Node B (NodeB), evolved base station (evolved NodeB, eNB), next generation base station (next generation NodeB, gNB), relay station, Access point, transmission point (transmitting and receiving point, TRP), transmission point (transmitting point, TP), primary station MeNB, secondary station SeNB, multi-standard radio (MSR) node, home base station, network controller, access node , wireless node, access point (access piont, AP), transmission node, transceiver node, base band unit (base band unit, BBU), remote radio unit (Remote Radio Unit, RRU), active antenna unit (active antenna unit) , AAU), radio head (remote radio head, RRH), central unit (central unit, CU), distributed unit (distributed unit, DU), positioning nodes, etc.
- a base station may be a macro base station, a micro base station, a relay node,
- a base station may be fixed or mobile.
- a helicopter or drone can be configured to act as a mobile base station, and one or more cells can move according to the location of the mobile base station.
- a helicopter or drone may be configured to act as a device communicating with another base station.
- the base station may refer to a CU or a DU, or the base station may include the CU and the DU, or the base station may also include the AAU.
- the base station can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; it can also be deployed on water; it can also be deployed on airplanes, balloons and satellites in the air.
- the base station and the scene in the embodiment of the present application are not limited. It should also be understood that all or part of the functions of the base station and UE in this application may also be implemented by software functions running on hardware, or by virtualization functions instantiated on a platform (such as a cloud platform).
- Sidelink communication may also be called proximity services (Proximity services, ProSe) communication, unilateral communication, side chain communication, and device to device (D2D) communication.
- ProSe proximity services
- D2D device to device
- a UE capable of proximity services (ProSe) can directly communicate with another UE capable of ProSe through the PC5 interface.
- ProSe-capable Relay UE When two ProSe-capable UEs are far away and cannot directly establish a communication connection through the PC5 interface, communication can also be relayed through a ProSe-capable Relay UE. As shown in FIG. 2, the UE 210 can directly communicate with the UE 220 through the PC5 interface, and can also directly communicate with the UE 230 through the PC5 interface. At this time, if the distance between UE 220 and UE 230 is too far to establish a communication connection directly through the PC5 interface, UE 210 can provide a communication relay (relay) for UE 220 and UE 230, that is, UE 220 Can communicate with UE 230 through UE 210.
- a communication relay relay
- a communication connection can be established between UEs through the method shown in FIG. 3 .
- the method may include the following steps:
- UE-2 determines a target layer 2 (Layer-2) identifier (ID) for signaling reception.
- Layer-2 Layer-2
- the application layer of UE-1 provides application layer information for unicast short-distance communication.
- UE-1 sends a direct communication request message to UE-2 in a broadcast or unicast manner.
- the short-distance link can be established in the following two ways.
- Method A Establishment of a short-distance link with the target as the UE
- UE-2 sends a direct communication response message to UE-1 in a unicast manner.
- Method B Establishment of a short-distance link whose target is business
- UE-1 performs security information exchange with UE-2 and UE-4.
- UE-2 and UE-4 send a direct communication response message to UE-1 in a unicast manner.
- S360b Transmit unicast data units between UE-1, UE-2, and UE-4.
- the method for establishing a communication connection between UEs shown in FIG. 3 is only an example and not limiting. In the embodiment of the present application, the communication connection between UEs may also be established by other methods, which is not limited in the present application.
- the target link layer identifier carried in the direct communication request message received by UE 210 from UE 220 is the link layer identifier of UE 210, and UE 210 does not know the application layer identifier or link layer identifier of UE 230 Therefore, UE 210 cannot directly send a direct communication request message to UE 230 by unicast, and UE 210 can only send a direct communication request message by broadcast to request to establish a communication connection with UE 230. At this time, if the UE 230 does not listen to the broadcast, it cannot establish a communication connection with the UE 210, and cannot perform relay communication with the UE 220 through the UE 210.
- Fig. 4 is a schematic flowchart of a communication method according to an embodiment of the present application. It should be understood that the method 400 shown in FIG. 4 may include step S410, specifically as follows:
- the second terminal device sends first information to the first terminal device, so that the first terminal device provides a communication relay for the second terminal device and the third terminal device.
- the first terminal device, the second terminal device, and the third terminal device may all have a short-distance service capability.
- the first information may include an application layer identifier and/or a link layer identifier of the third terminal device.
- the first terminal device may directly send a direct communication request message to the third terminal device in a unicast manner according to the application layer identifier and/or link layer identifier of the third terminal device, so as to provide The second terminal device and the third terminal device provide a communication relay.
- the link layer identifier may be a layer 2 identifier used for short-distance communication.
- the second terminal device may send the first information to the first terminal device through a first direct communication request message, that is, the first information may be borne or carried on the first terminal device. In a direct communication request message; or, the second terminal device may also send the first information to the first terminal device during security information interaction.
- the first direct communication request message may further include one or more of the application layer identifier of the second terminal device, the identifier of the first terminal device, service information, and a relay service code.
- the first terminal device sends a direct communication response message to the second terminal device.
- a short distance communication link can be established between the first terminal device and the second terminal device, and a direct communication response message is sent to the second terminal device.
- the direct communication response message may include information such as an identifier of the first terminal device and a relay service code.
- S430 Perform Internet Protocol (internet protocol, IP) address allocation between the first terminal device and the second terminal device.
- IP Internet protocol
- the first terminal device may assign an IP address to the second terminal device; or, the second terminal device may also assign an IP address to the first terminal device; or, the connection between the first terminal device and the second terminal device may also be
- the IP address allocation is performed in other ways, which is not limited in this embodiment of the present application.
- the first terminal device may determine a communication link between the first terminal device and the third terminal device according to the first information.
- the communication link may be used to provide a communication relay for the second terminal device and the third terminal device.
- the first terminal device may determine the communication link between the first terminal device and the third terminal device in various ways.
- One of the implementation manners will be described below in conjunction with step S440 in FIG. 4 , and another implementation manner will be introduced later in conjunction with step S550 in FIG. 5 .
- the method 400 may further include step S440, specifically as follows:
- the first terminal device sends the second information to the third terminal device.
- the first terminal device may send the second information to the third terminal device according to the application layer identifier and/or the link layer identifier of the third terminal device.
- the second information may be used to request establishment of a communication link between the first terminal device and the third terminal device.
- the first terminal device may send the second information to the third terminal device in a unicast manner according to the first information.
- the second information since the second information may be transmitted in a unicast manner, the second information may also be called unicast signaling.
- the first terminal device may send the second information to the third terminal device through a second direct communication request message in a unicast manner, that is, the second Information may be carried or carried in the second direct communication request message.
- the first terminal device may determine the third terminal device as the target terminal device according to the first information (for example, the application layer identifier and/or the link layer identifier of the third terminal device), and use unicast to pass The second direct communication request message sends the second information to the third terminal device.
- the first terminal device may send the second information in a unicast manner using the link layer identifier of the third terminal device as the target link layer identifier. For example, the first terminal device may determine that the link layer of the third terminal device is the target link layer according to the first information (for example, the link layer identifier of the third terminal device), and use unicast to pass the The second direct communication request message sends the second information to the link layer of the third terminal device.
- the first terminal device may also send the IP address and/or application layer identifier of the second terminal device to the third terminal device through the second information. That is to say, the second information may carry the IP address and/or application layer identifier of the second terminal device.
- the first terminal device may also send the IP address and/or application layer identifier of the second terminal device to the third terminal device during security information interaction.
- the second information may further include one or more of an identifier of the first terminal device, an application layer identifier of the third terminal device, service information, and a relay service code.
- the second direct communication request message may further include one or more of the identifier of the first terminal device, the application layer identifier of the third terminal device, business information, and a relay service code. Multiple.
- the third terminal device sends a direct communication response message to the first terminal device.
- a short distance communication link can be established between the third terminal device and the first terminal device, and a direct communication response message is sent to the first terminal device.
- the direct communication response message may include information such as an application layer identifier and a relay service code of the first terminal device.
- the first terminal device may assign an IP address to the third terminal device; or, the third terminal device may also assign an IP address to the first terminal device; or, the connection between the first terminal device and the third terminal device may also be
- the IP address allocation is performed in other ways, which is not limited in this embodiment of the present application.
- the method 400 may also include step S470, specifically as follows:
- the first terminal device sends fourth information to the second terminal device.
- the fourth information may include an Internet Protocol IP address of the third terminal device.
- the first terminal device may send the fourth information to the second terminal device through the direct communication response message in S420 (at this time, S470 may not be required, or in other words, S470 and S420 are same step); or, the first terminal device may also send fourth information to the second terminal device through the second link modification request message; or, the first terminal device may also send the fourth information to the second terminal device through other messages
- the second terminal device sends fourth information.
- the first terminal device can establish a communication connection with the third terminal device according to the application layer identifier and/or link layer identifier of the third terminal device included in the first information, so that the second terminal device can communicate with the third terminal device.
- the third terminal device provides communication relay, which can improve the communication efficiency of the terminal device.
- Fig. 5 is a schematic flowchart of a communication method according to another embodiment of the present application. It should be understood that the method 500 shown in FIG. 5 may include step S510, specifically as follows:
- the second terminal device sends first information to the first terminal device, so that the first terminal device provides a communication relay for the second terminal device and the third terminal device.
- the first terminal device, the second terminal device, and the third terminal device may all have a short-distance service capability.
- the first information may include an application layer identifier and/or a link layer identifier of the third terminal device.
- the first terminal device may directly send a direct communication request message to the third terminal device in a unicast manner according to the application layer identifier and/or link layer identifier of the third terminal device, so as to provide The second terminal device and the third terminal device provide a communication relay.
- the link layer identifier may be a layer 2 identifier used for short-distance communication.
- the second terminal device may send the first information to the first terminal device through a first direct communication request message, that is, the first information may be borne or carried on the first terminal device. In a direct communication request message; or, the second terminal device may also send the first information to the first terminal device during security information interaction.
- the first direct communication request message may further include one or more of the application layer identifier of the second terminal device, the identifier of the first terminal device, service information, and a relay service code.
- the first terminal device sends a direct communication response message to the second terminal device.
- a short distance communication link can be established between the first terminal device and the second terminal device, and a direct communication response message is sent to the second terminal device.
- the direct communication response message may include information such as an identifier of the first terminal device and a relay service code.
- S530 Perform Internet Protocol (internet protocol, IP) address allocation between the first terminal device and the second terminal device.
- IP Internet protocol
- the first terminal device may assign an IP address to the second terminal device; or, the second terminal device may also assign an IP address to the first terminal device; or, the connection between the first terminal device and the second terminal device may also be
- the IP address allocation is performed in other ways, which is not limited in this embodiment of the present application.
- the first terminal device sends fourth information to the second terminal device.
- the fourth information may include an Internet Protocol IP address of the third terminal device.
- the first terminal device may determine the relationship between the first terminal device and the second terminal device according to the first information (for example, the application layer identifier and/or link layer identifier of the third terminal device). A communication link already exists between the three terminal devices. Further, the first terminal device may determine the IP address of the third terminal device, and send the IP address of the third terminal device (that is, the fourth information) to the second terminal device.
- the first information for example, the application layer identifier and/or link layer identifier of the third terminal device.
- the first terminal device may determine the IP address of the third terminal device, and send the IP address of the third terminal device (that is, the fourth information) to the second terminal device.
- the first terminal device may send the fourth information to the second terminal device through the direct communication response message in S520 (in this case, S540 may not be required , or in other words, S540 and S520 are the same step); or, the first terminal device may also send fourth information to the second terminal device through the second link modification request message; or, the first terminal The device may also send fourth information to the second terminal device through other messages.
- the first terminal device may determine according to the first information that A communication link between the first terminal device and the third terminal device.
- the communication link may be used to provide a communication relay for the second terminal device and the third terminal device.
- the first terminal device may determine the communication link between the first terminal device and the third terminal device in various ways.
- one implementation manner has been introduced in combination with step S440 in FIG. 4 , and another implementation manner will be described below in conjunction with step S550 in FIG. 5 .
- the method 500 may further include step S550, specifically as follows:
- the first terminal device sends third information to the third terminal device.
- the third information may be used to modify the communication link between the first terminal device and the third terminal device.
- the first terminal device may send the third information to the third terminal device in a unicast manner.
- the third information since the third information may be transmitted in a unicast manner, the The third information may also be called unicast signaling.
- the first terminal device may send third information to the third terminal device through the first link modification request message, that is, the third information may be borne or carried in the first Link Modification Request message.
- the third information may further include at least one of an identifier of the first terminal device, an application layer identifier of the third terminal device, service information, and a relay service code.
- the first link modification request message may further include at least one of the identifier of the first terminal device, the application layer identifier of the third terminal device, service information, and relay service code. one.
- the first terminal device may also send the IP address and/or application layer identifier of the second terminal device to the third terminal device through the third information.
- the first terminal device may also send the IP address and/or application layer identifier of the second terminal device to the third terminal device during security information interaction.
- the third terminal device sends a link modification response message to the first terminal device.
- the first terminal device can establish a communication connection with the third terminal device according to the application layer identifier and/or link layer identifier of the third terminal device included in the first information, so that the second terminal device can communicate with the third terminal device.
- the third terminal device provides communication relay, which can improve the communication efficiency of the terminal device.
- Fig. 6 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
- the communication device 600 in FIG. 6 includes a receiving unit 610 .
- a receiving unit 610 configured to receive first information sent by the second terminal device, where the first information includes an application layer identifier and/or a link layer identifier of the third terminal device;
- a determining unit 620 configured to determine a communication link between the apparatus and the third terminal device according to the first information, where the communication link is used for connecting the second terminal device and the third terminal device
- the device provides a communication relay.
- the link layer identifier is a layer 2 identifier used for short-distance communication.
- the device has a short-distance service capability.
- the receiving unit 610 is specifically configured to: receive the first information sent by the second terminal device through the first direct communication request message or during the security information interaction process.
- the first direct communication request message includes at least one of an application layer identifier of the second terminal device, an identifier of the device, service information, and a relay service code.
- the apparatus further includes a determining unit 620 specifically configured to: send second information to the third terminal device in a unicast manner according to the first information, and the second information is used to request to establish the A communication link between the device and the third terminal device.
- a determining unit 620 specifically configured to: send second information to the third terminal device in a unicast manner according to the first information, and the second information is used to request to establish the A communication link between the device and the third terminal device.
- the determining unit 620 is specifically configured to: send the second information to the third terminal device through a second direct communication request message in a unicast manner.
- the determining unit 620 is specifically configured to: use the link layer identifier of the third terminal device as the target link layer identifier to send the second information in a unicast manner.
- the determining unit 620 is further configured to: send the Internet Protocol IP address of the second terminal device to the third terminal device through the second information or during security information interaction.
- the second information includes at least one of an identifier of the device, an application layer identifier of the third terminal device, service information, and a relay service code.
- the determining unit 620 is specifically configured to: determine according to the first information that the communication link already exists between the apparatus and the third terminal device.
- the apparatus further includes a sending unit 630, configured to: send third information to the third terminal device, where the third information is used to modify the communication link.
- a sending unit 630 configured to: send third information to the third terminal device, where the third information is used to modify the communication link.
- the sending unit 630 is further configured to: send the Internet Protocol IP address of the second terminal device to the third terminal device through the third information or during security information interaction.
- the sending unit 630 is specifically configured to: send third information to the third terminal device through a first link modification request message.
- the third information includes at least one of an identifier of the device, an application layer identifier of the third terminal device, service information, and a relay service code.
- the sending unit 630 is further configured to: send fourth information to the second terminal device, where the fourth information includes the Internet Protocol IP address of the third terminal device.
- the sending unit 630 is specifically configured to: send the fourth information to the second terminal device by using a direct communication response message or a second link modification request message.
- Fig. 7 is a schematic structural diagram of a communication device provided by another embodiment of the present application.
- the communication device 700 in FIG. 7 includes a sending unit 710 .
- the sending unit 710 is configured to send first information to the first terminal device, where the first information includes an application layer identifier and/or a link layer identifier of the third terminal device.
- the link layer identifier is a layer 2 identifier used for short-distance communication.
- the device has a proximity service capability.
- the sending unit 710 is specifically configured to: send the first information through a first direct communication request message or during security information interaction.
- the first direct communication request message includes at least one of an application layer identifier of the apparatus, an identifier of the first terminal device, service information, and a relay service code.
- the apparatus further includes a receiving unit 720, configured to: receive fourth information sent by the first terminal device, where the fourth information includes the Internet Protocol IP address of the third terminal device.
- the receiving unit 720 is specifically configured to: receive the fourth information sent by the first terminal device through a direct communication response message or a second link modification request message.
- Fig. 8 is a schematic structural diagram of a communication device provided by another embodiment of the present application.
- the communication device 800 in FIG. 8 includes a receiving unit 810 .
- the receiving unit 810 is configured to receive unicast signaling sent by the first terminal device, where the unicast signaling is used to determine a communication link between the first terminal device and the apparatus.
- the receiving unit 810 is specifically configured to: receive second information sent by the first terminal device in a unicast manner, where the second information is used to request to establish a connection between the first terminal device and the device. communication link between. ,
- the receiving unit 810 is specifically configured to: receive third information sent by the first terminal device, where the third information is used to modify the communication link between the first terminal device and the apparatus .
- the receiving unit 810 is specifically configured to: receive the second information sent by the first terminal device in a unicast manner through the second direct communication request message.
- the second information includes at least one of an identifier of the first terminal device, an application layer identifier of the device, service information, and a relay service code.
- the receiving unit 810 is specifically configured to: receive the third information sent by the first terminal device through the first link modification request message.
- the third information includes at least one of an identifier of the first terminal device, an application layer identifier of the device, service information, and a relay service code.
- the receiving unit 810 is further configured to: receive the Internet interaction information of the second terminal device sent by the first terminal device through the second information, the third information or during the security information interaction process. Even the protocol IP address.
- the device has a proximity service capability.
- Fig. 9 is a schematic structural diagram of a device provided by an embodiment of the present application.
- the dotted line in Figure 9 indicates that the unit or module is optional.
- the apparatus 900 may be used to implement the methods described in the foregoing method embodiments.
- Device 900 may be a chip or a communication device.
- Apparatus 900 may include one or more processors 910 .
- the processor 910 can support the device 900 to implement the methods described in the foregoing method embodiments.
- the processor 910 may be a general purpose processor or a special purpose processor.
- the processor may be a central processing unit (central processing unit, CPU).
- the processor can also be other general-purpose processors, digital signal processors (digital signal processors, DSPs), application specific integrated circuits (application specific integrated circuits, ASICs), off-the-shelf programmable gate arrays (field programmable gate arrays, FPGAs) Or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
- a general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like.
- Apparatus 900 may also include one or more memories 920 .
- a program is stored in the memory 920, and the program can be executed by the processor 910, so that the processor 910 executes the methods described in the foregoing method embodiments.
- the memory 920 may be independent from the processor 910 or may be integrated in the processor 910 .
- Apparatus 900 may also include a transceiver 930 .
- the processor 910 can communicate with other devices or chips through the transceiver 930 .
- the processor 910 may send and receive data with other devices or chips through the transceiver 930 .
- the embodiment of the present application also provides a computer-readable storage medium for storing programs.
- the computer-readable storage medium can be applied to the communication device provided in the embodiments of the present application, and the program enables the computer to execute the methods performed by the communication device in the various embodiments of the present application.
- the embodiment of the present application also provides a computer program product.
- the computer program product includes programs.
- the computer program product can be applied to the communication device provided in the embodiments of the present application, and the program enables the computer to execute the methods performed by the communication device in the various embodiments of the present application.
- the embodiment of the present application also provides a computer program.
- the computer program can be applied to the communication device provided in the embodiments of the present application, and the computer program enables the computer to execute the methods performed by the communication device in the various embodiments of the present application.
- B corresponding to A means that B is associated with A, and B can be determined according to A.
- determining B according to A does not mean determining B only according to A, and B may also be determined according to A and/or other information.
- sequence numbers of the above-mentioned processes do not mean the order of execution, and the execution order of the processes should be determined by their functions and internal logic, and should not be used in the embodiments of the present application.
- the implementation process constitutes any limitation.
- the disclosed systems, devices and methods may be implemented in other ways.
- the device embodiments described above are only illustrative.
- the division of the units is only a logical function division. In actual implementation, there may be other division methods.
- multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented.
- the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
- all or part of them may be implemented by software, hardware, firmware or any combination thereof.
- software When implemented using software, it may be implemented in whole or in part in the form of a computer program product.
- the computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on the computer, the processes or functions according to the embodiments of the present application will be generated in whole or in part.
- the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable devices.
- the computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from a website, computer, server or data center Transmission to another website site, computer, server or data center by wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.).
- the computer-readable storage medium may be any available medium that can be read by a computer, or a data storage device such as a server, a data center, etc. integrated with one or more available media.
- the available medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a digital versatile disc (digital video disc, DVD)) or a semiconductor medium (for example, a solid state disk (solid state disk, SSD) )wait.
- a magnetic medium for example, a floppy disk, a hard disk, a magnetic tape
- an optical medium for example, a digital versatile disc (digital video disc, DVD)
- a semiconductor medium for example, a solid state disk (solid state disk, SSD)
Abstract
Description
Claims (72)
- 一种通信方法,其特征在于,包括:第一终端设备接收第二终端设备发送的第一信息,所述第一信息包括第三终端设备的应用层标识和/或链路层标识;所述第一终端设备根据所述第一信息确定所述第一终端设备和所述第三终端设备之间的通信链路,所述通信链路用于为所述第二终端设备与所述第三终端设备提供通信中继。
- 根据权利要求1所述的方法,其特征在于,所述链路层标识为近距离通信所使用的层2标识。
- 根据权利要求1或2所述的方法,其特征在于,所述第一终端设备具有近距离业务能力。
- 根据权利要求1至3中任一项所述的方法,其特征在于,所述第一终端设备接收第二终端设备发送的第一信息,包括:第一终端设备通过第一直接通信请求消息或者在安全信息交互过程中接收第二终端设备发送的第一信息。
- 根据权利要求4所述的方法,其特征在于,所述第一直接通信请求消息包括所述第二终端设备的应用层标识、所述第一终端设备的标识、业务信息及中继服务码中的至少一个。
- 根据权利要求1至5中任一项所述的方法,其特征在于,所述第一终端设备根据所述第一信息确定所述第一终端设备和所述第三终端设备之间的通信链路,包括:所述第一终端设备根据所述第一信息采用单播的方式向所述第三终端设备发送第二信息,所述第二信息用于请求建立所述通信链路。
- 根据权利要求6所述的方法,其特征在于,所述第一终端设备根据所述第一信息采用单播的方式向所述第三终端设备发送第二信息,包括:所述第一终端设备采用单播的方式,通过第二直接通信请求消息向所述第三终端设备发送所述第二信息。
- 根据权利要求6所述的方法,其特征在于,所述第一终端设备根据所述第一信息采用单播的方式向所述第三终端设备发送第二信息,包括:所述第一终端设备采用单播的方式,以所述第三终端设备的链路层标识作为目标链路层标识发送所述第二信息。
- 根据权利要求6至8中任一项所述的方法,其特征在于,所述方法还包括:所述第一终端设备通过所述第二信息或者在安全信息交互过程中向所述第三终端设备发送所述第二终端设备的网际互连协议IP地址。
- 根据权利要求6至9中任一项所述的方法,其特征在于,所述第二信息包括所述第一终端设备的标识、所述第三终端设备的应用层标识、业务信息及中继服务码中的至少一个。
- 根据权利要求1至5中任一项所述的方法,其特征在于,所述第一终端设备根据所述第一信息确定所述第一终端设备和所述第三终端设备之间的通信链路,包括:所述第一终端设备根据所述第一信息确定所述第一终端设备与所述第三终端设备之间已经存在所述通信链路。
- 根据权利要求11所述的方法,其特征在于,在所述第一终端设备根据所述第一信息确定所述第一终端设备与所述第三终端设备之间已经存在所述通信链路之后,所述方法还包括:所述第一终端设备向所述第三终端设备发送第三信息,所述第三信息用于修改所述通信链路。
- 根据权利要求11或12所述的方法,其特征在于,所述方法还包括:所述第一终端设备通过所述第三信息或者在安全信息交互过程中向所述第三终端设备发送所述第二终端设备的网际互连协议IP地址。
- 根据权利要求12所述的方法,其特征在于,所述第一终端设备向所述第三终端设备发送第三信息,包括:所述第一终端设备通过第一链路修改请求消息向所述第三终端设备发送第三信息。
- 根据权利要求12或14所述的方法,其特征在于,所述第三信息包括所述第一终端设备的标识、所述第三终端设备的应用层标识、业务信息及中继服务码中的至少一个。
- 根据权利要求1至15中任一项所述的方法,其特征在于,在第一终端设备接收第二终端设备发送的第一信息之后,所述方法还包括:所述第一终端设备向所述第二终端设备发送第四信息,所述第四信息包括所述第三终端设备的网际互连协议IP地址。
- 根据权利要求16所述的方法,其特征在于,所述第一终端设备向所述第二终端设备发送第四信息,包括:所述第一终端设备通过直接通信回应消息或者第二链路修改请求消息向所述第二终端设备发送第四信息。
- 一种通信方法,其特征在于,包括:第二终端设备向第一终端设备发送第一信息,所述第一信息包括第三终端设备的应用层标识和/或链路层标识。
- 根据权利要求18所述的方法,其特征在于,所述链路层标识为近距离通信所使用的层2标识。
- 根据权利要求18或19所述的方法,其特征在于,所述第二终端设备具有临近业务能力。
- 根据权利要求18至20中任一项所述的方法,其特征在于,所述第二终端设备向第一终端设备发送第一信息,包括:所述第二终端设备通过第一直接通信请求消息或者在安全信息交互过程中发送所述第一信息。
- 根据权利要求21所述的方法,其特征在于,所述第一直接通信请求消息包括所述第二终端设备的应用层标识、所述第一终端设备的标识、业务信息及中继服务码中的至少一个。
- 根据权利要求18至22中任一项所述的方法,其特征在于,在所述第二终端设备向第一终端设备发送第一信息之后,所述方法还包括:所述第二终端设备接收所述第一终端设备发送的第四信息,所述第四信息包括所述第三终端设备的网际互连协议IP地址。
- 根据权利要求23所述的方法,其特征在于,所述第二终端设备接收所述第一终端设备发送的第四信息,包括:所述第二终端设备通过直接通信回应消息或者第二链路修改请求消息接收所述第一终端设备发送的第四信息。
- 一种通信方法,其特征在于,包括:第三终端设备接收第一终端设备发送的单播信令,所述单播信令用于确定所述第一终端设备与所述第三终端设备之间的通信链路。
- 根据权利要求25所述的方法,其特征在于,所述第三终端设备接收第一终端设备发送的单播信令,包括:所述第三终端设备接收所述第一终端设备采用单播的方式发送的第二信息,所述第二信息用于请求建立所述第一终端设备与所述第三终端设备之间的通信链路。
- 根据权利要求25所述的方法,其特征在于,所述第三终端设备接收第一终端设 备发送的单播信令,包括:所述第三终端设备接收所述第一终端设备发送的第三信息,所述第三信息用于修改所述第一终端设备与所述第三终端设备之间的通信链路。
- 根据权利要求26所述的方法,其特征在于,所述第三终端设备接收所述第一终端设备采用单播的方式发送的第二信息,包括:所述第三终端设备通过第二直接通信请求消息接收所述第一终端设备采用单播的方式发送的第二信息。
- 根据权利要求26或28所述的方法,其特征在于,所述第二信息包括所述第一终端设备的标识、所述第三终端设备的应用层标识、业务信息及中继服务码中的至少一个。
- 根据权利要求27所述的方法,其特征在于,所述第三终端设备接收所述第一终端设备发送的第三信息,包括:所述第三终端设备通过第一链路修改请求消息接收所述第一终端设备发送的第三信息。
- 根据权利要求30所述的方法,其特征在于,所述第三信息包括所述第一终端设备的标识、所述第三终端设备的应用层标识、业务信息及中继服务码中的至少一个。
- 根据权利要求25至31中任一项所述的方法,其特征在于,所述方法还包括:所述第三终端设备通过所述第二信息、所述第三信息或者在安全信息交互过程中接收所述第一终端设备发送的所述第二终端设备的网际互连协议IP地址。
- 根据权利要求25至32中任一项所述的方法,其特征在于,所述第三终端设备具有临近业务能力。
- 一种通信装置,其特征在于,包括:接收单元,用于接收第二终端设备发送的第一信息,所述第一信息包括第三终端设备的应用层标识和/或链路层标识;确定单元,用于根据所述第一信息确定所述装置和所述第三终端设备之间的通信链路,所述通信链路用于为所述第二终端设备与所述第三终端设备提供通信中继。
- 根据权利要求34所述的装置,其特征在于,所述链路层标识为近距离通信所使用的层2标识。
- 根据权利要求34或35所述的装置,其特征在于,所述装置具有近距离业务能力。
- 根据权利要求34至36中任一项所述的装置,其特征在于,所述接收单元具体用于:通过第一直接通信请求消息或者在安全信息交互过程中接收第二终端设备发送的第一信息。
- 根据权利要求37所述的装置,其特征在于,所述第一直接通信请求消息包括所述第二终端设备的应用层标识、所述装置的标识、业务信息及中继服务码中的至少一个。
- 根据权利要求34至38中任一项所述的装置,其特征在于,所述确定单元具体用于:根据所述第一信息采用单播的方式向所述第三终端设备发送第二信息,所述第二信息用于请求建立所述装置与所述第三终端设备之间的通信链路。
- 根据权利要求39所述的装置,其特征在于,所述确定单元具体用于:采用单播的方式,通过第二直接通信请求消息向所述第三终端设备发送所述第二信息。
- 根据权利要求39所述的装置,其特征在于,所述确定单元具体用于:采用单播的方式,以所述第三终端设备的链路层标识作为目标链路层标识发送所述第二信息。
- 根据权利要求39至41中任一项所述的装置,其特征在于,所述确定单元还用于:通过所述第二信息或者在安全信息交互过程中向所述第三终端设备发送所述第二终端设备的网际互连协议IP地址。
- 根据权利要求39至42中任一项所述的装置,其特征在于,所述第二信息包括所述装置的标识、所述第三终端设备的应用层标识、业务信息及中继服务码中的至少一个。
- 根据权利要求34至39中任一项所述的装置,其特征在于,所述确定单元具体用 于:根据所述第一信息确定所述装置与所述第三终端设备之间已经存在所述通信链路。
- 根据权利要求44所述的装置,其特征在于,所述装置还包括发送单元,用于:向所述第三终端设备发送第三信息,所述第三信息用于修改所述通信链路。
- 根据权利要求44或45所述的装置,其特征在于,所述发送单元还用于:通过所述第三信息或者在安全信息交互过程中向所述第三终端设备发送所述第二终端设备的网际互连协议IP地址。
- 根据权利要求45所述的装置,其特征在于,所述发送单元具体用于:通过第一链路修改请求消息向所述第三终端设备发送第三信息。
- 根据权利要求45或47所述的装置,其特征在于,所述第三信息包括所述装置的标识、所述第三终端设备的应用层标识、业务信息及中继服务码中的至少一个。
- 根据权利要求34至48中任一项所述的装置,其特征在于,所述发送单元还用于:向所述第二终端设备发送第四信息,所述第四信息包括所述第三终端设备的网际互连协议IP地址。
- 根据权利要求49所述的装置,其特征在于,所述发送单元具体用于:通过直接通信回应消息或者第二链路修改请求消息向所述第二终端设备发送第四信息。
- 一种通信装置,其特征在于,包括:发送单元,用于向第一终端设备发送第一信息,所述第一信息包括第三终端设备的应用层标识和/或链路层标识。
- 根据权利要求49所述的装置,其特征在于,所述链路层标识为近距离通信所使用的层2标识。
- 根据权利要求49或50所述的装置,其特征在于,所述装置具有临近业务能力。
- 根据权利要求49至51中任一项所述的装置,其特征在于,所述发送单元具体用于:通过第一直接通信请求消息或者在安全信息交互过程中发送所述第一信息。
- 根据权利要求52所述的装置,其特征在于,所述第一直接通信请求消息包括所述装置的应用层标识、所述第一终端设备的标识、业务信息及中继服务码中的至少一个。
- 根据权利要求49至53中任一项所述的装置,其特征在于,所述装置还包括接收单元,用于:接收所述第一终端设备发送的第四信息,所述第四信息包括所述第三终端设备的网际互连协议IP地址。
- 根据权利要求54所述的装置,其特征在于,所述接收单元具体用于:通过直接通信回应消息或者第二链路修改请求消息接收所述第一终端设备发送的第四信息。
- 一种通信装置,其特征在于,包括:接收单元,用于接收第一终端设备发送的单播信令,所述单播信令用于确定所述第一终端设备与所述装置之间的通信链路。
- 根据权利要求58所述的装置,其特征在于,所述接收单元具体用于:接收所述第一终端设备采用单播的方式发送的第二信息,所述第二信息用于请求建立所述第一终端设备与所述装置之间的通信链路。
- 根据权利要求58所述的装置,其特征在于,所述接收单元具体用于:接收所述第一终端设备发送的第三信息,所述第三信息用于修改所述第一终端设备与所述装置之间的通信链路。
- 根据权利要求59所述的装置,其特征在于,所述接收单元具体用于:通过第二直接通信请求消息接收所述第一终端设备采用单播的方式发送的第二信息。
- 根据权利要求59或61所述的装置,其特征在于,所述第二信息包括所述第一终端设备的标识、所述装置的应用层标识、业务信息及中继服务码中的至少一个。
- 根据权利要求60所述的装置,其特征在于,所述接收单元具体用于:通过第一链路修改请求消息接收所述第一终端设备发送的第三信息。
- 根据权利要求63所述的装置,其特征在于,所述第三信息包括所述第一终端设 备的标识、所述装置的应用层标识、业务信息及中继服务码中的至少一个。
- 根据权利要求58至64中任一项所述的装置,其特征在于,所述接收单元还用于:通过所述第二信息、所述第三信息或者在安全信息交互过程中接收所述第一终端设备发送的所述第二终端设备的网际互连协议IP地址。
- 根据权利要求58至65中任一项所述的装置,其特征在于,所述装置具有临近业务能力。
- 一种通信装置,其特征在于,包括存储器和处理器,所述存储器用于存储程序,所述处理器用于调用所述存储器中的程序,以执行如权利要求1-33中任一项所述的方法。
- 一种通信装置,其特征在于,包括处理器,用于从存储器中调用程序,以执行如权利要求1-33中任一项所述的方法。
- 一种芯片,其特征在于,包括处理器,用于从存储器调用程序,使得安装有所述芯片的设备执行如权利要求1-33中任一项所述的方法。
- 一种计算机可读存储介质,其特征在于,其上存储有程序,所述程序使得计算机执行如权利要求1-33中任一项所述的方法。
- 一种计算机程序产品,其特征在于,包括程序,所述程序使得计算机执行如权利要求1-33中任一项所述的方法。
- 一种计算机程序,其特征在于,所述计算机程序使得计算机执行如权利要求1-33中任一项所述的方法。
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