WO2023225830A1 - 中继连接方法及装置 - Google Patents

中继连接方法及装置 Download PDF

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Publication number
WO2023225830A1
WO2023225830A1 PCT/CN2022/094574 CN2022094574W WO2023225830A1 WO 2023225830 A1 WO2023225830 A1 WO 2023225830A1 CN 2022094574 W CN2022094574 W CN 2022094574W WO 2023225830 A1 WO2023225830 A1 WO 2023225830A1
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WIPO (PCT)
Prior art keywords
terminal device
threshold value
relay
indication information
value
Prior art date
Application number
PCT/CN2022/094574
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English (en)
French (fr)
Inventor
杨星
Original Assignee
北京小米移动软件有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to PCT/CN2022/094574 priority Critical patent/WO2023225830A1/zh
Priority to CN202280001703.9A priority patent/CN115136660A/zh
Publication of WO2023225830A1 publication Critical patent/WO2023225830A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W40/00Communication routing or communication path finding
    • H04W40/02Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/22Communication 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup

Definitions

  • the present application relates to the field of communication technology, and in particular, to a relay connection method and device.
  • a sidelink communication method is introduced, and the communication interface between terminal devices is PC-5.
  • a terminal device when a terminal device communicates with a network device, it can establish a communication connection with the network device through a relay of another terminal device.
  • the connection through the relay can expand the coverage of the wireless network, eliminate or reduce communication blind spots, and obtain better results. High link capacity. Based on this, when the quality of the wireless channel between two terminal devices deteriorates, it is considered that the communication between the two terminal devices can be continued through a relay terminal device.
  • the first embodiment of the present application provides a relay connection method.
  • the method is executed by a first terminal device.
  • the method includes:
  • the first indication information includes a candidate relay list; the candidate relay list includes an identification of at least one candidate relay terminal device, and the at least one candidate relay terminal device is used to establish the connection between the first terminal device and the first terminal device. relay connection between the second terminal devices.
  • the at least one candidate relay terminal device meets at least one of the following conditions:
  • the channel measurement value with the first terminal device is higher than the first threshold value
  • the channel measurement value between the first terminal device and the first terminal device is higher than the sum of the channel measurement value between the first terminal device and the second terminal device and the first offset value;
  • the channel measurement value between the first terminal equipment and the first terminal equipment is higher than the sum of the channel measurement value between the first terminal equipment and the serving relay terminal equipment and the second offset value.
  • the first indication information includes channel measurement values of the first terminal device and the at least one candidate terminal device.
  • the first indication information includes a channel measurement value between the first terminal device and the second terminal device, or between the first terminal device and the service relay terminal device.
  • sending the first indication information to the second terminal device includes:
  • the first condition includes at least one of the following:
  • the channel measurement value between the first terminal device and the second terminal device is lower than a second threshold value
  • the channel measurement value between the first terminal device and the service relay terminal device is lower than a third threshold value
  • the channel measurement value between the first terminal device and at least one candidate relay terminal device is higher than a first threshold value
  • the channel measurement value between the first terminal device and at least one candidate relay terminal device is higher than the sum of the channel measurement value between the first terminal device and the second terminal device and the first offset value ;
  • the channel measurement value between the first terminal device and at least one candidate relay terminal device is higher than the sum of the channel measurement value between the first terminal device and the serving relay terminal device and the second offset value.
  • sending the first indication information to the second terminal device includes:
  • the second indication information is used to instruct the first terminal device to send the candidate relay list.
  • sending the first indication information to the second terminal device includes:
  • the third indication information is used to instruct the first terminal device to send the candidate relay list.
  • the method also includes:
  • the method also includes:
  • the method also includes:
  • the resource pool configuration information is determined based on the broadcast of the network device or the configuration information sent by the network device.
  • the method also includes:
  • the method also includes:
  • the channel measurement value is the reference signal received power SD-RSRP of the sidelink discovery signal, or the reference signal received power SL-RSRP of the sidelink communication signal.
  • the method also includes:
  • the fourth indication information carries the identification of the target relay terminal device determined by the second terminal device.
  • the method also includes:
  • the method also includes:
  • the method also includes:
  • a connection is established with the second terminal device through the target relay terminal device.
  • the method also includes:
  • the second embodiment of the present application proposes a relay connection method, which is executed by a second terminal device.
  • the method includes:
  • the first indication information includes a candidate relay list; the candidate relay list includes an identification of at least one candidate relay terminal device, and the at least one candidate relay terminal device is used to establish the connection between the first terminal device and the first terminal device. relay connection between the second terminal devices.
  • the at least one candidate relay terminal device meets at least one of the following conditions:
  • the channel measurement value with the first terminal device is higher than the first threshold value
  • the channel measurement value between the first terminal device and the first terminal device is higher than the sum of the channel measurement value between the first terminal device and the second terminal device and the first offset value;
  • the channel measurement value between the first terminal equipment and the first terminal equipment is higher than the sum of the channel measurement value between the first terminal equipment and the serving relay terminal equipment and the second offset value.
  • the first indication information includes channel measurement values of the first terminal device and the at least one candidate terminal device.
  • the first indication information includes a channel measurement value between the first terminal device and the second terminal device, or between the first terminal device and the service relay terminal device.
  • the method also includes:
  • the second threshold value and the third threshold value are used to trigger the first terminal device to send the first indication information.
  • the channel measurement value is the reference signal received power SD-RSRP of the sidelink discovery signal, or the reference signal received power SL-RSRP of the sidelink communication signal.
  • the method also includes:
  • the fourth indication information carries the identification of the target relay terminal device determined by the second terminal device.
  • the method also includes:
  • a connection is established with the first terminal device through the target relay terminal device.
  • the method also includes:
  • the method also includes:
  • the second indication information is used to instruct the first terminal device to send the candidate relay list.
  • the third embodiment of the present application provides a relay connection method.
  • the method is executed by a network device.
  • the method includes:
  • the first offset value, the second offset value and the first threshold value are used to determine at least one candidate relay terminal device, and the second threshold value and the third threshold value are used to trigger the
  • the first terminal device sends the first indication information; the first indication information includes a candidate relay list; the candidate relay list includes the identification of the at least one candidate relay terminal device, and the at least one candidate relay
  • the relay terminal device is used to establish a relay connection between the first terminal device and the second terminal device.
  • sending at least one of the first offset value, the second offset value, the first threshold value, the second threshold value, and the third threshold value to the first terminal device includes:
  • the broadcast message carrying the first offset value, the second offset value, the first threshold value, the second threshold value, and the third threshold value. of at least one.
  • sending at least one of the first offset value, the second offset value, the first threshold value, the second threshold value, and the third threshold value to the first terminal device includes:
  • the fourth embodiment of the present application provides a relay connection device, the device is applied to the first terminal equipment, and the device includes:
  • a transceiver unit configured to send the first instruction information to the second terminal device
  • the first indication information includes a candidate relay list; the candidate relay list includes an identification of at least one candidate relay terminal device, and the at least one candidate relay terminal device is used to establish the connection between the first terminal device and the first terminal device. relay connection between the second terminal devices.
  • the at least one candidate relay terminal device meets at least one of the following conditions:
  • the channel measurement value with the first terminal device is higher than the first threshold value
  • the channel measurement value between the first terminal device and the first terminal device is higher than the sum of the channel measurement value between the first terminal device and the second terminal device and the first offset value;
  • the channel measurement value between the first terminal equipment and the first terminal equipment is higher than the sum of the channel measurement value between the first terminal equipment and the serving relay terminal equipment and the second offset value.
  • the first indication information includes channel measurement values of the first terminal device and the at least one candidate terminal device.
  • the first indication information includes a channel measurement value between the first terminal device and the second terminal device, or between the first terminal device and the service relay terminal device.
  • the transceiver unit is specifically used for:
  • the first condition includes at least one of the following:
  • the channel measurement value between the first terminal device and the second terminal device is lower than a second threshold value
  • the channel measurement value between the first terminal device and the service relay terminal device is lower than a third threshold value
  • the channel measurement value between the first terminal device and at least one candidate relay terminal device is higher than a first threshold value
  • the channel measurement value between the first terminal device and at least one candidate relay terminal device is higher than the sum of the channel measurement value between the first terminal device and the second terminal device and the first offset value ;
  • the channel measurement value between the first terminal device and at least one candidate relay terminal device is higher than the sum of the channel measurement value between the first terminal device and the serving relay terminal device and the second offset value.
  • the transceiver unit is specifically used for:
  • the transceiver unit is specifically used for:
  • the second indication information In response to the second indication information, it is used to instruct the first terminal device to send the candidate relay list.
  • the third indication information is used to instruct the first terminal device to send the candidate relay list.
  • the transceiver unit is also used to:
  • the transceiver unit is also used to:
  • the transceiver unit is also used to:
  • the resource pool configuration information is determined based on the broadcast of the network device or the configuration information sent by the network device.
  • the transceiver unit is also used to:
  • the transceiver unit is also used to:
  • the channel measurement value is the reference signal received power SD-RSRP of the sidelink discovery signal, or the reference signal received power SL-RSRP of the sidelink communication signal.
  • the transceiver unit is also used to:
  • the fourth indication information carries the identification of the target relay terminal device determined by the second terminal device.
  • the transceiver unit is also used to:
  • the transceiver unit is also used to:
  • the transceiver unit is also used to:
  • a connection is established with the second terminal device through the target relay terminal device.
  • the transceiver unit is also used to:
  • the fifth embodiment of the present application provides a relay connection device, which is applied to a second terminal device.
  • the device includes:
  • a transceiver unit configured to receive the first indication information sent by the first terminal device
  • the first indication information includes a candidate relay list; the candidate relay list includes an identification of at least one candidate relay terminal device, and the at least one candidate relay terminal device is used to establish the connection between the first terminal device and the first terminal device. relay connection between the second terminal devices.
  • the at least one candidate relay terminal device meets at least one of the following conditions:
  • the channel measurement value with the first terminal device is higher than the first threshold value
  • the channel measurement value between the first terminal device and the first terminal device is higher than the sum of the channel measurement value between the first terminal device and the second terminal device and the first offset value;
  • the channel measurement value between the first terminal equipment and the first terminal equipment is higher than the sum of the channel measurement value between the first terminal equipment and the serving relay terminal equipment and the second offset value.
  • the first indication information includes channel measurement values of the first terminal device and the at least one candidate terminal device.
  • the first indication information includes a channel measurement value between the first terminal device and the second terminal device, or between the first terminal device and the service relay terminal device.
  • the transceiver unit is also used to:
  • the second threshold value and the third threshold value are used to trigger the first terminal device to send the first indication information.
  • the channel measurement value is the reference signal received power SD-RSRP of the sidelink discovery signal, or the reference signal received power SL-RSRP of the sidelink communication signal.
  • the transceiver unit is also used to:
  • the fourth indication information carries the identification of the target relay terminal device determined by the second terminal device from the at least one candidate relay terminal device.
  • the transceiver unit is also used to:
  • a connection is established with the first terminal device through the target relay terminal device.
  • the transceiver unit is also used to:
  • the transceiver unit is also used to:
  • the second indication information is used to instruct the first terminal device to send the candidate relay list.
  • the sixth aspect embodiment of the present application provides a relay connection device, the device is applied to network equipment, and the device includes:
  • a transceiver unit configured to send at least one of the first offset value, the second offset value, the first threshold value, the second threshold value, and the third threshold value to the first terminal device;
  • the first offset value, the second offset value and the first threshold value are used to determine at least one candidate relay terminal device, and the second threshold value and the third threshold value are used to trigger the
  • the first terminal device sends the first indication information; the first indication information includes a candidate relay list; the candidate relay list includes the identification of the at least one candidate relay terminal device, and the at least one candidate relay
  • the relay terminal device is used to establish a relay connection between the first terminal device and the second terminal device.
  • the transceiver unit is specifically used for:
  • the broadcast message carrying the first offset value, the second offset value, the first threshold value, the second threshold value, and the third threshold value. of at least one.
  • the transceiver unit is specifically used for:
  • the seventh embodiment of the present application provides a communication device.
  • the device includes a processor and a memory.
  • a computer program is stored in the memory.
  • the processor executes the computer program stored in the memory so that the The device performs the relay connection method described in the embodiment of the first aspect, or performs the relay connection method described in the embodiment of the second aspect.
  • the eighth embodiment of the present application provides a communication device.
  • the device includes a processor and a memory.
  • a computer program is stored in the memory.
  • the processor executes the computer program stored in the memory so that the The device executes the relay connection method described in the above embodiment of the third aspect.
  • the ninth aspect of the present application provides a communication device.
  • the device includes a processor and an interface circuit.
  • the interface circuit is used to receive code instructions and transmit them to the processor.
  • the processor is used to run the code instructions to enable the The device performs the relay connection method described in the embodiment of the first aspect, or performs the relay connection method described in the embodiment of the second aspect.
  • the tenth embodiment of the present application provides a communication device.
  • the device includes a processor and an interface circuit.
  • the interface circuit is used to receive code instructions and transmit them to the processor.
  • the processor is used to run the code instructions to make the The device executes the relay connection method described in the above embodiment of the third aspect.
  • the eleventh embodiment of the present application provides a computer-readable storage medium for storing instructions, which when executed, enable the relay connection method described in the first embodiment to be implemented, or The relay connection method described in the above embodiment of the second aspect is implemented.
  • the twelfth embodiment of the present application provides a computer-readable storage medium for storing instructions. When the instructions are executed, the relay connection method described in the second embodiment is implemented.
  • the thirteenth embodiment of the present application provides a computer program that, when run on a computer, causes the computer to perform the relay connection allocation method described in the embodiment of the first aspect, or perform the method described in the embodiment of the second aspect.
  • Relay connection method
  • the fourteenth embodiment of the present application provides a computer program that, when run on a computer, causes the computer to execute the relay connection method described in the third embodiment.
  • a relay connection method and device by sending first indication information to a second terminal device, the first indication information includes a candidate relay list; the candidate relay list includes at least one candidate relay
  • the identification of the terminal device, the at least one candidate relay terminal device is used to establish a relay connection between the first terminal device and the second terminal device, so that the first terminal device can realize the relay connection with the second terminal device, It effectively increases the link capacity of the direct communication link between terminal devices, improves communication quality, improves system communication efficiency, ensures the normal operation of communication services between terminal devices, and effectively avoids communication interruption.
  • Figure 1 is a schematic architectural diagram of a communication system provided by an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a relay connection method provided by an embodiment of the present application.
  • Figure 3 is a schematic flow chart of a relay connection method provided by an embodiment of the present application.
  • Figure 4 is a schematic flow chart of a relay connection method provided by an embodiment of the present application.
  • Figure 5 is a schematic flowchart of a relay connection method provided by an embodiment of the present application.
  • Figure 6 is a schematic flowchart of a relay connection method provided by an embodiment of the present application.
  • Figure 7 is a schematic structural diagram of a relay connection device provided by an embodiment of the present application.
  • Figure 8 is a schematic structural diagram of a relay connection device provided by an embodiment of the present application.
  • Figure 9 is a schematic structural diagram of a relay connection device provided by an embodiment of the present application.
  • Figure 10 is a schematic structural diagram of another relay connection device provided by an embodiment of the present application.
  • Figure 11 is a schematic structural diagram of a chip provided by an embodiment of the present application.
  • first, second, third, etc. may be used to describe various information in the embodiments of this application, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other.
  • first information may also be called second information, and similarly, the second information may also be called first information.
  • the words "if” and “if” as used herein may be interpreted as "when” or "when” or “in response to determining.”
  • Figure 1 is a schematic architectural diagram of a communication system provided by an embodiment of the present application.
  • the communication system may include but is not limited to a network device, a first terminal device, a second terminal device, and a third terminal device.
  • the number and form of devices shown in Figure 1 are only for examples and do not constitute a limitation of the embodiments of the present application.
  • the actual application may include two or more network devices, two or more first terminal devices, and two or more second terminal devices.
  • the communication system shown in Figure 1 includes a network device 101, a first terminal device 102, a second terminal device 103 and a third terminal device 104 as an example.
  • LTE Long Term Evolution
  • 5G new air interface system 5G new air interface system
  • other future new mobile communication systems 5G new air interface system
  • the network device 101 in the embodiment of this application is an entity on the network side that is used to transmit or receive signals.
  • the network device 101 may be an evolved base station (EvolvedNodeB, eNB), a transmission point (Transmission Reception Point, TRP), a next generation base station (Next Generation NodeB, gNB) in an NR system, or other base stations in future mobile communication systems. Or access nodes in wireless fidelity (Wireless Fidelity, WiFi) systems, etc.
  • the embodiments of this application do not limit the specific technology and specific equipment form used by the network equipment.
  • the network equipment provided by the embodiments of this application may be composed of a centralized unit (Central Unit, CU) and a distributed unit (Distributed Unit, DU).
  • the CU may also be called a control unit (Control Unit), using CU-DU.
  • Control Unit Control Unit
  • the structure can separate the protocol layers of network equipment, such as base stations, and place some protocol layer functions under centralized control on the CU. The remaining part or all protocol layer functions are distributed in the DU, and the CU centrally controls the DU.
  • the first terminal device 102, the second terminal device 103 and the relay terminal device 104 in the embodiment of this application are entities on the user side that are used to receive or transmit signals, such as a mobile phone.
  • Terminal equipment can also be called terminal equipment (terminal), user equipment (user equipment, UE), mobile station (Mobile Station, MS), mobile terminal equipment (Mobile Terminal, MT), etc.
  • Terminal devices can be cars with communication functions, smart cars, mobile phones, wearable devices, tablets (Pad), computers with wireless transceiver functions, virtual reality (Virtual Reality, VR) terminal devices, augmented reality ( AugmentedReality (AR) terminal equipment, wireless terminal equipment in industrial control (Industrial Control), wireless terminal equipment in self-driving (Self-Driving), wireless terminal equipment in remote surgery (Remote Medical Surgery), smart grid (Smart Wireless terminal equipment in Grid, wireless terminal equipment in Transportation Safety, wireless terminal equipment in Smart City, wireless terminal equipment in Smart Home, etc.
  • the embodiments of this application do not limit the specific technology and specific equipment form used by the terminal equipment.
  • a sidelink communication method is introduced, and the communication interface between terminal devices is PC-5. According to the corresponding relationship between the sending terminal device and the receiving terminal device, three transmission methods are supported on the sidelink: unicast, multicast and broadcast.
  • a terminal device when a terminal device communicates with a network device, it can establish a communication connection with the network device through a relay of another terminal device.
  • the connection through the relay can expand the coverage of the wireless network, eliminate or reduce communication blind spots, and obtain better results. High link capacity.
  • the first terminal device 102 and the second terminal device 103 communicate directly through the sidelink.
  • the first terminal device 102 may not be directly connected to the second terminal device 103, but may be connected to the second terminal device 103 through the relay of another terminal device, that is, the third terminal device 104.
  • the first terminal device 102 and the second terminal device 103 are called remote terminal devices, and the third terminal device 104 that provides the relay function is called a relay terminal device. It should be noted that the above-mentioned terminal devices all communicate with each other through sidelink unicast.
  • Figure 2 is a schematic flowchart of a relay connection method provided by an embodiment of the present application. It should be noted that the relay connection method in the embodiment of the present application is executed by the first terminal device. This method can be executed independently or in conjunction with any other embodiment of the present application. As shown in Figure 2, the method may include the following steps:
  • Step 201 Send first indication information to the second terminal device.
  • the first indication information includes a candidate relay list; the candidate relay list includes an identification of at least one candidate relay terminal device.
  • the at least one candidate relay terminal device Used to establish a relay connection between the first terminal device and the second terminal device.
  • a unicast connection has been established between the first terminal device and the second terminal device.
  • the first terminal device and the second terminal device may be directly connected, or may be connected through a service relay device. connected.
  • the first terminal device can send the first indication information carrying the candidate relay list to the second terminal device.
  • the candidate relay list includes an identification of at least one candidate relay terminal device.
  • the second terminal device After receiving the first indication information, the second terminal device can determine at least one candidate relay terminal device according to the first indication information.
  • the at least one candidate relay terminal device is used to establish a relay connection between the first terminal device and the second terminal device, that is, the first terminal device and the second terminal device can be connected through the at least one candidate relay terminal device.
  • the connection is made through the relay of the terminal device.
  • the at least one candidate relay terminal device meets at least one of the following conditions, that is, the at least one candidate relay terminal device in the candidate relay list can be determined by at least one of the following conditions. :
  • the channel measurement value with the first terminal device is higher than the first threshold value
  • the channel measurement value between the first terminal device and the first terminal device is higher than the sum of the channel measurement value between the first terminal device and the second terminal device and the first offset value;
  • the channel measurement value between the first terminal equipment and the first terminal equipment is higher than the sum of the channel measurement value between the first terminal equipment and the serving relay terminal equipment and the second offset value.
  • the service relay terminal device refers to a terminal device that has provided a relay function for the connection between terminal devices.
  • the at least one candidate relay terminal device has the ability to establish a connection with the second terminal device, which can be determined by the discovery signal of the candidate relay terminal device carrying the identity of the second terminal device. of. That is, if the discovery signal of a terminal device carries the identification of the second terminal device, it is determined that the terminal device has the ability to establish a connection with the second terminal device.
  • the first terminal device discovers at least one relay terminal device, and the first terminal device can discover at least one relay terminal device through a discovery signal.
  • the first indication information may also include channel measurement values of the first terminal device and the at least one candidate terminal device.
  • the first indication information may also include a channel measurement value between the first terminal device and the second terminal device, or a channel measurement value between the first terminal device and the service relay terminal device.
  • the first indication information includes the channel measurement value between the first terminal device and the second terminal device; if the first terminal device and the second terminal device The second terminal devices are connected through the service relay terminal device, and the first indication information includes the channel measurement value between the first terminal device and the service relay terminal device.
  • the channel measurement value can be the reference signal receiving power SD-RSRP (sidelink discovery signal-Reference Signal Receiving Power) of the sidelink discovery signal, or it can also be the sidelink communication
  • the reference signal receiving power of the signal SL-RSRP sidelink-Reference Signal Receiving Power
  • the first terminal device sends the first indication information to the second terminal device in response to satisfying the first condition.
  • the first condition includes at least one of the following:
  • the channel measurement value between the first terminal device and the second terminal device is lower than the second threshold value
  • the channel measurement value between the first terminal device and the service relay terminal device is lower than the third threshold value
  • the channel measurement value between the first terminal device and at least one candidate relay terminal device is higher than the first threshold value
  • the channel measurement value between the first terminal equipment and at least one candidate relay terminal equipment is higher than the sum of the channel measurement value between the first terminal equipment and the second terminal equipment and the first offset value;
  • the channel measurement value between the first terminal device and at least one candidate relay terminal device is higher than the sum of the channel measurement value between the first terminal device and the serving relay terminal device and the second offset value.
  • the first terminal device responds to receiving the second indication information sent by the second terminal device, and sends the first indication information to the second terminal device, wherein the second indication information is used to indicate the The first terminal device sends the candidate relay list.
  • the first terminal device responds to receiving the third indication information sent by the service relay terminal device and sends the first indication information to the second terminal device, wherein the third indication information is used to indicate the The first terminal device sends the candidate relay list.
  • the first terminal device may receive at least one of the first offset value, the second offset value, the first threshold value, the second threshold value, and the third threshold value sent by the second terminal device. one.
  • the first terminal device may receive the first offset value, the second offset value, the first threshold value, the second threshold value, and the third threshold value sent by the service relay terminal device. at least one.
  • the first terminal device may determine at least one of the first offset value, the second offset value, the first threshold value, the second threshold value, and the third threshold value according to the resource pool configuration information. .
  • the resource pool configuration information may be determined based on the broadcast of the network device, or may be determined based on the configuration information sent by the network device.
  • the first terminal device may receive at least one of the first offset value, the second offset value, the first threshold value, the second threshold value, and the third threshold value sent by the network terminal device. .
  • the first terminal device may receive a broadcast message sent by the network device, the broadcast message carrying the first offset value, the second offset value, the first threshold value, the second threshold value, and the third threshold value. At least one of the limits.
  • the first terminal device may also receive the first signaling corresponding to the first terminal device sent by the network device, where the first signaling carries the first offset value, the second offset value, and the first threshold value, at least one of the second threshold value and the third threshold value.
  • the first signaling may include multiple second threshold values, and different second terminal devices may correspond to different second threshold values; similarly, the first signaling may also include There are multiple third threshold values, and different service relay terminal devices can correspond to different third threshold values.
  • the first signaling may also include multiple first offset values, and different second terminal devices may correspond to different second offset values; the first signaling may also include multiple second offset values, Different service relay terminal devices may correspond to different second offset values.
  • first terminal devices will correspond to different first signalings, which carry a first offset value, a second offset value, a first threshold value, a second threshold value, and a third threshold value. At least one of can be different. That is to say, the network device can configure different offset values and threshold values for different first terminal devices through signaling dedicated to the first terminal device, and different first terminal devices can correspond to different first thresholds. Worth waiting.
  • the first terminal device can determine at least one of the first offset value, the second offset value, the first threshold value, the second threshold value, and the third threshold value by itself.
  • each of the first offset value, the second offset value, the first threshold value, the second threshold value, and the third threshold value can be determined by any of the above-mentioned implementations. species to determine.
  • the first terminal device can also receive fourth indication information sent by the second terminal device, where the fourth indication information carries the identification of the target relay terminal device determined by the second terminal device.
  • the target relay terminal device is included in the at least one candidate relay terminal device.
  • the target terminal device may also be determined by the second terminal device and not included in the at least one candidate relay terminal device.
  • the first terminal device after receiving the fourth indication information sent by the second terminal device, can send the confirmation indication information to the second terminal device.
  • the first terminal device after receiving the fourth indication information sent by the second terminal device, can establish a connection with the target relay terminal device.
  • the first terminal device after receiving the fourth indication information sent by the second terminal device, can establish a connection with the second terminal device through the target relay terminal device.
  • the first terminal device in response to the failure of the first terminal device to establish a connection with the target relay terminal device, the first terminal device sends rejection indication information to the second terminal device.
  • the first indication information includes a candidate relay list;
  • the candidate relay list includes an identification of at least one candidate relay terminal device, and the at least one candidate relay terminal
  • the device is used to establish a relay connection between the first terminal device and the second terminal device, so that the first terminal device can realize the relay connection with the second terminal device, effectively improving the direct communication link between the terminal devices.
  • Link capacity improve communication quality, improve system communication efficiency, ensure the normal operation of communication services between terminal devices, and effectively avoid communication interruptions.
  • Figure 3 is a schematic flowchart of a relay connection method provided by an embodiment of the present application. It should be noted that the relay connection method in the embodiment of the present application is executed by the first terminal device. This method can be executed independently or in conjunction with any other embodiment of the present application. As shown in Figure 3, the method may include the following steps:
  • Step 301 In response to satisfying the first condition, send first indication information to the second terminal device.
  • the first indication information includes a candidate relay list; the candidate relay list includes an identification of at least one candidate relay terminal device, and the at least one candidate relay terminal device is used to establish the first terminal device and the second terminal device. Relay connections between end devices.
  • a unicast connection has been established between the first terminal device and the second terminal device.
  • the first terminal device and the second terminal device may be directly connected, or may be connected through a service relay device. connected.
  • the first indication information may also include channel measurement values of the first terminal device and the at least one candidate terminal device.
  • the first indication information may also include a channel measurement value between the first terminal device and the second terminal device, or a channel measurement value between the first terminal device and the service relay terminal device.
  • the first condition includes at least one of the following:
  • the channel measurement value between the first terminal device and the second terminal device is lower than the second threshold value
  • the channel measurement value between the first terminal device and the service relay terminal device is lower than the third threshold value
  • the channel measurement value between the first terminal device and at least one candidate relay terminal device is higher than the first threshold value
  • the channel measurement value between the first terminal equipment and at least one candidate relay terminal equipment is higher than the sum of the channel measurement value between the first terminal equipment and the second terminal equipment and the first offset value;
  • the channel measurement value between the first terminal device and at least one candidate relay terminal device is higher than the sum of the channel measurement value between the first terminal device and the serving relay terminal device and the second offset value.
  • the first condition may also be: receiving second indication information sent by the second terminal device, where the second indication information is used to instruct the first terminal device to send the candidate relay list. That is, the first terminal device responds to receiving the second instruction information sent by the second terminal device, and sends the first instruction information to the second terminal device.
  • the first condition may also be: receiving third indication information sent by the serving relay terminal device, where the third indication information is used to instruct the first terminal device to send the candidate relay list. That is, the first terminal device responds to receiving the third indication information sent by the service relay terminal device, and sends the first indication information to the second terminal device.
  • the satisfaction of the first condition can trigger the first terminal device to send the first indication information, that is, to send a candidate relay list to the second terminal device.
  • the candidate relay list includes at least one candidate relay. The identification of the terminal device.
  • the first condition includes at least one of the above, that is, satisfying one of the above conditions can trigger the first terminal device to send the first indication information, or satisfying multiple of the above conditions can trigger the first The terminal device sends the first indication information.
  • the channel measurement value may be the reference signal received power SD-RSRP of the sidelink discovery signal, or may be the reference signal received power SL-RSRP of the sidelink communication signal.
  • the first terminal device may receive at least one of the first offset value, the second offset value, the first threshold value, the second threshold value, and the third threshold value sent by the second terminal device. one.
  • the first terminal device may receive the first offset value, the second offset value, the first threshold value, the second threshold value, and the third threshold value sent by the service relay terminal device. at least one.
  • the first terminal device may determine at least one of the first offset value, the second offset value, the first threshold value, the second threshold value, and the third threshold value according to the resource pool configuration information. .
  • the resource pool configuration information may be determined based on the broadcast of the network device, or may be determined based on the configuration information sent by the network device.
  • the first terminal device may receive at least one of the first offset value, the second offset value, the first threshold value, the second threshold value, and the third threshold value sent by the network terminal device. .
  • the first terminal device may receive a broadcast message sent by the network device, the broadcast message carrying the first offset value, the second offset value, the first threshold value, the second threshold value, and the third threshold value. At least one of the limits.
  • the first terminal device may also receive the first signaling corresponding to the first terminal device sent by the network device, where the first signaling carries the first offset value, the second offset value, and the first threshold value, at least one of the second threshold value and the third threshold value.
  • the first signaling may include multiple second threshold values, and different second terminal devices may correspond to different second threshold values; similarly, the first signaling may also include There are multiple third threshold values, and different service relay terminal devices can correspond to different third threshold values.
  • the first signaling may also include multiple first offset values, and different second terminal devices may correspond to different second offset values; the first signaling may also include multiple second offset values, Different service relay terminal devices may correspond to different second offset values.
  • first terminal devices will correspond to different first signalings, which carry a first offset value, a second offset value, a first threshold value, a second threshold value, and a third threshold value. At least one of them may be the same or different. That is to say, the network device can configure different offset values and threshold values for different first terminal devices through signaling dedicated to the first terminal device, and different first terminal devices can correspond to different first thresholds. Worth waiting.
  • the first terminal device can determine at least one of the first offset value, the second offset value, the first threshold value, the second threshold value, and the third threshold value by itself.
  • each of the above-mentioned first offset value, second offset value, first threshold value, second threshold value, and third threshold value can be obtained by any one of the above-mentioned implementations.
  • the at least one candidate relay terminal device is used to establish a relay connection between the first terminal device and the second terminal device, so that the first terminal device can realize the relay connection with the second terminal device, effectively improving the efficiency of the terminal device.
  • the link capacity of the direct communication link between them improves the communication quality, improves the system communication efficiency, ensures the normal communication business between terminal devices, and effectively avoids communication interruption.
  • Figure 4 is a schematic flowchart of a relay connection method provided by an embodiment of the present application. It should be noted that the relay connection method in the embodiment of the present application is executed by the first terminal device. This method can be executed independently or in conjunction with any other embodiment of the present application. As shown in Figure 4, the method may include the following steps:
  • Step 401 Send first instruction information to the second terminal device.
  • the first indication information includes a candidate relay list; the candidate relay list includes an identification of at least one candidate relay terminal device, and the at least one candidate relay terminal device is used to establish the first terminal device and the second terminal device. Relay connections between end devices.
  • step 401 can be implemented in any manner among the embodiments of the present application, which is not limited by the embodiment of the present application and will not be described again.
  • Step 402 Receive fourth indication information sent by the second terminal device, where the fourth indication information carries the identification of the target relay terminal device determined by the second terminal device.
  • the target relay terminal device may be included in the at least one candidate relay terminal device.
  • the target terminal device may also be determined by the second terminal device and not included in the at least one candidate relay terminal device.
  • the first terminal device after receiving the fourth indication information sent by the second terminal device, can send the confirmation indication information to the second terminal device.
  • the first terminal device after receiving the fourth indication information sent by the second terminal device, can establish a connection with the target relay terminal device.
  • the first terminal device after receiving the fourth indication information sent by the second terminal device, can establish a connection with the second terminal device through the target relay terminal device.
  • the first terminal device in response to the failure of the first terminal device to establish a connection with the target relay terminal device, the first terminal device sends rejection indication information to the second terminal device.
  • the first terminal device can establish a connection with the target relay terminal device, at least one of the following can be performed:
  • a connection is established with the second terminal device through the target relay terminal device.
  • the fourth indication information sent by the second terminal device is received, and the fourth indication information carries the target relay terminal device determined by the second terminal device.
  • the identification enables the first terminal device to realize a relay connection with the second terminal device, effectively increasing the link capacity of the direct communication link between terminal devices, improving communication quality, improving system communication efficiency, and ensuring communication between terminal devices.
  • the normal operation of business effectively avoids the interruption of communication.
  • Figure 5 is a schematic flowchart of a relay connection method provided by an embodiment of the present application. It should be noted that the relay connection method in the embodiment of the present application is executed by the second terminal device. This method can be executed independently or in conjunction with any other embodiment of the present application. As shown in Figure 5, the method may include the following steps:
  • Step 501 Receive first indication information sent by a first terminal device.
  • the first indication information includes a candidate relay list;
  • the candidate relay list includes an identification of at least one candidate relay terminal device.
  • the at least one candidate relay terminal device The device is used to establish a relay connection between the first terminal device and the second terminal device.
  • a unicast connection has been established between the first terminal device and the second terminal device.
  • the first terminal device and the second terminal device may be directly connected, or may be connected through a service relay device. connected.
  • the second terminal device can receive the first indication information carrying the candidate relay list sent by the first terminal device.
  • the candidate relay list includes an identification of at least one candidate relay terminal device.
  • the second terminal device can determine at least one candidate relay terminal device according to the first indication information.
  • the at least one candidate relay terminal device is used to establish a relay connection between the first terminal device and the second terminal device, that is, the first terminal device and the second terminal device can be connected through the at least one candidate relay terminal device.
  • the connection is made through the relay of the terminal device.
  • the at least one candidate relay terminal device meets at least one of the following conditions, that is, the at least one candidate relay terminal device in the candidate relay list can be determined by at least one of the following conditions. :
  • the channel measurement value with the first terminal device is higher than the first threshold value
  • the channel measurement value between the first terminal device and the first terminal device is higher than the sum of the channel measurement value between the first terminal device and the second terminal device and the first offset value;
  • the channel measurement value between the first terminal equipment and the first terminal equipment is higher than the sum of the channel measurement value between the first terminal equipment and the serving relay terminal equipment and the second offset value.
  • the service relay terminal device refers to a terminal device that has provided a relay function for the connection between terminal devices.
  • the at least one candidate relay terminal device has the ability to establish a connection with the second terminal device, which can be determined by the discovery signal of the candidate relay terminal device carrying the identity of the second terminal device. of. That is, if the discovery signal of a terminal device carries the identification of the second terminal device, it is determined that the terminal device has the ability to establish a connection with the second terminal device.
  • the first indication information may also include channel measurement values of the first terminal device and the at least one candidate terminal device.
  • the first indication information may also include a channel measurement value between the first terminal device and the second terminal device, or a channel measurement value between the first terminal device and the service relay terminal device.
  • the first indication information includes the channel measurement value between the first terminal device and the second terminal device; if the first terminal device and the second terminal device The second terminal devices are connected through the service relay terminal device, and the first indication information includes the channel measurement value between the first terminal device and the service relay terminal device.
  • the channel measurement value may be the reference signal received power SD-RSRP of the sidelink discovery signal, or may be the reference signal received power SL-RSRP of the sidelink communication signal.
  • the second terminal device may send at least one of the first offset value, the second offset value, the first threshold value, the second threshold value, and the third threshold value to the first terminal device.
  • the second threshold value and the third threshold value are used to trigger the first terminal device to send the first indication information.
  • the channel measurement value between the first terminal device and the second terminal device is lower than the second threshold value, which can trigger the first terminal device to send the first indication information.
  • the channel measurement value between the first terminal device and the service relay terminal device is lower than a third threshold value, which can trigger the first terminal device to send the first indication information.
  • the second terminal device in response to the second terminal device not receiving the first indication information sent by the first terminal device, can send the second indication information to the first terminal device, wherein the second terminal device The instruction information is used to instruct the first terminal device to send the candidate relay list.
  • the second terminal device can also send fourth indication information to the first terminal device, where the fourth indication information carries the identification of the target relay terminal device determined by the second terminal device.
  • the target relay terminal device is included in the at least one candidate relay terminal device.
  • the target terminal device may also be determined by the second terminal device and not included in the at least one candidate relay terminal device.
  • the second terminal device after the second terminal device sends the fourth indication information to the first terminal device, it can receive the confirmation indication information sent by the first terminal device. After receiving the confirmation indication information, the second terminal device can establish a connection with the first terminal device through the target relay terminal device.
  • the second terminal device in response to the failure of the first terminal device to establish a connection with the target relay terminal device, the second terminal device receives the rejection indication information sent by the first terminal device.
  • the first indication information includes a candidate relay list
  • the candidate relay list includes an identification of at least one candidate relay terminal device
  • the at least one candidate relay The terminal device is used to establish a relay connection between the first terminal device and the second terminal device, so that the first terminal device can realize the relay connection with the second terminal device, effectively improving the direct communication link between the terminal devices.
  • link capacity improve communication quality, improve system communication efficiency, ensure normal communication services between terminal devices, and effectively avoid communication interruptions.
  • Figure 6 is a schematic flowchart of a relay connection method provided by an embodiment of the present application. It should be noted that the relay connection method in the embodiment of the present application is executed by a network device. This method can be executed independently or in conjunction with any other embodiment of the present application. As shown in Figure 6, the method may include the following steps:
  • Step 601 Send at least one of the first offset value, the second offset value, the first threshold value, the second threshold value, and the third threshold value to the first terminal device.
  • the first offset value, the second offset value and the first threshold value are used to determine at least one candidate relay terminal device, and the second threshold value and the third threshold value are used to trigger the first terminal device.
  • the device sends the first indication information; the first indication information includes a candidate relay list; the candidate relay list includes the identification of the at least one candidate relay terminal device, and the at least one candidate relay terminal device is used to establish the third A terminal device is connected via a relay to the second terminal device.
  • the at least one candidate relay terminal device is consistent with: the channel measurement value between the at least one candidate relay terminal device and the first terminal device is higher than the first threshold value.
  • the at least one candidate relay terminal device meets: the channel measurement value between the at least one candidate relay terminal device and the first terminal device is higher than the channel measurement value between the first terminal device and the second terminal device. The sum of the channel measurement between devices and the first offset value.
  • the at least one candidate relay terminal device meets: the channel measurement value between the at least one candidate relay terminal device and the first terminal device is higher than the channel measurement value between the first terminal device and the serving relay terminal device. The sum between the channel measurement value and the second offset value.
  • the channel measurement value between the first terminal device and the second terminal device is lower than the second threshold value, which can trigger the first terminal device to send the first indication information.
  • the channel measurement value between the first terminal device and the service relay terminal device is lower than a third threshold value, which can trigger the first terminal device to send the first indication information.
  • the network device may send a broadcast message to the first terminal device, the broadcast message carrying a first offset value, a second offset value, a first threshold value, a second threshold value, a third At least one of the threshold values.
  • the network device may send the first signaling corresponding to the first terminal device to the first terminal device, the first signaling carrying the first offset value, the second offset value, the first at least one of the threshold value, the second threshold value, and the third threshold value.
  • the first signaling may include multiple second threshold values, and different second terminal devices may correspond to different second threshold values; similarly, the first signaling may also include There are multiple third threshold values, and different service relay terminal devices can correspond to different third threshold values.
  • the first signaling may also include multiple first offset values, and different second terminal devices may correspond to different second offset values; the first signaling may also include multiple second offset values, Different service relay terminal devices may correspond to different second offset values.
  • first terminal devices will correspond to different first signalings, which carry a first offset value, a second offset value, a first threshold value, a second threshold value, and a third threshold value. At least one of can be different. That is to say, the network device can configure different offset values and threshold values for different first terminal devices through signaling dedicated to the first terminal device, and different first terminal devices can correspond to different first thresholds. Worth waiting.
  • the first terminal by sending at least one of the first offset value, the second offset value, the first threshold value, the second threshold value, and the third threshold value to the first terminal device, the first terminal can be flexibly configured.
  • the relevant information about the relay connection established by the device enables the first terminal device to realize the relay connection with the second terminal device, effectively improving the link capacity of the direct communication link between the terminal devices, improving the communication quality, and improving the system communication efficiency. , ensuring the normal operation of communication services between terminal devices and effectively avoiding interruption of communication.
  • the present application also provides a relay connection device. Since the relay connection device provided by the embodiments of the present application corresponds to the methods provided by the above-mentioned embodiments, therefore The implementation of the relay connection method is also applicable to the relay connection device provided in the following embodiments, and will not be described in detail in the following embodiments.
  • FIG. 7 is a schematic structural diagram of a relay connection device provided by an embodiment of the present application.
  • the relay connection device 700 includes: a transceiver unit 710, wherein:
  • Transceiver unit 710 configured to send the first indication information to the second terminal device
  • the first indication information includes a candidate relay list; the candidate relay list includes an identification of at least one candidate relay terminal device, and the at least one candidate relay terminal device is used to establish the first terminal device and the second terminal device. relay connection between.
  • the at least one candidate relay terminal device meets at least one of the following conditions:
  • the channel measurement value with the first terminal device is higher than the first threshold value
  • the channel measurement value between the first terminal device and the first terminal device is higher than the sum of the channel measurement value between the first terminal device and the second terminal device and the first offset value;
  • the channel measurement value between the first terminal equipment and the first terminal equipment is higher than the sum of the channel measurement value between the first terminal equipment and the serving relay terminal equipment and the second offset value.
  • the first indication information includes channel measurement values of the first terminal device and the at least one candidate terminal device.
  • the first indication information includes a channel measurement value between the first terminal device and the second terminal device, or between the first terminal device and the service relay terminal device.
  • the transceiver unit 710 is specifically used for:
  • the first condition includes at least one of the following:
  • the channel measurement value between the first terminal device and the second terminal device is lower than the second threshold value
  • the channel measurement value between the first terminal device and the service relay terminal device is lower than the third threshold value
  • the channel measurement value between the first terminal device and at least one candidate relay terminal device is higher than the first threshold value
  • the channel measurement value between the first terminal equipment and at least one candidate relay terminal equipment is higher than the sum of the channel measurement value between the first terminal equipment and the second terminal equipment and the first offset value;
  • the channel measurement value between the first terminal device and at least one candidate relay terminal device is higher than the sum of the channel measurement value between the first terminal device and the serving relay terminal device and the second offset value.
  • the transceiver unit 710 is specifically used for:
  • the second indication information is used to instruct the first terminal device to send the candidate relay list.
  • the transceiver unit 710 is specifically used for:
  • the third indication information is used to instruct the first terminal device to send the candidate relay list.
  • the transceiver unit 710 is also used for:
  • the transceiver unit 710 is also used for:
  • the transceiver unit 710 is also used for:
  • the resource pool configuration information is determined based on the broadcast of the network device or the configuration information sent by the network device.
  • the transceiver unit 710 is also used for:
  • the transceiver unit 710 is also used for:
  • At least one of the first offset value, the second offset value, the first threshold value, the second threshold value, and the third threshold value is determined.
  • the channel measurement value is the reference signal received power SD-RSRP of the sidelink discovery signal, or the reference signal received power SL-RSRP of the sidelink communication signal.
  • the transceiver unit 710 is also used for:
  • the fourth indication information carries the identification of the target relay terminal device determined by the second terminal device.
  • the transceiver unit 710 is also used for:
  • the transceiver unit 710 is also used for:
  • the transceiver unit 710 is also used for:
  • a connection is established with the second terminal device through the target relay terminal device.
  • the transceiver unit 710 is also used for:
  • rejection indication information is sent to the second terminal.
  • the relay connection device of this embodiment can send first indication information to the second terminal device, where the first indication information includes a candidate relay list; the candidate relay list includes the identification of at least one candidate relay terminal device, The at least one candidate relay terminal device is used to establish a relay connection between the first terminal device and the second terminal device, so that the first terminal device can realize the relay connection with the second terminal device, effectively improving the efficiency of the terminal device.
  • the link capacity of the direct communication link between them improves the communication quality, improves the system communication efficiency, ensures the normal communication business between terminal devices, and effectively avoids communication interruption.
  • FIG. 8 is a schematic structural diagram of a relay connection device provided by an embodiment of the present application.
  • the relay connection device 800 includes: a transceiver unit 810, wherein:
  • Transceiver unit 810 configured to receive the first indication information sent by the first terminal device
  • the first indication information includes a candidate relay list; the candidate relay list includes an identification of at least one candidate relay terminal device, and the at least one candidate relay terminal device is used to establish the first terminal device and the second terminal device. relay connection between.
  • the at least one candidate relay terminal device meets at least one of the following conditions:
  • the channel measurement value with the first terminal device is higher than the first threshold value
  • the channel measurement value between the first terminal device and the first terminal device is higher than the sum of the channel measurement value between the first terminal device and the second terminal device and the first offset value;
  • the channel measurement value between the first terminal equipment and the first terminal equipment is higher than the sum of the channel measurement value between the first terminal equipment and the serving relay terminal equipment and the second offset value.
  • the first indication information includes channel measurement values of the first terminal device and the at least one candidate terminal device.
  • the first indication information includes a channel measurement value between the first terminal device and the second terminal device, or between the first terminal device and the service relay terminal device.
  • the transceiver unit 810 is also used for:
  • the second threshold value and the third threshold value are used to trigger the first terminal device to send the first indication information.
  • the channel measurement value is the reference signal received power SD-RSRP of the sidelink discovery signal, or the reference signal received power SL-RSRP of the sidelink communication signal.
  • the transceiver unit 810 is also used for:
  • the fourth indication information carries the identification of the target relay terminal device determined by the second terminal device from the at least one candidate relay terminal device.
  • the transceiver unit 810 is also used for:
  • a connection is established with the first terminal device through the target relay terminal device.
  • the transceiver unit 810 is also used for:
  • the transceiver unit 810 is also used for:
  • the second indication information is used to instruct the first terminal device to send the candidate relay list.
  • the relay connection device of this embodiment can receive the first indication information sent by the first terminal device.
  • the first indication information includes a candidate relay list, and the candidate relay list includes the identification of at least one candidate relay terminal device.
  • the at least one candidate relay terminal device is used to establish a relay connection between the first terminal device and the second terminal device, so that the first terminal device can realize the relay connection with the second terminal device, effectively improving the terminal
  • the link capacity of the direct communication link between devices improves communication quality, improves system communication efficiency, ensures the normal conduct of communication services between terminal devices, and effectively avoids communication interruptions.
  • FIG. 9 is a schematic structural diagram of a relay connection device provided by an embodiment of the present application.
  • the relay connection device 900 includes: a transceiver unit 910, wherein:
  • the transceiver unit 910 is configured to send at least one of the first offset value, the second offset value, the first threshold value, the second threshold value, and the third threshold value to the first terminal device;
  • the first offset value, the second offset value and the first threshold value are used to determine at least one candidate relay terminal device, and the second threshold value and the third threshold value are used to trigger the first terminal device Send the first indication information;
  • the first indication information includes a candidate relay list;
  • the candidate relay list includes the identity of the at least one candidate relay terminal device, and the at least one candidate relay terminal device is used to establish the first Relay connection between the terminal device and the second terminal device.
  • the transceiver unit 910 is specifically used for:
  • the broadcast message carrying at least one of the first offset value, the second offset value, the first threshold value, the second threshold value, and the third threshold value.
  • the transceiver unit 910 is specifically used for:
  • the first signaling carrying the first offset value, the second offset value, the first threshold value, the second gate limit, at least one of the third threshold values.
  • the relay connection device of this embodiment can send at least one of the first offset value, the second offset value, the first threshold value, the second threshold value, and the third threshold value to the first terminal device. , can flexibly configure the relevant information for the first terminal device to establish a relay connection, so that the first terminal device can realize the relay connection with the second terminal device, effectively improving the link capacity of the direct communication link between the terminal devices, and improving Communication quality, improve system communication efficiency, ensure the normal operation of communication services between terminal devices, and effectively avoid communication interruptions.
  • embodiments of the present application also provide a communication device, including: a processor and a memory.
  • a computer program is stored in the memory.
  • the processor executes the computer program stored in the memory, so that the device executes the steps shown in Figure 2 to The method shown in the embodiment of Figure 4, or the method shown in the embodiment of Figure 5 is executed.
  • an embodiment of the present application also proposes a communication device, including: a processor and a memory.
  • a computer program is stored in the memory.
  • the processor executes the computer program stored in the memory, so that the device executes the implementation in Figure 6 The method shown in the example.
  • embodiments of the present application also provide a communication device, including: a processor and an interface circuit.
  • the interface circuit is used to receive code instructions and transmit them to the processor.
  • the processor is used to run the code instructions to Execute the method shown in the embodiment of Figures 2 to 4, or perform the method shown in the embodiment of Figure 5.
  • embodiments of the present application also provide a communication device, including: a processor and an interface circuit, the interface circuit is used to receive code instructions and transmit them to the processor, and the processor is used to run the code instructions to The method shown in the embodiment of Figure 6 is executed.
  • FIG. 10 is a schematic structural diagram of another relay connection device provided by an embodiment of the present application.
  • the relay connection device 1000 may be a network device, a terminal device, a chip, a chip system, a processor, etc. that supports a network device to implement the above method, or a chip or a chip system that supports a terminal device to implement the above method. , or processor, etc.
  • the device can be used to implement the method described in the above method embodiment. For details, please refer to the description in the above method embodiment.
  • the relay connection device 1000 may include one or more processors 1001.
  • the processor 1001 may be a general-purpose processor or a special-purpose processor, or the like.
  • it can be a baseband processor or a central processing unit.
  • the baseband processor can be used to process communication protocols and communication data
  • the central processor can be used to control and execute relay connection devices (such as base stations, baseband chips, terminal equipment, terminal equipment chips, DU or CU, etc.)
  • a computer program processes data for a computer program.
  • the relay connection device 1000 may also include one or more memories 1002, on which a computer program 1003 may be stored.
  • the processor 1001 executes the computer program 1003, so that the relay connection device 1000 executes the above method embodiments. described method.
  • the computer program 1003 may be solidified in the processor 1001, in which case the processor 1001 may be implemented by hardware.
  • the memory 1002 may also store data.
  • the relay connection device 1000 and the memory 1002 can be provided separately or integrated together.
  • the relay connection device 1000 may also include a transceiver 1005 and an antenna 1006.
  • the transceiver 1005 may be called a transceiver unit, a transceiver, a transceiver circuit, etc., and is used to implement transceiver functions.
  • the transceiver 1005 may include a receiver and a transmitter.
  • the receiver may be called a receiver or a receiving circuit, etc., used to implement the receiving function;
  • the transmitter may be called a transmitter, a transmitting circuit, etc., used to implement the transmitting function.
  • the relay connection device 1000 may also include one or more interface circuits 1007.
  • the interface circuit 1007 is used to receive code instructions and transmit them to the processor 1001 .
  • the processor 1001 executes code instructions to cause the relay connection device 1000 to perform the method described in the above method embodiment.
  • the processor 1001 may include a transceiver for implementing receiving and transmitting functions.
  • the transceiver may be a transceiver circuit, an interface, or an interface circuit.
  • the transceiver circuits, interfaces or interface circuits used to implement the receiving and transmitting functions can be separate or integrated together.
  • the above-mentioned transceiver circuit, interface or interface circuit can be used for reading and writing codes/data, or the above-mentioned transceiver circuit, interface or interface circuit can be used for signal transmission or transfer.
  • the relay connection device 1000 may include a circuit, and the circuit may implement the sending or receiving or communication functions in the foregoing method embodiments.
  • the processor and transceiver described in this application can be implemented in integrated circuits (ICs), analog ICs, radio frequency integrated circuits RFICs, mixed signal ICs, application specific integrated circuits (ASICs), printed circuit boards ( printed circuit board (PCB), electronic equipment, etc.
  • the processor and transceiver can also be manufactured using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), n-type metal oxide-semiconductor (NMOS), P-type Metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
  • CMOS complementary metal oxide semiconductor
  • NMOS n-type metal oxide-semiconductor
  • PMOS P-type Metal oxide semiconductor
  • BJT bipolar junction transistor
  • BiCMOS bipolar CMOS
  • SiGe silicon germanium
  • GaAs gallium arsenide
  • the relay connection device described in the above embodiments may be a network device or a terminal device, but the scope of the relay connection device described in this application is not limited thereto, and the structure of the relay connection device may not be as shown in Figures 7-9 limits.
  • the relay connection device may be a stand-alone device or may be part of a larger device.
  • the relay connection device can be:
  • the IC collection may also include storage components for storing data and computer programs;
  • the relay connection device can be a chip or a chip system
  • the schematic structural diagram of the chip shown in FIG. 11 refer to the schematic structural diagram of the chip shown in FIG. 11 .
  • the chip shown in Figure 11 includes a processor 1101 and an interface 1102.
  • the number of processors 1101 may be one or more, and the number of interfaces 1102 may be multiple.
  • Interface 1102 for code instructions and transmission to the processor
  • the processor 1101 is configured to run code instructions to perform the methods shown in Figures 2 to 4, or to perform the method shown in Figure 5.
  • Interface 1102 for code instructions and transmission to the processor
  • the processor 1101 is used to run code instructions to perform the method as shown in Figure 6.
  • the chip also includes a memory 1103, which is used to store necessary computer programs and data.
  • Embodiments of the present application also provide a communication system that includes a relay connection device as a terminal device and a relay connection device as a network device in the aforementioned embodiments of FIGS. 7-9 , or the system includes the aforementioned embodiment of FIG. 10
  • a relay connection device is used as a terminal device and a relay connection device is used as a network device.
  • This application also provides a readable storage medium on which instructions are stored. When the instructions are executed by a computer, the functions of any of the above method embodiments are implemented.
  • This application also provides a computer program product, which, when executed by a computer, implements the functions of any of the above method embodiments.
  • a computer program product includes one or more computer programs.
  • the computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer program may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer program may be transmitted from a website, computer, server or data center via a wireline (e.g.
  • Coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless means to transmit to another website, computer, server or data center.
  • Computer-readable storage media can be any available media that can be accessed by a computer or a data storage device such as a server, data center, or other integrated media that contains one or more available media. Available media may be magnetic media (e.g., floppy disks, hard disks, tapes), optical media (e.g., high-density digital video discs (DVD)), or semiconductor media (e.g., solid state disks (SSD)) )wait.
  • magnetic media e.g., floppy disks, hard disks, tapes
  • optical media e.g., high-density digital video discs (DVD)
  • semiconductor media e.g., solid state disks (SSD)
  • At least one in this application can also be described as one or more, and the plurality can be two, three, four or more, which is not limited by this application.
  • the technical feature is distinguished by “first”, “second”, “third”, “A”, “B”, “C” and “D”, etc.
  • the technical features described in “first”, “second”, “third”, “A”, “B”, “C” and “D” are in no particular order or order.
  • the corresponding relationships shown in each table in this application can be configured or predefined.
  • the values of the information in each table are only examples and can be configured as other values, which are not limited by this application.
  • the corresponding relationships shown in some rows may not be configured.
  • appropriate deformation adjustments can be made based on the above table, such as splitting, merging, etc.
  • the names of the parameters shown in the titles of the above tables may also be other names understandable by the communication device, and the values or expressions of the parameters may also be other values or expressions understandable by the communication device.
  • other data structures can also be used, such as arrays, queues, containers, stacks, linear lists, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables or hash tables. wait.
  • Predefinition in this application can be understood as definition, pre-definition, storage, pre-storage, pre-negotiation, pre-configuration, solidification, or pre-burning.

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Abstract

本申请实施例公开了一种中继连接方法及装置,通过向第二终端设备发送第一指示信息,该第一指示信息包括候选中继列表;该候选中继列表中包括至少一个候选中继终端设备的标识,该至少一个候选中继终端设备用于建立该第一终端设备与该第二终端设备之间中继连接,使得第一终端设备能够实现与第二终端设备的中继连接,有效提高了终端设备之间直接通信链路的链路容量,提高通信质量,提升系统通信效率,保证终端设备之间通信业务的正常进行,有效避免了通信的中断。

Description

中继连接方法及装置 技术领域
本申请涉及通信技术领域,特别是指一种中继连接方法及装置。
背景技术
在通信系统中,为了支持终端设备与终端设备之间的直接通信,引入了侧行链路(sidelink)的通信方式,终端设备之间的通信接口为PC-5。
相关技术中,终端设备在与网络设备通信时,能够通过另外一个终端设备的中继与网络设备建立通信连接,通过中继的连接能够扩展无线网络的覆盖范围,消除或减少通信盲点,获得更高的链路容量。基于此,当两个终端设备之间的无线信道质量变差时,考虑可以通过一个中继终端设备来继续保持两个终端设备之间的通信。
发明内容
本申请第一方面实施例提出了一种中继连接方法,所述方法由第一终端设备执行,所述方法包括:
向第二终端设备发送第一指示信息;
所述第一指示信息包括候选中继列表;所述候选中继列表中包括至少一个候选中继终端设备的标识,所述至少一个候选中继终端设备用于建立所述第一终端设备与所述第二终端设备之间中继连接。
可选地,所述至少一个候选中继终端设备符合以下条件中的至少一种:
属于第一终端设备发现的至少一个中继终端设备;
不属于服务中继终端设备;
与所述第一终端设备之间的信道测量值高于第一门限值;
具有与第二终端设备建立连接的能力;
与所述第一终端设备之间的信道测量值,高于所述第一终端设备与所述第二终端设备之间的信道测量值和第一偏移值的和;
与所述第一终端设备之间的信道测量值,高于所述第一终端设备与服务中继终端设备之间的信道测量值和第二偏移值的和。
可选地,所述第一指示信息包括所述第一终端设备与所述至少一个候选终端设备的信道测量值。
可选地,所述第一指示信息包括所述第一终端设备与所述第二终端设备之间,或所述第一终端设备与服务中继终端设备之间的信道测量值。
可选地,所述向第二终端设备发送第一指示信息,包括:
响应于满足第一条件,向所述第二终端设备发送所述第一指示信息;
所述第一条件包括以下至少一种:
所述第一终端设备与所述第二终端设备之间的信道测量值低于第二门限值;
所述第一终端设备与服务中继终端设备之间的信道测量值低于第三门限值;
所述第一终端设备与至少一个候选中继终端设备之间的信道测量值高于第一门限值;
所述第一终端设备与至少一个候选中继终端设备之间的信道测量值,高于所述第一终端设备与所述第二终端设备之间的信道测量值和第一偏移值的和;
所述第一终端设备与至少一个候选中继终端设备之间的信道测量值,高于所述第一终端设备与服务中继终端设备之间的信道测量值和第二偏移值的和。
可选地,所述向第二终端设备发送第一指示信息,包括:
响应于接收到所述第二终端设备发送的第二指示信息,向所述第二终端设备发送所述第一指示信息;
所述第二指示信息用于指示所述第一终端设备发送所述候选中继列表。
可选地,所述向第二终端设备发送第一指示信息,包括:
响应于接收到服务中继终端设备发送的第三指示信息,向所述第二终端设备发送所述第一指示信息;
所述第三指示信息用于指示所述第一终端设备发送所述候选中继列表。
可选地,所述方法还包括:
接收所述第二终端设备发送的所述第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
可选地,所述方法还包括:
接收服务中继终端设备发送的所述第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
可选地,所述方法还包括:
根据资源池配置信息确定所述第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个;
其中,所述资源池配置信息,是根据网络设备的广播或者网络设备发送的配置信息确定的。
可选地,所述方法还包括:
接收网络终端设备发送的所述第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
可选地,所述方法还包括:
确定所述第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
可选地,所述信道测量值为侧行链路发现信号的参考信号接收功率SD-RSRP,或者为侧行链路通信信号的参考信号接收功率SL-RSRP。
可选地,所述方法还包括:
接收所述第二终端设备发送的第四指示信息;
所述第四指示信息携带所述第二终端设备确定的目标中继终端设备的标识。
可选地,所述方法还包括:
向所述第二终端设备发送确认指示信息。
可选地,所述方法还包括:
与所述目标中继终端设备建立连接。
可选地,所述方法还包括:
通过所述目标中继终端设备与所述第二终端设备建立连接。
可选地,所述方法还包括:
响应于所述第一终端设备与所述目标中继终端设备建立连接失败,向所述第二终端发送拒绝指示信息。
本申请第二方面实施例提出了一种中继连接方法,所述方法由第二终端设备执行,所述方法包括:
接收第一终端设备发送的第一指示信息;
所述第一指示信息包括候选中继列表;所述候选中继列表中包括至少一个候选中继终端设备的标识,所述至少一个候选中继终端设备用于建立所述第一终端设备与所述第二终端设备之间中继连接。
可选地,所述至少一个候选中继终端设备符合以下条件中的至少一种:
属于第一终端设备发现的至少一个中继终端设备;
不属于服务中继终端设备;
与所述第一终端设备之间的信道测量值高于第一门限值;
具有与第二终端设备建立连接的能力;
与所述第一终端设备之间的信道测量值,高于所述第一终端设备与所述第二终端设备之间的信道测量值和第一偏移值的和;
与所述第一终端设备之间的信道测量值,高于所述第一终端设备与服务中继终端设备之间的信道测量值和第二偏移值的和。
可选地,所述第一指示信息包括所述第一终端设备与所述至少一个候选终端设备的信道测量值。
可选地,所述第一指示信息包括所述第一终端设备与所述第二终端设备之间,或所述第一终端设备与服务中继终端设备之间的信道测量值。
可选地,所述方法还包括:
向所述第一终端设备发送的所述第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个;
所述第二门限值和所述第三门限值用于触发所述第一终端设备发送所述第一指示信息。
可选地,所述信道测量值为侧行链路发现信号的参考信号接收功率SD-RSRP,或者为侧行链路通信信号的参考信号接收功率SL-RSRP。
可选地,所述方法还包括:
向所述第一终端设备发送第四指示信息;
所述第四指示信息携带所述第二终端设备确定的目标中继终端设备的标识。
可选地,所述方法还包括:
接收所述第一终端设备发送的确认指示信息;
通过所述目标中继终端设备与所述第一终端设备建立连接。
可选地,所述方法还包括:
响应于所述第一终端设备与所述目标中继终端设备建立连接失败,接收所述第一终端发送的拒绝指示信息。
可选地,所述方法还包括:
响应于未接收到所述第一终端设备发送的所述第一指示信息,向所述第一终端设备发送第二指示信息;
所述第二指示信息用于指示所述第一终端设备发送所述候选中继列表。
本申请第三方面实施例提出了一种中继连接方法,所述方法由网络设备执行,所述方法包括:
向第一终端设备发送第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个;
所述第一偏移值,第二偏移值和第一门限值用于确定至少一个候选中继终端设备,所述第二门限值和所述第三门限值用于触发所述第一终端设备发送所述第一指示信息;所述第一指示信息包括候选中继列表;所述候选中继列表中包括所述至少一个候选中继终端设备的标识,所述至少一个候选中继终端设备用于建立所述第一终端设备与所述第二终端设备之间中继连接。
可选地,所述向第一终端设备发送第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个,包括:
向所述第一终端设备发送广播消息,所述广播消息中携带有所述第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
可选地,所述向第一终端设备发送第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个,包括:
向所述第一终端设备发送与所述第一终端设备对应的第一信令,所述第一信令中携带有所述第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
本申请第四方面实施例提出了一种中继连接装置,所述装置应用于第一终端设备,所述装置包括:
收发单元,用于向第二终端设备发送第一指示信息;
所述第一指示信息包括候选中继列表;所述候选中继列表中包括至少一个候选中继终端设备的标识,所述至少一个候选中继终端设备用于建立所述第一终端设备与所述第二终端设备之间中继连接。
可选地,所述至少一个候选中继终端设备符合以下条件中的至少一种:
属于第一终端设备发现的至少一个中继终端设备;
不属于服务中继终端设备;
与所述第一终端设备之间的信道测量值高于第一门限值;
具有与第二终端设备建立连接的能力;
与所述第一终端设备之间的信道测量值,高于所述第一终端设备与所述第二终端设备之间的信道测量值和第一偏移值的和;
与所述第一终端设备之间的信道测量值,高于所述第一终端设备与服务中继终端设备之间的信道测量值和第二偏移值的和。
可选地,所述第一指示信息包括所述第一终端设备与所述至少一个候选终端设备的信道测量值。
可选地,所述第一指示信息包括所述第一终端设备与所述第二终端设备之间,或所述第一终端设备与服务中继终端设备之间的信道测量值。
可选地,所述收发单元具体用于:
响应于满足第一条件,向所述第二终端设备发送所述第一指示信息;
所述第一条件包括以下至少一种:
所述第一终端设备与所述第二终端设备之间的信道测量值低于第二门限值;
所述第一终端设备与服务中继终端设备之间的信道测量值低于第三门限值;
所述第一终端设备与至少一个候选中继终端设备之间的信道测量值高于第一门限值;
所述第一终端设备与至少一个候选中继终端设备之间的信道测量值,高于所述第一终端设备与所述第二终端设备之间的信道测量值和第一偏移值的和;
所述第一终端设备与至少一个候选中继终端设备之间的信道测量值,高于所述第一终端设备与服务中继终端设备之间的信道测量值和第二偏移值的和。
可选地,所述收发单元具体用于:
响应于接收到所述第二终端设备发送的第二指示信息,向所述第二终端设备发送所述第一指示信息;
可选地,所述收发单元具体用于:
响应于所述第二指示信息用于指示所述第一终端设备发送所述候选中继列表。
接收到服务中继终端设备发送的第三指示信息,向所述第二终端设备发送所述第一指示信息;
所述第三指示信息用于指示所述第一终端设备发送所述候选中继列表。
可选地,所述收发单元还用于:
接收所述第二终端设备发送的所述第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
可选地,所述收发单元还用于:
接收服务中继终端设备发送的所述第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
可选地,所述收发单元还用于:
根据资源池配置信息确定所述第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个;
其中,所述资源池配置信息,是根据网络设备的广播或者网络设备发送的配置信息确定的。
可选地,所述收发单元还用于:
接收网络终端设备发送的所述第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
可选地,所述收发单元还用于:
确定所述第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
可选地,所述信道测量值为侧行链路发现信号的参考信号接收功率SD-RSRP,或者为侧行链路通信信号的参考信号接收功率SL-RSRP。
可选地,所述收发单元还用于:
接收所述第二终端设备发送的第四指示信息;
所述第四指示信息携带所述第二终端设备确定的目标中继终端设备的标识。
可选地,所述收发单元还用于:
向所述第二终端设备发送确认指示信息。
可选地,所述收发单元还用于:
与所述目标中继终端设备建立连接。
可选地,所述收发单元还用于:
通过所述目标中继终端设备与所述第二终端设备建立连接。
可选地,所述收发单元还用于:
响应于所述第一终端设备与所述目标中继终端设备建立连接失败,向所述第二终端发送拒绝指示信息。
本申请第五方面实施例提出了一种中继连接装置,所述装置应用于第二终端设备,所述装置包括:
收发单元,用于接收第一终端设备发送的第一指示信息;
所述第一指示信息包括候选中继列表;所述候选中继列表中包括至少一个候选中继终端设备的标识,所述至少一个候选中继终端设备用于建立所述第一终端设备与所述第二终端设备之间中继连接。
可选地,所述至少一个候选中继终端设备符合以下条件中的至少一种:
属于第一终端设备发现的至少一个中继终端设备;
不属于服务中继终端设备;
与所述第一终端设备之间的信道测量值高于第一门限值;
具有与第二终端设备建立连接的能力;
与所述第一终端设备之间的信道测量值,高于所述第一终端设备与所述第二终端设备之间的信道测量值和第一偏移值的和;
与所述第一终端设备之间的信道测量值,高于所述第一终端设备与服务中继终端设备之间的信道测量值和第二偏移值的和。
可选地,所述第一指示信息包括所述第一终端设备与所述至少一个候选终端设备的信道测量值。
可选地,所述第一指示信息包括所述第一终端设备与所述第二终端设备之间,或所述第一终端设备与服务中继终端设备之间的信道测量值。
可选地,所述收发单元还用于:
向所述第一终端设备发送的所述第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个;
所述第二门限值和所述第三门限值用于触发所述第一终端设备发送所述第一指示信息。
可选地,所述信道测量值为侧行链路发现信号的参考信号接收功率SD-RSRP,或者为侧行链路通信信号的参考信号接收功率SL-RSRP。
可选地,所述收发单元还用于:
向所述第一终端设备发送第四指示信息;
所述第四指示信息携带所述第二终端设备从所述至少一个候选中继终端设备中确定的目标中继终端设备的标识。
可选地,所述收发单元还用于:
接收所述第一终端设备发送的确认指示信息;
通过所述目标中继终端设备与所述第一终端设备建立连接。
可选地,所述收发单元还用于:
响应于所述第一终端设备与所述目标中继终端设备建立连接失败,接收所述第一终端发送的拒绝指示信息。
可选地,所述收发单元还用于:
响应于未接收到所述第一终端设备发送的所述第一指示信息,向所述第一终端设备发送第二指示信息;
所述第二指示信息用于指示所述第一终端设备发送所述候选中继列表。
本申请第六方面实施例提出了一种中继连接装置,所述装置应用于网络设备,所述装置包括:
收发单元,用于向第一终端设备发送第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个;
所述第一偏移值,第二偏移值和第一门限值用于确定至少一个候选中继终端设备,所述第二门限值和所述第三门限值用于触发所述第一终端设备发送所述第一指示信息;所述第一指示信息包括候选中继列表;所述候选中继列表中包括所述至少一个候选中继终端设备的标识,所述至少一个候选中继终端设备用于建立所述第一终端设备与第二终端设备之间中继连接。
可选地,所述收发单元具体用于:
向所述第一终端设备发送广播消息,所述广播消息中携带有所述第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
可选地,所述收发单元具体用于:
向所述第一终端设备发送与所述第一终端设备对应的第一信令,所述第一信令中携带有所述第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
本申请第七方面实施例提出了一种通信装置,所述装置包括处理器和存储器,所述存储器中存储有计算机程序,所述处理器执行所述存储器中存储的计算机程序,以使所述装置执行上述第一方面实施例所述的中继连接方法,或者执行上述第二方面实施例所述的中继连接方法。
本申请第八方面实施例提出了一种通信装置,所述装置包括处理器和存储器,所述存储器中存储有计算机程序,所述处理器执行所述存储器中存储的计算机程序,以使所述装置执行上述第三方面实施例所述的中继连接方法。
本申请第九方面实施例提出了一种通信装置,该装置包括处理器和接口电路,该接口电路用于接收代码指令并传输至该处理器,该处理器用于运行所述代码指令以使该装置执行上述第一方面实施例 所述的中继连接方法,或者执行上述第二方面实施例所述的中继连接方法。
本申请第十方面实施例提出了一种通信装置,该装置包括处理器和接口电路,该接口电路用于接收代码指令并传输至该处理器,该处理器用于运行所述代码指令以使该装置执行上述第三方面实施例所述的中继连接方法。
本申请第十一方面实施例提出了一种计算机可读存储介质,用于存储有指令,当所述指令被执行时,使上述第一方面实施例所述的中继连接方法被实现,或者使上述第二方面实施例所述的中继连接方法被实现。
本申请第十二方面实施例提出了一种计算机可读存储介质,用于存储有指令,当所述指令被执行时,使上述第二方面实施例所述的中继连接方法被实现。
本申请第十三方面实施例提出了一种计算机程序,当其在计算机上运行时,使得计算机执行第一方面实施例所述的中继连接分配方法,或者执行第二方面实施例所述的中继连接方法。
本申请第十四方面实施例提出了一种计算机程序,当其在计算机上运行时,使得计算机执行第三方面实施例所述的中继连接方法。
本申请实施例提供的一种中继连接方法及装置,通过向第二终端设备发送第一指示信息,该第一指示信息包括候选中继列表;该候选中继列表中包括至少一个候选中继终端设备的标识,该至少一个候选中继终端设备用于建立该第一终端设备与该第二终端设备之间中继连接,使得第一终端设备能够实现与第二终端设备的中继连接,有效提高了终端设备之间直接通信链路的链路容量,提高通信质量,提升系统通信效率,保证终端设备之间通信业务的正常进行,有效避免了通信的中断。
本申请附加的方面和优点将在下面的描述中部分给出,部分将从下面的描述中变得明显,或通过本申请的实践了解到。
附图说明
为了更清楚地说明本申请实施例或背景技术中的技术方案,下面将对本申请实施例或背景技术中所需要使用的附图进行说明。
图1为本申请实施例提供的一种通信系统的架构示意图;
图2是本申请实施例提供的一种中继连接方法的流程示意图;
图3是本申请实施例提供的一种中继连接方法的流程示意图;
图4是本申请实施例提供的一种中继连接方法的流程示意图;
图5是本申请实施例提供的一种中继连接方法的流程示意图;
图6是本申请实施例提供的一种中继连接方法的流程示意图;
图7是本申请实施例提供的一种中继连接装置的结构示意图;
图8是本申请实施例提供的一种中继连接装置的结构示意图;
图9是本申请实施例提供的一种中继连接装置的结构示意图;
图10是本申请实施例提供的另一种中继连接装置的结构示意图;
图11是本申请实施例提供的一种芯片的结构示意图。
具体实施方式
这里将详细地对示例性实施例进行说明,其示例表示在附图中。下面的描述涉及附图时,除非另有表示,不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本申请实施例相一致的所有实施方式。相反,它们仅是与如所附权利要求书中所详述的、本申请实施例的一些方面相一致的装置和方法的例子。
在本申请实施例使用的术语是仅仅出于描述特定实施例的目的,而非旨在限制本申请实施例。在本申请实施例和所附权利要求书中所使用的单数形式的“一种”和“该”也旨在包括多数形式,除非上下文清楚地表示其他含义。还应当理解,本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。
应当理解,尽管在本申请实施例可能采用术语第一、第二、第三等来描述各种信息,但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如,在不脱离本申请实施例范围的情况下,第一信息也可以被称为第二信息,类似地,第二信息也可以被称为第一信息。取决于语境,如在此所使用的词语“如果”及“若”可以被解释成为“在……时”或“当……时”或“响应于确定”。
下面详细描述本申请的实施例,所述实施例的示例在附图中示出,其中自始至终相同或类似的标号表示相同或类似的要素。下面通过参考附图描述的实施例是示例性的,旨在用于解释本申请,而不能理解为对本申请的限制。
为了更好的理解本申请实施例公开的一种中继连接方法,下面首先对本申请实施例适用的通信系统进行描述。
请参见图1,图1为本申请实施例提供的一种通信系统的架构示意图。该通信系统可包括但不限于一个网络设备、一个第一终端设备、一个第二终端设备和一个第三终端设备,图1所示的设备数量和形态仅用于举例并不构成对本申请实施例的限定,实际应用中可以包括两个或两个以上的网络设备,两个或两个以上的第一终端设备和两个或两个以上的第二终端设备。图1所示的通信系统以包括一个网络设备101,一个第一终端设备102,一个第二终端设备103和一个第三终端设备104为例。
需要说明的是,本申请实施例的技术方案可以应用于各种通信系统。例如:长期演进(Long Term Evolution,LTE)系统、第五代移动通信系统、5G新空口系统,或者其他未来的新型移动通信系统等。
本申请实施例中的网络设备101是网络侧的一种用于发射或接收信号的实体。例如,网络设备101和可以为演进型基站(EvolvedNodeB,eNB)、传输点(Transmission Reception Point,TRP)、NR系统中的下一代基站(Next Generation NodeB,gNB)、其他未来移动通信系统中的基站或无线保真(Wireless Fidelity,WiFi)系统中的接入节点等。本申请的实施例对网络设备所采用的具体技术和具体设备形态不做限定。本申请实施例提供的网络设备可以是由集中单元(Central Unit,CU)与分布式单元(Distributed Unit,DU)组成的,其中,CU也可以称为控制单元(Control Unit),采用CU-DU的结构可以将网络设备,例如基站的协议层拆分开,部分协议层的功能放在CU集中控制,剩下部分或全部协议层的功能分布在DU中,由CU集中控制DU。
本申请实施例中的第一终端设备102,第二终端设备103和中继终端设备104是用户侧的一种用于接收或发射信号的实体,如手机。终端设备也可以称为终端设备(terminal)、用户设备(user equipment,UE)、移动台(Mobile Station,MS)、移动终端设备(Mobile Terminal,MT)等。终端设备可以是具备通信功能的汽车、智能汽车、手机(Mobile Phone)、穿戴式设备、平板电脑(Pad)、带无线收发功能的电脑、虚拟现实(Virtual Reality,VR)终端设备、增强现实(AugmentedReality,AR)终端设备、工业控制(Industrial Control)中的无线终端设备、无人驾驶(Self-Driving)中的无线终端设备、远程手术(Remote Medical Surgery)中的无线终端设备、智能电网(Smart Grid)中的无线终端设备、运输安全(Transportation Safety)中的无线终端设备、智慧城市(Smart City)中的无线终端设备、智慧家庭(Smart Home)中的无线终端设备等等。本申请的实施例对终端设备所采用的具体技术和具体设备形态不做限定。
在通信系统中,为了支持终端设备与终端设备之间的直接通信,引入了侧行链路(sidelink)的通信方式,终端设备之间的通信接口为PC-5。根据发送终端设备和接收终端设备的对应关系,在 sidelink上支持三种传输方式:单播,组播和广播。
相关技术中,终端设备在与网络设备通信时,能够通过另外一个终端设备的中继与网络设备建立通信连接,通过中继的连接能够扩展无线网络的覆盖范围,消除或减少通信盲点,获得更高的链路容量。
基于此,当两个终端设备之间的无线信道质量变差时,考虑可以通过一个中继终端设备来继续保持两个终端设备之间的通信。
也就是,第一终端设备102和第二终端设备103通过侧行链路sidelink进行直接通信,当第一终端设备102和第二终端设备103之间的无线信道质量变差时,第一终端设备102可以不与该第二终端设备103直接相连,而是通过另一个终端设备也就是第三终端设备104的中继实现与第二终端设备103的连接。其中,第一终端设备102和第二终端设备103称为远端(remote)终端设备,提供中继功能的第三终端设备104称为中继(relay)终端设备。需要说明的是,上述终端设备之间均通过侧行链路sidelink单播通信。
可以理解的是,本申请实施例描述的通信系统是为了更加清楚的说明本申请实施例的技术方案,并不构成对于本申请实施例提供的技术方案的限定,本领域普通技术人员可知,随着系统架构的演变和新业务场景的出现,本申请实施例提供的技术方案对于类似的技术问题,同样适用。
下面结合附图对本申请所提供的中继连接方法及其装置进行详细地介绍。
请参见图2,图2是本申请实施例提供的一种中继连接方法的流程示意图。需要说明的是,本申请实施例的中继连接方法由第一终端设备执行。该方法可以独立执行,也可以结合本申请任意一个其他实施例一起被执行。如图2所示,该方法可以包括如下步骤:
步骤201,向第二终端设备发送第一指示信息,该第一指示信息包括候选中继列表;该候选中继列表中包括至少一个候选中继终端设备的标识,该至少一个候选中继终端设备用于建立该第一终端设备与该第二终端设备之间中继连接。
在本申请实施例中,第一终端设备与第二终端设备之间已经建立了单播连接,该第一终端设备与第二终端设备可以是直接连接的,也可以是通过服务中继设备中继连接的。
在本申请实施例中,第一终端设备能够向第二终端设备发送携带有候选中继列表的第一指示信息。该候选中继列表中包括至少一个候选中继终端设备的标识。第二终端设备在收到该第一指示信息之后,能够根据该第一指示信息确定出至少一个候选中继终端设备。
其中,该至少一个候选中继终端设备,用于建立第一终端设备和第二终端设备之间的中继连接,也就是第一终端设备和第二终端设备之间可以通过该至少一个候选中继终端设备的中继进行连接。
在一些实施方式中,该至少一个候选中继终端设备符合以下条件中的至少一种,也就是可以通过以下条件中的至少一种来确定该候选中继列表中的至少一个候选中继终端设备:
属于第一终端设备发现的至少一个中继终端设备;
不属于服务中继终端设备;
与所述第一终端设备之间的信道测量值高于第一门限值;
具有与第二终端设备建立连接的能力;
与所述第一终端设备之间的信道测量值,高于所述第一终端设备与所述第二终端设备之间的信道测量值和第一偏移值的和;
与所述第一终端设备之间的信道测量值,高于所述第一终端设备与服务中继终端设备之间的信道测量值和第二偏移值的和。
其中,服务中继终端设备是指,已经为终端设备之间的连接提供中继功能的终端设备。
在本申请实施例中,该至少一个候选中继终端设备具有与第二终端设备建立连接的能力,可以是通过该候选中继终端设备的发现信号中携带有该第二终端设备的标识来确定的。也就是,如果一个终端设备的发现信号中携带有该第二终端设备的标识,则确定该终端设备具有与第二终端设备建立连接的能力。
在本申请实施例中,第一终端设备发现的至少一个中继终端设备,第一终端设备可以通过发现信号发现至少一个中继终端设备。
在一些实施方式中,该第一指示信息还可以包括该第一终端设备与该至少一个候选终端设备的信道测量值。
在一些实施方式中,该第一指示信息还可以包括该第一终端设备与该第二终端设备之间的信道测量值,或者该第一终端设备与服务中继终端设备之间的信道测量值。
可以理解,如果该第一终端设备与第二终端设备是直接连接的,该第一指示信息包括该第一终端设备与该第二终端设备之间的信道测量值;如果该第一终端设备与第二终端设备之间是通过服务中继终端设备连接的,该第一指示信息包括该第一终端设备与该服务中继终端设备之间的信道测量值。
在本申请实施例中,可选地,该信道测量值可以为侧行链路发现信号的参考信号接收功率SD-RSRP(sidelink discovery signal-Reference Signal Receiving Power),也可以为侧行链路通信信号的参考信号接收功率SL-RSRP(sidelink-Reference Signal Receiving Power)。
在一些实施方式中,该第一终端设备响应于满足第一条件,向第二终端设备发送该第一指示信息。
可选地,该第一条件包括以下至少一种:
该第一终端设备与该第二终端设备之间的信道测量值低于第二门限值;
该第一终端设备与服务中继终端设备之间的信道测量值低于第三门限值;
该第一终端设备与至少一个候选中继终端设备之间的信道测量值高于第一门限值;
该第一终端设备与至少一个候选中继终端设备之间的信道测量值,高于该第一终端设备与该第二终端设备之间的信道测量值和第一偏移值的和;
该第一终端设备与至少一个候选中继终端设备之间的信道测量值,高于该第一终端设备与服务中继终端设备之间的信道测量值和第二偏移值的和。
在一些实施方式中,该第一终端设备响应于接收到该第二终端设备发送的第二指示信息,向第二终端设备发送该第一指示信息,其中,该第二指示信息用于指示该第一终端设备发送该候选中继列表。
在一些实施方式中,该第一终端设备响应于接收到服务中继终端设备发送的第三指示信息,向第二终端设备发送该第一指示信息,其中,该第三指示信息用于指示该第一终端设备发送该候选中继列表。
在一些实施方式中,第一终端设备可以接收第二终端设备发送的第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
在一些实施方式中,第一终端设备可以接收服务中继终端设备发送的第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
在一些实施方式中,第一终端设备可以根据资源池配置信息确定第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
其中,可选地,该资源池配置信息,可以是根据网络设备的广播确定的,也可以是是根据网络设备发送的配置信息确定的。
在一些实施方式中,第一终端设备可以接收网络终端设备发送的第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
可选地,第一终端设备可以接收网络设备发送的广播消息,该广播消息中携带有第一偏移值,第 二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
第一终端设备也可以接收网络设备发送的与该第一终端设备对应的第一信令,该第一信令中携带有第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
可选地,该第一信令中,可以包括多个第二门限值,不同的第二终端设备可以对应不同的第二门限值;同理,该第一信令中,也可以包括多个第三门限值,不同的服务中继终端设备可以对应不同的第三门限值。该第一信令中还可以包括多个第一偏移值,不同的第二终端设备可以对应不同的第二偏移值;该第一信令中还可以包括多个第二偏移值,不同的服务中继终端设备可以对应不同的第二偏移值。
可以理解,不同的第一终端设备会对应不同的第一信令,其中携带的第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个可以是不同的。也就是,网络设备可以通过该第一终端设备专用的信令,为不同的第一终端设备配置不同的上述偏移值和门限值,不同的第一终端设备可以对应不同的第一门限值等。
在一些实施方式中,该第一终端设备可以自行确定第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
也就是,该第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的每一个,均可以通过上述几种实施方式中的任一种来确定。
在一些实施方式中,第一终端设备还能够接收该第二终端设备发送的第四指示信息,该第四指示信息携带该第二终端设备确定的目标中继终端设备的标识。
可选地,该目标中继终端设备包括在该至少一个候选中继终端设备中。该目标终端设备也可以是第二终端设备确定的,不包括在该至少一个候选中继终端设备中。
在一些实施方式中,第一终端设备在接收到第二终端设备发送的第四指示信息之后,能够向第二终端设备发送确认指示信息。
在一些实施方式中,第一终端设备在接收到第二终端设备发送的第四指示信息之后,能够与该目标中继终端设备建立连接。
在一些实施方式中,第一终端设备在接收到第二终端设备发送的第四指示信息之后,能够通过该目标中继终端设备与第二终端设备建立连接。
在一些实施方式中,响应于第一终端设备与该目标中继终端设备建立连接失败,第一终端设备向第二终端设备发送拒绝指示信息。
综上,通过向第二终端设备发送第一指示信息,该第一指示信息包括候选中继列表;该候选中继列表中包括至少一个候选中继终端设备的标识,该至少一个候选中继终端设备用于建立该第一终端设备与该第二终端设备之间中继连接,使得第一终端设备能够实现与第二终端设备的中继连接,有效提高了终端设备之间直接通信链路的链路容量,提高通信质量,提升系统通信效率,保证终端设备之间通信业务的正常进行,有效避免了通信的中断。
请参见图3,图3是本申请实施例提供的一种中继连接方法的流程示意图。需要说明的是,本申请实施例的中继连接方法由第一终端设备执行。该方法可以独立执行,也可以结合本申请任意一个其他实施例一起被执行。如图3所示,该方法可以包括如下步骤:
步骤301,响应于满足第一条件,向第二终端设备发送第一指示信息。
其中,该第一指示信息包括候选中继列表;该候选中继列表中包括至少一个候选中继终端设备的标识,该至少一个候选中继终端设备用于建立该第一终端设备与该第二终端设备之间中继连接。
在本申请实施例中,第一终端设备与第二终端设备之间已经建立了单播连接,该第一终端设备与 第二终端设备可以是直接连接的,也可以是通过服务中继设备中继连接的。
在一些实施方式中,该第一指示信息还可以包括该第一终端设备与该至少一个候选终端设备的信道测量值。
在一些实施方式中,该第一指示信息还可以包括该第一终端设备与该第二终端设备之间的信道测量值,或者该第一终端设备与服务中继终端设备之间的信道测量值。
可选地,该第一条件包括以下至少一种:
该第一终端设备与该第二终端设备之间的信道测量值低于第二门限值;
该第一终端设备与服务中继终端设备之间的信道测量值低于第三门限值;
该第一终端设备与至少一个候选中继终端设备之间的信道测量值高于第一门限值;
该第一终端设备与至少一个候选中继终端设备之间的信道测量值,高于该第一终端设备与该第二终端设备之间的信道测量值和第一偏移值的和;
该第一终端设备与至少一个候选中继终端设备之间的信道测量值,高于该第一终端设备与服务中继终端设备之间的信道测量值和第二偏移值的和。
在一些实施方式中,该第一条件还可以为:接收到该第二终端设备发送的第二指示信息,该第二指示信息用于指示该第一终端设备发送该候选中继列表。也就是,该第一终端设备响应于接收到该第二终端设备发送的第二指示信息,向第二终端设备发送该第一指示信息。
在一些实施方式中,该第一条件还可以为:接收到服务中继终端设备发送的第三指示信息,该第三指示信息用于指示该第一终端设备发送该候选中继列表。也就是,该第一终端设备响应于接收到服务中继终端设备发送的第三指示信息,向第二终端设备发送该第一指示信息。
在本申请实施例中,第一条件的满足能够触发第一终端设备发送该第一指示信息,也就是向第二终端设备发送候选中继列表,该候选中继列表中包括至少一个候选中继终端设备的标识。
可以理解,第一条件包括上述至少一种,也就是,可以是满足上述其中一个条件即可触发第一终端设备发送该第一指示信息,也可以是满足上述中的多个条件能够触发第一终端设备发送该第一指示信息。
可选地,该信道测量值可以为侧行链路发现信号的参考信号接收功率SD-RSRP,也可以为侧行链路通信信号的参考信号接收功率SL-RSRP。
在一些实施方式中,第一终端设备可以接收第二终端设备发送的第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
在一些实施方式中,第一终端设备可以接收服务中继终端设备发送的第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
在一些实施方式中,第一终端设备可以根据资源池配置信息确定第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
其中,可选地,该资源池配置信息,可以是根据网络设备的广播确定的,也可以是是根据网络设备发送的配置信息确定的。
在一些实施方式中,第一终端设备可以接收网络终端设备发送的第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
可选地,第一终端设备可以接收网络设备发送的广播消息,该广播消息中携带有第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
第一终端设备也可以接收网络设备发送的与该第一终端设备对应的第一信令,该第一信令中携带有第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
可选地,该第一信令中,可以包括多个第二门限值,不同的第二终端设备可以对应不同的第二门 限值;同理,该第一信令中,也可以包括多个第三门限值,不同的服务中继终端设备可以对应不同的第三门限值。该第一信令中还可以包括多个第一偏移值,不同的第二终端设备可以对应不同的第二偏移值;该第一信令中还可以包括多个第二偏移值,不同的服务中继终端设备可以对应不同的第二偏移值。
可以理解,不同的第一终端设备会对应不同的第一信令,其中携带的第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个可以是相同的,也可以是不同的。也就是,网络设备可以通过该第一终端设备专用的信令,为不同的第一终端设备配置不同的上述偏移值和门限值,不同的第一终端设备可以对应不同的第一门限值等。
在一些实施方式中,该第一终端设备可以自行确定第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
也就是,上述第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的每一个,均可以通过上述实施方式中的任一种来确定。
综上,通过响应于满足第一条件,向第二终端设备发送第一指示信息,该第一指示信息包括候选中继列表;该候选中继列表中包括至少一个候选中继终端设备的标识,该至少一个候选中继终端设备用于建立该第一终端设备与该第二终端设备之间中继连接,使得第一终端设备能够实现与第二终端设备的中继连接,有效提高了终端设备之间直接通信链路的链路容量,提高通信质量,提升系统通信效率,保证终端设备之间通信业务的正常进行,有效避免了通信的中断。
请参见图4,图4是本申请实施例提供的一种中继连接方法的流程示意图。需要说明的是,本申请实施例的中继连接方法由第一终端设备执行。该方法可以独立执行,也可以结合本申请任意一个其他实施例一起被执行。如图4所示,该方法可以包括如下步骤:
步骤401,向第二终端设备发送第一指示信息。
其中,该第一指示信息包括候选中继列表;该候选中继列表中包括至少一个候选中继终端设备的标识,该至少一个候选中继终端设备用于建立该第一终端设备与该第二终端设备之间中继连接。
在本申请实施例中,步骤401可以采用本申请的各实施例中的任一种方式实现,本申请实施例并不对此作出限定,也不再赘述。
步骤402,接收所述第二终端设备发送的第四指示信息,所述第四指示信息携带所述第二终端设备确定的目标中继终端设备的标识。
可选地,该目标中继终端设备可以包括在该至少一个候选中继终端设备中。该目标终端设备也可以是第二终端设备确定的,不包括在该至少一个候选中继终端设备中。
在一些实施方式中,第一终端设备在接收到第二终端设备发送的第四指示信息之后,能够向第二终端设备发送确认指示信息。
在一些实施方式中,第一终端设备在接收到第二终端设备发送的第四指示信息之后,能够与该目标中继终端设备建立连接。
在一些实施方式中,第一终端设备在接收到第二终端设备发送的第四指示信息之后,能够通过该目标中继终端设备与第二终端设备建立连接。
在一些实施方式中,响应于第一终端设备与该目标中继终端设备建立连接失败,第一终端设备向第二终端设备发送拒绝指示信息。
可以理解,如果该第一终端设备能够与该目标中继终端设备建立连接,则可以执行一下至少一种:
向第二终端设备发送确认指示信息;
与该目标中继终端设备建立连接;
通过该目标中继终端设备与第二终端设备建立连接。
综上,通过向第二终端设备发送第一指示信息,接收所述第二终端设备发送的第四指示信息,所述第四指示信息携带所述第二终端设备确定的目标中继终端设备的标识,使得第一终端设备能够实现与第二终端设备的中继连接,有效提高了终端设备之间直接通信链路的链路容量,提高通信质量,提升系统通信效率,保证终端设备之间通信业务的正常进行,有效避免了通信的中断。
请参见图5,图5是本申请实施例提供的一种中继连接方法的流程示意图。需要说明的是,本申请实施例的中继连接方法由第二终端设备执行。该方法可以独立执行,也可以结合本申请任意一个其他实施例一起被执行。如图5所示,该方法可以包括如下步骤:
步骤501,接收第一终端设备发送的第一指示信息,该第一指示信息包括候选中继列表;该候选中继列表中包括至少一个候选中继终端设备的标识,该至少一个候选中继终端设备用于建立该第一终端设备与该第二终端设备之间中继连接。
在本申请实施例中,第一终端设备与第二终端设备之间已经建立了单播连接,该第一终端设备与第二终端设备可以是直接连接的,也可以是通过服务中继设备中继连接的。
在本申请实施例中,第二终端设备能够接收第一终端设备发送的携带有候选中继列表的第一指示信息。该候选中继列表中包括至少一个候选中继终端设备的标识。第二终端设备在收到该第一指示信息之后,能够根据该第一指示信息确定出至少一个候选中继终端设备。
其中,该至少一个候选中继终端设备,用于建立第一终端设备和第二终端设备之间的中继连接,也就是第一终端设备和第二终端设备之间可以通过该至少一个候选中继终端设备的中继进行连接。
在一些实施方式中,该至少一个候选中继终端设备符合以下条件中的至少一种,也就是可以通过以下条件中的至少一种来确定该候选中继列表中的至少一个候选中继终端设备:
属于第一终端设备发现的至少一个中继终端设备;
不属于服务中继终端设备;
与所述第一终端设备之间的信道测量值高于第一门限值;
具有与第二终端设备建立连接的能力;
与所述第一终端设备之间的信道测量值,高于所述第一终端设备与所述第二终端设备之间的信道测量值和第一偏移值的和;
与所述第一终端设备之间的信道测量值,高于所述第一终端设备与服务中继终端设备之间的信道测量值和第二偏移值的和。
其中,服务中继终端设备是指,已经为终端设备之间的连接提供中继功能的终端设备。
在本申请实施例中,该至少一个候选中继终端设备具有与第二终端设备建立连接的能力,可以是通过该候选中继终端设备的发现信号中携带有该第二终端设备的标识来确定的。也就是,如果一个终端设备的发现信号中携带有该第二终端设备的标识,则确定该终端设备具有与第二终端设备建立连接的能力。
在一些实施方式中,该第一指示信息还可以包括该第一终端设备与该至少一个候选终端设备的信道测量值。
在一些实施方式中,该第一指示信息还可以包括该第一终端设备与该第二终端设备之间的信道测量值,或者该第一终端设备与服务中继终端设备之间的信道测量值。
可以理解,如果该第一终端设备与第二终端设备是直接连接的,该第一指示信息包括该第一终端设备与该第二终端设备之间的信道测量值;如果该第一终端设备与第二终端设备之间是通过服务中继终端设备连接的,该第一指示信息包括该第一终端设备与该服务中继终端设备之间的信道测量值。
在本申请实施例中,可选地,该信道测量值可以为侧行链路发现信号的参考信号接收功率SD-RSRP,也可以为侧行链路通信信号的参考信号接收功率SL-RSRP。
在一些实施方式中,第二终端设备可以向第一终端设备发送第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
其中,第二门限值和第三门限值用于触发该第一终端设备发送所述第一指示信息。
可选地,该第一终端设备与该第二终端设备之间的信道测量值低于第二门限值,能够触发该第一终端设备发送所述第一指示信息。
可选地,该第一终端设备与服务中继终端设备之间的信道测量值低于第三门限值,能够触发该第一终端设备发送所述第一指示信息。
在一些实施方式中,响应于第二终端设备未接收到第一终端设备发送的该第一指示信息,该第二终端设备能够向该第一终端设备发送第二指示信息,其中,该第二指示信息用于指示该第一终端设备发送该候选中继列表。
在一些实施方式中,第二终端设备还能够向第一终端设备发送第四指示信息,该第四指示信息携带有该第二终端设备确定的目标中继终端设备的标识。
可选地,该目标中继终端设备包括在该至少一个候选中继终端设备中。该目标终端设备也可以是第二终端设备确定的,不包括在该至少一个候选中继终端设备中。
在一些实施方式中,第二终端设备向第一终端设备发送第四指示信息之后,能够接收第一终端设备发送的确认指示信息。第二终端设备在接收到该确认指示信息之后,能够通过该目标中继终端设备与该第一终端设备建立连接。
在一些实施方式中,响应于该第一终端设备与该目标中继终端设备建立连接失败,第二终端设备接收第一终端设备发送的拒绝指示信息。
综上,通过接收第一终端设备发送的第一指示信息,该第一指示信息包括候选中继列表,该候选中继列表中包括至少一个候选中继终端设备的标识,该至少一个候选中继终端设备用于建立该第一终端设备与该第二终端设备之间中继连接,使得第一终端设备能够实现与第二终端设备的中继连接,有效提高了终端设备之间直接通信链路的链路容量,提高通信质量,提升系统通信效率,保证终端设备之间通信业务的正常进行,有效避免了通信的中断。
请参见图6,图6是本申请实施例提供的一种中继连接方法的流程示意图。需要说明的是,本申请实施例的中继连接方法由网络设备执行。该方法可以独立执行,也可以结合本申请任意一个其他实施例一起被执行。如图6所示,该方法可以包括如下步骤:
步骤601,向第一终端设备发送第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
其中,第一偏移值,第二偏移值和第一门限值用于确定至少一个候选中继终端设备,该第二门限值和该第三门限值用于触发该第一终端设备发送该第一指示信息;该第一指示信息包括候选中继列表;该候选中继列表中包括该至少一个候选中继终端设备的标识,该至少一个候选中继终端设备用于建立该第一终端设备与该第二终端设备之间中继连接。
可选地,该至少一个候选中继终端设备符合:该至少一个候选中继终端设备与所述第一终端设备之间的信道测量值高于第一门限值。
可选地,该至少一个候选中继终端设备符合:该至少一个候选中继终端设备与所述第一终端设备之间的信道测量值,高于所述第一终端设备与所述第二终端设备之间的信道测量值和第一偏移值的和。
可选地,该至少一个候选中继终端设备符合:该至少一个候选中继终端设备与所述第一终端设备 之间的信道测量值,高于所述第一终端设备与服务中继终端设备之间的信道测量值和第二偏移值的和。
可选地,该第一终端设备与该第二终端设备之间的信道测量值低于第二门限值,能够触发该第一终端设备发送所述第一指示信息。
可选地,该第一终端设备与服务中继终端设备之间的信道测量值低于第三门限值,能够触发该第一终端设备发送所述第一指示信息。
在一些实施方式中,网络设备可以向第一终端设备发送广播消息,该广播消息中携带有第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
在一些实施方式中,网络设备可以向第一终端设备发送与该第一终端设备对应的第一信令,该第一信令中携带有第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
可选地,该第一信令中,可以包括多个第二门限值,不同的第二终端设备可以对应不同的第二门限值;同理,该第一信令中,也可以包括多个第三门限值,不同的服务中继终端设备可以对应不同的第三门限值。该第一信令中还可以包括多个第一偏移值,不同的第二终端设备可以对应不同的第二偏移值;该第一信令中还可以包括多个第二偏移值,不同的服务中继终端设备可以对应不同的第二偏移值。
可以理解,不同的第一终端设备会对应不同的第一信令,其中携带的第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个可以是不同的。也就是,网络设备可以通过该第一终端设备专用的信令,为不同的第一终端设备配置不同的上述偏移值和门限值,不同的第一终端设备可以对应不同的第一门限值等。
综上,通过向第一终端设备发送第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个,能够灵活配置第一终端设备建立中继连接的相关信息,使得第一终端设备能够实现与第二终端设备的中继连接,有效提高了终端设备之间直接通信链路的链路容量,提高通信质量,提升系统通信效率,保证终端设备之间通信业务的正常进行,有效避免了通信的中断。
与上述几种实施例提供的中继连接方法相对应,本申请还提供一种中继连接装置,由于本申请实施例提供的中继连接装置与上述几种实施例提供的方法相对应,因此在中继连接方法的实施方式也适用于下述实施例提供的中继连接装置,在下述实施例中不再详细描述。
请参见图7,图7为本申请实施例提供的一种中继连接装置的结构示意图。
如图7所示,该中继连接装置700包括:收发单元710,其中:
收发单元710,用于向第二终端设备发送第一指示信息;
该第一指示信息包括候选中继列表;该候选中继列表中包括至少一个候选中继终端设备的标识,该至少一个候选中继终端设备用于建立该第一终端设备与该第二终端设备之间中继连接。
可选地,该至少一个候选中继终端设备符合以下条件中的至少一种:
属于第一终端设备发现的至少一个中继终端设备;
不属于服务中继终端设备;
与该第一终端设备之间的信道测量值高于第一门限值;
具有与第二终端设备建立连接的能力;
与该第一终端设备之间的信道测量值,高于该第一终端设备与该第二终端设备之间的信道测量值和第一偏移值的和;
与该第一终端设备之间的信道测量值,高于该第一终端设备与服务中继终端设备之间的信道测量值和第二偏移值的和。
可选地,该第一指示信息包括该第一终端设备与该至少一个候选终端设备的信道测量值。
可选地,该第一指示信息包括该第一终端设备与该第二终端设备之间,或该第一终端设备与服务中继终端设备之间的信道测量值。
可选地,该收发单元710具体用于:
响应于满足第一条件,向该第二终端设备发送该第一指示信息;
该第一条件包括以下至少一种:
该第一终端设备与该第二终端设备之间的信道测量值低于第二门限值;
该第一终端设备与服务中继终端设备之间的信道测量值低于第三门限值;
该第一终端设备与至少一个候选中继终端设备之间的信道测量值高于第一门限值;
该第一终端设备与至少一个候选中继终端设备之间的信道测量值,高于该第一终端设备与该第二终端设备之间的信道测量值和第一偏移值的和;
该第一终端设备与至少一个候选中继终端设备之间的信道测量值,高于该第一终端设备与服务中继终端设备之间的信道测量值和第二偏移值的和。
可选地,该收发单元710具体用于:
响应于接收到该第二终端设备发送的第二指示信息,向该第二终端设备发送该第一指示信息;
该第二指示信息用于指示该第一终端设备发送该候选中继列表。
可选地,该收发单元710具体用于:
响应于接收到服务中继终端设备发送的第三指示信息,向该第二终端设备发送该第一指示信息;
该第三指示信息用于指示该第一终端设备发送该候选中继列表。
可选地,该收发单元710还用于:
接收该第二终端设备发送的该第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
可选地,该收发单元710还用于:
接收服务中继终端设备发送的该第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
可选地,该收发单元710还用于:
根据资源池配置信息确定该第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个;
其中,该资源池配置信息,是根据网络设备的广播或者网络设备发送的配置信息确定的。
可选地,该收发单元710还用于:
接收网络终端设备发送的该第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
可选地,该收发单元710还用于:
确定该第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
可选地,该信道测量值为侧行链路发现信号的参考信号接收功率SD-RSRP,或者为侧行链路通信信号的参考信号接收功率SL-RSRP。
可选地,该收发单元710还用于:
接收该第二终端设备发送的第四指示信息;
该第四指示信息携带该第二终端设备确定的目标中继终端设备的标识。
可选地,该收发单元710还用于:
向该第二终端设备发送确认指示信息。
可选地,该收发单元710还用于:
与该目标中继终端设备建立连接。
可选地,该收发单元710还用于:
通过该目标中继终端设备与该第二终端设备建立连接。
可选地,该收发单元710还用于:
响应于该第一终端设备与该目标中继终端设备建立连接失败,向该第二终端发送拒绝指示信息。
本实施例的中继连接装置,可以通过向第二终端设备发送第一指示信息,该第一指示信息包括候选中继列表;该候选中继列表中包括至少一个候选中继终端设备的标识,该至少一个候选中继终端设备用于建立该第一终端设备与该第二终端设备之间中继连接,使得第一终端设备能够实现与第二终端设备的中继连接,有效提高了终端设备之间直接通信链路的链路容量,提高通信质量,提升系统通信效率,保证终端设备之间通信业务的正常进行,有效避免了通信的中断。
请参见图8,图8为本申请实施例提供的一种中继连接装置的结构示意图。
如图8所示,该中继连接装置800包括:收发单元810,其中:
收发单元810,用于接收第一终端设备发送的第一指示信息;
该第一指示信息包括候选中继列表;该候选中继列表中包括至少一个候选中继终端设备的标识,该至少一个候选中继终端设备用于建立该第一终端设备与该第二终端设备之间中继连接。
可选地,该至少一个候选中继终端设备符合以下条件中的至少一种:
属于第一终端设备发现的至少一个中继终端设备;
不属于服务中继终端设备;
与该第一终端设备之间的信道测量值高于第一门限值;
具有与第二终端设备建立连接的能力;
与该第一终端设备之间的信道测量值,高于该第一终端设备与该第二终端设备之间的信道测量值和第一偏移值的和;
与该第一终端设备之间的信道测量值,高于该第一终端设备与服务中继终端设备之间的信道测量值和第二偏移值的和。
可选地,该第一指示信息包括该第一终端设备与该至少一个候选终端设备的信道测量值。
可选地,该第一指示信息包括该第一终端设备与该第二终端设备之间,或该第一终端设备与服务中继终端设备之间的信道测量值。
可选地,该收发单元810还用于:
向该第一终端设备发送的该第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个;
该第二门限值和该第三门限值用于触发该第一终端设备发送该第一指示信息。
可选地,该信道测量值为侧行链路发现信号的参考信号接收功率SD-RSRP,或者为侧行链路通信信号的参考信号接收功率SL-RSRP。
可选地,该收发单元810还用于:
向该第一终端设备发送第四指示信息;
该第四指示信息携带该第二终端设备从该至少一个候选中继终端设备中确定的目标中继终端设备的标识。
可选地,该收发单元810还用于:
接收该第一终端设备发送的确认指示信息;
通过该目标中继终端设备与该第一终端设备建立连接。
可选地,该收发单元810还用于:
响应于该第一终端设备与该目标中继终端设备建立连接失败,接收该第一终端发送的拒绝指示信息。
可选地,该收发单元810还用于:
响应于未接收到该第一终端设备发送的该第一指示信息,向该第一终端设备发送第二指示信息;
该第二指示信息用于指示该第一终端设备发送该候选中继列表。
本实施例的中继连接装置,可以通过接收第一终端设备发送的第一指示信息,该第一指示信息包括候选中继列表,该候选中继列表中包括至少一个候选中继终端设备的标识,该至少一个候选中继终端设备用于建立该第一终端设备与该第二终端设备之间中继连接,使得第一终端设备能够实现与第二终端设备的中继连接,有效提高了终端设备之间直接通信链路的链路容量,提高通信质量,提升系统通信效率,保证终端设备之间通信业务的正常进行,有效避免了通信的中断。
请参见图9,图9为本申请实施例提供的一种中继连接装置的结构示意图。
如图9所示,该中继连接装置900包括:收发单元910,其中:
收发单元910,用于向第一终端设备发送第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个;
该第一偏移值,第二偏移值和第一门限值用于确定至少一个候选中继终端设备,该第二门限值和该第三门限值用于触发该第一终端设备发送该第一指示信息;该第一指示信息包括候选中继列表;该候选中继列表中包括该至少一个候选中继终端设备的标识,该至少一个候选中继终端设备用于建立该第一终端设备与第二终端设备之间中继连接。
可选地,该收发单元910具体用于:
向该第一终端设备发送广播消息,该广播消息中携带有该第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
可选地,该收发单元910具体用于:
向该第一终端设备发送与该第一终端设备对应的第一信令,该第一信令中携带有该第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
本实施例的中继连接装置,可以通过向第一终端设备发送第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个,能够灵活配置第一终端设备建立中继连接的相关信息,使得第一终端设备能够实现与第二终端设备的中继连接,有效提高了终端设备之间直接通信链路的链路容量,提高通信质量,提升系统通信效率,保证终端设备之间通信业务的正常进行,有效避免了通信的中断。
为了实现上述实施例,本申请实施例还提出一种通信装置,包括:处理器和存储器,存储器中存储有计算机程序,处理器执行所述存储器中存储的计算机程序,以使装置执行图2至图4实施例所示的方法,或者执行图5实施例所示的方法。
为了实现上述实施例,本申请实施例还提出一种通信装置,包括:处理器和存储器,存储器中存储有计算机程序,处理器执行所述存储器中存储的计算机程序,以使装置执行图6实施例所示的方法。
为了实现上述实施例,本申请实施例还提出一种通信装置,包括:处理器和接口电路,接口电路,用于接收代码指令并传输至处理器,处理器,用于运行所述代码指令以执行图2至图4实施例所示的方法,或者执行图5实施例所示的方法。
为了实现上述实施例,本申请实施例还提出一种通信装置,包括:处理器和接口电路,接口电路, 用于接收代码指令并传输至处理器,处理器,用于运行所述代码指令以执行图6实施例所示的方法。
请参见图10,图10是本申请实施例提供的另一种中继连接装置的结构示意图。中继连接装置1000可以是网络设备,也可以是终端设备,也可以是支持网络设备实现上述方法的芯片、芯片系统、或处理器等,还可以是支持终端设备实现上述方法的芯片、芯片系统、或处理器等。该装置可用于实现上述方法实施例中描述的方法,具体可以参见上述方法实施例中的说明。
中继连接装置1000可以包括一个或多个处理器1001。处理器1001可以是通用处理器或者专用处理器等。例如可以是基带处理器或中央处理器。基带处理器可以用于对通信协议以及通信数据进行处理,中央处理器可以用于对中继连接装置(如,基站、基带芯片,终端设备、终端设备芯片,DU或CU等)进行控制,执行计算机程序,处理计算机程序的数据。
可选的,中继连接装置1000中还可以包括一个或多个存储器1002,其上可以存有计算机程序1003,处理器1001执行计算机程序1003,以使得中继连接装置1000执行上述方法实施例中描述的方法。计算机程序1003可能固化在处理器1001中,该种情况下,处理器1001可能由硬件实现。
可选的,存储器1002中还可以存储有数据。中继连接装置1000和存储器1002可以单独设置,也可以集成在一起。
可选的,中继连接装置1000还可以包括收发器1005、天线1006。收发器1005可以称为收发单元、收发机、或收发电路等,用于实现收发功能。收发器1005可以包括接收器和发送器,接收器可以称为接收机或接收电路等,用于实现接收功能;发送器可以称为发送机或发送电路等,用于实现发送功能。
可选的,中继连接装置1000中还可以包括一个或多个接口电路1007。接口电路1007用于接收代码指令并传输至处理器1001。处理器1001运行代码指令以使中继连接装置1000执行上述方法实施例中描述的方法。
在一种实现方式中,处理器1001中可以包括用于实现接收和发送功能的收发器。例如该收发器可以是收发电路,或者是接口,或者是接口电路。用于实现接收和发送功能的收发电路、接口或接口电路可以是分开的,也可以集成在一起。上述收发电路、接口或接口电路可以用于代码/数据的读写,或者,上述收发电路、接口或接口电路可以用于信号的传输或传递。
在一种实现方式中,中继连接装置1000可以包括电路,电路可以实现前述方法实施例中发送或接收或者通信的功能。本申请中描述的处理器和收发器可实现在集成电路(integrated circuit,IC)、模拟IC、射频集成电路RFIC、混合信号IC、专用集成电路(application specific integrated circuit,ASIC)、印刷电路板(printed circuit board,PCB)、电子设备等上。该处理器和收发器也可以用各种IC工艺技术来制造,例如互补金属氧化物半导体(complementary metal oxide semiconductor,CMOS)、N型金属氧化物半导体(nMetal-oxide-semiconductor,NMOS)、P型金属氧化物半导体(positive channel metal oxide semiconductor,PMOS)、双极结型晶体管(bipolar junction transistor,BJT)、双极CMOS(BiCMOS)、硅锗(SiGe)、砷化镓(GaAs)等。
以上实施例描述中的中继连接装置可以是网络设备或者终端设备,但本申请中描述的中继连接装置的范围并不限于此,而且中继连接装置的结构可以不受图7-图9的限制。中继连接装置可以是独立的设备或者可以是较大设备的一部分。例如中继连接装置可以是:
(1)独立的集成电路IC,或芯片,或,芯片系统或子系统;
(2)具有一个或多个IC的集合,可选的,该IC集合也可以包括用于存储数据,计算机程序的存储部件;
(3)ASIC,例如调制解调器(Modem);
(4)可嵌入在其他设备内的模块;
(5)接收机、终端设备、智能终端设备、蜂窝电话、无线设备、手持机、移动单元、车载设备、网络设备、云设备、人工智能设备等等;
(6)其他等等。
对于中继连接装置可以是芯片或芯片系统的情况,可参见图11所示的芯片的结构示意图。图11所示的芯片包括处理器1101和接口1102。其中,处理器1101的数量可以是一个或多个,接口1102的数量可以是多个。
对于芯片用于实现本申请实施例中网络设备的功能的情况:
接口1102,用于代码指令并传输至处理器;
处理器1101,用于运行代码指令以执行如图2至图4的方法,或者执行如图5的方法。
对于芯片用于实现本申请实施例中终端设备的功能的情况:
接口1102,用于代码指令并传输至处理器;
处理器1101,用于运行代码指令以执行如图6的方法。
可选的,芯片还包括存储器1103,存储器1103用于存储必要的计算机程序和数据。
本领域技术人员还可以了解到本申请实施例列出的各种说明性逻辑块(illustrative logical block)和步骤(step)可以通过电子硬件、电脑软件,或两者的结合进行实现。这样的功能是通过硬件还是软件来实现取决于特定的应用和整个系统的设计要求。本领域技术人员可以对于每种特定的应用,可以使用各种方法实现的功能,但这种实现不应被理解为超出本申请实施例保护的范围。
本申请实施例还提供一种通信系统,该系统包括前述图7-图9实施例中作为终端设备的中继连接装置和作为网络设备的中继连接装置,或者,该系统包括前述图10实施例中作为终端设备的中继连接装置和作为网络设备的中继连接装置。
本申请还提供一种可读存储介质,其上存储有指令,该指令被计算机执行时实现上述任一方法实施例的功能。
本申请还提供一种计算机程序产品,该计算机程序产品被计算机执行时实现上述任一方法实施例的功能。
在上述实施例中,可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时,可以全部或部分地以计算机程序产品的形式实现。计算机程序产品包括一个或多个计算机程序。在计算机上加载和执行计算机程序时,全部或部分地产生按照本申请实施例的流程或功能。计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。计算机程序可以存储在计算机可读存储介质中,或者从一个计算机可读存储介质向另一个计算机可读存储介质传输,例如,计算机程序可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line,DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。可用介质可以是磁性介质(例如,软盘、硬盘、磁带)、光介质(例如,高密度数字视频光盘(digital video disc,DVD))、或者半导体介质(例如,固态硬盘(solid state disk,SSD))等。
本领域普通技术人员可以理解:本申请中涉及的第一、第二等各种数字编号仅为描述方便进行的区分,并不用来限制本申请实施例的范围,也表示先后顺序。
本申请中的至少一个还可以描述为一个或多个,多个可以是两个、三个、四个或者更多个,本申请不做限制。在本申请实施例中,对于一种技术特征,通过“第一”、“第二”、“第三”、“A”、“B”、“C”和“D”等区分该种技术特征中的技术特征,该“第一”、“第二”、“第三”、“A”、“B”、“C”和“D”描述的技术特征间无先后顺序或者大小顺序。
本申请中各表所示的对应关系可以被配置,也可以是预定义的。各表中的信息的取值仅仅是举例,可以配置为其他值,本申请并不限定。在配置信息与各参数的对应关系时,并不一定要求必须配置各表中示意出的所有对应关系。例如,本申请中的表格中,某些行示出的对应关系也可以不配置。又例如,可以基于上述表格做适当的变形调整,例如,拆分,合并等等。上述各表中标题示出参数的名称也可以采用通信装置可理解的其他名称,其参数的取值或表示方式也可以通信装置可理解的其他取值或表示方式。上述各表在实现时,也可以采用其他的数据结构,例如可以采用数组、队列、容器、栈、线性表、指针、链表、树、图、结构体、类、堆、散列表或哈希表等。
本申请中的预定义可以理解为定义、预先定义、存储、预存储、预协商、预配置、固化、或预烧制。
本领域普通技术人员可以意识到,结合本文中所公开的实施例描述的各示例的单元及算法步骤,能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到,为描述的方便和简洁,上述描述的系统、装置和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。
应当理解,可以使用上面所示的各种形式的流程,重新排序、增加或删除步骤。例如,本申请实施例中记载的各步骤可以并行地执行也可以顺序地执行也可以不同的次序执行,只要能够实现本发明公开的技术方案所期望的结果,本文在此不进行限制。
上述具体实施方式,并不构成对本发明保护范围的限制。本领域技术人员应该明白的是,根据设计要求和其他因素,可以进行各种修改、组合、子组合和替代。任何在本发明的精神和原则之内所作的修改、等同替换和改进等,均应包含在本发明保护范围之内。

Claims (40)

  1. 一种中继连接方法,其特征在于,所述方法由第一终端设备执行,所述方法包括:
    向第二终端设备发送第一指示信息;
    所述第一指示信息包括候选中继列表;所述候选中继列表中包括至少一个候选中继终端设备的标识,所述至少一个候选中继终端设备用于建立所述第一终端设备与所述第二终端设备之间中继连接。
  2. 根据权利要求1所述的方法,其特征在于,所述至少一个候选中继终端设备符合以下条件中的至少一种:
    属于第一终端设备发现的至少一个中继终端设备;
    不属于服务中继终端设备;
    与所述第一终端设备之间的信道测量值高于第一门限值;
    具有与第二终端设备建立连接的能力;
    与所述第一终端设备之间的信道测量值,高于所述第一终端设备与所述第二终端设备之间的信道测量值和第一偏移值的和;
    与所述第一终端设备之间的信道测量值,高于所述第一终端设备与服务中继终端设备之间的信道测量值和第二偏移值的和。
  3. 根据权利要求1所述的方法,其特征在于,所述第一指示信息包括所述第一终端设备与所述至少一个候选终端设备的信道测量值。
  4. 根据权利要求1所述的方法,其特征在于,所述第一指示信息包括所述第一终端设备与所述第二终端设备之间,或所述第一终端设备与服务中继终端设备之间的信道测量值。
  5. 根据权利要求1所述的方法,其特征在于,所述向第二终端设备发送第一指示信息,包括:
    响应于满足第一条件,向所述第二终端设备发送所述第一指示信息;
    所述第一条件包括以下至少一种:
    所述第一终端设备与所述第二终端设备之间的信道测量值低于第二门限值;
    所述第一终端设备与服务中继终端设备之间的信道测量值低于第三门限值;
    所述第一终端设备与至少一个候选中继终端设备之间的信道测量值高于第一门限值;
    所述第一终端设备与至少一个候选中继终端设备之间的信道测量值,高于所述第一终端设备与所述第二终端设备之间的信道测量值和第一偏移值的和;
    所述第一终端设备与至少一个候选中继终端设备之间的信道测量值,高于所述第一终端设备与服务中继终端设备之间的信道测量值和第二偏移值的和。
  6. 根据权利要求1所述的方法,其特征在于,所述向第二终端设备发送第一指示信息,包括:
    响应于接收到所述第二终端设备发送的第二指示信息,向所述第二终端设备发送所述第一指示信息;
    所述第二指示信息用于指示所述第一终端设备发送所述候选中继列表。
  7. 根据权利要求1所述的方法,其特征在于,所述向第二终端设备发送第一指示信息,包括:
    响应于接收到服务中继终端设备发送的第三指示信息,向所述第二终端设备发送所述第一指示信息;
    所述第三指示信息用于指示所述第一终端设备发送所述候选中继列表。
  8. 根据权利要求2或5所述的方法,其特征在于,所述方法还包括:
    接收所述第二终端设备发送的所述第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
  9. 根据权利要求2或5所述的方法,其特征在于,所述方法还包括:
    接收服务中继终端设备发送的所述第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
  10. 根据权利要求2或5所述的方法,其特征在于,所述方法还包括:
    根据资源池配置信息确定所述第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个;
    其中,所述资源池配置信息,是根据网络设备的广播或者网络设备发送的配置信息确定的。
  11. 根据权利要求2或5所述的方法,其特征在于,所述方法还包括:
    接收网络终端设备发送的所述第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
  12. 根据权利要求2或5所述的方法,其特征在于,所述方法还包括:
    确定所述第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
  13. 根据权利要求2或5所述的方法,其特征在于,所述信道测量值为侧行链路发现信号的参考信号接收功率SD-RSRP,或者为侧行链路通信信号的参考信号接收功率SL-RSRP。
  14. 根据权利要求1所述的方法,其特征在于,所述方法还包括:
    接收所述第二终端设备发送的第四指示信息;
    所述第四指示信息携带所述第二终端设备确定的目标中继终端设备的标识。
  15. 根据权利要求14所述的方法,其特征在于,所述方法还包括:
    向所述第二终端设备发送确认指示信息。
  16. 根据权利要求14所述的方法,其特征在于,所述方法还包括:
    与所述目标中继终端设备建立连接。
  17. 根据权利要求14所述的方法,其特征在于,所述方法还包括:
    通过所述目标中继终端设备与所述第二终端设备建立连接。
  18. 根据权利要求15-17任一项所述的方法,其特征在于,所述方法还包括:
    响应于所述第一终端设备与所述目标中继终端设备建立连接失败,向所述第二终端发送拒绝指示信息。
  19. 一种中继连接方法,其特征在于,所述方法由第二终端设备执行,所述方法包括:
    接收第一终端设备发送的第一指示信息;
    所述第一指示信息包括候选中继列表;所述候选中继列表中包括至少一个候选中继终端设备的标识,所述至少一个候选中继终端设备用于建立所述第一终端设备与所述第二终端设备之间中继连接。
  20. 根据权利要求19所述的方法,其特征在于,所述至少一个候选中继终端设备符合以下条件中的至少一种:
    属于第一终端设备发现的至少一个中继终端设备;
    不属于服务中继终端设备;
    与所述第一终端设备之间的信道测量值高于第一门限值;
    具有与第二终端设备建立连接的能力;
    与所述第一终端设备之间的信道测量值,高于所述第一终端设备与所述第二终端设备之间的信道测量值和第一偏移值的和;
    与所述第一终端设备之间的信道测量值,高于所述第一终端设备与服务中继终端设备之间的信道测量值和第二偏移值的和。
  21. 根据权利要求19所述的方法,其特征在于,所述第一指示信息包括所述第一终端设备与所述 至少一个候选终端设备的信道测量值。
  22. 根据权利要求19所述的方法,其特征在于,所述第一指示信息包括所述第一终端设备与所述第二终端设备之间,或所述第一终端设备与服务中继终端设备之间的信道测量值。
  23. 根据权利要求20所述的方法,其特征在于,所述方法还包括:
    向所述第一终端设备发送的所述第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个;
    所述第二门限值和所述第三门限值用于触发所述第一终端设备发送所述第一指示信息。
  24. 根据权利要求20所述的方法,其特征在于,所述信道测量值为侧行链路发现信号的参考信号接收功率SD-RSRP,或者为侧行链路通信信号的参考信号接收功率SL-RSRP。
  25. 根据权利要求19所述的方法,其特征在于,所述方法还包括:
    向所述第一终端设备发送第四指示信息;
    所述第四指示信息携带所述第二终端设备确定的目标中继终端设备的标识。
  26. 根据权利要求25所述的方法,其特征在于,所述方法还包括:
    接收所述第一终端设备发送的确认指示信息;
    通过所述目标中继终端设备与所述第一终端设备建立连接。
  27. 根据权利要求25或26所述的方法,其特征在于,所述方法还包括:
    响应于所述第一终端设备与所述目标中继终端设备建立连接失败,接收所述第一终端发送的拒绝指示信息。
  28. 根据权利要求19所述的方法,其特征在于,所述方法还包括:
    响应于未接收到所述第一终端设备发送的所述第一指示信息,向所述第一终端设备发送第二指示信息;
    所述第二指示信息用于指示所述第一终端设备发送所述候选中继列表。
  29. 一种中继连接方法,其特征在于,所述方法由网络设备执行,所述方法包括:
    向第一终端设备发送第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个;
    所述第一偏移值,第二偏移值和第一门限值用于确定至少一个候选中继终端设备,所述第二门限值和所述第三门限值用于触发所述第一终端设备发送所述第一指示信息;所述第一指示信息包括候选中继列表;所述候选中继列表中包括所述至少一个候选中继终端设备的标识,所述至少一个候选中继终端设备用于建立所述第一终端设备与所述第二终端设备之间中继连接。
  30. 根据权利要求29所述的方法,其特征在于,所述向第一终端设备发送第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个,包括:
    向所述第一终端设备发送广播消息,所述广播消息中携带有所述第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
  31. 根据权利要求29所述的方法,其特征在于,所述向第一终端设备发送第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个,包括:
    向所述第一终端设备发送与所述第一终端设备对应的第一信令,所述第一信令中携带有所述第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个。
  32. 一种中继连接装置,其特征在于,所述装置应用于第一终端设备,所述装置包括:
    收发单元,用于向第二终端设备发送第一指示信息;
    所述第一指示信息包括候选中继列表;所述候选中继列表中包括至少一个候选中继终端设备的标识,所述至少一个候选中继终端设备用于建立所述第一终端设备与所述第二终端设备之间中继连接。
  33. 一种中继连接装置,其特征在于,所述装置应用于第二终端设备,所述装置包括:
    收发单元,用于接收第一终端设备发送的第一指示信息;
    所述第一指示信息包括候选中继列表;所述候选中继列表中包括至少一个候选中继终端设备的标识,所述至少一个候选中继终端设备用于建立所述第一终端设备与所述第二终端设备之间中继连接。
  34. 一种中继连接装置,其特征在于,所述装置应用于网络设备,所述装置包括:
    收发单元,用于向第一终端设备发送第一偏移值,第二偏移值,第一门限值,第二门限值,第三门限值中的至少一个;
    所述第一偏移值,第二偏移值和第一门限值用于确定至少一个候选中继终端设备,所述第二门限值和所述第三门限值用于触发所述第一终端设备发送所述第一指示信息;所述第一指示信息包括候选中继列表;所述候选中继列表中包括所述至少一个候选中继终端设备的标识,所述至少一个候选中继终端设备用于建立所述第一终端设备与第二终端设备之间中继连接。
  35. 一种通信装置,其特征在于,所述装置包括处理器和存储器,所述存储器中存储有计算机程序,所述处理器执行所述存储器中存储的计算机程序,以使所述装置执行如权利要求1至18中任一项所述的方法,或者执行如权利要求19至28中任一项所述的方法。
  36. 一种通信装置,其特征在于,所述装置包括处理器和存储器,所述存储器中存储有计算机程序,所述处理器执行所述存储器中存储的计算机程序,以使所述装置执行如权利要求29至31中任一项所述的方法。
  37. 一种通信装置,其特征在于,包括:处理器和接口电路;
    所述接口电路,用于接收代码指令并传输至所述处理器;
    所述处理器,用于运行所述代码指令以执行如权利要求1至18中任一项所述的方法,或者执行如权利要求19至28中任一项所述的方法。
  38. 一种通信装置,其特征在于,包括:处理器和接口电路;
    所述接口电路,用于接收代码指令并传输至所述处理器;
    所述处理器,用于运行所述代码指令以执行如权利要求29至31中任一项所述的方法。
  39. 一种计算机可读存储介质,用于存储有指令,当所述指令被执行时,使如权利要求1至18中任一项所述的方法被实现,或者使如权利要求19至28中任一项所述的方法被实现。
  40. 一种计算机可读存储介质,用于存储有指令,当所述指令被执行时,使如权利要求29至31中任一项所述的方法被实现。
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