WO2023226999A1 - 通信方法、装置、设备及存储介质 - Google Patents

通信方法、装置、设备及存储介质 Download PDF

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Publication number
WO2023226999A1
WO2023226999A1 PCT/CN2023/095909 CN2023095909W WO2023226999A1 WO 2023226999 A1 WO2023226999 A1 WO 2023226999A1 CN 2023095909 W CN2023095909 W CN 2023095909W WO 2023226999 A1 WO2023226999 A1 WO 2023226999A1
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WO
WIPO (PCT)
Prior art keywords
terminal device
positioning reference
reference signal
indication information
timer
Prior art date
Application number
PCT/CN2023/095909
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English (en)
French (fr)
Inventor
雷珍珠
Original Assignee
展讯半导体(南京)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
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Publication of WO2023226999A1 publication Critical patent/WO2023226999A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W64/00Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Definitions

  • the present application relates to the field of communication technology, and in particular, to a communication method, device, equipment and storage medium.
  • the third generation partnership project (3GPP) is studying positioning technology based on side link, that is, positioning between terminal devices is achieved through a side link; for example, the first terminal device sends a positioning reference signal , the second terminal device receives the positioning reference signal and measures the positioning reference signal to obtain the location information of the second terminal device.
  • the first terminal device needs to continuously send positioning reference signals so that the second terminal device can measure the positioning reference signals sent by the first terminal device at any time, resulting in high energy consumption of the terminal device.
  • Embodiments of the present application provide a communication method, device, equipment and storage medium to reduce energy consumption of terminal equipment.
  • embodiments of the present application provide a communication method for use in a first terminal device.
  • the method includes:
  • a positioning reference signal is sent to the second terminal device; the positioning reference signal is used to determine the location of the second terminal device.
  • the measurement request information includes at least one of the following:
  • the measurement timing length of the positioning reference signal is the measurement timing length of the positioning reference signal.
  • the method further includes:
  • determining whether to continue sending positioning reference signals to the second terminal device according to the first indication information includes:
  • the first indication information indicates to continue sending, then determine to continue sending the positioning reference signal to the second terminal device;
  • the first indication information indicates to stop sending, it is determined to stop sending the positioning reference signal to the second terminal device.
  • the first indication information is transmitted through a physical side chain feedback channel PSFCH.
  • the first indication information is indicated by preset bits in the PSFCH.
  • the method further includes:
  • the second indication information continue to send the positioning reference signal to the second terminal device.
  • receiving the second indication information sent by the second terminal device includes:
  • the first timer is started at the first moment, and during the running of the first timer, the second indication information sent by the second terminal device is received.
  • continuing to send a positioning reference signal to the second terminal device according to the second indication information includes:
  • the first timer is restarted, and the positioning reference signal is continued to be sent to the second terminal device during the running of the first timer.
  • the method further includes:
  • the method further includes:
  • the positioning reference signal is stopped being sent to the second terminal device.
  • the second indication information is transmitted through PSFCH.
  • the second indication information is indicated by preset bits in the PSFCH.
  • the method further includes:
  • receiving the third indication information sent by the second terminal device includes:
  • the second timer is started at the first moment, and during the running of the second timer, the third indication information sent by the second terminal device is received.
  • the time when sending the positioning reference signal is stopped is less than or equal to the expiration time of the second timer.
  • the method further includes:
  • the positioning reference signal continues to be sent to the second terminal device.
  • the method further includes:
  • the third indication information is transmitted through PSFCH.
  • the third indication information is indicated by preset bits in the PSFCH.
  • the method further includes:
  • the first time is the time when the positioning reference signal starts to be sent to the second terminal device; the time between the first time and the time when the measurement request information is received The interval is greater than or equal to 0.
  • an embodiment of the present application provides a communication device, including a receiving module and a sending module, wherein,
  • the receiving module is configured to receive measurement request information sent by the second terminal device
  • the sending module is configured to send a positioning reference signal to the second terminal device according to the measurement request information; the positioning reference signal is used to determine the position of the second terminal device.
  • embodiments of the present application provide an electronic device, including a processor and a memory;
  • the memory stores computer execution instructions
  • the processor executes computer execution instructions stored in the memory, so that the processor executes the communication method according to any one of the first aspects.
  • embodiments of the present application provide a computer-readable storage medium.
  • Computer-executable instructions are stored in the computer-readable storage medium. When the computer-executable instructions are executed by a processor, they are used to implement any one of the first aspects. The communication method described in the item.
  • embodiments of the present application provide a computer program product, which includes a computer program.
  • the computer program When executed by a processor, it can implement any of the communication methods described in the first aspect.
  • Embodiments of the present application provide a communication method, device, equipment and storage medium that receive measurement request information sent by a second terminal device and send a positioning reference signal to the second terminal device according to the measurement request information.
  • the first terminal device does not need to send positioning reference signals all the time, which reduces the energy consumption of the terminal device.
  • embodiments of the present application provide a communication method for use in a second terminal device.
  • the method includes:
  • the location of the second terminal device is determined.
  • the measurement request information includes at least one of the following:
  • the measurement timing length of the positioning reference signal is the measurement timing length of the positioning reference signal.
  • the method further includes:
  • the indication information is transmitted through PSFCH.
  • the indication information is indicated by preset bits in the PSFCH.
  • an embodiment of the present application provides a communication device, including a sending module and a receiving module, wherein,
  • the sending module is configured to send measurement request information to the first terminal device
  • the receiving module is configured to receive the positioning reference signal sent by the first terminal device.
  • embodiments of the present application provide an electronic device, including a processor and a memory;
  • the memory stores computer execution instructions
  • the processor executes the computer execution instructions stored in the memory, so that the processor executes the communication method according to any one of the sixth aspects.
  • embodiments of the present application provide a computer-readable storage medium.
  • Computer-executable instructions are stored in the computer-readable storage medium. When the computer-executable instructions are executed by a processor, they are used to implement any one of the sixth aspects.
  • embodiments of the present application provide a computer program product, including a computer program.
  • the computer program is executed by a processor, the communication method described in any one of the sixth aspects can be implemented.
  • Embodiments of the present application provide a communication method, device, equipment and storage medium to send measurement request information to a first terminal device and receive a positioning reference signal sent by the first terminal device.
  • the second terminal device only sends measurement request information to the first terminal device when it has a positioning requirement.
  • the first terminal device sends positioning reference signals based on the measurement request information of the second terminal device.
  • the first terminal device does not need to send positioning reference signals all the time. Reduces the energy consumption of terminal equipment.
  • Figure 1 is a schematic diagram of an application scenario provided by an embodiment of the present application.
  • FIG. 2 is a schematic flowchart 1 of the communication method provided by the embodiment of the present application.
  • Figure 3 is a schematic flow chart 2 of the communication method provided by the embodiment of the present application.
  • FIG. 4 is a schematic flowchart three of the communication method provided by the embodiment of the present application.
  • Figure 5 is a schematic diagram of the transmission structure of the positioning reference signal provided by the embodiment of the present application.
  • FIG. 6 is a schematic flowchart 4 of the communication method provided by the embodiment of the present application.
  • Figure 7 is a schematic flow chart 5 of the communication method provided by the application embodiment.
  • Figure 8 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • Figure 9 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • Figure 10 is a schematic structural diagram of another communication device provided by an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of another electronic device provided by an embodiment of the present application.
  • the embodiments of this application can be applied to 5G (5 Generation) communication systems, 4G, 3G communication systems, and various new communication systems in the future, such as 6G, 7G, etc.
  • the embodiments of this application are also applicable to different network architectures, including but not limited to relay network architecture, dual-link architecture, Vehicle-to-Everything (vehicle-to-everything communication) architecture and other architectures.
  • the interface for transmitting data can be called a PC5 interface or a Sidelink interface.
  • Terminal equipment is a device with wireless sending and receiving functions. Terminal devices can be deployed on land, including indoors or outdoors, handheld, wearable or vehicle-mounted; they can also be deployed on water (such as ships, etc.); they can also be deployed in the air (such as aircraft, balloons, satellites, etc.).
  • the terminal device can be a mobile phone (mobile phone), tablet computer (pad), computer with wireless transceiver function, virtual reality (VR) terminal device, augmented reality (AR) terminal device, industrial control (industrial control) ), wireless terminals in vehicle terminal equipment, wireless terminals in self-driving, Wireless terminal equipment in remote medical, wireless terminal equipment in smart grid, wireless terminal equipment in transportation safety, wireless terminal equipment in smart city, smart home Wireless terminal equipment, wearable terminal equipment, etc. in (smart home).
  • the terminal equipment involved in the embodiments of this application may also be called terminal, user equipment (UE), access terminal equipment, vehicle terminal, industrial control terminal, UE unit, UE station, mobile station, mobile station, remote station , remote user equipment, mobile equipment, wireless communication equipment, UE agent or UE device, etc.
  • Terminal equipment can also be fixed or mobile.
  • Figure 1 is a schematic diagram of an application scenario provided by an embodiment of the present application. Please refer to Figure 1, including terminal device 101 and terminal device 102.
  • the terminal device 101 and the terminal device 102 may communicate through a secondary link.
  • the terminal device 101 and the terminal device 102 may be located within the coverage range of the network device at the same time, or may be located within the coverage range of the network device at the same time, or one of them may be located within the coverage range of the network device and the other may be located outside the coverage range of the network device.
  • the terminal device 101 can send a positioning reference signal to the terminal device 102 through the PC5 interface.
  • the terminal device 102 can measure the received positioning reference signal and measure it, and obtain the position of the terminal device 102 according to the measurement results.
  • the position can be the terminal device 102 relative position or absolute position.
  • the terminal device 101 needs to continuously send positioning reference signals so that the terminal device 102 can measure the positioning reference signals sent by the terminal device 101 at any time, resulting in high energy consumption of the terminal device.
  • this application provides a communication method.
  • the first terminal device only sends a positioning reference signal after receiving the measurement request information sent by the second terminal device, which reduces the energy consumption of the terminal device.
  • FIG. 2 is a schematic flowchart 1 of a communication method provided by an embodiment of the present application. See Figure 2, the method can include:
  • the second terminal device sends measurement request information to the first terminal device.
  • the execution subject of the embodiment of the present application may be a terminal device, or may be a communication device provided in the terminal device.
  • the communication device can be implemented through software or through a combination of software and hardware.
  • the communication device can be a chip, a chip module, or an integrated development environment (Integrated Development Environment, IDE), etc.
  • the measurement request information may include at least one of the following:
  • the measurement opportunity length of the positioning reference signal is the measurement opportunity length of the positioning reference signal.
  • the second terminal device may send the measurement request information to the first terminal device in a broadcast, multicast or unicast manner.
  • the first terminal device sends a positioning reference signal to the second terminal device according to the measurement request information.
  • the first terminal device After receiving the measurement request information, the first terminal device triggers the transmission of the positioning reference signal.
  • the first terminal device can immediately send the positioning reference signal to the second terminal device when receiving the measurement request information; the first terminal device can also send the positioning reference signal to the second terminal device after a period of time after receiving the measurement request information. Signal.
  • the positioning reference signal can be the channel sounding reference signal (SRS) in the existing protocol, or the positioning reference signal (POS) (PRS), or it can be a newly defined positioning reference signal.
  • SRS channel sounding reference signal
  • POS positioning reference signal
  • PRS positioning reference signal
  • the number of sending positioning reference signals can be multiple.
  • the second terminal device measures the positioning reference signal and obtains the measurement result.
  • the second terminal device may determine the location of the second terminal device by measuring positioning reference signals sent by multiple first terminal devices.
  • the measurement results can be the arrival time, angle of arrival, etc. of the positioning reference signal.
  • the second terminal device determines the location of the second terminal device according to the measurement result.
  • the position can be relative or absolute.
  • the measurement request information sent by the second terminal device is received, and the positioning reference signal is sent to the second terminal device according to the measurement request information; the second terminal device measures the positioning reference signal and obtains the measurement result; according to The measurement results determine the location of the second terminal device.
  • the first terminal device sends the positioning reference signal after receiving the measurement request information, which reduces the energy consumption of the terminal device.
  • FIG 3 is a schematic flowchart 2 of the communication method provided by the embodiment of the present application. See Figure 3, the method includes:
  • the second terminal device sends measurement request information to the first terminal device.
  • the first terminal device sends a positioning reference signal to the second terminal device according to the measurement request information.
  • the first terminal device starts the third timer at the first moment. If the third timer times out, stops sending the positioning reference signal to the second terminal device.
  • the first moment is the moment when the first terminal device starts sending the positioning reference signal to the second terminal device.
  • the time interval between the first time and the time when the measurement request information is received is greater than or equal to 0.
  • the first terminal device when receiving the measurement request information, can start the third timer and send the positioning reference signal to the second terminal device.
  • the first terminal device may start the third timer at intervals of a period of time after receiving the measurement request information.
  • the first terminal device keeps sending the positioning reference signal to the second terminal device.
  • While the third timer is running, if the first terminal device receives measurement request information sent by the second terminal device again, it restarts the third timer according to the new measurement request information.
  • the first terminal device receives new measurement request information when the third timer runs to the 30 ms, it restarts the third timer and starts counting from 0.
  • the time unit of the third timer may be the number of times the positioning reference signal is sent, or it may be ms, or it may be a time slot, etc.
  • the first terminal device receives the measurement request information sent by the second terminal device; sends a positioning reference signal to the second terminal device according to the measurement request information; the first terminal device starts the third terminal device at the first moment. timer, if the third timer times out, stop sending the positioning reference signal to the second terminal device.
  • the first terminal device sends the positioning reference signal after receiving the measurement request information, which reduces the energy consumption of the terminal device; at the same time, the first terminal device sets a timer and can only send the positioning reference signal during the running of the timer, further reducing the energy consumption of the terminal device.
  • the energy consumption of terminal equipment is not limited to reduce the measurement request information sent by the second terminal device.
  • FIG 4 is a schematic flowchart three of the communication method provided by the embodiment of the present application. See Figure 4, the method includes:
  • the second terminal device sends measurement request information to the first terminal device.
  • the first terminal device sends a positioning reference signal to the second terminal device according to the measurement request information.
  • the second terminal device sends the first instruction information to the first terminal device.
  • the second terminal device may send the first indication information to the first terminal device according to the measurement result of the positioning reference signal.
  • the first indication information may be transmitted through a physical sidelink feedback channel (PSFCH).
  • PSFCH physical sidelink feedback channel
  • the first indication information may be represented by preset bits in the PSFCH.
  • the value of the preset bit in the PSFCH is 0, it means that the first indication information instructs to stop sending; if the value of the preset bit in the PSFCH is 1, it means that the first indication information instructs to continue sending.
  • the transmission structure of the positioning reference signal is shown in Figure 5.
  • the second terminal device receives the positioning reference signal, it first needs to decode the sidelink control information (SCI) and then receive the positioning reference signal. , and then feedback can be provided through PSFCH.
  • SCI sidelink control information
  • the first terminal device determines whether to continue sending the positioning reference signal to the second terminal device according to the first instruction information.
  • the first terminal device may determine whether to continue sending the positioning reference signal to the second terminal device by measuring the indication information in the PSFCH.
  • the first indication information indicates to continue sending, it is determined to continue sending the positioning reference signal to the second terminal device; if the first indication information indicates to stop sending, it is determined to stop sending the positioning reference signal to the second terminal device.
  • the first terminal device receives the indication information at the first moment, and the indication information indicates to continue sending, it determines to continue sending the positioning reference signal to the second terminal device; if it receives the indication information at the second moment, the indication information indicates to stop sending, Then it is determined to stop sending the positioning reference signal to the second terminal device.
  • the first terminal device receives the measurement request information sent by the second terminal device; sends a positioning reference signal to the second terminal device according to the measurement request information; and the second terminal device sends a positioning reference signal to the first terminal device.
  • First indication information the first terminal device determines whether to continue sending the positioning reference signal to the second terminal device according to the first indication information.
  • the first terminal device sends the positioning reference signal after receiving the measurement request information, which reduces the energy consumption of the terminal device; at the same time, the first terminal device can also Determining whether to continue sending the positioning reference signal is based on the received first indication information, further reducing energy consumption of the terminal device.
  • Figure 6 is a schematic flowchart 4 of the communication method provided by the embodiment of the present application. See Figure 6. The method includes:
  • the second terminal device sends measurement request information to the first terminal device.
  • the first terminal device sends a positioning reference signal to the second terminal device according to the measurement request information.
  • the second terminal device determines whether the first terminal device needs to continue sending positioning reference signals.
  • the second terminal device may determine whether the first terminal device needs to continue sending the positioning reference signal based on the measurement result of the positioning reference signal.
  • the second terminal device does not send the second instruction information to the first terminal device.
  • the second instruction information instructs the first terminal device to continue sending positioning reference signals.
  • the first terminal device On the premise that the first terminal device does not receive the second indication information, it stops sending the positioning reference signal to the second terminal device.
  • the first terminal device may be equipped with a timer and start the first timer at the first moment. During the running of the first timer, if the second instruction information sent by the second terminal device is not received, the first terminal device may start the first timer at the first time. After the timer times out, stop sending the positioning reference signal to the second terminal device.
  • the duration of the first timer may be 50 ms; the first terminal device may start the first timer after receiving the measurement request information. If the first timer is not received during the running of the first timer, the first terminal device may not receive the measurement request information. second indication information, then after the first timer times out, stop sending the positioning reference signal to the second terminal device.
  • the second terminal device sends the second instruction information to the first terminal device.
  • the second indication information may be transmitted through the PSFCH.
  • the second terminal device when the second terminal device receives the positioning reference signal, it first needs to decode the SCI and then receive the positioning reference signal, and then feedback can be provided through the PSFCH.
  • the second indication information may be represented by preset bits in the PSFCH.
  • the value of the preset bit in the PSFCH may be 1, indicating that the second indication information instructs to continue sending the positioning reference signal.
  • the first terminal device continues to send the positioning reference signal to the second terminal device according to the second instruction information.
  • the first terminal device can also set a timer to control the time for sending the positioning reference signal.
  • the specific methods are as follows:
  • the duration of the first timer can be 50ms; the first terminal device can start the first timer after receiving the measurement request information, and send the positioning reference signal to the second terminal device while the first timer is running; if When the first timer runs to the 20th ms, and the second instruction information sent by the second terminal device is received, the first timer is restarted and starts timing from 0, and after the first timer runs for 50ms, it stops transmitting data to the second terminal device.
  • the device sends a positioning reference signal.
  • the time unit of the first timer may be the number of times the positioning reference signal is sent, or it may be ms, or it may be a time slot, etc.
  • the time at which the first terminal device sends the positioning reference signal can be further controlled, further reducing the energy consumption of the terminal device.
  • the first terminal device receives the measurement request information sent by the second terminal device; sends a positioning reference signal to the second terminal device according to the measurement request information; the second terminal device determines whether the first terminal is needed The device continues to send positioning reference signals; if not, the first terminal device stops sending positioning reference signals to the second terminal device; if yes, the second terminal device sends second indication information to the first terminal device, and the first terminal device Second indication information, continue to send positioning reference signals to the second terminal device.
  • the first terminal device sends the positioning reference signal after receiving the measurement request information, which reduces the energy consumption of the terminal device; at the same time, the first terminal device can also determine the duration of sending the positioning reference signal based on whether the second indication information is received. Further reducing the energy consumption of terminal equipment.
  • Figure 7 is a schematic flow chart 5 of the communication method provided by the application embodiment. See Figure 7, the method includes:
  • the second terminal device sends measurement request information to the first terminal device.
  • the first terminal device sends a positioning reference signal to the second terminal device according to the measurement request information.
  • the second terminal device determines whether the first terminal device needs to continue sending positioning reference signals.
  • the second terminal device may determine whether the first terminal device needs to continue sending the positioning reference signal based on the measurement result of the positioning reference signal.
  • the second terminal device does not send the third instruction information to the first terminal device.
  • the third instruction information instructs the first terminal device to stop sending the positioning reference signal.
  • the first terminal device does not receive the third indication information sent by the second terminal device, it continues to send the positioning reference signal to the second terminal device.
  • the first terminal device may set up a timer and start the second timer at the first moment.
  • the second timer may be started at the second timer. After the timer times out, stop sending the positioning reference signal to the second terminal device.
  • the duration of the second timer may be 50 ms; the first terminal device may start the second timer after receiving the measurement request information. If the second timer is not received during the running of the second timer, the first terminal device may not receive the second timer. three indication information, then after the second timer times out, stop sending the positioning reference signal to the second terminal device.
  • the second terminal device sends third instruction information to the first terminal device.
  • the third indication information may be transmitted through the PSFCH.
  • the second terminal device when the second terminal device receives the positioning reference signal, it first needs to decode the SCI and then receive the positioning reference signal, and then feedback can be provided through the PSFCH.
  • the third indication information may be represented by preset bits in the PSFCH.
  • the value of the preset bit in the PSFCH may be 0, indicating that the third indication information indicates to stop transmitting the positioning reference signal.
  • the first terminal device stops sending the positioning reference signal to the second terminal device according to the third instruction information.
  • the first terminal device can also set a timer to control The time when the positioning reference signal is sent.
  • the specific methods are as follows:
  • the duration of the second timer can be 50ms; the first terminal device can start the second timer after receiving the measurement request information, and send the positioning reference signal to the second terminal device while the second timer is running; if When the second timer runs to the 10th ms, and the third indication information sent by the second terminal device is received, the positioning reference signal is immediately stopped being sent to the second terminal device.
  • the time unit of the second timer may be the number of times the positioning reference signal is sent, or it may be ms, or it may be a time slot, etc.
  • the time at which the first terminal device sends the positioning reference signal can be further controlled, further reducing the energy consumption of the terminal device.
  • the first terminal device receives the measurement request information sent by the second terminal device; sends a positioning reference signal to the second terminal device according to the measurement request information; the second terminal device determines whether the first terminal device is needed The device continues to send the positioning reference signal; if yes, the second terminal device does not send the third indication information to the first terminal device; if not, the second terminal device sends the third indication information to the first terminal device; the first terminal device sends the third indication information to the first terminal device according to The third instruction information is to stop sending the positioning reference signal to the second terminal device.
  • the first terminal device sends the positioning reference signal after receiving the measurement request information, which reduces the energy consumption of the terminal device; at the same time, the first terminal device can also determine the duration of sending the positioning reference signal based on whether the third indication information is received. Further reducing the energy consumption of terminal equipment.
  • Figure 8 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • the device 10 includes: a first receiving module 11 and a first sending module 12, where,
  • the first receiving module 11 is configured to receive measurement request information sent by the second terminal device
  • the first sending module 12 is configured to send a positioning reference signal to the second terminal device according to the measurement request information; the positioning reference signal is used to determine the location of the second terminal device.
  • the measurement request information includes at least one of the following:
  • the measurement timing length of the positioning reference signal is the measurement timing length of the positioning reference signal.
  • the device 10 further includes a second receiving module and a determining module, wherein,
  • the second receiving module is configured to receive the first indication information sent by the second terminal device
  • the determining module is configured to determine whether to continue sending positioning reference signals to the second terminal device according to the first indication information.
  • the determining module is specifically used to:
  • the first indication information indicates to continue sending, then determine to continue sending the positioning reference signal to the second terminal device;
  • the first indication information indicates to stop sending, it is determined to stop sending the positioning reference signal to the second terminal device.
  • the first indication information is transmitted through a physical side chain feedback channel PSFCH.
  • the first indication information is indicated by preset bits in the PSFCH.
  • the device 10 further includes a third receiving module and a second sending module, wherein,
  • the third receiving module is configured to receive the second indication information sent by the second terminal device,
  • the second sending module is configured to continue sending positioning reference signals to the second terminal device according to the second indication information.
  • the third receiving module is specifically used to:
  • the first timer is started at the first moment, and during the running of the first timer, the second indication information sent by the second terminal device is received.
  • the second sending module is specifically used to:
  • the first timer is restarted, and while the first timer is running, the positioning reference signal is continued to be sent to the second terminal device.
  • the device 10 further includes a first stop module, the first stop module is used for:
  • the device 10 further includes a second stop module, the second stop module is used for:
  • the positioning reference signal is stopped being sent to the second terminal device.
  • the second stop module is specifically used to:
  • the second indication information is transmitted through PSFCH.
  • the second indication information is indicated by preset bits in the PSFCH.
  • the device 10 further includes a fourth receiving module and a third stopping module, wherein:
  • the fourth receiving module is configured to receive the third indication information sent by the second terminal device,
  • the third stopping module is configured to stop sending the positioning reference signal to the second terminal device according to the third indication information.
  • the fourth receiving module is specifically used to:
  • the second timer is started at the first moment, and during the running of the second timer, the third indication information sent by the second terminal device is received.
  • the third stopping module is specifically configured to: the stopping time is less than or equal to the expiration time of the second timer.
  • the device 10 further includes a third sending module, the third sending module is used for:
  • the positioning reference signal continues to be sent to the second terminal device.
  • the third sending module is specifically used to:
  • the third indication information is transmitted through PSFCH.
  • the third indication information is indicated by preset bits in the PSFCH.
  • the device 10 further includes a fourth stop module, the fourth stop module is used for:
  • the first time is the time when the positioning reference signal starts to be sent to the second terminal device; the time between the first time and the time when the measurement request information is received The interval is greater than or equal to 0.
  • the communication device 10 provided in the embodiment of the present application can execute the technical solution shown in the above method embodiment. Its implementation principles and beneficial effects are similar and will not be described again this time.
  • FIG. 9 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • the electronic device 20 includes a transceiver 21 , a memory 22 , and a processor 23 .
  • Transceiver 21 may include a transmitter and/or a receiver.
  • the transmitter may also be referred to as a transmitter, a transmitter, a transmitting port or a transmitting interface, and similar descriptions
  • the receiver may also be referred to as a receiver, a receiver, a receiving port, a receiving interface, and similar descriptions.
  • the transceiver 21, the memory 22, and the processor 23 are connected to each other through a bus 24.
  • Memory 22 is used to store program instructions
  • the processor 23 is used to execute program instructions stored in the memory, so that the electronic device 20 executes any of the communication methods shown above.
  • the transceiver 21 is used to perform the transceiver function of the electronic device 20 in the above communication method.
  • Electronic equipment can be chips, modules, IDE, etc.
  • the electronic device shown in the embodiment of FIG. 9 can execute the technical solution shown in the above method embodiment.
  • the implementation principles and beneficial effects are similar and will not be described again here.
  • Figure 10 is a schematic structural diagram of another communication device provided by an embodiment of the present application.
  • the device 30 includes: a first sending module 31, a receiving module 32, a measuring module 33 and a determining module 34, where,
  • the first sending module 31 is configured to send measurement request information to the first terminal device
  • the receiving module 32 is configured to receive the positioning reference signal sent by the first terminal device
  • the measurement module 33 is used to measure the positioning reference signal and obtain measurement results
  • the determining module 34 is configured to determine the location of the second terminal device according to the measurement result.
  • the measurement request information includes at least one of the following:
  • the measurement timing length of the positioning reference signal is the measurement timing length of the positioning reference signal.
  • the device 30 further includes a second sending module, and the second sending module
  • the delivery module is specifically used for:
  • the indication information is transmitted through PSFCH.
  • the indication information is indicated by preset bits in the PSFCH.
  • the communication device 30 provided in the embodiment of the present application can execute the technical solution shown in the above method embodiment. Its implementation principles and beneficial effects are similar and will not be described again this time.
  • FIG. 11 is a schematic structural diagram of another electronic device provided by an embodiment of the present application.
  • the electronic device 40 includes: a transceiver 41 , a memory 42 , and a processor 23 .
  • Transceiver 41 may include a transmitter and/or a receiver.
  • the transmitter may also be referred to as a transmitter, a transmitter, a transmitting port or a transmitting interface, and similar descriptions
  • the receiver may also be referred to as a receiver, a receiver, a receiving port, a receiving interface, and similar descriptions.
  • the transceiver 41, the memory 42, and the processor 43 are connected to each other through a bus 44.
  • Memory 42 is used to store program instructions
  • the processor 43 is used to execute program instructions stored in the memory, so that the electronic device 40 executes any of the communication methods shown above.
  • the transceiver 41 is used to perform the transceiver function of the electronic device 40 in the above communication method.
  • Electronic equipment can be chips, modules, IDE, etc.
  • the electronic device shown in the embodiment of FIG. 11 can execute the technical solution shown in the above method embodiment.
  • the implementation principles and beneficial effects are similar and will not be described again here.
  • Embodiments of the present application provide a computer-readable storage medium.
  • Computer-executable instructions are stored in the computer-readable storage medium. When the computer-executable instructions are executed by a processor, they are used to implement the above communication method.
  • Embodiments of the present application can also provide a computer program product, which can be executed by a processor.
  • the computer program product When the computer program product is executed, the communication method executed by any of the electronic devices shown above can be implemented.
  • the terminal equipment, computer-readable storage media and computer program products of the embodiments of the present application can execute the above-mentioned communication method.
  • the specific implementation process and beneficial effects are as mentioned above, and will not be described again here.
  • the aforementioned program can be stored in a readable memory.
  • the steps including the above method embodiments are executed; and the aforementioned memory (storage medium) includes: read-only memory (English) Text: read-only memory, abbreviation: ROM), RAM, flash memory, hard disk, solid state drive, magnetic tape (English: magnetic tape), floppy disk (English: floppy disk), optical disk (English: optical disc) and any combination thereof .
  • Embodiments of the present application are described with reference to flowcharts and/or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present application. It will be understood that each process and/or block in the flowchart illustrations and/or block diagrams, and combinations of processes and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processing unit of a general purpose computer, special purpose computer, embedded processor or other programmable data processing device to produce a machine, such that the instructions executed by the processing unit of the computer or other programmable data processing device produce a A device for realizing the functions specified in one process or multiple processes of the flowchart and/or one block or multiple blocks of the block diagram.
  • These computer program instructions may also be stored in a computer-readable memory that causes a computer or other programmable data processing apparatus to operate in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction means, the instructions
  • the device implements the functions specified in a process or processes of the flowchart and/or a block or blocks of the block diagram.
  • These computer program instructions may also be loaded onto a computer or other programmable data processing device, causing a series of operating steps to be performed on the computer or other programmable device to produce computer-implemented processing, thereby executing on the computer or other programmable device.
  • Instructions provide steps for implementing the functions specified in a process or processes of a flowchart diagram and/or a block or blocks of a block diagram.

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Abstract

本申请实施例提供一种通信方法、装置、设备及存储介质,接收第二终端设备发送的测量请求信息,根据测量请求信息,向第二终端设备发送定位参考信号,定位参考信号用于确定第二终端设备的位置。降低了终端设备的能耗。

Description

通信方法、装置、设备及存储介质
本申请要求于2022年05月26日提交国家知识产权局、申请号为202210582213.4、申请名称为“通信方法、装置、设备及存储介质”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信技术领域,尤其涉及一种通信方法、装置、设备及存储介质。
背景技术
第三代合作伙伴计划(third generation partnership project,3GPP)正在研究基于直通链路(side link)的定位技术,即终端设备之间通过直通链路实现定位;例如,第一终端设备发送定位参考信号,第二终端设备接收定位参考信号,并对定位参考信号进行测量,得到第二终端设备的位置信息。
在上述定位过程中,第一终端设备需要持续发送定位参考信号,以使第二终端设备可以随时对第一终端设备发送的定位参考信号进行测量,导致终端设备的能耗较高。
发明内容
本申请实施例提供一种通信方法、装置、设备及存储介质,用以降低终端设备的能耗。
第一方面,本申请实施例提供一种通信方法,用于第一终端设备之中,所述方法包括:
接收第二终端设备发送的测量请求信息;
根据所述测量请求信息,向所述第二终端设备发送定位参考信号;所述定位参考信号用于确定所述第二终端设备的位置。
在一种可能的实施方式中,所述测量请求信息包括以下至少一项:
所述定位参考信号的传输次数;
所述定位参考信号的测量时域资源;
所述定位参考信号的测量频域资源;
所述定位参考信号的测量时机起始时间;
所述定位参考信号的测量时机周期;
所述定位参考信号的测量时机长度。
在一种可能的实施方式中,所述方法还包括:
接收所述第二终端设备发送的第一指示信息;
根据所述第一指示信息,确定是否继续向所述第二终端设备发送定位参考信号。
在一种可能的实施方式中,根据所述第一指示信息,确定是否继续向所述第二终端设备发送定位参考信号;包括:
若所述第一指示信息指示继续发送,则确定继续向所述第二终端设备发送定位参考信号;
若所述第一指示信息指示停止发送,则确定停止向所述第二终端设备发送定位参考信号。
在一种可能的实施方式中,所述第一指示信息通过物理侧链反馈信道PSFCH传输。
在一种可能的实施方式中,所述第一指示信息通过所述PSFCH中的预设位比特指示。
在一种可能的实施方式中,所述方法还包括:
接收所述第二终端设备发送的第二指示信息;
根据所述第二指示信息,继续向所述第二终端设备发送定位参考信号。
在一种可能的实施方式中,接收所述第二终端设备发送的第二指示信息,包括:
在第一时刻启动第一定时器,在所述第一定时器运行期间,接收所述第二终端设备发送的所述第二指示信息。
在一种可能的实施方式中,根据所述第二指示信息,继续向所述第二终端设备发送定位参考信号;包括:
根据所述第二指示信息,重启所述第一定时器,在所述第一定时器运行期间继续向所述第二终端设备发送定位参考信号。
在一种可能的实施方式中,所述方法还包括:
所述第一定时器超时后,停止向所述第二终端设备发送所述定位参考信号。
在一种可能的实施方式中,所述方法还包括:
未收到所述第二终端设备发送的第二指示信息,则停止向所述第二终端设备发送定位参考信号。
在一种可能的实施方式中,未收到所述第二终端设备发送的第二指示信息,则停止向所述第二终端设备发送定位参考信号;包括:
在第一时刻启动第一定时器,在所述第一定时器运行期间,未收到所述第二终端设备发送的所述第二指示信息,则在所述第一定时器超时后,停止向所述第二终端设备发送所述定位参考信号。
在一种可能的实施方式中,所述第二指示信息通过PSFCH传输。
在一种可能的实施方式中,所述第二指示信息通过所述PSFCH中的预设位比特指示。
在一种可能的实施方式中,所述方法还包括:
接收所述第二终端设备发送的第三指示信息;
根据所述第三指示信息,停止向所述第二终端设备发送定位参考信号。
在一种可能的实施方式中,接收所述第二终端设备发送的第三指示信息,包括:
在第一时刻启动第二定时器,在所述第二定时器运行期间,接收所述第二终端设备发送的所述第三指示信息。
在一种可能的实施方式中,停止发送定位参考信号的时刻小于或等于所述第二定时器的终止时刻。
在一种可能的实施方式中,所述方法还包括:
未收到所述第二终端设备发送的第三指示信息,则继续向所述第二终端设备发送定位参考信号。
在一种可能的实施方式中,所述方法还包括:
在第一时刻启动第二定时器,在所述第二定时器运行期间,未收到所述第二终端设备发送的所述第三指示信息,则在所述第二定时器超时后,停止向所述第二终端设备发送所述定位参考信号。
在一种可能的实施方式中,所述第三指示信息通过PSFCH传输。
在一种可能的实施方式中,所述第三指示信息通过所述PSFCH中的预设位比特指示。
在一种可能的实施方式中,所述方法还包括:
在第一时刻启动第三定时器,若所述第三定时器超时,停止向所述第二终端设备发送所述定位参考信号。
在一种可能的实施方式中,所述第一时刻为开始向所述第二终端设备发送所述定位参考信号的时刻;所述第一时刻与所述测量请求信息的接收时刻之间的时间间隔大于或等于0。
第二方面,本申请实施例提供一种通信装置,包括接收模块和发送模块,其中,
所述接收模块用于,接收第二终端设备发送的测量请求信息;
所述发送模块用于,根据所述测量请求信息,向所述第二终端设备发送定位参考信号;所述定位参考信号用于确定所述第二终端设备的位置。
第三方面,本申请实施例提供一种电子设备,包括处理器、存储器;
所述存储器存储计算机执行指令;
所述处理器执行所述存储器存储的计算机执行指令,使得所述处理器执行如第一方面任一项所述的通信方法。
第四方面,本申请实施例提供一种计算机可读存储介质,所述计算机可读存储介质中存储有计算机执行指令,当所述计算机执行指令被处理器执行时用于实现第一方面任一项所述的通信方法。
第五方面,本申请实施例提供一种计算机程序产品,包括计算机程序,所述计算机程序被处理器执行时,可实现第一方面任一项所述的通信方法。
本申请实施例提供一种通信方法、装置、设备及存储介质,接收第二终端设备发送的测量请求信息,根据测量请求信息,向第二终端设备发送定位参考信号。第一终端设备无需一直发送定位参考信号,降低了终端设备的能耗。
第六方面,本申请实施例提供一种通信方法,用于第二终端设备之中,所述方法包括:
向第一终端设备发送测量请求信息;
接收所述第一终端设备发送的定位参考信号;
测量所述定位参考信号,得到测量结果;
根据所述测量结果,确定所述第二终端设备的位置。
在一种可能的实施方式中,所述测量请求信息包括以下至少一项:
所述定位参考信号的传输次数;
所述定位参考信号的测量时域资源;
所述定位参考信号的测量频域资源;
所述定位参考信号的测量时机起始时间;
所述定位参考信号的测量时机周期;
所述定位参考信号的测量时机长度。
在一种可能的实施方式中,所述方法还包括:
向第一终端设备发送指示信息;所述指示信息用于指示所述第一终端设备是否继续发送定位参考信号。
在一种可能的实施方式中,所述指示信息通过PSFCH传输。
在一种可能的实施方式中,所述指示信息通过所述PSFCH中的预设位比特指示。
第七方面,本申请实施例提供一种通信装置,包括发送模块和接收模块,其中,
所述发送模块用于,向第一终端设备发送测量请求信息;
所述接收模块用于,接收所述第一终端设备发送的定位参考信号。
第八方面,本申请实施例提供一种电子设备,包括处理器、存储器;
所述存储器存储计算机执行指令;
所述处理器执行所述存储器存储的计算机执行指令,使得所述处理器执行如第六方面任一项所述的通信方法。
第九方面,本申请实施例提供一种计算机可读存储介质,所述计算机可读存储介质中存储有计算机执行指令,当所述计算机执行指令被处理器执行时用于实现第六方面任一项所述的通信方法。
第十方面,本申请实施例提供一种计算机程序产品,包括计算机程序,所述计算机程序被处理器执行时,可实现第六方面任一项所述的通信方法。
本申请实施例提供一种通信方法、装置、设备及存储介质,向第一终端设备发送测量请求信息,并接收第一终端设备发送的定位参考信号。第二终端设备在有定位需求,才向第一终端设备发送测量请求信息,第一终端设备根据第二终端设备的测量请求信息,发送定位参考信号,第一终端设备无需一直发送定位参考信号,降低了终端设备的能耗。
附图说明
图1为本申请实施例提供的一种应用场景示意图;
图2为本申请实施例提供的通信方法的流程示意图一;
图3为本申请实施例提供的通信方法的流程示意图二;
图4为本申请实施例提供的通信方法的流程示意图三;
图5为本申请实施例提供的定位参考信号的传输结构的示意图;
图6为本申请实施例提供的通信方法的流程示意图四;
图7为申请实施例提供的通信方法的流程示意图五;
图8为本申请实施例提供的一种通信装置的结构示意图;
图9为本申请实施例提供的一种电子设备的结构示意图;
图10为本申请实施例提供的另一种通信装置的结构示意图;
图11为本申请实施例提供的另一种电子设备的结构示意图。
具体实施方式
为使本申请的目的、技术方案和优点更加清楚,下面将结合本申请的实施例,对本申请实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
需要说明的是,本申请实施例中涉及的术语“第一”、“第二”等词汇,仅用于区分描述的目的,而不能理解为指示或暗示相对重要性,也不能理解为指示或暗示顺序。
本申请实施例可适用于5G(5 Generation)通信系统,还可适用于4G、3G通信系统,还可适用于未来新的各种通信系统,例如6G、7G等。
本申请实施例也适用于不同的网络架构,包括但不限于中继网络架构、双链接架构、Vehicle-to-Everything(车辆到任何物体的通信)架构等架构。
为了更清楚的说明本申请,下面首先对本申请涉及的相关技术进行介绍。
1、辅链路(side link,SL)
终端设备与终端设备之间建立的链路,在该链路上,终端设备与终端设备可以直接传输数据,传输数据的接口可以称为PC5接口,也可以称为Sidelink口。
2、终端设备
终端设备是一种具有无线收发功能的设备。终端设备可以部署在陆地上,包括室内或室外、手持、穿戴或车载;也可以部署在水面上(如轮船等);还可以部署在空中(例如飞机、气球和卫星上等)。终端设备可以是手机(mobile phone)、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(augmented reality,AR)终端设备、工业控制(industrial control)中的无线终端、车辆终端设备、无人驾驶(self driving)中的无线终端、 远程医疗(remote medical)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、可穿戴终端设备等。本申请实施例所涉及的终端设备还可以称为终端、用户设备(user equipment,UE)、接入终端设备、车辆终端、工业控制终端、UE单元、UE站、移动站、移动台、远方站、远程用户设备、移动设备、无线通信设备、UE代理或UE装置等。终端设备也可以是固定的或者移动的。
为了便于理解,下面结合图1,对本申请实施例所适用的应用场景进行说明。
图1为本申请实施例提供的一种应用场景示意图。请参见图1,包括终端设备101以及终端设备102。终端设备101和终端设备102之间可以通过辅链路进行通信。终端设备101和终端设备102可以同时位于网络设备的覆盖范围内,也可以同时位于网络设备的覆盖范围内,还可以其中一个位于网络设备的覆盖范围内,另一个位于网络设备的覆盖范围外。
终端设备101可以通过PC5接口向终端设备102发送定位参考信号,终端设备102可以测量接收到的定位参考信号,并对其进行测量,根据测量结果获取终端设备102的位置,位置可以是终端设备102的相对位置或者是绝对位置。
终端设备101需要持续发送定位参考信号,以使终端设备102可以随时对终端设备101发送的定位参考信号进行测量,导致终端设备的能耗较高。
有鉴于此,本申请提供一种通信方法,第一终端设备仅在接收到第二终端设备发送的测量请求信息后,才发送定位参考信号,降低了终端设备的能耗。
下面,通过具体实施例对本申请所示的技术方案进行详细说明。需要说明的是,下面几个实施例可以独立存在,也可以相互结合,对于相同或显示的内容,在不同的实施例中不再重复说明。
图2为本申请实施例提供的通信方法的流程示意图一。请参见图2,该方法可以包括:
S201、第二终端设备向第一终端设备发送测量请求信息。
本申请实施例的执行主体可以为终端设备,也可以为设置在终端设备中的通信装置。通信装置可以通过软件实现,也可以通过软件和硬件的结合实现,例如,通信装置可以是芯片、也可以是芯片模组、还可以是集成开发环境(Integrated Development Environment,IDE)等。
测量请求信息可以包括一下至少一项:
定位参考信号的传输次数;
定位参考信号的测量时域资源;
定位参考信号的测量频域资源;
定位参考信号的测量时机起始时间;
定位参考信号的测量时机周期;
定位参考信号的测量时机长度。
第二终端设备可以用广播、组播或者单播的方式向第一终端设备发送测量请求信息。
S202、第一终端设备根据测量请求信息,向第二终端设备发送定位参考信号。
第一终端设备在接收到测量请求信息后,则触发定位参考信号的传输。
第一终端设备可以在接受到测量请求信息时,立马向第二终端设备发送定位参考信号;第一终端设备也可以在接收到测量请求信息后,隔一段时间再向第二终端设备发送定位参考信号。
定位参考信号可以是现有协议中的信道探测参考信号(sounding reference signal,SRS),或者定位参考信号(positioning reference signal,PRS),也可以是新定义的定位参考信号。
定位参考信号的发送数量可以为多个。
S203、第二终端设备测量定位参考信号,得到测量结果。
第二终端设备可以通过测量多个第一终端设备发送的定位参考信号,确定第二终端设备的位置。
测量结果可以是定位参考信号的到达时间、到达角等。
S204、第二终端设备根据测量结果,确定第二终端设备的位置。
位置可以是相对位置,也可以是绝对位置。
在图2所示的实施例中,接收第二终端设备发送的测量请求信息,根据测量请求信息,向第二终端设备发送定位参考信号;第二终端设备测量定位参考信号,得到测量结果;根据测量结果,确定第二终端设备的位置。第一终端设备在接收到测量请求信息后再发送定位参考信号,降低了终端设备的能耗。
在图2所示实施例的基础上,下面结合图3-图7,详细说明第一终端设备停止发送定位参考信号的时刻,以及继续发送定位参考信号时刻。
图3为本申请实施例提供的通信方法的流程示意图二。请参见图3,该方法包括:
S301、第二终端设备向第一终端设备发送测量请求信息。
需要说明的是,S301的执行过程可以参见S201的执行过程,此处不再进行赘述。
S302、第一终端设备根据测量请求信息,向第二终端设备发送定位参考信号。
需要说明的是,S302的执行过程可以参见S202的执行过程,此处不再进行赘述。
S303、第一终端设备在第一时刻启动第三定时器,若第三定时器超时,停止向第二终端设备发送定位参考信号。
第一时刻为第一终端设备开始向第二终端设备发送定位参考信号的时刻。
第一时刻与测量请求信息的接收时刻之间的时间间隔大于或等于0。
例如,第一终端设备可以在接收到测量请求信息的时候,启动第三定时器,并向第二终端设备发送定位参考信号。
再例如,第一终端设备可以在接收到测量请求信息后,隔一段时间启动第三定时器。
第一终端设备在第三定时器运行期间,一直向第二终端设备发送定位参考信号。
第一终端设备在第三定时器运行期间,若再次收到第二终端设备发送的测量请求信息,则根据新的测量请求信息,重启第三定时器。
例如,若第三定时器的时长为50ms,第一终端设备在第三定时器运行至第30ms时接收到新的测量请求信息,则重启第三定时器,从0开始计时。
第三定时器的时间单位可以是定位参考信号的发送次数,也可以是ms,还可以是时隙等。
在图3所示实施例中,第一终端设备接收第二终端设备发送的测量请求信息;根据测量请求信息,向第二终端设备发送定位参考信号;第一终端设备在第一时刻启动第三定时器,若第三定时器超时,停止向第二终端设备发送定位参考信号。第一终端设备在接收到测量请求信息后再发送定位参考信号,降低了终端设备的能耗;同时,第一终端设备设置了定时器,可以在定时器运行期间才发送定位参考信号,进一步降低了终端设备的能耗。
图4为本申请实施例提供的通信方法的流程示意图三。请参见图4,该方法包括:
S401、第二终端设备向第一终端设备发送测量请求信息。
需要说明的是,S401的执行过程可以参见S201的执行过程,此处不再进行 赘述。
S402、第一终端设备根据测量请求信息,向第二终端设备发送定位参考信号。
需要说明的是,S402的执行过程可以参见S202的执行过程,此处不再进行赘述。
S403、第二终端设备向第一终端设备发送第一指示信息。
第二终端设备可以根据定位参考信号的测量结果,向第一终端设备发送第一指示信息。
第一指示信息可以通过物理侧链反馈信道(physical sidelink feedback channel,PSFCH)传输。
具体的,可以通过PSFCH中的预设位比特表示第一指示信息。
例如,若PSFCH中的预设位比特取值为0,则表示第一指示信息指示停止发送;若PSFCH中的预设位比特取值为1,则表示第一指示信息指示继续发送。
在辅链路中,定位参考信号的传输结构如图5所示,第二终端设备接收到定位参考信号时,首先需要解码辅链路控制信息(sidelink control information,SCI),再接收定位参考信号,进而可以通过PSFCH进行反馈。
S404、第一终端设备根据第一指示信息,确定是否继续向第二终端设备发送定位参考信号。
第一终端设备可以通过测量PSFCH中指示信息,确定是否继续向第二终端设备发送定位参考信号。
可以通过以下方式确定是否继续发送定位参考信号:
若第一指示信息指示继续发送,则确定继续向第二终端设备发送定位参考信号;若第一指示信息指示停止发送,则确定停止向第二终端设备发送定位参考信号。
例如,第一终端设备在第一时刻接收到指示信息,指示信息指示继续发送,则确定继续向第二终端设备发送定位参考信号;若在第二时刻接受到指示信息,指示信息指示停止发送,则确定停止向第二终端设备发送定位参考信号。
在图4所示的实施例中,第一终端设备接收第二终端设备发送的测量请求信息;根据测量请求信息,向第二终端设备发送定位参考信号;第二终端设备向第一终端设备发送第一指示信息;第一终端设备根据第一指示信息,确定是否继续向第二终端设备发送定位参考信号。第一终端设备在接收到测量请求信息后再发送定位参考信号,降低了终端设备的能耗;同时,第一终端设备还可以 根据接收到的第一指示信息确定是否继续发送定位参考信号,进一步降低了终端设备的能耗。
图6为本申请实施例提供的通信方法的流程示意图四。请参见图6该方法包括:
S601、第二终端设备向第一终端设备发送测量请求信息。
需要说明的是,S601的执行过程可以参见S201的执行过程,此处不再进行赘述。
S602、第一终端设备根据测量请求信息,向第二终端设备发送定位参考信号。
需要说明的是,S602的执行过程可以参见S202的执行过程,此处不再进行赘述。
S603、第二终端设备确定是否需要第一终端设备继续发送定位参考信号。
若是,则执行S605。
若否,则执行S604。
第二终端设备可以根据定位参考信号的测量结果,确定是否需要第一终端设备继续发送定位参考信号。
S604、第二终端设备不向第一终端设备发送第二指示信息。
第二指示信息指示第一终端设备继续发送定位参考信号。
第一终端设备在未接收到第二指示信息的前提下,停止向第二终端设备发送定位参考信号。
具体的,第一终端设备可以设备一个定时器,在第一时刻启动第一定时器,在第一定时器运行期间,若未收到第二终端设备发送的第二指示信息,则在第一定时器超时后,停止向第二终端设备发送定位参考信号。
例如,第一定时器的时长可以为50ms;第一终端设备可以在接受到测量请求信息后,启动第一定时器,若在第一定时器运行期间,未接收到第二终端设备发送的第二指示信息,则在第一定时器超时后,停止向第二终端设备发送定位参考信号。
第一时刻的相关解释可以参见S303中第一时刻的解释,此处不再进行赘述。
S605、第二终端设备向第一终端设备发送第二指示信息。
第二指示信息可以通过PSFCH传输。
在辅链路中,第二终端设备接收到定位参考信号时,首先需要解码SCI,再接收定位参考信号,进而可以通过PSFCH进行反馈。
具体的,可以通过PSFCH中的预设位比特表示第二指示信息。
例如,可以用PSFCH中的预设位比特取值为1,表示第二指示信息指示继续发送定位参考信号。
S606、第一终端设备根据第二指示信息,继续向第二终端设备发送定位参考信号。
在一种可能的实施方式中,第一终端设备还可以设置一个定时器,以控制发送定位参考信号的时间。具体方式如下:
在第一时刻启动第一定时器,在第一定时器运行期间,若接收第二终端设备发送的第二指示信息;根据第二指示信息,重启第一定时器,在第一定时器运行期间继续向第二终端设备发送定位参考信号;在第一定时器超时后,停止向第二终端设备发送定位参考信号。
例如,第一定时器的时长可以为50ms;第一终端设备可以在接受到测量请求信息后,启动第一定时器,在第一定时器运行期间,向第二终端设备发送定位参考信号;若在第一定时器运行至第20ms时,接收到第二终端设备发送的第二指示信息,则重启第一定时器,从0开始计时,并且第一定时器运行50ms后,停止向第二终端设备发送定位参考信号。
第一定时器的时间单位可以是定位参考信号的发送次数,也可以是ms,还可以是时隙等。
通过设置定时器,可以进一步控制第一终端设备发送定位参考信号的时间,进一步降低了终端设备的能耗。
在图6所示的实施例中,第一终端设备接收第二终端设备发送的测量请求信息;根据测量请求信息,向第二终端设备发送定位参考信号;第二终端设备确定是否需要第一终端设备继续发送定位参考信号;若否,则第一终端设备停止向第二终端设备发送定位参考信号;若是,则第二终端设备向第一终端设备发送第二指示信息,第一终端设备根据第二指示信息,继续向第二终端设备发送定位参考信号。第一终端设备在接收到测量请求信息后再发送定位参考信号,降低了终端设备的能耗;同时,第一终端设备还可以根据是否接收到第二指示信息,确定发送定位参考信号的时长,进一步降低了终端设备的能耗。
图7为申请实施例提供的通信方法的流程示意图五。请参见图7,该方法包括:
S701、第二终端设备向第一终端设备发送测量请求信息。
需要说明的是,S701的执行过程可以参见S201的执行过程,此处不再进行 赘述。
S702、第一终端设备根据测量请求信息,向第二终端设备发送定位参考信号。
需要说明的是,S702的执行过程可以参见S202的执行过程,此处不再进行赘述。
S703、第二终端设备确定是否需要第一终端设备继续发送定位参考信号。
若是,则执行S704。
若否,则执行S705。
第二终端设备可以根据定位参考信号的测量结果,确定是否需要第一终端设备继续发送定位参考信号。
S704、第二终端设备不向第一终端设备发送第三指示信息。
第三指示信息指示第一终端设备停止发送定位参考信号。
第一终端设备未收到第二终端设备发送的第三指示信息,则继续向第二终端设备发送定位参考信号。
具体的,第一终端设备可以设备一个定时器,在第一时刻启动第二定时器,在第二定时器运行期间,若未收到第二终端设备发送的第三指示信息,则在第二定时器超时后,停止向第二终端设备发送定位参考信号。
例如,第二定时器的时长可以为50ms;第一终端设备可以在接受到测量请求信息后,启动第二定时器,若在第二定时器运行期间,未接收到第二终端设备发送的第三指示信息,则在第二定时器超时后,停止向第二终端设备发送定位参考信号。
第一时刻的相关解释可以参见S303中第一时刻的解释,此处不再进行赘述。
S705、第二终端设备向第一终端设备发送第三指示信息。
第三指示信息可以通过PSFCH传输。
在辅链路中,第二终端设备接收到定位参考信号时,首先需要解码SCI,再接收定位参考信号,进而可以通过PSFCH进行反馈。
具体的,可以通过PSFCH中的预设位比特表示第三指示信息。
例如,可以用PSFCH中的预设位比特取值为0,表示第三指示信息指示停止发送定位参考信号。
S706、第一终端设备根据第三指示信息,停止向第二终端设备发送定位参考信号。
在一种可能的实施方式中,第一终端设备还可以设置一个定时器,以控制 发送定位参考信号的时间。具体方式如下:
在第一时刻启动第二定时器,在第二定时器运行期间,若接收第二终端设备发送的第三指示信息,根据第三指示信息,停止向第二终端设备发送定位参考信号;停止的时刻小于或等于第二定时器的终止时刻。
例如,第二定时器的时长可以为50ms;第一终端设备可以在接受到测量请求信息后,启动第二定时器,在第二定时器运行期间,向第二终端设备发送定位参考信号;若在第二定时器运行至第10ms时,接收到第二终端设备发送的第三指示信息,则立即停止向第二终端设备发送定位参考信号。
第二定时器的时间单位可以是定位参考信号的发送次数,也可以是ms,还可以是时隙等。
通过设置定时器,可以进一步控制第一终端设备发送定位参考信号的时间,进一步降低了终端设备的能耗。
在图7所示的实施例中,第一终端设备接收第二终端设备发送的测量请求信息;根据测量请求信息,向第二终端设备发送定位参考信号;第二终端设备确定是否需要第一终端设备继续发送定位参考信号;若是,则第二终端设备不向第一终端设备发送第三指示信息;若否,则第二终端设备向第一终端设备发送第三指示信息;第一终端设备根据第三指示信息,停止向第二终端设备发送定位参考信号。第一终端设备在接收到测量请求信息后再发送定位参考信号,降低了终端设备的能耗;同时,第一终端设备还可以根据是否接收到第三指示信息,确定发送定位参考信号的时长,进一步降低了终端设备的能耗。
图8为本申请实施例提供的一种通信装置的结构示意图。请参见图8,该装置10包括:第一接收模块11和第一发送模块12,其中,
所述第一接收模块11用于,接收第二终端设备发送的测量请求信息;
所述第一发送模块12用于,根据所述测量请求信息,向所述第二终端设备发送定位参考信号;所述定位参考信号用于确定所述第二终端设备的位置。
在一种可能的实施方式中,所述测量请求信息包括以下至少一项:
所述定位参考信号的传输次数;
所述定位参考信号的测量时域资源;
所述定位参考信号的测量频域资源;
所述定位参考信号的测量时机起始时间;
所述定位参考信号的测量时机周期;
所述定位参考信号的测量时机长度。
在一种可能的实施方式中,所述装置10还包括第二接收模块和确定模块,其中,
所述第二接收模块用于,接收所述第二终端设备发送的第一指示信息;
所述确定模块用于,则根据所述第一指示信息,确定是否继续向所述第二终端设备发送定位参考信号。
在一种可能的实施方式中,所述确定模块具体用于:
若所述第一指示信息指示继续发送,则确定继续向所述第二终端设备发送定位参考信号;
若所述第一指示信息指示停止发送,则确定停止向所述第二终端设备发送定位参考信号。
在一种可能的实施方式中,所述第一指示信息通过物理侧链反馈信道PSFCH传输。
在一种可能的实施方式中,所述第一指示信息通过所述PSFCH中的预设位比特指示。
在一种可能的实施方式中,所述装置10还包括第三接收模块和第二发送模块,其中,
所述第三接收模块用于,接收所述第二终端设备发送的第二指示信息,
所述第二发送模块用于,根据所述第二指示信息,继续向所述第二终端设备发送定位参考信号。
在一种可能的实施方式中,所述第三接收模块具体用于,
在第一时刻启动第一定时器,在所述第一定时器运行期间,接收所述第二终端设备发送的所述第二指示信息。
在一种可能的实施方式中,所述第二发送模块具体用于:
根据所述第二指示信息,重启所述第一定时器,在所述第一定时器运行期间,继续向所述第二终端设备发送定位参考信号。
在一种可能的实施方式中,所述装置10还包括第一停止模块,所述第一停止模块用于:
所述第一定时器超时后,停止向所述第二终端设备发送所述定位参考信号。
在一种可能的实施方式中,所述装置10还包括第二停止模块,所述第二停止模块用于:
未收到所述第二终端设备发送的第二指示信息,则停止向所述第二终端设备发送定位参考信号。
在一种可能的实施方式中,所述第二停止模块具体用于:
在第一时刻启动第一定时器,在所述第一定时器运行期间,未收到所述第二终端设备发送的所述第二指示信息,则在所述第一定时器超时后,停止向所述第二终端设备发送所述定位参考信号。
在一种可能的实施方式中,所述第二指示信息通过PSFCH传输。
在一种可能的实施方式中,所述第二指示信息通过所述PSFCH中的预设位比特指示。
在一种可能的实施方式中,所述装置10还包括第四接收模块和第三停止模块,其中:
所述第四接收模块用于,接收所述第二终端设备发送的第三指示信息,
所述第三停止模块用于,根据所述第三指示信息,停止向所述第二终端设备发送定位参考信号。
在一种可能的实施方式中,所述第四接收模块具体用于:
在第一时刻启动第二定时器,在所述第二定时器运行期间,接收所述第二终端设备发送的所述第三指示信息。
在一种可能的实施方式中,所述第三停止模块具体用于:停止的时刻小于或等于所述第二定时器的终止时刻。
在一种可能的实施方式中,所述装置10还包括第三发送模块,所述第三发送模块用于:
未收到所述第二终端设备发送的第三指示信息,则继续向所述第二终端设备发送定位参考信号。
在一种可能的实施方式中,所述第三发送模块具体用于:
在第一时刻启动第二定时器,在所述第二定时器运行期间,未收到所述第二终端设备发送的所述第三指示信息,则在所述第二定时器超时后,停止向所述第二终端设备发送所述定位参考信号。
在一种可能的实施方式中,所述第三指示信息通过PSFCH传输。
在一种可能的实施方式中,所述第三指示信息通过所述PSFCH中的预设位比特指示。
在一种可能的实施方式中,所述装置10还包括第四停止模块,所述第四停止模块用于:
在第一时刻启动第三定时器,若所述第三定时器超时,停止向所述第二终端设备发送所述定位参考信号。
在一种可能的实施方式中,所述第一时刻为开始向所述第二终端设备发送所述定位参考信号的时刻;所述第一时刻与所述测量请求信息的接收时刻之间的时间间隔大于或等于0。
本申请实施例提供的通信装置10可以执行上述方法实施例所示的技术方案,其实现原理以及有益效果类似,此次不再进行赘述。
图9为本申请实施例提供的一种电子设备的结构示意图。请参见图9,该电子设备20包括收发器21、存储器22、处理器23。收发器21可包括:发射器和/或接收器。该发射器还可称为发送器、发射机、发送端口或发送接口等类似描述,接收器还可称为接收器、接收机、接收端口或接收接口等类似描述。示例性地,收发器21、存储器22、处理器23,各部分之间通过总线24相互连接。
存储器22用于存储程序指令;
处理器23用于执行该存储器所存储的程序指令,用以使得电子设备20执行上述任一所示的通信方法。
收发器21用于执行上述通信方法中电子设备20的收发功能。
电子设备可以为芯片、模组、IDE等。
图9实施例所示的电子设备可以执行上述方法实施例所示的技术方案,其实现原理以及有益效果类似,此处不再进行赘述。
图10为本申请实施例提供的另一种通信装置的结构示意图。请参见图10,该装置30包括:第一发送模块31、接收模块32、测量模块33和确定模块34,其中,
所述第一发送模块31用于,向第一终端设备发送测量请求信息;
所述接收模块32用于,接收所述第一终端设备发送的定位参考信号;
所述测量模块33用于,测量所述定位参考信号,得到测量结果;
所述确定模块34用于,根据所述测量结果,确定所述第二终端设备的位置。
在一种可能的实施方式中,所述测量请求信息包括以下至少一项:
所述定位参考信号的传输次数;
所述定位参考信号的测量时域资源;
所述定位参考信号的测量频域资源;
所述定位参考信号的测量时机起始时间;
所述定位参考信号的测量时机周期;
所述定位参考信号的测量时机长度。
在一种可能的实施方式中,所述装置30还包括第二发送模块,所述第二发 送模块具体用于:
向第一终端设备发送指示信息;所述指示信息用于指示所述第一终端设备是否继续发送定位参考信号。
在一种可能的实施方式中,所述指示信息通过PSFCH传输。
在一种可能的实施方式中,所述指示信息通过所述PSFCH中的预设位比特指示。
本申请实施例提供的一种通信装置30可以执行上述方法实施例所示的技术方案,其实现原理以及有益效果类似,此次不再进行赘述。
图11为本申请实施例提供的另一种电子设备的结构示意图。请参见图11,该电子设备40包括:收发器41、存储器42、处理器23。收发器41可包括:发射器和/或接收器。该发射器还可称为发送器、发射机、发送端口或发送接口等类似描述,接收器还可称为接收器、接收机、接收端口或接收接口等类似描述。示例性地,收发器41、存储器42、处理器43,各部分之间通过总线44相互连接。
存储器42用于存储程序指令;
处理器43用于执行该存储器所存储的程序指令,用以使得电子设备40执行上述任一所示的通信方法。
收发器41用于执行上述通信方法中电子设备40的收发功能。
电子设备可以为芯片、模组、IDE等。
图11实施例所示的电子设备可以执行上述方法实施例所示的技术方案,其实现原理以及有益效果类似,此处不再进行赘述。
本申请实施例提供一种计算机可读存储介质,所述计算机可读存储介质中存储有计算机执行指令,当所述计算机执行指令被处理器执行时用于实现上述通信方法。
本申请实施例还可提供一种计算机程序产品,该计算机程序产品可以由处理器执行,在计算机程序产品被执行时,可实现上述任一所示的电子设备执行的通信方法。
本申请实施例的终端设备、计算机可读存储介质及计算机程序产品,可执行上述的通信方法,其具体的实现过程及有益效果参见上述,在此不再赘述。
实现上述各方法实施例的全部或部分步骤可以通过程序指令相关的硬件来完成。前述的程序可以存储于一可读取存储器中。该程序在执行时,执行包括上述各方法实施例的步骤;而前述的存储器(存储介质)包括:只读存储器(英 文:read-only memory,缩写:ROM)、RAM、快闪存储器、硬盘、固态硬盘、磁带(英文:magnetic tape)、软盘(英文:floppy disk)、光盘(英文:optical disc)及其任意组合。
本申请实施例是参照根据本申请实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理单元以产生一个机器,使得通过计算机或其他可编程数据处理设备的处理单元执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中,使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品,该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上,使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理,从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
显然,本领域的技术人员可以对本申请实施例进行各种改动和变型而不脱离本申请的精神和范围。这样,倘若本申请实施例的这些修改和变型属于本申请权利要求及其等同技术的范围之内,则本申请也意图包含这些改动和变型在内。

Claims (33)

  1. 一种通信方法,其特征在于,用于第一终端设备之中,所述方法包括:
    接收第二终端设备发送的测量请求信息;
    根据所述测量请求信息,向所述第二终端设备发送定位参考信号;所述定位参考信号用于确定所述第二终端设备的位置。
  2. 根据权利要求1所述的方法,其特征在于,所述测量请求信息包括以下至少一项:
    所述定位参考信号的传输次数;
    所述定位参考信号的测量时域资源;
    所述定位参考信号的测量频域资源;
    所述定位参考信号的测量时机起始时间;
    所述定位参考信号的测量时机周期;
    所述定位参考信号的测量时机长度。
  3. 根据权利要求2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一指示信息;
    根据所述第一指示信息,确定是否继续向所述第二终端设备发送定位参考信号。
  4. 根据权利要求3所述的方法,其特征在于,根据所述第一指示信息,确定是否继续向所述第二终端设备发送定位参考信号;包括:
    若所述第一指示信息指示继续发送,则确定继续向所述第二终端设备发送定位参考信号;
    若所述第一指示信息指示停止发送,则确定停止向所述第二终端设备发送定位参考信号。
  5. 根据权利要求3或4所述的方法,其特征在于,所述第一指示信息通过物理侧链反馈信道PSFCH传输。
  6. 根据权利要求5所述的方法,其特征在于,所述第一指示信息通过所述PSFCH中的预设位比特指示。
  7. 根据权利要求2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二指示信息;
    根据所述第二指示信息,继续向所述第二终端设备发送定位参考信号。
  8. 根据权利要求7所述的方法,其特征在于,接收所述第二终端设备发送 的第二指示信息,包括:
    在第一时刻启动第一定时器,在所述第一定时器运行期间,接收所述第二终端设备发送的所述第二指示信息。
  9. 根据权利要求8所述的方法,其特征在于,根据所述第二指示信息,继续向所述第二终端设备发送定位参考信号;包括:
    根据所述第二指示信息,重启所述第一定时器,在所述第一定时器运行期间,继续向所述第二终端设备发送定位参考信号。
  10. 根据权利要求9所述的方法,其特征在于,所述方法还包括:
    所述第一定时器超时后,停止向所述第二终端设备发送所述定位参考信号。
  11. 根据权利要求2所述的方法,其特征在于,所述方法还包括:
    未收到所述第二终端设备发送的第二指示信息,则停止向所述第二终端设备发送定位参考信号。
  12. 根据权利要求11所述的方法,其特征在于,未收到所述第二终端设备发送的第二指示信息,则停止向所述第二终端设备发送定位参考信号;包括:
    在第一时刻启动第一定时器,在所述第一定时器运行期间,未收到所述第二终端设备发送的所述第二指示信息,则在所述第一定时器超时后,停止向所述第二终端设备发送所述定位参考信号。
  13. 根据权利要求7-12任一项所述的方法,其特征在于,所述第二指示信息通过PSFCH传输。
  14. 根据权利要求13所述的方法,其特征在于,所述第二指示信息通过所述PSFCH中的预设位比特指示。
  15. 根据权利要求2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三指示信息;
    根据所述第三指示信息,停止向所述第二终端设备发送定位参考信号。
  16. 根据权利要求15所述的方法,其特征在于,接收所述第二终端设备发送的第三指示信息,包括:
    在第一时刻启动第二定时器,在所述第二定时器运行期间,接收所述第二终端设备发送的所述第三指示信息。
  17. 根据权利要求16所述的方法,其特征在于,停止发送定位参考信号的时刻小于或等于所述第二定时器的终止时刻。
  18. 根据权利要求2所述的方法,其特征在于,所述方法还包括:
    未收到所述第二终端设备发送的第三指示信息,则继续向所述第二终端设 备发送定位参考信号。
  19. 根据权利要求18所述的方法,其特征在于,所述方法还包括:
    在第一时刻启动第二定时器,在所述第二定时器运行期间,未收到所述第二终端设备发送的所述第三指示信息,则在所述第二定时器超时后,停止向所述第二终端设备发送所述定位参考信号。
  20. 根据权利要求15-19任一项所述的方法,其特征在于,所述第三指示信息通过PSFCH传输。
  21. 根据权利要求20所述的方法,其特征在于,所述第三指示信息通过所述PSFCH中的预设位比特指示。
  22. 根据权利要求2所述的方法,其特征在于,所述方法还包括:
    在第一时刻启动第三定时器,若所述第三定时器超时,停止向所述第二终端设备发送所述定位参考信号。
  23. 根据权利要求8、12、16、19或22所述的方法,其特征在于,
    所述第一时刻为开始向所述第二终端设备发送所述定位参考信号的时刻;所述第一时刻与所述测量请求信息的接收时刻之间的时间间隔大于或等于0。
  24. 一种通信方法,其特征在于,用于第二终端设备之中,所述方法包括:
    向第一终端设备发送测量请求信息;
    接收所述第一终端设备发送的定位参考信号;
    测量所述定位参考信号,得到测量结果;
    根据所述测量结果,确定所述第二终端设备的位置。
  25. 根据权利要求24所述的方法,其特征在于,所述测量请求信息包括以下至少一项:
    所述定位参考信号的传输次数;
    所述定位参考信号的测量时域资源;
    所述定位参考信号的测量频域资源;
    所述定位参考信号的测量时机起始时间;
    所述定位参考信号的测量时机周期;
    所述定位参考信号的测量时机长度。
  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:
    向第一终端设备发送指示信息;所述指示信息用于指示所述第一终端设备是否继续发送定位参考信号。
  27. 根据权利要求26所述的方法,其特征在于,所述指示信息通过PSFCH 传输。
  28. 根据权利要求27所述的方法,其特征在于,所述指示信息通过所述PSFCH中的预设位比特指示。
  29. 一种通信装置,其特征在于,包括接收模块和发送模块,其中,
    所述接收模块用于,接收第二终端设备发送的测量请求信息;
    所述发送模块用于,根据所述测量请求信息,向所述第二终端设备发送定位参考信号;所述定位参考信号用于确定所述第二终端设备的位置。
  30. 一种通信装置,其特征在于,包括发送模块、接收模块、测量模块和确定模块其中,
    所述发送模块用于,向第一终端设备发送测量请求信息;
    所述接收模块用于,接收所述第一终端设备发送的定位参考信号;
    所述测量模块用于,测量所述定位参考信号,得到测量结果;
    所述确定模块用于,根据所述测量结果,确定所述第二终端设备的位置。
  31. 一种电子设备,其特征在于,包括:存储器、处理器;
    所述存储器用于存储计算机执行指令;
    所述处理器执行所述存储器存储的计算机执行指令,使得所述处理器执行如权利要求1至23任一项所述的通信方法,或者24-28任一项所述的通信方法。
  32. 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质中存储有计算机执行指令,当所述计算机执行指令被处理器执行时用于实现权利要求1至23任一项所述的通信方法,或者24-28任一项所述的通信方法。
  33. 一种计算机程序产品,其特征在于,包括计算机程序,所述计算机程序被处理器执行时,可实现权利要求1至23任一项所述的通信方法,或者24-28任一项所述的通信方法。
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