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WO2024026684A1 - Procédé et appareils de mesure de positionnement basée sur des phases de porteuse, dispositif et support de stockage - Google Patents

Procédé et appareils de mesure de positionnement basée sur des phases de porteuse, dispositif et support de stockage Download PDF

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Publication number
WO2024026684A1
WO2024026684A1 PCT/CN2022/109753 CN2022109753W WO2024026684A1 WO 2024026684 A1 WO2024026684 A1 WO 2024026684A1 CN 2022109753 W CN2022109753 W CN 2022109753W WO 2024026684 A1 WO2024026684 A1 WO 2024026684A1
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WIPO (PCT)
Prior art keywords
carrier phase
reference signal
receiving
positioning
time
Prior art date
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Ceased
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PCT/CN2022/109753
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English (en)
Chinese (zh)
Inventor
李明菊
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Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software Co Ltd
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.)
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Priority to PCT/CN2022/109753 priority Critical patent/WO2024026684A1/fr
Priority to CN202280003014.1A priority patent/CN117813803A/zh
Publication of WO2024026684A1 publication Critical patent/WO2024026684A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems

Definitions

  • the present application relates to the field of communication technology, and in particular to a positioning measurement method, device, equipment and storage medium based on carrier phase.
  • the fifth generation mobile communication technology (5th Generation Mobile Communication Technology, 5G) New Radio (NR) introduces a variety of positioning technologies to realize the positioning of terminal equipment.
  • uplink positioning technology or downlink positioning technology can be used to position the terminal device.
  • uplink positioning technology used for positioning
  • the terminal device sends an uplink positioning reference signal to the access network device.
  • the access network device measures the uplink positioning reference signal and sends the measurement report to the core network device, and the core network device performs positioning calculations.
  • downlink positioning technology used for positioning
  • the terminal equipment receives the downlink positioning reference signal sent by the access network equipment and measures it.
  • the terminal equipment performs positioning calculations by itself or sends the measurement report to the core network equipment, and the core network equipment performs positioning calculations.
  • Embodiments of the present application provide a positioning measurement method, device, equipment and storage medium based on carrier phase.
  • the technical solutions are as follows:
  • a positioning measurement method based on carrier phase is provided, the method is performed by a first device, and the method includes:
  • a receive-transmit carrier phase difference value is determined based on the receive carrier phase and the transmit carrier phase.
  • a positioning measurement method based on carrier phase is provided, the method is performed by a second device, and the method includes:
  • the receiving and transmitting carrier phase difference value is determined by the first device according to the receiving carrier phase and the transmitting carrier phase.
  • the receiving carrier phase is the value received by the first device.
  • the carrier phase corresponding to the first positioning reference signal, and the sending carrier phase is the carrier phase corresponding to the first device sending the second positioning reference signal.
  • a positioning measurement device based on carrier phase is provided, the device is applied to a first device, and the device includes:
  • a first receiving module configured to receive a first positioning reference signal and determine the received carrier phase corresponding to the first positioning reference signal
  • a first sending module configured to send a second positioning reference signal and determine the transmission carrier phase corresponding to the second positioning reference signal
  • a determining module configured to determine a receiving and transmitting carrier phase difference value based on the receiving carrier phase and the transmitting carrier phase.
  • a positioning measurement device based on carrier phase is provided, the device is applied to a second device, and the device includes:
  • the second receiving module is used to receive the receiving and transmitting carrier phase difference value sent by the first device.
  • the receiving and transmitting carrier phase difference value is determined by the first device according to the receiving carrier phase and the transmitting carrier phase.
  • the receiving carrier phase is the carrier phase corresponding to when the first device receives the first positioning reference signal
  • the transmitting carrier phase is the carrier phase corresponding to when the first device sends the second positioning reference signal.
  • a carrier phase-based positioning measurement system including a first device and a second device;
  • the first device is configured to receive a first positioning reference signal and determine a received carrier phase corresponding to the first positioning reference signal
  • the second device is configured to receive the receiving and transmitting carrier phase difference value sent by the first device.
  • a communication device including: a processor; a transceiver connected to the processor; a memory for storing executable instructions of the processor; wherein, The processor is configured to load and execute the executable instructions to implement the carrier phase-based positioning measurement method as described in the above aspect.
  • a computer-readable storage medium in which executable instructions are stored, and the executable instructions are loaded and executed by a processor to implement the above aspects. Positioning measurement method based on carrier phase.
  • a chip is provided.
  • the chip includes programmable logic circuits and/or program instructions.
  • a computer program product or computer program includes computer instructions.
  • the computer instructions are stored in a computer-readable storage medium.
  • a processor reads the computer instructions from the computer program.
  • the readable storage medium reads and executes the computer instructions, so that the computer device performs the carrier phase-based positioning measurement method described in the above aspect.
  • the first device determines the receiving carrier phase corresponding to receiving the first positioning reference signal and determines the transmitting carrier phase corresponding to sending the second positioning reference signal, thereby obtaining the receiving and transmitting carrier phase difference value, which can be used Positioning of the first device.
  • positioning is performed according to changes in the carrier phase, and positioning measurement based on the carrier phase is implemented, which can improve positioning accuracy.
  • Figure 1 is a schematic diagram of a positioning terminal device in an uplink positioning scenario in related technologies
  • Figure 2 is a schematic diagram of a positioning terminal device in a downlink positioning scenario in related technologies
  • Figure 3 is a schematic diagram of a communication system provided by an exemplary embodiment of the present application.
  • Figure 4 is a flow chart of a carrier phase-based positioning measurement method provided by an exemplary embodiment of the present application.
  • Figure 5 is a schematic diagram of device interaction in the positioning measurement process based on carrier phase provided by an exemplary embodiment of the present application
  • Figure 6 is a flow chart of a carrier phase-based positioning measurement method provided by another exemplary embodiment of the present application.
  • Figure 7 is a schematic diagram of the interaction between the UE and the TPR provided by an exemplary embodiment of the present application.
  • Figure 8 is a schematic diagram of the interaction between the UE and the TPR provided by another exemplary embodiment of the present application.
  • Figure 9 is a schematic diagram of the phase difference between receiving and transmitting carriers provided by an exemplary embodiment of the present application.
  • Figure 10 is a flow chart of a carrier phase-based positioning measurement method provided by another exemplary embodiment of the present application.
  • Figure 11 is a flow chart of a carrier phase-based positioning measurement method provided by another exemplary embodiment of the present application.
  • Figure 12 is a flow chart of a carrier phase-based positioning measurement method provided by another exemplary embodiment of the present application.
  • Figure 13 is a flow chart of a carrier phase-based positioning measurement method provided by another exemplary embodiment of the present application.
  • Figure 14 is a flow chart of a carrier phase-based positioning measurement method provided by another exemplary embodiment of the present application.
  • Figure 15 is a structural block diagram of a carrier phase-based positioning measurement device provided by an exemplary embodiment of the present application.
  • Figure 16 is a structural block diagram of a carrier phase-based positioning measurement device provided by another exemplary embodiment of the present application.
  • Figure 17 is a structural block diagram of a communication device provided by an exemplary embodiment of the present application.
  • first, second, third, etc. may be used in this disclosure to describe various information, 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.
  • word “if” as used herein may be interpreted as "when” or “when” or “in response to determining.”
  • the terminal device 101 sends uplink positioning reference signals to different access network devices 102.
  • the access network device 102 measures the uplink positioning reference signals. , and sends a positioning measurement report to the core network device 103.
  • the core network device 103 determines the distances (including d1, d2 and d3) between the terminal device 101 and different access network devices 102 based on the positioning measurement report, thereby determining the location of the terminal device 101. Location.
  • the terminal device 101 receives the downlink positioning reference signals sent by different access network devices 102, and measures the downlink positioning reference signals. After that, the terminal device 101 performs positioning calculations or performs positioning calculations on its own.
  • the core network device 103 sends a positioning measurement report.
  • the core network device 103 determines the distances (including d1, d2 and d3) between the terminal device 101 and different access network devices 102 based on the positioning measurement report, thereby determining the location of the terminal device and realizing positioning. .
  • inventions of the present application provide a positioning measurement method based on carrier phase.
  • the first device can determine the receiving carrier phase when receiving the positioning reference signal and the transmitting carrier phase when transmitting the positioning reference signal, and determine the receiving and transmitting carrier phase difference based on the receiving carrier phase and the transmitting carrier phase, so that the second device
  • the device can be positioned based on the phase difference between the receiving and transmitting carriers, that is, the terminal device can be positioned based on the changes in the carrier phase to improve positioning accuracy.
  • FIG. 3 is a schematic diagram of a communication system provided by an exemplary embodiment of the present application.
  • the communication system 300 may include: terminal equipment 101, access network equipment 102 and core network equipment 103.
  • the terminal device 101 may include various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to wireless modems, as well as various forms of user equipment (User Equipment, UE), mobile stations (Mobile Station, MS) and so on.
  • UE User Equipment
  • MS Mobile Station
  • the access network device 102 is a device deployed in the access network to provide wireless communication functions for the terminal device 101.
  • the access network equipment 102 may include various forms of macro base stations, micro base stations, relay stations, and access points.
  • the names of devices with access network device functions may be different. For example, in 5G NR systems, they are called gNodeB or gNB. As communication technology evolves, the name "access network equipment" may change.
  • access network devices For convenience of description, in the embodiment of the present application, the above-mentioned devices that provide wireless communication functions for the terminal device 101 are collectively referred to as access network devices.
  • a connection can be established between the access network device 102 and the terminal device 101 through an air interface, so that communication, including signaling and data interaction, can be performed through the connection.
  • the number of access network devices 102 may be multiple, and communication between two adjacent access network devices 102 may also be carried out in a wired or wireless manner.
  • the terminal device 101 can switch between different access network devices 102, that is, establish connections with different access network devices 102.
  • the access network device In direct connection communication or Internet of Vehicles communication, the access network device can also be embodied as one of the terminal devices 101.
  • the main functions of the core network equipment 103 are to provide user connections, manage users, and carry services, and serve as a bearer network to provide an interface to external networks.
  • the core network equipment in the 5G NR system in the embodiment of the present application may include a location management function (Location Management Function, LMF) network element, and may also include other physical equipment.
  • the location management function network element includes a location server.
  • the location server can be implemented as any of the following: Location Management Network Element (Location Management Function, LMF), Enhanced Serving Mobile Location Center (Enhanced Serving Mobile Location) Centre, E-SMLC), Secure User Plane Location (SUPL) and Secure User Plane Location Platform (SUPL Location Platform, SUPL SLP).
  • Access network equipment 102 and core network equipment 103 may be collectively referred to as network equipment.
  • the core network device 103 and the access network device 102 communicate with each other through some kind of air technology. Through the access network device 102, a communication relationship can be established between the terminal device 101 and the core network device 103.
  • the "5G NR system" in the embodiments of this application may also be called a 5G system or an NR system, but those skilled in the art can understand its meaning.
  • the technical solution described in the embodiments of this application can be applied to the 5G NR system, and can also be applied to the subsequent evolution system of the 5G NR system.
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA broadband code division multiple access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • LTE-A Advanced Long Term Evolution
  • NR New Radio
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • WLAN Wireless Local Area Networks
  • WiFi Wireless Fidelity
  • Figure 4 shows a flow chart of a positioning measurement method based on carrier phase provided by an embodiment of the present application.
  • the method is performed by the first device.
  • the method includes:
  • Step 401 Receive a first reference signal for positioning and determine a received carrier phase corresponding to the first reference signal for positioning.
  • the first device includes at least one of a terminal device and an access network device.
  • the first positioning purpose reference signals are different.
  • the first reference signal for positioning includes at least one of a positioning reference signal (Positioning Reference Signal, PRS) and a sounding reference signal (Sounding Reference Signal, SRS).
  • PRS Positioning Reference Signal
  • SRS Sounding Reference Signal
  • the first positioning reference signal is a downlink positioning reference signal sent by the access network device.
  • the reference signal for downlink positioning can be PRS or other signals used for positioning.
  • the first positioning reference signal is an uplink positioning reference signal sent by the terminal device.
  • the uplink positioning reference signal may be SRS or other signals used for positioning.
  • the access network equipment in the embodiment of this application may refer to a base station (such as a gNB) or a transmission and reception point (Transmission Reception Point, TRP).
  • the first device when receiving the first reference signal for positioning, the first device will determine the received carrier phase corresponding to the reception time of the first reference signal for positioning. It should be noted that the first device can receive multiple first positioning reference signals from different devices, and when receiving each first positioning reference signal, determine the receiving carrier corresponding to the reception time of each first positioning reference signal. phase.
  • the terminal device can receive PRSs sent from different access network devices and determine the received carrier phase at each PRS reception time.
  • Step 402 Send a second positioning reference signal, and determine the transmission carrier phase corresponding to the second positioning reference signal.
  • the second positioning reference signal is different for different first devices.
  • the second positioning reference signal includes at least one of a positioning reference signal (Positioning Reference Signal, PRS) and a sounding reference signal (Sounding Reference Signal, SRS).
  • PRS Positioning Reference Signal
  • SRS Sounding Reference Signal
  • the second positioning reference signal is an uplink positioning reference signal sent by the terminal device to the access network device.
  • the second positioning reference signal is a downlink positioning reference signal sent by the access network device to the terminal device.
  • the first device When sending the second positioning reference signal, the first device determines the sending carrier phase corresponding to the sending time. Similarly, the first device may send second positioning reference signals to multiple different devices, and when sending each second positioning reference signal, determine the transmission carrier phase corresponding to the sending time of each second positioning reference signal.
  • the terminal device can send SRS to different access network devices, and determine the transmission carrier phase of each SRS transmission time.
  • Step 403 Determine the receiving and transmitting carrier phase difference based on the receiving carrier phase and the transmitting carrier phase.
  • the first device After determining the receiving carrier phase and the transmitting carrier phase, the first device can determine the receiving and transmitting carrier phase difference between the two, and obtain the change value of the carrier phase between the transmitting time and the receiving time.
  • the first device when the first device receives the first reference signal for positioning at time t 1 , the first device determines the received carrier phase of the first reference signal for positioning at time t 1 ; when the first device sends the first reference signal for positioning at time t 2 When the second positioning reference signal is used, the first device determines the transmitting carrier phase of the second positioning reference signal at time t2 , and determines the change value of the carrier phase between time t1 and time t2 based on the received carrier phase and the transmitted carrier phase.
  • the first device can respectively determine the receiving and transmitting carrier phase difference values for different third devices, and the different first devices can respectively determine the corresponding receiving and transmitting carrier phase difference values, so that the core network device can determine the receiving and transmitting carrier phase difference values according to different Receive and send the carrier phase difference value to achieve positioning.
  • the third device is an access network device; when the first device is an access network device, the third device is a terminal device.
  • the terminal device 101 can receive downlink positioning reference signals from three access network devices, including the first downlink positioning signal sent from the first access network device 502. Usage reference signal, the second downlink positioning purpose reference signal sent by the second access network device 503 and the third downlink positioning purpose reference signal sent by the third access network device 504; and the terminal device 101 can send signals to the first access network respectively.
  • the device 502 sends a first uplink positioning purpose reference signal, a second uplink positioning purpose reference signal to the second access network device 503 and a third uplink positioning purpose reference signal to the third access network device 504 .
  • the terminal equipment 101 determines the first receiving carrier phase when receiving the first downlink positioning reference signal at time t 1 and the first transmitting carrier phase when transmitting the first uplink positioning reference signal at time t 2 , and based on the first reception
  • the carrier phase and the first transmitting carrier phase determine the first receiving and transmitting carrier phase difference value for the first access network device 502; and determine the second receiving carrier phase when receiving the second downlink positioning reference signal at time t3 , at The second transmitting carrier phase when the second uplink positioning reference signal is transmitted at time t4 , and the second receiving and transmitting carrier phase difference value for the second access network device 503 is determined based on the second receiving carrier phase and the second transmitting carrier phase.
  • the third receive-transmit carrier phase difference value for the third access network device 504 is determined with the third transmit carrier phase.
  • the first access network device 502 can determine the fourth receiving carrier phase when receiving the first uplink positioning reference signal, and determine the fourth transmitting carrier phase when sending the first downlink positioning reference signal, thereby determining the fourth receiving Transmitting carrier phase difference value;
  • the second access network device 503 can determine the fifth receiving carrier phase when receiving the second uplink positioning reference signal, and determine the fifth transmitting carrier phase when transmitting the second downlink positioning reference signal, thereby Determine the fifth receiving and transmitting carrier phase difference value;
  • the third access network device 504 can determine the sixth receiving carrier phase when receiving the third uplink positioning reference signal, and determine the sixth receiving carrier phase when transmitting the third downlink positioning reference signal.
  • the transmitting carrier phase is thereby determined to determine the sixth receiving and transmitting carrier phase difference value.
  • the terminal device 101, the first access network device 502, the second access network device 503 and the third access network device 504 respectively send respective receiving and transmitting carrier phase differences to the core network device 103, and the core network device 103 transmits and receives according to each
  • the carrier phase difference value is calculated to obtain the distance D1 between the terminal device 101 and the first access network device 502, the distance D2 between the terminal device 101 and the second access network device 503, and the distance D2 between the terminal device 101 and the third access network.
  • the distance D3 between the devices 504 is then determined by the core network device 103 based on the three distances (D1, D2, and D3) and the position coordinates of the three access network devices.
  • the first device obtains the receiving and transmitting carrier phase by determining the receiving carrier phase corresponding to receiving the first positioning reference signal and determining the transmitting carrier phase corresponding to sending the second positioning reference signal.
  • the difference can be used to position the first device.
  • positioning is performed according to changes in the carrier phase, and positioning measurement based on the carrier phase is implemented, which can improve positioning accuracy.
  • Figure 6 shows a flow chart of a positioning measurement method based on carrier phase provided by another embodiment of the present application.
  • the method is performed by the first device.
  • the method includes:
  • Step 601 Receive a first reference signal for positioning and determine the received carrier phase corresponding to the reception time of the first reference signal for positioning.
  • the received carrier phase is the carrier phase corresponding to when the terminal device receives the downlink positioning reference signal for the first time. That is, the terminal equipment receives the downlink positioning reference signal and determines the received carrier phase of the downlink positioning reference signal at the first time.
  • the received carrier phase is a corresponding carrier phase when the access network device receives the uplink positioning reference signal at the third time. That is, the access network equipment receives the uplink positioning reference signal and determines the received carrier phase of the uplink positioning reference signal at the third time.
  • Step 602 Send a second positioning reference signal, and determine the transmission carrier phase corresponding to the transmission time of the second positioning reference signal.
  • the transmission carrier phase is the carrier phase corresponding to when the terminal device sends the uplink positioning reference signal at the second time. That is, the terminal equipment sends the uplink positioning reference signal and determines the transmission carrier phase for sending the uplink positioning reference signal at the second time.
  • the sending carrier phase is the corresponding carrier phase when the access network device sends the downlink positioning reference signal at the fourth time. That is, the access network equipment sends a downlink positioning reference signal and determines the transmission carrier phase for sending the downlink positioning reference signal at the fourth time.
  • first time, the second time, the third time and the fourth time are not in sequence and only represent the time of receiving or sending signals.
  • the TRP first sends a downlink positioning reference signal to the UE at the fourth time.
  • the UE receives the downlink positioning reference signal sent by the TPR at the first time, and sends the downlink positioning reference signal to the UE at the second time.
  • the TRP sends an uplink positioning reference signal, and the TRP receives the uplink positioning reference signal sent by the UE at the third time.
  • the UE may determine the first receiving and transmitting carrier phase difference 701 based on the receiving carrier phase corresponding to the first time (i.e., receiving time) and the transmitting carrier phase corresponding to the second time (i.e., transmitting time).
  • the TRP may determine the first receiving and transmitting carrier phase difference value 701 based on the third time (i.e., receiving time).
  • the receiving carrier phase corresponding to the fourth time (that is, the transmitting time) and the transmitting carrier phase corresponding to the fourth time (that is, the transmitting time) determine the second receiving and transmitting carrier phase difference 702.
  • the UE first sends an uplink positioning reference signal to the TRP at the second time, and the TRP receives the uplink positioning reference signal sent by the UE at the third time, and at the fourth time
  • the downlink positioning reference signal is sent to the UE at the first time, and the UE receives the downlink positioning reference signal at the first time.
  • the UE may determine the first receiving and transmitting carrier phase difference 801 based on the receiving carrier phase corresponding to the first time (i.e., receiving time) and the transmitting carrier phase corresponding to the second time (i.e., transmitting time).
  • the TRP may determine the first receiving and transmitting carrier phase difference value 801 based on the third time (i.e., receiving time).
  • the receiving carrier phase corresponding to the fourth time that is, the transmitting time
  • the transmitting carrier phase corresponding to the fourth time that is, the transmitting time
  • the first device only needs to determine the change value of the carrier phase between the sending time and the receiving time.
  • Step 603 Determine the receiving and transmitting carrier phase difference based on the receiving carrier phase and the transmitting carrier phase.
  • the receiving and transmitting carrier phase difference value is the change value of the carrier phase measured by the terminal device between the first time and the second time.
  • the receiving and transmitting carrier phase difference value is the change value of the carrier phase measured by the access network device between the third time and the fourth time.
  • the receiving and transmitting carrier phase difference value includes at least one of an integer and a fractional part less than an integer.
  • the phase-locked loop of the first device locks the phase to obtain the fractional part of the entire cycle, and the counter of the first device can remember the number of changes in the phase of the entire cycle. That is, the received and transmitted carrier phase difference not only includes the difference between the phase-locked loop's transmission time and reception time that is less than an entire cycle, but also includes the number of integer cycles experienced. For example, when the receiving time is earlier, the receiving carrier phase of the receiving time only contains the fractional part of the whole cycle, and after a period of time reaches the sending time, the sending carrier phase of the sending time contains the whole number of cycles and the phase-locked loop display is insufficient.
  • the fractional part of the entire cycle is the transmitting carrier phase minus the fractional part corresponding to the receiving carrier phase that is less than the entire cycle, and the receiving and transmitting carrier phase difference can be obtained.
  • the reception and transmission carrier phase difference includes an integer number of 5 and a fractional part less than an integer part of 0.3.
  • the first receiving and transmitting carrier phase difference value 701 of the UE is the number of integer cycles of the carrier phase experienced by the terminal's phase-locked loop from the first time to the second time and possible insufficient integer cycles.
  • the fractional part of a cycle, and the second receiving and transmitting carrier phase difference value 702 of the TRP is the number of integer cycles of the carrier phase experienced by the phase-locked loop at the TRP end from the fourth time to the third time and the possible fractional parts that are less than an integer cycle.
  • Step 604 Send a receiving and transmitting carrier phase difference value to the second device, where the receiving and transmitting carrier phase difference value includes at least one of an integer and a fractional part that is less than an integer.
  • the first device may send a positioning measurement report to the second device, and the second device performs positioning based on the positioning measurement report.
  • the second device includes core network equipment.
  • the location server in the core network can determine the location of the terminal device based on the positioning measurement report.
  • the first device may send the receiving and transmitting carrier phase difference value to the second device.
  • the second device determines the round-trip carrier phase difference between different first devices based on the receiving and transmitting carrier phase difference values sent by different first devices, thereby determining the signal round-trip time.
  • the second device may receive a first receiving and transmitting carrier phase difference value from the terminal device and a second receiving and transmitting carrier phase difference value from the access network device. According to the first receiving and transmitting carrier phase difference The difference between the value and the second receiving and transmitting carrier phase difference value determines the round-trip carrier phase difference between the terminal device and the access network device.
  • the round-trip carrier phase difference is the phase difference obtained by subtracting the first receiving and transmitting carrier phase difference value 701 from the second receiving and transmitting carrier phase difference value 702 .
  • the round-trip carrier phase difference is the phase difference obtained by subtracting the second receiving and transmitting carrier phase difference 802 from the first receiving and transmitting carrier phase difference 801 .
  • the second device can determine the round-trip time between the terminal device and the different access network devices based on the round-trip carrier phase difference between the terminal device and the different access network devices, thereby determining the distance between the terminal device and the different access network devices. , determine the location of the terminal device according to different distances, and realize the positioning of the terminal device.
  • the second device can determine the round-trip time with the at least three access network devices based on the round-trip carrier phase differences between the terminal device and the at least three access network devices, and then determine the round-trip time with the at least three access network devices based on the round-trip carrier phase differences with the at least three access network devices.
  • the round trip time between network devices determine the distance to at least three access network devices, and determine the location of the terminal device based on different distances.
  • the core network device 103 determines the round-trip carrier phase between the terminal device 101 and the first access network device 502 based on the first receiving and transmitting carrier phase difference and the fourth receiving and transmitting carrier phase difference. difference, thereby determining the round-trip time T1, and determining the distance D1 between the terminal device 101 and the first access network device 502 based on the round-trip time T1; and determining the terminal based on the second receiving and transmitting carrier phase difference and the fifth receiving and transmitting carrier phase difference.
  • the round-trip carrier phase difference between the device 101 and the second access network device 503 is used to determine the round-trip time T2, and the distance D2 between the terminal device 101 and the second access network device 503 is determined based on the round-trip time T2; according to the third The receiving and transmitting carrier phase difference and the sixth receiving and transmitting carrier phase difference determine the round-trip carrier phase difference between the terminal device 101 and the third access network device 504, thereby determining the round-trip time T3, and determining the round-trip time T3 between the terminal device 101 and the third access network device 504 based on the round-trip time T3.
  • the distance between the three access network devices 504 is D3.
  • the core network device 103 determines the location of the terminal device 101 based on the distance D1, the distance D2 and the distance D3.
  • the first device may send the receiving and transmitting carrier phase difference to the second device, where the phase difference includes an integer and a fractional part less than an integer.
  • the second device can determine the round-trip carrier phase difference based on the receiving and transmitting carrier phase difference of the terminal device and the receiving and transmitting carrier phase difference of the access network device, thereby determining the signal round-trip time.
  • the terminal equipment only needs to obtain the carrier phase difference between the carrier phase at the time of receiving the signal and the carrier phase at the time of sending the signal, without measuring the change value of the carrier phase during the transmission process of the signal sent by the access network equipment. , avoiding the inability to accurately measure the carrier phase sent by the access network equipment due to the problem of integer ambiguity, and helping to improve positioning accuracy.
  • Figure 10 shows a flow chart of a positioning measurement method based on carrier phase provided by another embodiment of the present application.
  • the method is performed by the first device.
  • the method includes:
  • Step 1001 Receive configuration information.
  • the configuration information is used to indicate the configuration information of the first positioning purpose reference signal and the second positioning purpose reference signal.
  • the first device When the first device receives the first positioning reference signal or sends the second positioning reference signal, it needs to receive and send the positioning reference signal according to the configuration information.
  • the configuration information can be configured by a network device, which includes at least one of a core network device and an access network device.
  • the first positioning reference signal is a downlink positioning reference signal.
  • the network equipment needs to configure the downlink positioning reference signal for the terminal device first, so that the terminal device can receive the downlink positioning reference signal according to the configuration information.
  • the second positioning reference signal is the uplink positioning reference signal.
  • the network equipment needs to configure the uplink positioning reference signal for the terminal device so that the terminal device can send the uplink positioning reference signal to the access network device according to the configuration information.
  • the configuration information contains at least one of the following:
  • Time-frequency domain resources of reference signals for positioning purposes are Time-frequency domain resources of reference signals for positioning purposes
  • Step 1002 Receive the first reference signal for positioning and determine the received carrier phase corresponding to the reception time of the first reference signal for positioning.
  • the first device may receive the first positioning reference signal and determine the received carrier phase according to the signal type and resource information indicated by the configuration information.
  • Step 1003 Send a second positioning reference signal, and determine the transmission carrier phase corresponding to the sending time of the second positioning reference signal.
  • the first device may send the second positioning purpose reference signal and determine the sending carrier phase according to the signal type and resource information indicated by the configuration information.
  • Step 1004 Determine the phase difference between the receiving and transmitting carriers based on the receiving carrier phase and the transmitting carrier phase.
  • the first device determines the receiving and transmitting carrier phase difference between the receiving time and the transmitting time based on the receiving carrier phase and the transmitting carrier phase.
  • Step 1005 Send the receiving and transmitting carrier phase difference value to the second device.
  • the received and transmitted carrier phase difference value is for a specified path
  • the specified path includes at least one of a first path and an additional path other than the first path.
  • the first path refers to the earliest path reached.
  • signal transmission involves multipath, because the signal may encounter various obstacles during the transmission process, causing the signal to undergo refraction, reflection, etc. in addition to the direct path, so the signal will pass through multiple Different paths arrive at the receiving end, and each path arrives at the receiving end at a different time.
  • Step 1006 Indicate to the second device whether the specified path is a LoS path, or indicate the probability that the specified path is a LoS path.
  • the first device when the first device transmits and receives the carrier phase difference value to the second device, it may also indicate to the second device whether the specified path for which the carrier phase difference value is received and transmitted is line of sight (Line of sight). Sight, LoS) path, or, the probability of LoS path.
  • Line of sight Line of sight
  • the signal is transmitted between the signal sending end and the signal receiving end without obstruction.
  • the positioning reference signal is transmitted without obstruction between the terminal equipment and the access network equipment.
  • the first device when the first device sends and receives the carrier phase difference value to the second device, it may also report other measurement information.
  • the time error group information includes receiving time error group (Rx time Error Group, RxEG), sending time error group (Tx time Error Group, TxEG), sending and receiving time error group (Tx Rx time Error Group, TxRxEG) at least one.
  • receiving the phase error group information corresponding to the carrier phase difference value includes at least one of receiving error group information and transmitting error group information.
  • the receiving error group information is the information corresponding to the error generated when measuring the phase of the first positioning reference signal when the first device receives the first positioning reference signal;
  • the sending error group information is the first device sending the second positioning reference signal.
  • information corresponding to the phase error generated when the second reference signal for positioning is transmitted.
  • the phase error group information may include at least one of a phase error group ID and a phase error value.
  • the second device can determine the round-trip carrier phase difference based on the receiving and sending carrier phase difference value of the first device and the phase error group information corresponding to the receiving and sending carrier phase difference value, thereby improving the accuracy of determining the round-trip carrier phase difference and helping to improve positioning Accuracy.
  • the time stamp (time stamp) corresponding to the received and transmitted carrier phase difference value includes at least one of a receiving time stamp and a transmitting time stamp.
  • Each receiving and transmitting carrier phase difference value corresponds to a receiving timestamp and/or a transmitting timestamp.
  • the second device can also perform multiple positioning based on other measurement results, and obtain the position of the terminal device based on the weighted average of the multiple positioning results to improve positioning accuracy.
  • Figure 11 shows a flow chart of a positioning measurement method based on carrier phase provided by another embodiment of the present application.
  • the method is performed by the second device.
  • the method includes:
  • Step 1101 Receive the receiving and transmitting carrier phase difference value sent by the first device.
  • the receiving and transmitting carrier phase difference value is determined by the first device based on the receiving carrier phase and the transmitting carrier phase.
  • the receiving carrier phase is the first positioning purpose reference received by the first device.
  • the corresponding carrier phase when the signal is sent, and the sending carrier phase is the corresponding carrier phase when the first device sends the second positioning purpose reference signal.
  • the second device includes a core network device; the first device includes at least one of a terminal device and an access network device.
  • the second device receives the receiving and transmitting carrier phase difference values sent by each first device, and performs positioning calculation.
  • the receiving and transmitting carrier phase difference value received by the second device is the difference between the receiving carrier phase when the terminal device receives the downlink positioning reference signal and the transmitting carrier phase when transmitting the uplink positioning reference signal. phase difference.
  • the receiving and transmitting carrier phase difference value received by the second device is the receiving carrier phase when the access network device receives the uplink positioning reference signal and the transmitting carrier when transmitting the downlink positioning reference signal.
  • the second device can determine the location of the terminal device based on the receiving and transmitting carrier phase differences respectively sent by the terminal device and the access network device.
  • the core network device 103 receives the first receiving and transmitting carrier phase difference value, the second receiving and transmitting carrier phase difference value, and the third receiving and transmitting carrier phase difference value sent from the terminal device 101.
  • the first device obtains the receiving and transmitting carrier phase by determining the receiving carrier phase corresponding to the receiving time of receiving the first positioning reference signal and determining the transmitting carrier phase corresponding to the transmitting time of transmitting the second positioning reference signal.
  • the difference is sent to the second device, and the second device performs positioning calculation based on the phase difference of the receiving and transmitting carriers sent by the first device.
  • the second device can perform positioning according to changes in the carrier phase, thereby achieving positioning measurement based on the carrier phase, which can improve positioning accuracy.
  • Figure 12 shows a flow chart of a positioning measurement method based on carrier phase provided by another embodiment of the present application.
  • the method is performed by the second device.
  • the method includes:
  • Step 1201 Receive a receiving and transmitting carrier phase difference value sent by the first device, where the receiving and transmitting carrier phase difference value includes at least one of an integer and a fractional part that is less than an integer.
  • the receiving and transmitting carrier phase difference value received by the second device includes at least one of an integer and a fractional part less than an integer.
  • the phase-locked loop of the first device locks the phase to obtain the fractional part of the entire cycle, and the counter of the first device can remember the number of changes in the phase of the entire cycle. That is, the received and transmitted carrier phase difference not only includes the difference between the phase-locked loop's transmission time and reception time that is less than an entire cycle, but also includes the number of integer cycles experienced.
  • the receiving carrier phase is the carrier phase corresponding to when the terminal device receives the downlink positioning reference signal at the first time;
  • the transmitting carrier phase is the carrier phase when the terminal device sends the uplink positioning reference signal at the second time
  • the receiving and transmitting carrier phase difference value received by the second device is the change value of the carrier phase measured by the terminal device between the first time and the second time.
  • the receiving carrier phase is the corresponding carrier phase when the access network device receives the uplink positioning reference signal at the third time;
  • the transmitting carrier phase is the corresponding carrier phase when the access network device receives the uplink positioning reference signal at the fourth time.
  • the receiving and transmitting carrier phase difference value received by the second device is the change value of the carrier phase measured by the access network device between the third time and the fourth time.
  • the second device may determine the difference between the different first devices based on the receiving and transmitting carrier phase difference value sent by the different first device.
  • the round-trip carrier phase difference determines the signal round-trip time.
  • the second device can receive the first receiving and transmitting carrier phase difference value 701 sent from the UE and the second receiving and transmitting carrier phase difference value 702 sent by the TRP, thereby determining the relationship between the UE and the TRP. Round trip carrier phase difference.
  • the second device may receive a first receiving and transmitting carrier phase difference value from the terminal device and a second receiving and transmitting carrier phase difference value from the access network device.
  • the difference between the carrier phase differences is sent to determine the round-trip carrier phase difference between the terminal equipment and the access network equipment.
  • the second device can determine the round-trip time between the terminal device and the different access network devices based on the round-trip carrier phase difference between the terminal device and the different access network devices, thereby determining the round-trip time between the terminal device and the different access network devices.
  • distance determine the location of the terminal device based on different distances, and realize the positioning of the terminal device.
  • the second device can determine the round-trip time with the at least three access network devices based on the round-trip carrier phase differences between the terminal device and the at least three access network devices, and then determine the round-trip time with the at least three access network devices based on the round-trip carrier phase differences with the at least three access network devices.
  • the round trip time between network devices determine the distance to at least three access network devices, and determine the location of the terminal device based on different distances.
  • the receiving and transmitting carrier phase difference value received by the second device includes an integer number and a decimal part that is less than the integer number.
  • the second device can determine the round-trip carrier phase difference based on the receiving and transmitting carrier phase difference of the terminal device and the receiving and transmitting carrier phase difference of the access network device, thereby determining the signal round-trip time.
  • the terminal equipment only needs to obtain the carrier phase difference between the carrier phase at the time of receiving the signal and the carrier phase at the time of sending the signal, without the need to change the carrier phase change value of the signal sent by the access network device during the transmission process. Measurement avoids the inability to accurately measure the carrier phase sent by access network equipment due to integer ambiguity issues, helping to improve positioning accuracy.
  • Figure 13 shows a flow chart of a positioning measurement method based on carrier phase provided by another embodiment of the present application.
  • the method is performed by the second device.
  • the method includes:
  • Step 1301 Send configuration information.
  • the configuration information is used to indicate the configuration information of the first positioning purpose reference signal and the second positioning purpose reference signal.
  • the first device When the first device receives the first positioning reference signal or sends the second positioning reference signal, it needs to receive and send the positioning reference signal according to the configuration information.
  • the configuration information can be configured by the second device and sent to the first device.
  • the first positioning reference signal is a downlink positioning reference signal.
  • the second device needs to configure the downlink positioning reference signal for the terminal device first, so that the terminal device can receive the downlink positioning reference signal according to the configuration information.
  • the second positioning reference signal is an uplink positioning reference signal.
  • the second device needs to configure the uplink positioning reference signal for the terminal device so that the terminal device can send the uplink positioning reference signal to the access network device according to the configuration information.
  • the configuration information contains at least one of the following:
  • Time-frequency domain resources of reference signals for positioning purposes are Time-frequency domain resources of reference signals for positioning purposes
  • Step 1302 Receive the receiving and transmitting carrier phase difference value sent by the first device.
  • the first device can receive or send a positioning reference signal according to the configuration information, determine the receiving and transmitting carrier phase difference value and send it to the second device, and the second device receives the receiving and transmitting carrier phase difference value sent by the first device.
  • Step 1303 Receive whether the designated path indicated by the first device is a LoS path, or the probability that the designated path indicated is a LoS path.
  • the received and transmitted carrier phase difference value is for a designated path among multipaths, and the designated path includes at least one of a first path and an additional path other than the first path.
  • signal transmission involves multipath, because the signal may encounter various obstacles during the transmission process, causing the signal to undergo refraction, reflection, etc. in addition to the direct path, so the signal will pass through multiple Different paths arrive at the receiving end, and the arrival time of each path is different.
  • the first path refers to the earliest path reached.
  • the first device may indicate to the second device whether the specified path for which the carrier phase difference value is received and transmitted is a LoS path, or the probability that it is a LoS path.
  • the signal is transmitted between the signal sending end and the signal receiving end without obstruction.
  • the positioning reference signal is transmitted without obstruction between the terminal equipment and the access network equipment.
  • the second device can also receive other measurement information.
  • other measurement results include at least one of RSRP, AoA, AoD, ToA, TDoA, DL RSTD, UL RTOA, RTT, and reception and transmission time difference
  • the time error group information includes at least one of RxEG, TxEG, and TxRxEG.
  • receiving the phase error group information corresponding to the carrier phase difference value includes at least one of receiving error group information and transmitting error group information.
  • the receiving error group information is the information corresponding to the error generated when measuring the phase of the first positioning reference signal when the first device receives the first positioning reference signal;
  • the sending error group information is the first device sending the second positioning reference signal.
  • information corresponding to the phase error generated when the second reference signal for positioning is transmitted.
  • the phase error group information may include at least one of a phase error group ID and a phase error value.
  • the second device can determine the round-trip carrier phase difference based on the receiving and sending carrier phase difference value of the first device and the phase error group information corresponding to the receiving and sending carrier phase difference value, thereby improving the accuracy of determining the round-trip carrier phase difference and helping to improve positioning Accuracy.
  • the time stamp corresponding to the received and transmitted carrier phase difference value includes at least one of a receiving time stamp and a transmitting time stamp.
  • Each receiving and transmitting carrier phase difference value corresponds to a receiving timestamp and/or a transmitting timestamp.
  • the second device can also perform multiple positioning based on other measurement results reported by the first device, and obtain the position of the terminal device based on the weighted average of the multiple positioning results to improve positioning accuracy.
  • Step 1401 The access network device sends a downlink positioning reference signal to the terminal device.
  • the access network equipment sends a downlink positioning reference signal to the terminal equipment at the fourth time to determine the second transmission carrier phase.
  • the terminal equipment receives the downlink positioning reference signal sent by the access network equipment at the first time and determines the first received carrier phase.
  • Step 1402 The terminal device sends an uplink positioning reference signal to the access network device.
  • the terminal equipment sends an uplink positioning reference signal to the access network equipment at the second time to determine the first transmission carrier phase.
  • the access network equipment receives the uplink positioning reference signal sent by the terminal equipment at the third time and determines the second received carrier phase.
  • the terminal device sends uplink positioning reference signals to at least three access network devices.
  • Step 1401 may be executed first, or step 1402 may be executed first.
  • Step 1403 The terminal device determines the first received and transmitted carrier phase difference between the first time of receiving the downlink positioning reference signal and the second time of transmitting the uplink positioning reference signal.
  • the terminal device determines a first receiving and transmitting carrier phase difference value based on the first receiving carrier phase and the first transmitting carrier phase.
  • the terminal equipment respectively determines at least three first receiving and transmitting carrier phase difference values relative to at least three access network devices.
  • Step 1404 The access network device determines the second receiving and transmitting carrier phase difference between the third time of receiving the uplink positioning reference signal and the fourth time of transmitting the downlink positioning reference signal.
  • Each access network device determines the second receiving and transmitting carrier phase difference value based on the second receiving carrier phase and the second transmitting carrier phase.
  • Step 1405 The terminal device sends the first receiving and transmitting carrier phase difference value to the core network device.
  • the terminal device sends first receiving and transmitting carrier phase difference values respectively relative to at least three access network devices to the core network device.
  • Step 1406 The access network device sends the second receiving and transmitting carrier phase difference value to the core network device.
  • Each of the at least three access network devices sends a second receiving and transmitting carrier phase difference value to the core network device respectively.
  • Step 1407 The core network device determines the round-trip carrier phase difference value based on the first receiving and transmitting carrier phase difference value and the second receiving and transmitting carrier phase difference value.
  • the core network device determines the round-trip carrier phase difference experienced by the positioning reference signal between the terminal device and the access network device based on the first receiving and transmitting carrier phase difference value and the second receiving and transmitting carrier phase difference value corresponding to the same access network device. .
  • the core network device may determine round-trip carrier phase differences between the terminal device and at least three access network devices.
  • Step 1408 The core network equipment determines the signal round-trip time based on the round-trip carrier phase difference value.
  • the core network equipment determines the signal round-trip time between the terminal equipment and the access network equipment based on the round-trip carrier phase difference value, and obtains the signal round-trip time between the terminal equipment and at least three access network equipment.
  • Step 1409 The core network device determines the device distance between the terminal device and the access network device based on the signal round-trip time.
  • the core network device determines the device distance between the terminal device and the at least three access network devices based on the round-trip time between the terminal device and the at least three access network devices.
  • Step 1410 The core network device determines the location of the terminal device based on different device distances.
  • the core network equipment determines the location of the terminal equipment based on at least three equipment distances to achieve positioning.
  • the round-trip carrier phase difference between the terminal equipment and the access network equipment is determined based on the carrier phase when the positioning reference signal is received and transmitted between the terminal equipment and the access network equipment, so that the round-trip carrier phase difference can be determined based on the round-trip carrier phase difference. Determining the signal round-trip time can improve the accuracy of determining the signal round-trip time, thereby improving positioning accuracy.
  • Figure 15 shows a structural block diagram of a carrier phase-based positioning device provided by an exemplary embodiment of the present application.
  • the device includes:
  • the first receiving module 1501 is configured to receive a first positioning reference signal and determine the received carrier phase corresponding to the first positioning reference signal;
  • the first sending module 1502 is configured to send a second positioning reference signal and determine the transmission carrier phase corresponding to the second positioning reference signal;
  • Determining module 1503 configured to determine a receiving and transmitting carrier phase difference value based on the receiving carrier phase and the transmitting carrier phase.
  • the first sending module 1502 is also used to:
  • the receiving and transmitting carrier phase difference value is sent to the second device, where the receiving and transmitting carrier phase difference value includes at least one of an integer and a fractional part that is less than an integer.
  • the first receiving module 1501 is also used to:
  • Receive configuration information where the configuration information is used to indicate configuration information of the first positioning purpose reference signal and the second positioning purpose reference signal.
  • the first device includes at least one of a terminal device and an access network device.
  • the first device includes a terminal device
  • the received carrier phase is the corresponding carrier phase when the terminal device receives the downlink positioning reference signal for the first time;
  • the sending carrier phase is the corresponding carrier phase when the terminal device sends the uplink positioning reference signal at the second time;
  • the receiving and transmitting carrier phase difference value is the change value of the carrier phase measured by the terminal device between the first time and the second time.
  • the first device includes an access network device
  • the received carrier phase is the corresponding carrier phase when the access network device receives the uplink positioning reference signal at the third time;
  • the sending carrier phase is the corresponding carrier phase when the access network device sends the downlink positioning reference signal at the fourth time;
  • the receiving and transmitting carrier phase difference value is the change value of the carrier phase measured by the access network device between the third time and the fourth time.
  • the receiving and transmitting carrier phase difference value is for a designated path, and the designated path includes at least one of a first path and an additional path other than the first path.
  • the first sending module 1502 is also used to:
  • the second device includes core network equipment.
  • the first sending module 1502 is also used to:
  • phase error group information corresponding to the received and transmitted carrier phase difference value
  • the node corresponding to the receiving and transmitting carrier phase difference value, the positioning signal identifier and the positioning signal set identifier;
  • the other measurement results include at least one of RSRP, AoA, AoD, ToA, TDoA, DL RSTD, UL RTOA, RTT, and reception and transmission time difference
  • the time error group information includes at least one of RxEG, TxEG, and TxRxEG One item.
  • the first reference signal for positioning includes at least one of PRS and SRS
  • the second reference signal for positioning includes at least one of the PRS and SRS
  • the first device determines the receiving carrier phase corresponding to receiving the first positioning reference signal and determines the transmitting carrier phase corresponding to sending the second positioning reference signal, thereby obtaining the receiving and transmitting carrier phase difference value, which can be used Positioning of the first device.
  • positioning is performed according to changes in the carrier phase, and positioning measurement based on the carrier phase is implemented, which can improve positioning accuracy.
  • Figure 16 shows a structural block diagram of a carrier phase-based positioning device provided by another exemplary embodiment of the present application.
  • the device includes:
  • the second receiving module 1601 is used to receive the receiving and transmitting carrier phase difference value sent by the first device.
  • the receiving and transmitting carrier phase difference value is determined by the first device according to the receiving carrier phase and the transmitting carrier phase.
  • the phase is the carrier phase corresponding to when the first device receives the first positioning reference signal
  • the transmitting carrier phase is the carrier phase corresponding to when the first device sends the second positioning reference signal.
  • the receiving and transmitting carrier phase difference value includes at least one of an integer and a fractional part that is less than an integer.
  • the device also includes:
  • the second sending module is configured to send configuration information, where the configuration information is used to indicate configuration information of the first positioning purpose reference signal and the second positioning purpose reference signal.
  • the first device includes at least one of a terminal device and an access network device.
  • the first device includes a terminal device
  • the received carrier phase is the corresponding carrier phase when the terminal device receives the downlink positioning reference signal for the first time;
  • the sending carrier phase is the corresponding carrier phase when the terminal device sends the uplink positioning reference signal at the second time;
  • the receiving and transmitting carrier phase difference value is the change value of the carrier phase measured by the terminal device between the first time and the second time.
  • the first device includes an access network device
  • the received carrier phase is the corresponding carrier phase when the access network device receives the uplink positioning reference signal at the third time;
  • the sending carrier phase is the corresponding carrier phase when the access network device sends the downlink positioning reference signal at the fourth time;
  • the receiving and transmitting carrier phase difference value is the change value of the carrier phase measured by the access network device between the third time and the fourth time.
  • the receiving and transmitting carrier phase difference value is for a designated path, and the designated path includes at least one of a first path and an additional path other than the first path.
  • the second receiving module 1601 is also used to:
  • the second device includes core network equipment.
  • the second receiving module 1601 is also used to:
  • phase error group information corresponding to the received and transmitted carrier phase difference value
  • the node corresponding to the receiving and transmitting carrier phase difference value, the positioning signal identifier and the positioning signal set identifier;
  • the other measurement results include at least one of RSRP, AoA, AoD, ToA, TDoA, DL RSTD, UL RTOA, RTT, and reception and transmission time difference
  • the time error group information includes at least one of RxEG, TxEG, and TxRxEG One item.
  • the first reference signal for positioning includes at least one of PRS and SRS
  • the second reference signal for positioning includes at least one of the PRS and SRS
  • the first device obtains the receiving and transmitting carrier phase by determining the receiving carrier phase corresponding to the receiving time of receiving the first positioning reference signal and determining the transmitting carrier phase corresponding to the transmitting time of transmitting the second positioning reference signal.
  • the difference is sent to the second device, and the second device performs positioning calculation based on the phase difference of the receiving and transmitting carriers sent by the first device.
  • the second device can perform positioning according to changes in the carrier phase, thereby achieving positioning measurement based on the carrier phase, which can improve positioning accuracy.
  • the device provided in the above embodiments is only exemplified by the division of the above functional modules.
  • the above function allocation can be completed by different functional modules as needed, that is, the internal structure of the device is divided into Different functional modules to complete all or part of the functions described above.
  • the apparatus and method embodiments provided in the above embodiments belong to the same concept, and the implementation process can be found in the method embodiments, which will not be described again here.
  • Figure 17 shows a schematic structural diagram of a communication device (terminal device or network device) provided by an exemplary embodiment of the present application.
  • the communication device 170 includes: a processor 1701, a receiver 1702, a transmitter 1703, a memory 1704 and a bus 1705. .
  • the processor 1701 includes one or more processing cores.
  • the processor 1701 executes various functional applications and information processing by running software programs and modules.
  • the receiver 1702 and the transmitter 1703 can be implemented as a communication component, and the communication component can be a communication chip.
  • Memory 1704 is connected to processor 1701 through bus 1705.
  • the memory 1704 can be used to store at least one instruction, and the processor 1701 is used to execute the at least one instruction to implement each step in the above method embodiment.
  • memory 1704 may be implemented by any type of volatile or non-volatile storage device, or combination thereof, including but not limited to: magnetic or optical disks, electrically erasable programmable Read-only memory (Erasable Programmable Read Only Memory, EEPROM), erasable programmable read-only memory (Erasable Programmable Read Only Memory, EPROM), static random access memory (Static Random Access Memory, SRAM), read-only memory (Read -Only Memory (ROM), magnetic memory, flash memory, Programmable Read-Only Memory (PROM).
  • magnetic or optical disks electrically erasable programmable Read-only memory (Erasable Programmable Read Only Memory, EEPROM), erasable programmable read-only memory (Erasable Programmable Read Only Memory, EPROM), static random access memory (Static Random Access Memory, SRAM), read-only memory (Read -Only Memory (ROM), magnetic memory, flash memory, Programmable Read-Only Memory (PROM).
  • EEPROM electrically erasable programm
  • the processor and transceiver in the communication device involved in the embodiment of the present application can be implemented together as a communication chip, or the transceiver alone forms a communication chip.
  • the transmitter in the transceiver performs the sending step performed by the terminal device in any of the above methods
  • the receiver in the transceiver performs the receiving step performed by the terminal device in any of the above methods
  • the processor Perform steps other than sending and receiving steps, which will not be described here.
  • the processor and transceiver in the communication device involved in the embodiment of the present application can be implemented together as a communication chip, or the transceiver can be formed separately Communication chip.
  • the transmitter in the transceiver performs the sending step performed by the network device in any of the above methods
  • the receiver in the transceiver performs the receiving step performed by the network device in any of the above methods
  • the processor Perform steps other than sending and receiving steps, which will not be described here.
  • a computer-readable storage medium in which at least one instruction, at least a program, a code set or an instruction set is stored, and the at least one instruction, the At least a program, the code set or the instruction set is loaded and executed by the processor to implement the carrier phase-based positioning measurement method provided by each of the above method embodiments.
  • a chip is also provided.
  • the chip includes programmable logic circuits and/or program instructions. When the chip is run on a communication device, it is used to implement the method based on the above method embodiments. Positioning measurement method of carrier phase.
  • a computer program product which when run on a processor of a computer device causes the computer device to perform the above carrier phase-based positioning measurement method.
  • Computer-readable media includes computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another.
  • Storage media can be any available media that can be accessed by a general purpose or special purpose computer.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

La présente invention se rapporte au domaine technique des communications. L'invention concerne un procédé et des appareils de mesure de positionnement basée sur des phases de porteuse, un dispositif et un support de stockage. Le procédé consiste à : recevoir un premier signal de référence pour positionnement, et déterminer une phase de porteuse de réception correspondant à l'instant de réception du premier signal de référence pour positionnement ; envoyer un second signal de référence pour positionnement, et déterminer une phase de porteuse d'envoi correspondant à l'instant d'envoi du second signal de référence pour positionnement ; et, sur la base de la phase de porteuse de réception et de la phase de porteuse d'envoi, déterminer la valeur de différence des phases de porteuse de réception et d'envoi. Le procédé décrit dans les modes de réalisation de la présente invention peut améliorer la précision de positionnement.
PCT/CN2022/109753 2022-08-02 2022-08-02 Procédé et appareils de mesure de positionnement basée sur des phases de porteuse, dispositif et support de stockage Ceased WO2024026684A1 (fr)

Priority Applications (2)

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PCT/CN2022/109753 WO2024026684A1 (fr) 2022-08-02 2022-08-02 Procédé et appareils de mesure de positionnement basée sur des phases de porteuse, dispositif et support de stockage
CN202280003014.1A CN117813803A (zh) 2022-08-02 2022-08-02 基于载波相位的定位测量方法、装置、设备及存储介质

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PCT/CN2022/109753 WO2024026684A1 (fr) 2022-08-02 2022-08-02 Procédé et appareils de mesure de positionnement basée sur des phases de porteuse, dispositif et support de stockage

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NOKIA, NOKIA SHANGHAI BELL: "Initial Views on improved accuracy based on NR carrier phase measurement", 3GPP TSG RAN WG1 #109, R1-2203178, 29 April 2022 (2022-04-29), XP052152860 *

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