WO2023011321A1 - Procédé et appareil de positionnement, dispositif, et support de stockage - Google Patents

Procédé et appareil de positionnement, dispositif, et support de stockage Download PDF

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Publication number
WO2023011321A1
WO2023011321A1 PCT/CN2022/108721 CN2022108721W WO2023011321A1 WO 2023011321 A1 WO2023011321 A1 WO 2023011321A1 CN 2022108721 W CN2022108721 W CN 2022108721W WO 2023011321 A1 WO2023011321 A1 WO 2023011321A1
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WIPO (PCT)
Prior art keywords
reference signal
positioning reference
resource
downlink positioning
resource set
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PCT/CN2022/108721
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English (en)
Chinese (zh)
Inventor
李辉
任斌
任晓涛
达人
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大唐移动通信设备有限公司
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Publication of WO2023011321A1 publication Critical patent/WO2023011321A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports

Definitions

  • the present application relates to the technical field of wireless communication, and in particular to a positioning method, device, equipment and storage medium.
  • NR positioning technology includes downlink positioning technology, uplink positioning technology and uplink and downlink mixed positioning technology.
  • the downlink positioning technology uses the UE (terminal) to measure the downlink positioning reference signal (Downlink-Positioning Reference Signal, DL PRS) to obtain the positioning measurement value and report it to the positioning server.
  • DL PRS Downlink-Positioning Reference Signal
  • the downlink positioning technology includes NR downlink time difference of arrival (Downlink-Time Difference Of Arrival, DL-TDOA) and NR Downlink-Angle of Departure (DL-AoD); uplink positioning technology uses gNB (base station) to measure the uplink sounding reference signal (Uplink-Sounding Reference Signal, UL SRS) to obtain the positioning measurement value and report it Positioning server, uplink positioning technology includes NR uplink time difference of arrival (Uplink-Time Difference Of Arrival, UL-TDOA) and NR uplink angle of arrival (Uplink-Angle of Arrival, UL-AoA); uplink and downlink hybrid positioning technology includes NR multi-cell round-trip Time (Multiplecell-Round Trip Time, Multi-RTT), NR Multi-RTT reports UE sending and receiving time difference (UE Rx-Tx time difference) for UE, and gNB reports gNB sending and receiving time difference (gNB Rx-Tx time difference).
  • gNB downlink time difference of arrival
  • the positioning server performs positioning based on the measurement results reported by the terminal (or base station) , the obtained location information is not accurate enough; and when the terminal (or base station) performs measurement, the number of received signal resources is large or the beam of the base station (or terminal) is thin, the measurement complexity of the terminal (or base station) is high , and at the same time, the reference signal resource overhead of the base station (or terminal) is also relatively high.
  • Embodiments of the present application provide a positioning method, device, device, and storage medium, which are used to improve positioning accuracy while ensuring measurement complexity.
  • a positioning method which is applied to a positioning server, and the method includes:
  • the first resource set and the second resource set include a plurality of downlink positioning reference signal resources
  • the terminal receiving a first measurement result reported by the terminal; wherein the first measurement result is a result obtained by the terminal measuring the downlink positioning reference signal resources in the first resource set transmitted by the base station;
  • the base station determines the first transmission direction of the downlink positioning reference signal resource in the second resource set; or send the first measurement result to the base station, the first measurement result is used for the The base station determines the first transmission direction;
  • the second measurement result is that the terminal receives the base station according to the first transmission direction
  • the first measurement result includes the reference signal power of the downlink positioning reference signal resource in the first resource set and the index of the downlink positioning reference signal resource
  • the second measurement result includes the second The downlink positioning reference signal resource information and the index of the downlink positioning reference signal resource in the resource set
  • the downlink positioning reference signal resource information includes: downlink positioning reference signal time difference or downlink positioning reference signal power.
  • the determining the first transmission direction of the downlink positioning reference signal resource in the second resource set according to the first measurement result includes:
  • the first downlink positioning reference signal resource is a downlink positioning reference signal resource determined according to reference signal power in the first measurement result
  • the method further includes:
  • the positioning reference signal resources, and the first message is used to notify the terminal that the base station transmits the downlink positioning reference signal resources in the second resource set in a first transmission direction.
  • the first message includes:
  • the second quasi-co-location QCL relationship is the configuration of the positioning server for the downlink positioning reference signal resource in the second resource set according to the first transmission direction and the first downlink the QCL relationship of the positioning reference signal resource; or,
  • a first indication message where the first indication message is used to instruct the base station to adjust the transmission direction of the downlink positioning reference signal resources in the second resource set to the first transmission direction; or,
  • the index of the second downlink positioning reference signal resource is determined by the positioning server to transmit from the second resource set according to the first measurement result and the first QCL relationship to the The downlink positioning reference signal resources of the terminal, the first QCL relationship is the QCL relationship between the downlink positioning reference signal resources in the first resource set and the downlink positioning reference signal resources in the second resource set, and the second The transmission direction of the downlink positioning reference signal resource is the same as the first transmission direction.
  • locating the position of the terminal according to the second measurement result includes:
  • a positioning method which is applied to a base station, and the method includes:
  • the positioning server transmits the downlink positioning reference signal resources in the second resource set to the terminal according to the first transmission direction determined by the positioning server, where the downlink positioning reference signal resources are used by the terminal to measure the received downlink positioning reference signal resources , obtaining a second measurement result, and used for the positioning server to locate the position of the terminal based on the second measurement result reported by the terminal.
  • the transmitting the downlink positioning reference signal resource in the second resource set to the terminal according to the first transmission direction determined by the positioning server includes:
  • the positioning server receiving a first message sent by the positioning server; wherein the first message is used to instruct the base station to transmit the downlink positioning reference signal resources in the second resource set based on the first transmission direction, and the first message uses Informing the terminal that the direction in which the base station transmits the downlink positioning reference signal resources in the second resource set is a first transmission direction.
  • the first message includes one of the first transmission direction, the index of the second downlink positioning reference signal resource, the second QCL relationship, or the first indication message, and the first transmission direction determined according to the positioning server Transmitting the downlink positioning reference signal resource in the second resource set to the terminal includes:
  • the content of the first message is the first transmission direction
  • the first transmission direction is the positioning determined by the server according to the first measurement result reported by the terminal, where the first measurement result is a result obtained by the terminal measuring the downlink positioning reference signal in the first resource set;
  • the second downlink positioning reference signal resource determines, for the positioning server, a downlink positioning reference signal resource to be transmitted to the terminal from a second resource set according to the first measurement result reported by the terminal and the first QCL relationship, where the first QCL relationship is the first resource a QCL relationship between the concentrated downlink positioning reference signal resources and the downlink positioning reference signal resources in the second resource set, where the transmission direction of the second downlink positioning reference signal resources is the same as the first transmission direction;
  • the content of the first message is the second QCL relationship
  • the second QCL relationship is the second QCL relationship
  • the content of the first message is the first indication message, adjusting the transmission direction of the downlink positioning reference signal resources in the second resource set to the first transmission direction and transmitting to the terminal.
  • the first measurement result includes the reference signal power of the downlink positioning reference signal resource in the first resource set and the index of the downlink positioning reference signal resource
  • the second measurement result includes the second The downlink positioning reference signal resource information and the index of the downlink positioning reference signal resource in the resource set
  • the downlink positioning reference signal resource information includes: downlink positioning reference signal time difference or downlink positioning reference signal power.
  • the transmitting the downlink positioning reference signal resource in the second resource set to the terminal according to the first transmission direction determined by the positioning server includes:
  • the positioning server or the base station After the positioning server or the base station sends the feedback information based on the first measurement result reported by the terminal to the terminal for a preset period, transmit the second set of resources to the terminal according to the first message
  • the downlink positioning reference signal resources wherein, the preset duration is predefined by the system, or the duration included in the signaling sent by the positioning server.
  • the method also includes:
  • a positioning method which is applied to a base station, and the method includes:
  • the positioning server Receiving a first measurement result sent by the positioning server; wherein the first measurement result is a result obtained by the terminal measuring the downlink positioning reference signal in the first resource set;
  • the downlink positioning reference signal resource is used for the terminal to measure the received downlink positioning reference signal resource, and obtain The second measurement result is used for the positioning server to locate the position of the terminal based on the second measurement result reported by the terminal.
  • the first measurement result includes the reference signal power of the downlink positioning reference signal resource in the first resource set and the index of the downlink positioning reference signal resource
  • the second measurement result includes the second The downlink positioning reference signal resource information and the index of the downlink positioning reference signal resource in the resource set
  • the downlink positioning reference signal resource information includes: downlink positioning reference signal time difference or downlink positioning reference signal power.
  • the determining the first transmission direction of the downlink positioning reference signal resource in the second resource set according to the first measurement result includes:
  • the first downlink positioning reference signal resource is a downlink positioning reference signal resource determined according to reference signal power in the first measurement result
  • the transmitting the downlink positioning reference signal resource in the second resource set to the terminal according to the first transmission direction includes:
  • the second downlink positioning reference signal resource is the downlink determined from the second resource set and transmitted to the terminal according to the first measurement result and the first QCL relationship positioning reference signal resources
  • the first QCL relationship is the QCL relationship between the downlink positioning reference signal resources in the first resource set and the downlink positioning reference signal resources in the second resource set
  • the second downlink positioning reference signal resource The transmission direction of the signal resource is the same as the first transmission direction; or,
  • the transmitting the downlink positioning reference signal resource in the second resource set to the terminal according to the first transmission direction includes:
  • the positioning server or the base station After the positioning server or the base station sends the feedback information based on the first measurement result reported by the terminal to the terminal for a preset period, transmit the second resource to the terminal according to the first transmission direction Concentrated downlink positioning reference signal resources; wherein, the preset duration is predefined by the system, or the duration included in the signaling sent by the positioning server.
  • the method also includes:
  • a positioning method which is applied to a terminal, and the method includes:
  • first resource set and the second resource set include a plurality of downlink positioning reference signal resources
  • the first measurement result measure the downlink positioning reference signal resources in the second resource set to obtain a second measurement result
  • the first measurement result includes the reference signal power of the downlink positioning reference signal resource in the first resource set and the index of the downlink positioning reference signal resource
  • the second measurement result includes the downlink positioning reference signal resource in the second resource set Reference signal resource information and an index of downlink positioning reference signal resources
  • the downlink positioning reference signal resource information includes: downlink positioning reference signal time difference or downlink positioning reference signal power
  • the measuring the downlink positioning reference signal resource in the second resource set according to the first measurement result to obtain a second measurement result includes:
  • the first downlink positioning reference signal resource is a downlink positioning reference signal resource with the largest reference signal power in the first resource set;
  • a positioning device which is applied to a positioning server, and the device includes:
  • a processing module configured to configure a first resource set and a second resource set for the terminal; the first resource set and the second resource set include a plurality of downlink positioning reference signal resources;
  • a communication module configured to receive a first measurement result reported by the terminal; wherein the first measurement result is a result obtained by the terminal measuring the downlink positioning reference signal resources in the first resource set transmitted by the base station;
  • the processing module is further configured to determine a first transmission direction of downlink positioning reference signal resources in the second resource set according to the first measurement result; or, the communication module is further configured to send to the base station the first measurement result, where the first measurement result is used by the base station to determine the first transmission direction;
  • the communication module is further configured to receive a second measurement result reported by the terminal, and the processing module is configured to locate the position of the terminal according to the second measurement result; wherein the second measurement result is the The terminal measures the received downlink positioning reference signal resources in the second resource set transmitted by the base station according to the first transmission direction.
  • a positioning device which is applied to a base station, and the device includes:
  • a communication module configured to transmit downlink positioning reference signal resources in the first resource set to the terminal, or transmit downlink positioning reference signal resources in the first resource set and the second resource set to the terminal, the first resource set and the second resource Centrally including multiple downlink positioning reference signal resources;
  • the communication module is configured to transmit the downlink positioning reference signal resources in the second resource set to the terminal according to the first transmission direction determined by the positioning server, and the downlink positioning reference signal resources are used by the terminal for the received
  • the downlink positioning reference signal resource is measured to obtain a second measurement result, which is used by the positioning server to locate the position of the terminal based on the second measurement result reported by the terminal.
  • a positioning device which is applied to a base station, and the device includes:
  • a communication module configured to transmit downlink positioning reference signal resources in the first resource set to the terminal, or transmit downlink positioning reference signal resources in the first resource set and the second resource set to the terminal, the first resource set and the second resource Centrally including multiple downlink positioning reference signal resources;
  • the communication module is further configured to receive a first measurement result sent by the positioning server; wherein the first measurement result is a result obtained by the terminal measuring the downlink positioning reference signal in the first resource set;
  • a processing module configured to determine a first transmission direction of downlink positioning reference signal resources in the second resource set according to the first measurement result
  • the processing module is further configured to transmit downlink positioning reference signal resources in the second resource set to the terminal according to the first transmission direction, and the downlink positioning reference signal resources are used for downlink positioning reference signal resources received by the terminal.
  • the positioning reference signal resource is measured to obtain a second measurement result, and is used for the positioning server to locate the position of the terminal based on the second measurement result reported by the terminal.
  • a positioning device which is applied to a terminal, and the device includes:
  • a communication module configured to receive a first resource set and a second resource set transmitted by a base station, where the first resource set and the second resource set include a plurality of downlink positioning reference signal resources;
  • a processing module configured to measure the downlink positioning reference signal resources in the first resource set to obtain a first measurement result
  • the processing module is further configured to measure the downlink positioning reference signal resources in the second resource set according to the first measurement result to obtain a second measurement result;
  • the communication module is further configured to report the first measurement result and the second measurement result to a positioning server, and the first measurement result and the second measurement result are used by the positioning server to determine the position of the terminal to locate.
  • a positioning server including: a processor, a memory, and a communication interface; wherein,
  • the communication interface is used to receive and send data and/or messages under the control of the processor
  • the memory is used to store program instructions
  • the processor is configured to call the program instructions stored in the memory, according to the steps included in the method according to any one of the first aspects obtained from the program instructions.
  • a base station including: a processor, a memory, and a communication interface; wherein,
  • the communication interface is used to receive and send data and/or messages under the control of the processor
  • the memory is used to store program instructions
  • the processor is configured to call the program instructions stored in the memory, and execute the second party according to the obtained program instructions.
  • a terminal including: a processor, a memory, and a communication interface; wherein,
  • the communication interface is used to receive and send data and/or messages under the control of the processor
  • the memory is used to store program instructions
  • the processor is configured to invoke program instructions stored in the memory, and execute the steps included in any one of the methods in the fourth aspect according to the obtained program instructions.
  • a computer-readable storage medium stores computer-executable instructions, and the computer-executable instructions are used to make a computer perform any one of the methods described in the first aspect, including A step of.
  • a computer-readable storage medium stores computer-executable instructions, and the computer-executable instructions are used to cause a computer to execute any one of the second aspect or the third aspect. The steps included in the method described above.
  • a fourteenth aspect there is provided a computer-readable storage medium, the computer-readable storage medium stores computer-executable instructions, and the computer-executable instructions are used to make a computer perform any one of the methods described in the fourth aspect, including A step of.
  • the first transmission direction of the downlink positioning reference signal in the second resource set is determined based on the measurement result of the downlink positioning reference signal in the first resource set, and then the first transmission direction based on the first transmission direction Based on the measurement results of the downlink positioning reference signal resources in the second resource set, the terminal is positioned.
  • the terminal Since the terminal still measures the downlink positioning reference signal transmitted by the base station based on the original method, the measurement complexity of the terminal will not be increase, and at the same time, because the second measurement result that the positioning server finally refers to when performing positioning is the measurement result obtained by the terminal from measuring multiple downlink positioning reference signal resources from the same transmission direction (transmission in the first transmission direction), so that the terminal The second measurement result obtained by the measurement is more accurate, so that the positioning accuracy of the positioning server for positioning the terminal can be effectively improved.
  • Fig. 1 is the positioning system architecture of the 5G NR system in the embodiment of the present application
  • FIG. 2 is a transmission mode of a two-level PRS resource provided by an embodiment of the present application
  • Fig. 3 is a process interaction diagram of a positioning method provided by an embodiment of the present application.
  • FIG. 4 is a process interaction diagram of another positioning method provided in the embodiment of the present application.
  • FIG. 5 is a structural block diagram of a positioning device of a positioning server provided by an embodiment of the present application.
  • FIG. 6 is a structural block diagram of a positioning device for a base station provided in an embodiment of the present application.
  • FIG. 7 is a structural block diagram of another base station positioning device provided in an embodiment of the present application.
  • FIG. 8 is a structural block diagram of a positioning device for a terminal provided in an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a positioning server provided by an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a base station provided in an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a terminal provided by an embodiment of the present application.
  • Network equipment which is a device that provides wireless communication functions for the terminal, including but not limited to: gNB in 5G, radio network controller (Radio Network Controller, RNC), node B (Node B, NB) , Base Station Controller (Base Station Controller, BSC), Base Transceiver Station (Base Transceiver Station, BTS), Home Base Station (for example, Home evolved NodeB, or Home Node B, HNB), Base Band Unit (Base Band Unit, BBU), Transmission point (Transmitting and Receiving Point, TRP), transmitting point (Transmitting Point, TP), mobile switching center, etc.
  • the base station in this application may also be a device that provides wireless communication functions for terminals in other communication systems that may appear in the future. In this embodiment of the present application, a base station is taken as an example for description.
  • a terminal is a device that can provide voice and/or data connectivity to users.
  • the terminal device includes a handheld device with a wireless connection function, a vehicle-mounted device, and the like.
  • terminal devices can be: mobile phone (Mobile Phone), tablet computer, notebook computer, handheld computer, mobile Internet device (Mobile Internet Device, MID), wearable device, virtual reality (Virtual Reality, VR) device, augmented reality ( Augmented Reality (AR) equipment, wireless terminals in Industrial Control, wireless terminals in Self-Driving, wireless terminals in Smart Grid, and transportation safety Wireless terminals, wireless terminals in Smart City, or wireless terminals in Smart Home, etc.
  • a reference signal for downlink positioning referred to as a downlink positioning reference signal in the embodiment of the present application, such as a PRS.
  • the positioning server can configure the PRS resource to the base station, so that the base station sends the PRS according to the PRS resource.
  • the positioning server can configure one or more PRS resources to the base station.
  • a reference signal used for uplink positioning which is called a sounding reference signal in the embodiment of the present application, such as SRS.
  • the positioning server can configure the SRS resource to the terminal, so that the terminal sends the SRS according to the SRS resource.
  • the positioning server can configure one or more SRS resources to the terminal.
  • corresponding positioning measurement values are defined for each positioning technology, as follows:
  • NR DL-TDOA UE reports DL RSTD (Downlink-Relative Signal Time Difference, downlink-relative signal time difference), and optionally reports DL PRS RSRP (Reference Signal Received Power, reference signal received power);
  • DL RSTD Downlink-Relative Signal Time Difference, downlink-relative signal time difference
  • DL PRS RSRP Reference Signal Received Power, reference signal received power
  • NR DL-AoD UE reports DL PRS RSRP
  • NR UL-TDOA gNB reports RTOA (Relative Time of Arrival, relative time of arrival), and optionally reports DL PRS RSRP;
  • NR UL-AoA gNB reports A-AoA (Angle of Arrival, Azimuth of Arrival) and Z-AoA (Zenith Angle of Arrival, Elevation of Arrival), and can optionally report UL SRS-RSRP;
  • A-AoA Angle of Arrival, Azimuth of Arrival
  • Z-AoA Zero Angle of Arrival, Elevation of Arrival
  • UE reports the time difference between sending and receiving of UE, and can optionally report DL PRS RSRP;
  • gNB reports the difference between sending and receiving time of gNB, and can optionally report UL SRS-RSRP, and can optionally report A-AoA and Z-AoA.
  • Figure 1 shows the positioning-related entities in the 5G NR system.
  • the entities involved include a terminal 101, a base station (102a, 102b, 102c) and a positioning server 103.
  • the positioning server is also called a location management function entity (Location Management Function, LMF).
  • LMF Location Management Function
  • the terminal 101 respectively measures the PRS resources sent by the base station (102a, 102b, 102c), where each PRS resource forms a different direction ( It can also be referred to as forming different beams), obtain the positioning measurement results and report them to the positioning server 103, and the positioning server 103 is based on the positioning measurement results reported by the terminal 101 and the angle information of each PRS resource reported by the base stations 102a, 102b, and 102c , determine the departure angles of the PRS resources sent by the base stations 102a, 102b, and 102c to the terminal 101, and then determine the location information of the terminal 101 according to the departure angles.
  • the terminal 101 measures the multiple beams sent by the base stations 102a, 102b, and 102c, and feeds back the RSRP corresponding to each beam to the positioning server 103, and the positioning server 103 uses the RSRP fed back by the terminal 101 and the information reported by the base stations 102a, 102b, and 102c.
  • the position of the terminal 101 is calculated using a position calculation algorithm.
  • the base stations 102a, 102b, and 102c measure the SRS resources sent by the terminal 101 respectively, wherein each SRS resource forms a different direction after being shaped (also called forming different beams), and the positioning
  • the measurement results are reported to the positioning server 103, and the positioning server 103 calculates the position of the terminal 101 based on the positioning measurement results reported by the base stations 102a, 102b, and 102c and the corresponding sending direction of each beam reported by the terminal 101.
  • the positioning server 103 calculates the position information of the terminal by measuring and reporting the RSRP of the PRS resource reported by the terminal 101 and the transmission angle of the corresponding PRS resource reported by the base station.
  • the position of terminal 101 calculated by the positioning server 103 using the location calculation algorithm is not accurate enough, and when the PRS resources sent by base stations 102a, 102b, and 102c When the number of is large or the beams sent by base stations 102a, 102b and 102c are narrow, the complexity of measurement by terminal 101 will increase, and the resource overhead of reference signals of base stations 102a, 102b and 102c will also increase.
  • an embodiment of the present application provides a positioning method, which determines the first transmission direction of the downlink positioning reference signal in the second resource set by measuring the measurement result of the downlink positioning reference signal in the first resource set, and then determines the first transmission direction of the downlink positioning reference signal in the second resource set, and then determines the Positioning the terminal based on the measurement results of downlink positioning reference signal resources in the second resource set transmitted in the first transmission direction can improve positioning accuracy while ensuring measurement complexity.
  • the base station transmits two-level PRS resources (that is, the first resource set and the second resource set) to the terminal. Please refer to FIG. It should be noted that in the positioning method provided in the embodiment of the present application, at least three base stations are required to participate, and the transmission mode of the other at least two base stations for the two-level PRS resource is the same as that shown in FIG. 2 .
  • FIG. 3 is a process interaction diagram of a positioning method provided in the embodiment of the present application, and the process steps are as follows:
  • Step 301 The positioning server configures the first resource set and the second resource set for the terminal;
  • the first resource set and the second resource set include multiple PRS resources, and each PRS resource in the first resource set can correspond to a direction after being shaped, and different PRS resources correspond to different directions.
  • the direction corresponding to the resource may be described by angle information, and the angle information may include at least one of a horizontal dimension angle and a vertical dimension angle.
  • the first resource set and the second resource set configured by the positioning server for the terminal are sent to the positioning server after being configured by the base station.
  • Step 302 the base station transmits the PRS resources in the first resource set to the terminal, or transmits the PRS resources in the first resource set and the second resource set to the terminal;
  • the base station transmits the PRS resource to the terminal may include the following two transmission modes:
  • Mode 1 PRS resources in the first resource set are transmitted periodically, and PRS resources in the second resource set are transmitted aperiodically;
  • the transmission direction of the PRS resource in the second resource set can be determined according to the first measurement result of the PRS resource in the first resource set by the terminal. Therefore, in the second resource set
  • the base station may not shape the PRS resources in the second resource set (that is, do not specify a transmission direction for the PRS resources in the second resource set) when transmitting the PRS resources in the first resource set.
  • the transmission direction of the PRS resources in the second resource set is not determined according to the first measurement result of the PRS resources in the first resource set by the terminal. Therefore, in the second resource set When the concentrated PRS resources are periodically transmitted, the base station needs to determine the transmission direction of the PRS resources in the second resource set when forming the PRS resources in the first resource set (that is, it needs to form the PRS resources in the second resource set) .
  • Step 303 The terminal measures the PRS resources in the first resource set, obtains a first measurement result, and reports the first measurement result to the positioning server;
  • the terminal regardless of whether the second resource set is periodic transmission or aperiodic transmission, the terminal only measures the PRS resources in the first resource set at this time, and after obtaining the first measurement result, the terminal will A measurement result is reported to the positioning server, wherein the first measurement result includes the RSRP of the PRS resource in the first resource set and the index of the PRS resource in the first resource set.
  • the positioning server may determine the first transmission direction by itself, and step 304a is performed at this time; in another possible implementation manner, the positioning server also The first measurement result may be directly sent to the base station, so that the base station determines the first transmission direction, and step 304b is performed at this time.
  • Step 304a The positioning server determines the first transmission direction of the PRS resource in the second resource set according to the first measurement result
  • the positioning server when receiving the first measurement result reported by the terminal, determines the first PRS resource according to the first measurement result, and determines the transmission direction corresponding to the first PRS resource as the first transmission direction.
  • the first PRS resource is determined by the positioning server according to the RSRP in the first measurement result.
  • the first PRS resource is a PRS resource with the highest RSRP in the first resource set.
  • the positioning server may also send a first message to the base station (or send the first message to the terminal and the base station at the same time), and the first message sent to the base station is used to indicate
  • the base station transmits the PRS resources in the second resource set based on the first transmission direction; the first message sent to the terminal is used to inform the base station that the transmission direction of the PRS resources in the second resource set is the first transmission direction.
  • the positioning server may first determine the content of the first message, for example, it may include: the first transmission direction, the second QCL relationship, the first indication message or One of the indexes of the second downlink positioning reference signal resource.
  • the positioning server may also determine whether the PRS resources in the second resource set are configured with the first QCL relationship with the PRS resources in the first resource set.
  • the positioning server may according to The first transmission direction configures the second QCL relationship between the PRS resources in the second resource set and the first PRS resource, and determines the second QCL relationship as the content of the first message; or, the positioning server directly determines the first transmission direction as The content of the first message. It should be noted that after the positioning server configures the second QCL relationship for the PRS resources in the second resource set, the direction in which the base station transmits the PRS resources in the second resource set to the terminal based on the second QCL relationship is the first transmission direction.
  • the positioning server may The result and the first QCL relationship determine the second PRS resource corresponding to the first PRS resource from the second resource set, and determine the index of the second PRS resource as the content of the first message.
  • the positioning server determines that the PRS resources in the second resource set are periodically transmitted, and the PRS resources in the second resource set are not configured with the first QCL relationship with the PRS resources in the first resource set, the positioning server determines the first indication message is the content of the first message, and is used to instruct the base station to adjust the transmission direction of the PRS resources in the second resource set to the first transmission direction.
  • Step 304b The positioning server sends the first measurement result to the base station, and the base station determines the first transmission direction of the PRS resource in the second resource set according to the first measurement result;
  • the process of determining the first transmission direction by the base station is the same as the process of determining the first transmission direction of the PRS resources in the second resource set by the positioning server in step 304a, which will not be repeated here.
  • Step 305 The base station transmits the PRS resources in the second resource set to the terminal based on the first transmission direction;
  • the first transmission direction is determined by the positioning server and sent to the base station through a first message.
  • the base station determines that the content of the first message is the first transmission direction, transmit the PRS resource in the second resource set to the terminal; when the base station determines that the content of the first message is the index of the second PRS resource, transmit the second PRS resource corresponding to the index to the terminal; when determining the content of the first message, the base station When the content is the second QCL relationship, transmit the PRS resources in the second resource set to the terminal according to the second QCL relationship; when the base station determines that the content of the first message is the first indication message, transmit the PRS resources in the second resource set The transmission direction is adjusted so that the first transmission direction is transmitted to the terminal.
  • the way the base station transmits the PRS resources in the second resource set to the terminal based on the first transmission direction may be based on the first message and the second The transmission cycle of the resource set transmits the PRS resources in the second resource set to the terminal; when the PRS resources in the second resource set are aperiodically transmitted, after the time period after the terminal reports the first measurement result reaches the preset time period, or, after positioning
  • the server or the base station sends the feedback information based on the first measurement result reported by the terminal to the terminal for a preset duration
  • the first transmission direction is determined by the base station according to the first measurement result, and at this time, the base station transmits the PRS resources in the second resource set to the terminal according to the first transmission direction; The terminal transmits the second PRS resource; or, the transmission direction of the PRS resource in the second resource set is adjusted to the first transmission direction and transmitted to the terminal.
  • the manner in which the base station transmits the PRS resources in the second resource set to the terminal based on the first transmission direction may be based on the first transmission direction and the second transmission direction.
  • the transmission cycle of the second resource set transmits the PRS resources in the second resource set to the terminal; when the PRS resources in the second resource set are aperiodic transmission, after the period after the terminal reports the first measurement result reaches a preset period, or, After the positioning server or the base station sends the feedback information based on the first measurement result reported by the terminal to the terminal for a preset duration, transmit the PRS resources in the second resource set to the terminal according to the first transmission direction; where the preset duration is The system is predefined, or the duration included in the signaling sent by the positioning server.
  • Step 306 The terminal measures the PRS resources in the second resource set, obtains a second measurement result, and reports the second measurement result to the positioning server;
  • the terminal after measuring the PRS resources in the second resource set, the terminal needs to report the corresponding parameters to the positioning server.
  • the terminal may measure the PRS resource according to the type of the measurement result configured by the positioning server, and obtain a corresponding type of measurement result.
  • the terminal may measure the PRS resources in the second resource set according to the configuration of the positioning server, obtain the RSTD or RSRP value corresponding to each PRS resource, and then report the corresponding parameters (ie, the second measurement result) to the positioning server.
  • the second measurement result includes: the RSTD or RSRP value corresponding to each PRS resource in the second resource set received by the terminal, and the index of the PRS resource.
  • the terminal may also determine the third PRS resource according to the second measurement result, and report the index of the third resource and the corresponding RSRP or RSTD to the positioning server.
  • the third PRS resource may be the first M PRS resources with the strongest RSRP or the smallest RSTD in the second resource set.
  • Step 307 The positioning server locates the position of the terminal according to the second measurement result and the angle information reported by the base station.
  • the positioning server may also send a first request to the base station to obtain the PRS angle information corresponding to the PRS resource; specifically, the first request may be an indication by the positioning server
  • the base station reports the PRS angle information corresponding to all the PRS resources configured by it, or the positioning server instructs the base station to report the PRS angle information corresponding to all the PRS resources in the second resource set, or it can also be the PRS angle information corresponding to the second PRS resource , or after receiving the second measurement result reported by the terminal, the positioning server may instruct the base station that the second measurement result reported by the base station contains The PRS angle information corresponding to the PRS resource index. After the base station reports the angle information, the positioning server calculates the position of the terminal by using a position calculation algorithm on the PRS angle information corresponding to the same resource index and the second measurement result, so as to realize the position positioning of the terminal.
  • the terminal may also determine the first PRS resource according to the first measurement result, and report the index of the first PRS resource to the positioning server, and the positioning server sends the first PRS
  • the transmission direction of the resource is determined as the first transmission direction, and the first transmission direction is sent to the base station, or the second QCL relationship is configured for the PRS resources in the second resource set and the second QCL relationship is sent to the base station, or the first PRS resource
  • the index of is sent to the base station, so that the base station determines the first transmission direction of the PRS resource in the second resource set according to the index.
  • the method for the terminal to determine the first PRS resource is the same as the aforementioned method for the positioning server to determine the first PRS resource, and will not be repeated here.
  • the first type periodic transmission of PRS resources in the first resource set, aperiodic transmission of PRS resources in the second resource set, and no QCL relationship between the PRS resources in the first resource set and the PRS resources in the second resource set;
  • the second type periodic transmission of PRS resources in the first resource set, aperiodic transmission of PRS resources in the second resource set, and a QCL relationship between the PRS resources in the first resource set and the PRS resources in the second resource set;
  • the third type periodic transmission of PRS resources in the first resource set, periodic transmission of PRS resources in the second resource set, and no QCL relationship between the PRS resources in the first resource set and the PRS resources in the second resource set.
  • the way the base station transmits the PRS resources in the first resource set and the second resource set to the terminal also includes the following fourth situation:
  • the periodic transmission of PRS resources in the first resource set and the periodic transmission of PRS resources in the second resource set configure the QCL relationship between the PRS resources in the first resource set and the PRS resources in the second resource set.
  • FIG. 4 is an interaction flow diagram of another positioning method provided in the embodiment of the present application, and the process steps are as follows:
  • Step 401 The positioning server configures the first resource set and the second resource set for the terminal;
  • the first resource set and the second resource set include multiple PRS resources, and each PRS resource in the first resource set can correspond to a direction after being shaped, and different PRS resources correspond to different directions.
  • the direction corresponding to the resource may be described by angle information, and the angle information may include at least one of a horizontal dimension angle and a vertical dimension angle.
  • the first resource set and the second resource set configured by the positioning server for the terminal are sent to the positioning server after being configured by the base station.
  • Step 402 the base station transmits the PRS resources in the first resource set and the second resource set to the terminal;
  • the base station transmits the PRS resources in the first resource set and the second resource set to the terminal according to the PRS angle information (or called the transmission direction) corresponding to each PRS resource.
  • Step 403 The terminal measures the PRS resources in the first resource set to obtain a first measurement result
  • the terminal measures only the PRS resources in the first resource set according to the related information of the first resource set and the second resource set configured by the positioning server, and obtains the first measurement result. It should be noted that the terminal may report the first measurement result to the positioning server after obtaining the first measurement result, or may report the first measurement result and the second measurement result to the positioning server at the same time after the terminal obtains the second measurement result. In the embodiment of the application, the time for the terminal to report the first measurement result and the second measurement result is not limited.
  • the first measurement result includes the RSRP of the PRS resource in the first resource set and the index of the PRS resource in the first resource set.
  • Step 404 The terminal measures the PRS resources in the second resource set according to the first measurement result, and obtains the second measurement result;
  • the terminal determines the first PRS resource according to the first measurement result.
  • the first PRS resource is determined by the positioning server according to the RSRP in the first measurement result.
  • the first PRS resource is a PRS resource with the highest RSRP in the first resource set.
  • the terminal selects a second PRS resource that has a QCL relationship with the first PRS resource from the PRS resources in the second resource set according to the first QCL relationship, and measures the second PRS resource , to obtain the second measurement result.
  • the second measurement result includes: the RSTD or RSRP value corresponding to the second PRS resource received by the terminal, and the index of the PRS resource.
  • Step 405 The terminal reports the first measurement result and the second measurement result to the positioning server;
  • the terminal reports the index of the PRS resource in the first resource set and the corresponding RSRP value, and the RSTD or RSRP value corresponding to the second PRS resource in the second resource set, and the index of the PRS resource to the positioning server , preferably, the terminal only reports the index of the first PRS resource in the first resource set and the corresponding RSRP value to the positioning server.
  • Step 406 The positioning server sends to the base station a first request for acquiring PRS angle information corresponding to the PRS resource;
  • the first request may be that the positioning server instructs the base station to report the PRS angle information corresponding to all the PRS resources configured by it, or that the positioning server instructs the base station to report the PRS angle information corresponding to all the PRS resources in the second resource set, or It may be that the positioning server instructs the base station to report the PRS angle information corresponding to the second PRS resource index, or it may also be that the positioning server, after receiving the second measurement result reported by the terminal, according to the PRS resource information contained in the second measurement result reported by the terminal (for example, PRS resource index), indicating the PRS angle information corresponding to the PRS resource index included in the second measurement result reported by the base station.
  • the PRS resource information contained in the second measurement result reported by the terminal for example, PRS resource index
  • Step 407 the base station reports the angle information of the PRS resource to the positioning server according to the first request;
  • Step 408 The positioning server locates the position of the terminal according to the first measurement result, the second measurement result, and the angle information reported by the base station.
  • the positioning server essentially locates the position of the terminal according to the second measurement result and angle information. Specifically, if what the base station reports in step 407 is the PRS angle information corresponding to all the PRS resources configured by it, or the PRS angle information corresponding to all the PRS resources in the second resource set, or the PRS angle information corresponding to the second PRS resource index, Then the positioning server selects the PRS angle information of the PRS resource corresponding to the PRS resource index in the second measurement result from all the PRS resources, or the PRS resources in the second resource set, or the second PRS resource, and selects the same resource index
  • the corresponding PRS angle information and the second measurement result use a position calculation algorithm to calculate the position of the terminal, so as to realize the position positioning of the terminal.
  • the terminal may also determine the third PRS resource according to the second measurement result, and report the index of the third resource and the corresponding RSRP or RSTD to the positioning server.
  • the third PRS resource may be a PRS resource with the strongest RSRP or the smallest RSTD among the second PRS resources.
  • Embodiment 1 The first resource set is transmitted periodically, the second resource set is transmitted aperiodically, the first resource set contains N PRS resources, and each PRS resource and SSB (Synchronization Signal/PBCH, synchronous broadcast block) are configured with QCL , the second resource set includes M PRS resources, and the PRS resources in the M PRS resources are not configured with the first QCL relationship.
  • the specific steps of the positioning method of the present application are as follows:
  • Step 1 The base station sends N PRS resources in the first resource set, the terminal measures the N PRS resources, obtains the first measurement result, and reports the first measurement result to the positioning server; the first measurement result includes N The index of the PRS resource and the corresponding RSRP result; or, the terminal may also determine the PRS resource with the largest RSRP in the first resource set according to the first measurement result, and report the index of the PRS resource with the largest RSRP to the positioning server;
  • Step 2 The positioning server determines the first transmission direction of the M PRS resources in the second resource set according to the first measurement result reported by the terminal or the index of the PRS resource with the largest RSRP (the first transmission direction may be the PRS resource corresponding to the largest RSRP transmission direction), and inform the base station of the first transmission direction, or may notify both the base station and the terminal; or, the positioning server configures the second QCL relationship for the M PRS resources in the second resource set according to the first transmission direction , and inform the base station of the QCL relationship, or both the base station and the terminal; or, the positioning server directly informs the base station of the first measurement result, and the base station determines M PRS resources in the second resource set according to the first measurement result The first transmission direction; wherein, the positioning server notifies the base station of the first transmission direction, the second QCL relationship or the first measurement result by sending a first message containing the foregoing content to the base station;
  • Step 3 According to the first transmission direction indicated by the positioning server, or the second QCL relationship configured by the positioning server, or the first transmission direction determined by the base station itself according to the first measurement result, after a preset period of time (for example, T time), the base station reports to the terminal transmit the M PRS resources in the second resource set; the terminal may also be notified of the first transmission direction or the second QCL relationship;
  • a preset period of time for example, T time
  • Step 4 The terminal receives M PRS resources in the second resource set; at this time, the terminal can default that the base station will use the direction corresponding to the PRS resource with the strongest RSRP in the first resource set for transmission, that is, the terminal transmits in the direction corresponding to the PRS resource with the strongest RSRP in the first resource set.
  • the direction corresponding to the PRS resources in the second resource set receives the M PRS resources in the second resource set; or, the terminal receives the M PRS resources in the second resource set according to the first transmission direction or the second QCL relationship notified by the base station or the positioning server. resources to receive;
  • Step 5 The terminal measures the M PRS resources in the second resource set, obtains a second measurement result, and reports the second measurement result to the positioning server; the second measurement result includes the indexes of the M PRS resources and the corresponding RSTD result or RSRP result; or, the terminal may also determine the L PRS resources with the largest RSRP or the smallest RSTD among the M PRS resources in the second resource set according to the second measurement result, and use the L PRS resources with the largest RSRP or the smallest RSTD The index and the corresponding RSRP or RSTD are reported to the positioning server, and L is less than M;
  • Step 6 The positioning server sends to the base station a first request for acquiring PRS angle information corresponding to the PRS resources in the second resource set;
  • Step 7 The base station reports the PRS angle information corresponding to the PRS resource in the second resource set to the positioning server;
  • Step 8 The positioning server locates the position of the terminal based on the second measurement result and the angle information reported by the base station.
  • Embodiment 2 The first resource set is transmitted periodically, and the second resource set is transmitted aperiodically.
  • the first resource set contains N PRS resources, each PRS resource and SSB are configured with QCL, and the second resource set contains N ⁇ M PRS resources.
  • every M PRS resource in the second resource set is configured with a first QCL relationship with one PRS resource in the first resource set.
  • Step 1 the base station sends N PRS resources in the first resource set, and the terminal measures the N PRS resources to obtain a first measurement result;
  • Step 2 The terminal reports the first measurement result to the positioning server (for example, after the RSRPs are sorted in descending order, the indexes of the top K PRS resources and the corresponding RSRP values are reported to the positioning server, K is an integer greater than or equal to 1);
  • Step 3 The positioning server determines the first PRS resource (for example, the PRS resource with the largest RSRP) according to the first measurement result, and the positioning server selects M PRS resources corresponding to the first PRS resource from the second resource set according to the first QCL relationship (that is, select M PRS resources with the first PRS resource QCL), and notify the base station of the indexes of the M PRS resources, or both the base station and the terminal may be notified, or the positioning server directly sends the first PRS resource Inform the index of the index to the base station, or inform the base station and the terminal, so that the base station selects M PRS resources corresponding to the first PRS resource from the second resource set according to the first QCL relationship (that is, selects the M PRS resources corresponding to the first PRS resource M PRS resources of the QCL), wherein the positioning server notifies the base station of the indexes of the M PRS resources or the index of the first PRS resource by sending the first message containing the aforementioned content to the base station;
  • Step 4 The base station transmits the M PRS resources corresponding to the second PRS resource in the second resource set to the terminal, and may also inform the terminal of the indexes of the M PRS resources or the index of the first PRS resource;
  • Step 5 The terminal receives M PRS resources corresponding to the second PRS resource; at this time, the terminal can default that the base station will use the direction corresponding to the PRS resource with the strongest RSRP in the first resource set for transmission, that is, the terminal transmits in the direction corresponding to the PRS resource with the strongest RSRP in the first resource set.
  • the direction corresponding to the strongest PRS resource receives the M PRS resources in the second resource set; or, the terminal receives the indexes of the M PRS resources or the index of the first PRS resource notified by the base station or the positioning server, based on the index
  • the corresponding QCL relationship receives M PRS resources in the second resource set;
  • Step 6 The terminal measures M PRS resources, obtains a second measurement result, and reports the second measurement result to the positioning server; the second measurement result includes indexes of M PRS resources and corresponding RSTD results or RSRP results; Alternatively, the terminal may also determine the L PRS resources with the largest RSRP or the smallest RSTD among the M PRS resources in the second resource set according to the second measurement result, and compare the indexes of the L PRS resources with the largest RSRP or the smallest RSTD with the corresponding RSRP or RSTD is reported to the positioning server, L is less than M;
  • Step 7 The positioning server sends to the base station a first request for acquiring PRS angle information corresponding to the PRS resources in the second resource set;
  • Step 8 The base station reports the PRS angle information corresponding to the PRS resource in the second resource set to the positioning server;
  • Step 9 The positioning server locates the position of the terminal based on the second measurement result and the angle information reported by the base station.
  • Embodiment 3 The first resource set is periodically transmitted, and the second resource set is periodically transmitted.
  • the first resource set contains N PRS resources, each PRS resource and SSB are configured with QCL, and the second resource set contains M PRS resources.
  • the PRS resources among the M PRS resources are not configured with the first QCL relationship.
  • the specific steps of the positioning method of the present application are as follows:
  • Step 1 The base station sends N PRS resources in the first resource set and M PRS resources in the second resource set, the terminal measures the N PRS resources, obtains the first measurement result, and reports the first measurement result to the positioning The server; the first measurement result includes indexes of N PRS resources and corresponding RSRP results, or indexes of K PRS resources ranked first by RSRP and corresponding RSRP results;
  • Step 2 The positioning server determines the first transmission direction of the M PRS resources in the second resource set according to the first measurement result reported by the terminal (the first transmission direction may be the transmission direction corresponding to the PRS resource with the largest RSRP in the first resource set) , and inform the base station of the first transmission direction, or both the base station and the terminal; or, the positioning server directly informs the base station of the first measurement result, and the base station determines M PRSs in the second resource set according to the first measurement result
  • the first transmission direction of the resource may also inform the terminal of the first transmission direction, wherein the positioning server may notify the base station of the first transmission direction or the first measurement result by sending a first message containing the aforementioned content to the base station;
  • Step 3 the base station adjusts the transmission direction of the M PRS resources in the second resource set to the first transmission direction and transmits it to the terminal;
  • Step 4 The terminal receives M PRS resources in the second resource set; at this time, the terminal can default that the base station will use the direction corresponding to the PRS resource with the strongest RSRP in the first resource set for transmission; or the terminal receives the first PRS resource notified by the base station or the positioning server.
  • Step 5 The terminal measures the M PRS resources in the second resource set, obtains a second measurement result, and reports the second measurement result to the positioning server; the second measurement result includes the indexes of the M PRS resources and the corresponding RSTD result or RSRP result; or, the terminal may also determine the L PRS resources with the largest RSRP or the smallest RSTD among the M PRS resources in the second resource set according to the second measurement result, and use the L PRS resources with the largest RSRP or the smallest RSTD The index and the corresponding RSRP or RSTD are reported to the positioning server, and L is less than M;
  • Step 6 The positioning server sends to the base station a first request for obtaining the PRS angle information corresponding to the PRS resource in the second resource set;
  • Step 7 The base station reports the PRS angle information corresponding to the PRS resource in the second resource set to the positioning server;
  • Step 8 The positioning server locates the position of the terminal based on the second measurement result and the angle information reported by the base station.
  • Embodiment 4 The first resource set is periodically transmitted, the second resource set is periodically transmitted, the first resource set contains N PRS resources, each PRS resource and SSB are configured with QCL, and the second resource set contains N ⁇ M PRS resources, every M PRS resource in the second resource set is configured with a first QCL relationship with one PRS resource in the first resource set.
  • the specific steps of the positioning method of the present application are as follows:
  • Step 1 the base station sends N PRS resources in the first resource set and N ⁇ M PRS resources in the second resource set, and the terminal measures the N PRS resources in the first resource set to obtain a first measurement result;
  • Step 2 The terminal determines the first PRS resource (for example, the PRS resource with the largest RSRP in the first resource set) according to the first measurement result, and determines that it has the first QCL relationship with the first PRS resource from the second resource set according to the first QCL relationship M PRS resources;
  • the first PRS resource for example, the PRS resource with the largest RSRP in the first resource set
  • Step 3 The terminal measures the M PRS resources, obtains the second measurement result, and reports the second measurement result and the first measurement result to the positioning server; wherein, the first measurement result may only include the index of the first PRS resource and the corresponding RSRP, the second measurement result may include indexes of M PRS resources and corresponding RSTD results or RSRP results; or, the terminal may also determine the maximum or maximum RSRP among the M PRS resources in the second resource set according to the second measurement result L PRS resources with the smallest RSTD, and report the indexes of the L PRS resources with the largest RSRP or the smallest RSTD and the corresponding RSRP or RSTD to the positioning server, where L is less than M;
  • Step 4 The positioning server sends to the base station a first request for acquiring PRS angle information corresponding to the second PRS resource;
  • Step 5 the base station reports the PRS angle information corresponding to the second PRS resource to the positioning server;
  • Step 6 The positioning server locates the position of the terminal based on the second measurement result and the angle information reported by the base station.
  • an embodiment of the present application provides a positioning device, which is applied to a positioning server, and the positioning device can realize the functions corresponding to the positioning method of the aforementioned positioning server.
  • the positioning device may be a hardware structure, a software module, or a hardware structure plus a software module.
  • the positioning device may be realized by a chip system, and the chip system may be composed of chips, or may include chips and other discrete devices. Referring to FIG. 5 , the positioning device includes a processing module 501 and a communication module 502 . in:
  • the processing module 501 is configured to configure a first resource set and a second resource set for the terminal; the first resource set and the second resource set include a plurality of downlink positioning reference signal resources;
  • the communication module 502 is configured to receive a first measurement result reported by the terminal; wherein the first measurement result is a result obtained by the terminal measuring the downlink positioning reference signal resources in the first resource set transmitted by the base station;
  • the processing module 501 is further configured to determine a first transmission direction of downlink positioning reference signal resources in the second resource set according to the first measurement result; or, the communication module is further configured to send the base station sending the first measurement result, where the first measurement result is used by the base station to determine the first transmission direction;
  • the communication module 502 is further configured to receive a second measurement result reported by the terminal, and the processing module 501 is configured to locate the position of the terminal according to the second measurement result; wherein, the second measurement result is a result obtained by the terminal measuring the received downlink positioning reference signal resources in the second resource set transmitted by the base station according to the first transmission direction.
  • the first measurement result includes the reference signal power of the downlink positioning reference signal resource in the first resource set and the index of the downlink positioning reference signal resource
  • the second measurement result includes the second The downlink positioning reference signal resource information and the index of the downlink positioning reference signal resource in the resource set
  • the downlink positioning reference signal resource information includes: downlink positioning reference signal time difference or downlink positioning reference signal power.
  • processing module 501 is specifically used for:
  • the first downlink positioning reference signal resource is a downlink positioning reference signal resource determined according to the reference signal power in the first measurement result
  • the communication module 502 is also used for:
  • the positioning reference signal resources, and the first message is used to notify the terminal that the base station transmits the downlink positioning reference signal resources in the second resource set in a first transmission direction.
  • the first message includes:
  • the second quasi-co-location QCL relationship is the configuration of the positioning server for the downlink positioning reference signal resource in the second resource set according to the first transmission direction and the first downlink the QCL relationship of the positioning reference signal resource; or,
  • a first indication message where the first indication message is used to instruct the base station to adjust the transmission direction of the downlink positioning reference signal resources in the second resource set to the first transmission direction; or,
  • the index of the second downlink positioning reference signal resource is determined by the positioning server to transmit from the second resource set according to the first measurement result and the first QCL relationship to the The downlink positioning reference signal resources of the terminal, the first QCL relationship is the QCL relationship between the downlink positioning reference signal resources in the first resource set and the downlink positioning reference signal resources in the second resource set, and the second The transmission direction of the downlink positioning reference signal resource is the same as the first transmission direction.
  • processing module 501 is specifically used for:
  • an embodiment of the present application provides a positioning device, the positioning device is applied to a base station, and the positioning device can implement the functions corresponding to the aforementioned base station positioning method.
  • the positioning device may be a hardware structure, a software module, or a hardware structure plus a software module.
  • the positioning device may be realized by a chip system, and the chip system may be composed of chips, or may include chips and other discrete devices. Referring to FIG. 6 , the positioning device includes a communication module 601 and a processing module 602 . in:
  • the communication module 601 is configured to transmit the downlink positioning reference signal resources in the first resource set to the terminal, or transmit the downlink positioning reference signal resources in the first resource set and the second resource set to the terminal, the first resource set and the second resource set
  • the resource set includes multiple downlink positioning reference signal resources
  • the communication module 601 is configured to transmit the downlink positioning reference signal resources in the second resource set to the terminal according to the first transmission direction determined by the positioning server, the downlink positioning reference signal resources are used by the terminal to receive The downlink positioning reference signal resource is measured to obtain a second measurement result, which is used by the positioning server to locate the position of the terminal based on the second measurement result reported by the terminal.
  • the communication module 601 is specifically used for:
  • the positioning server receiving a first message sent by the positioning server; wherein the first message is used to instruct the base station to transmit the downlink positioning reference signal resources in the second resource set based on the first transmission direction, and the first message uses Informing the terminal that the direction in which the base station transmits the downlink positioning reference signal resources in the second resource set is a first transmission direction.
  • the first message includes one of the first transmission direction, the second downlink positioning reference signal resource index, the second QCL relationship, or the first indication message
  • the communication module 601 is specifically configured to:
  • the content of the first message is the first transmission direction
  • the first transmission direction is the positioning determined by the server according to the first measurement result reported by the terminal, where the first measurement result is a result obtained by the terminal measuring the downlink positioning reference signal in the first resource set;
  • the second downlink positioning reference signal resource determines, for the positioning server, a downlink positioning reference signal resource to be transmitted to the terminal from a second resource set according to the first measurement result reported by the terminal and the first QCL relationship, where the first QCL relationship is the first resource a QCL relationship between the concentrated downlink positioning reference signal resources and the downlink positioning reference signal resources in the second resource set, where the transmission direction of the second downlink positioning reference signal resources is the same as the first transmission direction;
  • the content of the first message is the second QCL relationship
  • the second QCL relationship is the second QCL relationship
  • the content of the first message is the first indication message, adjusting the transmission direction of the downlink positioning reference signal resources in the second resource set to the first transmission direction and transmitting to the terminal.
  • the first measurement result includes the reference signal power of the downlink positioning reference signal resource in the first resource set and the index of the downlink positioning reference signal resource
  • the second measurement result includes the second The downlink positioning reference signal resource information and the index of the downlink positioning reference signal resource in the resource set
  • the downlink positioning reference signal resource information includes: downlink positioning reference signal time difference or downlink positioning reference signal power.
  • the communication module 601 is specifically used for:
  • the positioning server or the base station After the positioning server or the base station sends the feedback information based on the first measurement result reported by the terminal to the terminal for a preset period, transmit the second set of resources to the terminal according to the first message
  • the downlink positioning reference signal resources wherein, the preset duration is predefined by the system, or the duration included in the signaling sent by the positioning server.
  • the communication module 601 is also used for:
  • an embodiment of the present application provides a positioning device, the positioning device is applied to a base station, and the positioning device can implement the functions corresponding to the aforementioned base station positioning method.
  • the positioning device may be a hardware structure, a software module, or a hardware structure plus a software module.
  • the positioning device may be realized by a chip system, and the chip system may be composed of chips, or may include chips and other discrete devices. Please refer to FIG. 7 , the positioning device includes a communication module 701 and a processing module 702 . in:
  • the communication module 701 is configured to transmit the downlink positioning reference signal resource in the first resource set to the terminal, or transmit the downlink positioning reference signal in the first resource set and the second resource set to the terminal, the first resource set and the second resource set
  • the resource set includes multiple downlink positioning reference signal resources
  • the communication module 701 is further configured to receive a first measurement result sent by the positioning server; wherein the first measurement result is a result obtained by the terminal measuring the downlink positioning reference signal in the first resource set;
  • a processing module 702 configured to determine a first transmission direction of downlink positioning reference signal resources in the second resource set according to the first measurement result
  • the processing module 702 is further configured to transmit the downlink positioning reference signal resource in the second resource set to the terminal according to the first transmission direction, and the downlink positioning reference signal resource is used by the terminal for the received
  • the downlink positioning reference signal resource is measured to obtain a second measurement result, which is used by the positioning server to locate the position of the terminal based on the second measurement result reported by the terminal.
  • the first measurement result includes the reference signal power of the downlink positioning reference signal resource in the first resource set and the index of the downlink positioning reference signal resource
  • the second measurement result includes the second The downlink positioning reference signal resource information and the index of the downlink positioning reference signal resource in the resource set
  • the downlink positioning reference signal resource information includes: downlink positioning reference signal time difference or downlink positioning reference signal power.
  • processing module 702 is specifically configured to:
  • the first downlink positioning reference signal resource is a downlink positioning reference signal resource determined according to reference signal power in the first measurement result
  • the communication module 701 is specifically used for:
  • the second downlink positioning reference signal resource is the downlink determined from the second resource set and transmitted to the terminal according to the first measurement result and the first QCL relationship positioning reference signal resources
  • the first QCL relationship is the QCL relationship between the downlink positioning reference signal resources in the first resource set and the downlink positioning reference signal resources in the second resource set
  • the second downlink positioning reference signal resource The transmission direction of the signal resource is the same as the first transmission direction; or,
  • the communication module 701 is specifically used for:
  • the positioning server or the base station After the positioning server or the base station sends the feedback information based on the first measurement result reported by the terminal to the terminal for a preset period, transmit the second resource to the terminal according to the first transmission direction Concentrated downlink positioning reference signal resources; wherein, the preset duration is predefined by the system, or the duration included in the signaling sent by the positioning server.
  • the communication module 701 is also used for:
  • an embodiment of the present application provides a locating device, which is applied to a terminal, and the locating device can realize the function corresponding to the aforementioned terminal locating method.
  • the positioning device may be a hardware structure, a software module, or a hardware structure plus a software module.
  • the positioning device may be realized by a chip system, and the chip system may be composed of chips, or may include chips and other discrete devices. Please refer to FIG. 8 , the positioning device includes a communication module 801 and a processing module 802 . in:
  • a communication module 801 configured to receive a first resource set and a second resource set transmitted by a base station, where the first resource set and the second resource set include a plurality of downlink positioning reference signal resources;
  • a processing module 802 configured to measure the downlink positioning reference signal resources in the first resource set to obtain a first measurement result
  • the processing module 801 is further configured to measure the downlink positioning reference signal resources in the second resource set according to the first measurement result to obtain a second measurement result;
  • the communication module 802 is further configured to report the first measurement result and the second measurement result to a positioning server, and the first measurement result and the second measurement result are used by the positioning server for the terminal location for positioning.
  • the first measurement result includes the reference signal power of the downlink positioning reference signal resource in the first resource set and the index of the downlink positioning reference signal resource
  • the second measurement result includes the downlink positioning reference signal resource in the second resource set Reference signal resource information and an index of downlink positioning reference signal resources
  • the downlink positioning reference signal resource information includes: downlink positioning reference signal time difference or downlink positioning reference signal power
  • processing module 802 is specifically used for:
  • the first downlink positioning reference signal resource is a downlink positioning reference signal resource with the largest reference signal power in the first resource set;
  • the embodiment of the present application also provides a positioning server.
  • the positioning server can implement the functions of the positioning server side in the foregoing embodiments.
  • FIG. 9 is a schematic structural diagram of a positioning server provided by an embodiment of the present application.
  • the positioning server may include: a processor 901 , a memory 902 , a communication interface 903 and a bus interface 904 .
  • the processor 901 is responsible for managing the bus architecture and general processing, and the memory 902 can store data used by the processor 901 when performing operations.
  • the communication interface 903 is used to receive and send data under the control of the processor 901 .
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by the processor 901 and various circuits of the memory represented by the memory 902 are linked together.
  • the bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, etc., which are well known in the art and therefore will not be further described herein.
  • the bus interface provides the interface.
  • the processor 901 is responsible for managing the bus architecture and general processing, and the memory 902 can store data used by the processor 901 when performing operations.
  • the processes disclosed in the embodiments of the present application may be applied to the processor 901 or implemented by the processor 901 .
  • each step of the signal processing flow may be completed by an integrated logic circuit of hardware in the processor 901 or instructions in the form of software.
  • the processor 901 may be a general-purpose processor, a digital signal processor, an application-specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component, and may realize or execute the The disclosed methods, steps and logical block diagrams.
  • a general purpose processor may be a microprocessor or any conventional processor or the like.
  • the steps of the methods disclosed in connection with the embodiments of the present application may be directly implemented by a hardware processor, or implemented by a combination of hardware and software modules in the processor.
  • the software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, register.
  • the storage medium is located in the memory 902, and the processor 901 reads the information in the memory 902, and completes the steps of the signal processing flow in combination with its hardware.
  • the processor 901 is configured to read computer instructions in the memory 902 and execute the functions implemented by the positioning server in the embodiment of the present application.
  • the embodiment of the present application also provides a base station.
  • the base station can implement the functions of the base station side in the foregoing embodiments.
  • FIG. 10 is a schematic structural diagram of a base station provided by an embodiment of the present application.
  • the base station may include: a processor 1001 , a memory 1002 , a communication interface 1003 and a bus interface 1004 .
  • the processor 1001 is responsible for managing the bus architecture and general processing, and the memory 1002 can store data used by the processor 1001 when performing operations.
  • the communication interface 1003 is used to receive and send data under the control of the processor 1001 .
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by the processor 1001 and various circuits of the memory represented by the memory 1002 are linked together.
  • the bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, etc., which are well known in the art and therefore will not be further described herein.
  • the bus interface provides the interface.
  • the processor 1001 is responsible for managing the bus architecture and general processing, and the memory 1002 can store data used by the processor 1001 when performing operations.
  • the processes disclosed in the embodiments of the present application may be applied to the processor 1001 or implemented by the processor 1001 .
  • each step of the signal processing flow can be completed by an integrated logic circuit of hardware in the processor 1001 or instructions in the form of software.
  • the processor 1001 may be a general-purpose processor, a digital signal processor, an application-specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component, and may realize or execute the The disclosed methods, steps and logical block diagrams.
  • a general purpose processor may be a microprocessor or any conventional processor or the like.
  • the steps of the methods disclosed in connection with the embodiments of the present application may be directly implemented by a hardware processor, or implemented by a combination of hardware and software modules in the processor.
  • the software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, register.
  • the storage medium is located in the memory 1002, and the processor 1001 reads the information in the memory 1002, and completes the steps of the signal processing flow in combination with its hardware.
  • the processor 1001 is configured to read computer instructions in the memory 1002 and execute functions implemented by the base station in the embodiment of the present application.
  • the above-mentioned base station provided by the embodiment of the present application can realize all the method steps implemented by the base station in the above-mentioned method embodiment, and can achieve the same technical effect, so the implementation of the method and method in this embodiment will not be repeated here.
  • the same parts and beneficial effects as the example are described in detail.
  • the embodiment of the present application also provides a terminal.
  • the terminal can implement the functions of the terminal side in the foregoing embodiments.
  • FIG. 11 is a schematic structural diagram of a terminal provided by an embodiment of the present application.
  • the terminal may include: a processor 1101 , a memory 1102 , a communication interface 1103 and a bus interface 1104 .
  • the processor 1101 is responsible for managing the bus architecture and general processing, and the memory 1102 can store data used by the processor 1101 when performing operations.
  • the communication interface 1103 is used to receive and send data under the control of the processor 1101 .
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by the processor 1101 and various circuits of the memory represented by the memory 1102 are linked together.
  • the bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, etc., which are well known in the art and therefore will not be further described herein.
  • the bus interface provides the interface.
  • the processor 1101 is responsible for managing the bus architecture and general processing, and the memory 1102 can store data used by the processor 1101 when performing operations.
  • the processes disclosed in the embodiments of the present application may be applied to the processor 1101 or implemented by the processor 1101 .
  • each step of the signal processing flow may be completed by an integrated logic circuit of hardware in the processor 1101 or instructions in the form of software.
  • the processor 1101 may be a general-purpose processor, a digital signal processor, an application-specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component, and may realize or execute the The disclosed methods, steps and logical block diagrams.
  • a general purpose processor may be a microprocessor or any conventional processor or the like.
  • the steps of the methods disclosed in connection with the embodiments of the present application may be directly implemented by a hardware processor, or implemented by a combination of hardware and software modules in the processor.
  • the software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, register.
  • the storage medium is located in the memory 1102, and the processor 1101 reads the information in the memory 1102, and completes the steps of the signal processing process in combination with its hardware.
  • the processor 1101 is configured to read computer instructions in the memory 1102 and execute the functions implemented by the terminal in the embodiment of the present application.
  • the embodiment of the present application also provides a computer-readable storage medium, the computer-readable storage medium stores computer-executable instructions, and the computer-executable instructions are used to make a computer execute the method executed by the location server in the foregoing embodiments.
  • the embodiment of the present application also provides a computer-readable storage medium, where the computer-readable storage medium stores computer-executable instructions, and the computer-executable instructions are used to cause a computer to execute the method executed by the base station in the foregoing embodiments.
  • the embodiment of the present application also provides a computer-readable storage medium, where computer-executable instructions are stored in the computer-readable storage medium, and the computer-executable instructions are used to make a computer execute the method executed by the terminal in the foregoing embodiments.
  • the embodiments of the present application may be provided as methods, systems, or computer program products. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to operate in a specific manner, such that the instructions stored in the computer-readable memory produce an article of manufacture comprising instruction means, the instructions
  • the device realizes the function specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.

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

Abstract

Un mode de réalisation de la présente demande concerne un procédé et un appareil de positionnement, un dispositif, et un support de stockage, qui sont utilisés pour améliorer la précision de positionnement tout en assurant une complexité de mesure. Le procédé consiste à : configurer un premier ensemble de ressources et un second ensemble de ressources pour un terminal ; recevoir un premier résultat de mesure rapporté par le terminal ; déterminer une première direction de transmission d'une ressource de signal de référence de positionnement de liaison descendante dans le second ensemble de ressources en fonction du premier résultat de mesure ou envoyer le premier résultat de mesure à la station de base, le premier résultat de mesure étant utilisé par la station de base pour déterminer la première direction de transmission ; et recevoir un second résultat de mesure rapporté par le terminal et positionner le terminal selon le second résultat de mesure.
PCT/CN2022/108721 2021-08-06 2022-07-28 Procédé et appareil de positionnement, dispositif, et support de stockage WO2023011321A1 (fr)

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CN202110904393.9 2021-08-06
CN202110904393.9A CN115942368A (zh) 2021-08-06 2021-08-06 一种定位方法、装置、设备及存储介质

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WO2020220803A1 (fr) * 2019-04-30 2020-11-05 大唐移动通信设备有限公司 Procédés et appareils de transmission de signal, de rapport de mesure de signal et de positionnement
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WO2021104025A1 (fr) * 2019-11-25 2021-06-03 大唐移动通信设备有限公司 Procédé et dispositif de transmission d'informations
CN111869156A (zh) * 2020-06-16 2020-10-30 北京小米移动软件有限公司 参考信号资源的配置方法、装置、通信设备及存储介质

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