WO2022206688A1 - Procédé et appareil de positionnement - Google Patents

Procédé et appareil de positionnement Download PDF

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Publication number
WO2022206688A1
WO2022206688A1 PCT/CN2022/083424 CN2022083424W WO2022206688A1 WO 2022206688 A1 WO2022206688 A1 WO 2022206688A1 CN 2022083424 W CN2022083424 W CN 2022083424W WO 2022206688 A1 WO2022206688 A1 WO 2022206688A1
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WIPO (PCT)
Prior art keywords
access network
measurement report
positioning measurement
network device
uci
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PCT/CN2022/083424
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English (en)
Chinese (zh)
Inventor
黄甦
高鑫
夏金环
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华为技术有限公司
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Publication of WO2022206688A1 publication Critical patent/WO2022206688A1/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver

Definitions

  • the present application relates to the fields of wireless communication and the like, and in particular, to a positioning method and device.
  • the positioning capability of the fifth generation (5th generation, 5G) communication system meets the following requirements: for 80% of the terminal equipment, the level of The positioning error is less than or equal to 50 meters, the vertical positioning error is less than or equal to 5 meters, and the end-to-end delay is less than 30 seconds; for demanding commercial terminal equipment, for 80% of the terminal equipment, the horizontal positioning error is less than or equal to 3 meters (indoor) and 10 meters (outdoor), the vertical positioning error is less than or equal to 3 meters (indoor and outdoor), and the end-to-end delay is less than 1 second.
  • 3GPP 3rd generation partnership project
  • Embodiments of the present application provide a positioning method and apparatus, so as to reduce the time delay of positioning a terminal device.
  • a first aspect provides a positioning method.
  • a terminal device receives first indication information and second indication information from a serving access network device, where the first indication information is used to indicate: first reference signal configuration information;
  • the second indication information is used to indicate that uplink control information (uplink control information, UCI) is used to report a positioning measurement report;
  • the first reference signal configuration information is used to perform positioning measurement on the terminal device.
  • the terminal device sends UCI to the serving access network device, where the UCI includes the first positioning measurement report.
  • the first positioning measurement report is determined based on the first indication information.
  • the first indication information and the second indication information may be located in different messages, or may be located in one message, for example, referred to as the first message.
  • the terminal device receives the first message from the serving access network device, where the first message is used to indicate: the first reference signal configuration information and the use of uplink control information UCI to report the positioning measurement report; the first reference signal configuration information is used for positioning measurement of the terminal device.
  • the terminal device sends UCI to the serving access network device, where the UCI includes the first positioning measurement report.
  • the first positioning measurement report is determined based on the first reference signal configuration information.
  • the first positioning measurement report may be used to determine the location of the terminal device.
  • the first positioning measurement report of the terminal device is sent to the serving access network device in UCI (UCI is parsed at the physical layer), compared with the long term evolution (Long Term Evolution, LTE) system positioning protocol
  • the (LTE positioning protocol, LPP) high layer reports to the positioning server or reports to the serving access network device through the radio resource control (radio resource control, RRC) high layer
  • RRC radio resource control
  • the serving access network device can parse and process the first positioning measurement report at the physical layer. , it does not need to be transmitted to the upper layer of the physical layer, and the processing speed is faster, which can reduce the delay of locating terminal equipment.
  • UCI reporting (equivalent to physical layer reporting) has the advantages of flexible scheduling and predictable delay.
  • the terminal device may also receive third indication information sent from the serving access network device, where the third indication information is used to indicate one or more of the following: measurement type, whether Allows the terminal device to reselect the reference access network device, the number of first access network devices included in a positioning measurement report, whether to report the resource identifier corresponding to the first access network device, and each first access network device is allowed to report The number of measurement quantities, the arrangement order of the first access network devices in the positioning measurement report, and the priority of the positioning measurement report in the UCI.
  • the third indication information is used to indicate one or more of the following: measurement type, whether Allows the terminal device to reselect the reference access network device, the number of first access network devices included in a positioning measurement report, whether to report the resource identifier corresponding to the first access network device, and each first access network device is allowed to report The number of measurement quantities, the arrangement order of the first access network devices in the positioning measurement report, and the priority of the positioning measurement report in the UCI.
  • the above information may be referred to as parameter information in a reporting format, and the serving access network device can flexibly report the positioning information by configuring the parameter information in the reporting format on the terminal device. Further, by configuring the terminal equipment to allow the terminal equipment to reselect the reference access network equipment, the arrangement order of the first access network equipment in the positioning measurement report, and the priority of the positioning measurement report in the UCI, it is beneficial to use the limited resource bearer. Positioning information as efficiently as possible.
  • first access network device and the serving access network device may be the same or different.
  • the first access network device and the reference access network device may be the same or different.
  • the reference access network device and the serving access network device may be the same or different.
  • a serving access network device sends first indication information and second indication information to a terminal device, where the first indication information is used to indicate: first reference signal configuration information; The second indication information is used to indicate that the uplink control information UCI is used to report a positioning measurement report; the first reference signal configuration information is used to perform positioning measurement on the terminal device. Then, the serving access network device receives the UCI from the terminal device, where the UCI includes the first positioning measurement report. Optionally, the first positioning measurement report is determined based on the first indication information.
  • the first indication information and the second indication information may be located in different messages, or may be located in one message, for example, referred to as the first message.
  • the serving access network device sends a first message to the terminal device, where the first message is used to indicate: the first reference signal configuration information and the use of uplink control information UCI to report the positioning measurement report, and the first reference signal configuration information is used for positioning measurement of the terminal device.
  • the serving access network device receives the UCI from the terminal device, where the UCI includes the first positioning measurement report.
  • the first positioning measurement report is determined based on the first reference signal configuration information.
  • the first positioning measurement report may be used to determine the location of the terminal device.
  • the serving access network device may also send third indication information to the terminal device, where the third indication information is used to indicate one or more of the following: measurement type, whether to allow the terminal Device reselection refers to the access network device, the number of first access network devices included in a positioning measurement report, whether to report the resource identifier corresponding to the first access network device, and the measurements that each first access network device is allowed to report.
  • measurement type whether to allow the terminal Device reselection refers to the access network device
  • the number of first access network devices included in a positioning measurement report whether to report the resource identifier corresponding to the first access network device, and the measurements that each first access network device is allowed to report.
  • the second aspect has the same beneficial effects as the first aspect, and will not be repeated.
  • the first indication information (which may also be understood as the first message) includes a first index, where the first index is used to indicate the first reference signal configuration information, and the first index A reference signal configuration information comes from the positioning server.
  • the serving access network device informs the terminal device which reference signal configuration information to use to perform positioning measurement through the first index of the first reference signal configuration information.
  • the first indication information (which can also be understood as the first message) is also used to indicate: the identifier of the reference access network device, and the identifier of the reference access network device is used for all
  • the terminal device determines one or more of the following: the receiving timing of the reference signal configured by the first reference signal configuration information; recommended by the serving access network device, and the terminal device reports the downlink reference signal time difference DL The reference access network device during RSTD; the first access network device recommended by the serving access network device and included in the first positioning measurement report by the terminal device (here "the first one” "Access network device” refers to the access network device ranked first in the first positioning measurement report, and the "first" in “the first access network device” is not used to distinguish the description of the access network device the goal of).
  • the reception timing of the reference signal may be used by the terminal device to determine the reception timing of the non-reference access network device (eg, the non-serving cell).
  • the reference access network equipment recommended by the serving access network equipment and when the terminal equipment reports the downlink reference signal time difference DL RSTD can be used to assist the terminal equipment to select the reference base station of the DL RSTD, for example, the network side determines that the reference base station has high timing accuracy Therefore, when the terminal device performs DL RSTD reporting based on the reference base station, the DL-downlink time difference of arrival (DL-TDOA) positioning accuracy can be improved.
  • DL-TDOA DL-downlink time difference of arrival
  • the serving access network device, and the first access network device included in the first positioning measurement report by the terminal device can make the terminal device omit the identifier of the reference access network device when reporting the positioning measurement report , which can reduce the reporting overhead.
  • the "first access network device” here refers to the access network device ranked first in the first positioning measurement report, and the “first” in “the first access network device” is not used to distinguish The purpose of the description of the access network equipment.
  • the third indication information is also located in the first message, it can be understood that the first message is also used to indicate one or more of the following: measurement type, whether to allow The terminal equipment reselection refers to the access network equipment, the number of the first access network equipment included in a positioning measurement report, whether to report the resource identifier corresponding to the first access network equipment, and each first access network equipment allowed to report.
  • measurement type whether to allow The terminal equipment reselection refers to the access network equipment
  • the number of the first access network equipment included in a positioning measurement report whether to report the resource identifier corresponding to the first access network equipment, and each first access network equipment allowed to report.
  • the above information may be referred to as parameter information in a reporting format, and the serving access network device can flexibly report the positioning information by configuring the parameter information in the reporting format on the terminal device. Further, by configuring the terminal equipment to allow the terminal equipment to reselect the reference access network equipment, the arrangement order of the first access network equipment in the positioning measurement report, and the priority of the positioning measurement report in the UCI, it is beneficial to use the limited resource bearer. Positioning information as efficiently as possible.
  • the measurement type indicated in the third indication information includes the downlink reference signal time difference DL RSTD and the terminal equipment receiving-sending time difference UE Rx-
  • the first positioning measurement report includes: the UE Rx-Tx time difference corresponding to the reference access network device, and the first access network device except the reference access network device.
  • DL RSTD corresponding to other access network equipment.
  • the UE Rx-Tx time difference corresponding to other access network devices other than the reference access network device is not included, nor the DL RSTD corresponding to the reference access network device, which can reduce bit overhead.
  • the first positioning measurement report contains The identifiers of the access network devices include: identifiers of other access network devices in the first access network device except the reference access network device.
  • the terminal equipment reports the positioning measurement report
  • the identification of the reference access network equipment is omitted, which can reduce the reporting overhead.
  • the measurement type indicated in the third indication information includes downlink reference signal time difference DL RSTD and/or terminal equipment receiving-sending time difference UE
  • the range corresponding to the reported value in the first positioning measurement report is related to the subcarrier spacing of the reference signal, or is related to the type of cyclic prefix (cyclic prefix, CP) of the reference signal.
  • the quantified range of reported values can be reduced and the reporting overhead can be reduced.
  • the range corresponding to the reported value in the first positioning measurement report is: [-X, +X]; or, [OX, O+X]; where X is the length of the CP , the O is a fixed offset value, or a timing advance offset N TA-Offset , or a value configured by the serving access network device.
  • Constraining the range of reported values can reduce the quantitative range of reported values and reduce reporting overhead.
  • the terminal equipment receives-transmit time difference UE Rx-Tx time difference has a fixed offset due to the timing advance (timing advance, TA)
  • the fixed offset is introduced by O to reduce the quantization overhead.
  • the CP when the subcarrier spacing of the reference signal is different, the CP is: the CP corresponding to the maximum subcarrier spacing.
  • the minimum interval is used as the range corresponding to the reported value, the requirements for network synchronization are high, but the reporting overhead is small.
  • the first positioning measurement report when the first positioning measurement report includes a first part and a second part, the first part includes the identifier of the first access network device, and the second part includes the first access network Timing measurement information of the device; wherein, the timing measurement information includes the downlink reference signal time difference DL RSTD and/or the terminal equipment receiving-transmitting time difference UE Rx-Tx time difference.
  • the positioning measurement report is divided into the first part part1 and the second part part2, where part1 and part2 are independently encoded and decoded in UCI, the field length of part1 is fixed, and the field length of part2 may be affected by part1. If only Part 1 is included, and Part 1 includes a variable-length field, it needs to be filled with zeros to the longest.
  • the access network device uses the longest length to solve Part 1, which will result in extra overhead.
  • the access network device can solve Part 1 first, obtain the length of the Part 2 field, and then solve Part 2 to reduce overhead.
  • the serving access network device can determine the bit length corresponding to the timing measurement result according to the identifier of the first access network device in the first part.
  • the UCI further includes channel state information (channel state information, CSI), and the first positioning measurement report includes a first part and a second part:
  • the first part of the first positioning measurement report is located before the first part of the CSI, and the second part of the first positioning measurement report is located before the second part of the CSI; or,
  • the first part of the first positioning measurement report is located after the first part of the CSI, and the second part of the first positioning measurement report is located after the second part of the CSI; or,
  • the UCI based on the priority of the first positioning measurement report in the UCI, it is determined that the first part of the first positioning measurement report is located before or after the first part of the CSI, and the first The second part of the positioning measurement report precedes or follows the second part of the CSI.
  • the block transmission of the positioning measurement report and the multiplexing rule with CSI are determined, and the block of the positioning measurement report can reduce padding bits.
  • the first positioning measurement report includes the first part and does not include the second part:
  • the first positioning measurement report is located before the first part of the CSI; or,
  • the first positioning measurement report is located after the first part of the CSI; or,
  • the first positioning measurement report is located before or after the first part of the CSI.
  • the block transmission of the positioning measurement report and the multiplexing rule with CSI are determined, and the block of the positioning measurement report can reduce padding bits.
  • the UCI when the UCI further includes channel state information CSI, and the equivalent code rate of the UCI is higher than a set threshold:
  • the first positioning measurement report is based on the first indication information (may also be based on the third indication information) part of the determined positioning measurement report; or,
  • the CSI included in the UCI is a part of the CSI determined by the terminal device.
  • the network side cannot estimate the number of bits of part 2 (the field confirmation based on part 1 is actually required), and the UCI occupied resources allocated by the access network equipment may not be enough to carry all the bits of part 1+part 2.
  • the positioning measurement information with high priority can be reported to the network side.
  • the access network device can reallocate resources, and can make full use of air interface resources to transmit information.
  • a communication device in a third aspect, has the functions of implementing the first aspect and any possible implementation of the first aspect, or implementing the second aspect and any possible implementation of the second aspect.
  • Function can be implemented by hardware or by executing corresponding software by hardware.
  • the hardware or software includes one or more functional modules corresponding to the above-mentioned functions.
  • the apparatus when the apparatus has the functions of implementing the first aspect and any possible implementation of the first aspect, the apparatus includes:
  • a receiving module configured to receive first indication information and second indication information from the serving access network device, where the first indication information is used to indicate: the first reference signal configuration information, and the second indication information is used to indicate the use of
  • the uplink control information UCI reports a positioning measurement report; the first reference signal configuration information is used to perform positioning measurement on the terminal device;
  • a sending module configured to send UCI to the serving access network device, where the UCI includes a first positioning measurement report.
  • the first positioning measurement report is determined based on the first indication information.
  • the apparatus when the apparatus has the functions of implementing the second aspect and any possible implementation of the second aspect, the apparatus includes:
  • a sending module configured to send first indication information and second indication information to the terminal device, where the first indication information is used to indicate: the first reference signal configuration information, and the second indication information is used to indicate that the uplink control information UCI is used reporting a positioning measurement report; the first reference signal configuration information is used to perform positioning measurement on the terminal device;
  • a receiving module configured to receive UCI from the terminal device, where the UCI includes a first positioning measurement report.
  • the first positioning measurement report is determined based on the first indication information.
  • a computer program product includes: computer program code, when the computer program code is run on a computer, the computer program code enables the computer to execute the first aspect and any of the possible first aspects.
  • the present application provides a chip system, the chip system includes one or more processors (which may also be referred to as processing circuits), and the processors are electrically coupled with a memory (which may also be referred to as a storage medium). ;
  • the memory may be located in the chip system, or may not be located in the chip system, the memory is used to store computer program instructions;
  • the processor is used to execute part or all of the computer in the memory Program instructions, when some or all of the computer program instructions are executed, are used to implement the functions of the terminal device in the above-mentioned first aspect and any possible implementation method of the first aspect, or to implement the above-mentioned second aspect and the second aspect
  • the functionality of the serving access network device in any possible implementation.
  • the chip system may further include an input-output interface, and the input-output interface is used to output a signal processed by the processor, or receive a signal input to the processor.
  • the input/output interface may perform the sending action or the receiving action performed by the terminal device in the first aspect, and the input/output interface may perform the sending action or the receiving action performed by the serving access network device in the second aspect.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • a sixth aspect provides a computer-readable storage medium for storing a computer program, the computer program comprising instructions for implementing the functions in the first aspect and any possible implementation of the first aspect, or for implementing Instructions for functions in the second aspect and any possible implementation of the second aspect.
  • a computer-readable storage medium is used to store a computer program.
  • the computer program When the computer program is executed by a computer, it can cause the computer to execute the first aspect and any possible implementation method of the first aspect.
  • the terminal device executes method, or perform the method performed by the serving access network device in the second aspect and any possible implementation of the second aspect.
  • a communication system comprising a terminal device performing the method of the first aspect and any possible implementation of the first aspect, and performing any possible implementation of the second aspect and the second aspect.
  • a service access network device in the implemented method is provided, the communication system comprising a terminal device performing the method of the first aspect and any possible implementation of the first aspect, and performing any possible implementation of the second aspect and the second aspect.
  • a communication device comprising a processor; the processor is used to execute a computer program or instruction, and when the computer program or instruction is executed, it is used to implement the above-mentioned first aspect and the first
  • the function of the terminal device in any possible implementation method of the aspect, or the function of the serving access network device in the above-mentioned second aspect and any possible implementation method of the second aspect.
  • the computer program or instructions may be stored in the processor or in a memory coupled to the processor. The memory may or may not be located in the communication device.
  • the apparatus further includes: a communication interface (which can also be replaced by a transceiver), the communication interface is used to send a signal processed by the processor, or receive input to the processor signal of.
  • the communication interface may perform the sending action or the receiving action performed by the terminal device in any possible implementation of the first aspect and the first aspect, or perform the service access network device in any possible implementation of the second aspect and the second aspect. send action or receive action.
  • FIG. 1 is a schematic diagram of a positioning system provided in an embodiment of the present application.
  • FIG. 2 is a flowchart of a positioning method provided in an embodiment of the present application.
  • FIG. 3 is a structural diagram of a positioning device provided in an embodiment of the application.
  • FIG. 4 is a structural diagram of a positioning device provided in an embodiment of the application.
  • FIG. 5 is a structural diagram of a positioning device provided in an embodiment of the present application.
  • the technical solutions of the embodiments of the present application can be applied to various communication systems, such as satellite communication systems and traditional mobile communication systems.
  • the satellite communication system can be integrated with a traditional mobile communication system (ie, a terrestrial communication system).
  • Communication systems such as: wireless local area network (WLAN) communication system, long term evolution (LTE) system, LTE frequency division duplex (FDD) system, LTE time division duplex (time division duplex) , TDD), universal mobile telecommunication system (UMTS), worldwide interoperability for microwave access (WiMAX) communication system, fifth generation (5th generation, 5G) system or new radio (new radio) , NR), 6th generation (6G) systems, and future communication systems, etc.
  • WLAN wireless local area network
  • LTE long term evolution
  • FDD frequency division duplex
  • TDD time division duplex
  • UMTS universal mobile telecommunication system
  • WiMAX worldwide interoperability for microwave access
  • 5G fifth generation
  • 5G fifth generation
  • new radio new radio
  • 6G 6th
  • FIG. 1 a schematic diagram of a positioning system applicable to the present application is provided, including the following network elements or devices:
  • Terminal equipment also known as user equipment (UE), mobile station (MS), mobile terminal (MT), terminal, etc.
  • UE user equipment
  • MS mobile station
  • MT mobile terminal
  • the terminal device includes a handheld device with a wireless connection function, a vehicle-mounted device, a ship-borne device, and the like.
  • terminal devices can be: mobile phones (mobile phones), tablet computers, notebook computers, PDAs, mobile internet devices (MIDs), wearable devices, virtual reality (VR) devices, augmented reality (augmented reality (AR) equipment, wireless terminals (eg, sensors, etc.) in industrial control, wireless terminals in self-driving, wireless terminals in remote medical surgery, intelligent A wireless terminal in a smart grid, a wireless terminal in transportation safety, a wireless terminal in a smart city, or a wireless terminal in a smart home, or with a car-to-car ( Vehicle-to-Vehicle (V2V), vehicle to everything (V2X), or vehicle-to-vehicle communication (long term evolution vehicle) LTE-V-enabled wireless terminal, etc.
  • V2V Vehicle-to-Vehicle
  • V2X vehicle to everything
  • vehicle-to-vehicle communication long term evolution vehicle
  • the terminal may include a terminal (secure user plane location, SUPL) enabled terminal, SET that supports secure user plane location.
  • SUPL secure user plane location
  • eNB a device deployed in a radio access network that meets the 4G standard and provides a wireless communication function for a UE.
  • An eNB may include various forms of macro base stations, micro base stations (also called small cells), relay stations, access points, wearable devices, and in-vehicle devices.
  • the eNB may also be a transmission and reception point (TRP).
  • TRP transmission and reception point
  • the gNB a device deployed in a radio access network that meets the 5G standard and provides wireless communication functions for UEs.
  • the gNB may include various forms of macro base stations, micro base stations (also called small cells), relay stations, access points, wearable devices, and in-vehicle devices.
  • the gNB may also be a transmission and reception point (TRP), a transmission measurement function (TMF), and the gNB may include a central unit (CU) and a distributed unit (distributed unit) integrated on the gNB. DU).
  • TRP transmission and reception point
  • TMF transmission measurement function
  • CU central unit
  • DU distributed unit
  • the eNB and gNB in FIG. 1 can be replaced with access network equipment, and the access network equipment can be, for example, a device capable of providing random access functions for terminal equipment or a chip that can be provided in the equipment.
  • the equipment includes but is not limited to: evolved Node B (evolved Node B, eNB), 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), baseband unit (baseband unit, BBU), wireless fidelity (wireless fidelity, WIFI) system
  • the access point (AP), wireless relay node, wireless backhaul node, transmission point (transmission and reception point, TRP or transmission point, TP), etc. can also be 5G, such as NR, in the system gNB, or, transmission point (TRP or TP), one
  • the access and mobility management function (AMF) network element is the control plane network element provided by the operator's network and is responsible for the access control and mobility management of terminal equipment accessing the operator's network, such as including Mobility status management, assignment of user temporary identities, authentication and user functions.
  • the access management network element may still be an AMF network element, or may have other names, which are not limited in this application.
  • the location management function (LMF) network element is a device or component deployed in the core network to provide the terminal device with a location function.
  • the terminal device may perform signal measurement on one or more access network devices, or one or more access network devices may perform signal measurement on the terminal device, for example, perform timing measurement. These measurement information can be converted into the distance between the terminal equipment and different access network equipment.
  • the location server knows the location of each access network device, and the location server can determine the location of the terminal device according to these distances and in combination with other parameter information (eg, direction).
  • DL-TDOA downlink time difference of arrival
  • PRS positioning reference signal
  • DL RSTD downlink reference signal time difference
  • uplink time difference of arrival (UL-TDOA):
  • the 5G Rel-16 version adds the function of sounding reference signal (SRS) to allow each base station to measure the uplink relative arrival time (uplink relative time of arrival, UL-RTOA), and report the measurement results to the location server. That is, each cell measures the UL-RTOA on the SRS signal of the UE, and reports the measurement result to the LMF.
  • SRS sounding reference signal
  • DL-AoD Downlink angle of departure
  • the UE measures the downlink reference signal received power (down link reference signal received power, DL RSRP) of each beam/gNB according to the PRS, and then sends the measurement report to the location
  • the server determines the AoD according to the DL RSRP of each beam, and then estimates the UE position according to the AoD. That is, the UE measures the DL PRS-RSRP on the PRS signals of each cell, and reports the measurement results to the LMF.
  • uplink arrival angle of arrival (UL-AOA): the gNB measures the arrival angle according to the beam of the SRS signal sent by the UE, and sends the measurement report to the location server. That is, each cell measures AOA/vertical angle of arrival (zenith of arrival, ZOA) on the SRS signal of the UE, and reports the measurement result to the LMF.
  • UL-AOA uplink arrival angle of arrival
  • multi-cell round trip time multi-cell round trip time, Multi-cell RTT: gNB and UE perform transmission and reception (Rx-Tx) time difference measurement on the PRS signal of each cell, and report the measurement report from UE and gNB to the location server to determine the round-trip time for each cell and derive the UE location. That is, the UE measures the transmit-receive time difference (UE Rx-Tx time difference) of the terminal equipment for the PRS signal of each cell, and reports the measurement result to the LMF; each cell measures the SRS signal of the UE for the base station transmit-receive time difference (gNB Rx-Tx time difference) time difference), and report the measurement results to the LMF.
  • UE Rx-Tx time difference transmit-receive time difference
  • gNB Rx-Tx time difference base station transmit-receive time difference
  • the 5G Rel-16 version introduces a new positioning reference signal PRS, and the positioning technology (DL-TDOA, DL-AoD, Multi-RTT) based on PRS measurement can improve the positioning accuracy.
  • the positioning technology DL-TDOA, DL-AoD, Multi-RTT
  • PRS Physical Uplink System
  • DL-TDOA, DL-AoD, Multi-RTT the positioning technology based on PRS measurement
  • DL-TDOA, DL-AoD, Multi-RTT On the order of tens of ms (especially in industrial scenarios, the latency requirement is lower).
  • the positioning accuracy is not specifically limited in this application.
  • the present application proposes a technical solution for reporting a positioning measurement report based on UCI.
  • the UCI is carried on the physical uplink channel (such as the physical uplink control channel (PUCCH) or the physical uplink shared channel (PUSCH), and the access network device receives the positioning measurement report through the UCI, and then sends Given the positioning server.
  • the terminal equipment uses UCI to report, compared to reporting to the positioning server through the LPP high layer, or reporting to the serving access network device through the RRC high layer, the serving access network device can parse and process the positioning measurement report at the physical layer, without any further It is transmitted to the upper layer of the physical layer, and the processing speed is faster, which can reduce the delay of positioning terminal equipment.
  • the physical layer reporting has the advantages of flexible scheduling and predictable delay, and the predictability of the reporting delay can be as fine as the time slot ( slot) level.
  • a positioning measurement report may also be called positioning state information (positioning state information-PSI).
  • positioning state information-PSI positioning state information
  • An example is: a positioning measurement report is called a positioning state information PSI, and an example is: multiple positioning
  • the combination of measurement reports is called a positioning state information PSI.
  • An example is: a sub-part of a positioning measurement report is called a positioning state information PSI.
  • Uplink control information UCI includes, but is not limited to, bearer channel state information (CSI), HARQ-ACK/sounding reference (SR), PSI, PSI and CSI as a whole can be used as generalized CSI, following CSI and The principle of HARQ-ACK/SR multiplexing is multiplexed on PUCCH and PUSCH.
  • CSI bearer channel state information
  • SR HARQ-ACK/sounding reference
  • the physical layer provides data transmission services to the upper layers.
  • the upper layer of the network can be regarded as the radio link control RRC layer.
  • FIG. 2 a schematic diagram of a method for positioning is provided, including the following steps:
  • Step 21 The terminal device receives the first indication information and the second indication information from the serving access network device, and accordingly, the serving access network device sends the first indication information and the second indication information to the terminal device.
  • the first indication information is used to indicate: reference signal configuration information (for distinction, the reference signal configuration information indicated by the first indication information is referred to as the first reference signal configuration information); the second indication information is used to indicate that the uplink is used
  • the control information UCI reports a positioning measurement report; the first reference signal configuration information is used to perform positioning measurement on the terminal device.
  • the first indication information and the second indication information may be located in one message, for example, referred to as the first message; or may be located in different messages.
  • the serving access network device sends the first message to the terminal device, and correspondingly, the terminal device receives the first message from the serving access network device.
  • the first message is used to indicate: first reference signal configuration information and/or reporting a positioning measurement report using UCI.
  • the first message includes first indication information and/or second indication information.
  • the first message may also be referred to as reporting configuration information.
  • the first reference signal configuration information indicated by the serving access network device to the terminal device may be one or multiple.
  • the first reference signal configuration information is used to perform positioning measurement on the terminal device.
  • the first reference signal configuration provides configuration information of reference signals of one or more first access network devices used for positioning.
  • the first access network device may be, for example, a transmission reception point TRP.
  • the first access network device and the serving access network device may be the same or different.
  • the first access network device and the reference access network device may be the same or different.
  • the reference access network device and the serving access network device may be the same or different.
  • Reference signals include but are not limited to one or more of the following: (NR) downlink positioning reference signal DLPRS, NR channel state information reference signal (CSI-RS), (NR) synchronization signal/physical layer broadcast Channel block (synchronization signal/physical broadcast channel block, SSB), (NR) sounding reference signal SRS.
  • DLPRS downlink positioning reference signal
  • CSI-RS NR channel state information reference signal
  • NR synchronization signal/physical layer broadcast Channel block
  • SSB synchronization signal/physical broadcast channel block
  • SRS sounding reference signal
  • (NR)SRS is used to measure the UE Rx-Tx time difference between the terminal equipment's reception and transmission time difference.
  • the first message or the first indication information may indicate the first reference signal configuration information to the terminal device by using the following example.
  • the serving access network device may explicitly indicate the first reference signal configuration information, for example, the first message or the first indication information may include the first reference signal configuration information to implement configuration to the terminal device First reference signal configuration information.
  • the serving access network device may implicitly indicate the first reference signal configuration information, for example, the first message or the first indication information may include the first index of the first reference signal configuration information, and the The first index is used to implement the configuration of the first reference configuration information to the terminal device.
  • one first index indicates one or more first reference signal configuration information.
  • the positioning server may send one or more reference signal configuration information to the terminal device.
  • the terminal device may also receive one or more reference signal configuration information from the positioning server.
  • each reference signal configuration information includes an index, where the index is used to indicate one of the one or more reference signal configuration information.
  • the first index included in the first message or the first indication information is one or more indices included in the reference signal configuration information sent by the positioning server to the terminal device. It can also be understood that: the first reference signal configuration information indicated by the first index in the first message or the first indication information comes from the positioning server.
  • the positioning server may send the reference signal configuration information to the terminal device through the second access network device.
  • the second access network device and the serving access network device may be the same or different; the second access network device may be the same as the first access network device and the reference access network device mentioned below , can also be different.
  • the first message or the second indication information may use the following example to indicate to the terminal device that the UCI is used to report the positioning measurement report.
  • a field may be set in the first message or the second indication information, and the value of the field may be used to explicitly indicate whether to use UCI to report the positioning measurement report. For example, this field occupies 1 bit. When 1 bit is 0, it indicates that the UCI is used to report the positioning measurement report; when 1 bit is 1, it indicates that the UCI is not used to report the positioning measurement report.
  • the first message or the second indication information implicitly indicates that the UCI is used to report the positioning measurement report through a bit mapping manner of the physical layer.
  • the variant of the first message includes the following examples:
  • the first message includes first reference signal configuration information and/or an indication of reporting a positioning measurement report using UCI.
  • the first message includes a first index and/or an indication of reporting the positioning measurement report using UCI.
  • the first message or the first indication information (usually the first reference signal configuration information indicated by the first message or the first indication information) may be used to indicate the identity of the reference access network device .
  • the reference access network device is the same as the serving access network device, or may be different from the serving access network device, for example, the reference access network device is an access network device adjacent to the serving access network device. network equipment.
  • the first message or the first indication information indicates the identity of the reference access network device
  • the first message or the first indication information may include the identity of the reference access network device, or the first message or the first indication information may include Resource information, the resource belongs to the reference access network device, that is, by referring to the resource of the access network device, the identifier of the reference access network device is implicitly indicated.
  • the identity of the reference access network device is used to determine one or more of the following:
  • the reference access network device eg TRP
  • TRP can be used by the terminal device to determine the default DL RSTD to report the reference TRP, and can also be used to assist the terminal device to receive reference signals other than the reference TRP, such as a time search window, etc.
  • the access network equipment participating in the positioning of the terminal equipment usually includes the access network equipment of the serving cell and the access network equipment of the non-serving cell, and each access network equipment sends its own reference signal to locate the terminal equipment. If the terminal equipment does not measure the reference signal of the access network equipment of the non-serving cell in advance. In order to avoid the blind search of the terminal equipment, the network may send to the terminal equipment the difference between the receiving timing difference between the terminal equipment receiving the reference signal sent by the access network equipment in the non-serving cell and the receiving timing difference between the reference signal sent by the access network equipment in the serving cell and the receiving network equipment. .
  • the "reception timing difference” here will take into account the time difference between the access network equipment of the serving cell and the access network equipment of the non-serving cell sending the reference signal, and the approximate location of the terminal equipment (for example, the coverage of the access network equipment of the serving cell) Radius) to determine the approximate travel time difference. Since the terminal equipment knows the receiving timing of the reference signal sent by the access network equipment of the serving cell, the terminal equipment can quickly obtain the receiving timing of the reference signal sent by the access network equipment of the non-serving cell by using the difference of the receiving timing, thereby reducing the time of receiving the reference signal sent by the access network equipment of the non-serving cell. The complexity of the terminal equipment receiving the reference signal.
  • the access network device of the serving cell can be regarded as the reference access network device, and the receiving timing of the reference signal sent by the access network device of the serving cell is the reference receiving timing.
  • the reference access network device may also be an access network device of a non-serving cell.
  • the network needs to ensure that the terminal device can obtain the receiving timing of the reference signal sent by the reference access network device (the access network device of the non-serving cell).
  • the terminal device has reported the measurement information of the reference access network device. That is, the receiving timing of the reference signal can be used by the terminal device to determine the receiving time of the non-reference access network device (eg, the non-serving cell).
  • DL reference signal time difference is the DL relative timing difference between transmission point (TP) [18]j and reference TP i, defined as T SubframeRx j – T subframeRx i (DL reference signal
  • the time difference(DL RSTD) is the DL relative timing difference between the Transmission Point(TP)[18]j and the reference TP i, defined as T SubframeRx j–T SubframeRx i).
  • the reference access network device may be the reference TP i.
  • This information can be used to assist the terminal equipment to select the reference base station for DL RSTD.
  • the network side determines that the reference base station has high timing accuracy, so that the terminal equipment can improve DL-TDOA positioning when reporting DL RSTD based on the reference base station. precision.
  • the first access network device recommended by the serving access network device and included in the first positioning measurement report by the terminal device can also be understood as: the identifier of the reference access network device is used to determine the first access network device included in the first positioning measurement report by the terminal device, and the first access network device is Recommended by the serving access network device.
  • This information enables the terminal equipment to omit to refer to the identification of the access network equipment when reporting the positioning measurement report, which can reduce the reporting overhead.
  • the serving access network device may also send third indication information to the terminal device, and correspondingly, the terminal device receives the third indication information sent from the serving access network device.
  • the third indication information may also be used to indicate the parameter information of the reporting format (the format may also be regarded as the content of the reported positioning measurement report), so that the terminal device can determine the format of the reported positioning measurement report.
  • the third indication information may also be located in the first message.
  • the third indication information and the first indication information may be sent in one message or in different messages, and the third indication information and the second indication information may be sent in one message or in different messages.
  • the first message or the third indication information is used to indicate one or more of the following:
  • the measurement types include one or more of the following:
  • Downlink reference signal time difference DL RSTD Downlink reference signal received power DL RSRP, reference signal receiving beam index Rx beam index, terminal equipment receiving-transmitting time difference UE Rx-Tx time difference.
  • the DL RSTD can be, for example, DL PRS-RSTD
  • the DL RSRP can be, for example, DL PRS-RSRP, that is, the DL RSTD and DL RSRP measured when the reference signal is PRS.
  • the DL RSTD may also be measured according to other reference signals different from the PRS.
  • the receiving beam index can be used to group DL RSRPs, used to mark multiple DL RSRPs on the same receiving beam, and the relative relationship of the DL RSRPs under the same receiving beam can be used to determine the AoD.
  • the terminal device can select the reference access network device when reporting the positioning measurement report, that is, the terminal device can select an access network device different from the reference access network device indicated by the first message or the first indication information as the reference access network device. access equipment.
  • N is an integer greater than or equal to 1, for example, it may be 1, or 2 or more.
  • the first access network device is, for example, a TRP.
  • the first access network device may be the same as or different from the serving access network device, and may also be the same as or different from the reference access network device.
  • the terminal device can report N PRS IDs and the measurement quantities corresponding to the N PRS IDs.
  • the resource identifier may include a PRS resource index, and may also include an optional PRS resource set index.
  • the resource identifier may include a CSI-RS resource index, and may also include an optional CSI-RS resource set index.
  • the resource identification may include the SSB index.
  • the second number M of measurement quantities that each first access network device is allowed to report is allowed to report.
  • the first access network devices may be ranked according to the DL RSRP of the first access network devices, or the first access network devices may be ranked according to the TOA measurement quality of the first access network devices, and the like.
  • the terminal device sorts the reported first access network devices according to the DL RSRP from large to small.
  • the terminal device sorts the reported first access network devices according to the TOA measurement quality from high to low.
  • the reference TRP when the reference TRP is not allowed to be reselected, the reference TRP (corresponding to PRS-ID#1 in the following table) does not need to follow the ordering relationship; when the terminal device is allowed to reselect the reference TRP, the reference TRP (corresponding to the following table The PRS-ID#1) of , need to follow this ordering relationship.
  • the priority in the UCI of the positioning measurement report indicated by the first message or the third indication information may be high or low, or may be a specific priority, such as the first priority.
  • the terminal device may compare the first priority with the set priority threshold, and the first priority may be higher than, or equal to, or less than the set priority threshold.
  • the service access network device can flexibly report the positioning information by configuring the parameter information of the reporting format to the terminal device. Further, by configuring the terminal equipment to allow the terminal equipment to reselect the reference access network equipment, the arrangement order of the first access network equipment in the positioning measurement report, and the priority of the positioning measurement report in the UCI, it is beneficial to use the limited resource bearer. Positioning information as efficiently as possible.
  • UCI includes but is limited to one or more of bearer positioning measurement report (or PSI), CSI, HARQ-ACK, and SR, and the priority of the positioning measurement report in UCI can be used to determine the
  • the UCI includes positioning measurement reports and other information (e.g., CSI, or HARQ-ACK, or SR), and the equivalent code rate of the UCI is higher than or equal to the set code rate threshold (that is, the resources are insufficient to carry the positioning measurement reports and In the case of other information): a part of the positioning measurement report is discarded (it can also be understood as selecting a part of the positioning measurement report for reporting), or a part of other information is discarded (it can also be understood as selecting a part of the CSI for reporting).
  • the calculation method of the equivalent code rate can refer to the standards [TS 38.213 9.2.5.1], [TS 38.213 9.2.5.2], [TS 38.214 5.2.3], and will not be introduced in detail.
  • the UCI when the priority of the positioning measurement report indicated by the first message or the third indication information in the UCI is low, or lower than the set priority, or equal to the set priority, the UCI includes
  • the positioning measurement report is a part of the positioning measurement report determined based on the first indication information (and may also be based on the third indication information) (that is, the terminal device will be based on the first indication information (and may also be based on the third indication). information) to discard a part of the determined positioning measurement report, and carry the remaining positioning measurement report in the UCI).
  • the UCI when the priority of the positioning measurement report indicated by the first message or the third indication information in the UCI is high, or higher than the set priority, or equal to the set priority, the UCI includes:
  • the CSI is a part of the CSI determined by the terminal device (that is, the terminal device discards a part of the determined CSI and carries the remaining CSI in the UCI).
  • the manner in which the terminal equipment discards a part of the CSI can be referred to the description in the standard [TS 38.213] or [TS 38.214], and will not be described in detail.
  • the manner in which the terminal device discards a part of the positioning measurement report (that is, selects a part of the positioning measurement report) will be described later.
  • the flexible and configurable reporting parameters and the impact of the reporting parameters on the reporting format are determined, and the access network device can optimize the PUCCH/PUSCH through configuration to carry the PSI. Further, it is helpful to use limited resources to carry as effective positioning information as possible by referring to parameters such as whether to allow reselection, TRP, sorting criteria of TRP, priority of PSI and other parameters for reporting optimization.
  • Step 22 The terminal device sends the UCI to the serving access network device, and correspondingly, the serving access network device receives the UCI from the terminal device; wherein, the UCI includes the first positioning measurement report (for the convenience of To distinguish, the positioning measurement report reported by the terminal device is referred to as the first positioning measurement report).
  • the terminal device generates a first positioning measurement report according to the first indication information, and then sends it to the serving access network device in the UCI, where the first positioning measurement report can be used to determine the position of the terminal device.
  • the first positioning measurement report included in the UCI may be one or multiple.
  • a first access network device corresponds to a first positioning measurement report; for another example, a measurement quantity type corresponds to a first positioning measurement report; for another example, a measurement quantity type of a first access network device corresponds to a first positioning measurement report A location measurement report.
  • the first positioning measurement report is determined based on the first reference signal configuration information, or it is understood that the first positioning measurement report is determined based on the first indication information. Specifically, the first positioning measurement report is determined based on the positioning measurement result of the reference signal configured by the first reference signal configuration information indicated by the first indication information. Optionally, the first positioning measurement report is further determined based on the reporting format indicated by the first message or the third indication information and/or with reference to the access network device.
  • the terminal equipment When the terminal equipment reports the positioning measurement report through the UCI, it may be reported periodically or aperiodically.
  • the first positioning measurement report of the terminal device is sent to the serving access network device in UCI (UCI is parsed and processed at the physical layer), compared to reporting to the positioning server through the LPP upper layer of the LTE system positioning protocol or reporting to the serving access network through the RRC upper layer.
  • the network equipment and the serving access network equipment can parse and process the first positioning measurement report at the physical layer, and do not need to transmit it to the upper layer of the physical layer, and the processing speed is faster, thereby reducing the delay of positioning the terminal equipment.
  • UCI reporting (equivalent to physical layer reporting) has the advantages of flexible scheduling and predictable delay.
  • the first positioning measurement report will be introduced in conjunction with the different measurement quantity types introduced above.
  • the first positioning measurement report may include, but is not limited to, one or more items in Table 1.
  • PRS-ID#i corresponds to the identification of the first access network device (for example, TRP) (the following table is also applicable and will not be repeated)
  • PRS-ID#1 can correspond to the identifier of the reference access network device, and the terminal device does not need to report the DL RSTD for the reference access network device. That is, the first positioning measurement report includes the DL RSTD corresponding to other access network devices in the first access network device except the reference access network device, but does not include the DL RSTD corresponding to the reference access network device. Reduce bit overhead.
  • the first positioning measurement report may include, but is not limited to, one or more items in Table 2.
  • the terminal equipment reports three DL PRS-RSRPs for each TRP, which are one DL RSRP and two differential RSRPs respectively.
  • the first one is the largest DL RSRP among the multiple DL RSRPs (this is an absolute RSRP), and the other reported RSRPs are relative values, which are reported in the form of differential RSRPs.
  • the first positioning measurement report may include but is not limited to one or more items in Table 3 item content.
  • the terminal equipment reports 3 DL PRS-RSRPs (including one DL RSRP and two differential RSRPs) and the receive beam index Rx beam index for each TRP.
  • the first positioning measurement report may include but is not limited to one or more items in Table 4 .
  • UE Rx-Tx time difference#i is the UE Rx-Tx time difference of the TRP corresponding to PRS-ID#i.
  • PRS-ID#1 can represent the identifier of the reference TRP, and the terminal device reports the UE Rx-Tx time difference for each TRP.
  • the first positioning measurement report may include but is not limited to one or more items in Table 5 content.
  • PRS-ID#1 may represent the identification of the reference TRP.
  • the terminal device reports the DL PRS-RSRP for each TRP, and the terminal device does not need to report the DL RSTD of the reference TRP, that is, the first positioning measurement report includes the DL PRS-RSRP corresponding to each first access network device and the first access network device.
  • the DL RSTD corresponding to other access network devices in the device except the reference access network device does not include the DL RSTD corresponding to the reference access network device, which can reduce bit overhead.
  • the first positioning measurement report may include but is not limited to a item or items.
  • the terminal equipment reports UE Rx-Tx time difference and DL PRS-RSRP for each TRP.
  • the first positioning measurement report may include but is not limited to one item in Table 7 or multiple content. That is, the first positioning measurement report includes: the UE Rx-Tx time difference corresponding to the reference access network device and other access networks other than the reference access network device in the first access network device The DL RSTD corresponding to the device. It does not include the UE Rx-Tx time difference corresponding to other access network devices other than the reference access network device, nor does it include the DL RSTD corresponding to the reference access network device. This reduces bit overhead.
  • the first positioning measurement report includes but is not limited to a item or items. That is, the first positioning measurement report includes: the DL RSRP corresponding to each first access network device, the UE Rx-Tx time difference corresponding to the reference access network device, and the first access network device except the reference connection DL RSTD corresponding to other access network devices other than the network access device.
  • the UE Rx-Tx time difference corresponding to other access network devices other than the reference access network device is not included, nor the DL RSTD corresponding to the reference access network device, which can reduce bit overhead.
  • the first positioning measurement report includes but is not limited to one or more items in Table 9. That is, the terminal device reports the resource ID.
  • the resource identifier may include a PRS resource index, and may also include an optional PRS resource set index.
  • the resource identifier may include a CSI-RS resource index, and may also include an optional CSI-RS resource set index.
  • the resource identification may include the SSB index.
  • DL RSTD reporting please refer to the previous description and will not be repeated.
  • the terminal device selects measurement quantities corresponding to the M resources on each TRP to report, and the first positioning measurement report includes But not limited to one or more items in Table 10.
  • M 2
  • one of the measurement quantities is DL RSTD
  • the other measurement quantity is additional multipath delay Additional path delay.
  • the service access network equipment also configures the terminal equipment: report the first The resource identifiers corresponding to the access network equipment, namely PRS Resource ID for PRS-ID#i and Additional PRS Resource ID for PRS-ID#1, that is, the terminal equipment not only reports two measurement quantities, but also reports that these two measurement quantities are Based on which resource it was measured.
  • the reference TRP reported by the terminal device is the TRP configured in the reference signal configuration information, and PRS-ID#1 may No reporting
  • the terminal device reports the PRS ID of the reference TRP. That is, when the first message or the third indication information indicates that the terminal device is not allowed to reselect the reference access network device, the identifier of the access network device in the first positioning measurement report includes: the first Other access network devices in an access network device other than the reference access network device; excluding: the identifier of the reference access network device.
  • the first location measurement report of the reference access network device is not reported here, but the reference access network device identifier is not reported.
  • the terminal equipment reports the positioning measurement report, the identification of the reference access network equipment is omitted, which can reduce the reporting overhead.
  • the terminal device When the first message or the third indication information indicates that the number of first access network devices included in a positioning measurement report (the configured number of reported TRPs) is N, the terminal device reports N PRS IDs, and N PRS IDs The corresponding measurement quantity, as can be seen from the above table, N is 4.
  • the terminal device when reporting the measurement amount in the first positioning measurement report, may design a corresponding bit range, especially for the bit range of the timing measurement amount, for example, the timing measurement amount includes but is not limited to DL RSTD and/or UE Rx–Tx time difference.
  • the range corresponding to the reported value in the first positioning measurement report is related to the subcarrier spacing of the reference signal, or is related to the reference signal.
  • the cyclic prefix CP type of the signal is related. Cyclic prefix CP types include but are not limited to normal cyclic prefix (normal cyclic prefix, NCP), extended cyclic prefix (extended cyclic prefix, ECP). Generally, the larger the subcarrier spacing of the reference signal, the smaller the range corresponding to the reported value of the measurement quantity. Usually the range of ECP is larger than that of NCP.
  • the range corresponding to the reported value in the first positioning measurement report is: the interval corresponding to the CP length corresponding to the subcarrier interval of the reference signal, for example, the DL RSTD and/or the DL RSTD in the first positioning measurement report
  • the range corresponding to the reported value of the UE Rx-Tx time difference is: [-X, +X], or [OX, O+X]; where X is the length of the CP, the O is the fixed offset value, Or timing advance offset N TA-Offset , or a value configured by the serving access network device.
  • N TA Offset is 0, or 25600, or 39936, or 13792, and the unit is Tc, which is generally 0.5 nanoseconds.
  • the subcarrier spacing of the reference signals may or may not be the same.
  • the larger the subcarrier spacing is the smaller the CP length corresponding to the subcarrier spacing is, and the smaller the interval (eg [-CP, +CP], or [O-CP, O+CP]) corresponding to the CP length is.
  • the smaller the subcarrier spacing is the larger the CP length corresponding to the subcarrier spacing is, and the larger the interval (eg [-CP, +CP], or [O-CP, O+CP]) corresponding to the CP length is.
  • the range corresponding to the reported value of the DL RSTD in the first measurement report is: the largest interval or the smallest interval in the reporting interval corresponding to different subcarrier intervals interval.
  • the range corresponding to the reported value of the UE Rx-Tx time difference in the first measurement report may be: the reference corresponding to the UE Rx-Tx time difference The interval determined by the subcarrier interval of the signal; or the largest interval or the smallest interval of the reporting interval corresponding to different subcarrier intervals.
  • X in the range [-X, +X] or [O-X, O+X] corresponding to the reported value is the CP length corresponding to the minimum subcarrier spacing, or the CP length corresponding to the maximum subcarrier spacing.
  • the maximum interval is used as the range corresponding to the reported value, the requirements for network synchronization are low, but the reporting overhead is large.
  • the minimum interval is used as the range corresponding to the reported value, the requirements for network synchronization are high, but the reporting overhead is small.
  • the reported bit width (length) is also related to the reporting granularity.
  • the granularity multiplied by the length of the bit field is the upper and lower limits of the range. For example, one bit represents 5 nanoseconds, and 3 bits can represent 15 nanoseconds. For another example, if the granularity is 2 nanoseconds, if the measurement is 10 nanoseconds, it can be reported through 5 bits, or if the measurement is 11 nanoseconds, it can be reported through 5 bits or 6 bits.
  • Whether the subcarrier intervals of the reference signals mentioned above are the same, when determining whether the subcarrier intervals of the reference signals are the same, can be determined based on the configured measurement TRP set, or can be determined based on the TRP set reported by the terminal device. For example, 10 TRPs are configured for the terminal equipment, 6 are 30kHz SCS, and 4 are 60kHz SCS.
  • the reporting interval (maximum interval) corresponding to 30 kHz SCS or the reporting interval (minimum interval) corresponding to 60 kHz SCS should be used.
  • the terminal equipment determines whether the subcarrier intervals are the same. If the reported TRPs are all 30kHz SCS, the reporting interval corresponding to 30kHz SCS is used at this time; if the reported TRPs are all 60kHz SCS, the 60kHz SCS corresponding If the reported TRP includes 30kHz SCS and 60kHz SCS, the reporting interval (maximum interval) corresponding to 30kHz SCS or the reporting interval (minimum interval) corresponding to 60kHz SCS is used.
  • the measurement results exceed the range corresponding to the reported value:
  • the terminal device filters out the TRP measurement results that are out of range, that is, the terminal device only reports the TRP measurement amount within the range corresponding to the reported value.
  • This example includes: the case of (6) the arrangement order of the first access network devices in the positioning measurement report described above. During the ranking process, only the TRPs located in the range are considered and the measurements of these TRPs are ranked. That is to say, when the order of the first access network devices in the positioning measurement report is based on the TOA measurement quality, no matter how high the TOA quality of a TRP is, if the corresponding measurement quantity exceeds the range, it will not be used as a preferentially reported TRP.
  • the terminal device reports the TRP measurement amount within the range corresponding to the reported value and the TRP measurement amount that exceeds the range corresponding to the reported value, and the terminal device reports in the first positioning measurement report (using a part of bits ) indicates that the measurement result exceeds the range corresponding to the reported value.
  • the bit overhead of timing measurement is optimized to reduce the overhead of PSI.
  • the positioning measurement report can be divided into a first part and a second part.
  • This division method can be similar to the CSI divided into the first part (part1) and the second part (part2).
  • the positioning measurement report reported by the terminal equipment may include only part1, or may include pat1 and part2, and part1 and part2 are independently encoded and decoded in UCI.
  • the field length of part1 is fixed, and the field length of Part 2 may be affected by Part 1.
  • the reason why the positioning measurement report is divided into two parts is: if only Part 1 is included, and Part 1 contains a variable-length field, it needs to be filled with zeros to the longest.
  • the access network device uses the longest length to solve Part 1, and the There is extra overhead.
  • the access network device can solve Part 1 first, obtain the length of the Part 2 field, and then solve Part 2 to reduce overhead.
  • the first part of the first positioning measurement report includes but is not limited to the identifier of the first access network device
  • the second part of the first positioning measurement report includes but is not limited to the first access network device
  • the timing measurement information includes but is not limited to: downlink reference signal time difference DL RSTD and/or terminal equipment reception-transmission time difference UE Rx-Tx time difference.
  • Other measurements eg DL RSRP can be placed in the first part or in the second part.
  • the serving access network device can determine the bit length corresponding to the timing measurement result according to the identifier of the first access network device in the first part.
  • the UCI includes a first positioning measurement report and a channel state information CSI
  • the first positioning measurement report includes a first part and a second part
  • the first part of the first positioning measurement report is located before the first part of the CSI, and the second part of the first positioning measurement report is located before the second part of the CSI; or,
  • the first part of the first positioning measurement report is located after the first part of the CSI, and the second part of the first positioning measurement report is located after the second part of the CSI; or,
  • the first part of the first positioning measurement report is located before or after the first part of the CSI, and the first part of the first positioning measurement report is determined.
  • the second part is located before or after the second part of the CSI.
  • the first part of the positioning measurement report is before the first part of the CSI, and the second part of the positioning measurement report before the second part of the CSI; if the priority of the positioning measurement report is low (or lower than the set priority, or equal to the set priority), then the first part of the positioning measurement report is after the first part of the CSI, and The second part of the positioning measurement report follows the second part of the CSI.
  • the priorities of the first part and the second part of the positioning measurement report can also be configured separately. For example, if the priority of the first part of the positioning measurement report is high (or higher than the set priority, or equal to the set priority), the first part of the positioning measurement report is before the first part of the CSI, and the first part of the positioning measurement report The priority of the two parts is low (or lower than the set priority, or equal to the set priority), and the second part of the positioning measurement report is after the second part of the CSI.
  • the priority of the first part of the positioning measurement report is low (or lower than the set priority, or equal to the set priority), then the first part of the positioning measurement report is behind the first part of the CSI, and the positioning measurement report
  • the priority of the second part of the CSI is high (or higher than the set priority, or equal to the set priority), and the second part of the positioning measurement report is in front of the second part of the CSI.
  • the fact that the first positioning measurement report is located before or after the CSI in this application can be understood as: in the UCI, the bits used to represent the first positioning measurement report are located before or after the bits used to represent the CSI.
  • the first positioning measurement report may be a whole, regardless of the first part and the first part two parts; or the first positioning measurement includes the first part and does not include the second part:
  • the first positioning measurement report is located before the first part of the CSI; or,
  • the first positioning measurement report is located after the first part of the CSI; or,
  • the first positioning measurement report is located before or after the first part of the CSI.
  • the first positioning measurement report in the UCI when the priority of the first positioning measurement report in the UCI is high, or higher than or equal to a set priority threshold, the first positioning measurement report is located before the first part of the CSI. When the priority of the first positioning measurement report in the UCI is low, or lower than or equal to a set priority threshold, the first positioning measurement report is located after the first part of the CSI.
  • the first part of the CSI may be when the CSI is divided into the first part and the second part; or, the first part of the CSI may also be the overall CSI when the CSI is not divided into the first part and the second part.
  • the block transmission of the positioning measurement report and the multiplexing rule with CSI are determined, and the block of the positioning measurement report can reduce padding bits.
  • UCI includes but is limited to one or more of bearer positioning measurement report (or PSI), CSI, HARQ-ACK, and SR, and the positioning measurement report indicated by the first message or the third indication information is in UCI.
  • the priority in the UCI can be used to determine that the UCI includes positioning measurement reports and other information (eg, CSI, or HARQ-ACK, or SR), and the equivalent code rate of the UCI is higher than or equal to the set code
  • the rate threshold that is, the resources are not enough to carry the positioning measurement report and other information: discard a part of the positioning measurement report (which can also be understood as selecting a part of the positioning measurement report for reporting), or discarding a part of other information (which can also be understood as selecting a A part of CSI is reported).
  • the UCI includes the first positioning measurement report and the CSI, and the equivalent code rate of the UCI is higher than the set threshold:
  • the positioning measurement report included in the UCI is a part of the positioning measurement report determined based on the first message (that is, the terminal device discards a part of the positioning measurement report determined based on the first indication information (and may also be based on the third indication information), and The remaining positioning measurement reports are carried in the UCI); or,
  • the CSI included in the UCI is A part of the CSI determined by the terminal device (that is, the terminal device discards a part of the determined CSI, and carries the remaining CSI in the UCI).
  • the method of discarding a part of CSI (that is, selecting a part of CSI) by a terminal device can be found in the standard [TS 38.213] or [TS 38.214], which will not be described in detail.
  • the part1 in the positioning measurement report is in front of the part1 of the CSI, and the part2 in the positioning measurement report is in the part2 of the CSI. Front.
  • the UCI includes the positioning measurement report and the CSI
  • the UCI includes part1 and part2.
  • UCI part1 includes part1 and CSI part1 of the positioning measurement report;
  • UCI part2 includes part2 and CSI part2 of the positioning measurement report.
  • CSI part2 may also include multiple components, the components with low priority in CSI part2 are discarded first according to the existing mechanism, until the UCI equivalent code rate after discarding is lower than the threshold (the discarding process is equivalent to reducing the number of transmitted bits, while the allocation The physical layer resources for UCI remain unchanged, corresponding to the reduction of the equivalent code rate). If all CSI part2 is discarded and the UCI equivalent code rate is still greater than or equal to the set threshold, part2 of the positioning measurement report is discarded. Part 2 of the positioning measurement report can be retained or discarded as a whole, or the multiple reported measurement quantities that may be included in part 2 of the positioning measurement report can be prioritized in order, and the low-priority measurement quantities are discarded first until they are all discarded.
  • the UCI bit rate is lower than or equal to the set threshold. If all part2 of the positioning measurement report is discarded, and the UCI equivalent code rate is still greater than or equal to the set threshold, the CSI part1 is discarded (the discarding principle is the same as that of discarding CSI part2). If all the CSI part1 of the positioning measurement report is discarded, the UCI is equivalent to If the code rate is still greater than or equal to the set threshold, then start to discard part1 of the positioning measurement report (the discarding principle is the same as that of discarding part2 of the positioning measurement report).
  • the part1 in the positioning measurement report is after the part1 of the CSI, and the part2 in the positioning measurement report is in the part2 of the CSI behind.
  • the discarding sequence is part2 of the positioning measurement report, part2 of the CSI, part1 of the positioning measurement report, and part1 of the CSI.
  • bits are discarded in UCI from back to front until the equivalent code rate of UCI is less than or equal to the set threshold.
  • the network side cannot estimate the number of bits of part 2 (the field confirmation based on part 1 is actually required), and the UCI occupied resources allocated by the access network equipment may not be enough to carry all the bits of part 1+part 2.
  • the positioning measurement information with high priority can be reported to the network side.
  • the access network device can reallocate resources, and can make full use of air interface resources to transmit information.
  • the embodiments of the present application may divide the device into functional modules according to the foregoing method examples. For example, each function may be divided into each functional module, or two or more functions may be integrated into one module. These modules can be implemented either in the form of hardware or in the form of software function modules. It should be noted that the division of modules in the embodiments of the present application is illustrative, and is only a logical function division, and other division methods may be used in specific implementation.
  • FIG. 3 a schematic structural diagram of a positioning device 300 (the positioning device can also be regarded as a communication device) is provided.
  • the device 300 may be a terminal device or a device applied to the terminal device chip or functional unit.
  • the apparatus 300 has any function of the terminal device in the above method. For example, the apparatus 300 can execute each step performed by the terminal device in the method of FIG. 2 above.
  • the apparatus 300 may include: a receiving module 320a, a sending module 320b, a processing module 310, and optionally, a storage module 330.
  • the processing module 310 may be connected to the storage module 330, the receiving module 320a, and the sending module 320b, respectively, and the storage module 330 may also be connected to the receiving module 320a and the sending module 320b.
  • the receiving module 320a may perform the receiving actions performed by the terminal device in the foregoing method embodiments.
  • the sending module 320b may perform the sending action performed by the terminal device in the foregoing method embodiments.
  • the processing module 310 may perform other actions except the sending action and the receiving action among the actions performed by the terminal device in the foregoing method embodiments.
  • the receiving module 320a is configured to receive first indication information and second indication information from the serving access network, where the first indication information is used to indicate the first reference signal configuration information, so The second indication information is used to indicate that the uplink control information UCI is used to report the positioning measurement report.
  • the receiving module 320a is configured to receive a first message from a serving access network device, where the first message is used to indicate: first reference signal configuration information and uplink control information UCI reporting A positioning measurement report; the first reference signal configuration information is used to perform positioning measurement on the terminal device.
  • the sending module 320b is configured to send UCI to the serving access network device, where the UCI includes a first positioning measurement report.
  • the receiving module 320a is configured to receive the third indication information from the serving access network device.
  • the processing module 310 is configured to generate a first positioning measurement report, or generate a UCI including the first positioning measurement report.
  • the storage module 330 may store computer-executed instructions of the method executed by the terminal device, so that the processing module 310, the receiving module 320a and the sending module 320b can execute the method executed by the terminal device in the above example.
  • the above-mentioned receiving module 320a and transmitting module 320b can also be integrated together, which is defined as a transceiver module.
  • the sending action described above corresponds to an output action of the chip
  • the receiving action described above corresponds to an input action of the chip
  • FIG. 4 a schematic structural diagram of a positioning apparatus 400 (the positioning apparatus can also be regarded as a communication apparatus) is provided.
  • the apparatus 400 may be a service access network device or an application A chip or functional unit in a service access network device.
  • the apparatus 400 has any function of the serving access network device in the above method. For example, the apparatus 400 can execute each step performed by the serving access network device in the above method in FIG. 2 .
  • the apparatus 400 may include: a receiving module 420a, a sending module 420b, a processing module 410, and optionally, a storage module 430.
  • the processing module 410 may be connected to the storage module 430, the receiving module 420a, and the sending module 420b, respectively, and the storage module 430 may also be connected to the receiving module 420a and the sending module 420b.
  • the receiving module 420a may perform the receiving action performed by the serving access network device in the foregoing method embodiments.
  • the sending module 420b may perform the sending action performed by the serving access network device in the foregoing method embodiments.
  • the processing module 410 may perform other actions except the sending action and the receiving action among the actions performed by the serving access network device in the foregoing method embodiments.
  • the sending module 420b is configured to instruct to send first indication information and second indication information to the terminal device, where the first indication information is used to indicate first reference signal configuration information, and the first indication information is used to indicate the configuration information of the first reference signal.
  • the second indication information is used to indicate that the uplink control information UCI is used to report the positioning measurement report.
  • the sending module 420b is configured to send a first message to the terminal device, where the first message is used to indicate: the first reference signal configuration information and the reporting of the positioning measurement report by using the uplink control information UCI;
  • the first reference signal configuration information is used to perform positioning measurement on the terminal device.
  • the receiving module 420a is configured to receive UCI from the terminal device, where the UCI includes a first positioning measurement report.
  • the sending module 420b is configured to send the third indication information to the terminal device.
  • the processing module 410 is further configured to generate a first message or first indication information, or second indication information, or third indication information.
  • the storage module 430 may store computer-executed instructions for the method executed by the service access network device, so that the processing module 410, the receiving module 420a and the sending module 420b execute the execution of the service access network device in the above example. Methods.
  • the above-mentioned receiving module 420a and transmitting module 420b can also be integrated together, which is defined as a transceiver module.
  • the sending action described above corresponds to an output action of the chip
  • the receiving action described above corresponds to an input action of the chip
  • the storage module may include one or more memories, and the memories may be devices in one or more devices or circuits for storing programs or data.
  • the storage module can be a register, cache or RAM, etc., and the storage module can be integrated with the processing module.
  • the storage module can be a ROM or other type of static storage device that can store static information and instructions, and the storage module can be independent of the processing module.
  • the transceiver module may be an input or output interface, a pin or a circuit, or the like.
  • the device can be implemented by a general bus architecture.
  • the apparatus 500 may be a terminal device, or may be a chip or a functional unit applied in the terminal device. It should be understood that the apparatus has any function of the terminal device in the above method. For example, the apparatus 500 can execute each step performed by the terminal device in the above method in FIG. 2 .
  • the apparatus 500 may include: a processor 510 , and optionally, a transceiver 520 and a memory 530 .
  • the transceiver 520 may be used to receive program instructions and transmit them to the processor 510, or the transceiver 520 may be used for the apparatus 500 to communicate and interact with other communication devices, such as interactive control signaling and/or service data Wait.
  • the transceiver 520 may be a code and/or data read/write transceiver, or the transceiver 520 may be a signal transmission transceiver between the processor and the transceiver.
  • the processor 510 and the memory 530 are electrically coupled.
  • the memory 530 is used to store computer programs; the processor 510 can be used to call the computer programs or instructions stored in the memory 530 to execute the method executed by the terminal device in the above example, or to use the The transceiver 520 performs the method performed by the terminal device in the above example.
  • the processing module 310 in FIG. 3 can be implemented by the processor 510 .
  • the receiving module 320a and the transmitting module 320b in FIG. 3 can be implemented by the transceiver 520 .
  • the transceiver 520 is divided into a receiver and a transmitter, the receiver performs the function of the receiving module, and the transmitter performs the function of the transmitting module.
  • the storage module 330 in FIG. 3 can be implemented by the memory 530 .
  • the sending action described above corresponds to an output action of the chip
  • the receiving action described above corresponds to an input action of the chip
  • the apparatus applied to the serving access network device is similar in structure to the apparatus in FIG. 5 , and may also include a processor, and optionally, a transceiver and a memory.
  • the memory is used to store a computer program; the processor can be used to call the computer program or instruction stored in the memory to execute the method executed by the service access network device in the above example, or to use the The transceiver performs the method performed by the serving access network device in the above example.
  • the processing module 410 in FIG. 4 may be implemented by the processor.
  • the receiving module 420a and the transmitting module 420b in FIG. 4 can be implemented by the transceiver.
  • the transceiver is divided into a receiver and a transmitter, the receiver performs the function of the receiving module, and the transmitter performs the function of the transmitting module.
  • the storage module 430 in FIG. 4 may be implemented by the memory.
  • the positioning device is a chip applied in a service access network device
  • the sending action described above corresponds to an output action of the chip
  • the receiving action described above corresponds to an input action of the chip
  • the apparatus may be implemented by a general-purpose processor (a general-purpose processor may also be referred to as a chip or a chip system).
  • a general-purpose processor may also be referred to as a chip or a chip system.
  • the general-purpose processor that implements the apparatus applied to the terminal device includes: a processing circuit (the processing circuit may also be referred to as a processor) and an input and output interface that communicates with the internal connection and communication of the processing circuit.
  • a processing circuit the processing circuit may also be referred to as a processor
  • an input and output interface that communicates with the internal connection and communication of the processing circuit.
  • it further includes: a storage medium (the storage medium may also be referred to as a memory), where the storage medium is used to store instructions executed by the processing circuit to execute the method executed by the terminal device in the foregoing example.
  • the processing module 310 in FIG. 3 may be implemented by a processing circuit.
  • the receiving module 320a and the sending module 320b in FIG. 3 can be implemented through an input and output interface.
  • the input and output interface is divided into an input interface and an output interface, the input interface performs the function of the receiving module, and the output interface performs the function of the sending module.
  • the storage module 330 in FIG. 3 may be implemented by a storage medium.
  • the general-purpose processor (the general-purpose processor may also be referred to as a chip or a chip system) that implements the apparatus applied to the service access network device includes: a processing circuit (the processing circuit may also be referred to as a processor) and An input and output interface for internal connection and communication with the processing circuit.
  • a processing circuit the processing circuit may also be referred to as a processor
  • An input and output interface for internal connection and communication with the processing circuit.
  • it further includes: a storage medium (the storage medium may also be referred to as a memory), where the storage medium is used to store instructions executed by the processing circuit to execute the method executed by the service access network device in the foregoing example.
  • the processing module 410 in FIG. 4 may be implemented by a processing circuit.
  • the receiving module 420a and the sending module 420b in FIG. 4 can be implemented through an input and output interface.
  • the input and output interface is divided into an input interface and an output interface, the input interface performs the function of the receiving module, and the output interface performs the function of the sending module.
  • the storage module 430 in FIG. 4 may be implemented by a storage medium.
  • the apparatus of the embodiments of the present application can also be implemented by using the following: one or more FPGAs (Field Programmable Gate Arrays), PLDs (Programmable Logic Devices), controllers, state computer, gate logic, discrete hardware components, any other suitable circuit, or any combination of circuits capable of performing the various functions described throughout this application.
  • FPGAs Field Programmable Gate Arrays
  • PLDs Programmable Logic Devices
  • controllers state computer, gate logic, discrete hardware components, any other suitable circuit, or any combination of circuits capable of performing the various functions described throughout this application.
  • Embodiments of the present application further provide a computer-readable storage medium storing a computer program, and when the computer program is executed by a computer, the computer can be used to execute the above positioning method.
  • the computer program includes instructions for implementing the above positioning method.
  • Embodiments of the present application also provide a computer program product, including: computer program code, when the computer program code is run on a computer, the computer can execute the positioning method provided above.
  • the processor mentioned in the embodiments of the present application may be a central processing unit (central processing unit, CPU), a baseband processor, and the baseband processor and the CPU may be integrated or separated, and may also be a network processor (network processor). processor, NP) or a combination of CPU and NP.
  • the processor may further include hardware chips or other general purpose processors.
  • the above-mentioned hardware chip may be an application-specific integrated circuit (ASIC), a programmable logic device (PLD) or a combination thereof.
  • the above-mentioned PLD can be a complex programmable logic device (CPLD), a field-programmable gate array (FPGA), a general-purpose array logic (generic array logic, GAL) and other programmable logic devices. , discrete gate or transistor logic devices, discrete hardware components, etc., or any combination thereof.
  • a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the memory mentioned in the embodiments of the present application may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM, PROM), an erasable programmable read-only memory (Erasable PROM, EPROM), an electrically programmable read-only memory (Erasable PROM, EPROM). Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • Volatile memory may be Random Access Memory (RAM), which acts as an external cache.
  • RAM Static RAM
  • DRAM Dynamic RAM
  • SDRAM Synchronous DRAM
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • enhanced SDRAM ESDRAM
  • synchronous link dynamic random access memory Synchlink DRAM, SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the transceiver mentioned in the embodiments of the present application may include a separate transmitter and/or a separate receiver, or the transmitter and the receiver may be integrated.
  • the transceiver may operate under the direction of the corresponding processor.
  • the transmitter may correspond to the transmitter in the physical device
  • the receiver may correspond to the receiver in the physical device.
  • the disclosed system, apparatus and method may be implemented in other manners.
  • the apparatus embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the shown or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may also be electrical, mechanical or other forms of connection.
  • the units described as separate components may or may not be physically separated, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solutions of the embodiments of the present application.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • the above-mentioned integrated units may be implemented in the form of hardware, or may be implemented in the form of software functional units.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as an independent product, may be stored in a computer-readable storage medium.
  • the technical solutions of the present application are essentially or part of contributions to the prior art, or all or part of the technical solutions can be embodied in the form of software products, and the computer software products are stored in a storage medium , including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), magnetic disk or optical disk and other media that can store program codes .

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Abstract

La présente demande concerne le domaine technique des communications sans fil, et concerne un procédé et un appareil de positionnement, destinés à être utilisés pour réduire un retard temporel de positionnement d'un dispositif terminal. En premier lieu, le dispositif terminal reçoit en provenance d'un dispositif de réseau d'accès une indication d'informations de configuration de signal de référence et une indication d'utilisation d'informations de commande de liaison montante (UCI) pour rapporter un rapport de mesure de positionnement, les informations de configuration de signal de référence étant utilisées pour effectuer une mesure de positionnement sur le dispositif terminal. Ensuite, le dispositif terminal envoie les UCI au dispositif de réseau d'accès, les UCI comprenant un premier rapport de mesure de positionnement. Le premier rapport de mesure de positionnement du dispositif terminal est envoyé au dispositif de réseau d'accès dans les UCI (les UCI sont analysées dans une couche physique). Par comparaison avec le rapport à un serveur de positionnement au moyen d'une couche supérieure LPP ou du rapport à un dispositif de réseau d'accès de desserte au moyen d'une couche supérieure RRC, le dispositif de réseau d'accès peut analyser le premier rapport de mesure de positionnement dans la couche physique sans transmettre le premier rapport de mesure de positionnement à une couche supérieure de la couche physique, de sorte que la vitesse de traitement soit plus rapide, ce qui permet de réduire le retard temporel de positionnement du dispositif terminal.
PCT/CN2022/083424 2021-04-02 2022-03-28 Procédé et appareil de positionnement WO2022206688A1 (fr)

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WO2017026672A1 (fr) * 2015-08-09 2017-02-16 엘지전자 주식회사 Procédé de réception ou d'émission d'un signal de référence pour détermination de position dans un système de communications sans fil et dispositif à cet effet
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CN112262322A (zh) * 2018-06-08 2021-01-22 高通股份有限公司 使用信道状态信息(csi)报告框架以支持定位测量
CN112449370A (zh) * 2019-08-30 2021-03-05 华为技术有限公司 定位的方法和通信装置

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WO2017026672A1 (fr) * 2015-08-09 2017-02-16 엘지전자 주식회사 Procédé de réception ou d'émission d'un signal de référence pour détermination de position dans un système de communications sans fil et dispositif à cet effet
CN109644423A (zh) * 2016-08-12 2019-04-16 索尼公司 位置服务器、基础设施设备、通信装置和用于使用补充定位参考信号的方法
CN112262322A (zh) * 2018-06-08 2021-01-22 高通股份有限公司 使用信道状态信息(csi)报告框架以支持定位测量
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