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公开(公告)号：US20240334372A1
公开(公告)日：2024-10-03
申请号：US18571243
申请日：2022-06-09
Inventor： Zhenyu ZHANG , Bin REN , Rongyi FANG , Gang LI , Ren DA , Shaohui SUN
CPC classification number: H04W64/00 , G01S5/0218 , G01S5/14
Abstract: The present disclosure provides a terminal device locating method, an apparatus and a storage medium. The method includes: receiving, by a first network element, a reference signal; determining a time-domain channel response of the reference signal according to the reference signal; performing filtering processing on the time-domain channel response to obtain a line-of-sight time-domain signal; determining subcarrier phase information of a line-of-sight frequency-domain signal according to the line-of-sight time-domain signal, where the subcarrier phase information is used to determine location information of a terminal device. The present disclosure can improve the accuracy of locating the terminal device.
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22.发明公开公开(公告)号：US20240284398A1
公开(公告)日：2024-08-22
申请号：US18693495
申请日：2022-06-13
Inventor： Xiaotao REN , Ren DA , Bin REN
CPC classification number: H04W64/006 , H04J3/0661 , H04L5/0051
Abstract: Provided are information processing method and apparatus, location management function server and communications device. The information processing method includes: receiving timing related information transmitted by a communications device; and determining a position of UE based on the timing related information. The communications device is the UE or a network device; the network device comprises a base station or a TRP; and the timing related information comprises at least one of: first time information associated with a transmitting or receiving time instant of an uplink positioning reference signal; second time information associated with a transmitting or receiving time instant of a downlink positioning reference signal; third information associated with a TEG; timing adjustment information; fourth information associated with the timing adjustment information.
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公开(公告)号：US20240080797A1
公开(公告)日：2024-03-07
申请号：US18261828
申请日：2022-01-13
Inventor： Hui LI , Bin REN , Xiaotao REN , Ren DA
CPC classification number: H04W64/006 , H04L5/0035 , H04L5/0051 , H04W24/10
Abstract: A method and a device for positioning a terminal are provided. The method includes: measuring, by the terminal, a downlink positioning reference signal of a TRP, to obtain a measurement result for the downlink positioning reference signal, where at least one downlink positioning reference signal is measured by using at least two reception beams to obtain at least two measurement results; and transmitting, by the terminal, the measurement result for the downlink positioning reference signal of the TRP to a network.
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公开(公告)号：US20240073852A1
公开(公告)日：2024-02-29
申请号：US18261269
申请日：2022-01-17
Inventor： Bin REN , Ren DA , Rongyi FANG , Zhenyu ZHANG
CPC classification number: H04W64/00 , H04L5/0051
Abstract: The present application discloses a signal processing method and an apparatus, which are used to achieve signal compensation on the basis of a relative group delay, and to improve the precision of TOA estimation, thereby finally improving the positioning precision of UE. The signal processing method provided in the present application comprises: performing channel estimation processing on the basis of a received positioning reference signal (PRS), to obtain a frequency domain channel response; determining a difference value of a relative group delay of a sub-band on the basis of the frequency domain channel response; and compensating, on the basis of the difference value of the relative group delay of the sub-band, a locally received PRS or the frequency domain channel response; or reporting the difference value of the relative group delay of the sub-band to a transmitting end, and compensating a transmission signal by means of the transmitting end.
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公开(公告)号：US20220321294A1
公开(公告)日：2022-10-06
申请号：US17640212
申请日：2020-07-24
Inventor： Bin REN , Hui LI , Deshan MIAO , Xiaotato REN , Ren DA
IPC: H04L5/00
Abstract: The present application discloses a signal transmission method and device that can achieve transmission of sidelink positioning reference signals so as to implement sidelink-based positioning. Embodiments of the present application provide a signal sending method used at a sending end, the method comprising: determining sidelink positioning reference signal (SPRS) resource configuration information of a first terminal on a sidelink; and sending, according to the SPRS resource configuration information, a SPRS to a second terminal via the sidelink, such that the second terminal performs positioning measurement on the basis of the SPRS.
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Patent Agency Ranking
公开(公告)号：US20220166531A1
公开(公告)日：2022-05-26
申请号：US17440966
申请日：2020-02-20
Abstract: The present application discloses a clock offset determination method, a clock offset processing method, a device, and a system, used to enable a base station to monitor reference signals, PRS and C-PRS, of a neighboring base station, so as to achieve time synchronization and frequency synchronization between base stations, and to resolve the issue in which a time offset caused by a frequency offset between the base stations results in the degradation of system positioning performance, thereby improving the positioning performance of the system. The clock offset determination method provided in the present application comprises: measuring a carrier-phase positioning reference signal (C-PRS) used to position a carrier phase and transmitted by a transmitter end of a positioning reference signal, so as to obtain a phase measurement value; and determining, on the basis of the phase measurement value, a clock offset between a receiver end and the transmitter end of the positioning reference signal.
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公开(公告)号：US20220150866A1
公开(公告)日：2022-05-12
申请号：US17431176
申请日：2020-01-15
Inventor： Bin REN , Ren DA , Hui LI , Deshan MIAO , Xueyuan GAO
Abstract: A positioning method, a device, a system, a terminal, an LMF entity, and a medium, used to solve the problem of low positioning accuracy of UE-based OTDOA in the prior art. The method comprises: a terminal sending to a location management function (LMF) entity an auxiliary positioning data request message comprising first identification information of a beam reference signal detected by the terminal itself (S101); receiving from the LMF entity auxiliary positioning data of beam direction information of a beam reference signal comprising second identification information, wherein the second identification information is identification information of a beam reference signal sent by a neighboring base station and determined, according to the first identification information, by the LMF entity as being detectable by the terminal (S102); and determining an RSTD of each beam reference signal having the first identification information or the second identification information, and determining position information of the terminal according to the determined RSTD and a beam direction of each beam reference signal (S103).
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公开(公告)号：US20220082652A1
公开(公告)日：2022-03-17
申请号：US17422200
申请日：2019-12-16
Inventor： Ren DA , Bin REN , Deshan MIAO , Hui LI , Xueyuan GAO
Abstract: A positioning method and device used for solving the problems of the existing method for determining an integer ambiguity being relatively difficult and relatively time-consuming. During positioning, the method comprises: a receiving device determining a virtual phase measured value according to at least two received C-PRS signals (600); determining a TOA measured value according to a received PRS signal (601); determining a virtual integer ambiguity according to the TOA measured value and the virtual phase measured value (602); and finally, determining the position of the receiving device according to the virtual integer ambiguity (603). An integer ambiguity search space is reduced, and the integer ambiguity is determined faster, thus improving the efficiency of determining the position of the receiving device.
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公开(公告)号：US20240276437A1
公开(公告)日：2024-08-15
申请号：US18681091
申请日：2022-06-10
Inventor： Xiaotao REN , Bin REN , Ren DA
CPC classification number: H04W64/00 , H04J3/0661 , H04L5/0051 , H04W8/22
Abstract: Embodiments of the present disclosure provide a timing error related information transmission method and apparatus. The method comprises: transmitting to a network device related information between a sounding reference signal for positioning (SRS-Pos) resource or an SRS-Pos resource set and transmission timing error information. According to the timing error related information transmission method provided by the embodiments of the present disclosure, related information between an SRS-Pos resource or an SRS-Pos resource set between transmission timing error information is reported to a network device by means of UE, such that when the position of a terminal is calculated, the network device can select a different transmission timing error according to the related information and a different SRS-Pos; a transmission timing error can be estimated more accurately or the influence of the transmission timing error can be removed; the influence of the transmission timing error on the calculation accuracy of the position of the terminal is avoided; and the positioning accuracy of the network device when estimating the position of the UE is improved.
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公开(公告)号：US20240172173A1
公开(公告)日：2024-05-23
申请号：US18552846
申请日：2022-02-28
Inventor： Xiaotao REN , Bin REN , Ren DA
IPC: H04W64/00
CPC classification number: H04W64/00
Abstract: An information processing method, an apparatus, a terminal, and a network-side device are provided. The information processing method includes: receiving at least one measured value instance which is fed back by a terminal and/or a second network-side device according to information of a measurement time window; determining position information of the terminal according to the at least one measured value instance; where the information of the measurement time window includes terminal measurement time window information and/or second network-side device measurement time window information; the first network-side device is a positioning server or other network element capable of determining the position information of the terminal except the positioning server; the second network-side device is a base station or a TRP.
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