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公开(公告)号:US12184573B2
公开(公告)日:2024-12-31
申请号:US17640212
申请日:2020-07-24
Inventor: Bin Ren , Hui Li , Deshan Miao , Xiaotao Ren , Ren Da
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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公开(公告)号:US12167363B2
公开(公告)日:2024-12-10
申请号:US17793923
申请日:2020-12-15
Inventor: Zhenyu Zhang , Bin Ren , Ren Da , Gang Li , Dafei Yu , Zhanqi Zheng , Shaohui Sun
Abstract: Disclosed in the embodiments of the present application are a method and a device for eliminating non-line of sight (NLOS) in time of arrival (TOA) measurement values, and a terminal. The method includes: modeling a probability density of the first TOA measurement values from each base station to a terminal into a Gaussian mixture model, and selecting the TOA measurement values modeled into the Gaussian mixture model; performing NLOS identification on the selected TOA measurement values to obtain an identification label; and the identification label is used to indicate whether the selected TOA measurement values correspond to NLOS; and correcting the selected TOA measurement values according to the identification label, to eliminate errors caused by NLOS in the selected TOA measurement values.
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公开(公告)号:US12155461B2
公开(公告)日:2024-11-26
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:US11988754B2
公开(公告)日:2024-05-21
申请号:US17773845
申请日:2020-11-03
Inventor: Bin Ren
CPC classification number: G01S19/256 , G01S19/252 , G01S19/31
Abstract: Disclosed are a clock offset determination method and apparatus. The clock offset determination method provided in the embodiment of the present application includes: determining, by measuring downlink positioning reference signals (PRS) from a reference base station and a non-reference base station, a first positioning measurement value; determining, on the basis of the first positioning measurement value, a first clock offset between the reference base station and the non-reference base station; and on the basis of the first clock offset, assisting a target terminal to obtain a second clock offset.
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5.
公开(公告)号:US11923891B2
公开(公告)日:2024-03-05
申请号:US17423910
申请日:2020-01-13
Inventor: Xiangli Lin , Zheng Zhao , Bin Ren , Yanping Xing
IPC: H04B1/707
CPC classification number: H04B1/707
Abstract: Disclosed are a non-orthogonal multiple access (NOMA) multi-layer transmission method and an apparatus therefor. The method includes: a terminal determines a spread spectrum sequence group for NOMA multi-layer transmission, with the terminal being configured for NOMA multi-layer transmission, and the spread spectrum sequence group includes N spread spectrum sequences, the N spread spectrum sequences correspond to N data layers, the N spread spectrum sequences are mutually orthogonal, N is the number of data layers of NOMA multi-layer transmission, and N is an integer greater than 1; and the terminal sends data, the data comprising the N data layers using the spread spectrum sequence group for spectrum spreading.
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公开(公告)号:US11917571B2
公开(公告)日:2024-02-27
申请号:US17284383
申请日:2019-09-30
Inventor: Ren Da , Fang-Chen Cheng , Hui Li , Haiyang Quan , Bin Ren , Xueyuan Gao , Qiubin Gao
CPC classification number: H04W56/006 , H04W16/28 , H04W24/10 , H04W56/005
Abstract: Disclosed in the present application are a locating method for an uplink time difference of arrival, and an apparatus thereof. The method comprises: a locating server transmits a UTDOA information request message to a serving base station of a target terminal; the locating server receives a UTDOA information response message sent by the serving base station, wherein the UTDOA information response message carries configuration information of a locating reference signal and beam information of a reference signal related the a target terminal; the locating server transmits a measurement information request message to a location measurement unit, wherein the measurement information request message carries auxiliary locating information, the auxiliary locating information comprises the beam information of the reference signal related to the target terminal, or comprises relative information between a transmitting beam of the locating reference signal determined according to the beam information of the reference signal related to the target terminal and a received beam used by the location measurement unit, so that the location measurement unit and the locating server can assist in locating by using the beam information.
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公开(公告)号:US11201715B2
公开(公告)日:2021-12-14
申请号:US17275660
申请日:2019-09-04
Inventor: Ren Da , Bin Ren , Haiyang Quan , Hui Li , Xueyuan Gao , Qiubin Gao
Abstract: The present application relates to the field of wireless communications, in particular, to a measurement method and device, used for solving the problem in the art that there is no specific solution for a terminal to perform OTDOA measurement in a NR system. In embodiments of the present application, a terminal determines a detected first beam reference signal, and sends a request message to an LMF entity, receive first positioning assistance data comprising second beam information of a second beam reference signal sent by the LMF entity, measure the second beam reference signal of an adjacent base station according to the first positioning assistance data. Therefore, it is ensured that the LMF entity can accurately provide the positioning assistance data to a UE according to first beam information of the first beam reference signal, the time and power consumption of the terminal for searching the second beam reference signal are reduced, and the system performance is further improved.
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公开(公告)号:US12276742B2
公开(公告)日:2025-04-15
申请号:US17767921
申请日:2020-11-09
Inventor: Deshan Miao , Bin Ren , Ren Da
Abstract: Disclosed are a method for positioning, a terminal, and a network-side device, which relate to the field of communications and are used to provide a means for positioning in a V2X scenario and simplify a positioning flow in the V2X scenario. In the embodiments of the present application, a first terminal determines position information of a second terminal relative to the first terminal according to received auxiliary positioning information. A means for positioning a peer device by the first terminal in the V2X scenario is provided. With this means, measuring the positions of the first terminal and the second terminal by relying on base stations is avoided, to simplify the flow of positioning the second terminal by the first terminal in the V2X scenario; and the applicability thereof is relatively high.
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公开(公告)号:US12095698B2
公开(公告)日:2024-09-17
申请号:US17623520
申请日:2020-06-30
Inventor: Bin Ren , Deshan Miao , Ren Da
CPC classification number: H04L5/0051 , H04L5/005 , H04L27/26025 , H04L27/2613
Abstract: The present application discloses a signal transmission method and a device, for achieving PRS transmission supporting different bandwidths and numerology. The embodiment of the present application provides a signal transmission method, the method includes: receiving and measuring a cell-level cell-specific first positioning reference signal PRS in a cell public measurement window, to obtain a first positioning measurement value, and applying to the network side for a terminal-level UE-specific second PRS resource in a non-cell public measurement window based on the first positioning measurement value; receiving and measuring the UE-specific second PRS in the non-cell public measurement window, to obtain a second positioning measurement value; determining and reporting a third positioning measurement value based on the first positioning measurement value and the second positioning measurement value.
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10.
公开(公告)号:US12048026B2
公开(公告)日:2024-07-23
申请号:US17430919
申请日:2020-02-10
Inventor: Bin Ren
IPC: H04W74/0833 , H04L5/00 , H04W56/00 , H04W72/0446 , H04W72/0453 , H04W72/1263 , H04W74/00 , H04W74/08
CPC classification number: H04W74/0841 , H04L5/0051 , H04W56/001 , H04W72/0446 , H04W72/0453 , H04W72/1263 , H04W74/004 , H04W74/0866
Abstract: An information transmission method, apparatus and device are provided. The method includes: sending an MsgA of a 2-step RA procedure to a network device according to a mapping relationship between a preamble parameter in the MsgA and a PUSCH parameter in the MsgA; wherein the preamble parameter includes a preamble index and a PRACH time-frequency resource, and the PUSCH parameter includes a PUSCH time-frequency resource and a PUSCH DMRS.
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