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公开(公告)号：US12262279B2
公开(公告)日：2025-03-25
申请号：US17633947
申请日：2020-06-23
Inventor： Hui Li , Ren Da , Bin Ren , Deshan Miao , Xueyuan Gao , Gang Li
IPC: H04W4/02 , H04B17/318
Abstract: A measurement reporting and receiving method, a device and an equipment are provided. The method includes: measuring, by a terminal, positioning reference signals sent by a plurality of network side sending devices, and determining, according to a measurement result of the positioning reference signals sent by each network side sending device, angle of departure indication information of the each network side sending device; and sending, by the terminal, the angle of departure indication information of the plurality of network side sending devices to a network side positioning device.
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公开(公告)号：US11979212B2
公开(公告)日：2024-05-07
申请号：US17275654
申请日：2019-08-07
Inventor： Xin Su , Hui Li , Runhua Chen , Qiubin Gao , Deshan Miao
CPC classification number: H04B7/0626 , H04B7/0632 , H04B7/0639 , H04L5/0051
Abstract: The present application relates to the field of communications and provides a method and apparatus for determining channel state information (CSI). The method includes a network side device determines a measurement mode for CSI, the measurement mode being that the network side device performs transmission using M code words by means of transmit points corresponding to M demodulation reference signal (DMRS) port groups, and M is greater than or equal to 1, and each of the code words corresponds to one DMRS port group, the network side device determines N CSI-RS resources according to the measurement mode, the N CSI-RS resources being used for a terminal to determine CSI of transmit channels corresponding to the M code words, the transmit channels corresponding to the code words being transmit channels from the transmit points of the code words to the terminal, M being less than or equal to N.
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公开(公告)号：US11792766B2
公开(公告)日：2023-10-17
申请号：US17431176
申请日：2020-01-15
Inventor： Bin Ren , Ren Da , Hui Li , Deshan Miao , Xueyuan Gao
CPC classification number: H04W64/006 , G01S5/0252 , G01S5/10 , H04W16/28
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 includes a terminal sending to a location management function (LMF) entity an auxiliary positioning data request message includes first identification information of a beam reference signal detected by the terminal itself, receiving from the LMF entity auxiliary positioning data of beam direction information of a beam reference signal including second identification information, and 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, 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.
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4.发明授权公开(公告)号：US12199719B2
公开(公告)日：2025-01-14
申请号：US17422433
申请日：2019-12-24
Inventor： Hui Li , Qiubin Gao , Runhua Chen , Zhengxuan Liu
IPC: H04B7/06
Abstract: Disclosed in the present application are methods for sending and receiving channel state information (CSI), a terminal device and a network device, which are used to provide a CSI sending method or receiving method on the basis of a Rel-16 codebook structure. The method for sending CSI includes determining a compressed basis vector in a precoding matrix, the compressed basis vector belonging to a set of candidate basis vectors, and the compressed basis vector weighted by coefficients of the precoding matrix is used to construct frequency domain characteristics of the precoding matrix; and sending the CSI to a network device, and the CSI includes basis vector indication information, and the basis vector indication information is used to indicate the compressed basis vector.
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5.发明授权公开(公告)号：US12191954B2
公开(公告)日：2025-01-07
申请号：US17794253
申请日：2021-02-09
Inventor： Zhengxuan Liu , Qiubin Gao , Hui Li
Abstract: Provided are a method and a device for channel state information, terminal, and network side, and a storage medium. The method includes: receiving beamformed CSI-RSs, or the beamformed CSI-RSs and frequency domain basis vector indication information transmitted by a network side by means of antenna ports, where beams used in beamforming are determined based on spatial domain basis vectors or based on the spatial domain basis vectors and frequency domain basis vectors, and the spatial domain basis vectors and the frequency domain basis vectors are determined based on an uplink channel; determining port indication information and a port combination coefficient for data transmission based on the beamformed CSI-RS or the beamformed CSI-RS and the frequency domain basis vector indication information; and feeding back the port indication information and port combination coefficient to the network side for determining precoding of downlink transmission data at the network side.
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Patent Agency Ranking
公开(公告)号：US11901979B2
公开(公告)日：2024-02-13
申请号：US17785399
申请日：2020-12-07
Inventor： Zhengxuan Liu , Qiubin Gao , Hui Li
IPC: H04B7/04 , H04B7/0456 , H04B7/06 , H04L5/00
CPC classification number: H04B7/0456 , H04B7/063 , H04B7/0617 , H04B7/0626 , H04B7/0632 , H04L5/0048
Abstract: Disclosed are a channel reciprocity-based precoding matrix configuration method and apparatus. The method includes: in downlink transmission, a network side separately sends, on each antenna port associated with each transmission layer, a CSI-RS subjected to beamforming to a terminal by using beams calculated according to angle information and delay information determined on the basis of uplink channel state information, and determines a precoding matrix for downlink transmission of the terminal according to beams sent on K0 antenna ports selected by the terminal on the basis of the CSI-RS, and a beam combination coefficient set.
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公开(公告)号：US11777676B2
公开(公告)日：2023-10-03
申请号：US17261846
申请日：2019-06-21
Inventor： Ren Da , Fang-Chen Cheng , Hui Li , Xueyuan Gao , Bin Ren , Qiubin Gao , Deshan Miao
IPC: H04L5/00 , H04W4/029 , H04W64/00 , H04W72/0446
CPC classification number: H04L5/0048 , H04W4/029 , H04W64/003 , H04W72/0446
Abstract: Disclosed are a method and device for transmitting a positioning reference signal. The method includes a base station determining a time-frequency resource for sending a PRS according to configuration information of the PRS, mapping a PRS sequence to the time-frequency resource for sending the PRS, and sending the mapped PRS on the time-frequency resource for sending the PRS, wherein the configuration information of the PRS comprises PRS frequency domain resource information; the PRS frequency domain resource information comprises PRS resource element (RE) frequency shift information, and the PRS RE frequency shift information is correlated with a PRS OFDM symbol index value calculated from a PRS occasion.
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公开(公告)号：US12212396B2
公开(公告)日：2025-01-28
申请号：US18003817
申请日：2021-07-01
Inventor： Hui Li , Runhua Chen , Qiubin Gao , Yajuan Luo
IPC: H04B7/06 , H04L5/00 , H04W72/232
Abstract: The present disclosure discloses a beam indication method, a beam indication device, a terminal and a network side device. The method is applied to a first terminal and includes: receiving, by the first terminal, a first message, wherein the first message includes beam-related information for indicating N beams, N is an integer greater than or equal to 1; transmitting, by the first terminal, at least two target channels and/or target reference signals according to the beam-related information.
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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：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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