公开(公告)号：US20230077304A1

公开(公告)日：2023-03-09

申请号：US17785640

申请日：2021-03-03

申请人： ZTE CORPORATION

发明人： Dawei CHEN ,  Shijun CHEN ,  Lingfei JIN ,  Luyan QIAN ,  Junqiang LI ,  Yang WANG

IPC分类号： G01S5/02 ,  G06F17/16

摘要： Disclosed are a cooperative positioning method and apparatus, a device, and a non-transitory computer-readable storage medium. The method may include: determining an initial positioning estimated value of each of a plurality of objects to be measured by a simulated annealing algorithm and a first preset positioning algorithm; screening at least two distance measurement values based on a preset error threshold to obtain a target distance measurement value, where the at least two distance measurement values are measurement values obtained by measuring a distance between each object to be measured and each of a plurality of target base stations for at least two times; and determining a position of each object to be measured according to a multi-target-source Taylor series algorithm, each target distance measurement value and each initial positioning estimated value.

公开(公告)号：US20230003829A1

公开(公告)日：2023-01-05

申请号：US17783828

申请日：2020-12-23

申请人： ZTE CORPORATION

发明人： Shijun CHEN ,  Dawei CHEN ,  Yang WANG ,  Junqiang LI ,  Qian CHEN

IPC分类号： G01S5/02

摘要： A method and device for determining a time of arrival (TOA), a terminal device, and a non-transitory computer-readable storage medium are disclosed. The method may include: determining a detection start time on a correlation waveform based on a leading edge detection threshold; determining a noise threshold on the correlation waveform, and determining a quasi-TOA according to the detection start time; and determining the TOA according to data information in a target area of the correlation waveform and the noise threshold, where the target area is determined based on the quasi-TOA and a detection length.

公开(公告)号：US20230029291A1

公开(公告)日：2023-01-26

申请号：US17785625

申请日：2020-12-23

申请人： ZTE CORPORATION

发明人： Shijun CHEN ,  Dawei CHEN ,  Junqiang LI ,  Yang WANG ,  Qian CHEN

IPC分类号： G01S5/06

摘要： Disclosed are a method and an apparatus for determining time of arrival, a signal receiving device, and a non-transitory computer readable storage medium. The method for determining time of arrival includes: generating time of arrival correction information according to front edge information of theoretical autocorrelation waveforms of positioning signals having different fading values; calculating a front edge slope corresponding to a front edge reference point of a correlation waveform of an actually received signal; and determining target correction information from the time of arrival correction information according to the front edge slope, and determining the time of arrival of the actually received signal based on the target correction information.

公开(公告)号：US20230327914A1

公开(公告)日：2023-10-12

申请号：US18021419

申请日：2021-08-13

申请人： ZTE CORPORATION

发明人： Shijun CHEN ,  Junqiang LI ,  Dawei CHEN ,  Shizhuang ZHANG ,  Gang LI

IPC分类号： H04L25/02 ,  H04W56/00

CPC分类号： H04L25/0212 ,  H04W56/0095

摘要： Provided are a method and apparatus for determining a delay compensation value, a device, and a computer-readable storage medium. The method includes: obtaining a channel frequency domain impulse response of a transmit link, where the transmit link is obtained by combining at least two hardware modules in a transmit circuit, obtaining a time domain impulse response according to the channel frequency domain impulse response, and determining a delay compensation value of the transmit link according to a preset condition and the time domain impulse response.

公开(公告)号：US20230198701A1

公开(公告)日：2023-06-22

申请号：US17917015

申请日：2021-03-15

申请人： ZTE Corporation

发明人： Shijun CHEN ,  Dawei CHEN ,  Yang WANG ,  Junqiang LI

IPC分类号： H04L5/00 ,  G01S5/02

CPC分类号： H04L5/0048 ,  G01S5/0226 ,  H04L5/008

摘要： Provided are a networking signal sending method and device for a positioning network. The method includes: determining a networking mode of the positioning network according to an application scene, wherein the networking mode includes independent networking of the positioning network and joint networking of the positioning network and a communication network; and configuring a positioning base station of the positioning network, or the positioning base station and a communication base station according to the networking mode, wherein the positioning base station is used for sending a positioning signal or the positioning signal and a synchronization signal, and the communication base station is used for sending the synchronization signal.