公开(公告)号：US20240371019A1

公开(公告)日：2024-11-07

申请号：US18552481

申请日：2022-04-21

Applicant: ZTE CORPORATION

Inventor： Dawei CHEN ,  Shijun CHEN ,  Dengping LIN ,  Junqiang LI ,  Juan DU

IPC: G06T7/593

Abstract: Provided are a disparity estimation method and apparatus, an image processing device, and a storage medium. The method includes: processing input images based on a first network model to obtain a direct cost volume of the input images, where the input images include a first image and a second image, and the first network model includes a convolutional neural network, a pyramid convolutional network, and a spatial pyramid pooling layer; processing the input images based on a second network model to obtain an associated cost volume of the input images, where the second network model includes a residual network; determining an estimated cost of the input images according to the associated cost volume and the direct cost volume; and calculating an estimated disparity corresponding to the first image and the second image according to the estimated cost.

公开(公告)号：US20230077304A1

公开(公告)日：2023-03-09

申请号：US17785640

申请日：2021-03-03

Applicant: ZTE CORPORATION

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

IPC: G01S5/02 ,  G06F17/16

Abstract: 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

Applicant: ZTE CORPORATION

Inventor： Shijun CHEN ,  Dawei CHEN ,  Yang WANG ,  Junqiang LI ,  Qian CHEN

IPC: G01S5/02

Abstract: 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：US20250028037A1

公开(公告)日：2025-01-23

申请号：US18905144

申请日：2024-10-03

Applicant: ZTE CORPORATION

Inventor： Shijun CHEN ,  Junqiang LI ,  Dawei CHEN ,  Shuqiang XIA

IPC: G01S13/42 ,  G01S7/00 ,  G01S13/00

Abstract: The present application provides a wireless sensing method, comprising: performing modeling according to a sensing signal received by antennas, determining a reference state of a sensing environment; calculating a difference between a current sensing signal and the reference state; and determining, according to the difference, a position parameter of a changing sensing object in the sensing environment. The present application further provides a wireless sensing apparatus, a communication device, and a computer storage medium.

公开(公告)号：US20230029291A1

公开(公告)日：2023-01-26

申请号：US17785625

申请日：2020-12-23

Applicant: ZTE CORPORATION

Inventor： Shijun CHEN ,  Dawei CHEN ,  Junqiang LI ,  Yang WANG ,  Qian CHEN

IPC: G01S5/06

Abstract: 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：US20250081172A1

公开(公告)日：2025-03-06

申请号：US18724016

申请日：2022-09-09

Applicant: ZTE Corporation

Inventor： Shijun CHEN ,  Dawei CHEN ,  Junqiang LI

IPC: H04W72/0453 ,  H04L5/00 ,  H04L27/26

Abstract: Provided are a frequency-domain data merging method and apparatus, a storage medium, and an electronic apparatus. The method includes: respectively performing up-conversion on baseband data of a plurality of frequency bands in a frequency domain, so as to obtain frequency-domain received data of each frequency band from among the plurality of frequency bands that has been subjected to up-conversion; and merging the frequency-domain received data of each frequency band that has been subjected to up-conversion, so as to obtain merged frequency-domain received data.

公开(公告)号：US20230327914A1

公开(公告)日：2023-10-12

申请号：US18021419

申请日：2021-08-13

Applicant: ZTE CORPORATION

Inventor： Shijun CHEN ,  Junqiang LI ,  Dawei CHEN ,  Shizhuang ZHANG ,  Gang LI

IPC: H04L25/02 ,  H04W56/00

CPC classification number: H04L25/0212 ,  H04W56/0095

Abstract: 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

Applicant: ZTE Corporation

Inventor： Shijun CHEN ,  Dawei CHEN ,  Yang WANG ,  Junqiang LI

IPC: H04L5/00 ,  G01S5/02

CPC classification number: H04L5/0048 ,  G01S5/0226 ,  H04L5/008

Abstract: 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.