Patents by Inventor Dawei Chen

Dawei Chen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12638540
    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.
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: May 26, 2026
    Assignee: ZTE CORPORATION
    Inventors: Dawei Chen, Shijun Chen, Lingfei Jin, Luyan Qian, Junqiang Li, Yang Wang
  • Publication number: 20260105839
    Abstract: Systems and methods for detecting one or more approaching vehicles include one or more processors and an infrastructure camera operable to capture one or more images of surroundings of an ego vehicle. The surroundings include a ramp, one or more lanes of a freeway, and the one or more approaching vehicles, and the ramp and the lanes share at least one merging point. The one or more processors operable to transform the one or more images of surroundings to a bird's eye view of the surroundings, generate a static segmentation map and one or more dynamic objects in the static segmentation map based on the bird's eye view, predict a lane occupancy of the ramp and the lanes based on range estimation of the ego vehicle and the one or more dynamic objects, and transmit information about the predicted lane occupancy to the ego vehicle.
    Type: Application
    Filed: October 15, 2024
    Publication date: April 16, 2026
    Applicants: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki Kaisha
    Inventors: Rohit Gupta, Qi Chen, Dawei Chen
  • Publication number: 20260048131
    Abstract: The disclosure relates to bifunctional compounds with a K-L-T structure, or a pharmaceutically acceptable salt or ester or hydrate or solvate or stereoisomer thereof, and uses thereof for treating, inhibiting and/or preventing KRAS-associated diseases, disorders and conditions, including cancers, tumors and hyperplastic disorders.
    Type: Application
    Filed: August 14, 2025
    Publication date: February 19, 2026
    Inventors: Jiasheng LU, Xiang JI, Kang DU, Qiguo ZHANG, Gang WU, Xiaolin HE, Yanpeng WU, Bin ZONG, Tianlun ZHOU, Dawei CHEN
  • Publication number: 20260034938
    Abstract: Systems and methods are provided for removing vehicle induced line-of-sight occlusions. Such systems and methods may comprise: (1) obtaining an image frame captured by an image sensor in a vehicle, the image frame comprising an object in an environment surrounding the vehicle; (2) detecting an occlusion event based on a vehicle structure occluding the object from an occupant of the vehicle; (3) modifying the image frame based on a metric of computation resources of the vehicle; (4) generating a data object representative of the occlusion event from the modified image frame; and (5) outputting the data object to a rendering device, wherein the rendering device renders a graphical visualization of the data object on a display viewable by the occupant of the vehicle.
    Type: Application
    Filed: August 2, 2024
    Publication date: February 5, 2026
    Applicants: TOYOTA MOTOR NORTH AMERICA, INC., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: YITAO CHEN, DAWEI CHEN, KYUNGTAE HAN, ONUR ALTINTAS
  • Publication number: 20260029522
    Abstract: The disclosure provides a multi-target position classification wireless sensing method, including: determining channel impulse response of each antenna oscillator in multi-antenna array in receiving sensing signal; calculating delay-angle of arrival spectrum according to the channel impulse response of each antenna oscillator in receiving sensing signal; dividing and classifying path distribution area according to delay-angle of arrival spectrum; for separable path, taking angle corresponding to a maximum amplitude point in ambiguity range of separable path as angle of arrival of separable path, and taking time corresponding to maximum amplitude point in ambiguity range as time of arrival of separable path; and for inseparable path, according to angle ambiguity range and delay ambiguity range of graph including inseparable paths, estimating angle of arrival and time of arrival of each inseparable path in graph of inseparable paths.
    Type: Application
    Filed: September 27, 2023
    Publication date: January 29, 2026
    Inventors: Shijun CHEN, Dawei CHEN, Junqiang LI, Haojian ZHANG, Shuqiang XIA
  • Publication number: 20260028054
    Abstract: A rail vehicle and a low-vacuum rail vehicle system. The rail vehicle comprises: a ram air inlet, the ram air inlet being provided outside a carriage; a compressor, an air inlet of the compressor being communicated with the ram air inlet; a heat exchanger, a hot-side inlet of the heat exchanger being communicated with an air outlet of the compressor), a hot-side outlet of the heat exchanger being communicated with the inner space of the carriage, and a cold side of the heat exchanger being provided with a refrigerant for heat exchange; and an exhaust valve, a first end of the exhaust valve being provided on the inner side of the carriage, and a second end of the exhaust valve being provided on the outer side of the carriage.
    Type: Application
    Filed: September 25, 2023
    Publication date: January 29, 2026
    Inventors: Dawei CHEN, Yongxia LAN, Yue LIU, Xiaotao LU, Qi ZHANG
  • Patent number: 12519586
    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.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: January 6, 2026
    Assignee: ZTE CORPORATION
    Inventors: Shijun Chen, Dawei Chen, Yang Wang, Junqiang Li
  • Publication number: 20260003061
    Abstract: Provided are a balanced wireless sensing method, a communication node, and a storage medium. The balanced wireless sensing method includes determining a delay-Doppler spectrum of a received signal in the current sensing period; jointly partitioning the delay range and the angle range of the sensed received signal, where a joint partition includes a delay partition and an angle partition; and determining an angle traversal step size corresponding to each delay partition and a preset number of sensed objects in each joint partition; for each joint partition, sensing information about at most the preset number of sensed objects in the joint partition according to the delay-Doppler spectrum and the angle traversal step size of the joint partition; determining a trajectory within a sensing range according to information sensed in multiple sensing periods; and determining a moving object according to the trajectory.
    Type: Application
    Filed: May 30, 2023
    Publication date: January 1, 2026
    Inventors: Shijun CHEN, Dawei CHEN, Feixiong LUO, Junqiang LI
  • Patent number: 12511769
    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.
    Type: Grant
    Filed: April 21, 2022
    Date of Patent: December 30, 2025
    Assignee: ZTE CORPORATION
    Inventors: Dawei Chen, Shijun Chen, Dengping Lin, Junqiang Li, Juan Du
  • Patent number: 12499555
    Abstract: A method for video instance segmentation is provided. The method includes inputting a plurality of video frames collected by a sensor of a vehicle to a trained machine learning model to obtain an n-th output from an n-th layer of the trained machine learning model and an n+1-st output from an n+1-st layer of the trained machine learning model, the trained machine learning model comprising a deep learning model and early-exit subnets, and in response to determining that a difference between the n-th output and the n+1-st output is less than a threshold value, controlling the vehicle based on the n+1-st output, the n+1-st output includes information about instances in the plurality of video frames.
    Type: Grant
    Filed: July 28, 2023
    Date of Patent: December 16, 2025
    Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki Kaisha
    Inventors: Yitao Chen, Dawei Chen, Kyungtae Han
  • Publication number: 20250333730
    Abstract: The present disclosure relates to an siRNA for inhibiting the expression of an angiopoietin-like protein 3 (ANGPTL3) gene, an siRNA conjugate, and a pharmaceutical composition thereof, and a method for reducing the expression of the ANGPTL3 gene by using the siRNA, the siRNA conjugate, and the pharmaceutical composition thereof. The siRNA, the siRNA conjugate, and the pharmaceutical composition thereof of the present disclosure can be used for treating and/or preventing an ANGPTL3 gene-mediated disease or disorder.
    Type: Application
    Filed: June 21, 2022
    Publication date: October 30, 2025
    Inventors: Jun Pan, Xinxin Ma, Peiming Song, Chun Wu, Hui Feng, Sheng Yao, Jiasheng Lv, Haixiao Siyang, Yijie Yin, Wantao Guo, Haiming Li, Dawei Chen, Jiamin Gu, Xianqi Kong
  • Publication number: 20250291632
    Abstract: A method is provided including receiving task information about a computational task associated with a vehicle to be performed; receiving information about an amount of gasoline or electrical charge remaining on the vehicle; determining a complexity of the computational task based on the task information; and determining whether to perform the computational task locally by the vehicle or remotely by a remote computing device based on the amount of gasoline or electrical charge remaining on the vehicle and the complexity of the computational task.
    Type: Application
    Filed: February 2, 2024
    Publication date: September 18, 2025
    Applicants: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki Kaisha
    Inventors: Dawei Chen, Qi Chen, Rohit Gupta, Kyungtae Han
  • Publication number: 20250292430
    Abstract: A method for positioning, an electronic device, a storage medium and a program product. The method may include acquiring a reference image displaying both a target to be positioned and at least one target reference object, acquiring first position information about the target reference object within the reference image, and acquiring relative position information about the target to be positioned relative to the target reference object, in the reference image; acquiring second position information about the target reference object in a pre-generated indoor image; and determining target position information about the target to be positioned in the indoor image according to the first position information, the relative position information, and the second position information.
    Type: Application
    Filed: January 18, 2023
    Publication date: September 18, 2025
    Applicant: ZTE Corporation
    Inventors: Dawei Chen, Shijun Chen, Junqiang Li
  • Publication number: 20250292588
    Abstract: A system includes a vehicle. The vehicle includes a controller configured to obtain video data, determine a confidence of a specialized model by inputting the obtained video data to the specialized model, determine whether the confidence is greater than a predetermined value, send the obtained video data to an edge server in response to determining that the confidence is less than or equal to the predetermined value, and operate the vehicle using an output of the specialized model in response to determining that the confidence is greater than the predetermined value.
    Type: Application
    Filed: February 1, 2024
    Publication date: September 18, 2025
    Applicants: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki Kaisha
    Inventors: Yitao Chen, Dawei Chen, Kyungtae Han
  • Publication number: 20250294326
    Abstract: A multi-target trajectory decomposition observation method, which includes: acquiring a sensing signal at a current moment, and sensing location information and signal energy values of respective targets of a plurality of targets based on the sensing signal at the current moment; displaying a plurality of sensing points of the respective targets on a map according to the location information and signal energy values of the respective targets; determining one or more motion trajectories based on the plurality of sensing points displayed on the map at the current moment and a plurality of historical sensing points displayed within a time period before the current moment, where each motion trajectory of the one or more motion trajectories is used to characterize a moving target of the plurality of targets; and decomposing sensed information of one or more moving targets of the plurality of targets that is sensed on one or more channels for outputting.
    Type: Application
    Filed: May 24, 2023
    Publication date: September 18, 2025
    Inventors: Shijun CHEN, Junqiang LI, Dawei CHEN, Wei CHENG, Xu LIN
  • Publication number: 20250287186
    Abstract: The present application discloses a wireless sensing method, a communication device and a storage medium. The method includes: building a real-time state machine model for a sensing object; and determining an environmental state of the sensing object based on the real-time state machine model.
    Type: Application
    Filed: March 23, 2023
    Publication date: September 11, 2025
    Inventors: Shijun CHEN, Junqiang LI, Dawei CHEN, Shuqiang XIA
  • Publication number: 20250274315
    Abstract: Provided are a signal transmission method, a device, and a storage medium. The signal transmission method applied by a sending end includes determining a first-type subcarrier set and a second-type subcarrier set among transmission symbols, where a second-type subcarrier carries such a generated target signal that a signal on a sample point of a sequence obtained from superposition of a time-domain sequence corresponding to the target signal and a time-domain sequence corresponding to a communication signal carried by a first-type subcarrier satisfies a preset feature; and sending the communication signal and the target signal carried by the transmission symbols to a receiving end.
    Type: Application
    Filed: April 26, 2023
    Publication date: August 28, 2025
    Inventors: Shuqiang XIA, Guanghui YU, Liujun HU, Shijun CHEN, Yihua MA, Zhifeng YUAN, Dawei CHEN
  • Publication number: 20250271568
    Abstract: A partition trajectory target sensing method, a communication device, and a storage medium are disclosed. The method may include: performing delay-Doppler spectrum calculation for a received signal of each sensing signal period to obtain comprehensive delay-Doppler spectra of the received signal which include information of all targets, the comprehensive delay-Doppler spectrum includes angle information; performing partitioning, prioritizing, and extraction of the angle information on the comprehensive delay-Doppler spectra to obtain delay-angle-of-arrival spectra of prioritized targets in the partitions; determining a moving trajectory according to timing of the delay-angle-of-arrival spectra of the prioritized targets in the partitions; and determining a moving target according to the moving trajectory.
    Type: Application
    Filed: April 28, 2023
    Publication date: August 28, 2025
    Applicant: ZTE Corporation
    Inventors: Shijun Chen, Dawei Chen, Junqiang Li, Xu Lin, Yongbiao Li, Shuqiang Xia
  • Publication number: 20250267606
    Abstract: Provided in the present disclosure is a method for sensing synchronization.
    Type: Application
    Filed: May 30, 2023
    Publication date: August 21, 2025
    Inventors: Shijun CHEN, Dawei CHEN, Junqiang LI, Shuqiang XIA
  • Mop
    Patent number: D1091036
    Type: Grant
    Filed: March 28, 2023
    Date of Patent: August 26, 2025
    Inventor: Dawei Chen