Patents by Inventor Liu Liu

Liu Liu 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).

  • Publication number: 20240085900
    Abstract: A system and method for autonomous vehicle control to minimize energy cost are disclosed. A particular embodiment includes: generating a plurality of potential routings and related vehicle motion control operations for an autonomous vehicle to cause the autonomous vehicle to transit from a current position to a desired destination; generating predicted energy consumption rates for each of the potential routings and related vehicle motion control operations using a vehicle energy consumption model; scoring each of the plurality of potential routings and related vehicle motion control operations based on the corresponding predicted energy consumption rates; selecting one of the plurality of potential routings and related vehicle motion control operations having a score within an acceptable range; and outputting a vehicle motion control output representing the selected one of the plurality of potential routings and related vehicle motion control operations.
    Type: Application
    Filed: November 15, 2023
    Publication date: March 14, 2024
    Inventors: Xing SUN, Wutu LIN, Liu LIU, Kai-Chieh MA, Zijie XUAN, Yufei ZHAO
  • Publication number: 20240088973
    Abstract: The present disclosure provides a beam selection method and a network element. The network element includes a first network element in a communication network, including: a receiving unit configured to receive measurement results of a terminal for first information transmitted via at least a part of first beams; a processing unit configured to determine a preferred beam from a plurality of second beams according to measurement results of the first information transmitted via more than two first beams; and a transmitting unit configured to transmit information about the preferred beam.
    Type: Application
    Filed: December 28, 2020
    Publication date: March 14, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Xufei Zheng, Liu Liu, Hiroyuki Kawai, Lan Chen, Tianyang Min
  • Patent number: 11930428
    Abstract: Provided are a method and system for realizing a service-based mobile originated short message service. The method for realizing a service-based mobile originated short message service (MO SMS) includes: after receiving a short message transferred from a user equipment, an SMSF entity querying, from a NRF entity, information of a network function that can provide a MO SMS forwarding service; when it is determined, according to a query result, that a corresponding SMS-IWMSC can provide the MO SMS forwarding service, the SMSF entity sending the short message to the SMS-IWMSC; and the SMS-IWMSC sending the short message to a SC, so that the SC sends the short message to a corresponding receiver of the short message.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: March 12, 2024
    Assignee: CHINA TELECOM CORPORATION LIMITED
    Inventors: Liu Liu, Biao Long, Yue Sun, Jiayifan Liu, Zhuoyi Chen, Mingxue Li, Qingyang Wang, Linfeng Zhang, Ke Yin, Lei Cao, Bo Wang, Ye Zhao
  • Publication number: 20240063883
    Abstract: The present disclosure provides a terminal and a base station. The terminal includes: a receiving unit configured to receive first information transmitted via a plurality of first beams; and a transmitting unit configured to transmit measurement results of the first information transmitted via at least a part of the first beams. The receiving unit is further configured to receive second information transmitted via a preferred beam of a plurality of second beams. The preferred beam is determined by a base station from the plurality of second beams according to measurement results of the first information transmitted via more than two first beams.
    Type: Application
    Filed: December 28, 2020
    Publication date: February 22, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Xufei Zheng, Liu Liu, Hiroyuki Kawai, Lan Chen, Jing Wang, Hiroki Harada, Satoshi Nagata
  • Publication number: 20240053421
    Abstract: Systems and methods for MRI are provided. The systems obtain a reference MR image of a target subject. The reference MR image is acquired by performing a reference MR scan on a first anatomical structure of the target subject before a target MR scan. The target MR scan is to be performed on a second anatomical structure of the target subject. The second anatomical structure is smaller than the first anatomical structure. The systems determine geometrical information of the second anatomical structure based on the reference MR image. The systems determine a target scanning protocol with respect to the target MR scan based on the geometrical information. The systems acquire a target MR image of the second anatomical structure by performing the target scan based on the target scanning protocol. In the target MR image, the second anatomical structure is not overlapped with other anatomical structures of the target subject.
    Type: Application
    Filed: August 15, 2023
    Publication date: February 15, 2024
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Liu LIU, Jian XU, Tingrong SHI
  • Patent number: 11900239
    Abstract: Systems and methods for dynamically executing sparse neural networks are provided. In one implementation, a system for providing dynamic sparsity in a neural network may include at least one memory storing instructions and at least one processor configured to execute the instructions to: reduce an input vector and a set of weights of the neural network, execute an input layer of the neural network using the reduced input vector and set of weights to generate a reduced output vector; expand the reduced output vector to a full output vector using first predictable output neurons (PONs); using a PON map, reduce a dimension of the full output vector; execute subsequent layers of the neural network using the reduced full output vector to produce a second reduced output vector; and expand the second reduced output vector to a second full output vector using second PONs.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: February 13, 2024
    Assignee: Alibaba Group Holding Limited
    Inventors: Zhenyu Gu, Liu Liu, Shuangchen Li, Yuan Xie
  • Patent number: 11892846
    Abstract: A prediction-based system and method for trajectory planning of autonomous vehicles are disclosed.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: February 6, 2024
    Assignee: TUSIMPLE, INC.
    Inventors: Xiaomin Zhang, Yilun Chen, Guangyu Li, Xing Sun, Wutu Lin, Liu Liu, Kai-Chieh Ma, Zijie Xuan, Yufei Zhao
  • Patent number: 11892577
    Abstract: Disclosed are a multi-scale photoacoustic detection method of geological structure around a borehole and related devices. The method includes: obtaining depth information and direction information of the borehole; generating trajectory data of the borehole according to the depth information and direction information; obtaining an optical image of the geological structure around the borehole; generating a first velocity model according to the optical image and the trajectory data; obtaining low-frequency acoustic wave data and high-frequency acoustic wave data of the geological structure around the borehole; performing a full waveform inversion on the first velocity model according to the low-frequency acoustic wave data and the high-frequency acoustic wave data to obtain a second velocity model; and determining the geological structure around the borehole according to the second velocity model.
    Type: Grant
    Filed: October 2, 2021
    Date of Patent: February 6, 2024
    Assignees: Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, WUHAN CHANGSHENG MINE SECURITY TECHNOLOGY LIMITED
    Inventors: Shaojun Li, Liu Liu, Quan Jiang, Fengjuan Tao, Chunsheng Liu
  • Publication number: 20240034341
    Abstract: Vehicle dynamics related parameter(s) of an autonomous vehicle model can be calibrated so that the autonomous vehicle model can more accurately determine the driving related behaviors of the autonomous vehicle. An example method comprises obtaining, from sensor data, vehicle related parameters; performing a first determination of a slope of a road and a banking angle of the road based on a pitch angle of the vehicle and a roll angle of the vehicle, respectively; performing a second determination of a set of parameters that describe a driving-related operation of the vehicle; performing a third determination that at least one difference between at least one value from the set of parameters and a corresponding parameter from the plurality of vehicle related parameters exceeds at least one threshold value; and obtaining, in response to the third determination, a calibrated longitudinal dynamic-related parameter or a calibrated lateral dynamic-related parameter.
    Type: Application
    Filed: July 20, 2023
    Publication date: February 1, 2024
    Inventors: Shen QU, Liu LIU, Junbo JING, Haoming SUN
  • Patent number: 11886183
    Abstract: A system and method for autonomous vehicle control to minimize energy cost are disclosed. A particular embodiment includes: generating a plurality of potential routings and related vehicle motion control operations for an autonomous vehicle to cause the autonomous vehicle to transit from a current position to a desired destination; generating predicted energy consumption rates for each of the potential routings and related vehicle motion control operations using a vehicle energy consumption model; scoring each of the plurality of potential routings and related vehicle motion control operations based on the corresponding predicted energy consumption rates; selecting one of the plurality of potential routings and related vehicle motion control operations having a score within an acceptable range; and outputting a vehicle motion control output representing the selected one of the plurality of potential routings and related vehicle motion control operations.
    Type: Grant
    Filed: June 17, 2022
    Date of Patent: January 30, 2024
    Assignee: TUSIMPLE, INC.
    Inventors: Xing Sun, Wutu Lin, Liu Liu, Kai-Chieh Ma, Zijie Xuan, Yufei Zhao
  • Patent number: 11885712
    Abstract: A system and method for real world autonomous vehicle perception simulation are disclosed. A particular embodiment includes: configuring a sensor noise modeling module to produce simulated sensor errors or noise data with a configured degree, extent, and timing of simulated sensor errors or noise based on a set of modifiable parameters; using the simulated sensor errors or noise data to generate simulated perception data by simulating errors related to constraints of one or more of a plurality of sensors, and by simulating noise in data provided by a sensor processing module corresponding to one or more of the plurality of sensors; and providing the simulated perception data to a motion planning system for the autonomous vehicle.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: January 30, 2024
    Assignee: TUSIMPLE, INC.
    Inventors: Xing Sun, Wutu Lin, Yufei Zhao, Liu Liu
  • Patent number: 11879327
    Abstract: Disclosed is a system and a method of transient electromagnetic advanced detection. The system includes a detection host, an electromagnetic signal transmitter, a probe, and a communication device. The system and method of transient electromagnetic advance detection disclosed by examples of the present disclosure can realize an early-warning through a transient electromagnetic advance detection in a borehole while drilling the borehole in a tunnel or a roadway.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: January 23, 2024
    Assignees: CHINA UNIVERSITY OF MINING AND AND TECHNOLOGY, BEIJING, WUHAN CHANGSHENG MINE SECURITY TECHNOLOGY LIMITED
    Inventors: Qiang Wu, Chunsheng Liu, Yifan Zeng, Liu Liu, Fengjuan Tao, Gang Hu
  • Patent number: 11853071
    Abstract: A data-driven prediction-based system and method for trajectory planning of autonomous vehicles are disclosed. A particular embodiment includes: generating a first suggested trajectory for an autonomous vehicle; generating predicted resulting trajectories of proximate agents using a prediction module; scoring the first suggested trajectory based on the predicted resulting trajectories of the proximate agents; generating a second suggested trajectory for the autonomous vehicle and generating corresponding predicted resulting trajectories of proximate agents, if the score of the first suggested trajectory is below a minimum acceptable threshold; and outputting a suggested trajectory for the autonomous vehicle wherein the score corresponding to the suggested trajectory is at or above the minimum acceptable threshold.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: December 26, 2023
    Assignee: TUSIMPLE, INC.
    Inventors: Xing Sun, Wutu Lin, Liu Liu, Kai-Chieh Ma, Zijie Xuan, Yufei Zhao
  • Patent number: 11853072
    Abstract: A system and method for real world autonomous vehicle trajectory simulation may include: receiving training data from a data collection system; obtaining ground truth data corresponding to the training data; performing a training phase to train a plurality of trajectory prediction models; and performing a simulation or operational phase to generate a vicinal scenario for each simulated vehicle in an iteration of a simulation. Vicinal scenarios may correspond to different locations, traffic patterns, or environmental conditions being simulated. Vehicle intention data corresponding to a data representation of various types of simulated vehicle or driver intentions.
    Type: Grant
    Filed: September 1, 2022
    Date of Patent: December 26, 2023
    Assignee: TUSIMPLE, INC.
    Inventors: Xing Sun, Wutu Lin, Liu Liu, Kai-Chieh Ma, Zijie Xuan, Yufei Zhao
  • Publication number: 20230403539
    Abstract: Provided are a method and system for realizing a service-based mobile originated short message service. The method for realizing a service-based mobile originated short message service (MO SMS) includes: after receiving a short message transferred from a user equipment, an SMSF entity querying, from a NRF entity, information of a network function that can provide a MO SMS forwarding service; when it is determined, according to a query result, that a corresponding SMS-IWMSC can provide the MO SMS forwarding service, the SMSF entity sending the short message to the SMS-IWMSC; and the SMS-IWMSC sending the short message to a SC, so that the SC sends the short message to a corresponding receiver of the short message.
    Type: Application
    Filed: October 18, 2021
    Publication date: December 14, 2023
    Inventors: Liu LIU, Biao LONG, Yue SUN, Jiayifan LIU, Zhuoyi CHEN, Mingxue LI, Qingyang WANG, Linfeng ZHANG, Ke YIN, Lei CAO, Bo WANG, Ye ZHAO
  • Publication number: 20230396785
    Abstract: Among other things, embodiments of the present disclosure improve the functionality of electronic messaging and imaging software and systems by automating the client-side transcoding of video data based on content. For example, an appropriate transcoding configuration can be selected for video data having complex motion or textures. Accordingly, video quality can be improve when complex motions or textures are present.
    Type: Application
    Filed: August 18, 2023
    Publication date: December 7, 2023
    Inventors: Liu Liu, Chao Pang, Rong Yan
  • Patent number: 11838933
    Abstract: The present invention is designed to appropriately select PUCCH resources used to transmit HARQ-ACK. According to one aspect of the present invention, a user terminal has a control section that monitors candidate resources of one or more downlink (DL) control channels (DL) transmitted in multiple different time and/or frequency resources, and detects one or more downlink control information (DCI), and a transmission section that transmits delivery acknowledgment information in response to a downlink (DL) data channel by using an uplink (UL) control channel, and the control section selects resources for the UL control channel based on the DCI.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: December 5, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Qin Mu, Liu Liu, Chongning Na, Xin Wang, Jing Wang, Lihui Wang, Min Liu, Huiling Jiang
  • Publication number: 20230376037
    Abstract: An autonomous vehicle simulation system for analyzing motion planners is disclosed. A particular embodiment includes: receiving map data corresponding to a real world driving environment; obtaining perception data and configuration data including pre-defined parameters and executables defining a specific driving behavior for each of a plurality of simulated dynamic vehicles; generating simulated perception data for each of the plurality of simulated dynamic vehicles based on the map data, the perception data, and the configuration data; receiving vehicle control messages from an autonomous vehicle control system; and simulating the operation and behavior of a real world autonomous vehicle based on the vehicle control messages received from the autonomous vehicle control system.
    Type: Application
    Filed: August 3, 2023
    Publication date: November 23, 2023
    Inventors: Liu LIU, Yuwei WANG, Xing SUN, Yufei ZHAO, Wutu LIN
  • Publication number: 20230373483
    Abstract: A system and method for adaptive cruise control with proximate vehicle detection are disclosed. The example embodiment can be configured for: receiving input object data from a subsystem of a host vehicle, the input object data including distance data and velocity data relative to detected target vehicles; detecting the presence of any target vehicles within a sensitive zone in front of the host vehicle, to the left of the host vehicle, and to the right of the host vehicle; determining a relative speed and a separation distance between each of the detected target vehicles relative to the host vehicle; and generating a velocity command to adjust a speed of the host vehicle based on the relative speeds and separation distances between the host vehicle and the detected target vehicles to maintain a safe separation between the host vehicle and the target vehicles.
    Type: Application
    Filed: July 31, 2023
    Publication date: November 23, 2023
    Inventors: Wutu LIN, Liu LIU, Zijie Xuan, Xing SUN, Kai-Chieh MA, Yufei ZHAO
  • Patent number: 11825248
    Abstract: A method includes: obtaining a transmission bandwidth granularity G1 of a target service and an optical-layer spectrum resource of a target fiber channel corresponding to the target service, where the optical-layer spectrum resource includes N consecutive frequency slots, and all of the N consecutive frequency slots have a same spectrum bandwidth; determining a target spectrum slice from the N frequency slots based on the transmission bandwidth granularity G1, where the target spectrum slice includes N1 consecutive frequency slots, and the target spectrum slice includes at least G1 consecutive idle frequency slots; and allocating the G1 consecutive idle frequency slots included in the target spectrum slice to the target service.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: November 21, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Liu Liu, Yufei Wang, Guangzhi Li, Guangyi Qiao