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).

  • Patent number: 11029693
    Abstract: A system and method for implementing a neural network based vehicle dynamics model are disclosed. A particular embodiment includes: training a machine learning system with a training dataset corresponding to a desired autonomous vehicle simulation environment; receiving vehicle control command data and vehicle status data, the vehicle control command data not including vehicle component types or characteristics of a specific vehicle; by use of the trained machine learning system, the vehicle control command data, and vehicle status data, generating simulated vehicle dynamics data including predicted vehicle acceleration data; providing the simulated vehicle dynamics data to an autonomous vehicle simulation system implementing the autonomous vehicle simulation environment; and using data produced by the autonomous vehicle simulation system to modify the vehicle status data for a subsequent iteration.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: June 8, 2021
    Assignee: TUSIMPLE, INC.
    Inventors: Jun Chen, Wutu Lin, Liu Liu
  • Patent number: 11019349
    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: Grant
    Filed: June 14, 2017
    Date of Patent: May 25, 2021
    Assignee: Snap Inc.
    Inventors: Liu Liu, Chao Pang, Rong Yan
  • Publication number: 20210153202
    Abstract: A terminal is disclosed including a receiver that receives information on a control resource set including a candidate of a downlink control channel, and a processor that assumes a resource corresponding to the downlink control channel is an unavailable resource for downlink data when the control resource set overlaps with the downlink data. In other aspects, a radio communication method for a terminal is also disclosed.
    Type: Application
    Filed: June 15, 2017
    Publication date: May 20, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Qin Mu, Liu Liu
  • Patent number: 11012982
    Abstract: The present invention is designed so that the transmission of PUSCH can be controlled properly when the reference value for the timing for transmitting signals is controlled in radio base stations and/or user terminals. A user terminal, according to the present invention, has a receiving section that receives downlink control information (DCI), and a control section that controls transmission of an uplink (UL) shared channel that is scheduled by the DCI, and the control section controls the transmission of the UL shared channel based on a reference value that is configured for the timing for transmitting the UL shared channel.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: May 18, 2021
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Shaozhen Guo, Lihui Wang, Liu Liu, Xiaolin Hou, Huiling Jiang
  • Publication number: 20210144714
    Abstract: According to the present invention, when communication is carried out using different formats from those of existing LTE systems, control channels can be communicated properly. A user terminal, according to one aspect of the present invention, includes a receiving section that receives a DL control channel, and a control section that controls monitoring of DL control channel candidates, and the control section determines the aggregation level to monitor and/or the number of DL control channel candidates based on the DCI format and/or the DCI payload size.
    Type: Application
    Filed: June 15, 2017
    Publication date: May 13, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Qin Mu, Liu Liu
  • Publication number: 20210132620
    Abstract: A system and method for implementing a neural network based vehicle dynamics model are disclosed. A particular embodiment includes: training a machine learning system with a training dataset corresponding to a desired autonomous vehicle simulation environment; receiving vehicle control command data and vehicle status data, the vehicle control command data not including vehicle component types or characteristics of a specific vehicle; by use of the trained machine learning system, the vehicle control command data, and vehicle status data, generating simulated vehicle dynamics data including predicted vehicle acceleration data; providing the simulated vehicle dynamics data to an autonomous vehicle simulation system implementing the autonomous vehicle simulation environment; and using data produced by the autonomous vehicle simulation system to modify the vehicle status data for a subsequent iteration.
    Type: Application
    Filed: January 13, 2021
    Publication date: May 6, 2021
    Inventors: Jun CHEN, Wutu LIN, Liu LIU
  • Publication number: 20210130401
    Abstract: The present disclosure provides compounds represented by Formula I: and the pharmaceutically acceptable salts and solvates thereof, wherein R1, R2, R3a, R3b, R4a, R4b, R5a and R5b are as defined as set forth in the specification. The present disclosure also provides compounds of Formula I for use to treat a condition, disease, or disorder responsive to inhibition of the WDR5 interaction with its binding partners including, but not limited to, the WDR5-MLL protein-protein interaction.
    Type: Application
    Filed: May 15, 2018
    Publication date: May 6, 2021
    Inventors: Shaomeng Wang, Yangbing Li, Hacer Karatas, Liu Liu, Jeanne Stuckey, Yali Dou, Liyue Huang, Atsunori Kaneshige
  • Publication number: 20210136669
    Abstract: A base station is disclosed including a receiver that receives an uplink signal in a channel occupancy time initiated by a terminal performing channel listening based on a first listening type and a processor that, when transmitting a downlink signal in the channel occupancy time, performs the channel listening based on a second listening type with which channel access is less difficult than channel access with the first listening type. In other aspects, a terminal and radio communication method for a base station are also disclosed.
    Type: Application
    Filed: January 7, 2021
    Publication date: May 6, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Jing Wang, Liu Liu, Huiling Jiang
  • Publication number: 20210136728
    Abstract: There is provided a base station of a radio communication system including a plurality of base stations communicating with the user equipment, the base station including a generator configured to generate a downlink physical shared channel receivable by a plurality of units of user equipment based on a predetermined ID commonly configured in the plurality of base stations; and a transmitter configured to transmit the generated downlink physical shared channel to the units of user equipment with a predetermined subframe.
    Type: Application
    Filed: January 30, 2017
    Publication date: May 6, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Shimpei Yasukawa, Hiroki Harada, Satoshi Nagata, Liu Liu, Qun Zhao, Huiling Jiang
  • Publication number: 20210136794
    Abstract: The present invention is designed so that, even when communication is made using a plurality of transmission time intervals (TTIs), scheduling requests are transmitted adequately. According to one aspect of the present invention, a user terminal has a transmitting/receiving section that transmits and/or receives using a plurality of transmission time intervals (TTIs) of different durations, and a control section that determines a resource to use to transmit a scheduling request (SR) based on at least one of a first TTI and a second TTI having a shorter TTI duration than the first TTI.
    Type: Application
    Filed: December 26, 2017
    Publication date: May 6, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Liu Liu, Huiling Jiang
  • Publication number: 20210136816
    Abstract: A terminal is disclosed including a receiver that receives first downlink control information (DCI) indicating SRS transmission and second DCI indicating a listening condition for PUSCH transmission and a processor that, when contiguous transmissions of the SRS transmission and the PUSCH transmission are scheduled, changes the listening condition for following PUSCH transmission based on a listening result for the SRS transmission. In other aspects, a base station, a radio communication method, and a system are also disclosed.
    Type: Application
    Filed: January 11, 2021
    Publication date: May 6, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Satoshi Nagata, Jing Wang, Yu Jiang, Lihui Wang, Liu Liu
  • Patent number: 10999044
    Abstract: The present invention is designed so that communication can be carried out properly even when shortened TTIs are used. A user terminal communicates using a first transmission time interval (TTI) and a second TTI which has a shorter TTI duration than the first TTI, and this user terminal has a receiving section that receives first downlink control information which is transmitted from a radio base station per first TTI, and second downlink control information which is transmitted in the second TTI, and a control section that controls simultaneous reception of first downlink data which is based on the first downlink control information, and second downlink data which is based on the second downlink control information, in a same carrier, based on a given condition.
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: May 4, 2021
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Liu Liu, Huiling Jiang
  • Publication number: 20210127341
    Abstract: There is provided user equipment of a radio communication system that supports D2D communication, the user equipment including a receiver configured to receive a predetermined synchronization signal; a synchronization processor configured to perform a process for synchronizing with the predetermined synchronization signal; and a transmitter configured to transmit a synchronization signal in a subframe that is the same as that of a synchronization signal transmitted from any other user equipment when the synchronization signal transmitted from the other user equipment is received by the receiver and received power of the synchronization signal transmitted from the other user equipment is less than a predetermined threshold value, wherein the transmitter interrupts transmission of the synchronization signal for a predetermined time interval, and the receiver measures the received power of the synchronization signal transmitted from the other user equipment in the predetermined time interval.
    Type: Application
    Filed: January 6, 2017
    Publication date: April 29, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Shimpei Yasukawa, Satoshi Nagata, Qun Zhao, Liu Liu, Anxin Li, Huiling Jiang
  • Publication number: 20210127361
    Abstract: A user equipment in a wireless communication system that supports D2D communication includes: a selection unit that selects a first control information resource for transmitting control information from a control information resource pool and selects a first data resource for transmitting data from a data transmission resource pool among radio resources in which the control information resource pool and the data transmission resource pool are continuously set without any limitation in a time direction; and a transmission unit that transmits control information including information that designates the first data resource by using the first control information resource and transmits data by using the first data resource.
    Type: Application
    Filed: January 25, 2017
    Publication date: April 29, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Shimpei Yasukawa, Satoshi Nagata, Qun Zhao, Huiling Jiang, Liu Liu, Anxin Li
  • Patent number: 10993194
    Abstract: The present invention relates to reducing the decrease of uplink throughput in the event a user terminal connects with a plurality of radio base stations. In one aspect of the claimed invention, a user terminal includes a transmitter that performs transmission in a first cell group (CG) and a second CG, and a processor that, if the transmitter reports user terminal capability information indicating that the user terminal is capable of sharing transmission power dynamically and if transmission in the first CG overlaps in time with transmission in the second CG, scales transmission power of the second CG so that total transmission power of the transmission in the first CG and the transmission in the second CG does not exceed maximum allowable power.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: April 27, 2021
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Liu Liu, Lihui Wang, Huiling Jiang
  • Patent number: 10993129
    Abstract: The present invention is designed to measure and/or report CSI (Channel State Information) of a plurality of narrow bands, even when the band to use is limited to a partial narrow band in a system band. According to one aspect of the present invention, a user terminal, in which the band to use is limited to a partial narrow band in a system band, has a receiving section that receives information related to CSI (Channel State Information) measurement in a narrow band, a measurement section that measures CSIs in a plurality of narrow bands based on the information related to CSI measurement, and a transmission section that reports the measured CSIs.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: April 27, 2021
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuaki Takeda, Shimpei Yasukawa, Satoshi Nagata, Hideyuki Moroga, Liu Liu, Qin Mu
  • Patent number: 10993261
    Abstract: To perform listening for uplink transmission at an appropriate timing, on a carrier with setting of listening. A user terminal according to an aspect of the present invention has a transmission section that transmits a signal on a carrier where a listening is performed prior to uplink transmission, a reception section that receives timing information, and a control section that controls execution timing of the listening, on the basis of the timing information.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: April 27, 2021
    Assignee: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Satoshi Nagata, Liu Liu, Yu Jiang
  • Publication number: 20210120563
    Abstract: A terminal is disclosed that includes a receiver that receives a reference signal on each of burst transmissions. In addition, the terminal includes a processor that performs Channel State Information (CSI) measurement using the reference signal, and not to average CSI measurements between the burst transmissions. In other aspects a method for a terminal and a base station are also disclosed.
    Type: Application
    Filed: December 30, 2020
    Publication date: April 22, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Satoshi Nagata, Jing Wang, Liu Liu, Huiling Jiang
  • Publication number: 20210120557
    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: Application
    Filed: March 17, 2017
    Publication date: April 22, 2021
    Applicant: 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: 20210120574
    Abstract: A terminal is disclosed including a receiver that receives a downlink control information and a downlink shared channel that is scheduled by the downlink control information. The terminal also includes a processor that determines an allocation of the downlink shared channel in a time domain based on a first timing indicated by a first time unit and a second timing indicated by a second time unit that are obtained from information notified by the downlink control information. In other aspects, a radio communication method is also disclosed.
    Type: Application
    Filed: March 17, 2017
    Publication date: April 22, 2021
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Qin Mu, Liu Liu, Chongning Na, Xin Wang, Jing Wang, Lihui Wang, Min Liu, Huiling Jiang