Patents by Inventor Zhi Zhang

Zhi Zhang 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: 20200367081
    Abstract: A method for wireless communication includes that: a terminal reports at a first protocol layer a first event to a second protocol layer; the first event indicates that quality of a signal in a first signal set is bad enough to satisfy a first condition; determines at the second protocol layer occurrence of a second event when a number of times that the first event has successively occurred exceeds a threshold; and sends a first message to a network device, the first message indicates a signal in the second signal set, of which signal quality is good enough to satisfy a third condition; occurrence of the first event includes occurrence of beam failure instance, the occurrence of the second event includes occurrence of beam failure, and the second event indicates that link quality corresponding to the signal in the first signal set is bad enough to satisfy a second condition.
    Type: Application
    Filed: July 30, 2020
    Publication date: November 19, 2020
    Inventors: ZHIHUA SHI, WENHONG CHEN, ZHI ZHANG
  • Publication number: 20200359424
    Abstract: A method for link reconfiguration includes that: the terminal device selects a target signal from a second signal set when a beam failure occurs, where the beam failure includes that quality of a signal in a first signal set satisfies a first condition, the first condition includes that the quality of the signal is worse than a threshold, and quality of the target signal is good enough to satisfy a second condition; the terminal device determines a physical random access channel (PRACH) sequence the resource corresponding to the target signal according to associations between signals in the second signal set and PRACH sequences and resources; and the terminal device sends a first request to a network device through the PRACH sequence and resource corresponding to the target signal, where the first request is used to notify the network device of information about the target signal selected by the terminal device.
    Type: Application
    Filed: July 30, 2020
    Publication date: November 12, 2020
    Inventors: ZHIHUA SHI, WENHONG CHEN, ZHI ZHANG
  • Publication number: 20200359399
    Abstract: A method and an apparatus for identifying interference in a wireless communication system are provided. The method for identifying interference in a wireless communication system of a user equipment includes receiving scheduling information from a network node and detecting whether an intermodulation (IM) interference is going to occur according to the scheduling information.
    Type: Application
    Filed: November 29, 2018
    Publication date: November 12, 2020
    Inventor: Zhi Zhang
  • Publication number: 20200359297
    Abstract: A method of route construction of an unmanned aerial vehicle (UAV) network includes: obtaining transmission information of the UAV network; determining a relay set from the UAV network based on the transmission information; wherein, the relay set includes at least one UAV; determining environment state parameters according to the transmission information and the information of the relay set; inputting the environment state parameters into a Deep Q-Learning network (DQN) to obtain an accumulated reward corresponding to each UAV; and selecting a UAV with the largest accumulated reward as a target UAV. This disclosure also discloses a UAV and computer readable storage medium that can be used to construct routes for a UAV network.
    Type: Application
    Filed: July 27, 2020
    Publication date: November 12, 2020
    Inventors: Wenjun XU, Chunlei HUANG, Zhi ZHANG, Shaosheng LI, Ping ZHANG, Jiaru LIN
  • Patent number: 10826639
    Abstract: The present disclosure provides an orthogonal codes based code division multiplexing method of performing the code division multiplexing of demodulation reference signals in multiple layers of resource blocks by using orthogonal matrices, the method comprising: changing the order of chips in particular rows of a first orthogonal matrix to obtain a second orthogonal matrix with the changed order of chips; and multiplying the chips in respective rows of the second orthogonal matrix by the demodulation reference signals in corresponding layers of resource blocks correspondingly in the time direction to obtain code division multiplexing signals. The technical scheme of the present disclosure can improve the power jitter situation of downlink signals on the time, thereby the usage efficiency of the power amplifier at the base station side can be improved.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: November 3, 2020
    Assignee: Sun Patent Trust
    Inventors: Zhi Zhang, Ming Xu, Masayuki Hoshino, Seigo Nakao, Daichi Imamura
  • Patent number: 10825396
    Abstract: The present disclosure provides a pixel driving circuit and method thereof, a display driving circuit and method thereof, and a display panel. The pixel driving circuit includes: a first pixel driving sub-circuit configured to provide a driving signal to a driving signal output terminal in a first period and perform threshold voltage compensation on a second pixel driving sub-circuit in a second period under control of signals at a first scanning signal terminal, a first control signal terminal, and a first data signal terminal; and the second pixel driving sub-circuit configured to provide a driving signal to the driving signal output terminal in the second period and perform threshold voltage compensation on the first pixel driving sub-circuit in the first period under control of signals at a second scanning signal terminal, a second control signal terminal, and a second data signal terminal.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: November 3, 2020
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuai Chen, Zhi Zhang, Xiuzhu Tang, Xing Dong, Zhenguo Tian, Xuebo Liang, Ying Huang, Jianfeng Yuan
  • Publication number: 20200336944
    Abstract: A link reconfiguration processing method and related products are provided. The method includes: a network device indicates a preset parameter set to a terminal device, the preset parameter set being configured for a bandwidth part (BWP) of the terminal device, and the preset parameter set is used for performing corresponding processing operations by the terminal device during transmission over the BWP.
    Type: Application
    Filed: July 8, 2020
    Publication date: October 22, 2020
    Inventors: ZHIHUA SHI, WENHONG CHEN, ZHI ZHANG
  • Publication number: 20200336988
    Abstract: Provided are a data transmission method, a terminal device and a network device. The method comprises: a terminal device receiving indicator information, said indicator information being used for the terminal device to determine a first transmission power for uplink data in a target time unit; the terminal device determining the first transmission power according to the indicator information; the terminal device sending uplink data to a first network device in accordance with the first transmission power in the target time unit. A data transmission method embodied in the present invention can effectively increase a data transmission success rate.
    Type: Application
    Filed: October 13, 2017
    Publication date: October 22, 2020
    Inventors: Ning YANG, Zhi ZHANG
  • Patent number: 10810921
    Abstract: The present disclosure provides a GOA circuit, a method for driving the GOA circuit, and a display panel. The GOA circuit includes a plurality of GOA sub-circuits. Each GOA sub-circuit includes a plurality of cascaded shift register units. Each of the GOA sub-circuits is connected to an independent start signal terminal, and the start signals of different GOA sub-circuits are separated by a time interval for acquisition of touch signals.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: October 20, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., Chongqing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Zhenguo Tian, Zhihui Wang, Shuai Chen, Shuang Hu, Lijun Xiong, Xing Dong, Xiuzhu Tang, Zhi Zhang, Taoliang Tang, Jingpeng Zhao
  • Publication number: 20200329465
    Abstract: Method of scrambling signals, transmission point device, and user equipment using the method are provided. The method includes: sending an ID table to a user equipment through higher layer signaling, the ID table being a subset of the whole ID space and containing available IDs for the user equipment; notifying the user equipment an ID in the ID table to be used through physical layer signaling or UE specific higher layer signaling; generating a random seed based on the notified ID; initializing a scrambling sequence by the random seed; and scrambling the signals with the initialized scrambling sequence. The method of the disclosure, by combining physical layer signaling and higher layer signaling, may notify the used group ID and the blind detection space to a UE, wherein the blind detection for the UE is enabled and the signaling overhead is reduced.
    Type: Application
    Filed: June 25, 2020
    Publication date: October 15, 2020
    Inventors: Zhi Zhang, Ming Xu, Masayuki Hoshino, Daichi Imamura, Akihiko Nishio
  • Publication number: 20200322903
    Abstract: Embodiments of this application disclose power control method, a terminal device, and a network device. The method includes: determining, by a terminal device, a first downlink reference signal (DL RS) resource group corresponding to a first bandwidth part (BWP), where the first DL RS resource group includes at least one DL RS resource; and determining, by the terminal device according to a signal corresponding to the at least DL RS resource in the first DL RS resource group, a path loss value used to calculate a transmit power for to-be-transmitted uplink data. The method, the terminal device, and the network device of the embodiments of this application help to improve system performance.
    Type: Application
    Filed: June 23, 2020
    Publication date: October 8, 2020
    Inventors: Zhihua SHI, Wenhong CHEN, Zhi ZHANG
  • Publication number: 20200322862
    Abstract: Disclosed are an auxiliary serving cell management method, a network device, a terminal device, and a computer storage medium. The method comprises: receiving auxiliary information reported by a terminal device; and triggering adjustment of a cell and/or beam for the terminal device on the basis of the auxiliary information.
    Type: Application
    Filed: October 11, 2017
    Publication date: October 8, 2020
    Inventors: Ning YANG, Zhi ZHANG
  • Publication number: 20200322106
    Abstract: Disclosed in the embodiments of the present application are a parameter configuration method and related products, the method includes: receiving, by a terminal, at least one preset parameter of a phase tracking reference signal PT-RS from a network device, wherein the at least one preset parameter of the PT-RS is configured for at least one bandwidth part BWP of the terminal, and the at least one preset parameter is used for indicating resource information that needs to be used by the terminal when the terminal sends or receives the PT-RS on the at least one BWP.
    Type: Application
    Filed: June 17, 2020
    Publication date: October 8, 2020
    Inventors: Zhihua SHI, Wenhong CHEN, Zhi ZHANG
  • Publication number: 20200314768
    Abstract: Implementations of the present disclosure provide a wireless communication method and devices. The method comprises: a terminal device obtains maximum sending power and/or transmit power control (TPC) information corresponding to each sounding reference signal (SRS) resource set in at least one SRS resource set; and sends an SRS by using SRS resources in each SRS resource set on the basis of the maximum sending power and/or TPC information corresponding to each SRS resource set.
    Type: Application
    Filed: June 16, 2020
    Publication date: October 1, 2020
    Inventors: Zhihua Shi, Wenhong Chen, Zhi Zhang
  • Patent number: 10789868
    Abstract: The present disclosure proposes a shift register circuit and a method for driving the same, a gate driving circuit and a method for driving the same, and a display apparatus. The shift register circuit comprises an input circuit, a reset circuit, a control circuit and a multi-output circuit.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: September 29, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Zhenguo Tian, Shuai Chen, Xiuzhu Tang, Shuang Hu, Lijun Xiong, Xing Dong, Taoliang Tang, Xuebo Liang, Zhi Zhang
  • Publication number: 20200301505
    Abstract: A display device includes an eyeball tracking inductor, a display panel and a processor, where the processor is electrically connected to the eyeball tracking inductor and the display panel separately; the eyeball tracking inductor is configured to identify user eyeball image information; the processor is configured to determine a gaze region and a split view region of a user viewing the display panel, according to the user eyeball image information, control the gaze region to be displayed at a first resolution, and control the split vision region of the display panel to be displayed at a second resolution, where the first resolution is greater than the second resolution.
    Type: Application
    Filed: June 8, 2020
    Publication date: September 24, 2020
    Inventors: Shuang CHENG, Jinghua NIU, Mingzhi DAI, Yinhe LIU, Yuhao LIU, Zhi ZHANG, Jianyun WANG
  • Publication number: 20200305125
    Abstract: A wireless communications method and device are provided. The method and device lower bit overheads and reduce the complexity of terminal processing in the sending of a synchronization signal (SS) block. The method includes determining that a first indication field in a physical broadcasting channel (PBCH) included in a first SS block is used to indicate a physical resource block (PRB) grid offset between channels or signals of an SS block and a non-SS block or indicate resource information of a second SS block. The method further includes sending the first SS block, wherein when it is determined that the first indication field is used to indicate the resource information of the second SS block, the first indication field in the first SS block indicates the resource information of the second SS block.
    Type: Application
    Filed: June 4, 2020
    Publication date: September 24, 2020
    Applicant: Guangdong OPPO Mobile Telecommunications Corp., Ltd.
    Inventors: Hai Tang, Zhi Zhang
  • Patent number: 10783816
    Abstract: An amplitude control main circuit, a voltage supply modular circuit, a display device, and an amplitude control method are provided. The amplitude control main circuit includes a variable resistive circuit, an output control circuit and a gate-driving-power-voltage output terminal; the output control circuit is connected to an output control terminal, a voltage input terminal, the gate-driving-power-voltage output terminal, and the variable resistive circuit, and controls, under control of the output control terminal, the gate-driving-power-voltage output terminal to be connected to the voltage input terminal directly or via the variable resistive circuit; a control terminal, a first terminal, and a second terminal of the variable resistive circuit are connected to a resistance control terminal, the output control circuit, and the gate-driving-power-voltage output terminal, respectively, and a resistance value of the variable resistive circuit is changed under control of the resistance control terminal.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: September 22, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xing Dong, Heecheol Kim, Zhi Zhang, Xiuzhu Tang, Shuai Chen, Lijun Xiong, Jingpeng Zhao, Taoliang Tang, Min Ran
  • Patent number: 10785750
    Abstract: Methods for triggering a user equipment (UE) to monitor a paging message, user equipments, base stations, and storage medium are provided. A method for triggering a user equipment (UE) to monitor a paging message, carried out in the UE, the method comprising: acquiring a correspondence between the UE and a time-frequency resource, where a trigger message for the UE locates, of a broadcast channel; receiving the trigger message from a base station via a time-frequency resource of a broadcast channel according to the correspondence; and triggering monitoring of the paging message for the UE.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: September 22, 2020
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Zhi Zhang, Zhihua Shi
  • Patent number: 10775653
    Abstract: The disclosure discloses an array substrate, a liquid crystal panel, and a process of fabricating the array substrate. The array substrate includes an orientation film, an upper electrode, a lower electrode, and an intermediate electrode located between the upper electrode and the lower electrode, wherein the intermediate electrode is configured to have drive voltage applied thereto when there is zero relative voltage between the upper electrode and the lower electrode, so that an electric field is generated between the intermediate electrode and the lower electrode, and a direction of the electric field is parallel to an orientation direction of the orientation film.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: September 15, 2020
    Assignees: BOE Technology Group Co., Ltd., Chongqing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Yanli Zhao, Xiaoji Li, Zhi Zhang, He Sun, Xing Dong, Lijun Xiong, Tae Yup Min