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).

  • TIME DOMAIN POSITION DETERMINATION METHOD AND APPARATUS, TERMINAL, COMPUTER-READABLE MEDIUM, AND CHIP
    Publication number: 20220240320
    Abstract: Embodiments of the present disclosure disclose a time domain position determination method. The method includes: obtaining, by a terminal, first indication information and second indication information, the first indication information indicating a starting position of a Fixed Frame Period (FFP), the second indication information indicating a time domain length of the FFP; and determining time domain positions of the FFP based on the starting position of the FFP and the time domain length of the FFP. Embodiments of the present disclosure further disclose a time domain position determination apparatus, a terminal, a computer-readable medium, a chip, and a computer program product.
    Type: Application
    Filed: April 18, 2022
    Publication date: July 28, 2022
    Inventor: Zhi Zhang
  • Resource configuration method, terminal device, and network device
    Patent number: 11395305
    Abstract: Embodiments of this application relate to a resource configuration method, a terminal device, and a network device. The method includes: determining a frequency domain offset between a plurality of transmission resource chunks allocated by a network device, where the frequency domain offset is a frequency domain offset between a first transmission resource chunk and a second transmission resource chunk, and the first transmission resource chunk and the second transmission resource chunk are any two consecutive resource chunks on an uplink transmission in the plurality of transmission resource chunks; and determining the plurality of transmission resource chunks according to the frequency domain offset, wherein the plurality of transmission resource chunks are configured for a frequency hopping transmission.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: July 19, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Zhihua Shi, Wenhong Chen, Zhi Zhang
  • Deblocking of video picture boundaries
    Patent number: 11388400
    Abstract: Methods and apparatuses for applying a deblocking to a coding unit in video pictures. In one aspect, the deblocking is applied to sub-block boundaries in the coding unit and to implicit transform unit boundaries in the coding unit.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: July 12, 2022
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Kenneth Andersson, Rickard Sjöberg, Jacob Ström, Zhi Zhang
  • PARAMETER DETERMINING METHOD AND RELATED APPARATUS
    Publication number: 20220217691
    Abstract: A parameter determination method includes: determining, by a user equipment (UE), a first parameter of a first downlink control information (DCI) according to first information, wherein the first information comprises at least one of a cell-specific first physical uplink shared channel (PUSCH) configuration, a UE-specific second PUSCH configuration, and a parameter of the first DCI other than the first parameter.
    Type: Application
    Filed: March 25, 2022
    Publication date: July 7, 2022
    Inventor: Zhi ZHANG
  • METHOD FOR SHARING CHANNEL OCCUPANCY TIME USING LISTEN BEFORE TALK CATEGORY 1 AND DEVICE
    Publication number: 20220217777
    Abstract: A method for sharing channel occupancy time (COT) using listen before talk category 1 (LBT CAT1) and a device are provided in implementations of the disclosure. The method includes the following. A first device establishes an initiation COT (INIT_COT). The first device shares the INIT_COT with a second device, where the INIT_COT is obtained with the LBT CAT1 by the second device and is used for the second device to perform data transmission within the INIT_COT, and a time length of the data transmission is less than or equal to a time length X.
    Type: Application
    Filed: March 25, 2022
    Publication date: July 7, 2022
    Inventor: Zhi ZHANG
  • INFORMATION TRANSMISSION METHOD AND APPARATUS, RELEVANT DEVICE, AND STORAGE MEDIUM
    Publication number: 20220217757
    Abstract: Disclosed in embodiments of the present application are an information transmission method and apparatus, a terminal, a network device, and a storage medium. The method comprises: a terminal receives first information sent by a network device by means of downlink control information (DCI); the terminal determines, by using the first information, a time during which a channel can be occupied from a first moment.
    Type: Application
    Filed: March 25, 2022
    Publication date: July 7, 2022
    Inventor: Zhi ZHANG
  • Deblocking between block boundaries and sub-block boundaries in a video encoder and/or video decoder
    Patent number: 11381845
    Abstract: A deblocking the method. The method includes deblocking a block boundary between a first block, B1, and a second block, B2, with the restriction that not more than 5 samples are modified on the B2 side of the block boundary as a result of the deblocking. The deblocking method also includes deblocking a sub-block boundary within the B2 block such that not more than 2 samples on the side of the sub-block boundary within the B2 block that is closest to the block boundary between B1 and B2 are modified by the deblocking.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: July 5, 2022
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Kenneth Andersson, Rickard Sjöberg, Zhi Zhang
  • Rotary fatigue tester with complex loads
    Patent number: 11378501
    Abstract: A rotary fatigue tester with complex loads includes a pump, a first motor, a second motor, a circulatory loop, an experimental kettle body, and a holding device. The experimental kettle body is a cylindrical tank, the circulatory loop is located on the experimental kettle body, a pump is located within the circulatory loop and is connected with a corrosive gas pipeline; the holding device is located within the experimental kettle body for fixing a test piece, a force-bearing pole is located at one side of the experimental kettle body for applying a shear force to the test piece, the holding device and the force-bearing pole are connected with the first motor and the second motor respectively. The rotary fatigue tester is able to simultaneously apply the axial alternating load and tangential alternating load to the test piece, for simulating the force of the test piece under complex loads.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: July 5, 2022
    Assignee: Southwest Petroleum University
    Inventors: Zhi Zhang, Yuanjin Zhao, Duo Hou, Nan Cai, Xiankang Zhong, Pengfei Sang, Jian Ding, Jinming Liu, Jiawei Wang
  • TEMPLATE MATCHING IN VIDEO CODING
    Publication number: 20220210438
    Abstract: A video decoder may be configured to determine a motion vector and a motion vector precision for a current block; identify a current block template within the current picture; search within a search area for a final reference block template that corresponds to the current block template, wherein to search within the search area, the one or more processors are further configured to: identify an initial reference block template based on the motion vector, search other reference block templates around the initial reference block template using a step size that is set to an initial step size, and iteratively reduce the step size from the initial step size until the step size is set to a final step size that equals the motion vector precision; determine a prediction block for the current block based on the final reference block template.
    Type: Application
    Filed: December 21, 2021
    Publication date: June 30, 2022
    Inventors: Chun-Chi Chen, Han Huang, Zhi Zhang, Vadim Seregin, Marta Karczewicz
  • INFORMATION INDICATION METHOD AND RELATED DEVICES
    Publication number: 20220200762
    Abstract: Provided are an information indication method and related devices. The method includes the following. A network device determines whether a physical uplink control channel (PUCCH) transmission corresponding to a first PUCCH format uses an interlace. If the network device determines that the PUCCH transmission corresponding to the first PUCCH format uses an interlace, the network device transmits indication information to a terminal, where the indication information indicates to the terminal information of the interlace used by the PUCCH transmission corresponding to the first PUCCH format.
    Type: Application
    Filed: March 8, 2022
    Publication date: June 23, 2022
    Inventor: Zhi ZHANG
  • MULTI-PASS DECODER-SIDE MOTION VECTOR REFINEMENT
    Publication number: 20220201315
    Abstract: Example devices and techniques for multi-pass decoder-side motion vector refinement (DMVR) are disclosed. An example device includes memory configured to store video data and one or more processors coupled to the memory. The one or more processors are configured to apply a multi-pass DMVR to a motion vector for a block of the video data to determine at least one refined motion vector and decode the block based on the at least one refined motion vector. The multi-pass DMVR includes a block-based first pass, a sub-block-based second pass, and a sub-block-based third pass.
    Type: Application
    Filed: December 20, 2021
    Publication date: June 23, 2022
    Inventors: Zhi Zhang, Han Huang, Chun-Chi Chen, Yan Zhang, Vadim Seregin, Marta Karczewicz
  • APPARATUS AND METHOD OF WIRELESS COMMUNICATION
    Publication number: 20220201753
    Abstract: An apparatus and a method of wireless communication are provided. The method by a user equipment (UE) includes determining, based on a signaling from a base station, a combination of a listen before talk (LBT) type, a cyclic prefix (CP) extension, and a channel access priority class (CAPC) for an uplink transmission to the base station. This can solve issues in the prior art, provide an indication of LBT related information for a UE, provide a method for indicating an LBT type, a length of a CP extension, and a CAPC in an uplink grant, provide a good communication performance, and/or provide high reliability.
    Type: Application
    Filed: March 14, 2022
    Publication date: June 23, 2022
    Inventor: Zhi ZHANG
  • BI-DIRECTIONAL OPTICAL FLOW IN VIDEO CODING
    Publication number: 20220201313
    Abstract: A method of decoding video data includes determining that bi-directional optical flow (BDOF) is enabled for a block of the video data; dividing the block into a plurality of sub-blocks based on the determination that BDOF is enabled for the block, determining, for each sub-block of one or more sub-blocks of the plurality of sub-blocks, respective distortion values, determining that one of per-pixel BDOF is performed or BDOF is bypassed for each sub-block of the one or more sub-blocks of the plurality of sub-blocks based on the respective distortion values, determining prediction samples for each sub-block of the one or more sub-blocks based on the determination of per-pixel BDOF being performed or BDOF being bypassed, and reconstructing the block based on the prediction samples.
    Type: Application
    Filed: December 20, 2021
    Publication date: June 23, 2022
    Inventors: Zhi Zhang, Han Huang, Chun-Chi Chen, Yan Zhang, Vadim Seregin, Marta Karczewicz
  • Data transmission method, terminal device, and network device
    Patent number: 11368924
    Abstract: Provided are a data transmission method, a terminal device, and a network device. A terminal device determines a first transmission power for uplink data, the first transmission power being less than or equal to a second transmission power, and the second transmission power being a transmission power that is determined by the terminal device according to anti-interference capability of the terminal device; the terminal device determines a first modulation and coding scheme (MCS) of the uplink data according to the first transmission power; and the terminal device sends the uplink data to a network device according to the first MCS.
    Type: Grant
    Filed: October 14, 2017
    Date of Patent: June 21, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Ning Yang, Zhi Zhang
  • Wireless communication method, terminal device and network device
    Patent number: 11368965
    Abstract: Disclosed in the embodiments of the present disclosure are a wireless communication method, a terminal device and a network device. The method includes a terminal device that determines a first frequency domain resource within a pre-configured resource block (RB) range; and performs interference measurement or received energy measurement over the first frequency domain resource.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: June 21, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Zhihua Shi, Wenhong Chen, Zhi Zhang
  • Display device and display driving method for a display panel
    Patent number: 11360556
    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: Grant
    Filed: June 8, 2020
    Date of Patent: June 14, 2022
    Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Shuang Cheng, Jinghua Niu, Mingzhi Dai, Yinhe Liu, Yuhao Liu, Zhi Zhang, Jianyun Wang
  • Wireless communication method and device
    Patent number: 11362717
    Abstract: A wireless communication method and device are provided. The method comprises the following operations. A terminal device sends first information to a network device. The first information indicates a switching mode supported by the terminal device and/or a performance parameter value corresponding to the supported switching mode, the switching mode indicates a manner in which the terminal device switches from one transmission mode to another transmission mode, and the transmission mode indicates the number of transmitters and the number of receivers used by the terminal device.
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: June 14, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Zhi Zhang
  • Touch control substrate, method for fabricating the same, and touch control display device
    Patent number: 11360610
    Abstract: A touch control substrate, a method for fabricating the same, and a touch control display device are provided. The touch control substrate includes a touch control region and a peripheral region surrounding the touch control region. Signal traces and a shielding wire are provided in the peripheral region, the shielding wire being configured to shield interference of the signal traces to the touch control region.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: June 14, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Wenjin Fan, Lei Zhang, Tsungchieh Kuo, Zhi Zhang, Xiaoyue He
  • MATRIX MULTIPLICATION PROCESS FOR MATRIX BASED INTRA PREDICTION (MIP)
    Publication number: 20220182632
    Abstract: A MIP method (700) for predicting samples of a current block. The method includes storing (s702) a set of MIP weight matrices. The method also includes determining (s704) the width, W, and the height, H, of the current block. The method further includes setting (s706) a mipSizeId variable to 1 as a result of: i) determining that W=4 storing a set of MIP weight matrices and H=16 or ii) determining that W=16 and H=4. The method further includes storing (s708) a value, predModeIntra, that specifies a MIP prediction mode for the current block. The method further includes determining (s710), based on predModeIntra and the value of the mipSizeId variable, a modeId value. And the method further includes selecting (s712), from the set of MIP weight matrices, a MIP weight matrix to be used for the current block, wherein the selection is based on modeId and the value of the mipSizeId variable.
    Type: Application
    Filed: July 22, 2020
    Publication date: June 9, 2022
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Zhi ZHANG, Ruoyang YU, Rickard SJÖBERG, Kenneth ANDERSSON, Jacob STRÖM, Davood SAFFAR
  • Radio communication method and device
    Patent number: 11356963
    Abstract: A radio communication method and device are provided. The method includes: a network device sending first information to a terminal device, the first information including a first bitmap corresponding to a plurality of first synchronization signal blocks, and the first bitmap being used for identifying at least one second synchronization signal block in the plurality of first synchronization signal blocks; the network device obtaining a second bitmap corresponding to at least one second synchronization signal block based on the first bitmap, the second bitmap being used for identifying at least one third synchronization signal block in at least one second synchronization signal block; and the network device sending second information including the second bitmap to the terminal device.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: June 7, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Zhihua Shi, Zhi Zhang