Patents by Inventor Di Zhang

Di 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).

  • Patent number: 11277178
    Abstract: Channel state information (CSI) sending methods, apparatuses, and systems are disclosed. In an implementation, a method comprises: receiving, by a network device from a terminal device, channel state information (CSI) comprising a rank indicator (RI), indication information, and a second precoding matrix indicator (PMI2); determining, by the network device, the RI and the indication information from the CSI; determining, by the network device, the PMI2 based on the RI and the indication information; and determining, by the network device, a precoding matrix W based on the RI and the PMI2, wherein W satisfies W=W1×W2, W is an Nt by L matrix, W1 is an Nt by 2I matrix, W2 is a 2I by L matrix, L is a rank indicated by the RI, Nt is greater than or equal to L, and I is an integer greater than or equal to 1.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: March 15, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Ruiqi Zhang, Xueru Li, Di Zhang
  • Patent number: 11275380
    Abstract: The invention discloses a virtual wall system for mobile devices and implementation method thereof. The virtual wall system for mobile devices includes: communication module: which is mainly used for the transmissions of relevant map information, virtual wall information, positioning information, and task information, and act as a bridge; interaction module: by which users set, add or delete the virtual wall information of any shape through the graphical editing environment, and sends this information to the processing part of the intelligent mobile algorithm; acquisition module: which obtains the virtual wall information provided by the interaction module, stores relevant data. The present needs no additional cost to produce additional auxiliary hardware devices, and is more convenient, flexible and fast for use.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: March 15, 2022
    Assignee: SHANGHAI SLAMTEC CO., LTD.
    Inventors: Jing Bai, Wenhao He, Benniu Ji, Junchao Lv, Di Zhang, Yuxiang Li, Jueshen Huang, Shikai Chen
  • Patent number: 11260371
    Abstract: A catalyst composition comprising—a support comprising TiO2,—a composite oxide containing vanadium and antimony, which has a rutile-type structure different from VSbO4 and V0.92Sb0.92O4 as determined by X-ray diffraction (XRD) analysis with CuK? radiation, and—optionally, one or more selected from the group consisting of oxides of silicon, oxides of vanadium and oxides of antimony, for selective catalytic reduction of nitrogen oxides; to a process for preparing the catalyst composition, to the catalyst composition obtained/obtainable by the process and to use of the same for selective catalytic reduction of nitrogen oxides.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: March 1, 2022
    Assignee: BASF CORPORATION
    Inventors: Feng Zhao, Jia Di Zhang, Liang Chen, Diana Carolina Galeano Nunez, Sabine Huber, Edgar Viktor Huennekes
  • Publication number: 20220060302
    Abstract: This application provides a communication method and a communications apparatus. The method includes: determining first antenna panel information; sending a link failure recovery request message, where the link failure recovery request message indicates the first antenna panel information; and sending an uplink signal based on the first antenna panel information. When a link between a terminal device and a network device fails, and the terminal device requests the network device to recover the link, in the method, information about an antenna panel for sending an uplink signal is indicated by using a link failure recovery request message. For example, the terminal device may indicate, in an explicit or implicit manner, the information (a panel ID) about the antenna panel.
    Type: Application
    Filed: November 8, 2021
    Publication date: February 24, 2022
    Inventors: Di ZHANG, Kunpeng LIU
  • Publication number: 20220061038
    Abstract: Example transmission methods and apparatus are described. One example method includes: determining, by a network device, downlink control information (DCI), wherein the DCI includes a first request field. The first request field indicates sending reference signal from the network device to a terminal device, and the first request field triggers the terminal device to report a measurement result of the reference signal to the network device. The measurement result includes channel state information (CSI) and/or beam state information (BSI). The DCI is sent by the network device to the terminal.
    Type: Application
    Filed: November 5, 2021
    Publication date: February 24, 2022
    Inventors: Jianqin LIU, Di ZHANG
  • Publication number: 20220055018
    Abstract: A method for production of vanadium catalysts, including steps of 1) providing a mixture comprising a TiO2-based support and a composite oxide containing vanadium and antimony; 2) preparing a slurry containing the mixture obtained from step 1), and additive comprising at least one species selected from the group consisting of Si, Al, Zr, Ti, W and Mo, and a solvent; and 3) applying the slurry onto a substrate or processing the slurry into shaped bodies. The vanadium catalysts obtained/obtainable from the method, and use thereof for abatement of nitrogen oxides (NOx).
    Type: Application
    Filed: December 12, 2019
    Publication date: February 24, 2022
    Inventors: Feng ZHAO, Liang CHEN, Jia Di ZHANG, Feng YANG
  • Patent number: 11250229
    Abstract: This disclosure relates to displaying and recognizing two-dimensional codes. In one aspect, a method includes receiving, at a user device, an instruction for displaying a two-dimensional code. The user device obtains multiple two-dimensional codes corresponding to a user. The user device sequentially displays the multiple two-dimensional codes based on one or more predetermined time intervals, so that the multiple two-dimensional codes form a dynamic two-dimensional code on a display page. A ratio of each of the one or more predetermined time intervals to a validity period of each of the multiple two-dimensional codes is less than a predetermined threshold.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: February 15, 2022
    Assignee: Advanced New Technologies Co., Ltd.
    Inventor: Di Zhang
  • Patent number: 11251845
    Abstract: A channel information sending method, a data sending method, and a device are provided, to improve feedback precision of a precoding matrix. These include a receiver that receives a reference signal and a memory, configured to store at least one computer instruction which, when executed by the processor, cause the processor to measure the reference signal from the receiver to obtain first channel information and second channel information and send the first channel information and the second channel information to the second device.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: February 15, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Kunpeng Liu, Di Zhang
  • Patent number: 11240794
    Abstract: This application discloses a method for indicating PDSCH receiving information, a data receiving method, and an apparatus. According to this application, a network device generates first indication information, where the first indication information is used to indicate physical downlink shared channel PDSCH receiving information, and the PDSCH receiving information includes information identical to physical downlink control channel PDCCH receiving information; and the network device transmits the first indication information over a PDCCH. This application can be used to improve efficiency of indicating PDSCH receiving information, thereby improving PDSCH receiving performance.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: February 1, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Di Zhang, Jianqin Liu, Kunpeng Liu
  • Patent number: 11233154
    Abstract: A thin film transistor, a manufacturing method thereof, an array substrate, and a display panel are provided. The thin film transistor includes a semiconductor layer, a source and a drain. The semiconductor layer includes an active layer and a superhydrophobic layer. The active layer includes a source contact, a drain contact and a channel portion. The source corresponds to the source contact, and the drain corresponds to the drain contact. The superhydrophobic layer is disposed on a surface of the active layer proximal to the source and the drain. The superhydrophobic layer includes a plurality of multi-level nanostructures protruding from the surface of the active layer, and the superhydrophobic layer at least covers a channel portion of the active layer.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: January 25, 2022
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Di Zhang
  • Publication number: 20220019444
    Abstract: An electronic device is disclosed, including a first set of processor cores including at least one processor core and a second set of processor cores including at least one processor core. The electronic device is configured such that during initialization of the electronic device: the first set of processor cores executes first initialization instructions in a first execution environment, the second set of processor cores executes second initialization instructions in a second execution environment, and the first set and the second set at least one of read or write to a shared register.
    Type: Application
    Filed: September 28, 2021
    Publication date: January 20, 2022
    Inventors: Di ZHANG, Sarathy JAYAKUMAR, Vincent ZIMMER, Fei LI, Bo HE, Zhuangzhi LI, Zhi JIN, Lin CHEN, Guomin JIANG
  • Publication number: 20220022274
    Abstract: This application provides a link failure recovery method and apparatus. When a link failure occurs and link recovery is performed, if a terminal device determines that no new link is identified, according to the method, the terminal device may report, to a network device, an identifier of a cell in which the link failure occurs and information indicating whether a new link is identified for each cell. The network device may reconfigure a new resource set based on the information, and notify the terminal device of the new resource set by using downlink control information DCI. In other words, a reference signal in another resource set is triggered by using the DCI, and the reference signal in the resource set is reported for link recovery.
    Type: Application
    Filed: September 29, 2021
    Publication date: January 20, 2022
    Inventors: Di ZHANG, Kunpeng LIU
  • Publication number: 20220015085
    Abstract: This application discloses a communication method and an apparatus, and relates to the communication field, so that a network device and a terminal device determine a mapping relationship between spatial correlation parameters and transport blocks when the transport blocks are repeatedly sent. The communication method includes: receiving first indication information, where the first indication information is used to indicate K spatial correlation parameters for receiving a transport block carried on N resources, K and N are integers greater than 1, and K?N; determining a mapping relationship between the K spatial correlation parameters and the N resources; and receiving the transport block on the N resources based on the mapping relationship.
    Type: Application
    Filed: September 27, 2021
    Publication date: January 13, 2022
    Inventors: Di ZHANG, Kunpeng LIU
  • Patent number: 11219859
    Abstract: The present disclosure relates to a catalyst for NOx removal. In some embodiments, the catalyst comprises a support comprising at least one selected from the group consisting of TiO2, Al2O3, SiO2, ZrO2, CeO2, zeolite, TiO2 and WO3, and combinations thereof, and catalytically active components supported on the support. The catalytically active components comprise vanadium, antimony and at least one further component selected from the group consisting of silicon, aluminum and zirconium.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: January 11, 2022
    Assignee: BASF Corporation
    Inventors: Liang Chen, Feng Zhao, Jia Di Zhang, An Ju Shi, Shau-Lin Frank Chen, Miao Mark Chen
  • Publication number: 20220007215
    Abstract: This application provides a link failure recovery method and apparatus. A terminal may send first request information to a network device on a same resource (namely, a first resource) when detecting that a link of any one of a plurality of cells fails or links of any more than one of the plurality of cells fail, to notify the network device that a link of at least one of the L cells fails. In this way, in a multi-carrier scenario, compared with resource overheads in a solution in which when a link of each cell fails, one resource is occupied to send one piece of request information, resource overheads are reduced in embodiments of this application.
    Type: Application
    Filed: September 17, 2021
    Publication date: January 6, 2022
    Inventors: Di ZHANG, Kunpeng LIU
  • Patent number: 11218248
    Abstract: The present application relates to the technical field of wireless communication, and particularly relates to a channel encoding method and device, for use to solve the problem that at present, there is no physical broadcast channel polar encoding method in a 5G scene. Embodiments of the present application relate to determining a polar mother code length according to transmission resources of a channel; performing polar encoding, according to the polar mother code length, on data needing to be transmitted over the channel to obtain target encoding data; processing the target encoding data according to the length of an actual bearer of the transmission resources; and determining, according to the processed target encoding data, encoding data needing to be transmitted over the channel.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: January 4, 2022
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Jiaqing Wang, Fang-Chen Cheng, Di Zhang, Shaohui Sun
  • Patent number: 11215894
    Abstract: The present application discloses a display panel, a method for manufacturing a display panel, and a display device. The display panel includes a first substrate and a second substrate opposite the first substrate, a patterned black matrix layer between the first substrate and the second substrate, where the patterned black matrix layer includes a hollow area, and an array of signal lines on a side of the first substrate adjacent to the second substrate. The array of signal lines includes a feedback signal line for common electrode and a clock signal line. The display panel is divided into a display region in a center of the display panel and a frame region surrounding the display region. An orthographic projection of at least one of the first region and the second region on the first substrate at least partially overlaps an orthographic projection of the hollow area on the first substrate.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: January 4, 2022
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD, BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Di Zhang
  • Publication number: 20210387145
    Abstract: The present invention relates generally to the field of exhaust treatment systems for purifying exhaust gas discharged from a lean burn engine. The exhaust treatment system comprises a Diesel Oxidation Catalyst (DOC), a Catalyzed Soot Filter (CSF), a reductant injector, an AEI zeolite based Selective Catalyzed Reduction (SCR) catalyst and an Ammonia Oxidation Catalyst (AMOX) downstream to the AEI zeolite based SCR catalyst.
    Type: Application
    Filed: October 24, 2019
    Publication date: December 16, 2021
    Applicant: BASF Corporation
    Inventors: Stefan MAURER, Jia Di ZHANG, Yu DAI, Yu Fen HAO, Ming Ming WEI, Teng SHEN
  • Publication number: 20210385832
    Abstract: Embodiments of this application provide an information indication method and apparatus, to implement indication of transmission configuration indication information and data transmission in a multi-beam transmission scenario. In the method and the apparatus, a network device sends configuration information to a terminal device, to configure M transmission configuration indicator TCI states; the network device sends first indication information to the terminal device, where the first indication information is used to indicate A TCI states in the M TCI states; the network device sends second indication information to the terminal device, to indicate a first codepoint, where the first codepoint is determined by the network device based on at least one TCI state and according to a preset mapping rule between a TCI state and a codepoint; and the network device communicates with the terminal device based on the at least one TCI state.
    Type: Application
    Filed: August 16, 2021
    Publication date: December 9, 2021
    Inventors: Di ZHANG, Kunpeng LIU
  • Patent number: 11196494
    Abstract: An interference power measurement method and a device are provided. The method includes: receiving, by a terminal, first signaling that carries first indication information, where the first indication information is used to indicate n first channel state information-reference signal CSI RS resources, and a jth first CSI RS resource is associated with a power parameter Pc,j; and sending, by the terminal, a channel quality indicator CQI, where the CQI is determined based on a total interference power. The total interference power is a linear weighting result of an interference power measured on each of the n first CSI RS resources and an interference power I0 measured on a zero power CSI RS resource. A weighting coefficient of an interference power Ij measured on the jth first CSI RS resource is a function of the power parameter Pc,j, and a weighting coefficient of I0 is a function of 1 - ? j = 1 n ? P c , j .
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: December 7, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Xueru Li, Ruiqi Zhang, Di Zhang, Yongxing Zhou