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    Transmit Channel Initial Phase Correction Method and Apparatus
    1.
    发明公开
    Transmit Channel Initial Phase Correction Method and Apparatus 审中-公开

    公开(公告)号：US20230208480A1

    公开(公告)日：2023-06-29

    申请号：US18154997

    申请日：2023-01-16

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Xu Jiang ,  Ye Yang ,  Jiapeng Zhang ,  Kai Chen

    IPC: H04B7/0456 ,  H04B7/06

    CPC classification number: H04B7/0456 ,  H04B7/0682

    Abstract: An apparatus: obtains K downlink channel weight matrices based on K pieces of downlink channel information sent by K UEs, where the downlink channel information is fed back by the UE in response to a preset reference signal sent by the base station, the downlink channel weight matrix is an NT×rank-dimensional matrix, and rank is a quantity of signal streams received by the UE; obtains K×rank first initial phase difference matrices and K×rank second initial phase difference matrices based on the K downlink channel weight matrices and a first polarization direction and a second polarization direction of transmit channels of the base station; obtains a cell initial phase difference matrix based on the K×rank first initial phase difference matrices and the K×rank second initial phase difference matrices; and implements initial phase correction of the transmit channels based on the cell initial phase difference matrix.

    POLAR CODE HYBRID AUTOMATIC REPEAT REQUEST METHOD AND APPARATUS
    3.
    发明申请
    POLAR CODE HYBRID AUTOMATIC REPEAT REQUEST METHOD AND APPARATUS 审中-公开

    公开(公告)号：US20180026751A1

    公开(公告)日：2018-01-25

    申请号：US15719832

    申请日：2017-09-29

    Applicant: HUAWEI TECHNOLOGIES CO., LTD.

    Inventor： Bin LI ,  Hui Shen ,  Kai Chen

    IPC: H04L1/08 ,  H03M13/13 ,  H04L1/18

    CPC classification number: H04L1/08 ,  H03M13/13 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/1812

    Abstract: Embodiments of the present invention provide a polar code hybrid automatic repeat request method and an apparatus. The method includes: obtaining, by a communications device, a bit sequence of retransmission information, where the bit sequence of the retransmission information includes K retransmission information bits determined from a bit sequence of first transmission information, the bit sequence of the first transmission information includes N first transmission information bits, N is a positive integer, and K is a positive integer not greater than N; performing, by the communications device, polar code encoding on the bit sequence of the retransmission information, to obtain an encoded retransmission bit sequence; and sending, by the communications device, the encoded retransmission bit sequence to another communications device.

    Coflow identification method and system, and server using method
    6.
    发明授权
    Coflow identification method and system, and server using method 有权

    公开(公告)号：US10567299B2

    公开(公告)日：2020-02-18

    申请号：US16127649

    申请日：2018-09-11

    Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

    Inventor： Zhitang Chen ,  Yanhui Geng ,  Hong Zhang ,  Kai Chen

    IPC: H04L29/06 ,  H04L12/891 ,  G06F16/00 ,  G06N7/00 ,  G06N20/00 ,  H04L12/851 ,  H04L12/927

    Abstract: A coflow identification method includes: obtaining a weighted matrix by means of learning according to historical data in the network, where the weighted matrix is used to minimize a feature distance between data streams belonging to a same coflow and maximize a feature distance between data streams belonging to different coflows; computing a feature distance between any two data streams in the network according to metrics in the data stream layer data feature, the application layer data stream feature distance, the terminal aspect data feature distance, and the weighted matrix; and dividing the data streams in the network into several cluster sets by using a clustering algorithm and according to the feature distance between the any two data streams in the network, where each of the several cluster sets is a coflow.

    Method for Packaging Quad Flat Non-Leaded Package Body, and Package Body
    7.
    发明申请
    Method for Packaging Quad Flat Non-Leaded Package Body, and Package Body 有权
    封装四边形非引线封装体和封装体的方法

    公开(公告)号：US20140203432A1

    公开(公告)日：2014-07-24

    申请号：US14224202

    申请日：2014-03-25

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Kai Chen ,  Zhihua Liu ,  Ran Jiang

    IPC: H01L21/48 ,  H01L23/498

    CPC classification number: H01L21/4828 ,  H01L21/4825 ,  H01L21/4832 ,  H01L23/3107 ,  H01L23/49517 ,  H01L23/49805 ,  H01L24/48 ,  H01L24/73 ,  H01L24/85 ,  H01L2224/32245 ,  H01L2224/48249 ,  H01L2224/73265 ,  H01L2924/00014 ,  H01L2924/12042 ,  H01L2224/48247 ,  H01L2924/00012 ,  H01L2924/00 ,  H01L2224/45099 ,  H01L2224/45015 ,  H01L2924/207

    Abstract: A method for packaging a quad flat non-leaded (QFN) package body. The method includes: etching an upper surface of a metal plate to process a groove to form a bond wire bench, a component bench, and a bump; processing the bump to a preset height, and assembling a component on the component bench; packaging the processed metal plate to form a package body, and exposing the surface of the processed bump on an upper surface of the package body to form a top lead; and etching a lower surface of the package body to process a bottom lead. In the present invention, large passive components can be stacked on the QFN package body with a top lead; the structure is simplified while the reliability of the welding joints is improved; a plurality of components can be stacked through the top lead to overcome the limitations of component stacking.

    Abstract translation: 一种用于封装四边形非引线（QFN）封装体的方法。 该方法包括：蚀刻金属板的上表面以处理凹槽以形成接合线台，组件台和凸块; 将凸块加工成预设高度，并将组件组装在组件台上; 包装加工后的金属板以形成包装体，并且将经处理的凸块的表面暴露在包装体的上表面上以形成顶部引线; 并蚀刻包装体的下表面以处理底部引线。 在本发明中，可以使用顶部引线将大的无源部件堆叠在QFN封装主体上; 简化了结构，提高了焊接接头的可靠性; 可以通过顶部引线堆叠多个部件以克服部件堆叠的限制。

    CHANNEL INFORMATION REPORTING METHOD AND APPARATUS
    8.
    发明公开
    CHANNEL INFORMATION REPORTING METHOD AND APPARATUS 审中-公开

    公开(公告)号：US20240340046A1

    公开(公告)日：2024-10-10

    申请号：US18749286

    申请日：2024-06-20

    Applicant: HUAWEI TECHNOLOGIES CO., LTD.

    Inventor： Ting Li ,  Ruiqi Ma ,  Kai Chen ,  Xiaohan Wang ,  Huangping Jin

    IPC: H04B7/0417 ,  H04B7/0456 ,  H04B7/06

    CPC classification number: H04B7/0417 ,  H04B7/0456 ,  H04B7/0632

    Abstract: Embodiments of this application provide a channel information reporting method and an apparatus. The method includes: A communication apparatus measures a plurality of reference signals from a plurality of radio access network devices, and determines first delay information and first channel information based on the plurality of reference signals; performs delay compensation on the first channel information based on the first delay information, to determine second channel information; determines a precoding matrix indicator (PMI) based on the second channel information, where the PMI indicates the second channel information; and reports the first delay information and the PMI.

    Transmission Path Determining Method and Apparatus
    10.
    发明申请
    Transmission Path Determining Method and Apparatus 审中-公开

    公开(公告)号：US20190319882A1

    公开(公告)日：2019-10-17

    申请号：US16452821

    申请日：2019-06-26

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Feng Yuan ,  Hong Zhang ,  Kai Chen

    IPC: H04L12/803 ,  H04L12/801

    Abstract: Embodiments of this application provide a transmission path determining method and apparatus, where the method includes: determining that a current path corresponding to a flow to which a to-be-transmitted packet belongs is congested; and determining a target path for the to-be-transmitted packet based on a path congestion information table, and adding information about the target path to the to-be-transmitted packet, so as to transmit the to-be-transmitted packet based on the target path, where a congestion degree of the target path is less than a congestion degree of the current path, each entry of the path congestion information table includes a transmission path and congestion information corresponding to the transmission path, and the congestion information is used to indicate a congestion degree of the transmission path.

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