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    Apparatus and method for channel coding in communication system
    21.
    发明授权
    Apparatus and method for channel coding in communication system 有权

    公开(公告)号：US11374591B2

    公开(公告)日：2022-06-28

    申请号：US17161539

    申请日：2021-01-28

    Applicant: HUAWEI TECHNOLOGIES CO., LTD.

    Inventor： Chen Zheng ,  Liang Ma ,  Xiaojian Liu ,  Yuejun Wei ,  Xin Zeng

    IPC: H03M13/11 ,  H03M13/00 ,  H04L1/00

    Abstract: This application relates to communicating information between communication devices. A channel coding method is disclosed. A communication device obtains an input sequence of K bits. The communication device encodes the input sequence using a low density parity check (LDPC) matrix H, to obtain an encoded sequence. The LDPC matrix H is determined according to a base matrix and a lifting factor Z. The base matrix includes m rows and n columns, m is greater than or equal to 5, and n is greater than or equal to 27. The lifting factor Z satisfies a relationship of 22*Z≥K. According to the encoding method provided in the embodiments, information bit sequences of a plurality of lengths can be encoded for transmission between the communication devices.

    Communication method and communications apparatus
    22.
    发明授权
    Communication method and communications apparatus 有权

    公开(公告)号：US11368241B2

    公开(公告)日：2022-06-21

    申请号：US16787958

    申请日：2020-02-11

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Liang Ma ,  Xin Zeng ,  Chen Zheng ,  Xiaojian Liu ,  Yuejun Wei

    IPC: H04L1/00 ,  H03M13/11 ,  H03M13/00

    Abstract: Embodiments of this application disclose a communication method and a communications apparatus. The method includes: determining an encoding matrix type of a first sequence based on a modulation and encoding scheme (MCS) index, where the first sequence is obtained after code block segmentation is performed on a second sequence, a length of the second sequence is related to the MCS index, and a length of the first sequence is less than or equal to a first threshold; and encoding the first sequence based on the encoding matrix associated with the encoding matrix type. According to the application, the encoding matrix type can be properly selected for encoding.

    Data processing method and communications device
    23.
    发明授权
    Data processing method and communications device 有权

    公开(公告)号：US10944508B2

    公开(公告)日：2021-03-09

    申请号：US16533343

    申请日：2019-08-06

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Chen Zheng ,  Liang Ma ,  Xin Zeng ,  Xiaojian Liu ,  Yuejun Wei

    IPC: H04L1/00 ,  H03M13/25

    Abstract: This application provides a data processing method and a communications device. The data processing method includes: determining, by a first communications device, NCB, based on a size of the circular buffer of the communications device and an information processing capability of a second communications device; and obtaining, by the first communications device, a second encoded bit segment from a first encoded bit segment having a length of NCB. According to the data processing method and the communications device provided in this application, decoding complexity of the communications device can be reduced and communication reliability can be improved.

    Data transmission method, sending device, receiving device, and communications system
    24.
    发明授权
    Data transmission method, sending device, receiving device, and communications system 有权

    公开(公告)号：US10917114B2

    公开(公告)日：2021-02-09

    申请号：US16433985

    申请日：2019-06-06

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Liang Ma ,  Chen Zheng ,  Jie Xiong ,  Xin Zeng ,  Xiaojian Liu ,  Yuejun Wei

    IPC: H03M13/11 ,  H04L1/00 ,  H03M13/00 ,  H03M13/37 ,  H04L1/18

    Abstract: This application discloses a data transmission method, a sending device, a receiving device, and a communications system. The sending device is configured to send a first transport block. The sending device obtains a coded bit segment from a first encoded code block. The first encoded code block is obtained after LDPC encoding is performed on a first code block in the first transport block based on a processing capability of the receiving device. The sending device sends the coded bit segment to the receiving device. Because the processing capability of the receiving device is considered, storage overheads of the sending device or the receiving device can be reduced, encoding or decoding complexity can be reduced, and a decoding success rate can be improved.

    Information processing method, device, and communications system
    26.
    发明授权
    Information processing method, device, and communications system 有权

    公开(公告)号：US10659195B2

    公开(公告)日：2020-05-19

    申请号：US16262921

    申请日：2019-01-31

    Applicant: HUAWEI TECHNOLOGIES CO., LTD.

    Inventor： Chen Zheng ,  Liang Ma ,  Jie Xiong ,  Xin Zeng ,  Xiaojian Liu ,  Yuejun Wei

    IPC: H04L1/00 ,  H03M13/00 ,  H03M13/09 ,  H03M13/11 ,  H04L1/18

    Abstract: This application discloses an information processing method. A communication device obtains an input sequence. The input sequence has a quantity B of information bits. The communication devices transforms the input sequence into one or more code blocks. The communication device encodes each of the code blocks individually, to obtain one or more encoded code blocks. Each of the code blocks has a code block length less than or equal to a maximum code block length. Each of the code blocks includes a segment of the input sequence and may include one or more cyclic redundancy check (CRC) bits corresponding to the segment of the input sequence. The encoded code blocks can meet various channel coding requirements.

    Communications method and apparatus
    28.
    发明授权
    Communications method and apparatus 有权

    公开(公告)号：US10419158B2

    公开(公告)日：2019-09-17

    申请号：US16196824

    申请日：2018-11-20

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Chen Zheng ,  Liang Ma ,  Yuejun Wei ,  Xin Zeng

    IPC: H04L1/00 ,  H04L1/18

    Abstract: Embodiments of this application provide a communications method and apparatus. The method includes: obtaining an input sequence of rate matching, wherein the input sequence is a retransmission sequence corresponding to a transport block, the input sequence comprises M code block groups, a value of M is less than a quantity of code block groups obtained after the transport block is segmented, and the M code block groups comprise Ct code blocks; and performing rate matching on the Ct code blocks, wherein a length of an output sequence of rate matching of each of the Ct code blocks satisfies the following conditions: when j≤Ct−γ−1, E=NL·Qm·└G′/Ct┘; when j>Ct−γ−1, E=NL·Qm·┌G′/Ct┐. The method may be applicable to a system in which transmission is performed based on a code block group, and resources are fully used as many as possible, thereby improving performance.

    DATA PROCESSING METHOD AND DATA PROCESSING APPARATUS
    29.
    发明申请
    DATA PROCESSING METHOD AND DATA PROCESSING APPARATUS 审中-公开

    公开(公告)号：US20190132097A1

    公开(公告)日：2019-05-02

    申请号：US16231946

    申请日：2018-12-25

    Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

    Inventor： Liang Ma ,  Chen Zheng ,  Xin Zeng ,  Yuejun Wei

    IPC: H04L5/00

    Abstract: Embodiments of this application relate to communication technologies and provide a method for transmitting or retransmitting data in a transport block. The transport block includes one or more code block groups, and each code block group includes one or more code blocks. A data processing device determines a code block group in the transport block that needs to be transmitted. Each code block in the code block group is processed by the data processing device to obtain a bit sequence. The data processing device transmits one or more bit sequences obtained by processing one or more code blocks in the code block group. The method and the apparatus provided in this application help reduce waste of air interface resources.

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