LOW DENSITY PARITY CHECK CODE ENCODING METHOD AND COMMUNICATION APPARATUS

    公开(公告)号:US20240204801A1

    公开(公告)日:2024-06-20

    申请号:US18523495

    申请日:2023-11-29

    CPC classification number: H03M13/118 H03M13/616

    Abstract: This application provides an LDPC code encoding method and a communication apparatus, to meet a requirement of increasing redundant bits through retransmission in an IR-HARQ mechanism, so as to decrease a channel coding rate, and improve decoding performance of an LDPC code. In the method, a check matrix of the LDPC code is used as a basic matrix, and the basic matrix is extended to obtain a mother matrix compatible with a plurality of code rates. During LDPC encoding, a transmit device reads, from the mother matrix, a check matrix corresponding to a required code rate, and performs LDPC encoding on an information bit sequence based on the read check matrix. LDPC encoding is performed on the information bit sequence by using check matrices of different sizes, to obtain different quantities of redundant bits.

    Communication method and apparatus
    22.
    发明授权

    公开(公告)号:US11962527B2

    公开(公告)日:2024-04-16

    申请号:US17241689

    申请日:2021-04-27

    CPC classification number: H04L5/0048 H04L27/26134

    Abstract: A communications apparatus includes a processor configured to generate a radio frame. The radio frame comprises a data block. The data block comprises a plurality of N pilot blocks, a plurality of M sub-data blocks, and one guard interval (GI). Every two N pilot blocks of the plurality of N pilot blocks are not adjacent. The GI is located at a tail end of the data block, 4≤N≤8, N is an integer, M≥N−1, and M is an integer. The communications apparatus also includes transceiver configured to send the radio frame to a receiver.

    RADIO CHANNEL DATA PROCESSING METHOD, COMMUNICATION APPARATUS, AND COMMUNICATION DEVICE

    公开(公告)号:US20230269023A1

    公开(公告)日:2023-08-24

    申请号:US18310346

    申请日:2023-05-01

    CPC classification number: H04L1/0003 H04L1/0026

    Abstract: Embodiments of this application provide a radio channel data processing method, a communication apparatus, and a related device. In the method, a first communication device may send an uplink resource request message to a second communication device. The uplink resource request message includes source distribution information and a first modulation and coding scheme determined based on the source distribution information. The first communication device receives an uplink resource allocation message from the second communication device. The uplink resource allocation message includes a modulation and coding scheme allocated by the second communication device to the first communication device. The first communication device performs modulation and coding on an information bit based on the second modulation and coding scheme. This helps improve coding performance of the first communication device.

    Wireless communication method and apparatus

    公开(公告)号:US11452109B2

    公开(公告)日:2022-09-20

    申请号:US17037263

    申请日:2020-09-29

    Abstract: The method includes: receiving, by a second transmit end, policy information sent by a first transmit end, where the second transmit end belongs to a second BSS, the first transmit end is a transmit end that is in a first basis service set and that transmits data by using a first link, and the policy information is used to indicate a condition that the second transmit end needs to satisfy to transmit data by using a second link, or used to indicate whether the second transmit end is allowed to transmit data by using a second link; and determining, by the second transmit end based on the policy information, whether to transmit data by using the second link. According to the wireless communication method, a spatial reuse transmission policy can be adjusted dynamically based on an actual situation of a current network. This improves a system throughput.

    Communication Method, Communication Apparatus, and Communication Device

    公开(公告)号:US20210126755A1

    公开(公告)日:2021-04-29

    申请号:US17141676

    申请日:2021-01-05

    Abstract: A communication method includes generating a physical layer protocol data unit (PPDU) including a preamble, where the preamble includes a legacy physical layer preamble and a new physical layer preamble, wherein the new physical layer preamble includes a repeated field that has a preset out-of-order relationship with a preset field of the legacy physical layer preamble in frequency domain. The communication method further includes sending the PPDU.

    Coded Bit Transmission Method and Apparatus

    公开(公告)号:US20210126735A1

    公开(公告)日:2021-04-29

    申请号:US17141847

    申请日:2021-01-05

    Abstract: A coded bit transmission method and apparatus, to improve spectrum resource utilization and a data rate of a Wi-Fi system, where the method includes: A sender performing channel coding on information bits according to a used MCS, to generate coded bits; and the sender distributing the coded bits to a plurality of channel sets or a plurality of resource units according to a distribution rule. The MCS is an MCS used for each of the plurality of channel sets, or an MCS used for each of the plurality of resource units.

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