Data encoding and decoding methods and apparatuses

    公开(公告)号:US11362676B2

    公开(公告)日:2022-06-14

    申请号:US16505200

    申请日:2019-07-08

    Abstract: Embodiments of the application provides a method for encoding. The method includes: receiving a to-be-encoded data block; encoding the data block at an aggregation level of 2L, where a formula used during the encoding is as follows: [ u . 2 ⁢ ⁢ L u . L ] ⁡ [ G LN 0 G LN G LN ] = ⌊ C . 2 ⁢ ⁢ L C . L ⌋ ( I ) u . L = { u L u L - 1 … u 1 } , u . 2 ⁢ ⁢ L = ⁢ { u 2 ⁢ L u 2 ⁢ L - 1 … u L + 1 } , ⁢ c . L = { c L c L - 1 … c 1 } , c . 2 ⁢ ⁢ L = { c 2 ⁢ L c 2 ⁢ L - 1 … c L + 1 } , G LN = G N ⊗ log 2 ( L ) ( II ) L=2n, and n is a natural number greater than or equal to 0; and outputting an encoded data block.

    Information encoding method and device for master information block encoding

    公开(公告)号:US11523328B2

    公开(公告)日:2022-12-06

    申请号:US16523684

    申请日:2019-07-26

    Abstract: A method and device are provided for encoding a master information block (MIB), where the MIB includes indication information, the indication information is used by a terminal device to determine a decoding mode for decoding first information, and the first information includes at least one of a system information block (SIB) 1 and system information (SI); and sending an encoded MIB to the terminal device. The terminal device can determine a correct decoding mode for the SIB and the SI according to the indication information before receiving the SIB and the SI, and then the terminal device can decode the SIB and the SI in the correct decoding mode after receiving the SIB and the SI. The terminal device can flexibly decode the SIB and the SI.

    Data processing method and apparatus

    公开(公告)号:US11044046B2

    公开(公告)日:2021-06-22

    申请号:US16529821

    申请日:2019-08-02

    Abstract: Embodiments of the present invention disclose a data processing method. The method includes: receiving, by an encoder, a to-be-encoded information block; encoding, by the encoder, the information block in a PC-Polar encoding when a channel coding parameter is in one value range, and/or encoding, by the encoder, the information block in a CA-Polar encoding when the channel coding parameter is in another value range; and outputting, by the encoder, a result of the encoding the information block.

    Polar code interleaving processing method and apparatus

    公开(公告)号:US11343018B2

    公开(公告)日:2022-05-24

    申请号:US16717777

    申请日:2019-12-17

    Abstract: This application discloses a polar code interleaving processing method and apparatus. The method includes: determining N to-be-encoded bits, where N is a positive integer; obtaining a first sequence that includes sequence numbers of N polarized channels, where the first sequence is used to indicate a reliability order of the N polarized channels; performing polar encoding on the N to-be-encoded bits to obtain encoded bits; and performing interleaving processing on the encoded bits based on the first sequence. Because the first sequence used to indicate the reliability of the polarized channels is a sequence already existing in a polar code encoding process, no additional storage resource needs to be used to store the first sequence in the interleaving processing process, thereby reducing use of storage resources.

    Coding and decoding method and apparatus

    公开(公告)号:US11309993B2

    公开(公告)日:2022-04-19

    申请号:US16692684

    申请日:2019-11-22

    Abstract: This application provides a coding and decoding method and apparatus. The method includes: performing polarization coding on first to-be-coded information, to obtain first coded information with a bit sequence length of M, where M is a positive integer; sending the first coded information on a first channel corresponding to the first to-be-coded information; performing polarization coding on second to-be-coded information, to obtain second coded information with a bit sequence length of 2M, where the second to-be-coded information includes the first to-be-coded information, and differences between sequence numbers of information bits corresponding to the first to-be-coded information and sequence numbers of information bits at (M+1)th to 2Mth bit positions in information bits corresponding to the second to-be-coded information are sequentially M in ascending order of sequence numbers.

    Method and device for rate matching and polar encoding

    公开(公告)号:US11265108B2

    公开(公告)日:2022-03-01

    申请号:US16910505

    申请日:2020-06-24

    Abstract: The present disclosure provides an encoding method and apparatus, and relates to the field of communications technologies, to reduce an encoding latency and complexity, and the amount of computation of real-time construction. The encoding method includes: obtaining information bits; determining a puncturing pattern, where the puncturing pattern includes an element in a puncturing set and an element in a shortening set, and the puncturing set and the shortening set have no intersection set; and performing, by using the determined puncturing pattern, rate matching on data obtained after the information bits are encoded.

    Polar code encoding method and apparatus

    公开(公告)号:US11165534B2

    公开(公告)日:2021-11-02

    申请号:US16683470

    申请日:2019-11-14

    Abstract: The present disclosure relates to polar code encoding methods and apparatus. One example method includes obtaining a first sequence used to encode K to-be-encoded bits, where the first sequence includes sequence numbers of N polarized channels, the sequence numbers of the N polarized channels are arranged in the first sequence based on reliability of the N polarized channels, K is a positive integer, N is a mother code length of a polar code, N is a positive integer power of 2, and K≤N, selecting sequence numbers of K polarized channels from the first sequence in descending order of reliability, placing the K to-be-encoded bits based on the selected sequence numbers of the K polarized channels, and performing polar code encoding on the K to-be-encoded bits.

    Interleaving method and apparatus
    10.
    发明授权

    公开(公告)号:US10972220B2

    公开(公告)日:2021-04-06

    申请号:US16705647

    申请日:2019-12-06

    Abstract: This application relates to the field of communications technologies, and discloses an interleaving method, a deinterleaving method, and an apparatus, to improve randomicity of polar code interleaving. The method is: obtaining a to-be-interleaved bit sequence, where the to-be-interleaved bit sequence includes L, subsequences, the L subsequences include S subsequence groups, the S subsequence groups include at least a first subsequence group and a second subsequence group, the first subsequence group includes at least two subsequences, the second subsequence group includes at least one subsequence, and L is a positive integer greater than 1; and interleaving the subsequences in the first subsequence group in a first interleaving manner, and skipping interleaving the subsequence in the second subsequence group or interleaving the subsequence in the second subsequence group in a second interleaving manner.

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