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公开(公告)号：US11309993B2
公开(公告)日：2022-04-19
申请号：US16692684
申请日：2019-11-22
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jian Wang , Yunfei Qiao , Gongzheng Zhang , Chaolong Zhang , Guijie Wang
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.
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22.发明授权公开(公告)号：US11277153B2
公开(公告)日：2022-03-15
申请号：US17013640
申请日：2020-09-06
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jie Jin , Ivan Leonidovich Mazurenko , Aleksandr Aleksandrovich Petiushko , Chaolong Zhang
Abstract: Embodiments of this application disclose provides a low density parity check (LDPC) channel encoding method for use in a wireless communications system. A communication device encodes an input bit sequence by using a LDPC matrix, to obtain an encoded bit sequence for transmission. The LDPC matrix is obtained based on a lifting factor Z and a base matrix. Embodiments of the application provide eight particular designs of the base matrix. The encoding method provided in the embodiments of the application can be used in various communications systems including the fifth generation (5G) telecommunication systems, and can support various encoding requirements for information bit sequences with different code lengths.
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公开(公告)号：US11115052B2
公开(公告)日：2021-09-07
申请号：US16700301
申请日：2019-12-02
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jie Jin , Wen Tong , Ivanov Ilya , Aleksandr Aleksandrovich Petiushko , Chaolong Zhang
Abstract: This application discloses an information processing method and apparatus, a communications device, and a communications system. The method includes: encoding an input sequence by using a low density parity check LDPC matrix to obtain a bit sequence D, where a base matrix of the LDPC matrix is represented by a matrix of m rows and n columns, each column corresponds to a group of Z continuous bits in the bit sequence D, and both n and Z are integers greater than 0; and obtaining an output bit sequence based on a bit sequence V, where the bit sequence V is obtained by permuting groups of bits corresponding to at least two parity check columns in the bit sequence D.
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公开(公告)号：US11088706B2
公开(公告)日：2021-08-10
申请号：US16719529
申请日：2019-12-18
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jie Jin , Ivan Leonidovich Mazurenko , Aleksandr Aleksandrovich Petiushko , Chaolong Zhang
Abstract: This application discloses an encoding method, an apparatus, a communications device, and a communications system. The method includes: encoding an input bit sequence by using a low density parity check LDPC matrix, where the LDPC matrix is obtained based on a lifting factor Z and a base matrix, and the base matrix includes a row 0 to a row 4 and a column 0 to a column 26 in one of matrices shown in FIG. 3b-1A to FIG. 3b-8B, or the base matrix includes a row 0 to a row 4 and some of a column 0 to a column 26 in one of matrices shown in FIG. 3b-1A to FIG. 3b-8B. According to the encoding method, the apparatus, the communications device, and the communications system, channel coding requirements can be met.
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公开(公告)号：US11076316B2
公开(公告)日：2021-07-27
申请号：US16566500
申请日：2019-09-10
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Shengchen Dai , Rong Li , Chaolong Zhang , Lingchen Huang , Hejia Luo
Abstract: This application provides a wireless communication method and device. The method includes: scrambling, with each piece of configuration information of a plurality of pieces of configuration information for configuring a terminal device, bits that are included in a cyclic redundancy check (CRC) of downlink control information (DCI) and that correspond to each piece of configuration information, to obtain a scrambled sequence, where at least one bit of bits that correspond to each piece of configuration information does not correspond to another piece of configuration information of the plurality of pieces of configuration information; and sending the DCI and the scrambled sequence to the terminal device.
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Patent Agency Ranking
公开(公告)号：US10992318B2
公开(公告)日：2021-04-27
申请号：US16673589
申请日：2019-11-04
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jian Wang , Gongzheng Zhang , Hejia Luo , Chaolong Zhang , Rong Li
Abstract: This application provides a coding method and apparatus, and a device. The method includes: dividing, by a sending device, a subchannel location sequence number set into at least two mutually exclusive subsets based on an interleaving operation, where a subchannel location in each subset still belongs to the subset and does not belong to another subset after any quantity of interleaving operations are performed; determining, by the sending device, an information bit location set and a frozen bit location set of a to-be-coded polar polar code based on the at least two mutually exclusive subsets; and coding, by the sending device, the to-be-coded polar code based on the information bit location set and the frozen bit location set. The coding method and apparatus, and the device provided in this application can improve communication performance of polar coding.
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27.发明授权公开(公告)号：US10771092B2
公开(公告)日：2020-09-08
申请号：US16423175
申请日：2019-05-28
Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
Inventor： Jie Jin , Ivan Leonidovich Mazurenko , Aleksandr Aleksandrovich Petiushko , Chaolong Zhang
Abstract: Embodiments of this application disclose provides a low density parity check (LDPC) channel encoding method for use in a wireless communications system. A communication device encodes an input bit sequence by using a LDPC matrix, to obtain an encoded bit sequence for transmission. The LDPC matrix is obtained based on a lifting factor Z and a base matrix. Embodiments of the application provide eight particular designs of the base matrix. The encoding method provided in the embodiments of the application can be used in various communications systems including the fifth generation (5G) telecommunication systems, and can support various encoding requirements for information bit sequences with different code lengths.
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28.发明授权公开(公告)号：US11611356B2
公开(公告)日：2023-03-21
申请号：US17684144
申请日：2022-03-01
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jie Jin , Wen Tong , Jun Wang , Aleksandr Aleksandrovich Petiushko , Ivan Leonidovich Mazurenko , Chaolong Zhang
Abstract: A low density parity check (LDPC) channel encoding method is used in a wireless communications system. A communication device encodes an input bit sequence by using an LDPC matrix, to obtain an encoded bit sequence for transmission. The LDPC matrix is obtained based on a lifting factor Z and a base matrix. The base matrix may be one of eight exemplary designs. The encoding method can be used in various communications systems including fifth generation (5G) telecommunication systems, and can support various encoding requirements for information bit sequences with different code lengths.
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公开(公告)号：US11362676B2
公开(公告)日：2022-06-14
申请号：US16505200
申请日：2019-07-08
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Guijie Wang , Gongzheng Zhang , Yunfei Qiao , Jian Wang , Chaolong Zhang , Rong Li
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.
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公开(公告)号：US11197281B2
公开(公告)日：2021-12-07
申请号：US16503607
申请日：2019-07-04
Applicant: HUAWEI TECHNOLOGIES CO., LTD
Inventor： Jian Wang , Jun Wang , Rong Li , Huazi Zhang , Chaolong Zhang
Abstract: Embodiments of the present invention provide a control information transmission method and apparatus. The control information transmission method includes: determining, by a network device, N pieces of to-be-jointly-coded downlink control information DCI, where N is an integer greater than or equal to 2; coding, by the network device, the N pieces of DCI in a polar coding manner, to obtain one codeword; and mapping, by the network device, the codeword to a time-frequency resource of a downlink control channel for sending. According to the embodiments of the present invention, not only a relatively high coding gain can be obtained, but a relatively low average processing latency on a decoder side can also be obtained.
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