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公开(公告)号：US20240120939A1
公开(公告)日：2024-04-11
申请号：US18532211
申请日：2023-12-07
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Mengfan ZHENG , Cong LING , Jiaqi GU , Mengyao MA
IPC: H03M7/14
CPC classification number: H03M7/14
Abstract: This application discloses a polar encoding method and apparatus and a polar decoding method and apparatus, to apply polar codes to source coding and decoding, to improve source coding and decoding performance. The method may be implemented by using the following steps: obtaining to-be-encoded source bits; performing first polar encoding on the to-be-encoded source bits to obtain encoded source bits, where the first polar encoding includes first transformation and second transformation, the first transformation is polarization transformation, a mother code length corresponding to the first transformation is Ns, the polarization transformation is performed on the to-be-encoded source bits to obtain first source bits, and the second transformation is performed on the first source bits to obtain the encoded source bits; determining assistance information based on the first source bits; and outputting a source coding codeword, where the source coding codeword includes the encoded source bits and the assistance information.
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公开(公告)号：US20230017934A1
公开(公告)日：2023-01-19
申请号：US17941552
申请日：2022-09-09
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jiahui LI , Mengyao MA , Min YAN , Wei LIN
IPC: H04N19/34 , H04N19/124
Abstract: This application discloses image encoding and decoding methods and apparatuses. The image encoding method includes performing, by a source device, compression encoding on an image to obtain base layer information. The method further includes obtaining enhancement layer information based on the base layer information and the image. The method further includes obtaining control layer information. The method further includes performing encoding and modulation on the control layer information, the base layer information, and the enhancement layer information separately to obtain a plurality of symbol sets. The method further includes mapping the plurality of symbol sets to a resource for sending. Embodiments of this application may ensure robustness in a transmission process and improve overall compression efficiency and performance.
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公开(公告)号：US20250167803A1
公开(公告)日：2025-05-22
申请号：US19027479
申请日：2025-01-17
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jiahui LI , Mengyao MA , Yinggang DU , Xun YANG
Abstract: This application provides a data transmission method and an apparatus. The method includes: A transmit end obtains to-be-sent data; the transmit end obtains a plurality of data blocks based on the to-be-sent data; and the transmit end compresses a first data block based on a compression mode and sends a compressed first data block, where the first data block is one of the plurality of data blocks. Therefore, a plurality of data blocks may be separately compressed by using a same compression mode or different compression modes, and compressed data blocks are sent.
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公开(公告)号：US20250070800A1
公开(公告)日：2025-02-27
申请号：US18940997
申请日：2024-11-08
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Wei LIN , Guido MONTORSI , Sergio BENEDETTO , Xun YANG , Yan XIN , Ming GAN , Mengyao MA
IPC: H03M13/11
Abstract: This application discloses an LDPC encoding and decoding method and a related apparatus. This application supports 802.11 series protocols such as Wi-Fi 8, UWB. The method includes: performing low-density parity-check LDPC encoding on an information bit sequence based on a parity check matrix, to obtain a first code word, where the parity check matrix complies with a base matrix, and the base matrix meets one of the following: Each row in the first two columns of the base matrix includes at least one 1, or the first two columns of the base matrix include “1 0” and “0 1” that alternate regularly, and “1 1” is included between “1 0” and “0 1”; and sending the first code word. The parity check matrix complies with the base matrix, which can accelerate an overall decoding convergence speed of a system.
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公开(公告)号：US20250023658A1
公开(公告)日：2025-01-16
申请号：US18898996
申请日：2024-09-27
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jian YU , Mengshi HU , Jiahui LI , Mengyao MA , Ming GAN
IPC: H04L1/00
Abstract: This application provides a communication method and a related apparatus. The method includes: generating a trigger frame, where the trigger frame includes a user information field corresponding to one or more users; the one or more users include a first user using joint source and channel coding; and the first user corresponds to a plurality of user information fields, and a user information field corresponding to the first user indicates a layer frequency domain resource of the first user at a source layer, or the first user corresponds to one user information field, and the one user information field corresponding to the first user indicates a total frequency domain resource of the first user at all source layers; and sending the trigger frame, to receive a trigger-based physical layer protocol data unit of the first user.
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Patent Agency Ranking
公开(公告)号：US20240405786A1
公开(公告)日：2024-12-05
申请号：US18806832
申请日：2024-08-16
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jiaqi GU , Mengyao MA , Jiahui LI , Zihan TANG , Wei LIN , Yinggang DU
Abstract: This application provides an encoding method and an encoding apparatus based on a polar code, to improve compression performance of a source sequence of a limited length. The method includes: obtaining a source bit sequence; encoding the source bit sequence by using a polar code generation matrix that is based on sub-block column transformation, to obtain a first bit sequence, where the polar code generation matrix that is based on the sub-block column transformation is determined based on a first polar code generation matrix and a transformation matrix, and the transformation matrix may achieve effect of performing sub-block column transformation on the first polar code generation matrix; and compressing the first bit sequence, to obtain a compressed bit sequence.
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公开(公告)号：US20240283465A1
公开(公告)日：2024-08-22
申请号：US18649379
申请日：2024-04-29
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jiahui LI , Mengyao MA , Jiaqi GU , Zihan TANG , Wei LIN , Huazi ZHANG , Xun YANG
CPC classification number: H03M13/13 , H03M13/09 , H03M13/616 , H04J13/0029
Abstract: This application provides a coding method, a decoding method, and a communications apparatus. The coding method includes: obtaining a first information bit sequence; determining a first frozen bit sequence based on a probability distribution value P1 of the first information bit sequence; determining a check bit sequence based on a second information bit sequence, where the second information bit sequence is the first information bit sequence or a sequence obtained after a pre-transformation operation is performed on the first information bit sequence; obtaining a first bit sequence based on the second information bit sequence, the check bit sequence, and the first frozen bit sequence, where the first bit sequence includes bits in the second information bit sequence.
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公开(公告)号：US20220248427A1
公开(公告)日：2022-08-04
申请号：US17727061
申请日：2022-04-22
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Zhongjiang YAN , Biao CHEN , Xiao HAN , Yan XIN , Mengyao MA , Yunbo LI
IPC: H04W72/12
Abstract: A communication method and apparatus are provided, which relate to the field of communication technologies, to determine an interaction procedure in an ATI in an AP coordination scenario. The method includes: A C-AP generates a first indication frame, where the first indication frame indicates an interaction procedure between an M-AP, the C-AP, and a STA in the ATI; and the C-AP sends the first indication frame to a plurality of M-APs, so that the plurality of M-APs perform the interaction procedure in the ATI based on the first indication frame.
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公开(公告)号：US20250119235A1
公开(公告)日：2025-04-10
申请号：US18989221
申请日：2024-12-20
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jiahui LI , Mengyao MA , Zihan TANG , Jiaqi GU , Wei LIN , Junwen XIE
IPC: H04L1/00
Abstract: This application discloses encoding and decoding methods and a related apparatus, and is applied to the coding field. The method includes: obtaining a to-be-encoded first transport block; obtaining F sub-transport blocks based on the first transport block, where probability distributions of all preprocess blocks included in any sub-transport block belong to a same probability distribution range, and probability distributions of preprocess blocks included in at least two of the F sub-transport blocks belong to different probability distribution ranges; encoding the F sub-transport blocks to obtain a second transport block, where the second transport block includes F encoded sub-transport blocks, and at least two of the F encoded sub-transport blocks correspond to different code rates; and performing transmission based on the second transport block.
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公开(公告)号：US20250048138A1
公开(公告)日：2025-02-06
申请号：US18919685
申请日：2024-10-18
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jiahui LI , Mengyao MA , Zihan TANG , Danny Kai Pin TAN , Rui DU , Min YAN
Abstract: This application provides a signal processing method and device. The method includes: A first device receives a first complex signal formed after an electromagnetic signal is reflected by an ambient environment. A dimension of the first complex signal is related to configuration information of the first device. The first device sends a transformed signal to a second device. The transformed signal includes a transformed bitstream, and the transformed bitstream is obtained by the first device by transforming the first complex signal based on the configuration information of the first device, so that the second device de-transforms the transformed signal based on the configuration information of the first device to obtain a second complex signal.
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