公开(公告)号：US20190173499A1

公开(公告)日：2019-06-06

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

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.

公开(公告)号：US20190158114A1

公开(公告)日：2019-05-23

申请号：US16205186

申请日：2018-11-29

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

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

IPC: H03M13/11 ,  H03M13/00

CPC classification number: H03M13/1102 ,  H03M13/11 ,  H03M13/116 ,  H03M13/616 ,  H03M13/6393 ,  H03M13/6516 ,  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.

公开(公告)号：US09590767B2

公开(公告)日：2017-03-07

申请号：US15078829

申请日：2016-03-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xin Tang ,  Chunjie Yang ,  Ming Li ,  Yuejun Wei

IPC: H04W4/00 ,  H04L1/00 ,  H04W36/00 ,  H03M13/45 ,  H04W52/12 ,  H04W52/40

CPC classification number: H04L1/0009 ,  G06F11/1004 ,  H03M13/45 ,  H04L1/0045 ,  H04L1/0058 ,  H04L1/0061 ,  H04W36/0005 ,  H04W36/18 ,  H04W52/12 ,  H04W52/40 ,  H04W88/12

Abstract: Embodiments of the present disclosure provide a signal processing method and device. The method includes: receiving soft information corresponding to encoded signals sent by at least two base stations and CRC check results of decoding results of first subflows in the encoded signals, where the soft information includes first soft information corresponding to the first subflows; obtaining a selective combining result of the first subflows by performing selective combining according to the at least two CRC check results of the decoding results of the first subflows; and if the selective combining result of the first subflows is that CRC check is incorrect, determining a soft combining result of the first subflows according to at least two pieces of the first soft information. The signal processing method and device provided in the embodiments can increase a signal gain.

Abstract translation: 本公开的实施例提供了一种信号处理方法和装置。 该方法包括：接收对应于由至少两个基站发送的编码信号的软信息和对编码信号中的第一子流解码结果的CRC校验结果，其中软信息包括对应于第一子流的第一软信息; 通过根据第一子流的解码结果的至少两个CRC校验结果执行选择性组合来获得第一子流的选择性组合结果; 并且如果第一子流的选择组合结果是CRC校验不正确，则根据至少两个第一软信息确定第一子流的软组合结果。 实施例中提供的信号处理方法和装置可以增加信号增益。

公开(公告)号：US09521084B2

公开(公告)日：2016-12-13

申请号：US14451691

申请日：2014-08-05

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lili Wei ,  Wen Chen ,  Yuejun Wei ,  Ying Jin

IPC: G01R31/08 ,  H04L12/811 ,  H04B7/155 ,  H04L12/825 ,  H04L1/00

CPC classification number: H04L47/38 ,  H04B7/15521 ,  H04L1/0002 ,  H04L47/25 ,  H04L2001/0097

Abstract: Embodiments of the present invention relate to the field of communications, and provide a network coding method, a relay apparatus and a selection apparatus, which can avoid a case that a network coding system matrix is not full rank, and improve correctness of decoding. The network coding method includes: obtaining network coding information, where the network coding information includes information of a candidate network coding vector set and a candidate transmission rate set, and transmission rates in the candidate transmission rate set are in one-to-one correspondence with network coding vectors in the candidate network coding vector set; selecting a full rank network matrix according to the network coding information; and coding received source node information according to the full rank network matrix. The network coding method, relay apparatus and selection apparatus provided in the embodiments of the present invention are used for network coding.

Abstract translation: 本发明的实施例涉及通信领域，并且提供一种网络编码方法，中继装置和选择装置，其可以避免网络编码系统矩阵不是满秩的情况，并且提高解码的正确性。 网络编码方法包括：获取网络编码信息，其中网络编码信息包括候选网络编码矢量集和候选传输速率集合的信息，并且候选传输速率集合中的传输速率与一 候选网络编码向量集中的网络编码向量; 根据网络编码信息选择完整秩网络矩阵; 并根据满秩网络矩阵对接收的源节点信息进行编码。 在本发明实施例中提供的网络编码方法，中继装置和选择装置用于网络编码。

公开(公告)号：US20140101498A1

公开(公告)日：2014-04-10

申请号：US14104578

申请日：2013-12-12

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jie XIONG ,  Yuejun Wei ,  Ying Jin ,  Qian Zhu

IPC: G06F11/10

CPC classification number: G06F11/10 ,  H04L1/0054 ,  H04L1/203

Abstract: A method for estimating a block error rate and a communication device are applied to the field of communications technologies. The method for estimating a block error rate includes: decoding N received coded code blocks to obtain multiple posterior probabilities APPs, where N is a natural number greater than 1; obtaining, according to the multiple posterior probabilities APPs and a preset policy, a result indicating that the decoding of each coded code block is correct or incorrect, where the preset policy includes: when a sum of absolute values of the multiple APPs is greater than or equal to a preset threshold, the decoding is correct; and obtaining a decoding block error rate according to a result indicating whether the decoding of the N coded code blocks is correct. In this way, the estimation of a decoding block error rate is implemented.

Abstract translation: 用于估计块错误率的方法和通信设备被应用于通信技术领域。 用于估计块错误率的方法包括：解码N个接收到的编码码块以获得多个后验概率APP，其中N是大于1的自然数; 根据多个后验概率APP和预设策略，获得指示每个编码代码块的解码正确或不正确的结果，其中预设策略包括：当多个APP的绝对值之和大于或等于 等于预设阈值，解码正确; 以及根据指示所述N个编码代码块的解码是否正确的结果来获得解码块错误率。 以这种方式，实现了解码块错误率的估计。

公开(公告)号：US11742987B2

公开(公告)日：2023-08-29

申请号：US17406354

申请日：2021-08-19

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Liang Ma ,  Xin Zeng ,  Yuejun Wei ,  Carmela Cozzo

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

CPC classification number: H04L1/0067 ,  H03M13/11 ,  H03M13/616 ,  H03M13/635 ,  H03M13/6393 ,  H04L1/0013

Abstract: This application discloses a method and an apparatus for processing information, a communications device, and a communications system. The communications device is configured to obtain a starting position of an output bit sequence in a coded block in a circular buffer, and determine the output bit sequence in the coded block based on a length of the output bit sequence and the starting position. A value of the starting position is one of {p0, p1, p2, . . . , pkmax−1}, where 0≤pk

公开(公告)号：US20230262519A1

公开(公告)日：2023-08-17

申请号：US18305124

申请日：2023-04-21

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shuri Liao ,  Shengyue Dou ,  Yuejun Wei ,  Kedi Wu

IPC: H04W28/06 ,  H04W28/24

CPC classification number: H04W28/06 ,  H04W28/24

Abstract: This application provides a communication method and apparatus, and a computer-readable storage medium. The method includes: obtaining average user-experience information; obtaining quality impairment information of a data packet; and sending the data packet to a terminal based on a priority of the data packet, where the priority of the data packet is related to the quality impairment information of the data packet and/or the average user-experience information.

公开(公告)号：US11588576B2

公开(公告)日：2023-02-21

申请号：US17389004

申请日：2021-07-29

Applicant: Huawei Technologies Co., Ltd.

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

IPC: H04L1/00 ,  H04W72/04 ,  H03M13/11 ,  H03M13/25 ,  H03M13/00

Abstract: This application provides a data transmission method, a base station, and a terminal device. The method includes: determining, by a base station, a target base graph in N Raptor-like LDPC base graphs; and sending, by the base station, indication information to a terminal device, where the indication information is used to indicate the terminal device to use the target base graph to perform LDPC encoding and decoding. Based on the foregoing technical solution, the base station may determine a target base graph in a plurality of Raptor-like LDPC base graphs that may be used to perform LDPC encoding and decoding, and indicate the target base graph to the terminal device. Further, for one code rate or one code length, the base station may select different base graphs as required.

公开(公告)号：US11463108B2

公开(公告)日：2022-10-04

申请号：US16691281

申请日：2019-11-21

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

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

IPC: H03M13/00 ,  H03M13/11 ,  H03M13/27

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 as a matrix of m rows and n columns, each column corresponds to a group of Z consecutive bits in the bit sequence D, and n and Z are both 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 two groups of bits corresponding to at least two parity check columns in the bit sequence D.

公开(公告)号：US11239957B2

公开(公告)日：2022-02-01

申请号：US16665750

申请日：2019-10-28

Applicant: Huawei Technologies Co., Ltd.

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

IPC: H04L1/18 ,  H04L1/00 ,  H04L5/00 ,  H04W72/04

Abstract: This application provides a data processing method and a data processing apparatus. The data processing method includes: determining C code blocks, where C is a positive integer; and dividing the C code blocks into K code block groups, where an absolute value ΔC of a difference between quantities of code blocks included in any two of the K code block groups is less than or equal to a first threshold, and K is a positive integer. The data processing method and the data processing apparatus provided in this application help lower a bit error rate.