公开(公告)号：US20140317477A1

公开(公告)日：2014-10-23

申请号：US14319729

申请日：2014-06-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Deyuan Chang ,  Fan Yu ,  Zhiyu Xiao

IPC: H03M13/11

CPC classification number: H03M13/116 ,  H03M13/036 ,  H03M13/1154 ,  H03M13/333 ,  H03M13/63

Abstract: The present invention discloses a coding and decoding method, apparatus, and system for forward error correction, and pertains to the field of communications. The method includes: determining check matrix parameters of time-varying periodic LDPC convolutional code according to performance a transmission system, complexity of the transmission system, and a synchronization manner for code word alignment, constructing a QC-LDPC check matrix according to the determined check matrix parameters, and obtaining a check matrix (Hc) of the time-varying periodic LDPC convolutional code according to the QC-LDPC check matrix; de-blocking, according to requirements of the Hc, data to be coded, and coding data of each sub-block according to the Hc, so as to obtain multiple code words of the LDPC convolutional code; and adding the multiple code words of the LDPC convolutional code in a data frame and sending the data frame.

Abstract translation: 本发明公开了一种用于前向纠错的编码和解码方法，装置和系统，涉及通信领域。 该方法包括：根据传输系统的性能，传输系统的复杂性和码字对齐的同步方式，确定时变周期性LDPC卷积码的校验矩阵参数，根据确定的检查构建QC-LDPC校验矩阵 矩阵参数，并根据QC-LDPC校验矩阵获得时变周期性LDPC卷积码的校验矩阵（Hc）; 根据Hc的要求，根据Hc的要求解块，根据Hc编码的数据和每个子块的编码数据，以获得LDPC卷积码的多个码字; 并将LDPC卷积码的多个码字添加到数据帧中并发送数据帧。

公开(公告)号：US20140237323A1

公开(公告)日：2014-08-21

申请号：US14266544

申请日：2014-04-30

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Fan Yu ,  Deyuan Chang ,  Zhiyu Xiao

IPC: H04L1/00

CPC classification number: H04L1/0042 ,  H04J3/0608 ,  H04J3/1652 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0047 ,  H04L1/0057 ,  H04L25/0226

Abstract: Embodiments of the present invention provide a data transmitter, a data receiver, and a frame synchronization method. The data transmitter includes a coding module and a processing module. The coding module is configured to perform forward error correction FEC coding on sent data to obtain an FEC code word, and to output the FEC code word and an indication signal for indicating a boundary position of the FEC code word to the processing module. The processing module is configured to insert a training sequence into the FEC code word according to the indication signal, so that a data receiver determines the boundary position of the FEC code word according to the training sequence.

Abstract translation: 本发明的实施例提供一种数据发送器，数据接收器和帧同步方法。 数据发送器包括编码模块和处理模块。 编码模块被配置为对发送的数据执行前向纠错FEC编码以获得FEC码字，并将FEC码字和用于指示FEC码字的边界位置的指示信号输出到处理模块。 处理模块被配置为根据指示信号将训练序列插入FEC码字，使得数据接收机根据训练序列确定FEC码字的边界位置。

公开(公告)号：US20130252573A1

公开(公告)日：2013-09-26

申请号：US13896168

申请日：2013-05-16

Applicant: Huawei Technologies Co., LTD

Inventor： Zhenqi Dong ,  Zhiyu Xiao

IPC: H04W4/22

CPC classification number: H04W4/90 ,  H04W8/22 ,  H04W72/12 ,  H04W76/50

Abstract: The present invention provides a call access method, device and system. A base station receives a call access request sent by a terminal. The call access request includes a type of a call that the terminal requests accessing. The base station performs uplink synchronization with the terminal. The base station receives capability information of the terminal and sends a reception acknowledgement response to the capability information to the terminal. If the type of the call is an emergency call, the base station directly sends configuration information of a default bearer that corresponds to the capability information to the terminal.

Abstract translation: 本发明提供一种呼叫接入方法，装置和系统。 基站接收终端发送的呼叫接入请求。 呼叫接入请求包括终端请求接入的呼叫类型。 基站与终端进行上行同步。 基站接收终端的能力信息，向终端发送对能力信息的接收确认响应。 如果呼叫类型是紧急呼叫，则基站直接向终端发送对应于能力信息的默认承载的配置信息。

公开(公告)号：US20130132803A1

公开(公告)日：2013-05-23

申请号：US13723031

申请日：2012-12-20

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhiyu Xiao ,  Deyuan Chang ,  Fan Yu

IPC: H03M13/13

CPC classification number: H03M13/13 ,  H03M13/1154

Abstract: The embodiments of the present invention provide an encoding and decoding method and device. The encoding method includes: equally dividing input K-bit information into n blocks, where k1, k2, . . . , and kn are used to represent each block of information; combining a kith block of information with n−1 encoded code words Vi−1, Vi−2, . . . , and Vi−n+1 ki−1th, and ki−2th, . . . , and ki−n+1th blocks, to obtain a code word to be encoded, where when a sequence number of an encoded code word is smaller than or equal to 0, the encoded code word is history information; performing, by using an LDPC check matrix, encoding on the code word to be encoded, where a generated check bit and the kith block of information form an encoded code word Vi; and outputting encoded code words V1, V2, . . . , and Vn. The embodiments of the present invention are applied in encoding and decoding.

Abstract translation: 本发明的实施例提供了一种编码和解码方法和装置。 编码方法包括：将输入K位信息等分成n个块，其中k1，k2，...。 。 。 ，和kn用于表示每个信息块; 将信息块与n-1个编码码字Vi-1，Vi-2组合。 。 。 ，Vi-n + 1ki-1，以及ki-2th。 。 。 和第ki-n + 1个块，以获得要编码的码字，其中当编码码字的序列号小于或等于0时，编码码字是历史信息; 通过使用LDPC校验矩阵来对要编码的码字进行编码，其中产生的校验位和第一组信息块形成编码码字Vi; 并输出编码码字V1，V2。 。 。 ，和Vn。 本发明的实施例应用于编码和解码。

公开(公告)号：US20230403098A1

公开(公告)日：2023-12-14

申请号：US18452555

申请日：2023-08-20

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yijia Zhao ,  Mo Li ,  Zhiyu Xiao

IPC: H04L1/00

CPC classification number: H04L1/0041 ,  H04L1/0066

Abstract: Embodiments provide a data encoding method, a data decoding method, and a related device. The method includes a transmitting end device that determines N data symbols at a same symbol location of N links of service data, where N is an integer greater than 1, and quantities of bits in all data symbols are the same. The transmitting end device performs forward error correction (FEC) encoding on the N data symbols to obtain a codeword, where the codeword includes the N data symbols and M overhead symbols, M is an integer greater than or equal to 1 and less than or equal to N, and a quantity of bits in each data symbol is the same as a quantity of bits in each overhead symbol. The transmitting end device sends the N data symbols through N service channels, and sends the M overhead symbols through M overhead channels.

公开(公告)号：US10958488B2

公开(公告)日：2021-03-23

申请号：US16786566

申请日：2020-02-10

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhiyu Xiao ,  Mo Li

IPC: H03H7/30 ,  H04L25/03 ,  H04B10/25 ,  H04L1/00 ,  H04B10/61

Abstract: This application provides a signal transmission method and system, and relates to the field of communications technologies. The system includes an equalization module, a first decoder, and a feedback module. The equalization module includes at least two multi-symbol detectors. The feedback module is connected to the first decoder and the at least two multi-symbol detectors. The equalization module performs equalization processing on convolutional data flows to obtain an equalized data flow. In this process, each multi-symbol detector performs multi-symbol detection processing on a convolutional data flow input into the multi-symbol detector. The first decoder decodes the equalized data flow to obtain a decoded data flow. The feedback module feeds back a feedback data flow to the at least two multi-symbol detectors. The equalization module performs equalization processing on the convolutional data flows based on the feedback data flow.

公开(公告)号：US10778253B2

公开(公告)日：2020-09-15

申请号：US15965250

申请日：2018-04-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhiyu Xiao ,  Ling Liu ,  Liangchuan Li

IPC: H03M13/39 ,  H03M13/25 ,  H04L1/00 ,  H04L25/03 ,  H03M13/41 ,  H03M13/17 ,  H03M13/27

Abstract: An embodiment method includes: performing balancing processing on a data stream that includes a plurality of sub-data stream segments, and performing segment de-interleaving on a data stream obtained after the balancing processing. The method further includes separately performing forward error correction (FEC) decoding on each sub-data stream segment in a data stream obtained after the segment de-interleaving. The method further includes performing, according to a balancing termination state of each sub-data stream segment obtained after previous balancing processing, balancing processing on each sub-data stream segment obtained after the FEC decoding, and performing FEC decoding on the data stream obtained after balancing processing is performed on each sub-data stream segment. When it is determined that a preset iteration termination condition is met, the method includes outputting the data stream obtained after the FEC decoding.

公开(公告)号：US10523238B2

公开(公告)日：2019-12-31

申请号：US14319729

申请日：2014-06-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Deyuan Chang ,  Fan Yu ,  Zhiyu Xiao

IPC: H03M13/11 ,  H03M13/33 ,  H03M13/00 ,  H03M13/03

Abstract: The present invention discloses a coding and decoding method, apparatus, and system for forward error correction, and pertains to the field of communications. The method includes: determining check matrix parameters of time-varying periodic LDPC convolutional code according to performance a transmission system, complexity of the transmission system, and a synchronization manner for code word alignment, constructing a QC-LDPC check matrix according to the determined check matrix parameters, and obtaining a check matrix (Hc) of the time-varying periodic LDPC convolutional code according to the QC-LDPC check matrix; de-blocking, according to requirements of the Hc, data to be coded, and coding data of each sub-block according to the Hc, so as to obtain multiple code words of the LDPC convolutional code; and adding the multiple code words of the LDPC convolutional code in a data frame and sending the data frame.

公开(公告)号：US20160142235A1

公开(公告)日：2016-05-19

申请号：US14979387

申请日：2015-12-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhiyu Xiao ,  Deyuan Chang

IPC: H04L27/22 ,  H04L1/00

CPC classification number: H04L27/22 ,  H03M13/336 ,  H04B10/61 ,  H04B10/6165 ,  H04L1/0047 ,  H04L1/0052 ,  H04L25/067 ,  H04L27/18 ,  H04L27/223

Abstract: The present application discloses a method for processing a signal. An apparatus detects, according to a check relationship set during a forward error correction coding, that a phase jump occurs in a data segment of a signal, and a quantity of degrees of the phase jump; performs, according to the quantity of degrees of the phase jump, a phase correction on the data segment; after the phase correction, performs a confidence correction on the data segment; and after the confidence correction, performs a forward error correction decision decoding on the data segment on which the confidence correction has been performed and output the data segment.

Abstract translation: 本申请公开了一种处理信号的方法。 一种装置根据在前向纠错编码中设置的检查关系来检测在信号的数据段中产生相位跳变以及相位跳跃的数量; 根据相位跳跃的数量，对数据段执行相位校正; 在相位校正之后，对数据段进行置信校正; 并且在置信校正之后，对已经执行置信校正的数据段执行前向纠错判定解码并输出数据段。

公开(公告)号：US09112533B2

公开(公告)日：2015-08-18

申请号：US13723031

申请日：2012-12-20

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhiyu Xiao ,  Deyuan Chang ,  Fan Yu

IPC: H03M13/13 ,  H03M13/11

CPC classification number: H03M13/13 ,  H03M13/1154

Abstract: The embodiments of the present invention provide an encoding and decoding method and device. The encoding method includes: equally dividing input K-bit information into n blocks, where k1, k2, . . . , and kn are used to represent each block of information; combining a kith block of information with n−1 encoded code words Vi−1, Vi−2, . . . , and Vi−n+1 of ki−1th, ki−2th, . . . , and ki−n+1th blocks, to obtain a code word to be encoded, where when a sequence number of an encoded code word is smaller than or equal to 0, the encoded code word is history information; performing, by using an LDPC check matrix, encoding on the code word to be encoded, where a generated check bit and the kith block of information form an encoded code word Vi; and outputting encoded code words V1, V2, . . . , and Vn. The embodiments of the present invention are applied in encoding and decoding.

Abstract translation: 本发明的实施例提供了一种编码和解码方法和装置。 编码方法包括：将输入K位信息等分成n个块，其中k1，k2，...。 。 。 ，和kn用于表示每个信息块; 将信息块与n-1个编码码字Vi-1，Vi-2组合。 。 。 ，第ki-1th，ki-2th的Vi-n + 1。 。 。 和第ki-n + 1个块，以获得要编码的码字，其中当编码码字的序列号小于或等于0时，编码码字是历史信息; 通过使用LDPC校验矩阵来对要编码的码字进行编码，其中产生的校验位和第一组信息块形成编码码字Vi; 并输出编码码字V1，V2。 。 。 ，和Vn。 本发明的实施例应用于编码和解码。