公开(公告)号：US08214727B2

公开(公告)日：2012-07-03

申请号：US12377841

申请日：2007-08-16

申请人： Seung Hyun Kang ,  Min Seok Oh ,  Ki Hyoung Cho ,  Jin Soo Choi ,  Jae Hoon Chung ,  Hyung Ho Park ,  Ji Wook Chung

发明人： Seung Hyun Kang ,  Min Seok Oh ,  Ki Hyoung Cho ,  Jin Soo Choi ,  Jae Hoon Chung ,  Hyung Ho Park ,  Ji Wook Chung

IPC分类号： H03M13/03

CPC分类号： H03M13/353 ,  H03M13/2957 ,  H03M13/3994 ,  H03M13/618 ,  H03M13/6306 ,  H03M13/635

摘要： An apparatus for encoding an information bit stream using turbo code is provided. The apparatus includes a temporary bit generator for creating a temporary bit stream, an interleaver for independently receiving the information bit stream and the temporary bit stream, a first constituent encoder for independently receiving the information bit stream and the temporary bit stream and generating a first parity bit stream and a second constituent encoder for receiving an output of the interleaver and generating a second parity bit stream. Performance of a turbo code can be enhanced without changing a code rate by making a decoded bit stream longer.

摘要翻译： 提供了一种使用turbo码对信息比特流进行编码的装置。 该装置包括用于创建临时比特流的临时比特发生器，用于独立地接收信息比特流和临时比特流的交织器，用于独立地接收信息比特流和临时比特流并产生第一奇偶校验的第一组合编码器 以及第二组成编码器，用于接收交织器的输出并产生第二奇偶校验位流。 可以通过使解码比特流更长而不改变码率来增强turbo码的性能。

公开(公告)号：US20090063926A1

公开(公告)日：2009-03-05

申请号：US12159083

申请日：2006-12-27

申请人： Ki Hyoung Cho ,  Min Seok Oh ,  Young Seob Lee ,  Ji Wook Chung

发明人： Ki Hyoung Cho ,  Min Seok Oh ,  Young Seob Lee ,  Ji Wook Chung

IPC分类号： H03M13/05 ,  G06F11/07

CPC分类号： H03M13/118 ,  H03M13/1102 ,  H03M13/6502

摘要： An apparatus and method for decoding a channel code is disclosed. The method for decoding a channel code includes the steps of receiving a low density parity check (LDPC) encoded signal from a transmitting party, generating a parity check matrix by adjusting the order of rows or columns of the parity check matrix, the parity check matrix including a plurality of groups consisting of a plurality of columns, at least one of the groups including at least one row of which every element is zero (0), and iteratively decoding the received signal for each group by using the generated parity check matrix.

摘要翻译： 公开了一种解码信道码的装置和方法。 用于对信道码进行解码的方法包括从发送方接收低密度奇偶校验（LDPC）编码信号的步骤，通过调整奇偶校验矩阵的行或列的顺序来生成奇偶校验矩阵，奇偶校验矩阵 包括由多个列组成的多个组，所述组中的至少一个包括至少一行，其中每个元素为零（0），并且通过使用所生成的奇偶校验矩阵对每个组的接收信号进行迭代解码。

公开(公告)号：US08196020B2

公开(公告)日：2012-06-05

申请号：US12278760

申请日：2007-01-31

申请人： Young Seob Lee ,  Min Seok Oh ,  Ji Wook Chung ,  Ki Hyoung Cho

发明人： Young Seob Lee ,  Min Seok Oh ,  Ji Wook Chung ,  Ki Hyoung Cho

IPC分类号： H03M13/00

CPC分类号： H03M13/1148 ,  H03M13/6356 ,  H03M13/6362 ,  H04L27/2626

摘要： The present invention relates to a method and a transmitter for matching a size of codeword encoded by low density parity check (LDPC) code to a size of a transmission channel and in a mobile communication system. A method of adjusting a codeword size in a communication system supporting an LDPC coding scheme, comprises steps of encoding source data by using a parity check matrix, and adjusting a size of the encoded codeword to be matched to a size of a transmission channel which is determined in accordance with a capacity of the transmission channel, the size of the encoded codeword being adjusted using information associated with column weights of the parity check matrix.

摘要翻译： 本发明涉及一种用于将由低密度奇偶校验（LDPC）码编码的码字的大小与传输信道的大小和移动通信系统相匹配的方法和发射机。 一种在支持LDPC编码方案的通信系统中调整码字大小的方法包括以下步骤：通过使用奇偶校验矩阵对源数据进行编码，并且调整编码码字的大小以匹配传输信道的大小， 根据传输信道的容量确定，使用与奇偶校验矩阵的列权重相关联的信息来调整编码码字的大小。

公开(公告)号：US20100199145A1

公开(公告)日：2010-08-05

申请号：US12377841

申请日：2007-08-16

申请人： Seung Hyun Kang ,  Min Seok Oh ,  Ki Hyoung Cho ,  Jin Soo Choi ,  Jae Hoon Chung ,  Hyung Ho Park ,  Ji Wook Chung

发明人： Seung Hyun Kang ,  Min Seok Oh ,  Ki Hyoung Cho ,  Jin Soo Choi ,  Jae Hoon Chung ,  Hyung Ho Park ,  Ji Wook Chung

IPC分类号： H03M13/27 ,  G06F11/10

CPC分类号： H03M13/353 ,  H03M13/2957 ,  H03M13/3994 ,  H03M13/618 ,  H03M13/6306 ,  H03M13/635

摘要： An apparatus for encoding an information bit stream using turbo code is provided. The apparatus includes a temporary bit generator for creating a temporary bit stream, an interleaver for independently receiving the information bit stream and the temporary bit stream, a first constituent encoder for independently receiving the information bit stream and the temporary bit stream and generating a first parity bit stream and a second constituent encoder for receiving an output of the interleaver and generating a second parity bit stream. Performance of a turbo code can be enhanced without changing a code rate by making a decoded bit stream longer.

摘要翻译： 提供了一种使用turbo码对信息比特流进行编码的装置。 该装置包括用于创建临时比特流的临时比特发生器，用于独立地接收信息比特流和临时比特流的交织器，用于独立地接收信息比特流和临时比特流并产生第一奇偶校验的第一组合编码器 以及第二组成编码器，用于接收交织器的输出并产生第二奇偶校验位流。 可以通过使解码比特流更长而不改变码率来增强turbo码的性能。

公开(公告)号：US08151161B2

公开(公告)日：2012-04-03

申请号：US12159083

申请日：2006-12-27

申请人： Ki Hyoung Cho ,  Min Seok Oh ,  Young Seob Lee ,  Ji Wook Chung

发明人： Ki Hyoung Cho ,  Min Seok Oh ,  Young Seob Lee ,  Ji Wook Chung

IPC分类号： G06F11/00

CPC分类号： H03M13/118 ,  H03M13/1102 ,  H03M13/6502

摘要： An apparatus and method for decoding a channel code is disclosed. The method for decoding a channel code includes the steps of receiving a low density parity check (LDPC) encoded signal from a transmitting party, generating a parity check matrix by adjusting the order of rows or columns of the parity check matrix, the parity check matrix including a plurality of groups consisting of a plurality of columns, at least one of the groups including at least one row of which every element is zero (0), and iteratively decoding the received signal for each group by using the generated parity check matrix.

摘要翻译： 公开了一种解码信道码的装置和方法。 用于对信道码进行解码的方法包括从发送方接收低密度奇偶校验（LDPC）编码信号的步骤，通过调整奇偶校验矩阵的行或列的顺序来生成奇偶校验矩阵，奇偶校验矩阵 包括由多个列组成的多个组，所述组中的至少一个包括至少一行，其中每个元素为零（0），并且通过使用所生成的奇偶校验矩阵对每个组的接收信号进行迭代解码。

公开(公告)号：US20100138719A1

公开(公告)日：2010-06-03

申请号：US12593171

申请日：2008-03-27

申请人： Young Seob Lee ,  Min Seok Oh ,  Ji Wook Chung ,  Sang Gook Kim ,  Ki Hyoung Cho

发明人： Young Seob Lee ,  Min Seok Oh ,  Ji Wook Chung ,  Sang Gook Kim ,  Ki Hyoung Cho

IPC分类号： H03M13/11 ,  G06F11/10

CPC分类号： H03M13/116 ,  H03M13/1102 ,  H03M13/118 ,  H03M13/1188 ,  H03M13/6306 ,  H03M13/6558 ,  H04L1/0041 ,  H04L1/0057

摘要： A method for encoding data using a parity check matrix is disclosed. The method for encoding data using a parity check matrix comprises generating a fourth base matrix by applying a row permutation pattern and a column permutation pattern to rows and columns of a third base matrix, respectively, the third base matrix including a plurality of indexes, each of the plurality of indexes indicating a sub-matrix; generating the parity check matrix by replacing each index of the fourth base matrix with a corresponding sub-matrix; outputting an encoded bit stream by encoding an input bit stream using the generated parity check matrix; and permuting an order of sequences of the encoded bit stream according to an inverse of the column permutation pattern.

摘要翻译： 公开了一种使用奇偶校验矩阵对数据进行编码的方法。 使用奇偶校验矩阵对数据进行编码的方法包括：通过分别对第三基本矩阵的行和列施加行排列模式和列排列模式来生成第四基本矩阵，所述第三基本矩阵包括多个索引，每个索引包括多个索引 所述多个索引指示子矩阵; 通过用对应的子矩阵代替第四基本矩阵的每个索引来生成奇偶校验矩阵; 通过使用所生成的奇偶校验矩阵对输入比特流进行编码来输出编码比特流; 以及根据列排列模式的倒数来排列编码比特流的序列的顺序。

公开(公告)号：US20090307562A1

公开(公告)日：2009-12-10

申请号：US12278760

申请日：2007-01-31

申请人： Young Seob Lee ,  Min Seok Oh ,  Ji Wook Chung ,  Ki Hyoung Cho

发明人： Young Seob Lee ,  Min Seok Oh ,  Ji Wook Chung ,  Ki Hyoung Cho

IPC分类号： H03M13/11 ,  H03M13/00

CPC分类号： H03M13/1148 ,  H03M13/6356 ,  H03M13/6362 ,  H04L27/2626

摘要： The present invention relates to a method and a transmitter for matching a size of codeword encoded by low density parity check (LDPC) code to a size of a transmission channel and in a mobile communication system. A method of adjusting a codeword size in a communication system supporting an LDPC coding scheme, comprises steps of encoding source data by using a parity check matrix, and adjusting a size of the encoded codeword to be matched to a size of a transmission channel which is determined in accordance with a capacity of the transmission channel, the size of the encoded codeword being adjusted using information associated with column weights of the parity check matrix.

摘要翻译： 本发明涉及一种用于将由低密度奇偶校验（LDPC）码编码的码字的大小与传输信道的大小和移动通信系统相匹配的方法和发射机。 一种在支持LDPC编码方案的通信系统中调整码字大小的方法包括以下步骤：通过使用奇偶校验矩阵对源数据进行编码，并且调整编码码字的大小以匹配传输信道的大小， 根据传输信道的容量确定，使用与奇偶校验矩阵的列权重相关联的信息来调整编码码字的大小。

公开(公告)号：US08438459B2

公开(公告)日：2013-05-07

申请号：US11722345

申请日：2005-12-22

申请人： Ki Hyoung Cho ,  Min Seok Oh ,  Kyu Hyuk Chung ,  Young Seob Lee

发明人： Ki Hyoung Cho ,  Min Seok Oh ,  Kyu Hyuk Chung ,  Young Seob Lee

IPC分类号： H03M13/00

CPC分类号： H03M13/616 ,  H03M13/1114 ,  H03M13/1137 ,  H03M13/114 ,  H03M13/116 ,  H03M13/1185 ,  H03M13/1188 ,  H03M13/6516 ,  H03M13/6566

摘要： An encoding and decoding method and apparatus. is disclosed. The method and apparatus improves encoding and decoding performance without using a large memory capacity and also reduces the complexity of hardware for implementation. According to the method, an encoded signal is received from a transmitting side, and the received signal is decoded using the parity check matrix. The parity check matrix includes layers where nonzero elements of a specific number or layers do not overlap in column direction.

摘要翻译： 一种编码和解码方法和装置。 被披露。 该方法和装置提高了编码和解码性能，而不需要大的存储容量，并且还降低了实现硬件的复杂性。 根据该方法，从发送侧接收编码信号，并且使用奇偶校验矩阵对接收到的信号进行解码。 奇偶校验矩阵包括其中特定数字或层的非零元素在列方向上不重叠的层。

公开(公告)号：US08194558B2

公开(公告)日：2012-06-05

申请号：US12376754

申请日：2007-08-09

申请人： Jinsoo Choi ,  Min Seok Oh ,  Ki Hyoung Cho ,  Seung Hyun Kang ,  Sung Ho Moon ,  Jae Hoon Chung ,  Hyung Ho Park ,  Doo Hyun Sung

发明人： Jinsoo Choi ,  Min Seok Oh ,  Ki Hyoung Cho ,  Seung Hyun Kang ,  Sung Ho Moon ,  Jae Hoon Chung ,  Hyung Ho Park ,  Doo Hyun Sung

IPC分类号： H04L12/26

CPC分类号： H04L1/0027 ,  H04B17/24 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0016 ,  H04L1/0021 ,  H04L1/0026 ,  H04L1/20 ,  H04L25/0224 ,  H04L27/261

摘要： A method of estimating a signal-to-noise ratio by considering user mobility, a method of adjusting feedback information transmission, an adaptive modulation and coding method using the same, and a transceiver thereof are disclosed. The present invention includes measuring a first channel parameter and a second channel parameter using first and second symbols sequentially received, respectively, estimating a channel quality considering a time delay between measurements of the first and second channel parameters using the first and second channel parameters, and transmitting information for the estimated channel quality if a variation of the first and second channel parameters is equal to or greater than a prescribed threshold. Accordingly, the present invention reduces performance degradation and feedback overhead caused by a time delay in channel quality estimation.

摘要翻译： 公开了一种通过考虑用户移动性来估计信噪比的方法，调整反馈信息传输的方法，使用该方法的自适应调制和编码方法及其收发信机。 本发明包括使用分别顺序接收的第一和第二符号来测量第一信道参数和第二信道参数，分别考虑使用第一和第二信道参数测量第一和第二信道参数之间的时间延迟来估计信道质量，以及 如果第一和第二信道参数的变化等于或大于规定的阈值，则发送估计信道质量的信息。 因此，本发明减少了由信道质量估计中的时间延迟引起的性能下降和反馈开销。

公开(公告)号：US20100309793A1

公开(公告)日：2010-12-09

申请号：US12376754

申请日：2007-08-09

申请人： Jin Soo Choi ,  Min Seok Oh ,  Ki Hyoung Cho ,  Seung Hyun Kang ,  Sung Ho Moon ,  Jae Hoon Chung ,  Hyung Ho Park ,  Doo Hyun Sung

发明人： Jin Soo Choi ,  Min Seok Oh ,  Ki Hyoung Cho ,  Seung Hyun Kang ,  Sung Ho Moon ,  Jae Hoon Chung ,  Hyung Ho Park ,  Doo Hyun Sung

IPC分类号： H04J1/16

CPC分类号： H04L1/0027 ,  H04B17/24 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0016 ,  H04L1/0021 ,  H04L1/0026 ,  H04L1/20 ,  H04L25/0224 ,  H04L27/261

摘要： A method of estimating a signal-to-noise ratio by considering user mobility, a method of adjusting feedback information transmission, an adaptive modulation and coding method using the same, and a transceiver thereof are disclosed. The present invention includes measuring a first channel parameter and a second channel parameter using first and second symbols sequentially received, respectively, estimating a channel quality considering a time delay between measurements of the first and second channel parameters using the first and second channel parameters, and transmitting information for the estimated channel quality if a variation of the first and second channel parameters is equal to or greater than a prescribed threshold. Accordingly, the present invention reduces performance degradation and feedback overhead caused by a time delay in channel quality estimation.

摘要翻译： 公开了一种通过考虑用户移动性来估计信噪比的方法，调整反馈信息传输的方法，使用该方法的自适应调制和编码方法及其收发信机。 本发明包括使用分别顺序接收的第一和第二符号来测量第一信道参数和第二信道参数，分别考虑使用第一和第二信道参数测量第一和第二信道参数之间的时间延迟来估计信道质量，以及 如果第一和第二信道参数的变化等于或大于规定的阈值，则发送估计信道质量的信息。 因此，本发明减少了由信道质量估计中的时间延迟引起的性能下降和反馈开销。