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    Apparatus and method for encoding and decoding a space-time low density parity check code with full diversity gain
    43.
    发明授权
    Apparatus and method for encoding and decoding a space-time low density parity check code with full diversity gain 有权
    用于对具有全分集增益的时空低密度奇偶校验码进行编码和解码的装置和方法

    公开(公告)号：US07389464B2

    公开(公告)日：2008-06-17

    申请号：US11052673

    申请日：2005-02-07

    申请人： Hong-Sil Jeong ,  Seok-Hyun Yoon ,  Jae-Yoel Kim ,  Chan-Byoung Chae

    发明人： Hong-Sil Jeong ,  Seok-Hyun Yoon ,  Jae-Yoel Kim ,  Chan-Byoung Chae

    IPC分类号： H03M13/25 ,  H03M13/29 ,  H04B7/06 ,  H04B7/07

    CPC分类号： H04L1/0057 ,  H03M13/1102 ,  H04L1/0625 ,  H04L1/0631

    摘要： In a mobile communication system including a transmitter and a receiver, an LDPC code is generated by encoding received information data such that a fifth partial matrix obtained by combining a second partial matrix having even-numbered columns of a first partial matrix corresponding to the information data with a fourth partial matrix having odd-numbered columns of a third partial matrix corresponding to a parity, and an eighth partial matrix obtained by combining a sixth partial matrix having odd-numbered columns of the first partial matrix with a seventh partial matrix having even-numbered columns of the third partial matrix correspond to a ninth partial matrix obtained by exclusive-ORing the first partial matrix and the third partial matrix and a parity check matrix having a predetermined rank in a binary field. A space-time LDPC code is generated by spatial-mapping the LDPC code according to a predetermined spatial mapping scheme.

    摘要翻译： 在包括发射机和接收机的移动通信系统中，通过编码所接收的信息数据来生成LDPC码，使得通过组合具有与信息数据相对应的第一部分矩阵的具有偶数列的第二部分矩阵而获得的第五部分矩阵 第四部分矩阵具有对应于奇偶校验的第三部分矩阵的奇数列，以及通过将具有第一部分矩阵的奇数列的第六部分矩阵与具有偶数列的第七部分矩阵组合而获得的第八部分矩阵， 第三部分矩阵的编号列对应于通过对二进制字段中的第一部分矩阵和第三部分矩阵进行异或运算而获得的第九部分矩阵和具有预定等级的奇偶校验矩阵。 通过根据预定的空间映射方案对LDPC码进行空间映射来生成时空LDPC码。

    APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING SIGNAL IN A COMMUNICATION SYSTEM
    44.
    发明申请
    APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING SIGNAL IN A COMMUNICATION SYSTEM 有权
    用于在通信系统中发送/接收信号的装置和方法

    公开(公告)号：US20070283216A1

    公开(公告)日：2007-12-06

    申请号：US11751339

    申请日：2007-05-21

    申请人： Gyu-Bum Kyung ,  Seung-Hoon Choi ,  Hong-Sil Jeong ,  Dong-Seek Park ,  Jae-Yoel Kim ,  Sung-Eun Park ,  Hyun-Koo Yang ,  Kyeong-Cheol Yang

    发明人： Gyu-Bum Kyung ,  Seung-Hoon Choi ,  Hong-Sil Jeong ,  Dong-Seek Park ,  Jae-Yoel Kim ,  Sung-Eun Park ,  Hyun-Koo Yang ,  Kyeong-Cheol Yang

    IPC分类号： H03M13/00

    CPC分类号： H03M13/11 ,  H03M13/255 ,  H03M13/27

    摘要： A signal transmission apparatus in a communication system is disclosed. A channel interleaver generates an interleaved vector by channel-interleaving a Low Density Parity Check (LDPC) codeword according to a channel interleaving rule, and a modulator generates a modulation symbol by modulating the interleaved vector according to a modulation scheme. The channel interleaving rule is one of a first channel interleaving rule and a second channel interleaving rule. The first channel interleaving rule is a rule for setting degree distribution for nodes in a factor graph of the LDPC codeword separately for individual levels supported by the modulation scheme. The second channel interleaving rule is a rule for allowing coded bits included in the LDPC codeword to be interleaved according to an unequal error characteristic of the modulation scheme.

    摘要翻译： 公开了一种通信系统中的信号发送装置。 信道交织器根据信道交织规则通过对低密度奇偶校验（LDPC）码字进行信道交织来生成交错矢量，并且调制器通过根据调制方式调制交织向量来产生调制符号。 信道交织规则是第一信道交织规则和第二信道交织规则之一。 第一信道交织规则是用于针对由调制方案支持的各个级别分别设置LDPC码字的因子图中的节点的度数分布的规则。 第二信道交织规则是用于允许根据调制方案的不等错误特性来交织包含在LDPC码字中的编码比特的规则。

    Apparatus and method for coding and decoding irregular repeat accumulate codes
    45.
    发明授权
    Apparatus and method for coding and decoding irregular repeat accumulate codes 有权
    用于编码和解码不规则重复累加码的装置和方法

    公开(公告)号：US07302629B2

    公开(公告)日：2007-11-27

    申请号：US11009231

    申请日：2004-12-10

    申请人： Gyu-Bum Kyung ,  Hong-Sil Jeong ,  Jae-Yoel Kim

    发明人： Gyu-Bum Kyung ,  Hong-Sil Jeong ,  Jae-Yoel Kim

    IPC分类号： H03M13/29 ,  H03M13/45

    CPC分类号： H03M13/2972 ,  H03M13/1148 ,  H03M13/1185 ,  H03M13/1194 ,  H03M13/27

    摘要： An apparatus and method for coding an irregular Repeat Accumulate (RA) code. A repeater repeats a received information word such that the information word corresponds to weights of a first information part and a second information part of a parity check matrix in which permutation matrixes are arranged in the first information part and the second information part corresponding to the information word such that a minimum length of a cycle on a factor graph of the irregular RA code becomes a predetermined length and weights are irregular, and a dual diagonal matrix is arranged in a parity part corresponding to a parity. An interleaver interleaves a signal output from the repeater using an interleaving scheme predefined for the parity check matrix. An accumulator generates the irregular RA code by accumulating a signal output from the interleaver according to a weight of the parity part.

    摘要翻译： 用于对不规则重复累积（RA）代码进行编码的装置和方法。 中继器重复接收到的信息字，使得信息字对应于奇偶校验矩阵的第一信息部分和第二信息部分的权重，其中排列矩阵排列在第一信息部分中，第二信息部分对应于信息 字，使得不规则RA码的因子图上的周期的最小长度变为预定长度，并且权重是不规则的，并且在对应于奇偶校验的奇偶校验部分中布置双对角矩阵。 交织器使用为奇偶校验矩阵预定义的交织方案来交织从中继器输出的信号。 累加器通过根据奇偶校验部分的权重累加从交织器输出的信号来产生不规则RAD码。

    System and method for transmitting/receiving a signal in a communication system
    48.
    发明申请
    System and method for transmitting/receiving a signal in a communication system 审中-公开
    用于在通信系统中发送/接收信号的系统和方法

    公开(公告)号：US20070058676A1

    公开(公告)日：2007-03-15

    申请号：US11496123

    申请日：2006-07-31

    申请人： Chi-Woo Lim ,  Gyu-Bum Kyung ,  Dong-Seek Park ,  Jae-Yoel Kim

    发明人： Chi-Woo Lim ,  Gyu-Bum Kyung ,  Dong-Seek Park ,  Jae-Yoel Kim

    IPC分类号： H04J3/22

    CPC分类号： H04L1/0026 ,  H03M13/1102 ,  H03M13/356 ,  H03M13/6544 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0068

    摘要： Disclosed is a method for transmitting a signal in a signal transmission system, which includes demultiplexing a bit stream to be transmitted into a first bit stream and a second bit stream; generating a first coded bit stream by coding the first bit stream according to a first coding rate and generating a second coded bit stream by coding the second bit stream according to a second coding rate; and generating a coded symbol by concatenating the first coded bit stream and the second coded bit stream.

    摘要翻译： 公开了一种用于在信号传输系统中发送信号的方法，该方法包括将要发送的比特流解复用为第一比特流和第二比特流; 通过根据第一编码率对第一比特流进行编码来生成第一编码比特流，并且根据第二编码率对第二比特流进行编码来生成第二编码比特流; 以及通过连接所述第一编码比特流和所述第二编码比特流来生成编码符号。

    Apparatus and method for transmitting/receiving data in a communication system using structured low density parity check code
    49.
    发明申请
    Apparatus and method for transmitting/receiving data in a communication system using structured low density parity check code 有权
    在使用结构化低密度奇偶校验码的通信系统中发送/接收数据的装置和方法

    公开(公告)号：US20070011570A1

    公开(公告)日：2007-01-11

    申请号：US11471795

    申请日：2006-06-21

    申请人： Hong-Sil Jeong ,  Chan-Byoung Chae ,  Dong-Seek Park ,  Jae-Yoel Kim ,  Young-Kyun Kim

    发明人： Hong-Sil Jeong ,  Chan-Byoung Chae ,  Dong-Seek Park ,  Jae-Yoel Kim ,  Young-Kyun Kim

    IPC分类号： H03M13/00

    CPC分类号： H03M13/116 ,  H03M13/31

    摘要： Provided is an apparatus and method for transmitting/receiving data in a communication system using a structured Low Density Parity Check (LDPC) code. The transmitter performs structured LDPC coding on input information data using a structured LDPC code, parallel-converts a structured LDPC codeword generated by performing the structured LDPC coding, in units of groups having a predetermined size, and transmits data. The receiver receives a plurality of parallel data streams, serial-converts the received parallel data streams in units of groups having a predetermined size, and performs structured LDPC decoding on the data which was serial-converted group by group, using a structured LDPC code.

    摘要翻译： 提供了一种在使用结构化低密度奇偶校验（LDPC）码的通信系统中发送/接收数据的装置和方法。 发射机使用结构化LDPC码对输入信息数据执行结构化LDPC编码，以具有预定大小的组为单位并行转换通过执行结构化LDPC编码生成的结构化LDPC码字，并发送数据。 接收机接收多个并行数据流，以具有预定大小的组为单位对所接收的并行数据流进行串行转换，并使用结构化LDPC码对逐个串行转换的数据进行结构化LDPC解码。

    Channel coding/decoding apparatus and method for a CDMA mobile communication system
    50.
    发明授权
    Channel coding/decoding apparatus and method for a CDMA mobile communication system 有权
    CDMA移动通信系统的信道编码/解码装置和方法

    公开(公告)号：US07050417B2

    公开(公告)日：2006-05-23

    申请号：US09933091

    申请日：2001-08-20

    申请人： Jae-Yoel Kim

    发明人： Jae-Yoel Kim

    IPC分类号： H04B7/216

    CPC分类号： H04L1/0057 ,  H03M13/136 ,  H03M13/6362 ,  H04L1/0069

    摘要： Disclosed is a method for generating (2k−2t) first order Reed-Muller codes from 2k first order Reed-Muller codes based on k input information bits. The method comprises selecting t linearly independent kth order vectors; generating 2t linear combinations by linearly combining the t selected vectors; calculating 2t puncturing positions corresponding to the 2t linear combinations; selecting one k×k matrix out of a plurality of k×k matrixes having k×k inverse matrixes; calculating 2t new puncturing positions by multiplying each of the 2t puncturing positions by the selecting k×k matrix; and generating (2k−2t) first order Reed-Muller codes by puncturing the 2t new puncturing positions from the 2k first order Reed-Muller codes.

    摘要翻译： 公开了一种用于从基于第一阶Reed-Muller码的第二阶Reed-Muller码产生（2-k2-2）的第一阶Reed-Muller码的方法 在k个输入信息位上。 该方法包括选择t个线性独立的第k个次序矢量; 通过线性组合t个所选择的向量来产生2 计算与2条线性组合对应的2个删截位置; 从具有k×k个逆矩阵的多个k×k矩阵中选择一个k×k矩阵; 通过将2个删截位置乘以选择kxk矩阵来计算2个新的删截位置; 并通过从第2阶段中删除2个新的删截位置来产生第一阶Reed-Muller码（2-k2-2） k一次Reed-Muller码。