专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

61. 发明申请

US20080288846A1 APPARATUS AND METHOD FOR ENCODING AND DECODING BLOCK LOW DENSITY PARITY CHECK CODES WITH A VARIABLE CODING RATE 有权
标题翻译：用于编码和解码具有可变代码率的块低密度奇偶校验码的装置和方法
公开(公告)号：US20080288846A1
公开(公告)日：2008-11-20
申请号：US12029915
申请日：2008-02-12
申请人： Gyu-Bum Kyung , Hyun-Koo Yang , Se-Ho Myung , Hong-Sil Jeong , Kyeong-Cheol Yang , Dong-Seek Park , Jae-Yoel Kim
发明人： Gyu-Bum Kyung , Hyun-Koo Yang , Se-Ho Myung , Hong-Sil Jeong , Kyeong-Cheol Yang , Dong-Seek Park , Jae-Yoel Kim
IPC分类号： H03M13/05 , G06F11/10
CPC分类号： H03M13/1148 , H03M13/1111 , H03M13/118 , H03M13/1185 , H03M13/1188 , H03M13/6356 , H03M13/6362 , H03M13/6393 , H03M13/6516
摘要： An apparatus and method for coding a block Low Density Parity Check (LDPC) code having a variable coding rate. The apparatus receives an information word and encodes the information word into a block LDPC code based on one of a first parity check matrix and a second parity check matrix, depending on a coding rate to be applied when generating the information word into the block LDPC code.
摘要翻译：一种用于编码具有可变编码率的块低密度奇偶校验（LDPC）码的装置和方法。该装置接收信息字，并且根据在将信息字生成到块LDPC码时要应用的编码率，基于第一奇偶校验矩阵和第二奇偶校验矩阵中的一个，将信息字编码为块LDPC码。

62. 发明授权

US07450532B2 Apparatus and method for transmitting data by selected eigenvector in closed loop MIMO mobile communication system 有权
标题翻译：在闭环MIMO移动通信系统中通过选定的特征向量发送数据的装置和方法
公开(公告)号：US07450532B2
公开(公告)日：2008-11-11
申请号：US11005398
申请日：2004-12-06
申请人： Chan-Byoung Chae , Hong-Sil Jeong , Katz Marcos Daniel , Seok Hyun Yoon , Dong-Seek Park , Chang-Ho Suh , Jae-Yoel Kim , Young-Kwon Cho
发明人： Chan-Byoung Chae , Hong-Sil Jeong , Katz Marcos Daniel , Seok Hyun Yoon , Dong-Seek Park , Chang-Ho Suh , Jae-Yoel Kim , Young-Kwon Cho
IPC分类号： H04J11/00
CPC分类号： H04B7/0417 , H04B7/0634 , H04L1/06
摘要： Disclosed is a method for transmitting/receiving data by use of feedback information in a closed loop multi input multi output (MIMO) mobile communication system. The method includes the steps of feeding back transmission eigenvector selection information determined through a singular value decomposition (SVD) of a channel matrix and transmitting the transmission eigenvector selection information to a transmitter; and receiving the feedback transmission eigenvector selection information, selecting transmission data according to the received transmission eigenvector selection information, mapping the selected transmission data to at least one transmission antenna, and transmitting the transmission data to a receiver.
摘要翻译：公开了一种在闭环多输入多输出（MIMO）移动通信系统中通过使用反馈信息发送/接收数据的方法。该方法包括以下步骤：反馈通过信道矩阵的奇异值分解（SVD）确定的发送特征向量选择信息，并将发送特征向量选择信息发送给发送机; 以及接收所述反馈传输特征向量选择信息，根据接收到的传输特征向量选择信息选择传输数据，将所选择的传输数据映射到至少一个传输天线，以及将传输数据发送到接收机。

63. 发明申请

US20070011570A1 Apparatus and method for transmitting/receiving data in a communication system using structured low density parity check code 有权
标题翻译：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。

64. 发明申请

US20060039495A1 Apparatus and method for space-time block coding for increasing coding gain 审中-公开
标题翻译：用于增加编码增益的用于时空块编码的装置和方法
公开(公告)号：US20060039495A1
公开(公告)日：2006-02-23
申请号：US11205252
申请日：2005-08-16
申请人： Chan-Byoung Chae , Sung-Ryul Yun , Hong-Sil Jeong , Won-Il Roh , Dong-Seek Park , Pan-Yuh Joo , Jeong-Tae Oh , Kyun-Byoung Ko
发明人： Chan-Byoung Chae , Sung-Ryul Yun , Hong-Sil Jeong , Won-Il Roh , Dong-Seek Park , Pan-Yuh Joo , Jeong-Tae Oh , Kyun-Byoung Ko
IPC分类号： H04K1/10 , H04L1/02
CPC分类号： H04L1/0071 , H04L1/0625 , H04L1/0637
摘要： A space-time block coding apparatus and method in a transmitter with four transmit antennas in a system using a space-time block coding scheme, a pre-coder pre-codes an input symbol sequence by multiplying the input symbol sequence by ejθ, θ being a phase rotation angle, in case of QPSK in range of 0≦θ≦90, 23.5≦θ≦24.5, or 65.5≦θ≦66.5, in case of 16QAM in range of 0≦θ≦90, 15.5≦θ≦17.5 or 72.5≦θ≦74.5, the pre-coded symbol sequence being reconstructed to have real and imaginary parts. A mapper generates symbol vectors by recombining the real and imaginary parts of the pre-coded symbol sequence in an interleaving scheme. A plurality of Alamouti coders encodes the symbol vectors in an Alamouti scheme and transmits the encoded symbol vectors through corresponding transmit antennas.
摘要翻译：在使用空时块编码方案的系统中，在具有四个发射天线的发射机中的时空块编码装置和方法，预编码器通过将输入符号序列乘以e ^{来对输入符号序列进行预编码，在QPSK范围为0 <=θ<= 90，23.5 <=θ= 24.5或65.5 <=θ= 66.5的情况下，θ为相位旋转角度，在16QAM的情况下范围为0 <=θ<= 90，15.5 <=θ= 17.5或72.5 <=θ= 74.5，所述预编码符号序列被重建为具有实部和虚部。映射器通过在交织方案中重新组合预编码符号序列的实部和虚部来生成符号向量。多个Alamouti编码器以Alamouti方案对符号向量进行编码，并通过对应的发送天线发送编码的符号向量。}

65. 发明申请

US20060036927A1 Apparatus and method for encoding and decoding a block low density parity check code 有权
公开(公告)号：US20060036927A1
公开(公告)日：2006-02-16
申请号：US11201663
申请日：2005-08-10
申请人： Gyu-Bum Kyung , Hong-Sil Jeong , Dong-Seek Park , Jae-Yoel Kim
发明人： Gyu-Bum Kyung , Hong-Sil Jeong , Dong-Seek Park , Jae-Yoel Kim
IPC分类号： H03M13/00
CPC分类号： H03M13/116 , H03M13/1134 , H03M13/118 , H03M13/1182 , H03M13/1185 , H03M13/1188 , H03M13/6356 , H03M13/6362 , H04L1/005 , H04L1/0057
摘要： Apparatus and method for coding a block low density parity check (LDPC) code. Upon receiving an information word vector, an encoder codes the information word vector into a block LDPC code according to a predetermined generation matrix. A modulator modulates the block LDPC code into a modulation symbol using a predetermined modulation scheme. A transmitter transmits the modulation symbol.

66. 发明申请

US20050249306A1 Apparatus and method for encoding/decoding space tine block code in a mobile communication system using multiple input multiple output scheme 有权
标题翻译：在使用多输入多输出方案的移动通信系统中对空间信号块码进行编码/解码的装置和方法
公开(公告)号：US20050249306A1
公开(公告)日：2005-11-10
申请号：US11124888
申请日：2005-05-09
申请人： Chan-Byoung Chae , Hong-Sil Jeong , Katz Daniel , Dong-Seek Park , Young-Kwon Cho
发明人： Chan-Byoung Chae , Hong-Sil Jeong , Katz Daniel , Dong-Seek Park , Young-Kwon Cho
IPC分类号： H04J99/00 , H04B7/04 , H04L1/02 , H04L1/06
CPC分类号： H04L1/0643
摘要： Disclosed is an apparatus and method for encoding/decoding a space time block code in a mobile communication system using a multiple input multiple output scheme. In a transmitter employing a plurality of transmit antennas in the mobile communication system, if a signal to be transmitted is input, the transmit signal is pre-encoded according to a preset coding scheme, the pre-encoded signal is space-time mapped according to a number of the transmit antennas to employ a preset space time block coding scheme, and the space-time mapped signal is transmitted through the transmit antennas by applying the preset space time block coding scheme to the space-time mapped signal.
摘要翻译：公开了一种使用多输入多输出方案在移动通信系统中对时空块码进行编码/解码的装置和方法。在移动通信系统中采用多个发射天线的发射机中，如果要发射的信号被输入，则根据预设的编码方案对发射信号进行预编码，根据预编码信号进行空时映射使用预设空间时间块编码方案的多个发送天线，并且通过将预设空间时间块编码方案应用于时空映射信号，通过发送天线发送空时映射信号。

67. 发明授权

US07774678B2 Apparatus and method for encoding and decoding a low density parity check code with maximum error correction and error detection capability 有权
标题翻译：用于对具有最大误差校正和误差检测能力的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：US07774678B2
公开(公告)日：2010-08-10
申请号：US11057445
申请日：2005-02-14
申请人： Seung-Hoon Choi , Gyu-Bum Kyung , Hong-Sil Jeong , Jae-Yoel Kim
发明人： Seung-Hoon Choi , Gyu-Bum Kyung , Hong-Sil Jeong , Jae-Yoel Kim
IPC分类号： H03M13/00
CPC分类号： H04L1/0041 , H03M13/11 , H04L1/005 , H04L1/0057 , H04L1/0071
摘要： An apparatus and method for decoding a Low Density Parity Check (LDPC) code having a maximum error correction capability and an error detection capability. In the apparatus, a decoder receives a signal, and decodes the received signal according to a second parity check matrix having parity check expressions obtained by selecting a predetermined number of dependent parity check expressions among dependent parity check expressions generated by combining, with a predetermined scheme, parity check expressions representing rows of a first parity check matrix obtained by encoding information data into a block code having an optimum minimum distance considering a predetermined coding rate, and adding the selected dependent parity check expressions to the parity check expressions of the first parity check matrix. An error detector determines if there is an error in a signal output from the decoder.
摘要翻译：一种用于解码具有最大纠错能力和错误检测能力的低密度奇偶校验（LDPC）码的装置和方法。在该装置中，解码器接收信号，并且根据具有奇偶校验表达式的第二奇偶校验矩阵对接收信号进行解码，该奇偶校验矩阵通过选择通过将预定方案组合而产生的相关奇偶校验表达式中的预定数量的相关奇偶校验表达式表示代表通过将信息数据编码成具有考虑到预定编码率的最佳最小距离的块码而获得的第一奇偶校验矩阵的行的奇偶校验表达式，并且将所选择的相关奇偶校验表达式与第一奇偶校验的奇偶校验表达式相加矩阵。误差检测器确定从解码器输出的信号中是否存在错误。

68. 发明申请

US20050235195A1 Apparatus and method for encoding and decoding a low density parity check code with maximum error correction and error detection capability 有权
标题翻译：用于对具有最大误差校正和误差检测能力的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：US20050235195A1
公开(公告)日：2005-10-20
申请号：US11057445
申请日：2005-02-14
申请人： Seung-Hoon Choi , Gyu-Bum Kyung , Hong-Sil Jeong , Jae-Yosi Kim
发明人： Seung-Hoon Choi , Gyu-Bum Kyung , Hong-Sil Jeong , Jae-Yosi Kim
IPC分类号： H04L1/00 , G06F11/00 , H03M13/00 , H03M13/11
CPC分类号： H04L1/0041 , H03M13/11 , H04L1/005 , H04L1/0057 , H04L1/0071
摘要： An apparatus and method for decoding a Low Density Parity Check (LDPC) code having a maximum error correction capability and an error detection capability. In the apparatus, a decoder receives a signal, and decodes the received signal according to a second parity check matrix having parity check expressions obtained by selecting a predetermined number of dependent parity check expressions among dependent parity check expressions generated by combining, with a predetermined scheme, parity check expressions representing rows of a first parity check matrix obtained by encoding information data into a block code having an optimum minimum distance considering a predetermined coding rate, and adding the selected dependent parity check expressions to the parity check expressions of the first parity check matrix. An error detector determines if there is an error in a signal output from the decoder.
摘要翻译：一种用于解码具有最大纠错能力和错误检测能力的低密度奇偶校验（LDPC）码的装置和方法。在该装置中，解码器接收信号，并且根据具有奇偶校验表达式的第二奇偶校验矩阵对接收信号进行解码，该校验矩阵通过将预定数量的相关奇偶校验表达式与预定方案表示代表通过将信息数据编码成具有考虑到预定编码率的最佳最小距离的块码而获得的第一奇偶校验矩阵的行的奇偶校验表达式，并且将所选择的相关奇偶校验表达式与第一奇偶校验的奇偶校验表达式相加矩阵。误差检测器确定从解码器输出的信号中是否存在错误。

69. 发明授权

US08719683B2 Apparatus and method for coding/decoding block low density parity check code in a mobile communication system 有权
标题翻译：在移动通信系统中对低密度奇偶校验码进行编码/解码的装置和方法
公开(公告)号：US08719683B2
公开(公告)日：2014-05-06
申请号：US13047471
申请日：2011-03-14
申请人： Gyu-Bum Kyung , Hong-Sil Jeong , Jae-Yoel Kim , Sung-Eun Park , Kyeong-Cheol Yang , Se-Ho Myung
发明人： Gyu-Bum Kyung , Hong-Sil Jeong , Jae-Yoel Kim , Sung-Eun Park , Kyeong-Cheol Yang , Se-Ho Myung
IPC分类号： H03M13/00
CPC分类号： H03M13/1105 , H03M13/1102 , H03M13/1151 , H03M13/1162 , H03M13/1171 , H03M13/118 , H03M13/1185 , H03M13/1188 , H03M13/1194
摘要： A system and method for processing a block Low Density Parity Check (LDPC) code are provided. The system includes, a decoding apparatus for decoding a block LDPC code using a parity check matrix, the parity check matrix including an information part and a parity part, the parity part including a first section (B) including a plurality of first permutation matrices, a second section (D) including a second permutation matrix, a third section (T) including a plurality of identity matrices (I) arranged diagonally within the third section and a plurality of third permutation matrices arranged below the plurality of identity matrices, and a fourth section (E) including a fourth permutation matrix.
摘要翻译：提供了一种用于处理块低密度奇偶校验（LDPC）码的系统和方法。该系统包括：使用奇偶校验矩阵解码块LDPC码的解码装置，奇偶校验矩阵包括信息部分和奇偶校验部分，奇偶校验部分包括包括多个第一置换矩阵的第一部分（B）包括第二置换矩阵的第二部分（D），包括在第三部分内对角排列的多个单位矩阵（I）的第三部分（T）和布置在多个单位矩阵之下的多个第三置换矩阵，以及第四部分（E）包括第四置换矩阵。

70. 发明授权

US07962828B2 Apparatus and method for coding/decoding block low density parity check code in a mobile communication system 有权
标题翻译：在移动通信系统中对低密度奇偶校验码进行编码/解码的装置和方法
公开(公告)号：US07962828B2
公开(公告)日：2011-06-14
申请号：US11831688
申请日：2007-07-31
申请人： Gyu-Bum Kyung , Hong-Sil Jeong , Jae-Yoel Kim , Sung-Eun Park , Kyeong-Cheol Yang , Se-Ho Myung
发明人： Gyu-Bum Kyung , Hong-Sil Jeong , Jae-Yoel Kim , Sung-Eun Park , Kyeong-Cheol Yang , Se-Ho Myung
IPC分类号： H03M13/00
CPC分类号： H03M13/1105 , H03M13/1102 , H03M13/1151 , H03M13/1162 , H03M13/1171 , H03M13/118 , H03M13/1185 , H03M13/1188 , H03M13/1194
摘要： A method for generating a parity check matrix of a block LDPC code. The parity check matrix includes an information part corresponding to an information word and a first parity part and a second parity part each corresponding to a parity. The method includes determining a size of the parity check matrix based on a coding rate applied when coding the information word with the block LDPC code, and a codeword length; dividing a parity check matrix with the determined size into a predetermined number of blocks; classifying the blocks into blocks corresponding to the information part, blocks corresponding to the first parity part, and blocks corresponding to the second parity part; arranging permutation matrixes in predetermined blocks from among the blocks classified as the first parity part, and arranging identity matrixes in a full lower triangular form in predetermined blocks from among the blocks classified as the second parity part; and arranging the permutation matrixes in the blocks classified as the information part such that a minimum cycle length is maximized and weight values are irregular on a factor graph of the block LDPC code.
摘要翻译：一种用于产生块LDPC码的奇偶校验矩阵的方法。奇偶校验矩阵包括对应于信息字的信息部分和对应于奇偶校验的第一奇偶校验部分和第二奇偶校验部分。该方法包括基于在使用块LDPC码对信息字进行编码时应用的编码率和码字长度来确定奇偶校验矩阵的大小; 将具有所确定的大小的奇偶校验矩阵除以预定数量的块; 将块分类为对应于信息部分的块，对应于第一奇偶校验部分的块，以及对应于第二奇偶校验部分的块; 从分类为第一奇偶校验部分的块中将预定块中的置换矩阵排列在预定块中的整个下三角形形式中的单位矩阵，从被分类为第二奇偶校验部分的块中排列; 以及将排列矩阵排列在分组为信息部分的块中，使得最小周期长度最大化，权重值在块LDPC码的因子图上是不规则的。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式