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1. 发明授权

EP2926462B1 ADAPTIVE SCALING OF BELIEF PROPAGATION DECODING FOR HIGH/MEDIUM/LOW DENSITY PARTIY CHECK CODES (H/M/LDPC CODES) 有权
公开(公告)号：EP2926462B1
公开(公告)日：2018-07-04
申请号：EP13861260.1
申请日：2013-12-03
申请人： LN2 DB, LLC
发明人： VOJCIC, Branimir, R. , SHAYEGH, Farnaz
IPC分类号： H03M13/11 , H03M13/15 , H03M13/25 , H03M13/27 , H03M13/29 , H03M13/37 , H04L1/00 , H03M13/45 , G06F11/16 , H04L25/02 , H04L27/26 , H04B17/309 , H03M13/09 , H03M13/23 , H03M13/39
CPC分类号： H04L1/0045 , G06F11/1625 , H03M13/09 , H03M13/1108 , H03M13/1111 , H03M13/112 , H03M13/1131 , H03M13/1154 , H03M13/1191 , H03M13/1515 , H03M13/23 , H03M13/255 , H03M13/27 , H03M13/2792 , H03M13/2906 , H03M13/2933 , H03M13/2948 , H03M13/3707 , H03M13/373 , H03M13/3746 , H03M13/3784 , H03M13/3938 , H03M13/45 , H03M13/451 , H03M13/453 , H03M13/612 , H03M13/616 , H03M13/6325 , H03M13/6337 , H03M13/6362 , H03M13/6541 , H03M13/6552 , H03M13/658 , H04B17/309 , H04L1/004 , H04L1/005 , H04L1/0057 , H04L1/0059 , H04L1/0065 , H04L1/0071 , H04L25/022 , H04L25/0222 , H04L25/0224 , H04L25/0236 , H04L27/261 , H04L27/2649 , H05K999/99
摘要： Systems and methods for decoding block and concatenated codes are provided. These include advanced iterative decoding techniques based on belief propagation algorithms, with particular advantages when applied to codes having higher density parity check matrices. Improvements are also provided for performing channel state information estimation including the use of optimum filter lengths based on channel selectivity and adaptive decision-directed channel estimation. These improvements enhance the performance of various communication systems and consumer electronics. Particular improvements are also provided for decoding HD Radio signals, including enhanced decoding of reference subcarriers based on soft-diversity combining, joint enhanced channel state information estimation, as well as iterative soft-input soft-output and list decoding of convolutional codes and Reed-Solomon codes. These and other improvements enhance the decoding of different logical channels in HD Radio systems.

2. 发明授权

EP1659727B1 Iterative decoding of packet data 有权
标题翻译：分组数据的迭代解码
公开(公告)号：EP1659727B1
公开(公告)日：2015-03-25
申请号：EP05110844.7
申请日：2005-11-17
申请人： ATI International SRL
发明人： Touzni, Azzedine , Rajagopal, Ravi
IPC分类号： H03M13/29 , H03M13/09 , H03M13/11 , H03M13/15 , H03M13/00 , H04L1/00
CPC分类号： H04L1/0051 , H03M13/09 , H03M13/1102 , H03M13/1515 , H03M13/29 , H03M13/2915 , H03M13/2918 , H03M13/293 , H03M13/2948 , H03M13/2957 , H03M13/6356 , H03M13/6362 , H03M13/6541 , H04L1/0061 , H04L1/0064 , H04L1/0065 , H04L1/0068

3. 发明公开

EP2340507A4 IMPROVED TURBO-EQUALIZATION METHODS FOR ITERATIVE DECODERS 审中-公开
标题翻译：改进TURBO补偿程序迭代解码器
公开(公告)号：EP2340507A4
公开(公告)日：2012-05-30
申请号：EP09805985
申请日：2009-04-02
申请人： LSI CORP
发明人： LI ZONGWANG , YANG SHAOHUA , HAN YANG , ZHONG HAO , LEE YUAN XING , TAN WEIJUN
IPC分类号： G06K5/04 , H03M13/11 , H03M13/29
CPC分类号： H03M13/2957 , H03M13/1102 , H03M13/1111 , H03M13/2948 , H03M13/3927 , H03M13/458 , H03M13/6331 , H03M13/6343

4. 发明公开

EP2315379A2 System and method for data transmission and reception 审中-公开
标题翻译：系统和VerfahrenfürDatenübertragungund -Empfang
公开(公告)号：EP2315379A2
公开(公告)日：2011-04-27
申请号：EP10184735.8
申请日：2003-04-23
申请人： Nokia Corporation
发明人： Pekonen, Harri , Vesma, Jussi
IPC分类号： H04J3/00 , H04J3/24 , H03M13/27 , H04L1/00
CPC分类号： H04N21/4363 , H03M13/09 , H03M13/1515 , H03M13/2707 , H03M13/2906 , H03M13/2915 , H03M13/293 , H03M13/2948 , H03M13/2963 , H03M13/3715 , H03M13/6362 , H04L1/0057 , H04L1/0071 , H04N21/23614 , H04N21/2381 , H04N21/4381 , H04N21/6131 , H04N21/64315
摘要： A method for data transmission comprising, placing one or more data segments into a two-dimensional structure (103) having first data arrangement and second data arrangement which are perpendicular to each other and placement is with respect to first directional arrangements, adding to each second directional arrangements one or more corresponding characteristic values (107), transmitting the contents of one or more first directional arrangements that hold portions of characteristic values, and transmitting the one or more data segments.
摘要翻译：一种用于数据传输的方法，包括：将一个或多个数据段放置在具有第一数据排列和第二数据排列的二维结构（103）中，所述第二数据排列和第二数据排列彼此垂直并且相对于第一方向排列，定向布置一个或多个相应的特征值（107），传送保存特征值部分的一个或多个第一定向布置的内容，以及发送所述一个或多个数据段。

5. 发明公开

EP1659727A3 Iterative decoding of packet data 有权
标题翻译：分组数据的迭代解码
公开(公告)号：EP1659727A3
公开(公告)日：2010-10-06
申请号：EP05110844.7
申请日：2005-11-17
申请人： ATI International SRL
发明人： Touzni, Azzedine , Rajagopal, Ravi
IPC分类号： H04L1/00
CPC分类号： H04L1/0051 , H03M13/09 , H03M13/1102 , H03M13/1515 , H03M13/29 , H03M13/2915 , H03M13/2918 , H03M13/293 , H03M13/2948 , H03M13/2957 , H03M13/6356 , H03M13/6362 , H03M13/6541 , H04L1/0061 , H04L1/0064 , H04L1/0065 , H04L1/0068
摘要： A receiver employs iterative decoding of packet data, where the packet data represents a data frame encoded with at least two logical dimensions. A logical dimension refers to a layer, or sub-layer, of a layered network architecture. Consequently, a first logical dimension of encoding might refer to error detection in a packet frame at the data link layer, while a second logical dimension of coding might refer to error detection/correction encoding at a physical layer. For example, a data frame might be divided into several packets, each with a corresponding cyclic redundancy check (CRC) value as coding in the first logical dimension, which are then transmitted with a convolutional code as coding in the second logical dimension. The receiver performs iterative decoding in the first and second logical dimensions until either i) all errors are identified and corrected or ii) another type of stopping condition is met.

6. 发明公开

EP1282951A4 FRAME CONTROL ENCODER/DECODER FOR ROBUST OFDM FRAME TRANSMISSIONS 审中-公开
标题翻译： UNDER CONTROL编码器/解码的鲁棒FRAME OFDM传输
公开(公告)号：EP1282951A4
公开(公告)日：2009-04-15
申请号：EP01939932
申请日：2001-05-18
申请人： INTELLON CORP
发明人： YONGE LAWRENCE W III
IPC分类号： H03M13/29 , H04J11/00 , H03M13/45 , H04B1/00 , H04J3/00 , H04L1/00 , H04L1/04 , H04L27/26
CPC分类号： H04L1/0065 , H03M13/2909 , H03M13/2948 , H03M13/3784 , H03M13/3944 , H03M13/45 , H03M13/658 , H04L1/0041 , H04L1/005 , H04L1/0052 , H04L1/0055 , H04L1/0071 , H04L1/04 , H04L27/2602
摘要： An encoder/decoder scheme for robust transmission of PHY layer frame control information in OFDM frames. The frame control information to be modulated onto carriers in OFDM symbols is encoded using a product encoder (100) to form a product code block/matrix that is based on a hamming code codeword set having properties of symmetry. Elements of the matrix are interleaved by an interleaver (102) so that the elements are modulated onto carriers of the symbols in diagonal groupings and with some degree of redundancy. The modulated elements are demodulated to produce soft-decision values, which are de-interleaved by a de-interleaver (180) to be re-ordered in the order of the elements prior to interleaving, and provided to a turbo product decoder (182). The decoder performs a decoding procedure, according to the properties of symmetry, on each set of soft values in fewer operations and with reduced circuitry.

7. 发明公开

EP1537674A4 METHOD OF FORWARD ERROR CORRECTION 审中-公开
标题翻译：方法前向纠错
公开(公告)号：EP1537674A4
公开(公告)日：2007-04-04
申请号：EP03742042
申请日：2003-06-17
申请人： THOMSON LICENSING
发明人： CHRISTENSEN CARL
IPC分类号： H03M13/09 , G06F11/00 , H03M13/00 , H03M13/11 , H03M13/29 , H04L1/00 , H04L12/56
CPC分类号： H03M13/2948 , H03M13/098 , H03M13/2915 , H04L49/45 , H04L49/557
摘要： An iterative method of correcting errors (160) in a data block (164). Bad bytes are first identified using information derived from an 8B/10B decoding (158) of the data block (164). Within each identified bad byte, suspect bits are subsequently identified using information derived from parity decoding (162) of a row of the data block (164). Each suspect bit is then classified as either a confirmed error bit or an unconfirmed error bit using information derived from parity decoding (162) of a column of the data block (164) in which the suspect bit is located. Confirmed error bits are then corrected (160), the parity bits corresponding to the confirmed error bit reset, and the bad byte cleared. The process is then repeated if one or more bad bytes remain in the data block (164).

8. 发明公开

EP1668812A1 VERFAHREN UND VORRICHTUNG ZUM DEKODIEREN VON MITTELS PAKETORIENTIERTEN DATENÜBERTRAGUNGSNETZEN ÜBERTRAGENEN KODIERTEN DATENPAKETEN UND VERFAHREN UND VORRICHTUNG ZUM KODIEREN UND DEKODIEREN VON ÜBER PAKETORIENTIERTE DATENÜBERTRAGUNGSNETZE ZU ÜBERTRAGENDE DATENPAKETEN 审中-公开
标题翻译：方法和装置用于对由包装的方式面向数据传输网络传输的编码数据包，方法和设备编码和解码OVER基于分组的通信网络能够支持数据分组的
公开(公告)号：EP1668812A1
公开(公告)日：2006-06-14
申请号：EP04787236.1
申请日：2004-09-28
申请人： SIEMENS AKTIENGESELLSCHAFT
发明人： KUTKA, Robert
IPC分类号： H04L1/00 , H03M13/27 , H03M13/29 , H03M13/31 , H03M13/35
CPC分类号： H04L1/005 , H03M13/2915 , H03M13/293 , H03M13/2948 , H03M13/356 , H04L1/0057 , H04L1/0061 , H04L1/0071 , H04L1/0072 , H04L2001/0098
摘要： The invention relates to a method for decoding transmitted coded data packets via a packet oriented data transmission network. The data packets provided with a plurality of data elements are subjected to error detection. Error correction is carried out on the data packets identified as defective and said error correction is also carried out on correctly transferred data elements belonging to data packets that are identified as defective.

9. 发明公开

EP1566912A2 Wlan receiver having an iterative decoder 审中-公开
标题翻译： WLAN-Empfängermit einem iterativen Dekodierer
公开(公告)号：EP1566912A2
公开(公告)日：2005-08-24
申请号：EP05002190.6
申请日：2005-02-02
申请人： Broadcom Corporation
发明人： Hansen, Christopher James , Trachewsky, Jason A. , Bhargave, Ashish
IPC分类号： H04L1/00
CPC分类号： H04L1/005 , H03M13/29 , H03M13/2948 , H03M13/37 , H04L1/0065 , H04L1/0071 , H04L1/0618 , H04L25/03171
摘要： An iterative decoder for use in a WLAN includes an inner decoder/detector, a first subtraction module, a deinterleaving module, an outer decoder, a second subtraction module, an interleaving module, and a determining module. The inner decoder/detector determines inner coded bits and extrinsic information of the inner coded bits from symbol vector based on a channel matrix and inner extrinsic information feedback. The first subtraction module subtracts the inner extrinsic information feedback from the extrinsic information of the inner coded bits. The deinterleaving module deinterleaves the output of the first subtraction module to produce deinterleaved inner extrinsic information. The outer decoder determines outer coded bits and extrinsic information of the outer coded bits from the deinterleaved inner extrinsic information. The second subtraction module subtracts the deinterleaved inner extrinsic information from the extrinsic information of the outer coded bits. The interleaving module interleaves the output of the second subtraction module to produce the inner extrinsic information feedback. The determining module produces decoded bits based on the outer coded bits.
摘要翻译：在WLAN中使用的迭代解码器包括内部解码器/检测器，第一减法模块，解交织模块，外部解码器，第二减法模块，交织模块和确定模块。内部解码器/检测器基于信道矩阵和内部外在信息反馈从符号向量确定内部编码比特的内部编码比特和外部信息。第一减法模块从内部编码比特的外在信息中减去内部外在信息反馈。解交织模块对第一减法模块的输出进行解交织以产生解交织的内部外在信息。外部解码器从解交错的内部外在信息确定外部编码比特和外部编码比特的外在信息。第二减法模块从外部编码比特的外在信息中减去解交织的内部外在信息。交织模块交织第二减法模块的输出以产生内部外在信息反馈。确定模块基于外部编码比特产生解码比特。

10. 发明公开

EP1564892A1 Iterative decoding of two-dimensional block codes 有权
标题翻译：迭代的Dekodierung zweidimensionaler Blockkodes
公开(公告)号：EP1564892A1
公开(公告)日：2005-08-17
申请号：EP04290408.6
申请日：2004-02-13
申请人： ALCATEL
发明人： Cucchi, Silvio , Rinaldi, Sonia , Andreasi, Marco
IPC分类号： H03M13/29
CPC分类号： H03M13/2948 , H03M13/152 , H03M13/2909 , H03M13/293
摘要： Disclosed is a method and erasure FEC decoder for correcting a pattern of errors by iterative two-dimensional decoding, the pattern of errors comprising at least two codewords in both a first and a second dimensions with a number of errors in common higher than the capacity of the code which is used for decoding. The method comprises the steps of: a) performing a full capacity decoding along the second dimension for removing possible false corrections introduced by a previous decoding performed along the first dimension; b) performing a reduced-capacity decoding along the first dimension, for identifying errored codewords along the first dimension; c) performing a full capacity decoding along the second dimension with disabled correction feature for identifying errored codewords along the second dimension; d) detecting the error coordinates from the information from steps b) and c); e) and correcting the detected pattern of errors.
摘要翻译：公开了一种用于通过迭代二维解码来校正错误模式的方法和擦除FEC解码器，错误模式包括第一和第二维度中的至少两个码字，其中多个错误共同高于用于解码的代码。该方法包括以下步骤：a）沿着第二维执行全容量解码，以去除沿着第一维度执行的先前解码引入的可能的伪校正; b）沿着第一维度执行简化容量解码，用于识别沿着第一维度的错误码字; c）沿着所述第二维度执行具有用于识别所述第二维度的错误码字的禁用校正特征的全容量解码; d）从步骤b）和c）的信息检测误差坐标; e）并校正检测到的错误模式。

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