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公开(公告)号:US20060168502A1
公开(公告)日:2006-07-27
申请号:US11040861
申请日:2005-01-21
申请人: Mohit Prasad , Nitin Vig , Arnab Mitra , Amrit Singh , Gaurav Davra
发明人: Mohit Prasad , Nitin Vig , Arnab Mitra , Amrit Singh , Gaurav Davra
IPC分类号: H03M13/03
CPC分类号: H03M13/4169 , H03M13/3961 , H03M13/6502
摘要: A Maximum Likelihood Sequence Estimation (MLSE) decoder that decodes an encoded sequence of data symbols includes a branch metric unit for computing branch metrics for each trellis stage of the encoded sequence, a path metric unit for computing a path metric for each trellis stage using the computed branch metrics, and an M-at-a-time traceback unit for performing an M-at-a-time traceback operation using the computed path metrics. The M-at-a-time traceback operation generates M decoded data symbols in a single M-at-a-time traceback operation.
摘要翻译: 对编码的数据符号序列进行解码的最大似然序列估计(MLSE)解码器包括用于计算编码序列的每个网格级的分支度量的分支度量单位,用于使用所述编码序列计算每个网格级的路径度量的路径度量单位 计算的分支度量,以及M-at-time追溯单元,用于使用所计算的路径度量来执行M-at-time追溯操作。 M-at-time追溯操作在单次M-at-time追溯操作中生成M个解码的数据符号。
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公开(公告)号:US20070201586A1
公开(公告)日:2007-08-30
申请号:US11743157
申请日:2007-05-02
申请人: Mohit Prasad , Gaurav Davra , Arnab Mitra , Amrit Singh , Nitin Vig
发明人: Mohit Prasad , Gaurav Davra , Arnab Mitra , Amrit Singh , Nitin Vig
CPC分类号: H03M13/6502 , H03M13/3961 , H03M13/41 , H03M13/4107 , H03M13/4169 , H03M13/6505
摘要: A method and system for decoding a data symbol sequence that has been previously encoded using one or more unique code word polynomials in which at least one unique code word polynomial is used more than once. A set of 2d-1 unique branch metrics is computed, using the unique code word polynomials, where d is the number of unique code word polynomials. The computed set of 2d-1 unique branch metrics is stored in a memory. Path metrics are then calculated, based on the stored set of 2d-1 unique branch metrics. A decoded data symbol sequence is generated based on the computed path metrics.
摘要翻译: 一种用于对先前使用一个或多个唯一码字多项式进行编码的数据符号序列的方法和系统,其中至少一个唯一码字多项式被多次使用。 使用唯一的码字多项式来计算一组2
D-1 SUP>唯一分支度量,其中d是唯一码字多项式的数量。 所计算的2个独立分支度量的集合被存储在存储器中。 然后,基于存储的2个独立分支度量的集合来计算路径度量。 基于所计算的路径度量来生成解码数据符号序列。 -
公开(公告)号:US20060020875A1
公开(公告)日:2006-01-26
申请号:US10896268
申请日:2004-07-21
申请人: Mohit Prasad , Gaurav Davra , Arnab Mitra , Amrit Singh , Nitin Vig
发明人: Mohit Prasad , Gaurav Davra , Arnab Mitra , Amrit Singh , Nitin Vig
IPC分类号: H03M13/00
CPC分类号: H03M13/6502 , H03M13/3961 , H03M13/41 , H03M13/4107 , H03M13/4169 , H03M13/6505
摘要: A method and system for decoding a data symbol sequence that has been previously encoded using one or more unique code word polynomials in which at least one unique code word polynomial is used more than once. A set of 2d-1 unique branch metrics is computed, using the unique code word polynomials, where d is the number of unique code word polynomials. The computed set of 2d-1 unique branch metrics is stored in a memory. Path metrics are then calculated, based on the stored set of 2d-1 unique branch metrics. A decoded data symbol sequence is generated based on the computed path metrics.
摘要翻译: 一种用于对先前使用一个或多个唯一码字多项式进行编码的数据符号序列的方法和系统,其中至少一个唯一码字多项式被多次使用。 使用唯一的码字多项式来计算一组2
D-1 SUP>唯一分支度量,其中d是唯一码字多项式的数量。 所计算的2个独立分支度量的集合被存储在存储器中。 然后,基于存储的2个独立分支度量的集合来计算路径度量。 基于所计算的路径度量来生成解码数据符号序列。
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