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Encoding method of TLDPC codes utilizing treillis representations of the parity check equations and associated encoding device
Encoding method of TLDPC codes utilizing treillis representations of the parity check equations and associated encoding device
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机译:利用奇偶校验方程的网格表示的tLDPC码的编码方法及相关的编码装置
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摘要
Encoding method (1) and device associating p redundancy data bits with k information data bits to determine code words with a block length of n=p+k data bits. The code words are of tail-biting trellis low density parity check type. The method and the device implement a degree distribution profile of the n data bits defining a base code word including multiple replicas of the n data bits with respect to the degree distribution. This base code is represented by a two-states trellis formed of sections with positions accommodating data bits of the base code whereby the number of positions of a section is denoted as the degree of the section. The method and the device makes (2) a partition of the base code trellis into p intersecting regular parts of triple sections representing p parity check equations.
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机译:编码方法( 1 B>)和装置将p个冗余数据位与k个信息数据位相关联,以确定块长度为n = p + k个数据位的代码字。码字是低位奇偶校验类型的咬尾网格。该方法和设备实现n个数据位的度分布简档,该n个数据位定义基本码字,该基本代码字包括n个数据位的多个副本关于度分布。该基本代码由两部分组成的状态格架来表示,该部分具有容纳基本代码的数据位的位置,从而将部分的位置数表示为部分的程度。该方法和设备使( 2 B>)基础网格的划分成为代表p个奇偶校验等式的三部分的p个相交规则部分。
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