For the detected error words by the LDPC decoder, the characteristics of code bits reliability information is investigated.

分析了低密度校验(LDPC)码译码所产生的错误码字中码位的译码输出量可靠度信息的统计特性。

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Moreover, this decoder is also compatible with various block-lengths and code-rates, so only one decoder is needed for different LDPC codes with the same column weight.

该译码器可兼容多种码长、多种码率的LDPC码，因此只需要设计一个译码器，就可以完成对具有相同列重的不同LDPC码的译码。

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At present, more and more communication system use LDPC code as the channel coding scheme, the architecture in this paper will give a reference to design and implementation of other LDPC decoder.

目前越来越多的通信系统采用LDPC码作为纠错码，这种硬件结构对其它系统的LDPC译码器设计及实现有一定的借鉴意义。

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