A Modified Permutation Algorithm for Low Complexity Encoding in NB-QC-LDPC Codes

Miao Zhu,Liqian Wang,Yatong Zhao,Xue Chen,Weiming Wang,Kai Tao,Yinlong Shi

2022 Asia Communications and Photonics Conference (ACP)（2022）

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摘要

A modified permutation algorithm that optimizes the preprocessing step of the efficient encoding algorithm is proposed for nonbinary quasi-cyclic low-density parity-check (NB-QC-LDPC) codes. Linear complexity encoding is implemented and at least 0.15dB performance loss is avoided.

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关键词

NB-QC-LDPC codes,modified permutation algorithm,linear complexity encoding

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