A Low-Complexity EMS Algorithm with Dynamic Message Truncation for Non-Binary LDPC Codes

Fulong Wang,Ming Zhan, Qian Zhang,Hao Tang,Yunkai Feng,Mingjuan Qiu,Liangxi Liu

2021 13th International Conference on Information Technology and Electrical Engineering (ICITEE)（2021）

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摘要

The extended min-sum (EMS) algorithm is adopted for non-binary low density parity check (NB-LDPC) codes. The high complexity of EMS algorithm is a hot topic in recent years. Aiming at the problem, a low-complexity EMS algorithm based on NB-LDPC codes is proposed. Dynamic bubble-check (DBC) algorithm in elementary check node (ECN) steps is adopted to reduce the complexity of check node. Furthermore...

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关键词

NB-LDPC,extended min-sum,iteration times,dynamic bubble-check,Galois field

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