Construction Of Large Girth Qc-Ldpc Codes Based On Finite Geometries And Fast Searching Method

Zhirong Wang,Liqian Wang,Dongdong Wang,Aimei Fei,Xue Chen,Chen Ju,Huitao Wang,Qi Zhang

2016 ASIA COMMUNICATIONS AND PHOTONICS CONFERENCE (ACP)（2016）

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摘要

We proposed a method which combines finite geometries and optimized searching algorithm to construct quasi-cyclic low-density parity check (QC-LDPC) codes which have large girth for high speed optical communications. Compared with other method, our algorithm has lower complexity and faster speed.

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关键词

finite geometries,fast searching method,optimized searching algorithm,high speed optical communications,quasicyclic low-density parity check codes,large girth QC-LDPC codes

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