A modified low-density parity-check decoder for holographic data storage system

Chung, Biwoong; Yoon, Pilsang; Kim, Haiksun; Park, Jooyoun; Park, Jongyong; Hwang, Euiseok

doi:10.1143/JJAP.46.3812

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A modified low-density parity-check decoder for holographic data storage system

Chung, Biwoong;
Yoon, Pilsang;
Kim, Haiksun;
Park, Jooyoun;
Park, Jongyong;
외 1명

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6

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7

초록

A modified low-density parity-check decoding scheme for holographic data storage has been developed and evaluated. It compensates the negative effect from neighboring pixels during the iterative decoding process, which improves the overall error-correction performance when pixels are misaligned. A simulation shows that the proposed scheme outperforms a conventional log-likelihood-ratio (LLR) belief-propagation (BP) algorithm.

키워드

holographic data storage; low-density parity-check code; LLR BP algorithm; pixel misalignment; page format; MODULATION CODE

제목: A modified low-density parity-check decoder for holographic data storage system

저자: Chung, Biwoong; Yoon, Pilsang; Kim, Haiksun; Park, Jooyoun; Park, Jongyong; Hwang, Euiseok

DOI: 10.1143/JJAP.46.3812

발행일: 2007-06

유형: Article; Proceedings Paper

저널명: Japanese Journal of Applied Physics

권: 46

호: 6B

페이지: 3812 ~ 3815