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A modified low-density parity-check decoder for holographic data storage system
- Issue Date
- Jun-2007
- Publisher
- IOP Publishing Ltd
- Keywords
- holographic data storage; low-density parity-check code; LLR BP algorithm; pixel misalignment; page format
- Citation
- Japanese Journal of Applied Physics, v.46, no.6B, pp 3812 - 3815
- Pages
- 4
- Indexed
- SCIE
SCOPUS
- Journal Title
- Japanese Journal of Applied Physics
- Volume
- 46
- Number
- 6B
- Start Page
- 3812
- End Page
- 3815
- ISSN
- 0021-4922
1347-4065
- Abstract
- 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.
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Related Researcher
- Park, Jong Yong
- ERICA 산학협력부총장 (ERICA LINC3.0사업단)