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http://dx.doi.org/10.5573/ieie.2017.54.6.11

4-Level 4/6 Modulation Code with Trellis Encoding on Holographic Data Storage  

Jeong, Seongkwon (Department of ICMC convergence technology, Soongsil University)
Lee, Jaejin (School of Electronics Engineering, Soongsil University)
Publication Information
Journal of the Institute of Electronics and Information Engineers / v.54, no.6, 2017 , pp. 11-16 More about this Journal
Abstract
Multi-level holographic data storage requires modulation codes for avoiding two dimensional inter-symbol interference (2D-ISI). Modulation codes can remove the fatal ISI pattern of neighboring the largest and the smallest symbols. In this paper, we propose a 4-level 4/6 modulation code and its trellis encoding for error correction. The proposed 4/6 modulation code prevents that the symbol 0 and 3 are not adjacent in any direction. Also, we compare the proposed modulation code with the same code rate modulation codes for four-level holographic data storage.
Keywords
holographic data storage; multi-level; modulation code; trellis encoding;
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Times Cited By KSCI : 1  (Citation Analysis)
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