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http://dx.doi.org/10.5573/ieie.2015.52.10.016

Performance Analysis of Holographic Data Storage Depending on the Number of Levels Per Pixel of the Code Rate 1/2 Modulation Codes  

Jeong, Seongkwon (School of Electronics Engineering, Soongsil University)
Lee, Jaejin (School of Electronics Engineering, Soongsil University)
Publication Information
Journal of the Institute of Electronics and Information Engineers / v.52, no.10, 2015 , pp. 16-20 More about this Journal
Abstract
We propose three multi-level modulation codes of the code rate 1/2 for holographic data storage considered as a promising candidate for next generation storage systems. Since a pixel with multi-levels can represent more than 1 bit, it is possible to increase the storage capacity and have many codewords. Thus, we can choose a code that the minimum distance is as far as possible. When we compare the codes with the code rate 1/2, the performance of the code with small number of levels is better than that of large number of levels.
Keywords
multi-level; holographic data storage; minimum distance;
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Times Cited By KSCI : 2  (Citation Analysis)
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