2/3 Modulation Code and Its Vterbi Decoder for 4-level Holographic Data Storage 


Vol. 38,  No. 10, pp. 827-832, Oct.  2013


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  Abstract

Holographic data storage system is affected by two dimensional intersymbol interference and inter-page interference. Especially, for multi-level holographic data storage system, since one pixel contains more than 1 bit, the system is more vulnerable to the error. In this paper, we propose a 2/3 modulation code for 4-level holographic data storage system. The proposed modulation code with error correcting capability could be compensated these interferences. Also, in this paper, we proposed a Viterbi decoder for 2/3 modulation code. The proposed Viterbi decoder eliminates unnecessary calculation. As a result, proposed 2/3 modulation code and Viterbi decoder has shown better performance than conventional one.

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  Cite this article

[IEEE Style]

G. Kim and J. Lee, "2/3 Modulation Code and Its Vterbi Decoder for 4-level Holographic Data Storage," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 10, pp. 827-832, 2013. DOI: .

[ACM Style]

Gukhui Kim and Jaejin Lee. 2013. 2/3 Modulation Code and Its Vterbi Decoder for 4-level Holographic Data Storage. The Journal of Korean Institute of Communications and Information Sciences, 38, 10, (2013), 827-832. DOI: .

[KICS Style]

Gukhui Kim and Jaejin Lee, "2/3 Modulation Code and Its Vterbi Decoder for 4-level Holographic Data Storage," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 10, pp. 827-832, 10. 2013.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880