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http://dx.doi.org/10.7840/kics.2012.37A.10.815

Performance of Two-Dimensional Soft Output Viterbi Algorithm for Holographic Data Storage  

Kim, Jinyoung (숭실대학교 정보통신전자공학부 정보저장 및 통신 연구실)
Lee, Jaejin (숭실대학교 정보통신전자공학부 정보저장 및 통신 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.37A, no.10, 2012 , pp. 815-820 More about this Journal
Abstract
We introduce two-dimensional soft output Viterbi algorithm (2D SOVA) and iterative 2D SOVA for holographic data storage. Since the holographic data storage is 2D intersymbol interference (ISI) channel, the 2D detection schemes have good performance at holographic data storage. The 2D SOVA and iterative 2D SOVA are 2D detection schemes. We introduce and compare the two 2D detection schemes. The 2D SOVA is approximately 2 dB better than one-dimensional (1D) detection scheme, and iterative 2D SOVA is approximately 1 dB better than the 2D SOVA. In contrast, the iterative 2D SOVA is approximately twice complex higher than 2D SOVA, and 2D SOVA is approximately twice complex higher than 1D detection scheme.
Keywords
Holographic data storage; Intersymbol interference; Two-dimensional soft output Viterbi algorithm; Viterbi algorithm;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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