Partial Response Maximum Likelihood Detections Using Two-Dimensional Soft Output Viterbi Algorithm with Two-Dimensional Equalizer for Holographic Data Storage
被引:26
作者:
Kim, Jinyoung
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Soongsil Univ, Sch Elect Engn, Seoul 156743, South KoreaSoongsil Univ, Sch Elect Engn, Seoul 156743, South Korea
Kim, Jinyoung
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机构:
Lee, Jaejin
[1
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机构:
[1] Soongsil Univ, Sch Elect Engn, Seoul 156743, South Korea
We present partial response maximum likelihood (PRML) detection with two-dimensional (2D) equalizer scheme and introduce 2D soft output Viterbi algorithm (SOYA) detection for holographic data storage (HDS) channel. We also propose the 2D PR target for the HDS channel varying the grade of blur. Simulation results show that the proposed schemes outperform the nearest neighbor detection. (C) 2009 The Japan Society of Applied Physics DOI: 10.1143/JJAP.48.03A033