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Browsing by Author "Lai, Kuo-Hsin"

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    A two dimensional partial-response maximum-likelihood technique for holographic data storage systems
    (2008-07-01)
    Lai, Kuo-Hsin
    ;
    Tseng, Chien-Fu
    ;
    Chen, Po-Chang
    ;
    Tarng, Jenn-Hwan
    ;
    電信工程研究所
    In holographic data storage systems, it is straightforward to increase the storage capacity by mean of reducing the pitches among data symbols. However, this may lead to severe. inter-symbol interference (ISI) and also unacceptable data error rate. To deal with the problem, we first model the channel as a partial response (PR) and use the maximum-likelihood (ML) detection to control the ISI. The Viterbi decoder is employed to implement ML detection.