Effect of a differentiator in partial response maximum likelihood (PRML) detection schemes for optical recording

Jingfeng Liu; Hongwei Song; Bhagavatula Vijaya Kumar

doi:10.1117/12.453410

10 January 2002 Effect of a differentiator in partial response maximum likelihood (PRML) detection schemes for optical recording

Jingfeng Liu, Hongwei Song, Bhagavatula Vijaya Kumar

Author Affiliations +

Proceedings Volume 4342, Optical Data Storage 2001; (2002) https://doi.org/10.1117/12.453410
Event: Optical Data Storage, 2001, Santa Fe, NM, United States

Abstract

In this paper, we have investigated the effect of differentiators on the performance of partial response maximum likelihood detection for optical recording under various noise conditions. Computer simulations and experiments with real signals have been conducted to compare the performance of Direct PRML and Differential PRML. It is seen that Direct PRML outperforms Differential PRML in electronic noise dominated system, while Differential PRML has better performance in media noise dominated system.

Citation Download Citation

Jingfeng Liu, Hongwei Song, and Bhagavatula Vijaya Kumar "Effect of a differentiator in partial response maximum likelihood (PRML) detection schemes for optical recording", Proc. SPIE 4342, Optical Data Storage 2001, (10 January 2002); https://doi.org/10.1117/12.453410

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