A two dimensional partial-response maximum-likelihood technique for holographic data storage systems

被引：12
|
作者：
Lai, Kuo-Hsin [1 ]
Tseng, Chien-Fu [1 ,2 ]
Chen, Po-Chang [1 ]
Tarng, Jenn-Hwan [2 ]
机构：
[1] Ind Technol Res Inst, Elect & Optoelectron Res Labs, Hsinchu 310, Taiwan
[2] Natl Chiao Tung Univ, Dept Commun Engn, Hsinchu 300, Taiwan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2008年 / 47卷 / 07期
关键词：
optical storage; holographic recording; PRML; partial response and maximum likelihood;
D O I：
10.1143/JJAP.47.5997
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
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.
引用
收藏
页码：5997 / 5999
页数：3
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