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

页码：5997 / 5999

页数：3

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