Application of linear minimum mean-squared-error equalization for volume holographic data storage

被引：30
|
作者：
Keskinoz, M [1 ]
Kumar, BVKV [1 ]
机构：
[1] Carnegie Mellon Univ, Dept Elect & Comp Engn, Ctr Data Storage Syst, Pittsburgh, PA 15213 USA
来源：
APPLIED OPTICS | 1999年 / 38卷 / 20期
关键词：
D O I：
10.1364/AO.38.004387
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
When target densities of volume holographic data storage systems are increased, the systems experience increased interference from adjacent pixels and noise. Here we present a method for designing and applying linear minimum mean-squared-error (LMMSE) equalization to improve the bit error rates (BER's) and hence the storage densities achievable. Numerical results with five defocused data pages indicate that a significant improvement in the BER is possible with LMMSE equalization. (C) 1999 Optical Society of America. OCIS code: 210.2860.
引用
收藏
页码：4387 / 4393
页数：7
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