Minimum Mean-Square Error and Blind Equalization for Digital Holographic Data Storage with Intersymbol Interference

被引：0
|
作者：
Choi, An Sik [1 ]
Baek, Woon Sik [1 ]
机构：
[1] Sch. of Electronics and Informations, KyungHee University, Yongin-si, Kyunggi-do 449-701, Korea, Republic of
来源：
| 1600年 / Japan Society of Applied Physics卷 / 42期
关键词：
Adaptive filtering - Bit error rate - Charge coupled devices - Compact disks - Holograms - Holography - Intersymbol interference - Light modulators;
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学科分类号：
摘要：
Minimum mean-square error (MMSE) and blind equalization schemes were employed to improve bit-error rate (BER) and to mitigate intersymbol interference (ISI) generated during storage and retrieval processes of data pages in a holographic data storage system. The methods for designing and applying MMSE and blind equalization were described. A least mean square (LMS) algorithm was performed with spatial light modulator (SLM) input and charge-coupled-device (CCD) output data of the first page. The results show that the BER performance improved significantly compared with those before equalization.
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