Error-Correcting 6/8 Modulation Code for Reducing Two-Dimensional Intersymbol Interference

被引：10
|
作者：
Kim, Jinyoung [1 ]
Lee, Jaejin [1 ]
机构：
[1] Soongsil Univ, Sch Elect Engn, Seoul 156743, South Korea
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2011年 / 50卷 / 09期
基金：
新加坡国家研究基金会;
关键词：
HOLOGRAPHIC DATA-STORAGE; SYSTEM;
D O I：
10.1143/JJAP.50.09MB06
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We introduce error-correcting 6/8 modulation codes for reducing two-dimensional intersymbol interference in holographic data storage. The proposed modulation codes have a trellis-like structure in which the data is encoded, enabling their error-correcting capability, and are more complex than previous error-correcting 4/6 modulation codes because of increasing number of symbols and states compared to the conventional 6/8 modulation codes. The bit error rate (BER) performances are improved for the proposed modulation codes compared with those for 4/6 modulation codes, moreover the proposed codes make 12.5% times more efficient. (C) 2011 The Japan Society of Applied Physics
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页数：3
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