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http://dx.doi.org/10.5573/ieie.2017.54.5.3

Performance of LDPC Product Code According to Error Factors on Holographic Data Storage System  

Jeong, Seongkwon (Department of ICMC convergence technology, Soongsil University)
Lee, Jaejin (School of Electronics Engineering, Soongsil University)
Publication Information
Journal of the Institute of Electronics and Information Engineers / v.54, no.5, 2017 , pp. 3-7 More about this Journal
Abstract
Holographic data storage system (HDSS) features short access times, high storage capacities, and fast transfer rates, since the data is recorded and read not by lines but by pages within a volume of holographic material. Burst error caused by physical impact on the high density storage system becomes very longer than that of conventional storage systems. This paper proposes an LDPC product code using two LDPC code to resolve burst error. When a total code rate is similar, the performance of two LDPC code having high code rate is better than that of one LDPC code having low code rate. Also, with error factors of two-dimensional intersysbol interference and misalignment, the proposed scheme can improve the performance in holographic data storage system.
Keywords
holographic data storage system; low-density parity check (LDPC) code; product code; burst error;
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Times Cited By KSCI : 1  (Citation Analysis)
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