Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/81669
Title: Coding and Detection for Channels With Written-In Errors and Inter-Symbol Interference
Authors: Han, Guojun
Guan, Yong Liang
Cai, Kui
Chan, Kheong Sann
Kong, Lingjun
Keywords: Bit-patterned media recording (BPMR)
inter-symbol interference (ISI)
Issue Date: 2014
Source: Han, G., Guan, Y. L., Cai, K., Chan, K. S., & Kong, L. (2014). Coding and Detection for Channels With Written-In Errors and Inter-Symbol Interference. IEEE Transactions on Magnetics, 50(10), 3101106-.
Series/Report no.: IEEE Transactions on Magnetics
Abstract: Written-in errors (WIEs), which include written-in substitutions, insertions, and deletions, as well as 2-D inter-symbol interference (2-D-ISI), form one of the major challenges for the new emerging bit-patterned media recording technology. Coding and detection scheme with performance/complexity tradeoffs is expected to address such a challenge. In this paper, a new channel model with WIEs and ISI (WIE-ISI) is presented, and the embedded marker code scheme (EMCS) with Bahl-Cocke-Jelinek-Raviv (BCJR) detector is employed to perform channel detection. By investigating the effect of ISI on the WIE-ISI channel considering BCJR detector, a virtual written-in substitution probability is introduced and a new synchronization algorithm with written-in substitution detection (SA-WSD) is developed. The EMCS employing the proposed SA-WSD demonstrates better error correction performance than that of the original SA. Furthermore, the SA-WSD is found to be robust to small estimation errors in the written-in substitution probability.
URI: https://hdl.handle.net/10356/81669
http://hdl.handle.net/10220/40925
ISSN: 0018-9464
DOI: 10.1109/TMAG.2014.2328313
Rights: © 2014 IEEE.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:EEE Journal Articles

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