NDLI: Coding and Detection for Channels With Written-In Errors and Inter-Symbol Interference

Content Provider	IEEE Xplore Digital Library
Author	Guojun Han Yong Liang Guan Kui Cai Kheong Sann Chan Lingjun Kong
Copyright Year	1965
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.
Sponsorship	IEEE Magnetics Society
Starting Page	1
Ending Page	6
Page Count	6
File Size	1085447
File Format	PDF
ISSN	00189464
Volume Number	50
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Decoding Electromagnetic compatibility Detectors Synchronization Parity check codes Writing Interference written-in errors (WIEs) Bit-patterned media recording (BPMR) inter-symbol interference (ISI) low-density parity-check (LDPC) marker codes
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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