NDLI: MAP decoding of MTR codes in multiple-head magnetic recording systems

Content Provider	IEEE Xplore Digital Library
Author	Djuric, N. Senk, V. Vasic, B.
Copyright Year	2011
Description	Author affiliation: Faculty of Technical Sciences, University of Novi Sad, Trg D. Obradovica 6, 21000 Novi Sad (Djuric, N.; Senk, V.) \|\| Department of Electrical and Computer Engineering, University of Arizona, 1230 East Speedway Boulevard, Tucson, AZ 85721, USA (Vasic, B.)
Abstract	This paper considers maximum a posteriori (MAP) decoding of the maximum transition run (MTR) codes, over two-head digital magnetic recording system. Decoding is based on Bayesian algorithm and computes a posteriori log-likelihood ratios (LLR) from codewords of the MTR code. In this paper we present simulation results for performance of the joint soft detection-decoding of a concatenation of MTR code and low-density parity-check (LDPC) code over the two-track two-head extended class four partial response channel $(E^{2}PR4).$ In channels with low inter-track interference (ITI), the joint detector-decoder exhibits 1.7dB gain.
Starting Page	164
Ending Page	167
File Size	611836
Page Count	4
File Format	PDF
ISBN	9781457720185
e-ISBN	9781457720192
DOI	10.1109/TELSKS.2011.6112028
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-10-05
Publisher Place	Serbia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Decoding Magnetic recording Parity check codes Encoding Bit error rate Signal to noise ratio Simulation multiple-head recording constrained coding LDPC codes MTR codes soft-decision decoding
Content Type	Text
Resource Type	Article

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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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