NDLI: On the concatenation of LDPC and RS codes in magnetic recording systems

Content Provider	IEEE Xplore Digital Library
Author	Sankaranarayanan, S. Kuznetsov, A. Sridhara, D.
Copyright Year	2007
Description	Author affiliation: Seagate Technol., Pittsburgh, PA (Sankaranarayanan, S.; Kuznetsov, A.; Sridhara, D.)
Abstract	In this paper, we investigate the sector failure rate (SFR) and the burst-error correction capability of two coding solutions in magnetic storage systems. The two-level solution involves concatenating an outer RS code with an inner LDPC code whereas the one-level solution is an RS-only or an LDPC-only system. Although the outer RS code incurs an additional rate loss, it is expected to gain in the presence of burst errors. The rate of the LDPC code and the i-level of the RS code can be chosen optimally to suit the operating condition of the channel. These solutions have also been studied in various technical papers in literature. Previously mentioned performance measures are used to evaluate strengths and weaknesses of these two solutions.
Starting Page	1
Ending Page	1
File Size	73613
Page Count	1
File Format	PDF
ISBN	9781424420247
DOI	10.1109/GLOCOMW.2007.4437835
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-11-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ground penetrating radar Intersymbol interference Perpendicular magnetic recording Parity check codes Magnetic memory Error correction Block codes Iterative decoding Magnetic recording Signal to noise ratio
Content Type	Text
Resource Type	Article

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