LDPC decoding strategies for two-dimensional magnetic recording

Authors:
Anantha Raman Krishnan;Rathnakumar Radhakrishnan;Bane Vasic
Affiliations:
Department of Electrical and Computer Engineering, The University of Arizona, Tucson, AZ;Department of Electrical and Computer Engineering, The University of Arizona, Tucson, AZ;Department of Electrical and Computer Engineering, The University of Arizona, Tucson, AZ
Venue:
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
Year:
2009

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Abstract

In this paper, we propose a linear programming (LP) decoding scheme for binary error-erasure channel for use in two-dimensional magnetic recording. We compare the performance of this decoding scheme with other decoding schemes like LP decoding for BSC and belief-propagation decoding. Also, we compare the effect of variance of grain-area in the medium on the bit-error rates of various decoding schemes.