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Track squeeze using adaptive intertrack interference equalization

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4 Author(s)
M. Z. Ahmed ; Dept. of Commun. & Electron. Eng., Univ. of Plymouth, UK ; P. J. Davey ; T. Donnelly ; W. W. Clegg

A new maximum likelihood sequence detection (MLSD) technique to reduce the effects of intertrack interference (ITI) is presented. As track densities increase, ITI and offtrack interference (OTI) occur and have detrimental effects on the performance of current MLSD decoders. A solution, described in this paper, is to perform MLSD with an adaptive ITI equalizer constructed within the decoder trellis.

Published in:

IEEE Transactions on Magnetics  (Volume:38 ,  Issue: 5 )