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Model order reduction for optimal bounding ellipsoid channel models

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2 Author(s)
S. G. McCarthy ; Maxtor Corp., Longmont, CO, USA ; R. B. Wells

This paper presents a new algorithm for performing model order reduction for Volterra series channel models of high-density digital magnetic recording channels. We employ a set-membership approach to the problem in which a set of consistent modeling solutions bounded by an optimal ellipsoid is first developed for the channel. We then present a new algorithm for finding the minimum number of coefficients in the Volterra series expansion which preserves the accuracy, in a least-squares sense, of the reduced order model in comparison with the original model

Published in:

IEEE Transactions on Magnetics  (Volume:33 ,  Issue: 4 )