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Subspace-based DOA estimation using Fractional Lower Order statistics

Hari, KVS and Lalitha, V (2011) Subspace-based DOA estimation using Fractional Lower Order statistics. In: 2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 22-27 May 2011, Prague, Czech Republic.

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Abstract

Direction Of Arrival (DOA) estimation, using a sensor array, in the presence of non-Gaussian noise using Fractional Lower-Order Moments (FLOM)matrices is studied. In this paper, a new FLOM based technique using the Fractional Lower Order Infinity Norm based Covariance (FLIC) Matrix is proposed. The bounded property and the low-rank subspace structure of the FLIC matrix is derived. Performance of FLIC based DOA estimation using MUSIC, ESPRIT, is shown to be better than other FLOM based methods.

Item Type: Conference Paper
Additional Information: Copyright 2011 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Keywords: DOA Estimation;Subspace Methods;Non-Gaussian noise;Impulsive Noise
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 27 Dec 2011 08:51
Last Modified: 27 Dec 2011 08:51
URI: http://eprints.iisc.ernet.in/id/eprint/42826

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