A general algebraic algorithm for blind extraction of one source in a MIMO convolutive mixture

Authors:
Rémi Dubroca;Christophe De Luigi;Marc Castella;Eric Moreau
Affiliations:
University of Sud Toulon Var, LSEET UMR-CNRS, La Valette du Var Cedex, France;University of Sud Toulon Var, LSEET UMR-CNRS, La Valette du Var Cedex, France;Télécom and Management SudParis, Départment CITI, Evry Cedex, France;University of Sud Toulon Var, LSEET UMR-CNRS, La Valette du Var Cedex, France
Venue:
IEEE Transactions on Signal Processing
Year:
2010

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Abstract

The paper deals with the problem of blind source extraction from a multiple-input/multiple-output (MIMO) convolutive mixture. We define a new criterion for source extraction which uses higher-order contrast functions based on so called reference signals. It generalizes existing reference-based contrasts. In order to optimize the new criterion, we propose a general algebraic algorithm based on best rank-1 tensor approximation. Computer simulations illustrate the good behavior and the interest of our algorithm in comparison with other approaches.