Blind separation of cyclostationary sources using joint block approximate diagonalization

Authors:
D. T. Pham
Affiliations:
Laboratoire Jean Kuntzmann - CNRS/INPG/UJF, Grenoble Cedex, France
Venue:
ICA'07 Proceedings of the 7th international conference on Independent component analysis and signal separation
Year:
2007

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Abstract

This paper introduces an extension of an earlier method of the author for separating stationary sources, based on the joint approximated diagonalization of interspectral matrices, to the case of cyclostationary sources, to take advantage of their cyclostationarity. the proposed method is based on the joint block approximate diagonlization of cyclic interspectral density. An algorithm for this diagonalization is described. Some simulation experiments are provided, showing the good performance of the method.