A blind signal separation method for multiuser communications

Authors:
L. Castedo;C.J. Escudero;A. Dapena
Affiliations:
Dept. de Electronica y Sistemas, Univ. de La Coruna;-;-
Venue:
IEEE Transactions on Signal Processing
Year:
1997

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Abstract

A new approach based on the constant modulus (CM) criterion is proposed to separate instantaneous linear mixtures of signals using a linear memoryless multiple input multiple output (MIMO) system. Even though a nonconvex cost function is minimized, analyses show that minima correspond to parameter settings where perfect separation is achieved