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Optimal combination of fourth-order cumulant based contrasts for blind separation of noncircular signals

Authors
Journal
Signal Processing
0165-1684
Publisher
Elsevier
Volume
93
Issue
4
Identifiers
DOI: 10.1016/j.sigpro.2012.10.006
Keywords
  • High Order Statistics
  • Contrast
  • Jacobi-Like Algorithm
  • Blind Source Separation
  • Noncircular Signal
Disciplines
  • Computer Science

Abstract

Abstract In this paper, we have considered the problem of blind source separation of noncircular signals. We have proposed a new Jacobi-like algorithm that achieves optimization of the optimal combination of complex fourth-order cumulant based contrasts. We have investigated the application to separation of non-Gaussian sources using fourth order cumulants. And computer simulations applied to noncircular signals illustrate the proposed approach.

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