Closed-Form Estimators for Blind Separation of Sources – Part I: Real Mixtures

  • Authors:
  • Vicente Zarzoso;Asoke K. Nandi

  • Affiliations:
  • Signal Processing and Communications Group, Department of Electrical Engineering and Electronics, The University of Liverpool, Brownlow Hill, Liverpool L69 3GJ, U.K. E-mail: vicente@liverp ...;Signal Processing and Communications Group, Department of Electrical Engineering and Electronics, The University of Liverpool, Brownlow Hill, Liverpool L69 3GJ, U.K.

  • Venue:
  • Wireless Personal Communications: An International Journal
  • Year:
  • 2002

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Abstract

The problem of multiuser interference cancellation in wireless cellularcommunication systems accepts a blind source separation (BSS) model. Thepresent contribution studies the closed-form solutions to BSS in thereal-mixture case. Connections among a number of seemingly disparate methodsare unveiled, new procedures are put forward, and their asymptotic(large-sample) performance is analyzed. Simulation experiments illustrate andvalidate the theoretical results. Altogether, a unifying generic framework forclosed-form BSS methods is developed.