Critera for direct blind deconvolution of MIMO FIR systems driven by white source signals

  • Authors:

  • Y. Inouye;Ruey-Wen Liu

  • Affiliations:

  • Dept. of Electron. & Control Syst. Eng., Shimane Univ., Matsue, Japan;-

  • Venue:
  • ICASSP '99 Proceedings of the Acoustics, Speech, and Signal Processing, 1999. on 1999 IEEE International Conference - Volume 05
  • Year:
  • 1999

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Abstract

This paper addresses the blind deconvolution of multi-input-multi-output (MIMO) FIR systems driven by white non-Gaussian source signals. First, we present a weaker condition on source signals than the so-called i.i.d. condition so that blind deconvolution is possible. Then, under this condition, we provide a necessary and sufficient condition for blind deconvolution of MIMO FIR systems. Finally, based on this result, we propose two maximization criteria for blind deconvolution of MIMO FIR systems. These criteria are simple enough to be implemented by adaptive algorithms.