Frequency-selective and nonlinear channel estimation with unknown noise statistics

Authors:
Jaechan Lim;Daehyoung Hong
Affiliations:
Department of Electronic Engineering, Sogang University, Seoul, Korea;Department of Electronic Engineering, Sogang University, Seoul, Korea
Venue:
IEEE Communications Letters
Year:
2010

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Abstract

We propose cost reference particle filter (CRPF) and extended game theory-based H∞ filter approaches to the problem of estimating frequency-selective and slowly varying nonlinear channels with unknown noise statistics. The proposed approaches have a common advantageous feature that the noise information is not required in their applications. The simulation results justify that both approaches are effective, and that CRPF is more robust against highly nonlinear and drastically varying channels.