BER optimal linear combiner for signal detection in symmetric alpha-stable noise: small values of alpha

Authors:
S. Niranjayan;Norman C. Beaulieu
Affiliations:
Department of Electrical and Computer Engineering, University of Alberta, Edmonton, Alberta, Canada;Department of Electrical and Computer Engineering, University of Alberta, Edmonton, Alberta, Canada
Venue:
IEEE Transactions on Wireless Communications
Year:
2010

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Abstract

The maximum likelihood optimal combiner for signal detection in alpha-stable noise is not known in general, except for some special values of the characteristic exponent α. A linear Rake combiner receiver is simple and easy to realize. The optimal linear Rake receiver, in the sense of minimizing the bit error rate, for the detection of signals contaminated by symmetric alpha stable noise is derived for values of α, 0