Adaptive coherent Lp-norm combining

Authors:
Amir Nasri;Ali Nezampour;Robert Schober
Affiliations:
University of British Columbia;University of British Columbia;University of British Columbia
Venue:
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
Year:
2009

Citing 4
Cited 1

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Abstract

In this paper, we introduce an adaptive Lp-norm metric for robust coherent diversity combining in non-Gaussian noise and interference. We derive a general closed-form expression for the asymptotic bit error rate (BER) for Lp-norm combining in independent non-identically distributed Ricean fading and non-Gaussian noise and interference with finite moments. Based on this asymptotic BER expression, the metric parameters can be adapted to the underlying type of noise and interference using a finite difference stochastic approximation (FDSA) algorithm. Simulation results confirm the validity of the derived asymptotic BER expression and the excellent performance of the proposed adaptive Lp-norm metric.