Robust Channel Estimation Under Impulsive Noise for Multipath Fading CDMA Systems

Authors:
Ahmet Rizaner;Ali Hakan Ulusoy
Affiliations:
Department of Information Technology, School of Computing and Technology, Eastern Mediterranean University, Via Mersin 10, Turkey;Department of Information Technology, School of Computing and Technology, Eastern Mediterranean University, Via Mersin 10, Turkey
Venue:
Wireless Personal Communications: An International Journal
Year:
2013

Citing 5
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Measurements and models of radio frequency impulsive noise for indoor wireless communications

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Performance of STTC-MC-CDMA Systems with Imperfect Channel Estimation

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Abstract

This paper proposes a novel fuzzy channel estimator for direct-sequence code-division multiple-access systems with time-varying multipath fading channels under impulsive noise. The proposed estimator combines a least-squares channel estimator with a fuzzy median filter which is based on fuzzy rank ordering of samples. Simulation results clearly show the superior channel estimation success of the proposed estimator under highly impulsive noise.