Robust Channel Estimation Under Impulsive Noise for Multipath Fading CDMA Systems |
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| Authors: | Ahmet Rizaner Ali Hakan Ulusoy |
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| Affiliation: | 1. Department of Information Technology, School of Computing and Technology, Eastern Mediterranean University, Magosa-KIBRIS, Via Mersin 10, Turkey
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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. |
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