Abstract
This paper addresses the performance of the Multiple-Input-Multiple-Output(MIMO)-Orthogonal Fre-quency Division Multiplexing (OFDM), MIMO-OFDM communication system in environments where the interfering noise exhibits non-Gaussian behavior due to impulsive phenomena. It presents the design and simulation of an adaptive receiver technique that aims to minimize the effect of impulsive noise on the performance of the MIMO-OFDM communication system under Additive White Gaussian Noise (AWGN) channel. The proposed adaptive technique is based on using an impulsive noise level detector with a set of thresholds upon which a decision is made on using the appropriate method of impulsive noise reduction. The obvious concern in generating the impulsive noise is to have the main characteristics that emulate the actual impulsive noise. Hence the impulsive noise is generated and modeled based on reference [1] using Matlab/Simulink. The bit-error-rate (BER) performance of the MIMO-OFDM system in an impulsive noise environment was evaluated. The proposed adaptive receiver technique offers improved BER performance compared to clipping and gating conventional techniques.
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