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|Title:||Minimum variance distortionless response beamformer with enhanced nulling level control via dynamic mutated artificial immune system||Authors:||Kiong, T.S.
|Issue Date:||2014||Journal:||Volume 2014, 2014, Article number 164053||Abstract:||In smart antenna applications, the adaptive beamforming technique is used to cancel interfering signals (placing nulls) and produce or steer a strong beam toward the target signal according to the calculated weight vectors. Minimum variance distortionless response (MVDR) beamforming is capable of determining the weight vectors for beam steering; however, its nulling level on the interference sources remains unsatisfactory. Beamforming can be considered as an optimization problem, such that optimal weight vector should be obtained through computation. Hence, in this paper, a new dynamic mutated artificial immune system (DM-AIS) is proposed to enhance MVDR beamforming for controlling the null steering of interference and increase the signal to interference noise ratio (SINR) for wanted signals. © 2014 Tiong Sieh Kiong et al.||DOI:||10.1155/2014/164053|
|Appears in Collections:||COE Scholarly Publication|
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