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[4, 2008] 

Journal of Electrical Engineering, Vol 59, 4 (2008) 216-220

DESIGN OF NON-UNIFORM CIRCULAR ANTENNA ARRAYS USING PARTICLE SWARM OPTIMIZATION

Mohammad Shihab - Yahya Najjar - Nihad Dib - Majid Khodier

   In this paper, the design of non-uniform circular antenna arrays with optimum side lobe level reduction is presented. The particle swarm optimization (PSO) method, which represents a new approach for optimization problems in electromagnetics, is used in the optimization process. The method of particle swarm optimization is used to determine an optimum set of weights and antenna element separations that provide a radiation pattern with maximum side lobe level reduction with the constraint of a fixed major lobe beamwidth. The results show that the design of non-uniform circular antenna arrays using PSO method provides a side lobe level reduction better than that obtained using genetic algorithms.

Keywords: antenna arrays, circular arrays, optimization methods, particle swarm optimization


[full-paper]


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