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Progress In Electromagnetics Research
ISSN: 1070-4698, E-ISSN: 1559-8985
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A COMPARISON BETWEEN CIRCULAR AND HEXAGONAL ARRAY GEOMETRIES FOR SMART ANTENNA SYSTEMS USING PARTICLE SWARM OPTIMIZATION ALGORITHM

By K. R. Mahmoud, M. El-Adawy, S. M. M. Ibrahem, R. Bansal, and S. H. Zainud-Deen

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Abstract:
In this paper, circular and hexagonal array geometries for smart antenna applications are compared. Uniform circular (UCA) and hexagonal arrays (UHA) with 18 half-wave dipole elements are examined; also planar (2 concentric rings of radiators) uniform circular (PUCA) and hexagonal arrays (PUHA) are considered. The effect of rotating the outer ring of the PUCA is studied. In our analysis, the method of moments is used to compute the response of the uniform circular and hexagonal dipole arrays in a mutual coupling environment. The particle swarm optimization (PSO) algorithm is used to optimize the complex excitations, amplitudes and phases, of the adaptive arrays elements for beamforming.

Citation: (See works that cites this article)
K. R. Mahmoud, M. El-Adawy, S. M. M. Ibrahem, R. Bansal, and S. H. Zainud-Deen, "A Comparison Between Circular and Hexagonal Array Geometries for Smart Antenna Systems Using Particle Swarm Optimization Algorithm," Progress In Electromagnetics Research, Vol. 72, 75-90, 2007.
doi:10.2528/PIER07030904
http://www.jpier.org/PIER/pier.php?paper=07030904

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