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PIER PIER B PIER C PIER M PIER Letters
2007-03-20
A Comparison Between Circular and Hexagonal Array Geometries for Smart Antenna Systems Using Particle Swarm Optimization Algorithm
By
Korany Mahmoud,

    Prof. Korany Mahmoud

    Department of Electronics, Communications, and Computers

    Helwan University

    Egypt

    Homepage

M. El-Adawy,

    Dr. M. El-Adawy

    Department of Electronics, Communications, and Computers

    Helwan University

    Egypt

    Homepage

Sabry Ibrahem,

    Dr. Sabry Ibrahem

    Department of Electronics, Communications, and Computers

    Helwan University

    Egypt

    Homepage

Rajeev Bansal,

    Dr. Rajeev Bansal

    Department of Electrical and Computer Engineering

    University of Conneticut

    USA

    Homepage

Saber Zainud-Deen

    Professor Saber Zainud-Deen

    Faculty of Electronic Engineering

    Menoufia University

    Egypt

    Homepage

, Vol. 72, 75-90, 2007
doi:10.2528/PIER07030904
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
Korany Mahmoud, M. El-Adawy, Sabry Ibrahem, Rajeev Bansal, and Saber Zainud-Deen, "A Comparison Between Circular and Hexagonal Array Geometries for Smart Antenna Systems Using Particle Swarm Optimization Algorithm," , Vol. 72, 75-90, 2007.
doi:10.2528/PIER07030904
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