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Journal of Emerging Trends in Computing and Information Sciences >> Call for Papers Vol. 8 No. 3, March 2017

Journal of Emerging Trends in Computing and Information Sciences

Design and Simulation of Miniaturized Minkowski Fractal Aperture-Coupled Antenna for 5.8 GHz RFID Applications

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Author D. K. Naji, J. S. Aziz, R. S. Fyath
ISSN 2079-8407
On Pages 1013-1020
Volume No. 3
Issue No. 7
Issue Date July 01, 2012
Publishing Date July 01, 2012
Keywords Aperture-coupled antenna, Minkowski fractal antenna, Particle swarm optimization, RFID


Abstract

A miniaturized 3rd-order Minkowski fractal aperture-coupled antenna is designed for 5.8 GHz RFID applications using particle swarm optimization (PSO) technique. The PSO technique runs on MATLAB environment and synchronously coupled with an electromagnetic simulator (CST Microwave Studio) to estimate the radiation pattern parameters at each optimization iteration. Two objective functions are used to optimize the geometry of the antenna: return loss and the relative antenna size with respect to the reference (non-fractal) antenna. The simulated results show that the optimized fractal antenna has less than -37 dB return loss, more than 65% reduction in patch area and, more than 4 dB gains.  

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