Optimized Planar Elliptical Dipole Antenna for UWB EMC Applications

Emmanouil N. Tziris, Pavlos Lazaridis, Zaharias Zaharis, John P. Cosmas, Keyur Mistry, Ian Glover

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This paper presents a novel method for optimizing a planar elliptical dipole antenna with elliptical slots, for ultrawideband electromagnetic compatibility applications. The antenna is required to achieve minimum return loss and boresight realized gain with an adequate gain flatness across the frequency range of 1-5 GHz. Such an antenna is a powerful tool for electromagnetic measurements, due to its very compact size and its wide operating bandwidth. The main optimization method used in this paper is the invasive weed optimization (IWO), which is a nature-inspired metaheuristic evolutionary algorithm. The conventional and a modified version of IWO are compared to other prior-art evolutionary algorithms, such as the particle swarm optimization and differential evolution. The comparison is performed by applying all the methods on a set of mathematical test functions and also on the specific antenna design problem presented in this paper. The comparative results demonstrate the superiority of the modified IWO over the other optimization methods.

Original languageEnglish
Article number8755316
Pages (from-to)1377-1384
Number of pages8
JournalIEEE Transactions on Electromagnetic Compatibility
Volume61
Issue number4
Early online date3 Jul 2019
DOIs
Publication statusPublished - 1 Aug 2019

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