Author:
El fatimi Aziz,Bri Seddik,Saadi Adil
Abstract
<div class="WordSection1"><p>This paper presents a candidate ultra wideband antenna for Ku-band wireless communi- cations applications, analyzed and optimized by the finite element method (FEM). This three-dimensional modeling was realized and compared with published antennas for val- idate the performances of the proposed antenna. Its design is based on the insertion o fseveral symmetrical slots of different sizes on the ground plane of a mono-layer patch antenna to overcome the main limitation of the narrow bandwidth of patch antennas. The proposed antenna, made on an FR-4 epoxy mono-layer substrate with a defected ground plane (dielectric constant <em>ε</em><em>r </em>= 4,4, loss tangent <em>tan δ </em>= 0,02 and thickness <em>hs </em>= 1.6 mm). The simulated numerical results obtained are very satisfying; Bandwidth = 10.48 GHz from <em>f</em>1 = 9.34 GHz to <em>f</em>2 = 19.82 GHz, <em>S</em>11 = -34.17 dB, Voltage Stationary Wave Ratio VSWR = 1.04 , Gain = 6.27 dB.</p></div>
Publisher
Institute of Advanced Engineering and Science
Subject
Electrical and Electronic Engineering,General Computer Science
Cited by
4 articles.
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