Miniaturized microstrip patch antenna with defected ground structure

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URI: http://hdl.handle.net/10902/16655
ISSN: 1937-8718
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Autoría
Elftouh, Hanae; Touhami, Naima Amar; Aghoutane, Mohamed; El Amrani, Safae; Tazón Puente, AntonioAutoridad Unican; Boussouis, Mohamed
Fecha
2014
Derechos
© EMW Publishing. The Electromagnetics Academy. Reproduced courtesy of The Electromagnetics Academy
Publicado en
Progress In Electromagnetics Research C, 2014, 55, 25-33
Editorial
EMW Publishing
Resumen/Abstract
The aim of this work is to miniaturize a microstrip patch antenna resonating at 3 GHz. For this purpose, defected ground structure (DGS) has been employed to shift the resonance frequency of an initial microstrip antenna from 5.7 GHz to 3 GHz by disturbing the antenna's current distribution. The proposed DGS is incorporated in the ground plane under the patch antenna to improve its performances. Finally, a miniaturization up to 50%, with respect to the conventional microstrip antenna, is successfully accomplished. A prototype of the antenna was fabricated with the FR4 substrate and tested. The measurements results were in good agreement with simulation results.
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