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Design and Implementation of an Ultrawideband Hybrid Skirt Monopole Dielectric Resonator Antenna

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2 Author(s)
Jazi, M.N. ; INRS-EMT, Univ. de Quebec, Montreal, QC ; Denidni, T.A.

A new hybrid dielectric resonator antenna (DRA) excited by a monopole antenna is proposed and implemented. In this structure, three different methods of impedance matching, dielectric, and ground plane shaping are applied to enhance the antenna performance in terms of bandwidth and to create a dipole-shape radiation pattern. The effect of each method to increase the input impedance bandwidth is carefully investigated by an extensive parametric study. The resonant frequencies of the structure are also described and determined. The proposed structure provides more than 5-GHz bandwidth for 10dB return loss ranging from 1.8 to 6.9 GHz. Measurements as well as 3-D simulations were carried out for return loss and antenna radiation pattern, and they show a good agreement.

Published in:

Antennas and Wireless Propagation Letters, IEEE  (Volume:7 )