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Cross-T-shaped dielectric resonator antenna for wideband applications

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2 Author(s)
Liang, X.-L. ; INRS-EMT, Quebec Univ., Montreal, QC ; Denidni, T.A.

A new dielectric resonator antenna (DRA) is introduced for wideband applications, where the wideband of this DRA design comes from three factors: a compact cross-T-shaped dielectric resonator, a conformal inverted-trapezoid patch as a feed mechanism, and a copper-clad substrate as a baseboard. Measured results demonstrate that the proposed DRA achieves an impedance bandwidth of about 71.8% for VSWR les 2, covering a frequency range from 3.56 to 7.57 GHz. This antenna also provides a stable broadside radiation pattern and a gain range of 3.2-7.3 dBi across the operating bandwidth.

Published in:

Electronics Letters  (Volume:44 ,  Issue: 20 )

Date of Publication:

September 25 2008

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