Z-Shaped Dielectric Resonator Antenna for Ultrawideband Applications

  title={Z-Shaped Dielectric Resonator Antenna for Ultrawideband Applications},
  author={T. A. Denidni and Zibin Weng and M. Niroo-jazi},
  journal={IEEE Transactions on Antennas and Propagation},
A new dielectric resonator antenna (DRA) is introduced for ultrawideband applications. Three methods of a Z-shaped dielectric resonator, a bevel feeding patch, and an air gap between the DR and the ground plane are used to obtain an ultrawideband impedance bandwidth. The effective dielectric constant and the -factor can be reduced by introducing the air gap. The bevel-shaped feeding mechanism provides a smooth impedance transition from one resonant mode to another. Furthermore, the results show… CONTINUE READING
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