In this paper, initially a Planar Inverted Cone Metal Antenna (PICMA) is optimized for wideband wireless communication. Finally, a compact Shorted Planar Inverted Cone Metal Antenna (SPICMA) is developed by introducing a shorting strip on the radiating element of optimized PICMA. The PICMA is optimized to operate from 1.7 GHz to more than 20 GHz, and the SPICMA is optimized to extend the operating band from 1.05 GHz to more than 20 GHz resulting in size reduction of 38%. The proposed antenna yields bidirectional radiation pattern in E and H planes. Various characteristics of the antenna have been analyzed using Finite Integration Technique (FIT) based commercial software CST studio. The measured reflection coefficient agrees with the simulated result for the optimized SPICMA.
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