Abstract
In this paper first we design V-shaped slot loaded and cylindrical slot loaded microstrip patch antenna fed by a microstrip line (50Ω) and analyze its performance. The proposed antenna is designed by using HFSS simulation tool. Feeding is done by using microstrip feed line. After designing antenna we see the effect of variation in the dielectric material of substrate, and length of cylindrical slot and ground plane variation on antenna bandwidth is analyzed. This antenna design gives impedance bandwidth of 10 GHz operating over a frequency range of 3.5 to 14.1 GHz with VSWR < 2. These characteristics make the designed antenna suitable for various ultra wideband applications.
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