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The given paper presents an Ultra Wide Band (UWB) which is simplified and compacted on a rectangular micro strip patch. The micro strip patch of rectangular shape has been narrowed at the bottom and the ground plane in cut-shorted at the top center. The substrate is FR4 substrate with the dimension of (28x29x1.6) mm and permittivity of 4.4. The antenna has been designed on HFSS v11.0 software simulation tool. The simulated results are shown in this paper. The designed antenna exhibits an impedance bandwidth between 3.3-16.9 GHz (for S11<-10 dB). The designed antenna has stable VSWR (1.0-2.0) and stable E and H plane over the given bandwidth range. The designed UWB antenna resonates at 6 different frequencies (at 3.9GHz, 6.5 GHz, 3.9GHz, 8.5 GHz, 11.2 GHz, 14.3GHz and 15.3GHz).. The Ultra wide bandwidth has been achieved by implementing the concept of frequency independence method. The antenna exhibits better UWB characteristics suitable for UWB applications. Keywords:Bandwidth,FCC, Group delay, Omni-directional, UWB, VSWR.

Design and Effects of Symmetrical Slotted Array on Microstrip Ultra wide Band Antenna