Design and Parametric Analysis of Beveled UWB Triple Band Rejection Antenna

A novel beveled triple band rejection UWB monopole radiator is presented. The reference UWB antenna incorporate a beveled radiator and partial ground structure for achieving UWB bandwidth from 2.73 to 11.05 GHz. For rejecting 3.78-4.36, 5.15-5.45, and 7.2-7.9 GHz for C, lower WLAN, and X-band applications, the reference UWB element is freighted with an inverted U-shaped slot etched into a radiating patch. A symmetrical split ring resonator pair (SSRRP) is proximate to microstrip feed, and a C-shaped parasitic stub is embedded on top of defected ground plane. The antenna is designed on an FR-4 substrate with 30 x 32.5 mm(2) size, having a realized average gain of 3.72 dBi and is nearly stable across the entire UWB excluding at three rejected bands.