A novel UWB antenna with dual notched bands for WiMAX and WAVE application

Abstract

A novel planar ultrawideband (UWB) antenna with dual notched bands is proposed and investigated in this paper due to that UWB system is easy to be interfered with the narrow-band signals. The antenna consists of a square radiating patch and a modified grounded plane. To realize dual band-notched characteristics, a T-shaped stub embedded in the square slot of the radiation patch and a pair of U-shaped slots in the ground plane is utilized. The simulation results indicate that the designed dual band-notched planar antenna shows a very wide bandwidth from 1.9 to 12.5 GHz defined by voltage standing wave ratio VSWR<2 except the bandwidth of WiMAX and WAVE for band notched, which minimized the potential interferences between the ultrawideband systems and the narrowband communication systems effectively.