Design and Characterization of an UWB Antenna with Multiple Band Notch using EMPro

Abstract: In recent years, there has been an explosive growth in Ultra-wideband communication because of its characteristics like higher data rates, saturation of the frequency spectrum, low power consumption, etc. In this paper, an ultra-wide band (UWB) antenna which operates in the frequency band 3.1-10.6 GHz is designed. The designed antenna has an eye geometry patch and a ground layer. The antenna exhibits a 10 dB return loss bandwidth over the entire frequency band. By modifying the physical structure, the RCS (radar cross section) of the designed antenna is reduced. To avoid electromagnetic interference (EMI) with narrow band systems, the four pairs of meanders lines (MLs) are added to the antenna to generate multi band notch characteristic. These MLs act as resonators and main advantage of this technique is no extra space is required so that overall antenna is maintained. The EMPro simulation tool is used for antenna simulation.

Keywords: Ultra Wide Band (UWB), Antennas, Radar Cross Section (RCS), Electromagnetic Interference (EMI).