A novel compact ultra-wideband metamaterial-based microstrip antenna

Abstract

A novel compact Ultra-wideband (UWB) microstrip patch antenna using planar metamaterial structures is proposed. The metamaterial microstrip antenna has two layers consists of a meshed top patch and a patterned ground plane. The inductances and capacitances coupled due to the ground plane and patterned radiating patch leads to the left handed behavior of the metamaterial. The proposed antenna which designed on the low cost FR4 substrate has compact size 28×32 mm2 with height 0.794mm. The impedance bandwidth operates from 3.3 to 12 GHz for S-parameter of less than -10 dB level. The results obtained from the simulation studies shows that the antenna has good radiation characteristics for the UWB applications.