Design of Double-F Metamaterial Structure for Enhancing Bandwidth of Patch Antenna with Negative μ and e

In this paper a rectangular micro strip patch antenna along with a metamaterial structure is proposed at a height of 3.2mm from the ground plane, which consists of a Double F Shaped Resonator (DFR) with Horizontal Rectangular Strips. This work is mainly focused on increasing the bandwidth of low profile micro strip patch antennas. The patch antenna along with the proposed metamaterial structure is designed to resonate at 1.45GHz. The impedance bandwidth of the patch antenna along with the proposed metamaterial structure is improved by 19.7MHz. All the simulation work is done by using CST-MWS Software. Double-Negative properties (Negative Permeability and Permittivity) of the proposed metamaterial structure have also been verified using Nicolson-Ross-Weir method (NRW).