C Band Microstrip Patch Antenna with EBG & Superstrate Structure

Abstract

EBG structure and a dielectric layer over a microstrip patch antenna have remarkable effect on its input characteristics and bandwidth. In proposed paper we studied both electromagnetic band-gap structure and a superstrate to increase the bandwidth of patch antenna. We measured bandwidth with and without EBG to design an Antenna for resonance frequency 4 GHz. And then implemented superstrate in EBG structure. This antenna designed on Ansoft HFSS designer software, impedance bandwidth ,VSWR ,return losses & smith charts are observed and experimentally studied. Details of simulated results are presented and discussed.