Metamaterial Based Surface Mountable Planar Antennas for Wireless Applications

Abstract

Left handed materials have mostly attracted from last decade because of its extraordinary properties, such as negative index of refraction, negative electrical permittivity and negative magnetic permeability. They are considered as artificial composite or structured material that exhibits properties, not found in naturally occurring materials. Left handed material was first termed by Veselago in 1968, who predicted that there exists such a medium in which the magnetic field, electric field and wave vectors form a left handed orthogonal set. newlineThe aspects of the wave propagation, scattering guided waves and the antenna applications are also reviewed along with the detailed physics and electromagnetics of the left handed materials. Metamaterials are the most suitable example for left handed materials which offers satisfactory results based on repeated cells. However, performance evaluation of other electrical parameters for unit cells has also carried out. newlineThe basic design goal of the research is to explore capabilities of metamaterial for all types of wireless applications such as: Global System for Mobile Communication (GSM), Wireless Local Area Network (WLAN), Global Positioning Systems (GPS) and Worldwide Interoperability for Microwave Access (WiMAX), etc. This work primarily discuss about the realization of Left handed material by the Split Ring Resonators (SRRs) designs and Defected Ground Structure (DGS). Different design were developed using unit cell concept and arrays of split ring resonators for better electrical antenna parameter results. newlineAnother design mainly focuses on different defected structure and partial ground plane. The major effect of partial ground plane is bandwidth newline newline