Overview of Various Bandwidth Enhancement Techniques for Ultra-Wide Band Antennas

Abstract

This article deals with the Ultra-Wide Band (UWB) antennas that are appraised in respect of different geometries, design parameters and their experimental results. Several types of UWB antennas including special horn, micro-strip patch radiators and array antennas in recent works are elucidated, while comparing their measured return loss, gain and radiation patterns. Projections to the future developments of UWB antenna technology are also specified.