Low-Cost Low-Profile Planar Patch Antenna for Ultra-Wideband Applications

Abstract

This paper presents a low-cost low-profile planar patch antenna for ultra-wideband wireless communication system. Surface current density is studied and considered to cover the wider frequency band that is ranging from 3.1 GHz to 13 GHz. The proposed antenna system has a compact electrical size of 0.27λ×0.27λ×0.0083λ at 3.1 GHz. The bandwidth ratio of the proposed antenna is 4.19:1 which is greater than the octave. The peak gain, 4.05 dBi, is recorded at 10.1 GHz and radiation efficiency is better than 86% over the entire UWB.