Half Hexagonal Shaped UWB antenna with triple band notch using resonating structures for wireless communication

Abstract

In this article, an UWB (Ultra-wide Band) compact monopole antenna with triple band-notched characteristics is presented. The antenna structure consists of a half-hexagon monopole with rectangular and square resonant spirals structures for the exclusion of frequency bands for WiMAX (3.25-3.85GHz), ), and Fixed/Mobile Satellite Communication (7.55-7.75GHz). The compact antenna of size 28x 29 mm 2 achieves simulated ultra-wide bandwidth of 14.7GHz (2.9GHz-17.6GHz) and measured bandwidth of 14.8GHz (3.21-18.0GHz). The stable gain characteristic is obtained for the passband and gain is reduced to -2.02dBi (3.57GHz), 0.4 dBi (5.3GHz) and-2.75dBi (7.6GHz) at band notch frequencies.