We will discuss a small novel hexagonal shaped geometry for ultra wideband (UWB) monopole antenna with notch characteristics. The self-similar nature of this fractal like geometry provides higher effective antenna length and wide operating bandwidth because of the onset of multiple resonances. Notch characteristics are introduced using a rectangular slot in the ground plane, which enhances the reflection coefficient over the entire UWB frequency operating range for the proposed device. The optimized 19 mm × 15 mm dimensions, for the proposed antenna are the smallest among such geometries, exhibiting a large bandwidth from 3.1 GHz to 11.7 GHz with VSWR &lt; 2 over the entire frequency range. The proposed antenna demonstrates nearly omnidirectional radiation pattern, proper impedance matching, and good return loss over the entire UWB frequency range. © 2013 IEEE.

Vivek Vijay

Department of Mathematics

IIT Jodhpur

Ambesh Dixit

Department of Physics

S. Tripathi

S. Yadav

A. Mohan

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Hexagonal shaped fractal UWB antenna

2013 IEEE Applied Electromagnetics Conference, AEMC 2013

Journal	Data powered by Typeset2013 IEEE Applied Electromagnetics Conference, AEMC 2013
Publisher	Data powered by TypesetInstitute of Electrical and Electronics Engineers Inc.