Numerical Analysis of a Small Ultra Wideband Microstrip-Fed Tap Monopole Antenna

Provided by: EMW Publishing
Topic: Mobility
Format: PDF
In this paper, the authors present a planar microstrip-fed tab monopole antenna for ultra wideband wireless communications applications. The impedance bandwidth of the antenna is improved by adding slit in one side of the monopole, introducing a tapered transition between the monopole and the feed line and adding two-step staircase notch in the ground plane. Numerical analysis for the antenna dimensional parameters using Ansoft HFSS is performed and presented. The proposed antenna has a small size of 16x19mm and provides an ultra-wide bandwidth from 2.8 to 28GHz with low VSWR level and good radiation characteristics to satisfy the requirements of the current and future wireless communications systems.

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