Abstract

This study presents a new miniaturised printed monopole antenna. The size of the antenna is 18times18 mm 2 . First simple design rules are given to arrive at an initial design for the antenna, then the antenna parameters are optimised for utilisation in ultra wide band (UWB) applications. The performance parameters like voltage standing wave ratio (VSWR) of the single antenna as well as transmission function, group delay and the fidelity factor of a two-antenna system are calculated and measured. It is shown that the band-notched performance can be obtained from the designed antenna by introducing simple pi-shape or V-shape slots in its radiating element. Good agreements between simulated and measured results are observed.

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