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Gain enhancement in ultra-wideband antennas backed by a suspended ground or covered with metamaterial superstrates

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2 Author(s)
Haraz, O.M. ; Electr. & Comput. Eng. Dept., Concordia Univ., Montreal, QC, Canada ; Sebak, A.-R.

This paper presents compact directional ultra-wideband (UWB) antenna designs with two different techniques. The first design is based on a monopole printed on a RT5880 printed circuit board (PCB) backed by a suspended ground in order to achieve directionality. The other design utilizes a metamaterial superstrate above the monopole antenna. In both cases, directional radiation patterns are achieved. Using a suspended ground achieves more gain enhancement. However, the antenna overall size is smaller using superstrate covering the monopole antenna.

Published in:

Electrical & Computer Engineering (CCECE), 2012 25th IEEE Canadian Conference on

Date of Conference:

April 29 2012-May 2 2012