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A Hybrid Reconfigurable Antenna Design for Cognitive Radio System—Combination of Sensing and Reconfigurable Antennas

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Author(s): Yahya S. H. Khraisat | Nedal Al-Tawalbeh | Imad A. Abdel-Hafez | Ebrahim Shibly

Journal: Journal of Electromagnetic Analysis and Applications
ISSN 1942-0730

Volume: 05;
Issue: 08;
Start page: 328;
Date: 2013;
Original page

Keywords: Reconfigurable Antenna | Sensing Antenna | Hybrid Combination | Cognitive Radio System

ABSTRACT
This paper presents a modification of an existing cognitive antenna design which contains two antennas: one is a sensing that covers the band from 1 - 11 GHz and the other is a hybrid triangular reconfigurable antenna. Two antennas are combined together to create a new design which called Cognitive Antenna. The new shape of the reconfigurable antenna will affect the cognitive antenna so as to work at two different frequencies via rotation by 180°. At each rotation, the antenna takes single frequency from number of possible frequencies that sensing antenna would find.
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