Electronically-reconfigurable horizontally polarized wide-band planar antenna

Sheel, Soumya & Coetzee, Jacob (2015) Electronically-reconfigurable horizontally polarized wide-band planar antenna. In International Symposium on Antennas and Propagation (ISAP 2015), 9-12 November 2015, Hobart, Tas.

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Antennas are a necessary and critical component of communications and radar systems, but their inability to adjust to new operating scenarios can sometimes limit the system performance. Reconfigurable antennas capable of radiating in only specific desired directions can ameliorate these restrictions and help to achieve increased functionality in applications like direction finding and beam steering. This paper presents the design simulation, fabrication and measurement of a wide-band, horizontally polarized, direction reconfigurable microstrip antenna operating at 2.45 GHz. The design employs a central horizontally polarized omnidirectional active element surrounded by electronically reconfigurable parasitic microstrip elements, controlled by PIN diodes acting as RF switches. Experimental results show that the reconfigurable antenna has a bandwidth of 40% (2-3 GHz), with 3 dB gain in the desired direction and capable of steering over the 360° range.

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ID Code: 95391
Item Type: Conference Paper
Refereed: Yes
Keywords: reconfigurable antenna, parasitic antenna, wideband frequency
ISBN: 9784885523038
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2015 IEICE
Deposited On: 05 May 2016 22:32
Last Modified: 10 May 2016 15:11

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