Design of ultrawideband planar monopole antennas of circular and elliptical shape

Abbosh, A. M. and Bialkowski, M.E. (2008) Design of ultrawideband planar monopole antennas of circular and elliptical shape. IEEE Transactions on Antennas and Propagation, 56 1: 17-23. doi:10.1109/TAP.2007.912946


Author Abbosh, A. M.
Bialkowski, M.E.
Title Design of ultrawideband planar monopole antennas of circular and elliptical shape
Journal name IEEE Transactions on Antennas and Propagation   Check publisher's open access policy
ISSN 0018-926X
Publication date 2008-01-01
Year available 2008
Sub-type Article (original research)
DOI 10.1109/TAP.2007.912946
Open Access Status Not yet assessed
Volume 56
Issue 1
Start page 17
End page 23
Total pages 7
Editor Bird, T.S.
Place of publication New York
Publisher Institute of Electrical and Electronics Engineers
Language eng
Subject 100501 Antennas and Propagation
C1
861799 Communication Equipment not elsewhere classified
Abstract An efficient approach is described for designing ultrawideband (UWB) antennas in the form of planar monopoles of elliptical and circular shape. To avoid the time consuming trial-and-error approach presented in other works, simple design formulas for this type of radiators are described and their validity is tested via electromagnetic analysis and measurements. Full electromagnetic wave investigations are performed assuming three types of substrates with wide range of dielectric constant and thickness. The presented results show that the proposed method can be applied directly to design planar antennas that cover the ultrawide frequency band from 3.1 GHz to more than 10.6 GHz. Four types of monopole antennas were manufactured using RT6010LM substrate and their operation was tested in terms of return loss, radiation pattern characteristics, gain, and time domain response. The developed antennas feature UWB behavior with near omnidirectional characteristics and good radiation efficiency. The time domain transmission tests between two identical elements show that the manufactured circular monopoles offer better performance in terms of distortionless pulse transmission than their elliptically shaped counter parts. These antennas are also assessed in terms of fidelity factor. The manufactured antennas show a high fidelity factor which is more than 90% for the face-to-face orientation.
Keyword Engineering, Electrical & Electronic
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: 2009 Higher Education Research Data Collection
School of Information Technology and Electrical Engineering Publications
 
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Created: Mon, 13 Apr 2009, 03:31:53 EST by Donna Clark on behalf of School of Information Technol and Elec Engineering