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Article
A Cantor Fractal Based Printed Monopole Antenna for Dual-band Wireless Applications
Engineering and Technology Journal (2016)
  • Mohammed R. Hussan, Department of Electrical Engineering, University of Technology, Iraq
Abstract
Cantor fractal geometry and its variants are found attractive for microwave
antenna designers seeking for compact size multiband antennas. This paper presents the
design of a new microstrip fed printed monopole antenna for use in dual-band wireless
applications. The radiating element of the monopole antenna is in the form of Cantor fractal
geometry of the second iteration as applied on rectangular patch. The monopole radiating
element has been etched on a substrate with relative permittivity of 4.4 and 1.6 mm
thickness and is fed with a 50 ohm microstrip line.  A reduced ground plane has been
etched on the reverse side of the substrate. Modeling and performance evaluation of the
proposed antenna have been carried out using the commercially available EM simulator,
IE3D. Simulation results reveal that the proposed antenna offers dual-band resonant
behavior with –10 dB impedance bandwidths and radiation characteristics suitable for
almost most of the recently available services in the 1-6 GHz range. A parametric study has
been carried out to explore the effect the aspect ratio of the proposed antenna radiating
element on its performance. The study reveals that the radiating element aspect ratio has a
considerable effect on the coupling of the two resonant bands.  Besides the simple design,
the antenna offers reasonable radiation characteristics. Simulated –10 dB impedance
bandwidths for the lower and the upper resonant bands are (2.30–2.84 GHz) and (5.56–6.01
GHz) respectively. This makes the proposed antenna suitable to cover numbers of
operating bands of the wireless communication systems (2.4 GHz-Bluetooth, 2.4 GHz ISM, 2.5/5.8 GHz-WLAN, 5.8 GHz-ITS).

Keywords
  • Dual-band,
  • Dual-band Antenna
Publication Date
2016
Citation Information
Accepted for publication.