Publisher： Cambridge University Press
E-ISSN： 1759-0795|9|2|373-379
ISSN： 1759-0787
Source： International Journal of Microwave and Wireless Technologies, Vol.9, Iss.2, 2017-03, pp. : 373-379
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Abstract
A coplanar waveguide (CPW)-fed circular-shaped fractal antenna with third iterative orthogonal elliptical slot for ultra-wideband applications is presented. The bandwidth is enhanced by using successive iterations of radiating patch, CPW feedline, and tapered ground plane. An impedance bandwidth of 2.9–20.6 GHz is achieved. The designed antenna has omnidirectional radiation patterns along with average peak realized gain of 3.5 dB over the entire frequency range of operation. A good agreement is observed between the simulated and experimental results. This antenna structure has the advantages of miniaturized size and wide bandwidth in comparison to previously reported fractal structures.
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