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2019-05-30

A New Compact Circular Shape Fractal Antenna for Broadband Wireless Communication Applications

By Aliakbar Dastranj, Fatemeh Ranjbar, and Mosayeb Bornapour
Progress In Electromagnetics Research C, Vol. 93, 19-28, 2019
doi:10.2528/PIERC19031001

Abstract

A new compact broadband circular fractal antenna is presented to simultaneously cover the operations in S-, C-, X-, and Ku-bands. Fractal geometry of the radiator including an iterative circular patch with a square slot, a modified feed-line with step technique, and slot-loaded semi-circular ground plane is used to achieve a broad impedance bandwidth more than 151% from 3 to 21.5 GHz (|S11|< -10 dB). The simulation results are verified by experimental measurements. Measured data are in good agreement with the simulated results. The frequency- and time-domain characteristics of the antenna including impedance matching, far-field patterns, gain, group delay, and fidelity factor are presented and discussed. The proposed broadband antenna features small size of 38×36×1.4 mm3 and nearly omnidirectional radiation patterns that make it excellent candidate for integration in broadband wireless communication systems.

Citation


Aliakbar Dastranj, Fatemeh Ranjbar, and Mosayeb Bornapour, "A New Compact Circular Shape Fractal Antenna for Broadband Wireless Communication Applications," Progress In Electromagnetics Research C, Vol. 93, 19-28, 2019.
doi:10.2528/PIERC19031001
http://jpier.org/PIERC/pier.php?paper=19031001

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