Miniaturized Wideband Microstrip Antenna for Recent Wireless Applications

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S. A. Shandal
Y. S. Mezaal
M. F. Mosleh
M. A. Kadim


In this paper, a pentagon slot inside fractal circular patch microstrip resonator to design compact antenna over partial ground plane is introduced using 3rd iteration of adopted fractal geometry. This antenna is modeled on FR4 substrate with a size of (20 x 18) mm2, thickness of 1.5mm, permittivity of 4.3 and loss tangent of 0.02. The used type of feeding is microstrip line feed. It is designed to operate at wide frequency range of (4.5-9.3) GHz at resonant frequencies of 5.7GHz and 7.9GHz with impedance bandwidth of 4.8 GHz. Both lengths of ground plane Lg and width of feed line Wf are optimized in order to acquire optimum bandwidth. The simulated return loss values are -33 and -41 dB at two resonant frequencies of 5.7 and 7.9 GHz with gain of 3.2 dB. The simulated results offered noteworthy compatibility with measured results. Also, the proposed wideband microstrip antenna has substantial compactness that can be integrated within numerous wireless devices and systems.


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Shandal, S., Mezaal, Y., Mosleh, M., & Kadim, M. (2018). Miniaturized Wideband Microstrip Antenna for Recent Wireless Applications. Advanced Electromagnetics, 7(5), 7-13.
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