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STUDY OF ELLPITICAL SLOT UWB ANTENNAS WITH A 5.0--6.0 GHz BAND-NOTCH CAPABILITY

By A. Elboushi, O. M. H. Ahmed, A. R. Sebak, and T. A. Denidni

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Abstract:
Two microstrip fed ultra-wideband (UWB) antennas with different band rejection techniques are presented in this paper. The designed antennas consist of a defected ground plane with an elliptical slot and two different radiator shapes. The first design is composed of a half circular ring radiator element while the second one uses a crescent shaped radiator. The radiators are fed by a 50 Ω microstrip line with a tapered microstrip transition to ensure good impedance matching. The calculated impedance bandwidth of the proposed antenna ranges from 3 GHz to 14 GHz with relatively stable radiation patterns. To achieve band-notch characteristic in the 5.0--6.0 GHz WLAN frequency band, two different techniques have been implemented. The first technique uses a C-shaped slot etched in the ground plane while the other one uses another Cshaped slot in the feed line.

Citation:
A. Elboushi, O. M. H. Ahmed, A. R. Sebak, and T. A. Denidni, "Study of Ellpitical Slot UWB Antennas with a 5.0--6.0 GHz Band-Notch Capability," Progress In Electromagnetics Research C, Vol. 16, 207-222, 2010.
doi:10.2528/PIERC10080905

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