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Progress In Electromagnetics Research C
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A NOVEL MAPLE-LEAF SHAPED UWB ANTENNA WITH A 5.0-6.0 GHz BAND-NOTCH CHARACTERISTIC

By O. M. Haraz Ahmed and A. R. Sebak

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Abstract:
A novel microstrip fed ultra-wideband (UWB) antenna with different band rejection techniques is presented in this paper. The antenna consists of a maple-leaf shaped radiator fed by a microstrip line with a finite ground plane on the other side of the substrate. The size of the UWB antenna is 30.5 × 35.5 mm2 which is only about 0.3 × 0.35 λ2 at 3 GHz. The calculated impedance bandwidth of the proposed antenna ranges from 3 GHz to 14 GHz with relatively stable radiation patterns. Two different techniques have been implemented to achieve band-notch characteristic in the 5.0-6.0 GHz WLAN frequency band. The first one uses an H-shaped slot cut away from the radiating patch while the other one uses two rectangular slits in the ground plane creating defected ground structure (DGS).

Citation:
O. M. Haraz Ahmed and A. R. Sebak, "A Novel Maple-Leaf Shaped UWB Antenna with a 5.0-6.0 GHz Band-Notch Characteristic," Progress In Electromagnetics Research C, Vol. 11, 39-49, 2009.
doi:10.2528/PIERC09091107

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