| Multiband-Notched UWB Antenna Using Folded Slots in the Feeding Structure |
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Son Xuat Ta, Ikmo Park |
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Department of Electrical and Computer Engineering, Ajou University |
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| Abstract |
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An ultra-wideband (UWB) circular monopole antenna with a multiband-notched characteristic is proposed. The multiband-notched filter consists of three different sized folded slots, which are distinctly assigned for the notched band at the 3.5-GHz WiMAX, 5-GHz WLAN, and 8-GHz ITU bands. The proposed antenna results in a measured ${mid}S_{11}{mid}$ < -10 dB, which completely covers the UWB band (3.1 10.6 GHz) with three notched bands at 3.5, 5.5, and 8.0 GHz. The antenna yields an omnidirectional radiation pattern and high radiation efficiency. |
| Key words:
Bandstop Filter, Folded Slot, Printed Circular Monopole, Ultra-Wideband |
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