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2013-05-31
Dual Band-Notched Monopole Antenna with Multi-Resonance Characteristic for UWB Wireless Communications
By
Progress In Electromagnetics Research C, Vol. 40, 187-199, 2013
Abstract
In this manuscript, a novel design of ultra-wideband (UWB) monopole antenna with dual frequency band-stop performance is proposed. The proposed antenna consists of an ordinary square radiating patch with a pair of rotated T-shaped slits, and a modified ground plane with an inverted Ω-shaped and a pair of rectangular-ring slots. In the presented structure, by cutting a pair of rectangular-ring slots in the ground plane, additional resonances are excited and hence much wider impedance bandwidth can be produced, especially at the higher band that the antenna provides a wide usable fractional bandwidth of more than 140% (2.8-17.5 GHz). In order to generate single band-notched characteristic, we cut a pair of rotated T-shaped slits in the square radiating patch. Finally, by inserting an inverted Ω-shaped slot in the ground plane, a dual band-notched function is achieved. The measured results reveal that the presented dual band-notch monopole antenna offers a very wide bandwidth with two notched bands, covering all the 5.2/5.8 GHz WLAN, 3.5/5.5 GHz WiMAX and 4 GHz C bands. The designed antenna has a small size of 12×18 mm2. Good return loss, antenna gain and radiation pattern characteristics are obtained in the frequency band of interest. Simulated and measured results are presented to validate the usefulness of the proposed antenna structure for UWB applications.
Citation
Naser Ojaroudi Parchin, and Mouhammad Ojaroudi, "Dual Band-Notched Monopole Antenna with Multi-Resonance Characteristic for UWB Wireless Communications," Progress In Electromagnetics Research C, Vol. 40, 187-199, 2013.
doi:10.2528/PIERC13030405
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