2011-05-12
Compact UWB Antenna with Dual Band-Notched Characteristics
By
Progress In Electromagnetics Research Letters, Vol. 23, 181-189, 2011
Abstract
A compact ultrawideband (UWB) antenna with 3.5/5.2GHz band-notched characteristics is proposed. The proposed antenna is composed of a half elliptic annulus radiation element fed by microstrip line and a step-shaped ground plane with truncated corners. By inserting closed-looped resonating structure onto the radiation patch and connecting open-looped resonator on the back side with patch via metallic hole, the dual notched frequency bands are achieved. The numerical and experimental results exhibit a wide impedance bandwidth ranging from 3.08 to 11GHz with the dual notched bands around 3.5 and 5.2GHz. Additionally, nearly omni-directional radiation patterns, moderate gain, and small group delay variation are also obtained.
Citation
Feng-Chao Ren, Fu-Shun Zhang, Bo Chen, Gang Zhao, and Fan Zhang, "Compact UWB Antenna with Dual Band-Notched Characteristics," Progress In Electromagnetics Research Letters, Vol. 23, 181-189, 2011.
doi:10.2528/PIERL11031405
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