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Progress In Electromagnetics Research
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IMPROVED DUAL BAND-NOTCHED UWB SLOT ANTENNA WITH CONTROLLABLE NOTCHED BANDWIDTHS

By C.-M. Li and L.-H. Ye

Full Article PDF (1,784 KB)

Abstract:
A compact dual band-notched ultra-wideband slot antenna with sharp band-notched characteristics and controllable notched bandwidths is presented. The antenna is formed by a rectangular slot with chamfered corners on a printed circuit board ground plane, a T-shaped stub and two sets of compound band-notched structures. The compound band-notched structures are employed to generate desired lower and upper rejected bands with satisfactory skirt characteristics and sufficient rejection bandwidths. Moreover, the bandwidth of either the lower or upper rejected band can be independently adjusted by changing the size and location of the corresponding band-notched structure. Finally, an UWB slot antenna with two rejected bands at WiMAX/WLAN frequencies is successfully simulated, designed, and measured, showing good impedance matching, stable gain and near omnidirectional radiation patterns.

Citation:
C.-M. Li and L.-H. Ye, "Improved Dual Band-Notched UWB Slot Antenna with Controllable Notched Bandwidths," Progress In Electromagnetics Research, Vol. 115, 477-493, 2011.
doi:10.2528/PIER11030304
http://www.jpier.org/PIER/pier.php?paper=11030304

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