An Improved Band-Rejection UWB Antenna With Resonant Patches and a Slot

Using two parasitic patches and a parasitic slot, we achieved a circular-slot type ultrawideband (UWB) antenna with excellent band-rejection characteristics. By changing the parameters of the parasitic patches and slot on the radiator, not only the rejection frequency but also the skirt and bandwidt...

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Veröffentlicht in:IEEE antennas and wireless propagation letters 2009, Vol.8, p.299-302
Hauptverfasser: Jang, Joon-Won, Hwang, Hee-Yong
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description Using two parasitic patches and a parasitic slot, we achieved a circular-slot type ultrawideband (UWB) antenna with excellent band-rejection characteristics. By changing the parameters of the parasitic patches and slot on the radiator, not only the rejection frequency but also the skirt and bandwidth of the 5-GHz rejection band can be easily modified without the degradation of the UWB antenna characteristics itself. Optimized parasitic patches and slot give the conventional circular-slot UWB antenna sufficient rejection bandwidth and sharp skirt response in 5-GHz rejection band.
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subjects Antennas
Antennas and propagation
Band-rejection antenna
Bandwidth
circular-slot antenna
Circularity
Frequency
Interference
Patch antennas
Radar antennas
Radiators
Rejection
Resonance
resonant patches
resonant slot
Skirts
Slot antennas
Ultra wideband antennas
Ultra wideband technology
Ultrawideband
ultrawideband (UWB) antenna
Wireless LAN
title An Improved Band-Rejection UWB Antenna With Resonant Patches and a Slot
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