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UWB Fractal Antennas with Low Group Delay Variation
Wireless Personal Communications ( IF 1.9 ) Pub Date : 2020-05-11 , DOI: 10.1007/s11277-020-07459-z
Bazil Taha Ahmed , Daniel Brande Hernández

In this paper, two Sierpinski carpet UWB fractal antennas are designed and fabricated. The first fractal antenna is an antenna that has not any notch filter. The second one is an antenna with double notch filters. Antenna without notch filter has an operating band of (3.1–10.8) GHz with a gain of 5.3 dB at 10 GHz. This antenna has a low group delay variation. Antenna with double notch filters working at (3.36–12) GHz band shows a gain reduction and higher group delay at the filters operating band. Out of the notch filters operating band, the antenna has a low group delay variation and a gain near to the gain of the antenna without notch filters. The MIMO version of the antenna shows an operating band up to 10.8 GHz and isolation between ports higher than 15 dB.



中文翻译:

具有低群时延变化的UWB分形天线

本文设计并制造了两个Sierpinski地毯UWB分形天线。第一分形天线是没有任何陷波滤波器的天线。第二个是带有双陷波滤波器的天线。不带陷波滤波器的天线的工作频带为(3.1–10.8)GHz,在10 GHz时的增益为5.3 dB。该天线的群时延变化小。在(3.36–12)GHz频段工作的带有双陷波滤波器的天线在滤波器的工作频段显示出增益降低和更高的群时延。在陷波滤波器的工作频带之外,天线的群延迟变化小,增益接近没有陷波滤波器的天线的增益。天线的MIMO版本显示高达10.8 GHz的工作频带,端口之间的隔离度高于15 dB。

更新日期:2020-05-11
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