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A Co-planar Waveguide Fed Dual Band-notched Tapered Slot Antenna |
LI Zhenya ZHU Xiaosong ZHANG Jianhua |
(Institute of Electronic Countermeasure, National University of Defense Technology, Hefei 230037, China) |
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Abstract In order to filter out the interference of WIMAX (3.3~3.8 GHz) and WLAN (5.125~5.825 GHz) narrowband signals to Ultra WideBand(UWB) system, a Co-Planar Waveguide (CPW) fed miniaturized tapered slot antenna with dual band-notched characteristics is proposed. The CPW structure can effectively
extend the bandwidth of the antenna and realize the full coverage of the whole UWB (3.1~10.6 GHz) frequency band. The dual band-notched characteristics (3.15~3.97 GHz and 4.94~6.05 GHz) are effectively achieved by etching the L-shaped slot in the antenna feeder and opening a pair of E-shaped slots in the
radiating patch, which can inhibit WIMAX and WLAN interference to the UWB system. The antenna is simple and compact, and the size is very small, only 40 mm×18 mm×0.813 mm. The simulated and measured results show that the antenna has good notch and gain characteristics in the ultra wideband band, and can be used in miniaturized UWB system. The method has certain reference significance for the research of notched tapered slot antenna.
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Received: 14 November 2017
Published: 30 May 2018
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Fund:The National Natural Science Foundation of China (61671454) |
Corresponding Authors:
LI Zhenya
E-mail: lizhenya7189@126.com
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