Ultra-wideband (UWB) Monopole Antenna with Dual Notched Bands by Combining Electromagnetic-Bandgap (EBG) and Slot Structures

2019 IEEE MTT-S International Microwave Biomedical Conference (IMBioC) Pub Date : 2019-05-01 DOI:10.1109/IMBIOC.2019.8777856

Yi Wang, Tongde Huang, Dongdong Ma, Peipei Shen, J. Hu, Wen Wu

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引用次数: 3

Abstract

A novel design technique, which combines mushroom-shaped electromagnetic-bandgap (EBG) structures and a slot together, is proposed for ultra-wideband (UWB) band-notched antenna. The implementation of the slot can not only create its own notched band, but also enhance the filtering performance at the other notched band generated by EBG structures. This is caused by the increased current density in the two ends of the slot. The location of the two notched bands are determined by the position and size of the EBG and the length of the slot, respectively. However, the parameters of the EBG structures and slot has little effect on the antenna performance. The simulated results demonstrate that the proposed antenna exhibits a good wideband radiation performance from 2.64 to 12.9 GHz along with two separated notched bands at WLAN (4.8-5.9 GHz) and X-band downlink satellite communication band (7.1-7.8 GHz). As a result, the proposed design is a promising candidate for modern UWB antennas.

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结合电磁带隙和缝隙结构的超宽带双陷波单极天线

提出了一种将蘑菇状电磁带隙(EBG)结构与缝隙相结合的超宽带陷波天线设计方法。该槽的实现不仅可以创建自己的陷波带，还可以提高在EBG结构产生的其他陷波带上的滤波性能。这是由于插槽两端的电流密度增加造成的。两个缺口带的位置分别由EBG的位置和大小以及槽的长度决定。而EBG结构参数和槽位参数对天线性能影响不大。仿真结果表明，该天线在2.64 ~ 12.9 GHz范围内具有良好的宽带辐射性能，在无线局域网(4.8 ~ 5.9 GHz)和x波段下行卫星通信频段(7.1 ~ 7.8 GHz)具有两个独立的陷波带。因此，所提出的设计是现代超宽带天线的一个有希望的候选者。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2019 IEEE MTT-S International Microwave Biomedical Conference (IMBioC)

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