一种紧凑的超宽带天线，具有双带陷波特性，采用过孔结构

The 2011 International Conference on Advanced Technologies for Communications (ATC 2011) Pub Date : 2011-09-26 DOI:10.1109/ATC.2011.6027485

V. H. Nguyen, T. Maeda

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引用次数: 4

摘要

在超宽带(UWB)应用中，采用过孔结构实现了紧凑平面单极天线的双带陷波特性。所提出的天线由改进的辐射贴片元件和接地面组成。在天线背面蚀刻三个贴片，通过一系列通孔与主贴片相连，实现WiMAX 3.5 GHz陷波带和WLAN 5.5 GHz陷波带。仿真和测量结果表明，除了WiMAX和WLAN的带宽外，该天线在VSWR<2下的阻抗带宽为3.1-10.6 GHz。除陷波带外，还获得了几乎全向的辐射方向图和稳定的增益。

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A compact UWB antenna with dual band-notched characteristics using viahole structure

In this paper, a viahole structure is applied to realize dual band-notched characteristic in a compact planar monopole antenna for ultrawide band (UWB) applications. The proposed antenna consists of a modified radiating patch element and a ground plane. Three patches are etched on the back of the antenna and connected to the main patch by series of via holes to realize the WiMAX 3.5 GHz notched band and the WLAN 5.5 GHz notched band. The simulation and measurement show that the proposed antenna achieves an impedance bandwidth of 3.1–10.6 GHz with VSWR<2, except the bandwidths of WiMAX and WLAN. A nearly omnidirectional radiation pattern and stable gain are also obtained except in the notched bands.

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The 2011 International Conference on Advanced Technologies for Communications (ATC 2011)

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