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首页> 外文期刊>Microwaves, Antennas & Propagation, IET >Compact multiple input and multiple output/diversity antenna for portable and mobile ultra-wideband applications
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Compact multiple input and multiple output/diversity antenna for portable and mobile ultra-wideband applications

机译：紧凑的多输入多输出/分集天线，适用于便携式和移动超宽带应用

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摘要

This study presents a miniaturised multiple input and multiple output /diversity antenna which is suitable for high datarate communication systems such as mobile ultra-wideband (UWB). This antenna assembly comprises two identical planar inverted-F antennas, a T-shaped structure connecting them and a finite ground plane. The T-shaped structure improves the impedance matching and suppresses the mutual coupling between the antenna elements over a wider bandwidth than previously reported. The compact envelope dimension of this antenna is 50 x 90 x 7.5 mm3. Theoretical and experimental S-parameters are illustrated for this antenna that fully cover the UWB operating frequency band of 3.1–10.6 GHz, with a reflection coefficient and mutual coupling better than –10 and –20 dB, respectively. Acceptable agreement is obtained between computed and measured radiation patterns, gains, envelope correlation coefficient and channel capacity loss. The proposed antenna is an attractive candidate to provide pattern diversity and enhance channel capacity in a rich scattering environment.
机译：这项研究提出了一种小型化的多输入多输出/分集天线，适用于诸如移动超宽带（UWB）之类的高数据速率通信系统。该天线组件包括两个相同的平面倒F天线，连接它们的T形结构和有限的接地平面。 T形结构改善了阻抗匹配，并在比以前报道的更宽的带宽上抑制了天线元件之间的相互耦合。该天线的紧凑外壳尺寸为50 x 90 x 7.5 mm 3 。说明了该天线的理论和实验S参数，它们完全覆盖了3.1–10.6 GHz的UWB工作频带，反射系数和互耦分别优于–10和–20 dB。在计算和测量的辐射方向图，增益，包络相关系数和信道容量损失之间获得可接受的一致性。所提出的天线是在丰富的散射环境中提供模式分集并增强信道容量的有吸引力的候选者。

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