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首页> 外文期刊>International journal of RF and microwave computer-aided engineering >A WLAN band-notched compact four element UWB MIMO antenna
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A WLAN band-notched compact four element UWB MIMO antenna

机译：WLAN带缺口紧凑的四元件UWB MIMO天线

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摘要

A compact four-element multiple-input-multiple-output (MIMO) antenna for ultra-wideband (UWB) applications with WLAN band-notched characteristics is proposed here. The proposed antenna has been designed to operate from 2 to 12 GHz while reject the frequencies between 4.9 to 6.4 GHz. The four antenna elements are placed orthogonal to attain the polarization diversity and high isolation. A thin stub connected to the ground plane is deployed as a LC notch filter to accomplish the rejected WLAN band in each antenna element. The mutual coupling between the adjacent elements is at least 17 dB while it has low indoor and outdoor envelop correlation (<0.45) and high gain with compact size of two boards, each measuring 50 × 25 mm2. To validate the concept, the prototype antenna is manufactured and measured. The comparison of the simulation results showed good agreement with the measured results. The low-profile design and compact size of the proposed MIMO antenna make it a good candidate for diversity applications desired in portable devices operating in the UWB region.
机译：这里提出了一种紧凑的四元件多输入 - 用于超宽带（UWB）应用的多输入多输出（MIMO）天线，具有WLAN带缺口特性的应用。所提出的天线设计用于2到12 GHz，拒绝4.9至6.4 GHz之间的频率。四个天线元件放置正交以获得偏振分集和高隔离。连接到接地平面的薄存根被部署为LC凹口滤波器，以在每个天线元件中完成拒绝的WLAN频带。相邻元件之间的相互耦合是至少17dB，而室内和室外包围相关性低（<0.45）和高增益，具有紧凑的两个板的高增益，每个电路板具有50×25mm2。为了验证概念，原型天线是制造和测量的。仿真结果的比较显示出与测量结果吻合良好。所提出的MIMO天线的低调设计和紧凑尺寸使其成为在UWB区域操作的便携式设备中所需的多样性应用的良好候选者。

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