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首页> 外文期刊>International journal of RF and microwave computer-aided engineering >Compact slot-loaded ultra-wideband multiple-input multiple-output antenna with fractal-inspired isolator
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Compact slot-loaded ultra-wideband multiple-input multiple-output antenna with fractal-inspired isolator

机译：紧凑的缝隙式超宽带多输入多输出天线，带有分形启发隔离器

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摘要

In this paper, a compact multielement ultra-wideband (UWB) multiple-inputmultiple-output (MIMO) antenna is presented. The proposed antenna is designedby integrating novel technique of stub-loaded slot, split square ring (SSR), andfractal-inspired isolator. The antenna size is effectively miniaturized byimplementing three-sided symmetrical stub-loaded Koch slot and square splitring. The impedance bandwidth is broadened by using small notched partial groundplane. The mutual coupling between the element is impressively reduced byisolating the structure with a Sierpinski fractal. As a result, the proposed antennaachieves a UWB response with a very broad impedance bandwidth of 3.1 to19 GHz. Moreover, the proposed antenna obtains high peak stable gain and diversitygain of up to 10 dBi, lower group delay (<1 ns), and lower envelop correlationcoefficient of
机译：本文提出了一种紧凑的多元素超宽带（UWB）多输入多输出（MIMO）天线。拟议的天线是通过集成短负载缝隙，开口方形环（SSR）和分形启发隔离器的新技术而设计的。通过实施三边对称短截加载的Koch缝隙和正方形分割，可以有效地使天线尺寸最小化。通过使用带槽口的小接地平面可以扩大阻抗带宽。通过用Sierpinski分形隔离结构，可显着减少元素之间的相互耦合。结果，提出的天线以3.1至19 GHz的非常宽的阻抗带宽实现了UWB响应。此外，所提出的天线可获得高达10 dBi的高峰值稳定增益和分集增益，较低的群时延（<1 ns），以及较低的包络相关系数。

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