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Differential quasi self-complimentary (QSC) ultra-wideband (UWB) MIMO antenna

机译:差分准自补偿(QSC)超宽带(UWB)MIMO天线

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摘要

In this paper, a differentially excited ultra-wideband (UWB) MIMO antenna is designed for pattern diversity applications, utilizing quasi self-complimentary (QSC) antenna elements. Four QSC elements are realized using half- octagon shaped monopoles, and their complementary cuts from the ground plane. Due to the QSC property, wide impedance bandwidth covering the UWB frequency range of 3-11 GHz is achieved within very less antenna footprint. The QSC elements are placed symmetrically about the four edges of a square substrate. Two oppositely positioned elements are fed with 180nonphase difference, in order to form a single differential pair. Two such differential pairs are placed perpendicular to each other for realizing pattern diversity performance with high value of differential isolation.
机译:在本文中,利用准自补偿(QSC)天线元件,为模式分集应用设计了差分激励超宽带(UWB)MIMO天线。使用半八边形的单极子实现了四个QSC元件,它们的互补点是从接地平面切出的。由于QSC特性,在非常小的天线覆盖范围内就可以实现覆盖3-11 GHz UWB频率范围的宽阻抗带宽。 QSC元件围绕方形基板的四个边缘对称放置。两个相对放置的元素都以180n o n相差,以形成单个差分对。两个这样的差分对相互垂直放置,以实现具有高差分隔离度的模式分集性能。

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