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Feather-shaped super wideband MIMO antenna

机译:羽毛形超级宽带MIMO天线

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摘要

Two configurations of a modified feather-shaped antenna element are proposed for super wideband (SWB) multiple-input multiple-output (MIMO) applications. The antenna element geometry comprises of a circular slot-loaded feather-shaped radiator and rectangular notch-loaded quarter elliptical coplanar waveguide ground plane. An operating bandwidth of 4.4-51.5 GHz with inter-port isolation, S-21 = 15 dB for spatial diversity configuration, and 3.8-51.5 GHz with S-21 = 15 dB in pattern diversity configuration are achieved. The footprints of the antenna configurations are 17 x 33 and 31 x 31 mm(2). Both configurations exhibited an envelope correlation coefficient of -20 dB. The proposed MIMO configurations are fabricated and experimentally validated. The designed antenna configurations are SWB and compact.
机译:提出了两个修改的羽脚形天线元件的配置,用于超级宽带(SWB)多输入多输出(MIMO)应用。天线元件几何形状包括圆形槽装载的羽状散热器和矩形切口加载的四分之一椭圆间共面波导接地平面。实现了4.4-51.5 GHz的操作带宽,用于空间分集配置的端口间隔离,S-21> = 15 dB,以及3.8-51.5GHz,具有S-21> = 15 dB的模式分集配置。天线配置的占地面积为17×33和31×31mm(2)。这两种配置都表现出封套相关系数<-20 dB。提出的MIMO配置是制造和实验验证的。设计的天线配置是SWB和紧凑型。

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