Differentially fed six-beam switchable reconfigurable antenna is proposed in this study. The antenna consists of radiators, parasitic elements, cross-shaped feeding network and the ground plane. The radiators are formed by two pairs of gear-shaped cross dipoles. By changing the excitation differential ports to drive one of two pairs of dipoles, and by enabling different reflectors, the beam can be switched to point to six different directions with different zenith and azimuth angles. For all the beam directions, the proposed antenna can obtain −10 dB differential reflection coefficient of 20.8% operating from 3.01 to 3.76 GHz, a high average gain of 7.6 dBi and radiation efficiency of 80%.

中文翻译：

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差分馈电六波束可切换可重构天线

本研究提出了差分馈电六波束可切换可重构天线。天线由辐射器，寄生元件，十字形馈电网络和接地层组成。辐射器由两对齿轮形交叉偶极子形成。通过改变激励差分端口来驱动两对偶极子之一，并通过启用不同的反射器，可以将光束切换为指向具有不同天顶角和方位角的六个不同方向。对于所有的波束方​​向，所建议的天线在3.01至3.76 GHz的频率下均可获得20.8％的-10 dB差分反射系数，7.6 dBi的高平均增益和80％的辐射效率。