A new 60 GHz band single-input switched beam antenna is proposed for the fifth-generation (5G) millimeter-wave network applications. The presented design is capable of electronically switching the main beam in two different directions via a proposed microstrip-line-to-slotline single-pole dual-throw (SPDT) switch based on commercially available p-i-n diodes. The antenna is fabricated in a low-cost printed circuit board process on a CuClad 217 substrate. Measurements were carried out in an anechoic chamber and experimental results show good agreement with numerical simulations. The antenna is capable of switching the main beam to the +45$^\circ$ and −45$^\circ$ directions in the horizontal plane with a gain of about 3 dBi and a beamwidth of 80$^\circ$ in both states. The presented prototype shows several advantages over other state-of-the-art millimeter-wave reconfigurable antennas such as a simple electrical switching mechanism, low-cost manufacturing, a low profile, and a small footprint. These features make the presented antenna ideal for low-cost millimeter-wave 5G applications, particularly in end-devices working under the Internet-of-Things paradigm.

中文翻译：

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用于 5G 毫米波应用的简单 60 GHz 开关波束天线

针对第五代 (5G) 毫米波网络应用，提出了一种新的 60 GHz 频段单输入切换波束天线。所提出的设计能够通过基于市售 pin 二极管的微带线到槽线单刀双掷 (SPDT) 开关在两个不同方向上以电子方式切换主光束。该天线采用低成本印刷电路板工艺在 CuClad 217 基板上制造。测量是在消声室中进行的，实验结果与数值模拟吻合良好。天线能够将主波束切换到 +45$^\circ$ 和-45$^\circ$ 水平面方向，增益约为 3 dBi，波束宽度为 80$^\circ$在两个州。与其他最先进的毫米波可重构天线相比，所呈现的原型显示出几个优势，例如简单的电气开关机制、低成本制造、低剖面和小占地面积。这些特性使所呈现的天线成为低成本毫米波 5G 应用的理想选择，尤其是在物联网范式下工作的终端设备。