Multi-directional beam of patch antenna

M. Jusoh, A. H. Ismail, M. Kamarudin, A. Alomainy, Mohd Waffy Nasrudin, T. Sabapathy
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引用次数: 4

Abstract

A parasitic planar patch antenna capable of multidirectional pattern reconfiguration is presented. The integration of mutual coupling principle with the parasitic techniques has realized the pattern reconfigurable features. The antenna structure consists of a driven element surrounded by four parasitic elements act as reflectors and director depending on the switching schemes. All parasitic elements is directly connected to the ground via shorting pins. Reconfiguration achieved using four PIN diode switches by experimentally investigating the effect of switching technique on overall steering performance. The proposed antenna achieves nine clear beam angular positions at □=0°, 0°, 45°, 90°, 135°, 180°, 225°, 270° and 315°. Moreover, the proposed antenna has achieved excellent gain levels at all reconfiguration scenarios with an average value 7 dBi. Regardless of the switching configurations, the proposed antenna has stable S11 between 2.36 GHz to 2.39 GHz application.
贴片天线的多向波束
提出了一种具有多向方向图重构能力的寄生平面贴片天线。将互耦合原理与寄生技术相结合,实现了模式的可重构特性。该天线结构由一个驱动元件和四个寄生元件组成,寄生元件根据不同的切换方式分别充当反射器和定向器。所有寄生元件都通过短脚直接连接到地面。通过实验研究开关技术对整体转向性能的影响,实现了四个PIN二极管开关的重构。该天线在□=0°、0°、45°、90°、135°、180°、225°、270°和315°处实现9个清晰波束角位置。此外,所提出的天线在所有重新配置场景下都取得了优异的增益水平,平均值为7 dBi。无论交换配置如何,所提出的天线在2.36 GHz到2.39 GHz之间具有稳定的S11应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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