Broadband circular polarized antenna for mobile communication applications

O. P. Falade, Xiao-dong Chen, C. Parini
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引用次数: 2

Abstract

The design of a simple and compact broadband annular-ring slot circular polarized, slotted ground plane antenna, is presented. The antenna is fed by a single microstrip line place beneath the substrate. The circular polarized pattern has been achieved through the perturbation of the ring slots and proper optimization of the asymmetry stubs and the slotted ground plane. A better impedance bandwidth of about 1.23 GHz is achieved while the 3-dB axial ratio bandwidth of 984 MHz is obtained.
用于移动通信的宽带圆极化天线
提出了一种结构简单、结构紧凑的宽带环形环形槽型圆极化槽型地平面天线。天线由基板下面的一条微带线馈电。通过对环形槽的扰动和对不对称桩和槽形接平面的适当优化,实现了环形偏振方向图。在获得984 MHz的3db轴比带宽的同时,获得了1.23 GHz左右的阻抗带宽。
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