A broadband dual-polarized antenna for 5G wireless communication systems

Q3 Physics and Astronomy Results in Optics Pub Date : 2024-03-17 DOI:10.1016/j.rio.2024.100659

N. Sathishkumar , Rajesh Natarajan , D. Divya , S. Divya

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Abstract

This article presents a broadband dual-polarized antenna for the 5G wireless communication technology. A ring resonator is chosen with the purpose of enhancing the axial ratio (AR) and impedance bandwidth. Partial ground plane is chosen with a slot placed beneath the feedline. The dimensions of the antenna are 50 mm × 50 mm × 1.6 mm, and it is fabricated on a dielectric substrate made of FR4 material. The variation of antenna polarization is achieved through the function of PIN diode. When the diode is in the ON state, the antenna functions as a wideband antenna that exhibits right hand circular polarization (RHCP). The frequency range covered by this system spans from 4.5 GHz to 7.5 GHz. Conversely, it provides linear polarization (LP) within a frequency range that spans from 4.3 GHz to 5.3 GHz. The metrics of the prototype antenna are measured and tested. The CST full wave simulator is utilized for conducting simulations.

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用于 5G 无线通信系统的宽带双极化天线

本文介绍了一种用于 5G 无线通信技术的宽带双极化天线。选用环形谐振器的目的是提高轴向比（AR）和阻抗带宽。在馈线下方选择了带槽的局部接地平面。天线尺寸为 50 mm × 50 mm × 1.6 mm，制作在 FR4 材料制成的介质基板上。天线极化的变化是通过 PIN 二极管的功能实现的。当二极管处于导通状态时，天线作为宽带天线工作，表现出右手圆极化（RHCP）。该系统覆盖的频率范围为 4.5 GHz 至 7.5 GHz。相反，它在 4.3 GHz 至 5.3 GHz 的频率范围内提供线性极化（LP）。对原型天线的指标进行了测量和测试。仿真时使用了 CST 全波仿真器。

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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