A Novel and Compact Circularly Polarized Antenna for 5G Wireless Local Area Network Application

IF 0.5 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Electrical Control and Communication Engineering Pub Date : 2020-01-01 DOI:10.2478/ecce-2020-0007

Swetha Ravikanti, L. Anjaneyulu

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引用次数: 3

Abstract

Abstract The research paper presents a novel and compact circularly polarized (CP) antenna for a 5G wireless local area network (WLAN) application. It consists of a circular patch and a coaxial probe feed radiator. Circular polarization (CP) is attained by symmetric semi-circular slits of radius r1 at three edges of a circular path with 90° in direction, and the other semicircular slit is of different radius r2. To improve the impedance bandwidth and axial ratio, the radius of the fourth semicircular slit on circular patch antenna is varied. The design is verified by fabricating a compact antenna of 0.65λ0 × 0.65λ0 × 0.01λ0. The measured 10 dB impedance bandwidth is 3.9 % (5.36–5.56 GHz), 3-dB axial ratio bandwidth is 1.1 % (5.43–5.49 GHz) and gain of 6.6 dBi at resonant frequency of 5.37 GHz is obtained. The authors also describe two-dimensional radiation patterns of azimuth and elevation plane surface current distribution of the CP patch, VSWR < 2. The proposed CP antenna is suitable for the 5G WLAN application. The proposed design is compared with various techniques in literature and tabulated. The measured results are also discussed and they are in good agreement with simulated results.

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一种适用于5G无线局域网的新型紧凑圆极化天线

摘要:针对5G无线局域网(WLAN)的应用，提出了一种新颖紧凑的圆极化(CP)天线。它由一个圆形贴片和一个同轴探头馈电散热器组成。圆偏振(CP)是通过在一个方向为90°的圆路径的三个边缘上对称的半径为r1的半圆狭缝和半径为不同r2的半圆狭缝来实现的。为了提高天线的阻抗带宽和轴比，改变了圆形贴片天线的第四个半圆狭缝的半径。通过制作0.65λ0 × 0.65λ0 × 0.01λ0的小型天线对设计进行了验证。测得的10 dB阻抗带宽为3.9% (5.36 ~ 5.56 GHz)， 3 dB轴比带宽为1.1% (5.43 ~ 5.49 GHz)，在5.37 GHz谐振频率下获得6.6 dBi增益。作者还描述了CP贴片的方位角和仰角平面表面电流分布的二维辐射方向图，VSWR < 2。所提出的CP天线适用于5G无线局域网应用。将所提出的设计与文献中的各种技术进行比较并制成表格。对实测结果进行了讨论，结果与模拟结果吻合较好。

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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来源期刊

Electrical Control and Communication Engineering ENGINEERING, ELECTRICAL & ELECTRONIC-

自引率

14.30%

发文量

审稿时长

12 weeks