A Quadrilateral Shaped Fractal Slot Planar Antenna for Ultra-Wide Band Applications

Q3 Engineering

Australian Journal of Electrical and Electronics Engineering Pub Date : 2022-01-07 DOI:10.1080/1448837X.2021.2024317

Ranjeet Kumar, R. Sinha, A. Choubey, S. K. Mahto

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引用次数: 3

Abstract

ABSTRACT This paper presents a low-profile quadrilateral-shaped fractal slot planar antenna using a novel fractal geometry where circular, triangular and regular hexagonal motifs are iterated to form antenna elements. It consists of a partial ground plane and a triangular fractal-shaped patch fed by a microstrip line having an I-shape rectangular slot to increase the bandwidth. A compact 32 × 22 mm2 fractal antenna proposed here is investigated to evaluate its performance in ultra-wideband (UWB) applications. The bandwidth of 15.5 GHz ranging from 3.57 GHz to 19.07 GHz with voltage standing wave ratio (VSWR) less than 2 in the entire operating band is achieved. Simulated values of realisable gain (6.8 dBi), impedance bandwidth (15.5 GHz), radiation efficiency (90%), radiation patterns and group delay evaluation indicate that the discussed antenna is favourable for UWB applications such as world interoperability microwave access, wireless local area network, 5 G, X-band, C-band, S-band and Ku-band. The proposed antenna is fabricated, and measured results are compared with simulated results as well as with those reported in the literature.

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一种用于超宽带的四边形分形槽平面天线

摘要:本文提出了一种低轮廓四边形分形槽平面天线，该天线采用一种新颖的分形几何，其中圆形、三角形和正六边形图案迭代形成天线单元。它由部分地平面和三角形分形贴片组成，贴片由具有i形矩形槽的微带线馈电以增加带宽。本文研究了一种小型的32 × 22 mm2分形天线，以评估其在超宽带(UWB)应用中的性能。在3.57 GHz ~ 19.07 GHz范围内实现15.5 GHz的带宽，整个工作频带电压驻波比小于2。可实现增益(6.8 dBi)、阻抗带宽(15.5 GHz)、辐射效率(90%)、辐射方向图和群延迟评估的模拟值表明，该天线适用于超宽带应用，如世界互操作性微波接入、无线局域网、5g、x波段、c波段、s波段和ku波段。制作了该天线，并将测量结果与仿真结果以及文献报道的结果进行了比较。

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

Australian Journal of Electrical and Electronics Engineering Engineering-Electrical and Electronic Engineering

CiteScore

2.30

自引率

0.00%

发文量

期刊介绍： Engineers Australia journal and conference papers.