Radiation Characteristics of Artificial Magneto-Dielectric Antenna Loaded with Split-Ring Resonator Array

IF 0.8 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Advanced Electromagnetics Pub Date : 2020-12-16 DOI:10.7716/aem.v9i3.1438

Y. G. Adhiyoga, C. Apriono, E. Rahardjo

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引用次数: 1

Abstract

This study proposes a simple artificial magneto-dielectric (MD) antenna with a split-ring resonator (SRR) loaded in an array configuration. This SRR element is used to realize the MD characteristic that is beneficial for antenna miniaturization. The simulation of material permittivity and permeability is conducted to ensure that the proposed SRR-array configuration has the expected MD characteristic. Configurations of SRR in arrays of 3×3, 5×5, 7×7, and 9 × 9 are realized to obtain its radiation characteristics when embedded in the antenna ground plane. A rectangular patch antenna is used in this study. Based on the simulation, the proposed antenna with an SRR array of 5×5 achieves excellent MD characteristics with high permittivity and permeability of 32.44 and 51.39, respectively. Furthermore, a microstrip antenna loaded with the SRR 5×5 arrays are fabricated on RT/duroid 5880 substrate. It has a dimension of 0.31λ0 × 0.26λ0. The simulation and measurement results of the proposed antenna show a fractional bandwidth of 4.79% and 5.2% at 1.5 GHz; and a maximum gain of 5.20 dB and 4.95 dB, respectively. Good agreement between the simulated and the measured results was achieved.

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分环谐振器阵列负载人工磁介质天线的辐射特性

本研究提出了一种简单的人工磁介质（MD）天线，该天线具有加载在阵列配置中的分裂环谐振器（SRR）。该SRR元件用于实现有利于天线小型化的MD特性。对材料的介电常数和磁导率进行了模拟，以确保所提出的SRR阵列配置具有预期的MD特性。实现了SRR在3×3、5×5、7×7和9×9阵列中的配置，以获得其嵌入天线地平面时的辐射特性。本研究采用矩形贴片天线。基于仿真，所提出的SRR阵列为5×5的天线实现了优异的MD特性，分别具有32.44和51.39的高介电常数和高磁导率。此外，在RT/duroid 5880衬底上制作了一个加载SRR5×5阵列的微带天线。其尺寸为0.31λ0×0.26λ0。仿真和测量结果表明，该天线在1.5GHz时的分带宽分别为4.79%和5.2%；最大增益分别为5.20dB和4.95dB。模拟结果与实测结果吻合良好。

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来源期刊

Advanced Electromagnetics ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

2.40

自引率

12.50%

发文量

审稿时长

10 weeks

期刊介绍： Advanced Electromagnetics, is electronic peer-reviewed open access journal that publishes original research articles as well as review articles in all areas of electromagnetic science and engineering. The aim of the journal is to become a premier open access source of high quality research that spans the entire broad field of electromagnetics from classic to quantum electrodynamics.