The Performance Enhancement of Triple-band Vivaldi Antenna using SIW Structure for IIoT applications

IF 0.8 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Advanced Electromagnetics Pub Date : 2022-10-30 DOI:10.7716/aem.v11i4.2010

T. Nguyen, T. Duong, D. Pham

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Abstract

The Industrial Internet of Things (IIoT) is a domain between IoT and Industry 4.0 that brings an evolution in automation and data exchange. Multiband and the wideband antenna are an important part to support high-rate IoT/IIoT communication through the wireless systems. In this study, we optimized a Vivaldi antenna for triple-band operation at well-known IIoT bands without adding any slot or extra structure. The antenna gets a large bandwidth of over 8%, 12%, and 19% at 2.4GHz, 4GHz, and 5.6GHz resonant frequencies, respectively. To improve several antenna characteristics such as resistance matching, gain, and radiation efficiency, an L shape symmetric Substrate Integrated Waveguide (SIW) structure is proposed. At the 5.6 GHz band, the SIW antenna achieves over 25% increase in radiation efficiency that reaches 99% although FR4 substrate is chosen to design the antenna. The proposed Vivaldi antenna is analyzed using CST simulation and measured using VNA equipment with an agree well result. Besides, we also set up a reality wireless system to test the antenna at two important IIoT bands: 2.4GHz and 5GHz.

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IIoT应用中使用SIW结构的三频Vivaldi天线的性能增强

工业物联网(IIoT)是物联网和工业4.0之间的一个领域，它带来了自动化和数据交换的演变。多频段和宽带天线是通过无线系统支持高速IoT/IIoT通信的重要组成部分。在本研究中，我们在不增加任何插槽或额外结构的情况下，优化了Vivaldi天线，使其能够在众所周知的IIoT频段上运行三频段。在2.4GHz、4GHz和5.6GHz的谐振频率下，天线的带宽分别超过8%、12%和19%。为了提高天线的电阻匹配、增益和辐射效率等特性，提出了一种L形对称基板集成波导结构。在5.6 GHz频段，SIW天线采用FR4基片设计，但辐射效率提高25%以上，达到99%。采用CST仿真对所提出的Vivaldi天线进行了分析，并采用VNA设备对其进行了测量，得到了较好的结果。此外，我们还建立了一个现实无线系统，在两个重要的IIoT频段:2.4GHz和5GHz测试天线。

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

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.