High gain and enhanced isolation MIMO antenna with FSS and metasurface

被引：10

作者：

Singh, Akanksha ^{[1
]}

Kumar, Arvind ^{[1
]}

Kanaujia, Binod Kumar ^{[2
]}

机构：

[1] NIT Kurukshetra, Dept Elect & Commun Engn, Kurukshetra, India

[2] NIT Jalandhar, Dept Elect & Commun Engn, Jalandhar, India

来源：

OPTIK | 2023年 / 286卷

关键词：

MIMO; Frequency selective surfaces (FSS); IoT; Wi-Fi; Metasurface; DECOUPLING METHOD; REDUCTION; ARRAY; EBG;

D O I：

10.1016/j.ijleo.2023.170982

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This research work proposes a high gain MIMO antenna with improved isolation. The present antenna is low profile and contains four elements built with FR-4 substrate. This antenna uses a superstrate based metasurface to reduce the coupling between antenna elements and frequency selective surface (FSS) to improve the antenna gain. The suggested antenna is topped with a superstrate-based metasurface, which is positioned at a height of 15 mm below the antenna. FSS structure consists of a concentric circular ring on a single-layered FR4 substrate. The present MIMO antenna has operating band of 1.18-2.89 GHz with a peak gain of 8.44 dBi and isolation of less than -20 dB between each antenna element. This MIMO antenna provides maximum effi-ciency of 96% and 92.3% reduction in the correlation coefficient. Additionally, the current structure offers a diversity gain (DG) of 9.99 and an envelope correlation coefficient (ECC) of 0.01.

引用

页数：15

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