High Isolation With Fork-Shaped Stub In Compact UWB-MIMO Antenna Using CMA

2021 International Conference on Recent Trends on Electronics, Information, Communication & Technology (RTEICT) Pub Date : 2021-08-27 DOI:10.1109/RTEICT52294.2021.9574028

A. Suresh, T. Reddy

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引用次数: 3

Abstract

This paper proposes a compact, Fork Shaped stub to enhance the isolation between 2×2 MIMO antenna in Ultra- Wide Band. The overall size of the antenna is 28×20×1.6mm3. The proposed antenna was designed with Multiple-input -multiple-output (MIMO) and operated at a frequency of 5.1GHz for Wireless Communication. This MIMO having two antenna elements placed side by side to each other. A Fork shaped stub is placed in between two antenna elements to reduce mutual coupling. This Stub reduces the electromagnetic interferences in between MIMO elements and enhances the isolation. The proposed antenna was designed with Characteristic mode analysis for a better understanding of physical insight of structure. The dominant mode of the proposed antenna can find out easily with Characteristic Mode Analysis without applying the feed and excitation. The proposed antenna maintain good isolation more than 22dB entire UWB spectrum and Envelop correlation coefficient is (ECC)<0.15, VSWR<1.5, and diversity gain is 9.88888

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采用CMA的小型UWB-MIMO天线中带有叉形短段的高隔离

本文提出了一种紧凑的叉形存根，以提高超宽带2×2 MIMO天线之间的隔离性。天线的整体尺寸为28×20×1.6mm3。该天线采用多输入多输出(MIMO)设计，工作频率为5.1GHz，适用于无线通信。这种MIMO有两个天线单元并排放置在一起。叉形短段放置在两个天线元件之间以减少相互耦合。该Stub减少了MIMO元件之间的电磁干扰，提高了隔离度。为了更好地理解结构的物理洞察力，所提出的天线设计采用了特征模态分析。利用特征模态分析方法可以在不加馈源和激励的情况下很容易地找出天线的主导模态。该天线在整个UWB频谱22dB以上保持良好的隔离性，包络相关系数(ECC)<0.15，驻波比<1.5，分集增益为9.88888

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

2021 International Conference on Recent Trends on Electronics, Information, Communication & Technology (RTEICT)

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