A new ultra-wideband MIMO antenna based on metamaterials for 5G

2020 IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) Pub Date : 2020-12-07 DOI:10.1109/NEMO49486.2020.9343513

Yaqin Li, Shijie Huang, Liang Zhang, Xianliang Wu

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Abstract

An improved ultra-wideband low-coupling MIMO antenna based on a metamaterial periodic structure frequency-selective surface wide slot antenna is derived from the basic -shaped resonant ring.The antenna can be implemented without loading any parasitic branches low coupling and high gain, the relative bandwidth exceeds the international standard of ultra-wideband (20%),and at the same time uses metamaterials whose electromagnetic characteristics can be artificially changed as a medium,the element antennas are arranged in a 9 × 9 array and processed at 90° In order to achieve the goal of miniaturization,the structure is more compact The 37 GHz MIMO antenna with a structure size of 108 mm × 104 mm × 1 mm working in the 5G millimeter wave band is simulated.The results show that the peak gain of the unit antenna bandwidth is 10 dB,the impedance bandwidth is 21%, and the isolation is less than 20 dB. It meets the expected performance requirements of ultra-wideband, low coupling, miniaturization and other performances, and will have important applications in the area of 5G mobile communications.

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基于5G超材料的新型超宽带MIMO天线

基于基形谐振环，提出了一种基于超材料周期结构的改进型低耦合MIMO天线——频率选择表面宽缝隙天线。该天线可以在不加载任何寄生分支的情况下实现，低耦合和高增益。相对带宽超过超宽带(20%)的国际标准,同时利用超材料的电磁特性可以作为一个媒介,人为改变天线的元素排列在一个9×9的数组和加工90°为了实现小型化的目的,结构更紧凑的37个GHz MIMO天线结构尺寸为108毫米×104毫米×1毫米在5 g毫米波段工作的模拟。结果表明，单位天线带宽的峰值增益为10 dB，阻抗带宽为21%，隔离度小于20 dB。满足预期的超宽带、低耦合、小型化等性能要求，在5G移动通信领域将有重要应用。

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

2020 IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO)

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