Mutual Coupling Reduction of a MIMO Antenna Array Using 3-D Novel Meta-material Structures

Authors

  • Kai Yu College of Information and Communication Engineering Harbin Engineering University, Harbin, 150001, China
  • Yingsong Li 1 College of Information and Communication Engineering Harbin Engineering University, Harbin, 150001, China,2 Key Laboratory of National Microwave Remote Sensing National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China
  • Xiaoguang Liu Electrical and Computer Engineering Department University of California, Davis, CA 95616, USA

Keywords:

Metamaterial structure, microstrip patch antenna array, mutual coupling reduction

Abstract

A 3-D metamaterial structure (3DMMS) is proposed and is used to reduce mutual coupling of a twoelement patch antenna array. The 3DMMS consists of an upper M-shaped patch and two lower U-shaped patches, which are connected by two shorted pins. The proposed 3DMMS has a negative permeability at 2.35-2.45 GHz band, which covers the operation band of the patch antenna array with an edge-to-edge array-element distance of 0.13 lambda 0. Five designed 3DMMS cells are embedded into the substrate between two antenna elements, which has a 0.1mm vertical distance to the patch antennas. The proposed antenna is optimized, fabricated and measured. The results show that about 18 dB mutual coupling reduction is achieved by using the 3DMMS without affecting the operating bandwidth and radiation characteristics.

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Published

2021-07-22

How to Cite

Kai Yu, Yingsong Li, & Xiaoguang Liu. (2021). Mutual Coupling Reduction of a MIMO Antenna Array Using 3-D Novel Meta-material Structures. The Applied Computational Electromagnetics Society Journal (ACES), 33(07), 758–763. Retrieved from https://journals.riverpublishers.com/index.php/ACES/article/view/9069

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