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Mutual coupling reduction of multiple antenna systems
A multi-band multi-antenna system has become an important trend in the development of mobile communication systems. However, strong mutual coupling tends to occur between antenna elements with a small space, distorting array antennas’ performance. Therefore, in the multiple-input multiple-output (MI...
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Published in: | Frontiers of information technology & electronic engineering 2020-03, Vol.21 (3), p.366-376 |
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creator | Guo, Jia-yin Liu, Feng Jing, Guo-dong Zhao, Lu-yu Yin, Ying-zeng Huang, Guan-long |
description | A multi-band multi-antenna system has become an important trend in the development of mobile communication systems. However, strong mutual coupling tends to occur between antenna elements with a small space, distorting array antennas’ performance. Therefore, in the multiple-input multiple-output (MIMO) antenna system, high isolation based on miniaturization of the antenna array has been pursued. We study in depth the methods of decoupling between antenna elements. Reasons for the existence of mutual coupling and advantages of mutual coupling reduction are analyzed. Then the decoupling methods proposed in recent works are compared and analyzed. Finally, we propose a metasurface consisting of double-layer short wires, which can be applied to improve the port isolation of antennas arranged along the H-plane and E-plane. Results show that the proposed metasurface has good decoupling effect on a closely placed antenna array. |
doi_str_mv | 10.1631/FITEE.1900490 |
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However, strong mutual coupling tends to occur between antenna elements with a small space, distorting array antennas’ performance. Therefore, in the multiple-input multiple-output (MIMO) antenna system, high isolation based on miniaturization of the antenna array has been pursued. We study in depth the methods of decoupling between antenna elements. Reasons for the existence of mutual coupling and advantages of mutual coupling reduction are analyzed. Then the decoupling methods proposed in recent works are compared and analyzed. Finally, we propose a metasurface consisting of double-layer short wires, which can be applied to improve the port isolation of antennas arranged along the H-plane and E-plane. 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subjects | Antenna arrays Antennas Arrays Bandwidths Communication Communications Engineering Computer Hardware Computer Science Computer Systems Organization and Communication Networks Decoupling method Electrical Engineering Electronics and Microelectronics Energy Engineering Instrumentation Metasurfaces Methods Mobile communication systems Mutual coupling Networks Radiation Reduction Review Trends |
title | Mutual coupling reduction of multiple antenna systems |
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