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首页> 外文期刊>Applied Computational Electromagnetics Society journal >Mutual Coupling Reduction of a MIMO Antenna Array Using 3-D Novel Meta-material Structures
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Mutual Coupling Reduction of a MIMO Antenna Array Using 3-D Novel Meta-material Structures

机译：使用3-D新型超材料结构的MIMO天线阵列相互耦合降低

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摘要

A 3-D metamaterial structure (3DMMS) is proposed and is used to reduce mutual coupling of a two-element 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.
机译：提出了3-D超材料结构（3DMMS），其用于减少两元件贴片天线阵列的相互耦合。 3DMMS由一个上部M形贴片和两个下部U形贴片组成，它们通过两个短路的引脚连接。拟议中的3DMMS在2.35-2.45 GHz频段具有负磁导率，其覆盖贴片天线阵列的工作频带，其边到边阵列元素距离为0.13 lambda（0）。五个设计好的3DMMS单元嵌入到两个天线元件之间的基板中，该天线与贴片天线的垂直距离为0.1mm。所建议的天线经过优化，制造和测量。结果表明，使用3DMMS可以减少约18 dB的互耦合，而不会影响工作带宽和辐射特性。

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