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A Loaded Decoupling Surface Method for MIMO Antenna Arrays

delete2025-08-01
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PRE
AI
L
Lun Cui
Y
Yuheng Wang
S
Shi-Gang Zhou
C
Chow‐Yen‐Desmond Sim
DOI:10.1109/LAWP.2025.3568173delete
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摘要

摘要

En 中文
一种基于加载解耦表面(LDS)的多输入–多输出(MIMO)天线阵列解耦方法被提出。为抑制阵列单元间的直接电磁耦合,采用LDS产生抵消原始天线耦合的中和波。建立了网络模型以建立天线耦合与LDS之间的关系,从而能够准确确定LDS处的加载阻抗以实现最佳隔离。为验证所提出的解耦方法,提出了一种中心频率为4.85 GHz的2×2平面阵列,并进行了相应的理论研究。仿真和测量结果表明,在工作频带内,相邻和非相邻单元的耦合水平均被有效降低至低于−32.0 dB,表明所提出的LDS方法适用于MIMO应用。
Keyword:
Decoupling
decoupling surface
multiple-input–multiple-output (MIMO)
mutual coupling

期刊

IEEE Antennas and Wireless Propagation Letters 封面图
IEEE Antennas and Wireless Propagation Letters
IF:
4.8
论文数:
1.0W
被引数:
2.8W

机构

F
Feng Chia University
学者数:
3.5K
论文数: 3.7K
被引数: 2.6K
N
Northwestern Polytechnical University
学者数:
4.6W
论文数: 3.7W
被引数: 5.3W
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