Adaptive Decoupling Using Tunable Metamaterials
Adaptive Decoupling Using Tunable Metamaterials
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DOI：
10.1109/tmtt.2016.2590385
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发表时间：
2016-07
影响因子：
4.3
通讯作者：
L. Zhang;Shaoqing Zhang;Z. Song;Yanhui Liu;L. Ye;Q. Liu
中科院分区：
文献类型：
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作者：
L. Zhang;Shaoqing Zhang;Z. Song;Yanhui Liu;L. Ye;Q. Liu
提出了一种基于可调谐超材料的解耦两个紧密放置的天线的新方法。实验结果表明，该方法具有大于110dB的隔离比、频率和带宽可重构能力以及环境适应性。这些功能是通过在近场区域内的两个天线之间放置多个基于变容二极管的可调谐谐振结构并使用人工智能算法优化天线之间的传输系数来实现的。给出了抑制两个正交偏振阵列之间互耦合的案例，证明了该方法的通用性。
A novel method of decoupling two closely placed antennas is proposed based on tunable metamaterials. The experimental results show that this method has more than 110-dB isolation ratio, frequency and bandwidth reconfigurable ability, and environmental adaptivity. These features are realized by placing multiple varactor-based tunable resonant structures between two antennas within the near-field region and by using artificial intelligent algorithm to optimize the transmission coefficient between the antennas. A case of suppressing mutual coupling between two orthogonally polarized arrays is given to demonstrate the versatility of this method.