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首页> 外文期刊>Applied Computational Electromagnetics Society journal >Mutual Coupling Reduction in MIMO Patch Antenna Array Using Complementary Split Ring Resonators Defected Ground Structure
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Mutual Coupling Reduction in MIMO Patch Antenna Array Using Complementary Split Ring Resonators Defected Ground Structure

机译：使用互补裂环谐振器缺陷接地结构的MIMO贴片天线阵列相互耦合降低

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摘要

In this paper, complementary split ring resonators (CSRRs) defected ground structure (DGS) is introduced to suppress surface waves and to reduce the mutual coupling between E-plane coupled two elements of a microstrip patch MIMO antenna array. The CSRRsDGS is easily etched on the ground plane between the array elements. The CSRRs-based DGS acts as a bandstop filter between the array elements and operates in the same desired frequency band of the array at 9.2 GHz. Significant reduction of the electromagnetic (EM) mutual coupling is achieved between array elements with a reduced edge-to-edge spacing of 7.5 mm (0.22 lambda o). Experimental results show that more than 30 dB isolation between the array elements is obtained using an array of CSRR-based DGS. Moreover, the antenna array parameters are successfully optimized with a numerical experimentation technique using a 3D full-wave EM simulator. The design of the proposed array is fabricated and measured for verification purposes. The proposed design has been simulated and validated experimentally. Good agreement is found between the simulated and the measured data.
机译：在本文中，引入了互补裂环谐振器（CSRRs）缺陷接地结构（DGS），以抑制表面波并减少微带贴片MIMO天线阵列的E平面耦合两个元件之间的互耦合。 CSRRsDGS很容易在阵列元件之间的接地面上蚀刻。基于CSRRs的DGS充当阵列元件之间的带阻滤波器，并在9.2 GHz的相同期望频带内工作。阵列元素之间的电磁（EM）互耦合显着降低，边到边的间距减小了7.5毫米（0.22λo）。实验结果表明，使用基于CSRR的DGS阵列可以获得30 dB以上的隔离度。此外，使用3D全波EM模拟器通过数值实验技术成功优化了天线阵列参数。为了验证的目的，制造并测量了所提出的阵列的设计。拟议的设计已经过仿真和实验验证。在模拟数据和测量数据之间找到了很好的一致性。

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