$2imes 2$ square and close-packed four Substrate Integrated Waveguide (SIW) slot-'/> Low-Profile Broadband MIMO Antenna for 5G Mobile Communication
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Low-Profile Broadband MIMO Antenna for 5G Mobile Communication

机译：用于5G移动通信的低调宽带MIMO天线

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In this paper, a $2imes 2$ square and close-packed four Substrate Integrated Waveguide (SIW) slot-element multiple-I/P and multiple-O/P (MIMO) antenna is designed and simulated. The proposed design is built on the extremely promising SIW technology. The basic single element of the complete design is an SIW cavity slot antenna. Each element of four element MIMO antenna is placed in a 90° shifted orientation. So that, the four rectangle cavities having unblocked boundaries are designed. These elements are structured next to each other without sharing any row of metallic posts. Then, a radiating rectangular slot is made on each element that has been placed on top layer. All these four slots are excited by using coaxial input ports. The four antenna elements with close-packed dimensions are created and these antennas will emit electromagnetic wave via cavity side edges and etched slots. To improve the antenna isolation, slot length and width may be adjusted through these interconnected elements. The proposed $2imes 2$ element MIMO antenna system shows the ansys HFSS, which has simulated radiation behavior from 27.6 GHz to 34.8 GHz with an input reflection coefficient (S11) less than −10dB. The port input reflation coefficient (S11) is as minimum as −30dB by having peak antenna gain of 4.9 dBi with an efficiency of 90.4%. The small and efficient size along with effective isolation design creates the planned smart design for real-world applications.
机译：在本文中，一个 $ 2 times 2 $ 设计和模拟方形和近距离填充四个基板集成波导（SIW）槽元件多I / P和多O / P（MIMO）天线。建议的设计建立在极具前途的SIW技术上。完整设计的基本单个元素是SIW腔槽天线。四个元素MIMO天线的每个元件以90°移动的方向放置。因此，设计了具有未阻止边界的四个矩形腔。这些元件在不共享任何行的金属柱的情况下彼此构造。然后，在放置在顶层上的每个元件上制造辐射矩形槽。所有这四个插槽都是通过使用同轴输入端口激励。创建具有近距离堆叠尺寸的四个天线元件，并且这些天线将通过腔侧边缘和蚀刻槽发出电磁波。为了改善天线隔离，可以通过这些互连的元件调节槽长度和宽度。提议 $ 2 times 2 $ 元素MIMO天线系统显示ANSYS HFSS，其具有从27.6 GHz到34.8 GHz的模拟辐射行为，输入反射系数 11 ）小于-10dB。端口输入反射系数（s 11 ）通过峰值天线增益为4.9 dBi，效率为90.4％，低至-30dB。小型且有效的尺寸以及有效的隔离设计为现实应用程序创造了计划的智能设计。

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