High Isolation 8⨯8 MIMO Antenna Design for 5G Sub-6 GHz Smartphone Applications

2020 International Conference on UK-China Emerging Technologies (UCET) Pub Date : 2020-08-01 DOI:10.1109/UCET51115.2020.9205450

Matthew Bridges, M. Khalily, M. Abedian, D. Serghiou, P. Xiao, R. Tafazolli

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引用次数: 3

Abstract

In this paper, an $8\times 8$ Multiple Input Multiple Output (MIMO) antenna design for Fifth Generation (5G) sub-6GHz smartphone applications is presented. The antenna elements are based off a folded quarter wavelength monopole that operate at 3.4-3.8GHz. Isolation between antenna elements is provided through physical distancing. The fabricated antenna prototype outer casing is made from Rogers R04003C with dimensions based on future 5G enabled phones. Measured results show an operating bandwidth of 3.32 to 3. $925\mathrm{G}\mathrm{H}\mathrm{z}(\mathrm{S}_{11}\lt$ -6dB) with a transmission coefficient $\lt_{-}14.7\mathrm{d}\mathrm{B}$. A high total efficiency for an antenna array is also obtained at 70-85.6%. The design is suitable for MIMO communications exhibited by an Envelope Correlation Coefficient (ECC) $\lt0.014$. To conclude a Specific Absorption Rate (SAR) model has been constructed and presented showing the user’s effects on the antenna’s S-parameter results. Measurements of the amount of power absorbed by the head and hand during operation have also been simulated.

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针对5G Sub-6 GHz智能手机应用的高隔离MIMO天线设计

本文提出了一种用于第五代(5G) sub-6GHz智能手机应用的$8\ × 8$多输入多输出(MIMO)天线设计。天线元件基于折叠的四分之一波长单极子，工作在3.4-3.8GHz。天线元件之间的隔离是通过物理距离实现的。预制天线原型外壳由罗杰斯R04003C制成，尺寸基于未来的5G手机。测量结果表明，工作带宽为3.32 ~ 3。$925\ mathm {G}\ mathm {H}\ mathm {z}(\ mathm {S}_{11}\lt$ - 6db)，传输系数$\lt_{-}14.7\ mathm {d}\ mathm {B}$。天线阵列的总效率也达到了70-85.6%。该设计适用于包络相关系数(ECC)为$\lt0.014$的MIMO通信。最后，建立了一个比吸收率(SAR)模型，并给出了用户对天线s参数结果的影响。在操作过程中，头部和手部所吸收的能量的测量也进行了模拟。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2020 International Conference on UK-China Emerging Technologies (UCET)

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