Orthogonal Printed Microstrip Antenna Arrays for 5G Millimeter-Wave Applications.

Orthogonal Printed Microstrip Antenna Arrays for 5G Millimeter-Wave Applications.
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DOI:
10.3390/mi13010053
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发表时间:
2021-12-29
期刊:
影响因子:
3.4
通讯作者:
Latif SI
Latif SI
中科院分区:
工程技术3区
文献类型:
--
作者:
Hossain MM;Alam MJ;Latif SI

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本文介绍了一种用于5G毫米波应用的平面MIMO(多输入多输出)天线的设计,该天线由两组正交放置的1 × 12线性天线阵列组成。该阵列由探针馈电微带贴片天线单元在90 × 160 mm 2 Rogers RT/Duroid 5880接地介质基板上制成。该天线在以下5G频段内的S11 = −10 dB阻抗带宽:24.25-27.50 GHz。利用电磁仿真工具Ansys HFSS和CST Microwave Studio对天线的散射参数进行了计算,并通过样机的测量结果进行了验证。为了在距离宽边+/−45°的扫描范围内实现12 dBi或更高的增益,使用Dolph-Tschebyscheff激励加权和最佳间距。不同的天线参数,如相关系数,端口隔离度,以及2D和3D辐射方向图,进行了研究,以确定该天线的MIMO操作的有效性,这将是非常有用的毫米波手机应用在5G频段。
This article presents the design of a planar MIMO (Multiple Inputs Multiple Outputs) antenna comprised of two sets orthogonally placed 1 × 12 linear antenna arrays for 5G millimeter wave (mmWave) applications. The arrays are made of probe-fed microstrip patch antenna elements on a 90 × 160 mm2 Rogers RT/Duroid 5880 grounded dielectric substrate. The antenna demonstrates S11 = −10 dB impedance bandwidth in the following 5G frequency band: 24.25–27.50 GHz. The scattering parameters of the antenna were computed by electromagnetic simulation tools, Ansys HFSS and CST Microwave Studio, and were further verified by the measured results of a fabricated prototype. To achieve a gain of 12 dBi or better over a scanning range of +/−45° from broadside, the Dolph-Tschebyscheff excitation weighting and optimum spacing are used. Different antenna parameters, such as correlation coefficient, port isolation, and 2D and 3D radiation patterns, are investigated to determine the effectiveness of this antenna for MIMO operation, which will be very useful for mmWave cellphone applications in 5G bands.
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