Low-Cost 3D printed Dielectric Hyperbolic Lens Antenna for Beam Focusing and Steering of a 79GHz MIMO Radar

2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting Pub Date : 2020-07-05 DOI:10.1109/IEEECONF35879.2020.9329969

H. Abedi, G. Shaker

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引用次数: 2

Abstract

Extensive research has been conducted on millimeter wave (mm-wave) chipset solutions led to reduction in size and cost while adding sensitivity and accuracy. Recent 79GHz chipset solutions using antenna-in package approach were developed for various applications with a wide beamwidth and low gain. However, for some applications such as multiple people vital sings detection and corridor gait monitoring, there is still a need to achieve higher gain with thinner beamwidth, to increase the signal-to-noise ratio (SNR) and the transmit/receive range of the system, mitigate the reflection from surrounding objects as well as reduce multi-path effects. The use of a lens is an appealing solution since it could improve the system performances while using existing chipset solution. Using low cost and rapid manufacturing 3D printing technology, we designed and fabricated a dielectric lens antenna for a 79GHz MIMO radar. Compared with the system without lens, the full-wave simulation demonstrated a 14dB improvement in gain which is in good agreement with measurement results.

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用于79GHz MIMO雷达波束聚焦和转向的低成本3D打印介质双曲透镜天线

对毫米波(mm-wave)芯片组解决方案进行了广泛的研究，减少了尺寸和成本，同时提高了灵敏度和准确性。最近使用天线内封装方法的79GHz芯片组解决方案用于各种宽波束宽度和低增益的应用。然而，对于一些应用，如多人生命体征检测和走廊步态监测，仍然需要以更薄的波束宽度实现更高的增益，提高系统的信噪比(SNR)和发射/接收范围，减轻周围物体的反射，减少多径效应。使用镜头是一个很有吸引力的解决方案，因为它可以在使用现有芯片组解决方案的情况下提高系统性能。采用低成本、快速制造的3D打印技术，设计制作了一种用于79GHz MIMO雷达的介质透镜天线。与无透镜系统相比，全波仿真显示增益提高了14dB，与测量结果吻合较好。

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 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting

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