Compact low profile UHF switched-beam antenna for advanced tyre monitoring systems

G. Lasser, L. Mayer, C. Mecklenbrauker
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引用次数: 5

Abstract

Advanced tyre monitoring systems are based on small sensor units directly embedded into the tyre rubber. In contrast to conventional tyre monitoring systems, more data like vibration information and slip angle are collected at this exposed position, so vehicular safety systems can be further improved. Powering of and communication with these sensor units, could be done with UHF radio frequency identification technology. In this contribution we propose a novel compact switched-beam antenna suitable for UHF frequencies. When mounted below the body floor pan of a vehicle, its directivity of 6 dB and the possibility to switch the main beam direction in 90? steps enables selection of a specific tyre for communication. Finally, we present measurements of the assembled antenna performed in an anechoic chamber.
用于先进轮胎监测系统的紧凑型低轮廓超高频开关波束天线
先进的轮胎监测系统是基于直接嵌入轮胎橡胶中的小型传感器单元。与传统的轮胎监测系统相比,在这个暴露位置可以收集到更多的振动信息和滑移角等数据,从而进一步改善车辆的安全系统。这些传感器单元的供电和通信可以通过超高频射频识别技术完成。在本文中,我们提出了一种适用于超高频频率的新型紧凑型开关波束天线。当安装在车身底板下方时,它的指向性为6db,并且可以在90?Steps允许选择用于通信的特定轮胎。最后,我们介绍了在消声室中进行的组装天线的测量。
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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