Sub 10µW wake-up-receiver based indoor/outdoor asset tracking system

J. Robert, Thomas Lindner, H. Milosiu
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引用次数: 10

Abstract

Localization and asset tracking are key components of the Internet of Things or the fourth industrial revolution called “Industry 4.0”. Current systems using GPS signals cannot be used indoors. Alternative systems for indoor localization exist, but they cannot be battery power with tiny batteries over multiple years. To overcome these drawbacks we propose a new localization concept based on an ultra-low-power wake-up receiver. With a power consumption of less than 10μW the tags mounted on the assets are able to operate for multiple years using tiny coin type batteries. Nevertheless, out system concept can achieve an accuracy down to the sub-meter range. This goal is reached by means of beacon based field strength localization for the indoor environment, and angle-of-arrival estimation for the outdoor environment. An additional benefit of our wake-up receiver concept is the overall low latency.
基于10µW唤醒接收器的室内/室外资产跟踪系统
定位和资产跟踪是物联网或被称为“工业4.0”的第四次工业革命的关键组成部分。目前使用GPS信号的系统不能在室内使用。室内定位的替代系统是存在的,但它们不能是使用多年的微型电池的电池供电。为了克服这些缺点,我们提出了一种基于超低功耗唤醒接收器的定位概念。安装在资产上的标签的功耗低于10μW,可以使用微型硬币型电池运行多年。然而,我们的系统概念可以达到精确到亚米的范围。在室内环境下采用基于信标的场强定位,在室外环境下采用到达角估计。我们的唤醒接收器概念的另一个好处是整体低延迟。
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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