The prevalence of WiFi devices and ubiquitous coverage of WiFi networks provide us the opportunity to extend WiFi capabilities beyond communication, particularly in sensing the physical environment. In this paper, we survey the evolution of WiFi sensing systems utilizing commodity devices over the past decade. It groups WiFi sensing systems into three main categories: activity recognition (large-scale and small-scale), object sensing, and localization. We highlight the milestone work in each category and the underline techniques they adopted. Next, this work presents the challenges faced by existing WiFi sensing systems. Lastly, we comprehensively discuss the future trending of commodity WiFi sensing.
翻译：无线网络装置的普及和无线网络的无线网络的普及为我们提供了将无线网络能力扩大到通信之外的机会,特别是在感测物理环境方面。在本文件中,我们调查了过去十年来利用商品装置的无线网络遥感系统的演变情况。它将无线网络遥感系统分为三大类:活动识别(大规模和小规模)、物体感测和本地化。我们强调了每一类的里程碑式工作以及它们所采用的突出技术。接着,这项工作介绍了现有无线网络遥感系统面临的挑战。最后,我们全面讨论了商品无线网络感测的未来趋势。
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