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In this paper, we investigate the design of an optical wireless sensor network using laser beam reflection and optical wireless technology deployed on train to monitor and analyze the vibration patterns caused by the train motion on the rails it is using. Our architecture is based on measuring efficiently the train structure intrinsic vibration as well as the vibration due to the interaction between...
This paper proposes all-optical wireless sensor network architecture based on visible light communication (VLC) and free space optics (FSO) technologies which targets the monitoring of railways health state to ensure the security of trains traffic. To this purpose, we design a technique for detecting rails vibration using light-based sensor nodes. The detection includes an estimation of the amplitude...
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