利用电网的自然时间戳:演示摘要

Proceedings of the 16th ACM/IEEE International Conference on Information Processing in Sensor Networks Pub Date : 2017-04-18 DOI:10.1145/3055031.3055039

S. Viswanathan, Yang Li, Rui Tan

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引用次数: 0

摘要

电网频率的连续波动呈现出时间的指纹，我们称之为自然时间戳。这个现场演示演示了地理上分布在新加坡的四个有线电压传感器和四个无线电磁辐射(EMR)传感器获得的自然时间戳的准确性。电压传感器和EMR传感器分别捕获每个电压周期长度的微小波动和每50个电压周期的平均ENF。我们之前的研究[1,3]的评估表明，电压传感器和EMR传感器记录的自然时间戳分别给出亚毫秒和亚秒的平均时间误差。这个演示还将显示它们的时间误差。

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Natural timestamping using electrical power grid: demo abstract

The continuous fluctuation of electric network frequency (ENF) presents a fingerprint indicative of time, which we call natural timestamp. This live demo demonstrates the accuracy of the natural timestamps obtained by four wired voltage sensors and four wireless electromagnetic radiation (EMR) sensors that are geographically distributed in Singapore. The voltage sensors and the EMR sensors capture the minute fluctuations of the length of each voltage cycle and the average ENF over every 50 voltage cycles, respectively. The evaluation in our prior studies [1, 3] has shown that the natural timestamps recorded by the voltage sensors and the EMR sensors give sub-millisecond and sub-second average time errors, respectively. This demo will also show their time errors.

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Proceedings of the 16th ACM/IEEE International Conference on Information Processing in Sensor Networks

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