Demo abstract -- Nemo: a high-fidelity noninvasive power meter system for wireless sensor networks

Authors:
Ruogu Zhou;Guoliang Xing
Affiliations:
Michigan State University, East Lansing, Michigan, USA;Michigan State University, East Lansing, Michigan, USA
Venue:
Proceedings of the 12th international conference on Information processing in sensor networks
Year:
2013

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Nemo: a high-fidelity noninvasive power meter system for wireless sensor networks

Proceedings of the 12th international conference on Information processing in sensor networks

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Abstract

This demo abstract presents the design and the demonstration plan of Nemo -- a practical in situ power metering system for wireless sensor networks. Nemo features a new circuit design called shunt resistor switch that can dynamically adjust the resistance of shunt resistors based on the current load. This allows Nemo to achieve a wide dynamic current range and high measurement accuracy. Nemo transmits real-time power measurement to the host node solely through the power line, by modulating the current load and the supply voltage. This feature leads to a noninvasive, plug & play design that allows Nemo to be easily installed on existing mote platforms without physical wiring or soldering. We describe the set-up of demonstration and outline our demonstration plan.