Towards Dependable Home Networking: An Experience Report
DSN '00 Proceedings of the 2000 International Conference on Dependable Systems and Networks (formerly FTCS-30 and DCCA-8)
Simulating the power consumption of large-scale sensor network applications
SenSys '04 Proceedings of the 2nd international conference on Embedded networked sensor systems
An analysis of a large scale habitat monitoring application
SenSys '04 Proceedings of the 2nd international conference on Embedded networked sensor systems
Micro power meter for energy monitoring of wireless sensor networks at scale
Proceedings of the 6th international conference on Information processing in sensor networks
An architecture for energy management in wireless sensor networks
ACM SIGBED Review - Special issue on the workshop on wireless sensor network architecture (April-2007)
Energy Metering for Free: Augmenting Switching Regulators for Real-Time Monitoring
IPSN '08 Proceedings of the 7th international conference on Information processing in sensor networks
The Energy Endoscope: Real-Time Detailed Energy Accounting for Wireless Sensor Nodes
IPSN '08 Proceedings of the 7th international conference on Information processing in sensor networks
Proceedings of the workshop on Real-world wireless sensor networks
Sentomist: Unveiling Transient Sensor Network Bugs via Symptom Mining
ICDCS '10 Proceedings of the 2010 IEEE 30th International Conference on Distributed Computing Systems
Quanto: tracking energy in networked embedded systems
OSDI'08 Proceedings of the 8th USENIX conference on Operating systems design and implementation
Design and Implementation of Fully-Integrated Inductive DC-DC Converters in Standard CMOS
Design and Implementation of Fully-Integrated Inductive DC-DC Converters in Standard CMOS
Hardware-assisted energy monitoring architecture for micro sensor nodes
Journal of Systems Architecture: the EUROMICRO Journal
Demo abstract -- Nemo: a high-fidelity noninvasive power meter system for wireless sensor networks
Proceedings of the 12th international conference on Information processing in sensor networks
Hi-index | 0.00 |
In this paper, we present the design and implementation 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 measurements 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 have implemented a prototype of Nemo and conducted extensive experimental evaluation. Our results show that Nemo can transmit high-throughput measurement data to the host through voltage/current load modulation. Moreover, it has satisfactory measurement fidelity over a wide range of operating conditions. In particular, Nemo yields a dynamic measurement range of 250,000:1, which is 2.5X and 7X that of two state-of-the-art sensor network power meter systems, while only incurring an average measurement error of 1.34%. We also use a case study to demonstrate that Nemo is able to track the highly dynamic sleep current consumption of TelosB motes, which has important implications for the design of low duty-cycle sensor networks that operate in dynamic environments.