Wireless sensor networks for habitat monitoring
WSNA '02 Proceedings of the 1st ACM international workshop on Wireless sensor networks and applications
Taming the underlying challenges of reliable multihop routing in sensor networks
Proceedings of the 1st international conference on Embedded networked sensor systems
Contiki - A Lightweight and Flexible Operating System for Tiny Networked Sensors
LCN '04 Proceedings of the 29th Annual IEEE International Conference on Local Computer Networks
ScatterWeb - Low Power Sensor Nodes and Energy Aware Routing
HICSS '05 Proceedings of the Proceedings of the 38th Annual Hawaii International Conference on System Sciences - Volume 09
A line in the sand: a wireless sensor network for target detection, classification, and tracking
Computer Networks: The International Journal of Computer and Telecommunications Networking - Special issue: Military communications systems and technologies
Full TCP/IP for 8-bit architectures
Proceedings of the 1st international conference on Mobile systems, applications and services
Proceedings of the 3rd international conference on Embedded networked sensor systems
Z-MAC: a hybrid MAC for wireless sensor networks
Proceedings of the 3rd international conference on Embedded networked sensor systems
X-MAC: a short preamble MAC protocol for duty-cycled wireless sensor networks
Proceedings of the 4th international conference on Embedded networked sensor systems
Fidelity and yield in a volcano monitoring sensor network
OSDI '06 Proceedings of the 7th USENIX Symposium on Operating Systems Design and Implementation - Volume 7
Software-based on-line energy estimation for sensor nodes
Proceedings of the 4th workshop on Embedded networked sensors
LCN '07 Proceedings of the 32nd IEEE Conference on Local Computer Networks
Murphy loves potatoes: experiences from a pilot sensor network deployment in precision agriculture
IPDPS'06 Proceedings of the 20th international conference on Parallel and distributed processing
The design space of wireless sensor networks
IEEE Wireless Communications
Detailed diagnosis of performance anomalies in sensornets
Proceedings of the 6th Workshop on Hot Topics in Embedded Networked Sensors
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Despite sensor network protocols being self-configuring, sensor network deployments continue to fail. We report our experience from two recently deployed IP-based multi-hop sensor networks: one in-door surveillance network in a factory complex and a combined out-door and in-door surveillance network. Our experiences highlight that adaptive protocols alone are not sufficient, but that an approach to self-monitoring and self-configuration that covers more aspects than protocol adaptation is needed. Based on our experiences, we design and implement an architecture for self-monitoring of sensor nodes. We show that the self-monitoring architecture detects and prevents the problems with false alarms encountered in our deployments. The architecture also detects software bugs by monitoring actual and expected duty-cycle of key components of the sensor node. We show that the energy-monitoring architecture detects bugs that cause the radio chip to be active longer than expected.