Highly dynamic Destination-Sequenced Distance-Vector routing (DSDV) for mobile computers
SIGCOMM '94 Proceedings of the conference on Communications architectures, protocols and applications
Wireless sensor networks for habitat monitoring
WSNA '02 Proceedings of the 1st ACM international workshop on Wireless sensor networks and applications
Hardware design experiences in ZebraNet
SenSys '04 Proceedings of the 2nd international conference on Embedded networked sensor systems
Proceedings of the 3rd international conference on Embedded networked sensor systems
Wireless adhoc sensor and actuator networks on the farm
Proceedings of the 5th international conference on Information processing in sensor networks
Data compression algorithms for energy-constrained devices in delay tolerant networks
Proceedings of the 4th 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
Decentralized, adaptive resource allocation for sensor networks
NSDI'05 Proceedings of the 2nd conference on Symposium on Networked Systems Design & Implementation - Volume 2
An architecture for energy management in wireless sensor networks
ACM SIGBED Review - Special issue on the workshop on wireless sensor network architecture (April-2007)
LUSTER: wireless sensor network for environmental research
Proceedings of the 5th international conference on Embedded networked sensor systems
SensorScope: Out-of-the-Box Environmental Monitoring
IPSN '08 Proceedings of the 7th international conference on Information processing in sensor networks
Efficient Node Discovery in Mobile Wireless Sensor Networks
DCOSS '08 Proceedings of the 4th IEEE international conference on Distributed Computing in Sensor Systems
Autonomous monitoring of vulnerable habitats using a wireless sensor network
Proceedings of the workshop on Real-world wireless sensor networks
IP is dead, long live IP for wireless sensor networks
Proceedings of the 6th ACM conference on Embedded network sensor systems
Accurate, fast fall detection using posture and context information
Proceedings of the 6th ACM conference on Embedded network sensor systems
Making sensor networks IPv6 ready
Proceedings of the 6th ACM conference on Embedded network sensor systems
Deploying a Wireless Sensor Network in Iceland
GSN '09 Proceedings of the 3rd International Conference on GeoSensor Networks
PermaDAQ: A scientific instrument for precision sensing and data recovery in environmental extremes
IPSN '09 Proceedings of the 2009 International Conference on Information Processing in Sensor Networks
Reinforcement learning: a survey
Journal of Artificial Intelligence Research
Evolution and sustainability of a wildlife monitoring sensor network
Proceedings of the 8th ACM Conference on Embedded Networked Sensor Systems
CARNIVORE: a disruption-tolerant system for studying wildlife
EURASIP Journal on Wireless Communications and Networking - Special issue on opportunistic and delay tolerant networks
Mobility-based communication in wireless sensor networks
IEEE Communications Magazine
Reprogramming wireless sensor networks: challenges and approaches
IEEE Network: The Magazine of Global Internetworking
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The increasing adoption of wireless sensor network technology in a variety of applications, from agricultural to volcanic monitoring, has demonstrated their ability to gather data with unprecedented sensing capabilities and deliver it to a remote user. However, a key issue remains how to maintain these sensor network deployments over increasingly prolonged deployments. In this article, we present the challenges that were faced in maintaining continual operation of an automated wildlife monitoring system over a one-year period. This system analyzed the social colocation patterns of European badgers (Meles meles) residing in a dense woodland environment using a hybrid RFID-WSN approach. We describe the stages of the evolutionary development, from implementation, deployment, and testing, to various iterations of software optimization, followed by hardware enhancements, which in turn triggered the need for further software optimization. We highlight the main lessons learned: the need to factor in the maintenance costs while designing the system; to consider carefully software and hardware interactions; the importance of rapid prototyping for initial deployment (this was key to our success); and the need for continuous interaction with domain scientists which allows for unexpected optimizations.