IEEE Transactions on Parallel and Distributed Systems
Directed diffusion for wireless sensor networking
IEEE/ACM Transactions on Networking (TON)
Medium access control with coordinated adaptive sleeping for wireless sensor networks
IEEE/ACM Transactions on Networking (TON)
Simulating the power consumption of large-scale sensor network applications
SenSys '04 Proceedings of the 2nd international conference on Embedded networked sensor systems
GPS-Free node localization in mobile wireless sensor networks
MobiDE '06 Proceedings of the 5th ACM international workshop on Data engineering for wireless and mobile access
Lifetime Analysis in Heterogeneous Sensor Networks
DSD '06 Proceedings of the 9th EUROMICRO Conference on Digital System Design
Funneling-MAC: a localized, sink-oriented MAC for boosting fidelity in sensor networks
Proceedings of the 4th international conference on Embedded networked sensor systems
Accurate prediction of power consumption in sensor networks
EmNets '05 Proceedings of the 2nd IEEE workshop on Embedded Networked Sensors
A Survey of Fault Management in Wireless Sensor Networks
Journal of Network and Systems Management
The distinctive design characteristic of a wireless sensor network: the energy map
Computer Communications
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The resource-constrained nodes in wireless sensor networks (WSNs) are prone to failures, especially due to battery depletion. Well-defined effective metrics to identify the potential vulnerability in advance are essential for failure prevention. We propose a novel and advantageous metric called Battery Index to predict energy-vulnerable nodes at the very early stage of the network lifetime. Enabled by this metric, two proactive schemes are designed to prolong the lifetime of randomly deployed WSNs through dynamic routing and load balancing, and mobile robot-based node rescue, respectively. The proposed metric and schemes are validated through simulations employing realistic models, and numerical results show significant improvement in network lifetime (or usability) and resilience.