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TMC
2010
13 years 7 months ago
2010
– While a lot of existing research attempts to extend the lifetime of a wireless sensor network (WSN) by designing energy efficient networking protocols, the impact of random dev...
INFOCOM
2010
IEEE
13 years 7 months ago
2010
IEEE
Abstract—We revisit the shortest path problem in asynchronous duty-cycled wireless sensor networks, which exhibit time-dependent features. We model the time-varying link cost and...
ICC
2008
IEEE
14 years 3 months ago
2008
IEEE
Abstract— The 802.15.4 WSN standard provides optional reliability through positive acknowledgments. Since positive-ACKs are not designed for energy efficiency, there is significa...
TMC
2010
13 years 7 months ago
2010
—Energy-efficiency is a central challenge in sensor networks, and the radio is a major contributor to overall energy node consumption. Current energy-efficient MAC protocols fo...
ICDCSW
2009
IEEE
14 years 3 months ago
2009
IEEE
—The number of active nodes in a WSN deployment governs both the longevity of the network and the accuracy of applications using the network’s data. As node hibernation techniq...