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Communication / Computation Trade-offs in Wireless Sensor Networks: Comparing Network-Level and Node-Level Strategies

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Date
2014
Author
Yildiz, Huseyin Ugur
Bıçakcı, Kemal
Tavlı, Bülent
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Abstract
In wireless sensor networks, nodes having limited battery resources convey data to an energy-unconstrained base station. The amount of data transmitted by a node usually depends on how much local processing is performed. In other words, more computation on a node means less communication with the base station and vice versa. Hence improving energy efficiency and prolonging the network lifetime requires a careful trade-off analysis. This analysis may be performed at a network-level or at a node-level. The latter is more fine-grained allowing different nodes to implement different solutions. In our work, we propose a novel mixed integer programming framework to model and optimize node-level strategies. Using this framework, we show that hybrid use of digital signature algorithms in a network could extend the lifetime up to 21.25% as compared to a network-level optimal strategy where all nodes use a single algorithm.
URI
https://ieeexplore.ieee.org/document/6825515
http://hdl.handle.net/20.500.11851/1952
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  • Bilgisayar Mühendisliği Bölümü / Department of Computer Engineering

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