Temperature MAC Plug-in for Large Scale WSN

Walid Bechkit 1 Yacine Challal 2, 3 Abdelmalik Bachir 4 Abdelmadjid Bouabdallah 3, 2
1 URBANET - Réseaux capillaires urbains
CITI - CITI Centre of Innovation in Telecommunications and Integration of services, Inria Grenoble - Rhône-Alpes
4 Drakkar
LIG - Laboratoire d'Informatique de Grenoble
Abstract : —The quality of radio communication links decreases with high temperatures. In this paper, we investigate the effect of temperature on percolation-based connectivity in large scale wireless sensor networks and show that more energy can be saved by allowing some nodes to go to deep sleep mode when temperature decreases and links improve. We determine a closed-form formula for a threshold network density λ * (τ) = C 0 πR(τ) 2 in function of temperature τ. Beyond λ * (τ), the network percolates and guarantees connectivity. Based on this result, we propose a simple yet efficient Temperature-Aware MAC plugin (TA-MAC) that enables the underlying MAC protocol to dynamically adapt the network effective density to allow further energy savings while maintaining network connectivity. TA-MAC can be potentially used with any wireless MAC protocol. We carried out simulations and demonstrated that BMAC and SCP-MAC augmented with TA-MAC plugin allow a significant energy efficiency improvement.
Type de document :
Communication dans un congrès
ICC 2015 - IEEE International Conference on Communications, Jun 2015, London, United Kingdom. 2015
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Dernière modification le : mercredi 29 novembre 2017 - 09:21:36
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Walid Bechkit, Yacine Challal, Abdelmalik Bachir, Abdelmadjid Bouabdallah. Temperature MAC Plug-in for Large Scale WSN. ICC 2015 - IEEE International Conference on Communications, Jun 2015, London, United Kingdom. 2015. 〈hal-01149317〉

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