QoS for wireless sensor networks: Enabling service differentiation at the MAC sub-layer using CoSenS

Bilel Nefzi 1 Ye-Qiong Song 1
1 TRIO - Real time and interoperability
INRIA Lorraine, LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications
Abstract : Providing service differentiation in wireless sensor networks while proposing simple and highly scalable solution is a challenging problem. We retain the use of CSMA/CA as access protocol because of its simplicity, versatility and good scalability properties. We developed CoSenS, a Collect then Send burst Scheme, on top of it to address its weaknesses while facilitating the implementation of scheduling policies. In this article, we propose a simple and scalable service differentiation solution; we implement fixed priority and earliest deadline first on top of CoSenS. The simulation analysis shows that our solution self-adapts to the traffic variation and greatly enhances end-to-end delay, reliability and deadline meet ratio for urgent traffic while not degrading best effort traffic compared to IEEE 802.15.4 original protocol and IEEE 802.15.4 implementing these scheduling policies. Additionally, CoSenS is implemented and tested on motes. The real experimentation results validated our simulation analysis.
Type de document :
Article dans une revue
Ad Hoc Networks, Elsevier, 2011
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https://hal.inria.fr/hal-00645512
Contributeur : Bilel Nefzi <>
Soumis le : lundi 28 novembre 2011 - 11:16:12
Dernière modification le : jeudi 11 janvier 2018 - 06:20:05

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  • HAL Id : hal-00645512, version 1

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Bilel Nefzi, Ye-Qiong Song. QoS for wireless sensor networks: Enabling service differentiation at the MAC sub-layer using CoSenS. Ad Hoc Networks, Elsevier, 2011. 〈hal-00645512〉

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