Réseaux de Capteurs Sans Fil : Comment Fournir La Qualité de Service Tout En Economisant l'Energie ?

Ye-Qiong Song 1
1 MADYNES - Management of dynamic networks and services
Inria Nancy - Grand Est, LORIA - NSS - Department of Networks, Systems and Services
Abstract : For saving power, many WSN MAC protocols adopte duty-cycling (e.g., IEEE802.15.4 en mode beacon, S-MAC, T-MAC, B-MAC, X-MAC, WiseMAC, RI- MAC, ContikiMAC, etc.). If they are more or less efficient in terms of energy saving, they are not always efficient in terms of data throughput and delay, especially for carrying out burst traffic. Recent reserach effort moved to developing MAC protocols able to support not only low duty-cycle for light traffic, but also offer high throughput for heavy or burst traffic ((e.g., Strawman MAC,iQueue-MAC). In this paper, we first analyse the most popular duty-cycled MAC protocols in order to understand the fondamental impact of over-hearing, idle-listening, protocol overheads and collisions on the performance. Then we present iQueue-MAC that we have developed recently for offering self-adaptive duty-cycle through hybrid CSMA-TDMA. We also briefly address the multi-hop routing problems and present in particular SPEED and its extension with two-hop SPEED which take into account real-time constraint.
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Ye-Qiong Song. Réseaux de Capteurs Sans Fil : Comment Fournir La Qualité de Service Tout En Economisant l'Energie ?. Ecole d'été temps réel 2013, IRIT Toulouse, Aug 2013, Toulouse, France. ⟨hal-00905864⟩

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