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Modeling and Worst-Case Dimensioning of Cluster-Tree Wireless Sensor Networks

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Modeling and Worst-Case Dimensioning of Cluster-Tree Wireless Sensor Networks
Time-sensitive Wireless Sensor Network (WSN) applications require finite delay bounds in critical situations. This paper provides a methodology for the modeling and the worst-case dimensioning of cluster-tree WSNs. We provide a fine model of the worst-case cluster-tree topology characterized by its depth, the maximum number of child routers and the maximum number of child nodes for each parent router. Using Network Calculus, we derive “plug-and-play” expressions for the endto-end delay bounds, buffering and bandwidth requirements as a function of the WSN cluster-tree characteristics and traffic specifications. The cluster-tree topology has been adopted by many cluster-based solutions for WSNs. We demonstrate how to apply our general results for dimensioning IEEE 802.15.4/Zigbee cluster-tree WSNs. We believe that this paper shows the fundamental performance limits of cluster-tree wireless sensor networks by the provision of a simple and effective methodology for the design of such ...
Anis Koubaa, Mário Alves, Eduardo Tovar
Added 12 Jun 2010
Updated 12 Jun 2010
Type Conference
Year 2006
Where RTSS
Authors Anis Koubaa, Mário Alves, Eduardo Tovar
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