An upper bound on multi-hop wireless network performance


Coenen, Tom and Graaf, Maurits de and Boucherie, Richard J. (2007) An upper bound on multi-hop wireless network performance. In: International Teletraffic Congress, ITC20, 17-21 June 2007, Ottawa, Canada (pp. pp. 335-347).

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Abstract:Given a placement of wireless nodes in space and a traffic demand between pairs of nodes, can these traffic demands be supported by the resulting network? A key issue for answering this question is wireless interference between neighbouring nodes including self interference along multi-hop paths. This paper presents a generic model for sustainable network load in a multi-hop wireless network under interference constraints, and recasts this model into a multicommodity flow problem with interference constraints. Using Farkas’ Lemma, we obtain a necessary and sufficient condition for feasibility of this multicommodity flow problem, leading to a tight upper bound on network throughput. Our results are illustrated by examples.
Item Type:Conference or Workshop Item
Copyright:© 2007 Springer
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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