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Random multi-access algorithms in networks with partial interaction: A mean field analysis
University of California, Berkeley, USA.
University of Ottawa, Canada.
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS. (Radio Communication Systems)
2007 (English)Conference paper (Refereed)
Abstract [en]

We consider a network with a fixed number of links whose transmitters are saturated and access a channel using a random back-off algorithm. Some of the links may be hidden in the sense that they do not interfere with all other links but rather with a subset of the links. Using mean field techniques, we analyze a variety of random back-off algorithms by explicit calculating the throughput of the links in such networks. We apply our results to analyze the performance of the exponential back-off algorithm in networks with partial interaction. The results are striking and confirm experimental results. Hidden transmitters that fail to sense collisions with other links unfairly grab too much bandwidth at the expense of transmitters that comply with the back-off rules. We believe the model can be used to develop new algorithms realizing an adequate trade-off between fairness and efficiency.

Place, publisher, year, edition, pages
Berlin, Heidelberg: Springer-Verlag , 2007. 779-790 p.
, Lecture Notes in Computer Science
National Category
Computer and Information Science
Research subject
URN: urn:nbn:se:kth:diva-30584DOI: 10.1007/978-3-540-72990-7_68ScopusID: 2-s2.0-38149133741OAI: diva2:400855
Managing Traffic Performance in Converged Networks
QC 20110303Available from: 2011-02-28 Created: 2011-02-28 Last updated: 2011-03-03Bibliographically approved

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Proutiere, Alexandre
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Communication Systems, CoS
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ReferencesLink to record
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