Spatial fairness in linear random-access networks

P.M. Ven, van de, J.S.H. Leeuwaarden, van, T.J.J. Denteneer, A.J.E.M. Janssen

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Abstract

Random-access networks may exhibit severe unfairness in throughput, in the sense that some nodes receive consistently higher throughput than others. Recent studies show that this unfairness is due to local differences in the neighborhood structure: nodes with fewer neighbors receive better access. We study the unfairness in saturated linear networks, and adapt the random-access CSMA protocol to remove the unfairness completely, by choosing the activation rates of nodes as a specific function of the number of neighbors. We then investigate the consequences of this choice of activation rates on the network-average saturated throughput, and we show that these rates perform well in non-saturated settings.
Original languageEnglish
Place of PublicationEindhoven
PublisherEurandom
Number of pages21
Publication statusPublished - 2011

Publication series

NameReport Eurandom
Volume2011020
ISSN (Print)1389-2355

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Cite this

Ven, van de, P. M., Leeuwaarden, van, J. S. H., Denteneer, T. J. J., & Janssen, A. J. E. M. (2011). Spatial fairness in linear random-access networks. (Report Eurandom; Vol. 2011020). Eindhoven: Eurandom.