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Erschienen in: Annals of Telecommunications 3-4/2012

01.04.2012

Dynamic bandwidth management in IEEE 802.11-based multihop wireless networks

verfasst von: Cheikh Sarr, Sofiane Khalfallah, Isabelle Guérin-Lassous

Erschienen in: Annals of Telecommunications | Ausgabe 3-4/2012

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Abstract

In this paper, we propose a new protocol named dynamic regulation of best-effort traffic (DRBT) which supports quality of service (QoS) throughput guarantees and provides a distributed regulation mechanism for best-effort traffic in multihop wireless networks. By adapting dynamically the rate of best-effort traffic at the link layer, DRBT increases the acceptance ratio of QoS flows and provides a good use of the remaining resources through the network. Our protocol also provides an accurate method to evaluate the available bandwidth in IEEE 802.11-based ad hoc networks which is able to differentiate QoS applications from best-effort traffic. Through extensive simulations, we compare the performance of our proposal scheme with some others protocols like QoS protocol for ad hoc real-time traffic for instance.

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Fußnoten
1
Note that the throughput regulation is applied at the LL level. Packets may be dropped because the application rate is higher than the rate applied at the LL level. Regulate the rate at the application layer would remove this packet loss but implies another cross-layer interaction that we decided to not consider in this study and to let to future work.
 
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Metadaten
Titel
Dynamic bandwidth management in IEEE 802.11-based multihop wireless networks
verfasst von
Cheikh Sarr
Sofiane Khalfallah
Isabelle Guérin-Lassous
Publikationsdatum
01.04.2012
Verlag
Springer-Verlag
Erschienen in
Annals of Telecommunications / Ausgabe 3-4/2012
Print ISSN: 0003-4347
Elektronische ISSN: 1958-9395
DOI
https://doi.org/10.1007/s12243-011-0263-x

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