Bandwidth Estimation for IEEE 802.11-based Ad Hoc Networks

Cheikh Sarr 1 Claude Chaudet 2 Guillaume Chelius 1 Isabelle Guérin Lassous 3
1 ARES - Architectures of networks of services
Inria Grenoble - Rhône-Alpes, CITI - CITI Centre of Innovation in Telecommunications and Integration of services
3 RESO - Protocols and softwares for very high-performance network
Inria Grenoble - Rhône-Alpes, LIP - Laboratoire de l'Informatique du Parallélisme
Abstract : Since 2005, IEEE 802.11-based networks have been able to provide a certain level of quality of service (QoS) by the means of service differentiation, due to the IEEE 802.11e amendment. However, no mechanism or method has been standardized to accurately evaluate the amount of resources remaining on a given channel. Such an evaluation would, however, be a good asset for bandwidth-constrained applications. In multihop ad hoc networks, such evaluation becomes even more difficult. Consequently, despite the various contributions around this research topic, the estimation of the available bandwidth still represents one of the main issues in this field. In this paper, we propose an improved mechanism to estimate the available bandwidth in IEEE 802.11-based ad hoc networks. Through simulations, we compare the accuracy of the estimation we propose to the estimation performed by other state-of-the-art QoS protocols, BRuIT, AAC, and QoS-AODV.
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Cheikh Sarr, Claude Chaudet, Guillaume Chelius, Isabelle Guérin Lassous. Bandwidth Estimation for IEEE 802.11-based Ad Hoc Networks. IEEE Transactions on Mobile Computing, Institute of Electrical and Electronics Engineers, 2008, 7 (10), pp.1228-1241. ⟨10.1109/TMC.2008.41⟩. ⟨inria-00384832⟩

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