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Improvement of Multimedia Streaming using Estimation of Wireless losses

Kamal Deep Singh 1 David Ros 1 Laurent Toutain 1 César Viho 1
1 ARMOR - Architectures and network models
IRISA - Institut de Recherche en Informatique et Systèmes Aléatoires, INRIA Rennes, Ecole Nationale Supérieure des Télécommunications de Bretagne
Abstract : Many networked applications use end-to-end congestion control protocols to avoid the occurrence of congestion collapse phenomena. However, such transport protocols may suffer from link underutilization when there are wireless links along the path: the inability to distinguish wireless losses from congestion losses often results in unnecessary throughput decreases. Since networks are becoming increasingly heterogeneous, consisting of a mix of wired and wireless links, it is important to have some means of correctly identifying the cause of a packet loss, so as to adapt the response of the transport protocol. In this paper, we present an end-to-end solution to this problem and propose a novel method for Wireless Loss Estimation in IP DiffServ networks (WLED). WLED aims at enhancing the performance of equation-based rate control protocols for multimedia applications, by means of directly estimating the wireless and congestion loss rates. We discuss the integration of WLED with a recent, equation-based rate control protocol and we evaluate WLED's performance through simulation. Our results illustrate a new benefit of using DiffServ-like mechanisms for multimedia streaming in wireless networks.
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https://hal.inria.fr/inria-00070156
Contributor : Rapport de Recherche Inria Connect in order to contact the contributor
Submitted on : Friday, May 19, 2006 - 7:16:44 PM
Last modification on : Friday, February 4, 2022 - 3:21:39 AM
Long-term archiving on: : Sunday, April 4, 2010 - 8:20:47 PM

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  • HAL Id : inria-00070156, version 1

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Kamal Deep Singh, David Ros, Laurent Toutain, César Viho. Improvement of Multimedia Streaming using Estimation of Wireless losses. [Research Report] RR-5870, INRIA. 2006, pp.18. ⟨inria-00070156⟩

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