6th International ICST Conference on Broadband Communications, Networks, and Systems

Research Article

Rate Adaptation Mechanism for Multimedia Multicasting in Wireless Networks

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  • @INPROCEEDINGS{10.4108/ICST.BROADNETS2009.7195,
        author={Kandaraj Piamrat and Adlen Ksentini and Jean-Marie Bonnin and C\^{e}sar Viho},
        title={Rate Adaptation Mechanism for Multimedia Multicasting in Wireless Networks},
        proceedings={6th International ICST Conference on Broadband Communications, Networks, and Systems},
        publisher={IEEE},
        proceedings_a={BROADNETS},
        year={2009},
        month={11},
        keywords={Rate Adaptation Multicast Video Streaming Wireless Networks Quality of Experience},
        doi={10.4108/ICST.BROADNETS2009.7195}
    }
    
  • Kandaraj Piamrat
    Adlen Ksentini
    Jean-Marie Bonnin
    César Viho
    Year: 2009
    Rate Adaptation Mechanism for Multimedia Multicasting in Wireless Networks
    BROADNETS
    IEEE
    DOI: 10.4108/ICST.BROADNETS2009.7195
Kandaraj Piamrat1,*, Adlen Ksentini2,*, Jean-Marie Bonnin3,*, César Viho2,*
  • 1: INRIA Rennes-Bretagne Atlantique, Campus Beaulieu 35042 Rennes, France
  • 2: IRISA/University of Rennes I, Campus Beaulieu 35042 Rennes, France
  • 3: Institut Telecom/Telecom Bretagne, CS-17607, 35576 Cesson-Sévigné, France
*Contact email: kandaraj.piamrat@inria.fr, alden.ksentini@irisa.fr, jm.bonnin@telecom-bretagne.eu, cesar.viho@irisa.fr

Abstract

Nowadays, wireless networks have been deploying everywhere, with IEEE 802.11 as the most popular standard. However, wireless resources are scarce and wireless condition varies often. These limitations are crucial for applications with tight QoS requirements such as video or voice over IP. To cope with the problems, the standard has provided many features including multi-rate capability, which is the focus of this paper. Multi-rate capability is beneficial especially for multicast transmission, in which the traffic sent by default at basic rate may result in capacity wasting because of longer channel occupancy. Moreover the lack of feedback mechanism makes it difficult to deal with reliability or service quality. Some protocols have proposed to use rate adaptation to handle the problems but none of them takes into account quality of experience (QoE), which is an essential quality indicator in multimedia traffic, for making decision. Therefore, we propose in this paper a novel rate-adaptation mechanism based on quality of experience. We make use of PSQA (Pseudo-Subjective Quality Assessment) tool for obtaining mean opinion score in real-time. Our objective is to improve bandwidth utilization while satisfying user experience. We illustrate significant performance improvement obtained by our scheme according to this goal.