5th International ICST Conference on Testbeds and Research Infrastructures for the Development of Networks and Communities

Research Article

Dynamic Rate and FEC Adaptation for Video Multicast in Multi-rate Wireless Networks

Cite
BibTeX Plain Text
  • @INPROCEEDINGS{10.1109/TRIDENTCOM.2009.4976231,
    author={Ozgu Ala and Caleb Li and Anurag Rai and Thanasis Korakis and Yao Wang and Shivendra Panwar},
    title={Dynamic Rate and FEC Adaptation for Video Multicast in Multi-rate Wireless Networks},
    proceedings={5th International ICST Conference on Testbeds and  Research Infrastructures for the Development of Networks and Communities},
    publisher={IEEE},
    proceedings_a={TRIDENTCOM},
    year={2009},
    month={5},
    keywords={IEEE 802.11b  forward error correction  rate adaptation  video multicast  wireless networks},
    doi={10.1109/TRIDENTCOM.2009.4976231}
}
  • Ozgu Ala
    Caleb Li
    Anurag Rai
    Thanasis Korakis
    Yao Wang
    Shivendra Panwar
    Year: 2009
    Dynamic Rate and FEC Adaptation for Video Multicast in Multi-rate Wireless Networks
    TRIDENTCOM
    IEEE
    DOI: 10.1109/TRIDENTCOM.2009.4976231
Ozgu Ala1,*, Caleb Li1,*, Anurag Rai2,*, Thanasis Korakis1,*, Yao Wang1,*, Shivendra Panwar1,*
  • 1: Dept. of Electrical and Computer Engineering, Polytechnic Institute of NYU, Brooklyn, NY
  • 2: Department of Computer Science and Engineering, Indian Institute of Technology Kanpur, India
*Contact email: [email protected], [email protected], [email protected], [email protected], [email protected], [email protected]

Abstract

Video multicast over Wireless Local Area Networks (WLANs) faces many challenges due to varying channel conditions and limited bandwidth. A promising solution to this problem is the use of packet level Forward Error Correction (FEC) mechanisms. However, the adjustment of the FEC rate is not a trivial issue due to the dynamic wireless environment. This decision becomes more complicated if we consider the multi-rate capability of the existing wireless LAN technology. In this paper, we propose a novel method which dynamically adapts the transmission rate and FEC for video multicast over multirate wireless networks. In order to evaluate the system experimentally, we implemented a prototype using open source drivers and socket programming. Our experimental results show that the proposed system significantly improves the multicast system performance.

Keywords
IEEE 802.11b forward error correction rate adaptation video multicast wireless networks
Published
2009-05-26
Publisher
IEEE
Modified
2010-05-16
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