Research Article
Dynamic Rate and FEC Adaptation for Video Multicast in Multi-rate Wireless Networks
@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
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.
