A Study for Providing Better Quality of Service to VoIP Users

Authors:
Y. Bai;M. R. Ito
Affiliations:
University of British Columbia, Vancouver, BC V6T 1Z4, Canada;University of British Columbia, Vancouver, BC V6T 1Z4, Canada
Venue:
AINA '06 Proceedings of the 20th International Conference on Advanced Information Networking and Applications - Volume 01
Year:
2006

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Abstract

VoIP applications have grown rapidly and continue to enjoy exponential growth due to largely reduced cost and wider range of advanced services, as compared to traditional telephone network., however, they face many technical challenges. One of major challenges is the provision of Quality of Service. Presently, VoIP quality is not as good as achieved in traditional telephone networks due to the data loss and delay in IP networks. In this paper, a perceptual quality-driven scheduling scheme is proposed. Simulation experiments results show that it significantly increases the quality of voice traffic transmission over IP network yielding QoS satisfaction both for VoIP users and service providers.