Adaptive and reliable video transmission over UMTS for enhanced performance: Research Articles

Authors:
Antonios Alexiou;Dimitrios Antonellis;Christos Bouras
Affiliations:
Research Academic Computer Technology Institute, Greece and Computer Engineering and Informatics Department, University of Patras, Greece;Research Academic Computer Technology Institute, Greece and Computer Engineering and Informatics Department, University of Patras, Greece;Research Academic Computer Technology Institute, Greece and Computer Engineering and Informatics Department, University of Patras, Greece
Venue:
International Journal of Communication Systems
Year:
2007

Citing 0
Cited 4

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Abstract

This paper proposes a mechanism for the congestion control for video transmission over universal mobile telecommunications system (UMTS). Our scheme is applied when the mobile user experiences real-time multimedia content and adopts the theory of a widely accepted rate control method in wired networks, namely equation-based rate control. In this approach, the transmission rate of the multimedia data is determined as a function of the packet loss rate, the round trip time and the packet size and the server explicitly adjusts its sending rate as a function of these parameters. Furthermore, we examine the performance of the UMTS for real-time video transmission using real-time protocols. Through a number of experiments, we measure performance parameters such as end-to-end delay, delay in radio access network, delay jitter and throughput in the wireless link. Copyright © 2006 John Wiley & Sons, Ltd.