A Cross Layer Scheduling Framework for Supporting Bursty Data Applications in WCDMA Networks

Authors:
Saied M. Abd El-Atty;Dimitrios N. Skoutas;Angelos N. Rouskas;George T. Karetsos
Affiliations:
Department of Information and Communication Systems Engineering, University of the Aegean, Karlovassi, Greece 83200;Department of Information and Communication Systems Engineering, University of the Aegean, Karlovassi, Greece 83200;Department of Information and Communication Systems Engineering, University of the Aegean, Karlovassi, Greece 83200;Department of Information Technology and Telecommunications, Technology Education Institute of Larissa, Larissa, Greece 41110
Venue:
Wireless Personal Communications: An International Journal
Year:
2008

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Abstract

In future wireless networks multimedia applications are expected to finally dominate the overall traffic volume. Shared channels are more suitable for the transmission of this type of traffic, as they are able to periodically adjust their transmission rate. In this paper, we introduce a cross-layer framework for WCDMA based networks which aims to make the packet scheduling procedure more efficient. In addition to that, we further propose a traffic scheduling scheme which serves the connections not only according to their delay sensitivity, but also according to the predicted state of their wireless channel. The efficiency of the proposed scheme, in terms of average packet delay and channel utilization is verified via simulations.