Memory-based Compensation Model for Wireless Fair Scheduling Protocols

A. El-Nahas, A. Hamad, and T. Mostafa (Egypt)


Fair scheduling, Compensation models, Real-time flows, Wireless networks.


We propose a memory-based compensation model to enhance the performance of wireless fair scheduling protocols. Our main objective is to decrease the effect of user mobility on the quality of service of its active connections as he moves from cell to cell. The proposed model propagates the amount of compensation a user is eligible of, if any, from the old basestation to the new one. The modification proposed is applied to WFS algorithm, a known wireless scheduling protocol that has been proved to combine the various desired properties of wireless schedulers. Simulation experiments were conducted and results show an improvement in loss probability ranging from 20% to 40% depending on the flow’s deadline.

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