An enhanced packet scheduling algorithm for qos support in IEEE 802.16 wireless network

Authors:
Yanlei Shang;Shiduan Cheng
Affiliations:
The State Key Lab of Networking and Switching, Beijing University of Posts and Telecommunications, Beijing, P.R. China;The State Key Lab of Networking and Switching, Beijing University of Posts and Telecommunications, Beijing, P.R. China
Venue:
ICCNMC'05 Proceedings of the Third international conference on Networking and Mobile Computing
Year:
2005

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Abstract

In this paper, a novel hierarchical packet scheduling model for IEEE 802.16 uplink is proposed based on J. Bennett & H. Zhang scheduling model [1]. The soft-QoS traffics introduced in this new model together with hard-QoS and best-effort traffics are scheduled by the Base Station (BS). The model can distribute bandwidth reasonably between the QoS and the best-effort traffics. It also guarantees the validness and fairness among the QoS traffics. We give the analytical delay comparison between two models and evaluate the performance by simulations.