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Dynamic Classified Buffer Control for QoS-Aware Packet Scheduling in IEEE 802.16/WiMAX Networks

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1 Author(s)
Jui-Chi Chen ; Dept. of Comput. Sci., Inf. Eng., Asia Univ., Taichung, Taiwan

WiMAX is an advanced broadband wireless access technology that supports multimedia transmission. Here we propose a batch-arrival queueing model for evaluating WiMAX QoS-aware packet scheduling systems and obtaining packet loss rate (PLR), queueing delay (QD), and bandwidth utilization (BU) performance measures. These are used to solve a utilization optimization problem associated with QoS constraints. Specifically, a given traffic statistic and maximum PLR and QD constraints were applied to optimize BU for a classified packet-scheduling buffer. It is the writer's hope that operators can apply the model to dynamically control classified buffer size and to enhance profit tied to QoS constraints.

Published in:

Communications Letters, IEEE  (Volume:14 ,  Issue: 9 )

Date of Publication:

September 2010

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