Dynamic classified buffer control for QoS-aware packet scheduling in IEEE 802.16/WiMAX networks

Authors:
Jui-Chi Chen
Affiliations:
Department of Computer Science and Information Engineering, Asia University, Taichung, Taiwan, R.O.C.
Venue:
IEEE Communications Letters
Year:
2010

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Abstract

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 butTer. 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.