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WiMAX is a new technology that can provide long distance broadband wireless access based on IEEE 802.16 standards. After a short overview of IEEE 802.16 and the WiMAX network architecture, the paper center on the Quality of Service (QoS) support for multimedia applications in WiMAX. Inherent QoS support is an important factor differentiating WiMAX from other wireless access technologies, but so far has not been studied using off-the-shelf equipment. This gap is filled by empirically quantifying the performance of different multimedia applications and scheduling services in a WiMAX testbed. Specifically, the performance attained by multimedia applications over fixed WiMAX links, con-figured with Best Effort and Real Time Polling scheduling service classes is presented.
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