Traffic Engineering and QoS Control Between Wireless DiffServ Domains Using PQ and LLQ

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Executive Summary

Numerous recent studies have proven that traffic patterns generated by multimedia services are different from traditional poisson traffic. It has been shown that multimedia network traffic exhibits Long-Range Dependency (LRD) and self-similar characteristics. The area of wireless IP traffic modeling in terms of providing assured QoS to the end-user is still immature and the majority of existing work is merely based on characterization of the wireless IP traffic without investigating the behavior of queueing systems under such traffic conditions.

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