Networking

An Analytical Model for WiMAX Networks With Multiple Traffic Profiles and Throttling Policy

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Executive Summary

In this paper, the authors present a simple and accurate analytical model for performance evaluation of WiMAX networks with multiple traffic profiles. This very promising access technology has been designed to support numerous kinds of applications having different traffic characteristics. One of the QoS parameters considered by the standard for traffic classes is the Maximum Sustained Traffic Rate (MSTR), which is an upper bound for user throughput. Taking into account MSTR implies the implementation of a throttling scheduling policy that regulates the user peak rate. The authors' models take into account this policy and provide closed-form expressions giving all the required performance parameters for each traffic profile at a click speed.

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