An analytical model for WiMAX networks with multiple traffic profiles and throttling policy

  • Authors:
  • Sebastien Doirieux;Bruno Baynat;Masood Maqbool;Mareeau Coupeehoux

  • Affiliations:
  • Université Pierre et Marie Curie, Paris, France;Université Pierre et Marie Curie, Paris, France;TELECOM ParisTeeh & CNRS LTCI, Paris, France;TELECOM ParisTeeh & CNRS LTCI, Paris, France

  • Venue:
  • WiOPT'09 Proceedings of the 7th international conference on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks
  • Year:
  • 2009

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Abstract

In this paper, we present a sim pIe 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 maxim urn 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. Our models take into account this policy and provides closed-form expressions giving all the required performance parameters for each traffic profile at a click speed. The model is compared with extensive simulations that show its accuracy and robustness.