Performance Analysis of WiMAX Networks AC

Authors:
Jalel Ben Othman;Lynda Mokdad;Sahar Ghazal
Affiliations:
University of Paris 13, Villetaneuse, France 93430;University of Paris 12, Creteil, France 94010;University of Versailles, Versailles, France 78000
Venue:
Wireless Personal Communications: An International Journal
Year:
2014

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Abstract

In WiMAX networks, contention based bandwidth requests are allowed in the uplink channel on the time division duplexing frame. The standard allows some types of traffic classes to use this period while preventing others like Unsolicited Grant Service. In this study, we provide a performance analysis of the three types of connections (ertPS, non-real time Polling Service and Best Effort) that are allowed to contend for bandwidth request opportunities. The choice of these traffic classes covers both real and non-real traffic types. Two quality of service parameters; contention probability and average connection delay are investigated in order to evaluate the network performances. Different levels of priority and blocking probability are assigned to each class of service. This performance analysis has been done using an analytical model for evaluating admission control for the previous mentioned classes in WiMAX network.