Abstract
WiMAX refers to Wireless Interoperable implementations of the IEEE 802.16 standards ratified by the WiMAX Forum has a main goal to deliver wireless communications with quality of service in a secured environment. The WiMAX MAC layer is designed to support different types of applications and services having different Quality of service (QoS) requirements. In addition of providing higher throughput and less delay, a scheduling algorithm should also take into account the WiMAX Qos classes and service requirements at MAC layer. Proper scheduling algorithm will enhance the date rate of all the QoS classes of IEEE 802.16e standard. The problem of the scheduler is that there is no standard algorithm that will satisfy all the QoS parameters of IEEE 802.16e standard. We aim to highlight a problem of real-time (UGS a rtPS) service class and provide a feasible solution to it by directing our focus towards the real-time classes. We propose a review of uplink scheduling algorithms proposed for WiMAX and the problems connected with it. The solution to the proposed problem is that we structure a Cross layered hybrid up-link algorithm. NS3 simulations will lead us with interesting results and thus enhance throughput and minimize delay and jitter.
Published Version
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