Authors : Deeksha, Saryu, Ajay.

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 Volume 3 Issue 6

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In past few years WiMAX(Worldwide Interoperability for Microwave Access) technology has become one of the most emerging wireless technology that provide us high speed mobile data and various telecommunication services. It provided different types of services such as data, voice and video and also guarantees the Quality of Service (QoS) at the MAC layer level. Scheduling in WiMAX become one of the most challenging issues which is the main component at the MAC layer since it is responsible for distributing all available resources of the network among different users. So it demand of designing and constructing high efficient scheduling algorithm in order to enhance the network performance by increasing throughput, decreasing delay and enhancing QoS. Many research proposals have been conducted for WiMAX scheduling and most of these proposals give attention for UL (Uplink) and Dl (Downlink) schedulers at the BS (Base Station). In this paper we have proposed a maximum Signal-to-Interference ratio (mSIR) algorithm with modification in order to enhance its performance, focusing on real time polling services (rpts) as well as non real time polling services (nrtps) class. We have implemented the mSIR algorithm and analyze the result by compare them with the previous results.
Keywords:- IEEE 802.16, WiMAX, MAC, QoS,Uplink Schedulers, Downlink Schedulers, rtps, nrtps, mSIR.