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2012 (Vol. 4, Issue: 10)
Article Information:

Modified Priority Algorithm for Mobile WiMAX Uplink Scheduler

D. Mohd Ali, K. Dimyati, K.A. Noordin and Azlina Idris
Corresponding Author:  D. Mohd Ali 

Key words:  Mobile WiMAX, modified priority algorithm, QoS, scheduling algorithm, threshold, uplink, scheduler
Vol. 4 , (10): 1310-1313
Submitted Accepted Published
December 10, 2011 January 08, 2012 May 15, 2012

In this note, we propose a modified priority algorithm for the uplink scheduler of Mobile WiMAX. The proposed algorithm guarantees the delay property of the real-time traffic by imposing a threshold to the bandwidth request messages of the non real-time Polling Service (nrtPS). Each service class is serviced exhaustively (until empty) to overcome on the starving of lower priority service class which is the Best Effort (BE). The threshold value can be adjusted according to the load demand of the networks. Simulation results, found at the end of this study show that the proposed algorithm is fairer and delivers higher throughput of the BE service class.
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  Cite this Reference:
D. Mohd Ali, K. Dimyati, K.A. Noordin and Azlina Idris, 2012. Modified Priority Algorithm for Mobile WiMAX Uplink Scheduler.  Research Journal of Applied Sciences, Engineering and Technology, 4(10): 1310-1313.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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