Performance Comparison between Round Robin and Proportional Fair Scheduling Methods for LTE
Keywords:
SISO, transmit diversity, round robin, proportional fair, schedulingAbstract
In case of Long Term Evolution (LTE), the
scheduler in the MAC layer of the eNodeB allocates the
available radio resources among different UEs in a cell through proper handling of priority. The scheduling method used largely impacts the throughput of individual users as well as throughput of the cell. It is worthwhile to check on the throughput conditions for different scheduling scenarios before the actual deployment of LTE. This would help design the
algorithm of the scheduler at the eNodeB appropriately. In this paper, the throughput conditions are investigated for two of the most popular scheduling methods, Round Robin and Proportional Fair in order to demonstrate a good comparison for downlink transmission. The investigation is made for both
SISO and transmit diversity at various UE locations within a cell.
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