Modeling and Performance Evaluation of Scheduling Algorithms For Downlink LTE cellular Network

Long Term Evolution is standardized by the 3rd Generation Partnership Project to have wider channels up to 20MHz, with low latency and packet optimized radio access technology. The peak data rate envisaged for LTE is 100 Mbps in downlink and 50 Mbps in the uplink. The 3GPP has chosen the OFDMA as the radio access technology due to his simple implementation in receiver and spectral efficiency. To enhance system’s data rate and ensure quality of service, the Radio Resource Management Scheduling Mechanisms plays a very crucial components to guarantee the Quality of Service performance for different services. In this paper we modeled and evaluated the performance of Round Robin, Proportional Fairness and Max Rate scheduling algorithms. The performances are compared in term in throughput and fairness index for this scheduler. KeywordsScheduling; Fairness; Max Rate; Ressource Block.