Study on Self-adaptive Packet Scheduling Algorithm of TD-LTE System’s Downward Frequency Domain

Round robin (RR) algorithm has best user fairness, but the system throughput is low, Max C/I algorithm has highest throughput, but poor fairness, Proportional fairness (PF) algorithm makes a compromise between throughput and fairness, but focuses on the average throughput fairness. This paper proposes a frequency domain scheduling algorithm for TD-LTE under different loads (light, medium, and heavy loads), which is called M-RR algorithm. Simulation results show that the algorithm emphasizes on fairness in terms of resource usage, and ensure the system throughput.