Performance analysis of resource block preserver scheduling algorithm for the downlink in LTE networks

Long Term Evolution (LTE) is a breakthrough in broadband technology which aims to support several high level quality and real time multimedia services for the mobile users. This paper proposes a resource block preserver (RBP) scheduling algorithm which optimizes the performance of the downlink transmission system in LTE network. The resource block preserver algorithm has two layers, upper and lower. The upper layer of the RBP exploits the LTE frame concept which contains multiple numbers of sub-frames. The lower layer of the RBP algorithm adopts the concept of proportional fair (PF) algorithm to schedule the non real time (NRT) flows. While for the real time (RT) flows, different scheduler algorithm´s metrics are utilized. The simulation results show that the performance of the RBP scheduling algorithm has outperformed the non-RBP algorithm in terms of higher throughput and fairness when allocating their services.