Quality of Service performance measures in Long Term Evaluation using scheduling algorithm

Abstract

The long term evolution (LTE) initiated to achieve high throughput environment, high network capacity and reduce the cost per bit. The aim of the project is to realizing Quality of service requirement and optimizing system performance of LTE by using scheduling as a key for radio recourse management mechanism by investigated and study three of the downlink scheduling algorithms used in LTE system, Best-Channel Quality Indicator, Round Robin and proportional fair. Optimized MATLAB simulator had been used to evaluate the throughput and delay of the three algorithms. The result show that the best (CQI) is the best with respect to QoS due to the detection of best channel also the delay time and the throughput are discrete, in round robin algorithm it was found that each user will spend a time on the system according to arriving time, the delay is proportional to data size and the throughput is also discrete and in the proportional fair algorithm all users has the same throughput and delay time.