Abstract
Long Term Evolution (LTE) is designed to revolutionize mobile broadband technology with key considerations of higher data rate, improved power efficiency, low latency and better quality of service. This work analyzes the impact of resource scheduling algorithms on the performance of LTE (4G) and WCDMA (3G) networks. In this paper, a full illustration of LTE system is given together with different scheduling algorithms. Thereafter, 3G WCDMA and 4G LTE networks were simulated using Simulink simulator embedded in MATLAB and performance evaluations were carried out. The performance metrics used for the evaluations are average system throughput, packet delay, latency and allocation of fairness using Round Robin, Best CQI and Proportional fair Packet Scheduling Algorithms. The results of the evaluations on both networks were analysed. The results showed that 4G LTE network performs better than 3G WCDMA network in all the three scheduling algorithms used.
Highlights
A lot of people across the nation have adopted mobile broadband as their primary means of accessing Internet, voice communication, entertainment services and text messages
The results showed that 4G Long Term Evolution (LTE) network performs better than 3G WCDMA network in all the three scheduling algorithms used
Average System Throughput The results average throughput of 3G and 4G using different scheduling algorithms are as shown in Figure 3. 4G network has the highest throughput compared with that of 3G
Summary
A lot of people across the nation have adopted mobile broadband as their primary means of accessing Internet, voice communication, entertainment services and text messages. The demand for mobile broadband services increases every time. According to [1], Mobile broadband subscriptions reached over 1.4 billion in 2012. The International Telecommunications Union (ITU) has said the population of mobile broadband users across the world was expected to hit 4.3 billion at the end of 2017 from 3.2 billion it was in 2015 [2] [3].
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