Radio Resource Optimization in LTE Networks

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Dr. Imre Sándor
Department of Networked Systems and Services

The fourth generation (4G) mobile technology is the next step in the progression of mobile telecommunication networks, in place of the 3G systems. In the past few years, decade the mobile broadband has changed our lives. The way of communication and the demand of the users had changed significantly. While in the past the simple voice call was the most popular form of mobile communication, nowadays such applications appeared, what need higher transfer rate and different quality parameters. From the fourth generation technologies the LTE (Long Term Evolution) dominates nowadays, what was standardized by 3GPP (3rd Generation Partnership Project). LTE is the key to satisfying the new applications’ and users’ needs. Expectedly, by the next few years the 80% of the mobile users will have mobile broadband subscription, what will have been served by 3G (UMTS, HSPA) and LTE systems.

In this thesis I give an overview on the basics of the fourth generation mobile technologies including the properties and operation of the LTE based systems. I present the most important technological parameters of the radio resource handling, and the handling methods. Based on these I make a simulation environment what is capable to test the resource handling methods. I examine the implemented handling methods according to various efficiency ratios. Based on the results I give a proposition of possible further development.


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