Analiza poboljšanja performansi prenosa relejnih sistema sa aspekta primene diverziti tehnika kombinovanja

Abstract

In this dissertation the performance of wireless relay signal transmission in the presence of general types of interference is considered, as well as the possibility of improving the performance in the observed environment using the techniques of combining combinations. It has been studied to reduce the influence of various types of interference, such as co-channel interference, fast fading, and shadow effect on relay signal transmission through wireless communication channels. A special emphasis is placed on the study of general models of fading, which as special cases contain other simplicity of fading models. The achieved performance improvement of the system is considered in the function of the parameters of the observed systems for which the optimal values are determined. In order to improve the performance of the wireless signal transmission system in the presence of various types of interruptions, new methods of combining diversion techniques in the relay and on the receiving side. During the application of the diversification of combining techniques, there has been a significant improvement in the performance of the wireless relay signal transmission, and hence the lower probability of failure of the system.