Plenary Lecture

Fading and Co-channel Interference as Nuisance Factors in Mobile Telecommunication Systems

Professor Dragana Krstic
Faculty of Electronic Engineering
University of Nis
Serbia
E-mail: dragana.krstic@elfak.ni.ac.rs

Abstract: Fading and co-channel interference are serious factors of obstruction of transmission in mobile telecommunication systems. Different methods are used to mitigate these influences and to improve system performance. One of them is macrodiversity system. It consists of a few microdiversity receivers. They work in shadowed multipath fading environment under co-channel interference, which suffers small scale fading and large scale fading. In interference limited environment, the ratio of desired signal envelope and interference is important performance measure. The signal to interference ratio (SIR) is need to be calculated for Gamma distributed shadowing and some of well known small scale fading distribution (Rayleigh, Rician, Nakagami-m, Weibull) or some of newer distributions (κ-µ, α-κ-µ, η-µ, ...) Probability density function (PDF) and cumulative distribution function (CDF) of output signals to interference ratios at macrodiversity receivers’ outputs are obtained in the closed forms. Then, the first and the second order system performance are determined by using different mathematical functions.

Brief Biography of the Speaker: Dragana S. Krstic was born in Pirot, Serbia. She received the BSc, MSc and PhD degrees in electrical engineering from Department of Telecommunications, Faculty of Electronic Engineering, University of Nis, Serbia, in 1990, 1998 and 2006, respectively. Her field of interest includes telecommunications theory, optical, wireless, mobile and satellite communication systems. She works at the Faculty of Electronic Engineering in Nis since 1990. She participated in more projects which are supported by Serbian Ministry of Science and some international projects. She has written or co-authored more than 250 papers, published in journals and at international/ national conferences. She has reviewed many articles in IEEE Transactions on Communications; IEEE Communications Letters; ETRI journal; C&EE Journal; Radioengineering, Elektronika ir Elektrotechnika and other well known journals. She is/ was reviewer of the papers for hundreds conferences and the member of technical program committees and international scientific committees of about 75 scientific conferences. Also, she is Associate Editor or member of Editorial Advisory Board/ Editorial Board of several journals: International WSEAS Transactions on Communications, International Journal of Communications, Journal on Advances in Telecommunications, International Journal of Communications (IARAS). She is IARIA Fellow.

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