2018•Safety EngineeringOpen access
RADIO RELAY SYSTEM WITH TWO-SECTION PERFORMANCE IN THE PRESENCE OF NAKAGAMI-M FADING AND RICIAN CO-CHANNEL INTERFERENCE
Srđan Milosavljević, Dejan Milić, Bojana Milosavljević, Petar Spalević, Dragan Vučković
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Abstract
Wireless mobile relay communication system with two sections operating over short term fading channel in the presence of co-channel interference subjected to small scale fading has been considered. Desired signal experiences Nakagami-m fading and co- channel interference experiences Rician fading. Desired signal at output of the second section has Nakagami-m*Nakagami-m distribution. The signal-to-interference ratio of product of two Nakagami-m random variables and Rician random variable has been presented. In this paper, closed form expresions for moments of signal- to-interference ratio of considered system are calculated. The influence of Nakagami-m short term fading severity parameter and Rician κ factor on presence is analysed and discussed. Mobile relay communication system with two sections can lead to a more reliable and efficient transmission, which is of great importance in the risky environments. Key words: Nakagami-m fading, Rician fading, moment, mobile relay communications system
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