KALIN DIMITROV
FACULTY OF TELECOMMUNICATIONS, TECHNICAL UNIVERSITY OF SOFIA
BULGARIA
https://www.researchgate.net/profile/Kalin_Dimitrov
NEBOJŠA DONČOV
FACULTY OF ELECTRONIC ENGINEERING, UNIVERSITY OF NIŠ
SERBIA
https://www.researchgate.net/profile/Nebojsa_Doncov
CVETKO MITROVSKI
FACULTY OF TECHNICAL SCIENCES, UNIVERSITY ”ST. KL. OHRIDSKI”, BITOLA
MACEDONIA, THE FORMER YUGOSLAV REPUBLIC OF
https://www.researchgate.net/profile/Cvetko_Mitrovski