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Značaj i izuzetno brz razvoj telekomunikacija nameće neprekidno izučavanje i primenu novih servisa i novih postupaka integracije i komutacije u njemu. Od komercijalnih radio-servisa koji su trenutno dostupni u našoj zemlji, najveći deo je iz sistema javne mobilne telefonije. U radu je prikazana organizacija i način funkcioniranja mobilnog komutacionog sistema i njegovo mesto i značaj u sistemu veze Srbije. Detaljno je obrađen WiMAX (World Interoperability for Microwave Access) servis mobilne telefonije i analizirane njegove prednosti i nedostaci u odnosu na mobilni servis 3G (treće generacije). Predložena je implementacija WiMAX-a u savremen sistem telekomunikacija. / The importance and very quick development of telecommunications ask for endless research and applying new services and new methods of integration and switching in it. Among commercial radio services that are at the moment accessible in our state, the most significant pan is from public mobile telephony system. In this work we presented organization and way of functioning of mobile switching system and their place and importance in Serbian system of communications. WiMAX service of mobile telephony is processed in details and advantages and disadvantages versus 3G mobile service are analyzed. The suggestion of implementation of WiMAX in modern system of telecommunications is given

The comparison of characteristics and opportunities of future service in microwave band and mobile systems third generation