Opnet simulation of future cellular systems

Abstract

From the first generation wireless mobile communication systems that deployed analogue technology in the early eighties, to the subsequent second generation systems in nineties, which uses digital communication techniques and the third generation wireless systems that introduced recently in world markets, the rapid change in the wireless communication systems is evident. Advanced technology is used to increase system capacity to accommodate the increased in subscribers number and to enhance higher data rate to allow users to transmit and receive more information.