QoS Considerations on the Third Generation (3G) Wireless Systems

We are in the midst of explosive growth of mobile subscribers worldwide and the trend is contining. Traditional mobile applications are largely circuit-switched voice telephony. As the industry is moving toward third Generation (3G) wireless systems, new array of applications are becoming possible. The new proposed wide bandwidth technologies offer a variety of technical imporvements over existing multiple access method technologies (GSM, IS-136, IS-95, JDC). In the 3G networks not only voice traffic but also data and multimedia streams are offered. The new wireless applications can be: web browsing, file transfer, video conferencing, geolocation, smart-card applications, virtual-home environment, etc.,.