Due to the great success and enormous impact of IP networks, In- ternet access (such as sending and receiving e-mails) and web brows- ing have become the ruling paradigm for next generation wireless systems. On the other hand, great technological and commercial success of services and applications is being witnessed in mobile wire- less communications with examples of cellular, pes voice telephony and wireless LANs. The service paradigm has thus shifted from the conventional voice service to seamlessly integrated high quality mul- timedia transmission over broadband wireless mobile networks....