Part 1 of Essay
? INTRODUCTION In the future, existing fixed networks will be complemented by mobile networks with similar numbers of users. These mobile users will have identical requirements and expectations to the fixed users, for on-demand applications of telecommunications requiring high bit-rate channels. It will be necessary for th ....

Part 2 of Essay
.... The aim of UMTS is to implement terminal mobility and personal mobility within its systems, providing a single world mobile standard. Outside Europe, UMTS is now known as International Mobile Telecommunications 2000 (IMT2000), which replaces its previous name of Future Public Land Mobile Telecommunication System (FPLMTS). [BUIT95] UMTS is envisaged as providing the infrastructure needed to support a wide range of multimedia digital services, or teleservices [CHEU94], requiring channel bit- rates of less th ....