Overview of UMTS system

UMTS is the third generation system promoted by ETSI and provides vital link between today's multiple GSM systems and the ultimate single worldwide system for all mobile telecommunications, International Mobile Telecommunications-2000 (IMT-2000). It is also referred to as wideband code division multiple access (W-CDMA) and is one of the most significant advances to the evolution of telecommunications into 3G networks. It will address the the growing demands of the mobile and Internet applications in the overcrowded mobile communications sky. It will increase the network speeds to 2Mbps per mobile user and establishes a global roaming standard.