UMTS is an umbrella term for the third generation radio technologies developed W-CDMA was specified in Release 99 and Release 4 of the specifications.
Mobility (soft, softer, hard handover). ? What changes in Rel’99 WCDMA when HSPA is introduced. ? All of the issues form a basis for HSPA and HSPA+ systems
1 Dec 2000 UMTS (Rel. ?99) incorporates enhanced GSM Phase 2+ Core Networks with GPRS and CAMEL. This enables network operators to enjoy theUTRAN (UMTS Terrestrial Radio Access Network) handles all radio related functionality RNC is largely maintains the UMTS Release ’99 functionality.
UMTS 3GPP – Learn UMTS in simple and easy steps starting from basic to advanced concepts with 3GPP releases are from Release 99 to Release 7.
3G Release 99 – See version 3 of ‘Technical Specifications and Technical 99 – See Versions of 3GPP TS 01.01; See a short video/tutorial about R99 features.
service: compatible with Global System for Mobile Communications (GSM), based on Universal Subscriber Identity
15 Jul 2002 In 1999 ETSI Standardisation finished for UMTS Phase 1 (Release ’99, version 3) and next release is due December 2001. UMTS History page
Figure 5-1 shows the UMTS architecture as specified in 3GPP Release 99. The system architecture is based on the enhanced GSM Phase 2+ core network with
Core network (GSM/GPRS-based). Radio access network. UTRAN. UE. Iu CS. Iur. Uu. PST. N. BS. RNC. MSC. VLR. GMSC. HLR. Iub. 3GPP Rel.’99 Network