3GPP LTE-SAE Overview Sep063GPP Long-Term Evolution / System Architecture Evolution OverviewSeptember 2006Ulrich BarthAll rights reserved 2006, AlcatelOutline23G-LTE IntroductionMotivation Workplan RequirementsLTE air-interface LTE Architecture SAE Architecture3GPP LTE/SAE Overview / Sept. 06 / U.BarthAll rights reserved 2006, Alcatel3GPP Evolution32G: Started years ago with GSM: Mainly voice 2.5G: Adding Packet Services: GPRS, EDGE 3G: Adding 3G Air Interface: UMTS 3G Architecture:Support of 2G/2.5G and 3G Access Handover between GSM and UMTS technologies3G Extensions:HSDPA/HSUPA IP Multi Media Subsystem (IMS) Inter-working with WLAN (I-WLAN)Beyond 3G:Long Term Evolution (LTE) System Architecture Evolution (SAE) Adding Mobility towards I-WLAN and non-3GPP air interfaces3GPP LTE/SA……