资料介绍
3GPP LTE-SAE Overview Sep063GPP Long-Term Evolution / System Architecture Evolution Overview
September 2006
Ulrich Barth
All rights reserved 2006, Alcatel
Outline
2
3G-LTE Introduction
Motivation Workplan Requirements
LTE air-interface LTE Architecture SAE Architecture
3GPP LTE/SAE Overview / Sept. 06 / U.Barth
All rights reserved 2006, Alcatel
3GPP Evolution
3
2G: 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 technologies
3G 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 interfaces
3GPP LTE/SA
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