LTE

All materials on our website are shared by users. If you have any questions about copyright issues, please report us to resolve them. We are always happy to assist you.
 34 views
of 123

Please download to get full document.

View again

Description
LTE
Share
Tags
Transcript
  Fundamentals of 3GPP Long Term Evolution (LTE)Radio Access Network (RAN) Lily Zhu, LTE Product ManagerQi Bi, Bell Labs Fellow  2| LTE Fundamentals | September 2008All Rights Reserved ©Alcatel-Lucent 2008 Outline of the Presentation  Introduction to LTE  History, Requirements, and Terminology  Fundamentals of the LTE Radio Access Network  OFDM basics  Downlink air interface structure  Uplink air interface structure  MIMO support  Scheduling and resource allocation principles  Duplexingmodes  Key features of intra-LTE handover  3| LTE Fundamentals | September 2008All Rights Reserved ©Alcatel-Lucent 2008 Standards Technology Evolution –Overview Note: ã Dates shownare standards completion dates (or expected completion dates.)ã“Initial VoIP”not as spectrally efficient as “Optimized VoIP”.ã“Mobility”indicates when each particular standard supports mobility inter-operability between the terminal and BTS. IEEE/WiMAX Forum   Rel-5(HSDPA)Rel-6 (HSUPA, MBMS)R-99(UMTS)IS-856 Rev B(MC, 64QAM) Rel-7 (EnhancedHSDPA) IS-1006-A(EBCMCS) 802.16e Wave1&2802.16 (WiMAX)802.16a802.16d16e Rev. 2Rel1.5 19992000200120022003200420052006200720082009 IS-1006(BCMCS) Rel-8(LTEDC HSPA) 3GPP23GPP   MobilityMobility Init.VoIP Opt.VoIP IS-856 Rev 0(1xEV-DO)IS-856 Rev A(Optimized UL & VoIP) Opt.VoIP UMB Rev. 0 (FDD)Rev. A (TDD)   IS-2000 (CDMA 2000 1x)   Mobility Init.VoIP Opt.VoIPOFDMOFDMOFDM 802.16m Rel2.0 Rel-9 (more LTEfeatures) OFDM IS-856 Rev C( MIMO/SDMA, DO Enhancements )1x-adv (IS-2000) 2010   eHRPDEPC Primarily TDD w/ FDD optionsPrimarily FDD w/ TDD options 2011 Rel-10(LTE-adv) Focus for this talk  4| LTE Fundamentals | September 2008All Rights Reserved ©Alcatel-Lucent 2008 3GPP Standards Evolution (Initial Plan) Release 99: WCDMA March 2000Release 5: HSDPA, IMS March 2002Release 6: HSUPA, MBMS March 2005Release 7: HSPA+ MIMO, HOM, CPC, network architecture Sept 2007 20102004200620002002 Release 8: HSPA+ reduced latency, multi-carrier 2008 2008 Kickoff in RAN LTE workshop Nov 2004LTE Feasibility Study initiated Dec 2004LTE Work Item created March 2006Release 8: LTE Stage 3 “complete”Dec 2007 UMTS/HSPA/HSPA+LTE 2 Mbps DL 384 kbps UL14.4 Mbps DL 384 kbps UL14.4 Mbps DL 5.76 Mbps UL28.8 Mbps DL 11.5 Mbps UL43.2 Mbps DL 11.5 Mbps UL
Related Search
We Need Your Support
Thank you for visiting our website and your interest in our free products and services. We are nonprofit website to share and download documents. To the running of this website, we need your help to support us.

Thanks to everyone for your continued support.

No, Thanks