L4 - UMTS 1. The story of 3G 2. UTRA and the UTMS 3....

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon
SYSC 5403 - 4 Copyright © 1995-2009 by R.H.M. Hafez 1 UMTS UMTS 1. The story of 3G 2. UTRA and the UTMS 3. Release 99 4. Introduction to CDMA SYSC 5403 - 4 Copyright © 1995-2009 by R.H.M. Hafez 2 Brief History of 3G & UMTS Brief History of 3G & UMTS 1992 FPLMTS WRC'92 1997 WRC'97 Request for RTT Proposals IMT2000 New Names 1998 Proposals Evaluation Reports 1999 Harmonization Phase ITU 3GPP 3GPP2 OHG 2000 Approved Standards: -WCDMA -Cdma2000 -UWC-136 -…… 2001 Further Develop. -Air . .. -Networks -Services 3G 2003 UMTS Deployment 2002 ETSI /3GPP
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
SYSC 5403 - 4 Copyright © 1995-2009 by R.H.M. Hafez 3 The GPRS Network The GPRS Network Um TRAU BSC A MSC/VLR GMSC PSTN ISDN PDN X.25 V A S I N HW/SW Upgrade Gb SGSN GGSN PDN HLR/AuC/EIR GPRS = Generalized Packet Radio Service GPRS GPRS SYSC 5403 - 4 Copyright © 1995-2009 by R.H.M. Hafez 4 The The Universal Mobile Telecommunication System Universal Mobile Telecommunication System (UMTS) (UMTS) PS-Core Um BSC A 3GMSC/VLR GMSC PSTN ISDN PDN X.25 V A S CAMEL WAP MEXE USAT Gb 3GSGSN GGSN PDN HLR AuC/EIR CS-Core E-GPRS E-RAN Uu RNC UTRAN MS UE Iu Gb PDU New Access Network
Background image of page 2
SYSC 5403 - 4 Copyright © 1995-2009 by R.H.M. Hafez 5 New Features New Features ¾ New Radio Access Network (UTRAN) ¾ New Broadband Air Interface (WCDMA) ¾ New Radio Access Elements: RNC and Node B ¾ New Interfaces ¾ Upgraded Packet Switched Core ¾ 3G-SGSN ¾ New Interfaces ¾ Upgraded Circuit Switched Core ¾ 3G-MSC ¾ New Interfaces SYSC 5403 - 4 Copyright © 1995-2009 by R.H.M. Hafez 6 CDMA (New Air Interface) CDMA (New Air Interface) Frequency W-CDMA GSM/GPRS 5 MHz 200 kHz 8 users / channel High Capacity Variable # of users
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
SYSC 5403 - 4 Copyright © 1995-2009 by R.H.M. Hafez 7 New Radio Access Elements MS BSC TRAU RNC BTS Node-B GSM RAN WCDMA RAN (UTRAN) SYSC 5403 - 4 Copyright © 1995-2009 by R.H.M. Hafez 8 3G MSC 3G MSC GSM & WCDMA Call Control GSM & WCDMA Inter-working VLR Enhanced Mobility Management GSM WCDMA PSTN ISDN PDN X.25
Background image of page 4
SYSC 5403 - 4 Copyright © 1995-2009 by R.H.M. Hafez 9 3G 3G -SGSN SGSN To MSC To Enhanced HLR To RNC To 3G-GGSM Higher traffic-handling capacity To BSC/PCU Enhanced routing and mobility management Multiple Interfaces To Other 2G/3G SGSN SYSC 5403 - 4 Copyright © 1995-2009 by R.H.M. Hafez 10 From Release R99 to All IP From Release R99 to All IP 3GPP R99 3GPP R4 3GPP R5 UMTS 3G Future Releases ALL IP
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
SYSC 5403 - 4 Copyright © 1995-2009 by R.H.M. Hafez 11 data spreading code carrier spreading code data carrier W B B noise & interference Basics Basics Same Power Code Division Multiple Access SYSC 5403 - 4 Copyright © 1995-2009 by R.H.M. Hafez 12 A p r o x im a t e Data Spreading Code Spread Signal frequency E b = Energy per bit B = Information Bandwidth W = Transmission Bandwidth P G = Processing Gain =W/B W B G b P E b E Binary Simplified View of the Spreading Process Simplified View of the Spreading Process
Background image of page 6
SYSC 5403 - 4 Copyright © 1995-2009 by R.H.M. Hafez
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 8
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 01/25/2011 for the course SCE 5403 taught by Professor Hafez during the Spring '10 term at Carleton CA.

Page1 / 18

L4 - UMTS 1. The story of 3G 2. UTRA and the UTMS 3....

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online