Evolution from GSM to UMTS (IMT-2000)*

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1 Evolution from GSM to UMTS (IMT-2000)* MARIO BAUMGARTEN Siemens Ltda ICN Sao Paulo - BRAZIL * This presentation is a draft submitted by the author and the final version will be available at: itu.int/itu-t/ T/worksem/imt2000/program.html 1

2 Some Major Mobile Industry Trends Internet 2.5G / 3G General! More than 1 billion mobile users by 2003! Every second 5 new GSM subscriptions! Mobile overtakes fixed by 2003! Data services will start with GPRS! UMTS will start with business customers! Increase of growth by 2005 due to availability of applications! 50 % of mobile users will use mobile internet by 2010 Mobile Office Simple infoservices Internet (Access + Surfing) Mobile Data Applications Telemetry Payments Games Telematics Location dependent Infoservices , Fax, Voice, Mail Onlinebanking Source: INRA-Telcobus, ISM-Survey, Siemens Analysis 2

3 Tomorrows Mobile Traffic will Exceed Expectations Challenges on Radio Access Solutions Number of subscription (users and machines) Type of application (voice... multimedia) Requires efficient and intelligent use of resources Demand on bandwidth Limited Spectrum 3

4 Tomorrow s Services Require High Data Rates... Bandwidth Demand of Different Service Types Provided service 2 Video conferencing Video telephony Teleshopping Electronic newspaper Images / sound files 3 Telebanking Financial services GDatabase access Information services Voice 10 kbps 100 kbps 1 Mbps 10 Mbps G Our Radio Access Solutions will deliver seamless services from narrowband to broadband and will support flexible bandwidth on demand up to 2 Mb/s 4

5 Network Evolution Towards 3G Classic GSM GSM 1st step towards 3G 3G solutions HSCSD EDGE/GERAN GPRS and beyond IP UTRAN FDD UTRAN TDD??? TD-SCDMA 5

6 The main road towards UMTS goes though GPRS Edge might be used as complement in areas without UMTS coverage Functionality & capability Circuit data <9.6kbps HSCSD 57.6kbps GPRS 115kbps EDGE 384kbps UMTS 2 Mbps

7 From GSM to UMTS " GPRS as phase 0 for UMTS " Start of IP backbone " ATM based platform " GPRS opens mass market for data applications " Converging platform (HW + SW) for GSM, GPRS, UMTS " ease of operability and maintainability " saving of investment by using installed base 7

8 Cost Efficient Migration to GPRS Operator Benefits # Reuse of installed base of Radio Equipment # Cost Efficient # Fast time to market and # Full coverage with GPRS according to GSM # Scalable according to number of subscriber and data volume demand Installed Base of GSM Radio Equipment GPRS Switching + = Components New GPRS Business 8

9 GPRS is a Key Element to Removing Barriers to Mobile Data Usage GSM GPRS No capability Mobile extension of corporate/intranet/internet applications, mobility trend Value-added services Too complicated Too expensive Too slow Emerging standards: WAP, Java, PDA, Smart Phones Efficient transmission, Volume-dependent charging Channel combining Enhanced coding schemes True plug and play Reasonable costs High speed WAP: Wireless Access Protocol PDA: Personal Data Assistant 9

10 GPRS Satisfies Mobile Data Applications Requirements Requirements GPRS provides Suitability Sufficient Bandwidth # Up to 100 kbps Packet-oriented IP Technology Access to Internet Reasonable Tariffs Server Integration Services # GSN for Transfer of IP # IP at Gi-Interface # IP in GPRS Backbone # Transparent and Non-Transparent Access # Volume-dependent Charging # Gi-Interface # SMS over GPRS Perfect Suitable Less suitable 10

11 GPRS: Improved GSM Data Services HIGHER DATA RATES via air IF using TRAFFIC CHANNEL COMBINING and NEW CODING SCHEMES Mobile DTE HLR IN/CAME L Visited MSC/VLR Gateway MSC IN Interworking (PrePaid,...) PSTN HIGHER DATA RATES to data networks BSC PCU ISDN Internet Serving GSN Gateway GSN Intranet PSPDN IMPROVED SPECTRUM EFFICIENCY by multiplexing onto the same resources PACKET SWITCHED BACKBONE NETWORK DIRECT ACCESS TO INTERNET / PACKET DATA NETWORK 11

12 GPRS: Easy Integration into a GSM Network GPRS Release GR 2.0 SW Upgrade HLR C E SMSC New network elements SGSN and GGSN for packet switching A MSC / VLR GMSC ISUP TDM PSTN / ISDN / PLMN The other network elements remain untouched or only need an upgrade SW Upgrade BSS Upgrade BSC PCU New G b G s SGSN G r G p G d G n GGSN New G i IP Network coverage overnight BSS Foreign PLMN GGSN 12

13 GPRS: Upgrade to UMTS Release GR 3.0 and beyond HLR Smooth product evolution with full reuse of GSM / GPRS nodes for EGPRS and UMTS. SW Upgrade A MSC / VLR GMSC ISUP TDM PSTN / ISDN / PLMN An integrated solution (UMSC = MSC + SGSN) saves operating costs and floor space. BSS G b I u G s SGSN G n GGSN G i IP Network UTRAN RNC Integrated Solution as option = + 13

14 Integration into the IP world HLR PLMN BSS GSN Server for PLMN provided Services VPN ISP Internet PSTN Server for ISP provided Services ISP: Internet Service Provider PLMN: Public Land Mobile Network PSTN: Public Switched Telephone Network VPN: Virtual Privat Netwo 14

15 ICM is a Global Player in the I&C Product Market Overview: ICM Worldwide Network Main ICM Countries Other ICM Countries Other countries 15

16 A Set of Alliances and Partnerships Adds to our Product Portfolio Important ICM Alliances and Partnerships 16

17 We are the Partner Who Understands your Operation On the Road to UMTS Key Challenges Our Services # Differentiation # Reduction of operating costs # Rapid technology change # Time to market # Increase of network sophistication # Change of business culture from voice to data New Technologies GPRS / WAP / IP/ UMTS Turnkey Network Operation Systems Integration Professional Services and Outsourcing 17

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