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
/imt2000/program.html
final version will be available at: http://www.itu
http://www.itu..int/ITU
int/ITU--T/worksem
T/worksem/imt2000/program.html
06.09.2001
ITU-T Seminar, Rio de Janeiro
“IMT-2000 and beyond Systems”
© Siemens AG 2001
1
Some Major Mobile Industry Trends
General
!
!
More than 1 billion mobile users by
2003
Mobile Data Applications
Payments
Telematics
Games
Telemetry
Every second 5 new GSM
subscriptions
3 1
5
1
Internet
2.5G / 3G
Mobile Office
!
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
7
Simple
infoservices
30
10
13
Internet
(Access +
Surfing)
E-mail, Fax,
Voice , Mail
15
15
Onlinebanking
Location dependent
Infoservices
50 % of mobile users will use mobile
internet by 2010
Source: INRA-Telcobus, ISM-Survey, Siemens Analysis
06.09.2001
ITU-T Seminar, Rio de Janeiro
“IMT-2000 and beyond Systems”
© Siemens AG 2001
2
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
06.09.2001
ITU-T Seminar, Rio de Janeiro
“IMT-2000 and beyond Systems”
© Siemens AG 2001
3
Tomorrow‘s Services Require High Data Rates ...
Provided service
Bandwidth Demand of Different Service Types
2
G
Video conferencing
Video telephony
Teleshopping
Electronic newspaper
Images / sound files
Telebanking
Financial services
Database access
Information services
E-mail
Voice
10 kbps
100 kbps
1 Mbps
3
G
10 Mbps
Our Radio Access Solutions will deliver seamless services from narrowband to
broadband and will support flexible bandwidth on demand up to 2 Mb/s
06.09.2001
ITU-T Seminar, Rio de Janeiro
“IMT-2000 and beyond Systems”
© Siemens AG 2001
4
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
06.09.2001
ITU-T Seminar, Rio de Janeiro
“IMT-2000 and beyond Systems”
© Siemens AG 2001
5
The main road towards UMTS goes though GPRS
Edge might be used as complement in areas without UMTS coverage
Functionality & capability
UMTS
2 Mbps
EDGE
384kbps
GPRS
115kbps
Circuit
Circuit data
data
<9.6kbps
<9.6kbps
1997
06.09.2001
HSCSD
HSCSD
57.6kbps
57.6kbps
1998
1999
ITU-T Seminar, Rio de Janeiro
“IMT-2000 and beyond Systems”
2000
2001
© Siemens AG 2001
2002
2003
6
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
06.09.2001
ITU-T Seminar, Rio de Janeiro
“IMT-2000 and beyond Systems”
© Siemens AG 2001
7
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
06.09.2001
+
ITU-T Seminar, Rio de Janeiro
“IMT-2000 and beyond Systems”
GPRS
Switching
Components
=
© Siemens AG 2001
New GPRS Business
8
GPRS is a Key Element to Removing Barriers to
Mobile Data Usage
GPRS
GSM
No capability
Mobile extension of
corporate/intranet/internet
applications, mobility trend
Value-added
services
Too complicated
Emerging standards:
WAP, Java, PDA,
Smart Phones
True plug and play
Too
expensive
Efficient transmission,
Volume-dependent
charging
Reasonable
costs
Too slow
Channel combining
Enhanced coding schemes
High speed
WAP: Wireless Access Protocol
PDA: Personal Data Assistant
06.09.2001
ITU-T Seminar, Rio de Janeiro
“IMT-2000 and beyond Systems”
© Siemens AG 2001
9
GPRS Satisfies Mobile Data Applications Requirements
Requirements
Sufficient Bandwidth
# Up to 100 kbps
Packet-oriented
# GSN for Transfer of IP
IP Technology
# IP at Gi-Interface
# IP in GPRS Backbone
Access to Internet
# Transparent and Non-Transparent Access
Reasonable Tariffs
# Volume-dependent Charging
Server Integration
# Gi-Interface
Services
# SMS over GPRS
Perfect
06.09.2001
GPRS provides
Suitable
ITU-T Seminar, Rio de Janeiro
“IMT-2000 and beyond Systems”
Suitability
Less suitable
© Siemens AG 2001
10
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
06.09.2001
ITU-T Seminar, Rio de Janeiro
“IMT-2000 and beyond Systems”
PACKET SWITCHED
BACKBONE
NETWORK
© Siemens AG 2001
DIRECT ACCESS
TO
INTERNET /
PACKET DATA
NETWORK
11
GPRS: Easy Integration into a GSM Network
GPRS
Release GR 2.0
HLR
SW Upgrade
C
E
GMSC
MSC / VLR
New network
elements SGSN and
GGSN for packet
switching
SMSC
ISUP
TDM
A
Gs
BSC
BSS
PCU
The other network
e
elements remain unde
ra d
a
r
g
touched or only need Up
pg
U
an upgrade
SW
Gr
Gd
Gb
w
Ne
PSTN /
ISDN /
PLMN
Gn
SGSN
Gi
GGSN
Gp
IP
Network
Ne
w
coverage overnight
BSS
Foreign
PLMN
GGSN
06.09.2001
ITU-T Seminar, Rio de Janeiro
“IMT-2000 and beyond Systems”
© Siemens AG 2001
12
GPRS: Upgrade to UMTS
Release GR 3.0
and beyond
HLR
SW
Smooth product
evolution with full
reuse of GSM / GPRS
nodes for EGPRS and
UMTS.
An integrated solution
(UMSC = MSC +
SGSN) saves
operating costs and
floor space.
Up
MSC / VLR
gra
GMSC
ISUP
de
TDM
PSTN /
ISDN /
PLMN
A
Gs
BSS
Gb
Iu
SGSN
Gn
GGSN
Gi
IP
Network
RNC
UTRAN
06.09.2001
ITU-T Seminar, Rio de Janeiro
“IMT-2000 and beyond Systems”
Integrated Solution
as option
© Siemens AG 2001
=
+
13
Integration into the IP world
PLMN
HLR
GSN
Server for PLMN provided
Services
BSS
VPN
ISP
Internet
PSTN
Server for ISP provided Services
ISP: Internet Service Provider
06.09.2001
PLMN: Public Land Mobile Network
ITU-T Seminar, Rio de Janeiro
“IMT-2000 and beyond Systems”
PSTN: Public Switched Telephone Network
© Siemens AG 2001
VPN: Virtual Privat Netwo
14
ICM is a Global Player in the I&C Product Market
Overview: ICM Worldwide Network
Main ICM Countries
Other ICM Countries
Other countries
06.09.2001
ITU-T Seminar, Rio de Janeiro
“IMT-2000 and beyond Systems”
© Siemens AG 2001
15
A Set of Alliances and Partnerships Adds to our Product
Portfolio
Important ICM Alliances and Partnerships
06.09.2001
ITU-T Seminar, Rio de Janeiro
“IMT-2000 and beyond Systems”
© Siemens AG 2001
16
We are the Partner Who Understands your Operation
On the Road to UMTS
Key Challenges
06.09.2001
ITU-T Seminar, Rio de Janeiro
“IMT-2000 and beyond Systems”
Turnkey
New Technologies
GPRS / WAP /
Network Operation
IP/ UMTS
Systems Integration
© Siemens AG 2001
Professional Services and Outsourcing
# Differentiation
# Reduction of
operating costs
# Rapid technology change
# Time to market
# Increase of network
sophistication
# Change of business
culture from voice to data
Our Services
17