Evolution of IMT2000

1
Evolution of IMT-2000 Systems Beyond

• David McFarlane
• Systems and Applications
• Nokia Networks

2
In This Presentation ...

• High level summary of the current activities for
  the on-going enhancement of IMT-2000, and a
  picture of a longer-term path to Systems Beyond
• Current research, specification and
  standardisation environment
• Evolution of 3G systems
• Current ITU-R schedule for update of the IMT-2000
  radio interface Recommendations
• Some spectrum aspects of 3G and beyond
• A possible pathway to Systems Beyond
• A possible high level Vision of Systems Beyond

3
Mobile Applications are about Fun, Sharing and
Personalization

• Multimedia messaging rich call enhancing
  real-time communication with images and shared
  media, information and entertainment access
• Hyperavailability of media, where all forms of
  media can instantaneously be accessed from
  anywhere and in a highly usable way
• Fully natural and immersive videoconferencing,
  telepresence and mobile augmented virtual reality
• High data rates used for enriching the user
  interfaces of the mobile applications, making
  them more natural, appealing and fun to use

4
Drivers for Research - Rich End-user Experience
and Cost-Efficiency of Service Delivery

• End-user experience
• Local and mass customizable delivery of rich high
  bitrate content enabled by interoperability
  between 3G, WLAN hot spots and DVB broadcasting
• Never ending innovations in applications driving
  towards higher bit rates
• Usability of applications require higher bit
  rates
• Cost-efficiency of infrastructure terminals
  critical for affordable services
• Streamlined architecture
• Spectrum effiency
• Implementation technologies (HW, SW etc.)

5
3G Research, Specification Standardisation

• ITU-R Working Party 8F (WP8F) - Global 3G Radio
  Recommendations
• Partnership Projects (PPs) - Detailed Technical
  Specifications
• 3GPP
• 3GPP2
• Standards Development Organisations (SDOs) -
  Regional Standards
• ETSI, ARIB, TTA, TTC, T1P1, CWTS, etc
• ITU-T Special Study Group on IMT-2000 and Systems
  Beyond (SSG)
• World Wireless Research Forum (WWRF)

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Evolution of 3G

• The evolution of 3G includes
• Higher data rate WCDMA air interface
• WCDMA High Speed Packet Access
• Integration of other wireless technologies, such
  as WLAN
• All-IP network evolution
• 3GPP is the main forum for this discussion
  relating to WCDMA
• Parallel activities for cdma2000 evolution are
  taking place in 3GPP2

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Combining 3G and WLAN Under Framework - First
Step to Seamless Integration of Multiradio
Users
Billing
Roaming
Roaming
2001
SIM
AAA
2G/3G Data access
WLAN
ISP
Celco
Mobile Operator Services
8
Operator Wireless LAN Architecture - Available
Today
GSM Roaming
HLR
Billing System
Global SS7
GPRS Charging Gateway
MSC
)
(
WLAN MAP Gateway
Corporate Intranet
Internet
WLAN Authentication Server
MSC Site
P022 Access Controller
A032 Access Point
C110 Network Interface Card
Access Zone
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Operator Wireless LAN Authentication
GSM Roaming
HLR
Billing System
Global SS7
GPRS Charging Gateway
MSC
)
(
WLAN MAP Gateway
Corporate Intranet
Internet
WLAN Authentication Server
MSC Site
P022 Access Controller
A032 Access Point
C110 Network Interface Card
Access Zone
10
Operator Wireless LAN Data Traffic
GSM Roaming
HLR
Billing System
Global SS7
GPRS Charging Gateway
MSC
)
(
WLAN MAP Gateway
Corporate Intranet
Internet
WLAN Authentication Server
MSC Site
P022 Access Controller
A032 Access Point
C110 Network Interface Card
Access Zone
11
All IP Network based on 3GPP Release 5 Implements
Distributed Network Architecture with Seamless
Multiradio Integration
Mobile InternetApplication Servers
Network Domain
BroadbandLocal-Area Access
Mobile Internet Application Platforms
Mobility Connection ControlServers
BroadbandConnection and ControlServers
Service Domain
EDGE BTS
Broadband Gateway
Internet
Triple Mode BTS
IP/ATM/MPLS Backbone
Mobility Gateway
Intelligent Edge
PSTN ISDN
WCDMA BTS
Media Gateway
Wideband Wide-areaMultiradio Access
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Enhancement of IMT-2000

• 3G evolution activity has already been started in
  3GPP, the standards group responsible for WCDMA
  and relevant network standards.
• 3GPP is processing a High Speed Downlink Packet
  Access (HSDPA) standard which will increase the
  WCDMA downlink data rate to about 10 Mbit/s. The
  standard is expected to be ready at the end of
  2001.
• It is expected that there will be new work items
  in 3GPP which will further improve the capacity
  and data rates of the WCDMA system.

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Enhancement of IMT-2000

• Within the ITU work has also started on
  enhancements to IMT-2000 and there are a number
  of enhancements to the existing IMT-2000 radio
  interfaces being considered this year, e.g.
• HSDPA for WCDMA
• Enhanced Data Only (DO) for cdma2000
• Enhanced Data Voice (DV) for cdma2000
• The additional global spectrum for IMT-2000 is
  anticipated to be available around 2007 in some
  parts of the world such as Europe
• The global spectrum for 'systems beyond' is not
  anticipated to be identified until the World
  Radio Conference in 2006, and not available until
  at least 2010 at the earliest.

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ITU-R RSPCApprovalWorkplan
Initial Sub 1xEV-DO
Initial Sub 1xEV-DV
Prel. info on 1xEV-DV
5.5.1 FDMA/TDMA
5.X.2 Ref. GCS
Initial Sub HSDPA other aspects, DS/TDD
5.3.1 CDMA TDD
Prel. info on HSDPA
5.1.1 CDMA DS
5.2.1 CDMA MC 1xEV-DO
5.4.1 TDMA-SC
5.2.1 CDMA MC 1xEV-DV
EXT. ORG (3GPPs)
Rabat, 21-27 Feb 01
Stockholm, 27 Jun 3 Jul
Tokyo, 10-16 Oct 01
WP8F
WP8F
WP8F
ITU
RSPC ver 0.2
RSPC ver 0.1
RSPC ver 0.3
Transposition completed by SDOs
Geneva, 5-6 Nov 01
SG 8
Correspondence
Feb 02?
1st Apr 02
RSPC draft ver 1
RSPC adopted
RSPC final
RSPC approved
E, F, S
E
15
WCDMA UTRA TDD3GPP and ITU-R update plan
5.X.2 UTRA Ref. Template
5.X.2 UTRA References From SDOs
5.X.1 Final HSDPA other aspects
Initial Sub HSDPA other aspects
RSPC Planning
3GPP GCS
Palm Springs, 13-16 Mar 01
Stockholm, 12-15 Jun 01
Beijing, 18-21 Sep 01
WP8F
TSG-R
TSG-R
TSG-R
WP8F
WP8F
Stockholm, 27 Jun 3 Jul
Rabat, 21-27 Feb 01
Tokyo, 10-16 Oct
All referencesapproved by SDOs
Kyoto, 11-14 Dec 01
Geneva, 5-6 Nov 01
SG 8
TSG-R
1st Apr 02
SDOs Transpose final version
RSPC version 1
RSPC final
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Systems Beyond IMT-2000

• We try to avoid use of the term 4G
• It creates an expectation of a new generation
  replacing 3G ...
• an expectation that nobody likes at the moment
• However, there is a need to discuss ideas for
  systems beyond 3G
• Research people are already focusing on new
  concepts
• Systems take 10 years to develop, spectrum
  acquisition even longer
• Suitable standardisation frameworks must be
  established
• But to keep things in perspective, remember that
• GSM development began as analogue systems were
  being deployed
• IMT-2000 concepts were developing as GSM was
  being specified

17
World Wireless Research Forum (WWRF)

• WWRF is an initiative by Nokia, Ericsson, Siemens
  and Alcatel to provide an open research-oriented
  discussion forum for all long term research
  activities related to further progress of the
  radio interfaces.
• The objective is to facilitate discussions
  related to future wireless activities and to
  influence European public research funding
  allocation, by developing proposals for RD
  priorities and programmes to support national and
  international research.
• A "Book of Visions 2001" will summarise the key
  trends and ideas for the future wireless world,
  and contribute to the development of the European
  Union's 6th Framework Research Programme.
• The inaugural meeting was held on March 6 7
  2001 in Munich.

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Change of Bandwidth Usage Drives Seamless
Integration of Multiple Air Interfaces
Traffic Distribution
Traffic Distribution
Other dimensions are also relevant
Bandwidth usage 2001
Bandwidth usage 2006
Beyond 2006
Bit rate has a 5 orders of magnitude range. Too
much to expect optimum performance from a single
air interface technology
1k 10k 100k 1M 10M 100M
Narrowband
Wideband
Broadband
GSM/EDGE WCDMA WLAN CDMA2000
GPRS/EDGE/WCDMA Rel 5 WLAN
Seamless integration to optimally utilize scarce
spectrum resource for future traffic and service
mix
Optimum Air Interface Technology
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Different Evolution Speeds of System Layers
Require Different Approach in RD and
Standardization
Speed of Change
Innovation required now for 3G
C O N T E N T
Images
Video
Games
Music
News
CNN
A P P L I C A T I O N S
Video-Codec
Browser
Phonebook
Mobile Messaging
M I D D L E W A R E
Radio has the longest "duty cycle"
JAVA
EPOC
CONNECTION INFRASTRUCTURE
WCDMA
Bluetooth
EDGE
WLAN
IPv4
IPv6
SS7
IrDA
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Spectrum Requires Long Term PlanningVision of
Systems Beyond 3G is Required Now

• WRC '03 (World Radio Conference)
• Consider latest progress on IMT-2000 and Systems
  beyond
• Terrestrial Interactive Wireless Multimedia
• Decide agenda for WRC '06
• WRC '06
• Consider spectrum requirements for IMT-2000
  Systems Beyond
• One option is the re-use of existing military and
  broadcasting bands
• To make this scenario happen the industry needs
  action now
• Vision (technology and market) is required
  before spectrum requirements and then spectrum
  ranges can be determined

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Framework for Research

• 3GPP WCDMA and WLAN provide sound evolution path
  to ever increasing bit rates -gt focus of
  standardization today
• Distributed architecture is developed in All-IP
  standardization in the 3GPP Release 5 -gtSeamless
  Integration of different radio access systems
• Focus long term systems research and WWRFbeyond
  the above
• Activities beyond 3G
• vision for 2010-2020
• spectrum is the limiting factor and has the
  longest "duty cycle"
• Implementation research needs to
  addresscost-efficiency of mobile multimedia
  service delivery

1992
2001
2003
2006
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Successive Mobile Visions
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Concept 100 and 1100 Mbps for Wide Area and
1Gbps for Local Area Radio Access
Vehicular
Fundamental research required - not linear
evolution - new ways of building networks
Mobility
Pedestrian
Stationary
1 10 100 1000
Data Rate (Mbps)
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Summary

• Mobility is Fun
• Research Drivers - End-User Experience
  Cost-Efficiency
• IMT-2000 and Systems Beyond - ITU-R RSPC Update
  Schedule
• Research, Specification Standardisation
  Environment - ITU, PPs, WWRF
• Evolution of 3G - HSDPA, All-IP, Integration of
  WLAN
• Logistics of making it happen
• Spectrum for systems beyond - WRC 03, WRC 06,
  availability 2010
• Systems Beyond - seamless integration of multiple
  technologies?
• Vision - set a technical challenge for future
  technologies