Mobility, 3G and Beyond and NGN

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Mobility, 3G and Beyond and NGN

• Tatiana Kurakova,
• Telecommunication Standardization Sector
• Engineer
• 24 June 2004, Victoria Falls, Zimbabwe

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A View of Terminal Mobility Versus Personal
Mobility

• Terminal mobility
• must carry a wireless terminal
• must be within radio coverage

Network wireless

• Personal mobility
• need not carry a terminal
• must have a personal number

Network wireline
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Definitions

• Mobility is the ability to provide services
  irrespective of environment changes that may
  occur by mobile user/terminal/network's
  activities.
• Personal mobility is the ability of a user to
  access telecommunication services at any terminal
  on the basis of a personal identifier, and the
  capability of the network to provide those
  services delineated in the user's service
  profile.
• Terminal mobility is the ability of a terminal to
  access telecommunication services from different
  locations and while in motion, and the capability
  of the network to identify and locate that
  terminal.

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Wireless Internet
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Group on IMT-2000 and Beyond

• Why mobile studies are so important?
• growth of wireless access outstripping
  traditional access
• soon will be over 50 of all subscribers
• already the case in some markets
• explosive growth of the Internet
• strong correlation between wireless access and
  internet usage leads to Wireless Internet
• multiple forums working on 3G systems
• need to promote harmonization and convergence
• rapidly increasing importance of globalization

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Questions under study (1 of 3)

• 1) Service and Network capability
  requirements and network architecture
•      establish a clear vision for future mobile
  services and network capability requirements for
  beyond IMT-2000 systems
•   2) NNI mobility management protocol (Stage
  3)
• define new mobility management signalling
  application protocols, or enhancements to
  existing protocols, needed to support IMT-2000
  services to enable global roaming between
  different IMT-2000 family systems.
•   3) Identification of existing and evolving
  IMT-2000 Systems
•     identify architectures, detailed
  specifications and releases which have been and
  will be produced by recognized SDOs which make
  up existing and evolving IMT-2000 systems.

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Questions under study (2 of 3)

4) Interworking functions to be used with
existing and evolving IMT-2000 systems identify
(and define if not done elsewhere) interworking
functions to facilitate appropriate interworking
between existing and evolving IMT-2000 family
members, PSTN/ISDN and Packet Data Networks 5)
Preparation of a Handbook on IMT-2000 work
with the D- and R-sectors, coordinate T sector
input for a handbook on IMT-2000 to assist
developed and developing countries
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Questions under study (3 of 3)

• 6) Harmonization of evolving IMT-2000
  Systems
• define interface requirements and network
  architectures for harmonization of existing and
  evolving IMT-2000 systems to provide seamless
  global roaming for IMT-2000 future Capability
  Sets (that include high speed packet data,
  multimedia, and IP-based services)
• 7) Convergence of fixed and existing
  IMT-2000 systems
• - describe the principles and requirements
  for the convergence of fixed and IMT-2000
  networks
• - describe the architectural requirements for
  a converged core network to support IMT-2000
  capabilities accessible from various wireless and
  wireline access technologies to support current
  and evolving IMT-2000 capabilities  

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The three-stage process for interface
specification
Services/Features
Stage 1 Service definition
Physical architecture
Functional architecture
Information flows
Stage 2 Signaling requirements
SDL diagrams
Stage 3 Protocol specification
Interfaces
SDL System Description Language
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ITU-T Recommendations developed by SSG (1 of 3)

• Q.1702 (06/02) - Long-Term Vision of Network
  Aspects for Systems Beyond IMT-2000
• Q.1703 (05/04) Service and Network Capabilities
  Framework of Network Aspects for Systems Beyond
  IMT-2000
• Q.1741.1 (04/02) - IMT-2000 references to release
  1999 of GSM evolved UMTS core network with UTRAN
  access network  
• Q.1741.2 (12/02) - IMT-2000 references to release
  4 of GSM evolved UMTS core network with UTRAN
  access network
•  

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ITU-T Recommendations developed by SSG (2 of 3)

• Q.1741.3 (09/03) - IMT-2000 References to Release
  5 of GSM evolved UMTS Core Network
• Q.1742.1 (12/02) - IMT-2000 references to ANSI-41
  evolved core network with cdma2000 access network
   
• Q.1742.2 (07/03) - IMT-2000 references (approved
  as of 11 July 2002) to ANSI-41 evolved core
  network with cdma2000 access network  

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ITU-T Recommendations developed by SSG (3 of 3)

• Q.1742.3 (01/04) - IMT-2000 references (approved
  as of 30 June 2003) to ANSI-41 evolved core
  network with cdma2000 access network
• Handbook Deployment of IMT-2000 Systems (11/02)
• Q.1761 (01/04) - Principles and requirements for
  convergence of fixed and existing IMT-2000
  systems
• Supplement 47 (11/03) - Emergency services for
  IMT-2000 Networks - Requirements for
  harmonization and convergence  

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Questions for further study

1) Service and Network capability
requirements and network architecture 2)
Mobility Management 3) Identification of
existing and evolving IMT-2000 Systems 4)
Preparation of a handbook on IMT-2000 5)
Convergence of evolving IMT-2000 networks with
evolving fixed networks
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Foreseen deliverables (1 of 5)

• 2004
• Technical Report, Q.TRMMR Mobility Management
  (MM) Requirements for Systems Beyond IMT-2000
• New Recommendation Q.1741.4 GSM evolved UMTS
  core network (References to Release 6)
• New Recommendation Q.1742.4 ANSI-41 evolved
  core network with cdma2000 access network

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Foreseen deliverables (2 of 5)

• 2004
• New Recommendation Q.FMCstg2 Network
  architecture and interface requirements
  facilitating evolution of existing public fixed
  networks towards converged core network,
  supporting IMT-2000 capabilities
• Technical Report Lawful interception
  requirements for the converged and the harmonized
  networks

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Foreseen deliverables (3 of 5)

• 2005
• New Recommendation Q.FNAB Long-term high-level
  network architecture for beyond IMT-2000 systems
• New Recommendation Q.FIFB Long-term high-level
  network functional information flows for beyond
  IMT-2000 systems
• Technical Report, Q.MMF MM Framework and
  Functional Architecture for Systems Beyond
  IMT-2000

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Foreseen deliverables (4 of 5)

• 2005
• Handbook on IMT-2000 deployment, 2nd edition,
  Core Network Aspects
• New Recommendation Access network interface
  requirements for utilizing IMT-2000 radio access
  technologies as FWA with existing public fixed
  networks

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Foreseen deliverables (5 of 5)

• 2006
• Technical Report MM Functional Information Flows
  and Protocol Development
• New Recommendation Architectural and network
  interface requirements for converged core network
  to facilitate services transparency to users
  across different access arrangements, including
  migration path for network convergence

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Mobility Management

• Mobility Management requirements based on Vision,
  Harmonization, and Fixed/Mobile Convergence
  studies
• Technical Report nearing completion
• assessing protocol candidates based on
• compatibility with emerging IP-based Core
  Networks
• re-use of existing specifications from IETF,
  partner SDOs of 3GPPs, IEEE, others
• smooth migration to longer term requirements

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Where ITU-T can add value in globalIMT-2000 and
beyond standardization

• Leadership through coordination, consensus
  building, and collaborative working arrangements
• with 3GPPs, OMA, SDOs, other relevant fora
• Facilitating adoption of appropriate external
  specifications as ITU-T Recommendations
• act as a single source for IMT-2000 and related
  standards
• Development of requirements and architectural
  framework
• Recommendations as needed and appropriate
• provide context and structure for IMT-2000
  related specifications
• Identifying emerging industry needs for global
  standards
• propose efficient and coordinated work planning
  and sharing arrangements with external forums to
  meet needs
• Facilitating interoperability and interworking
  between IMT-2000 family members for global
  roaming, seamless service delivery
• provide interworking specifications if not done
  elsewhere

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Envisaged Network Environment Around the Year
2010 (1 of 2)

• Market trends
• High-speed data connection is a norm
• Core network is fully IP-based
• Digital TV with data service capability
• Existence of many complementary wireless networks
• Users are computer proficient
• Users move internationally wanting their services
  anytime anywhere
• Services are the driver

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Envisaged Network Environment Around the Year
2010 (2 of 2)

• Technology trends
• Software radio technology becomes a main element
  in the wireless infrastructure
• Mobility management will be supporting higher
  speed objects such as vehicles
• Concept of seamless services will be extended
  beyond handover and roaming services
• Security environment around the year 2010

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NGN in ITU-T

• Main study groups addressing NGN
• SG 11
• Network Signalling and Control functional
  architectures in emerging NGN environments
• Signalling and control requirements and protocols
  to support user attachment in NGN environments
• SG 13
• Functional requirements, services and
  architectures
• SSG
• Vision for IMT-2000
• Mobility Management
• Convergence of Fixed and Mobile
• SG16 has developed MM Services specifications
  directly applicable to NGN with the H.323 system,
  H.248 gateway control protocol, QoS, Security,
  Services Applications
• N.B all SGs have an NGN aspect to their work

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ITU-T NGN Project

• Joint ITU-T SG13-SSG session on NGN, 5 Nov 02
• NGN-2004 Project description
• http//www.itu.int/ITU-T/
  studygroups/com13/ngn2004/index.html
• Definition of NGN
• Workshop on "Next Generation Networks What, When
  and How?"Geneva, 9-10 July 2003
• Joint Rapporteurs Group on NGN (JRG-NGN)

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Joint Rapporteurs Group on NGN (JRG-NGN)

• 4 meetings held in last 10 months
• - last meeting in June 04
• 11 Recommendations under development
• 2 mailing lists open to non-ITU-T members

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What is NGN ?

• A full (carrier class and business class) service
  network
• Telephony and other Legacy (including Internet
  access) services
• Data, including High speed access to Internet and
  its applications
• Video (VOD, Streaming)
• Digital TV Broadcast, Multimedia (combining all
  of the above)
• Mobility and Nomadism. Interworking with Legacy
  services for Human and Machine users (including
  RFIDs machines)
• Network features and technical characteristics
• Packet-based (IP, MPLS, ATM, Ethernet) transport
• IP and service intelligence, in an IP-managed
  network
• Distributed, transport-resource-session-service
  independent control
• Using IP-friendly (well defined profile) protocols

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The Transformed Network

• Always on
• Anytime, anywhere and in any form
• Voice and multimedia
• Self service, intuitive
• Simple for the end user
• Secure, trusted and reliable

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When is NGN coming in ?

• Some (pre-NGN) pieces are already there
• PSTN (VoIP, VoATM) trunking, some VoIP offers
• Private/corporate network solutions (Centrex IP,
  IP VPN)
• A long way to the 21st Network. Convergence of
  Telephony and Data (IT, Internet) approaches
• PSTN/ISDN evolving towards NGN oriented platforms
• Replacement of obsolete PSTN/ISDN network
  elements 2005 onwards
• Packet Data networks evolution (Fixed-Internet
  convergence)
• Evolving from the current High Speed Internet
  access (ADSL, WLAN ) platforms
• To offer new generation Services 2005 onwards
• Mobile convergence (IMS) 2006 onwards

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How will NGN be developed and deployed ?

• Replacing progressively legacy PSTN
  elements/areas
• Only when becoming obsolete (too little
  OPEX/CAPEX gain, particularly in Core)
• Migration of PSTN-gtNGN might accelerate after
  2010 (PSTN lines moved to DSLAMs -gt VoIP)
• Green field deployment (today)
• Overlay deployment, building over xDSL and
  Fiber-based access to Internet
• ADSL is being deployed fast, with huge
  investments
• Opportunity to provide new (audio-data-video)
  services
• Convergence between Fixed-Mobile and Internet
  services/applications
• Nomadicity (Mobility Management for Roaming)
• Mobility through Fixed WLAN (spectrum from Fixed
  -gtNomadic-gtMobile)
• Harmonizing/Converging with Mobile IMS and
  IP-Cable

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Recommended follow-up Actions

• Define Services Framework
• Generic service Building blocks (or Capabilities)
• Harmonized with Mobile and Cable/Broadcast
• Define reference Architecture
• Built upon IMS, adapted to accommodate xDSL
  access
• Identify Scenarios and Evolution Steps
• Identify Interfaces subject to standardization
• Prioritise Standardization areas and requirements
• Select protocols and specify their profile(s)
• Interact (and share) with relevant SDOs (IETF,
  3GPP) and Fora (e.g. DSL, MSF )

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Focus Group on NGN (1 of 2)

• Addresses the market needs for NGN standards
• Created on 7 May 2004 to tackle NGN studies
• Goal to produce global standards for NGN
• Lifetime till mid 2005
• Reports to TSB Director
• Inherits 11 draft Recommendations from JRG NGN
• Operates in compliance with Recommendation A.7
• Inaugural meeting 23-25 June 2004
• Web site http//www.itu.int/ITU-T/ngn/
• Mailing list fgngn_at_itu.int
• Paperless meetings
• First meeting documents are public available

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Focus Group on NGN (2of 2)

• Terms of Reference
• Nomadicity architecture supporting broadband xDSL
  access
• NGN activities on QoS Signalling
• IP QoS Signalling requirements
• Authentication
• Security

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For more information please visit our web site
http//www.itu.int

• SSG web page
• http//www.itu.int/ITU-T/ssg/index.html
• and IMT-2000 web pages
• 1. Network aspects
• http//www.itu.int/ITU-T/imt-2000/network.html
  
• 2. Radio aspects
• http//www.itu.int/ITU-R/study-groups/rsg8/rw
  p8f/index.asp
• NGN Project
• http//www.itu.int/ITU-T/studygroups/com13/ngn2004
  /index.html
• Focus Group
• http//www.itu.int/ITU-T/ngn/fgngn/index.html

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Thank you for your attention!