France Telecom acting in B3G ecosystem April 2005

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France Telecomacting in B3G ecosystemApril 2005
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Contents

• France Telecom overview
• France Telecom studies on ABC
• On the network side
• On the radio interfaces side
• FT actions within B3G ecosystem
• Conclusions

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About France Telecom

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France Telecom Group
Serving 118 Million Customers on 5 Continents
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France Telecom Group
Global presence in 220 countries and territories
worldwide
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France Telecom RD Laboratories on 3 Continents
- 4,100 researchers and engineers worldwide
1 local office in New Delhi
1 joint RD centre with Orange in Boston
1 centre in UK
8 centres in France
1 centre at TPSA
1 centre in Beijing
1 centre in San Francisco
1 centre in Tokyo
1 local office in Seoul
4,100 researchers and engineers worldwide
A network of 16 RD sites to identify new trends
and disruptive technologies
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Development of ABC concept in France Télécom
From strategies to studies
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Wireless World evolution the vision

• Ambient Intelligence and Context Awareness
• Provide the user with services and applications
  that sense what the user is doing and what he
  needs or wants at any given time and in any given
  context.
• B3G scope
• Always Best Connected
• The user will always be connected to the network
  which best suits its needs according to its
  location and its terminal capabilities.
• Layers 3 to 1 of emergent and futur systems are
  considered to provide ABC service.
• Seamless continuity of services across devices,
  technologies and networks
• Asset for a global operator
• interworking between hot-spot and GPRS is a
  first step towards Always Best Connected

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Future Wireless Communication Framework

• Convergence over IP
• Wireless and Wired
• Mobile Broadcasting
• A single user equipment
• Multi-functions
• Portable

• Heterogeneous Inter-working
• User convenient network
• User service continuity

Legacy
C
Common IP Core Network
Home Network
Ultra high speed landline
C
AP
Broadcasting
PAN
AR
AR
AP
AP
Ad-hoc Network
MBWA
2G. 3G Mobile Communication
Heterogeneous Radio Access
Linear-Cell
Pico-Cell
Micro-Cell
Macro-Cell
Mega-Cell
Home
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Important issues for France Telecom

• Work together with the industry
• Avoid techno only driven standard
• Ensure economically viability of services
• Take into account deployment and operational
  costs when selecting solutions
• Ensure continuity with UMTS for infrastructures
  and services
• New radio interface if any should be compatible
  with multi-access scenario
• Enable "global" services
• Address carefully the control of the access
  selection
• Ensure seamless continuity of services across the
  access

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Technical challenges for ABC

• Resources and QoS management at global level with
  coordinated radio resource management
• Towards all IP networks and packet routing
  architecture
• Global mobility management (rather centralized
  for operators networks, decentralized for PAN)
• Necessity of managing and regulating radio
  resources
• Towards a unique Authentication and global user
  profile management
• Open services architecture
• Services adaptation to (evolving) access
  capabilities
• Provide future radio interfaces with intrinsic
  ABC capabilities

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What are we studying ? (1)

• Future network architectures for ABC
• Global mobility management
• Mobile IP, SIP, inter access roaming ,
• Multi-technologies access network
• Generic RRM, access selection, inter-access
  handover,
• multi-access terminal, SDR, engineering and QoS,
  open
• spectrum,
• Alternative architectures
• Meshed-network, routed architecture, Peer-to-Peer
• 3G to B3G migration

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What are we studying ? (2)

• ABC requirements at each of layers 1 to 3
• Including inter-layers optimization
• Current and future radio interfaces capabilities
  to ease ABC

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Focus on FT expertise for ABC
Software Defined radio Joint radio resource
management, tight coupling
Cognitive radio (context awareness and
adaptation) Distributed RRM Dynamic spectrum
allocation Dig. Comm. An,d Radio interfaces
definition
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Focus on some France Telecom fields of expertise
in radio interfaces technologies
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Radio Access - Three Main Phases
2001
2010
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New and enhanced radio interfaces FT considers
for ABC

• UMTS R5/R6 enhancements
• MBMS, HSDPA-HSUPA over W-CDMA,ODFM, VoIP over
  UTRAN
• Complementary broadband wireless systems
• DAB, DVB-H, WiFi evolutions WIMAX, 802.16e
• New radio technologies for (future) WAN, LAN, PAN
  air interface
• OFDM (incl. IOTA), MC-CDMA OFDMA, MIMO, joint
• coding, UWB, short range at 60GHz,
  turbo-reception
• (incl. turbo-coding), Advanced MAC

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OFDM (incl. Advanced IOTA) and multiple access

• 2 dimensions time and frequency
• A 3rd possible dimension (digital data
  transmission) spreading codes

Time
WiFi
NTT DoCoMo
Generic term OFDMA
Mobile Wimax, WiBro, FLASH-OFDM
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MIMO Link
nT Tx Ant.ennas
nR Rx Ant.ennas

• Channel capacity
• For nT nR n , capacity increases linearly
  with n
• High cost and complex but highly rewarding

C ? nT.log2 1 (nR/nT).SNR b/s/Hz
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Where does MIMO work fine ?

• Antenna elements decorrelated
• Minimum distance lambda/4 ( 4 cm _at_ 2 GHz)
• Where added complexity and cost is tolerable
• Antenna elements limited to 3 or 4 for handheld
  terminals
• Appropriate channel conditions
• In LOS situations MIMO not at ease
• Rural access clearly not the killer app
• At best in indoor conditions
• WLAN or indoor mobile are  natural 
  applications for MIMO
• Very good potential in urban and sub-urban
  environments
• Excellent results in first field trials by Lucent
  in Manhattan

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Combination of OFDM with MIMO techniques

• Advantages of using MIMO-OFDM
• OFDM well adapted to fight against
  frequency-selective fadings
• conversion of frequency-selective fading channels
  into multiple parallel flat fading sub-channels
  (sub-carriers)
• 2 dimensions of OFDM (time frequency) can be
  used depending on channel characteristics
• Simple receiver techniques

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Acting in B3G ecosystem
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Acting in B3G ecosystem

• Worlwide
• Sponsor member of WWRF
• contributing to ITU-R WP8F
• Own answer to WP8F questionnaire on market and
  service
• One driving companie of 3GPP
• Strong involvement in 3GPP Long Term Evolution
• Growthing presence in IEEE 802.
• Member of WiMAX Forum

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Acting in B3G ecosystem

• European level
• Member of ETSI
• Strong involvement in FP6 projects
• Member of WWI steering Board (Winner, E2R,
  Ambient, SPICE)
• Instinct, Magnet,
• Founding member of "eMobility" platform

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France Telecom standardisation actions
WLAN IEEE802.11 evolutions
WPAN IEEE802.15 evolutions (UWB) 60GHz WPAN
Standardized Interworking (3GPP)
R5 (HSDPA) R6 (HSDPAbasic MIMO, MBMS) 3GPP LTE
OFDM-MIMO ?
GSM GPRS
UMTS R99
MAN (nomadic and mobile) IEEE802.16 -.16e
Broadcast DVB-T evolution (DVB-H) DAB
MBWA IEEE802.20
Flash-OFDM
WIMAX, WiBro
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The Convergence of Communication and
Broadcasting Thankyou Any Questions? Thierry
Journé thierry.journe_at_francetelecom.com Emmanuelle
Vignault emmanuelle.vignault_at_francetelecom.com