© Nokia Siemens Networks National Strategies for ultrabroadband ... 26 - 27 April 2010
Next GenerationOptical AccessSigurd Schuster Nokia Siemens NetworksCTO, Head of Technology Roadmapping
Berlin, 26/04/2010
2 © Nokia Siemens Networks National Strategies for ultrabroadband ... 26 - 27 April 2010
One World Connected
Everyoneand everythingconnected
Multitude of services andbusiness models
Internet is the heartbeat of the modern society
Broadband everywhere
3 © Nokia Siemens Networks National Strategies for ultrabroadband ... 26 - 27 April 2010
Put the customer in the center– evolve to the Network of One
One Viewof customer data
One Unifiedmanagement & charging
One Simplifiednetwork
One Business-optimized operation
One Convergent service control
Our holistic approach to boostefficiency and experience
One Flexibleservice enablement & creation
4 © Nokia Siemens Networks National Strategies for ultrabroadband ... 26 - 27 April 2010
One Simplified networkThe road to broadband IP everywhere, anytime
Realize the optimized mobile broadband experience
Converge to an optimized photonic IP transport network
Simplify wireline access and aggregation to enable the Gigabit experience
5 © Nokia Siemens Networks National Strategies for ultrabroadband ... 26 - 27 April 2010
It becomes difficult to satisfy bandwidth hunger with today‘s access technologies
3x HDTV
TV streams, Web surfing, sharing and gaming will easily fill the pipe
SurfingGaming
upstream downstream
50 50 100Mbps
Web surfing
HDTVVideo Sharing
Super HDTV
Gaming
Applications bandwidth demand
ADSLADSL2+
upstream downstreamGPON
Docsis3.0VDSL2
50 50Access technology capabilities (today)
100Mbps
100Mbps
100Mbps
6 © Nokia Siemens Networks National Strategies for ultrabroadband ... 26 - 27 April 2010
Bandwidth hunger is ever increasingVideo & TV drive needs
December, 2009
upstream downstream
50100 50 100
Super HDTV
Applications bandwidth demand
3D SDTV
3D HDTV
May, 2008
HDTV
150 200 250 300 Mbps
Ultra HDTV
DirectTV will launch 3D HDTV channel in US next year
7680 x 4320
NHK will start experimental test transmissions of its Ultra-HD systemin 2011-12
4096 x 21601920 x 1080
7 © Nokia Siemens Networks National Strategies for ultrabroadband ... 26 - 27 April 2010
Next Generation AccessWhere to go and what are the differences
WDM-PONAON
TDM-PON H-PON
One wavelength per fiber
Multiple wavelengths per fiber
Dedicated wavelength
Time-shared wavelength
wavelength wavelength
time
time
64 households per fiber port
(GPON)
1 household per fiber port
e.g. 1000 households per fiber port
e.g. 512 households per fiber port
8 © Nokia Siemens Networks National Strategies for ultrabroadband ... 26 - 27 April 2010
Next Generation Optical Access – NGOA1)
Shaping the colorful future of broadband access
PhotonicIP core
Passivesplitter
One wavelength per customer: unshared 1Gbps symmetrical
Reuse of existing metro fibre – convergence of access and metro aggregation
Up to 100 km reach2)
and high splitting factorof ≤ 1000 2)
Longdistance
office
UD-WDM
OLT
1) Nokia Siemens Networks research project
Passivefilter/combiner
Passive optical distribution network
(*2) depending on choice of cascaded splitter / filter design
9 © Nokia Siemens Networks National Strategies for ultrabroadband ... 26 - 27 April 2010
Next Generation Optical AccessTechnology Ingredients
Coherent Detection
Photonic Integration
Low-cost Tunable Lasers
Electronic Signal ProcessingRelaxed tunable lasers requirements High flexibility in modulation conceptsSoftware defined radio for carrier recovery and channel decoding
Single integrated ONU optical componentSingle integrated OLT optical componentGeneration of multiple downstream wavelengths out of a single laser source
High wavelength densityHigh receiver sensitivity
Linewidth < 200 kHzServes as local oscillator for coherent detectionServes as upstream signal
10 © Nokia Siemens Networks National Strategies for ultrabroadband ... 26 - 27 April 2010
1000bT
Technology ComparisonNGOA vs. DSL vs. GPON
NGOA
up to 100 km
20 km
Home Building Distr.Network LO/CO Metro Area Edge
GPON
meters
100bT
VDSL2
100bT/1000bT
Client
1.0/1.0 Gbps unshared
2.5/1.2 Gbps shared
50/10 Mbps unshared
11 © Nokia Siemens Networks National Strategies for ultrabroadband ... 26 - 27 April 2010
Open Lambda InitiativeCreating a virtualized PON network environment
O-Band
upstream vide
o
E-Band S-Band C-B. L-Band U-Band
downup
GPON
1250 1300 1350 1400 1450 1500 1550 1600 1650
XG-PON1
NGOA1000 of λ‘sup & down
OpenLambdaInitiative
Ensure interoperability of technologies
Rules for coexistence of technologies
Division of optical fibre spectrum for different operator models
Framework for dynamic wavelength management and allocation
Some guidance for outside plant planning
12 © Nokia Siemens Networks National Strategies for ultrabroadband ... 26 - 27 April 2010
Open Lambda Concept Diversity of vendors, technologies, and services
Smooth migration to higher data rates and new technologies
Flexible multi-homing redundancy concept
Passive filter/combiner
Longdistance office
Need for simple integration with existing PON deployments
System A
System B
System C
Multiple technology options, possibly filters
13 © Nokia Siemens Networks National Strategies for ultrabroadband ... 26 - 27 April 2010
Practical use case: Fiber-sharing & Spectrum unbundling
Passive splitter
Passive filter/combiner
Apply the open lambda environment for unbundling and sharing
Opportunity to evolve toa virtualized optical access network
Secure network isolation by wavelength filtering
CSP1
CSP2
CSP3
Longdistance office
Full spectrumon fiber is shared
Spectrum management& coordination
14 © Nokia Siemens Networks National Strategies for ultrabroadband ... 26 - 27 April 2010
Let‘s ride the wave
The ultimate Gigabit experience through Next Generation Optical Access