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Next-Generation FTTH: Architectures and Enabling Components. Rajeev Ram MIT Center for Integrated Photonic Systems In collaboration with Communications Futures Program. Optical Broadband Working Group. Industrial Group Members JDSU Motorola Nokia BT Telecom Italia Alphion
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Next-Generation FTTH: Architectures and Enabling Components Rajeev Ram MIT Center for Integrated Photonic Systems In collaboration with Communications Futures Program
Optical Broadband Working Group Industrial Group Members JDSU Motorola Nokia BT Telecom Italia Alphion Neophotonics Additional Contributors Corning Luminent Vitesse Novera Intune Verizon Cisco Broadcom KAIST AT&T Ovum Infinera UC Berkeley Lightwave Research
FTTx Drivers • Ever increasing demand for bandwidth, including IPTV • Need to significantly lower network costs (rising faster than revenue) • Rapidly advancing technology and declining equipment costs • Public policy • Standards
FTTX Deployment Status • Worldwide deployment accelerating • 11M subscribers in 2005 • Asia leading in users, but other regions rapidly rolling out systems • In the U.S., >1000 communities have FTTx service today • 8M homes passed • 1.3M subscribers, forecasted at >10M by 2011 • In Europe, forecast for 49% CAGR from 2005-10 • 25M Optical network terminals • PON equipment sales of $965M in 2006, forecasted to be $2.4B in 2010
ONT Splitter ONT ONT ONT Splitter Splitter ONT ONT ONT OLT Today’s Advanced PONGPON Overview 2.4 Gbps shared by up to 128 users Small Businesses 10-100 Mbps service rates 2 3 Splitter 2.4 Gbps out 1.2 Gbps in 4 3 2 1 1 4 20 km reach New Buried Development Time Division Multiplexing
Data Power & Battery Video Today’s Advanced PONGPON Overview POTS ONT ONT
Bandwidths & Services Upstream Downstream 1310 nm 1490 nm 1550 nm Voice and Data Voice and Data Video Data Power & Battery Video Today’s Advanced PONGPON Overview POTS ONT ONT
Bandwidths & Services Upstream Downstream 1310 nm 1490 nm 1550 nm Voice and Data Voice and Data Video Data Power & Battery Video Today’s Advanced PONGPON Overview POTS ONT ONT
Bandwidths & Services Upstream Downstream 1310 nm 1490 nm 1550 nm Voice and Data Voice and Data Video Data Power & Battery Video Today’s Advanced PONGPON Overview POTS ONT ONT
Fast Clockspeed Networks • Convergence of telecom and access networks – a high volume market for high performance components • single frequency lasers & sensitive detectors • new leaders • 10x scaling of manufacturing and assembly • More than 200k triplexers per month • Driving new technologies for rapid deployment • Burst mode electronics (shared bandwidth components) • Broadband amplifier systems (reach extension to rural communities)
Next-Gen Broadband Architecture Options Metro Core Metro Edge WDM-PON LR-PON Optical Access Network GPON • WDM PON: Dedicated wavelengths (high capacity) per user • Long Reach PON: Consolidation of metro (telecom) and access networks
Inventory Management for WDM PON Metro Core WDM-PON • No bandwidth sharing on the transport layer • Flexible and simple Bandwidth/Subscriber allocation • Virtual POINT TO POINT (Secure Networks) • Physical POINT TO MULTIPOINT (Shared Fiber Infrastructure)
Inventory Management for WDM PON Metro Core WDM-PON Remote node in manhole Largest market for athermal ‘integrated’ wavelength filters
Inventory Management for WDM PON Metro Core WDM-PON Remote node in manhole ? Largest market for athermal ‘integrated’ wavelength filters How do you sell the same hardware to every user in a wavelength selective network ?
Inventory Management for WDM PON Metro Core WDM-PON How do you sell the same hardware to every user in a wavelength selective network ? Modulate and reflect light to CO Injection Locking (KT Field Trial) w/o filtered white light w/ filtered white light
Long-Reach PON Architecture Metro Core Metro Edge Optical Amplifier LR-PON Optical Access Network GPON 100 km reach 1000:1 splitters Trade CapEx for OpEx: Fund edge components by closing down COs
Component Costs Demand Demographics Central Office Siting Labor Costs Technological Constraints Splitter Siting Resource Costs Operating Context Fiber Plant Siting MIT Modeling Activity Overview Network CapEx Network Design Network Constraints Network OpEx Network Cost Models Network Model Inputs Network Design Model
Network Design Model: Validation Model Inputs Model Outputs
OpEx Involves Multiple Parameters Model Input Parameters: Network Components: Industry Data (Bottom-up) Field Data (Top-Down)
$90 OpEx $80 $70 $60 52% Savings $50 Annual OpEx per Subscriber CO $40 Fiber Hardware Total $77.59 $30 Total $37.38 $20 $10 BC LR $0 5km 20km 1x4,1x8 1x4,1x8 (3) (4) (5) OpEx By Network Component
Access Networks Designed for Change • Convergence of telecom and access networks • At the component level • At the architecture and network level • Drives working group discussions across the value chain • Driving new technologies for rapid deployment • Drives MIT research • WDM Optical Network Unit development • Burst Mode Electronics (1000x enhancement demonstrated in 2006) • High performance, low cost optical components (record performance amps) • Network OpEx models for driving architecture designs