high-capacity backhaul in advanced wireless networks: the pon solution introduction high-capacity...
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High-Capacity Backhaul in Advanced High-Capacity Backhaul in Advanced Wireless Networks: the PON SolutionWireless Networks: the PON Solution
IntroductionIntroduction
Fred Leonberger
CIPS
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Center for Integrated Photonic Systems Center for Integrated Photonic Systems
• Institute-wide community of researchers in integrated photonics and systems
• Research focus ranges from materials and devices to systems and economics
• Varied major activities– CIPS Annual Meeting– MIT/Industry Working Groups
• Affiliation with other MIT consortia
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CIPS Optical Broadband CIPS Optical Broadband Working Group ActivitiesWorking Group Activities
• Focus on next-gen PON architectures and enabling components
• Monthly meetings, semi-annual workshops– Cross-value-chain industry participation– Wide range of expert guest speakers
• White papers– Analysis of drivers, barriers and recommended actions for next-
gen PONs– Identification and study of key research topics
• OpEx and CapEx modeling of FTTx options• Process-based cost modeling of key components• Investigation of key limits/issues for XG-PON
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Internet Traffic GrowthInternet Traffic Growth
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FTTH North American Homes ConnectedFTTH North American Homes Connected(cumulative)(cumulative)
2.7M videosubs
April 09: 15M homes passed, 1.5x subs/yrFTTH Council
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Small Businesses
Splitter
OLT
ONTONT
Splitter
ONT
ONTONT
Splitter
ONT
ONT
Splitter
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2.4 Gbps shared by 32 users (20km) 64 users (10km)
2.4 Gbps out1.2 Gbps in
10-100 Mbps service rates
20 km reach1
23
4
1
4
2 3
GPON: Today’s Advanced PONGPON: Today’s Advanced PON
Time Division Multiplexing
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GPON ComponentsGPON Components
Split ratio 1:32 or 1:642.5G Downstrm; 1.25G Upstrm3 wavelengths
Burst-mode electronics and low-cost photonic components are key
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Future PON Capabilities and TechnologiesFuture PON Capabilities and Technologies
• Reach/user extension– Optical amplifiers (SOAs)– Electronic regenerators
• Capacity enhancement– 10GPON– WDMPON – WDM/TDM hybrid– Long-reach PON
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Metro Edge
Optical Access Network
WDM-PONWDM-PON
GPONGPON
LR-PONLR-PON
Metro Core
Next-Gen Broadband Architecture OptionsNext-Gen Broadband Architecture Options
•WDM PON: Dedicated wavelengths (high capacity) per user•Long Reach PON: Consolidation of metro (telecom) and access networks•Hybrid TDM+WDM Networks
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10GPON Evolution Scenario
10GPON provides capacity for IPTV
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Mobile Backhaul ArchitectureMobile Backhaul Architecture
Ericsson RAN evolves to IP
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Backhaul Convergence withBackhaul Convergence with GPON and FTTH GPON and FTTH
Ericsson
CapEx/OpEx re-use efficiencyFTTH can backhaul base stationsAccess implements IP QoS functions
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AgendaAgenda
2:45 - Introduction Fred Leonberger, MIT
3:00 - Future Wireless Network Architecture Driven by Broadband Data Traffic Berge Ayvazian, Wireless 20/20
3:25 - Carrier view of present and future backhaul requirements Rajesh Yadav, Verizon
3:50 - GPON for Backhaul Paul Wilford, Alcatel-Lucent
4:15 - The Emerging Importance of Fiber Backhaul to Support Wireless Applications
Tom Huegerich, ADC
4:40 - Flexible & Economical EPON Solutions for Cellular Backhaul Barry Gray,Teknovus and Jianhui Zhou, Broadway Networks
5:05 - Wrap