High-Capacity Backhaul in Advanced High-Capacity Backhaul in Advanced Wireless Networks: the PON SolutionWireless Networks: the PON Solution

IntroductionIntroduction

Fred Leonberger

CIPS

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

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

Internet Traffic GrowthInternet Traffic Growth

FTTH North American Homes ConnectedFTTH North American Homes Connected(cumulative)(cumulative)

2.7M videosubs

April 09: 15M homes passed, 1.5x subs/yrFTTH Council

Small Businesses

Splitter

OLT

ONTONT

Splitter

ONT

ONTONT

Splitter

ONT

ONT

Splitter

ONT

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

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

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

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

10GPON Evolution Scenario

10GPON provides capacity for IPTV

Mobile Backhaul ArchitectureMobile Backhaul Architecture

Ericsson RAN evolves to IP

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

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