文档介绍：CONFIDENTIAL
Broadband Access Platforms
FCC Tutorial
works and Services
Stagg Newman
April 14, 2002
McKinsey pany
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TECHNOLOGIES PROFILED
Wireline Wireless
Twisted Copper Pair Fixed
• xDSL • MMDS
• Voice-over-DSL •LMDS
•VDSL • Free-space optics
• Unlicensed fixed wireless
Hybrid Fiber Coax • Wireless Mesh
• Cable Modem/VoIP • Satellite
Optical Fiber Nomadic/mobile
• Gigabit •WLAN
• Passive works • Next-Generation Mobile
Powerline
• Powerline munications
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xDSL – TALKING POINTS
• Copper-based broadband technology for the local loop
Basics
Basics • Targets residential and SME market
• Leverages ubiquitous work infrastructure to offer high-speed data
• Profitability has been a challenge both for CLECs and ILECs
Issues
Issues • Provisioning rate constrained by back-office bottlenecks
• Improvements in OSS required to handle provisioning, billing/customer care
and support for advanced services
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DIGITAL SUBSCRIBER LINE (xDSL) – OVERVIEW
Advantages Equipment vendors
Platform basics Customers
Challenges Service providers
• Data rates vary with version of DSL Advantages: Equipment vendors: Target customer segments:
and loop length • Proven technology with more than 3 • Modems • Consumer
– For the most popular version, ADSL, million lines in service – Thomson Multimedia •SME
the international standard from ITU- –Westell
T specifies a maximum speed of • Industry standards from ITU-T and
ANSI – works
Mbps downstream and 640 Kbps Market size:
upstream* • Uses the ubiquitous telephone