a network sharing scheme for ftth/pon fixed broadband access
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A network sharing scheme for A network sharing scheme for FTTH/PON fixed broadband access FTTH/PON fixed broadband access infrastructureinfrastructure
ITU WSIS ForumITU WSIS Forum
Geneva, Geneva, JuneJune 1212thth 20142014
Dr. Juan RendonSenior Financial and Regulatory ConsultantHuawei Western [email protected]
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Agenda
• Network sharing for fixed broadband access networks
• FTTH/PON architectures
• Initial investment: Cost Reductions achieved
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Network sharing to promote Broadband deployment
• Several factors contribute to the deployment of Broadband Networks.
REGULATORY ENVIRONMENT+MARKET
DYNAMICSFUNDING
MECHANISMS+ INCREASE OF BROADBAND
PENETRATION
• In several cases the major drawback is the lack of economic resources.
A network sharing scheme could be used to reduce the network roll-out costs. This presentation shows the cost implications of a network sharing scheme for the passive
infrastructure of fixed broadband access networks. The following Fiber To The Home (FTTH) networks are described: GPON, XG-PON and TWDM-PON.
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FTTH/PON architectures: GPON or XG-PON
Feeder Segment
Distribution Segment
Street Cabinet
Central Office
Splitter 1:8ODFOLT
Ethernetport
FiberFiber
Operator 1
Operator 2
GPON or XG-PON
portOLT
Ethernetport
Operator 1’s infrastructure
Operator 2’s infrastructure
Shared infrastructure
ONT
Fiber
ONT
Splitter 1:4
ODFGPON or XG-PON
port
It is assumed that operators share the passive infrastructure voluntarily. Each operators is in charge of its own active network elements. A multifiber scheme is employed to share the passive infrastructure.
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FTTH/PON architectures: TWDM-PON
Feeder Segment
Distribution Segment
Street Cabinet
Central Office
OLT
Ethernetport
Fiber
Operator 1
Operator 2
TWDM-PON port
TWDM-PON port
WDM Mux ODF
Fiber
Splitter 1:8
ONT
Fiber
ONT
Splitter 1:4
OLT
Ethernetport
Operator 1’s infrastructure
Operator 2’s infrastructure
Shared infrastructure
It is assumed that operators share the passive infrastructure voluntarily. Each operators is in charge of its own active network elements. A single fiber is shared by different network operators. Each operator will work with its own wavelengths.
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Cost Reductions achieved when using network sharing
• 50% market share overall
• Urban area in Europe
For the scenarios with 2 and 3 operators the cost reduction achieved on average is 44% and 60%, respectively.
The cost reductions achieved with a network sharing scheme could motivate operators to invest in broadband infrastructure.
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