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ITU-D Forum Chisinau, Moldova, 24 – 26 August 2009 Se ssion 4-IS - 1
SessionSession 44
Case Study on Broadband Case Study on Broadband Access Network PlanningAccess Network Planning
Ignat StanevIgnat StanevITC, BulgariaITC, Bulgaria
ITUITU --D Regional Development Forum D Regional Development Forum for the for the EUR and CISEUR and CIS RegionRegion::
““ NGN and Broadband, Opportunities and ChallengesNGN and Broadband, Opportunities and Challenges””
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Content of the presentation :Content of the presentation :� Case studies and used planning tools
� Case study 1 – Bamako urban and suburban
� xDSL for the urban area
� WiMAX overlay for urban and suburban area
� Case study 2 – Tbilisi urban and suburban
� xDSL and FTTO for the urban area
� WiMAX for the suburban area
� Case study 3 – Dushanbe urban and suburban
� xDSL and WiMAX for the urban area
� WiMAX for the suburban area
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� The case studies present the planning process that needs to be performed for planning of broadband access networks
Case studies on broadband access network Case studies on broadband access network planningplanning
� Planning process includes market definition, dimensioning and optimization of the access network elements, economic analysis and results.
� The case studies are from ITU projects on assisting of developing countries and are performed with professional NP tools, available through ITU partners
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Case study toolsCase study tools
Market definition
Evolution forecasting
Demand mapping
Technology modeling
Network design optimization
Economy analysis
VPIsystemsVPIsystemsOnePlanOnePlanAccessAccess
MULTIlink is a complete solution
for fast microwave link
engineering and designing of
PMP/WLL/LMDS networks.
LStelcomLStelcom MULTIlinkMULTIlink
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Case study Bamako – urban and suburban area :
Wireline xDSLand WiMAX overlay
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CCaseasestudy study BamakoBamako - Planning Planning xDSLxDSL ::
Technology specification
Network Optimization
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BS coverage
calculation
CCaseasestudy study BamakoBamako - Planning wirelessPlanning wireless::
BS coverage calculation
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Case study Bamako – Wireless access network :
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Case study Bamako - Economic Analysis :
Revenues, Costs, NPN
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� Tbilisi city (5 districts)
�Market
� 4 customer classes�Forecast for 5 years
Case study Tbilisi – urban area :
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� Tbilisi suburban region (Tskneti, Dighomi, Tabaxmela, Chindisi )
�Market
� 3 customer classes
�Forecast for2 years and 5 year
Case study Tbilisi – suburban area :
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� Tbilisi city (5 districts)
� technical solutionxDSL for VoIP, Fast Internet, IPTV/Video
( 134 DSLAMs )
Case study Tbilisi – access network for urban area:
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� Tbilisi city (5 districts)
� technical solution FTTO
(7 Agg. Nodes)
Case study Tbilisi – access network for urban area:
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Case study Tbilisi suburbs - mountain rural area :
Wireline xDSLvs. Wireless WiMAX
Results for xDSL
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CCaseasestudy study Tbilisi suburbs – Wireless access network :
Results for wireless ( WiMAX )
Results for
Year +2
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Case study Tbilisi - Economic Analysis :
Revenues, Costs, NPN
Net Present Value
Tbilisi-Tskneti-Dighomi-Tabaxmela-xDSL_corr1; IRR=3 1.3%; Tbilisi-Tskneti-Dighomi-Tabaxmela-WiMAX; IRR= 81.5%
-600000
-500000
-400000
-300000
-200000
-100000
0
100000
200000
300000
400000
1 2 3 4 5
in E
uro Tbilisi-Tskneti-Dighomi-Tabaxmela-xDSL_corr1
Tbilisi-Tskneti-Dighomi-Tabaxmela-WiMAX
Net Present Value
Rural area -Tskneti-WiMAX-b-Year2; IRR=86.4%; Rural area -Tskneti-xDSL-Year2; IRR=0%
-100000
-80000
-60000
-40000
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20000
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in E
uro Rural area -Tskneti-WiMAX-b-Year2
Rural area -Tskneti-xDSL-Year2
Results for 2
year period
Results for 5
year period
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Case study Dushanbe – urban and suburban area :
� Dushanbe urban (4 districts)
� Dushanbe suburban (sample with 5 villages)
Number of Subscribers per Customer Class
0
5000
10000
15000
20000
25000
2009 2010 2011 2012 2013
Time
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of S
ubsc
riber
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BB_Bus
BB_Res
Number of Subscribers per Customer Class
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20
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60
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2009 2010 2011 2012 2013
Time
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ubsc
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� Dushanbe city (4 districts)
� technical solution xDSLfor VoIP, Data, Internet, IPTV/Video( 49 MSANs and 9 EANs)
Case study Dushanbe – access network for urban area :
MSAN
Wireline xDSLand WiMAX overlay
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� Dushanbe city (4 districts)
� technical solutionxDSL for VoIP, Data, Internet, IPTV/Video( 14 MSANs)
Case study Dushanbe – access network for urban area :
Wireline xDSL -Initial solution (year +1)
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� Dushanbe city (4 districts)
� technical solutionWiMAX for VoIP, Data, Internet, IPTV/Video( 25 BSs)
Case study Dushanbe – access network for urban area :
WiMAX overlay
BS
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CCaseasestudy study Dushanbe suburbs –Wireless access network :
Results for wireless ( WiMAX )
� Dushanbe suburban (sample with 5 villages)
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Case study Dushanbe - Economic Results :
Revenues, Costs, NPN
Results for initial network
Results for 5
year period
Dushanbe_BB(Pessimistic)-xDSL_v3Cost
0
1000000
2000000
3000000
4000000
5000000
6000000
7000000
1/1/2009 1/1/2010 1/1/2011 1/1/2012 1/1/2013
US
D
Maintenance
Installation
Acquisition
Total Cost Node (for 1/1/2009)
0500000
1000000150000020000002500000
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Sho
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A.F
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Name
in 1
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Cost
Urban area
Suburban area