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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””

ITU-D Forum Chisinau, Moldova, 24 – 26 August 2009 Se ssion 4-IS - 2

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

ITU-D Forum Chisinau, Moldova, 24 – 26 August 2009 Se ssion 4-IS - 4

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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ITU-D Forum Chisinau, Moldova, 24 – 26 August 2009 Se ssion 4-IS - 7

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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ITU-D Forum Chisinau, Moldova, 24 – 26 August 2009 Se ssion 4-IS - 9

Case study Bamako - Economic Analysis :

Revenues, Costs, NPN

ITU-D Forum Chisinau, Moldova, 24 – 26 August 2009 Se ssion 4-IS - 10

� 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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ITU-D Forum Chisinau, Moldova, 24 – 26 August 2009 Se ssion 4-IS - 13

� 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

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-60000

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0

20000

1 2

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

Num

ber

of S

ubsc

riber

s

BB_Bus

BB_Res

Number of Subscribers per Customer Class

0

20

40

60

80

100

2009 2010 2011 2012 2013

Time

Num

ber

of S

ubsc

riber

s

BB_Bus

BB_Res

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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)

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Cost

Urban area

Suburban area