Session 4 Case Study on Broadband Access Network · PDF file1 ITU-D Forum Santo Domingo,...

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ITU-D Forum Santo Domingo, Dominican Republic, 25 – 27 November 2009 Session 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 AmericasAmericas RegionRegion::

““ NGN and Broadband, Opportunities and ChallengesNGN and Broadband, Opportunities and Challenges””


Content of the presentation :Content of the presentation :

� Case studies and used planning tools

� Case study 1 –Mali : Bamako urban and

suburban (for Operator)

� Case study 2 –Georgia : Tbilisi urban and

suburban (for Administration)

� Case study 3 –Tajikistan : Dushanbe urban

and suburban (for Regulator)

� Case study 4 –Moldova : Chisinau, typical

town and rural area (for Administration)

2


� 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


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

3


Case study Bamako – urban and suburban area :

Wireline xDSLand WiMAX overlay

Customer market and revenue


CCaseasestudy study BamakoBamako - Planning Planning xDSLxDSL ::

Technology specification

xDSL Network Optimization

4


BS coverage

calculation

CCaseasestudy study BamakoBamako - Planning wirelessPlanning wireless::

BS coverage calculations

BS sites location


Case study Bamako – Wireless access network :

WiMAX

overlay

network

5


Case study Bamako - Economic Analysis :

Costs per network element

Revenues, Costs, NPN


Tbilisi city (5 districts)

Market study

4 customer classes

Forecast for 5 years

Case study Tbilisi – urban area :

6


Tbilisi suburban region (Tskneti, Dighomi, Tabaxmela, Chindisi )

Market study

3 customer classes

Forecast for 2 years and 5 years

Case study Tbilisi – suburban area :



Technical solutionxDSL for VoIP, Fast Internet, IPTV/Video

( 134 DSLAMs )

Case study Tbilisi – access network for urban area:

7



Technical solution FTTO(7 Agg. Nodes)

Case study Tbilisi – access network for urban area:


Case study Tbilisi suburbs - mountain rural area :

Wireline xDSLvs. Wireless WiMAX

Results for xDSL

8


CCaseasestudy study Tbilisi suburbs – Wireless access network :

Results for wireless ( WiMAX )

Results for

Year +2


Case study Tbilisi - Economic Analysis :


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

-20000

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

9


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


0

20

40

60

80

100

2009 2010 2011 2012 2013

Time

Num

ber

of S

ubsc

riber

s

BB_Bus

BB_Res


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

10



Technical solutionxDSL for VoIP, Data, Internet, IPTV/Video( 14 MSANs)


Wireline xDSL -Initial solution (year +1)



Technical solutionWiMAX for VoIP, Data, Internet, IPTV/Video( 25 BSs)


WiMAX overlay

BS

11


CCaseasestudy study Dushanbe suburbs –Wireless access network :

Results for wireless ( WiMAX )

Dushanbe suburban (sample with 5 villages)


Case study Dushanbe - Economic Results :


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

I.S

omon

ii

Sho

hman

sur A.S

ino

A.F

irdav

si

Name

in 1

US

D

Cost

Urban area

Suburban area

12


Case study MoldovaBB marketBB market –– ForecastingForecasting :

Total number of BB customers

Evolution of BB customers Logistic model

Total Number of Subscribers

0

100000

200000

300000

400000

500000

600000

700000

2009 2010 2011 2012 2013

Time

Num

ber

of S

ubsc

riber

s

Total Number ofSubscribers

Average Bandw idth

0

500000

1000000

1500000

2000000

2500000

2009 2010 2011 2012 2013

Time

in M

bit/

s

Average Bandwidth

Estimated bandwidth requirements

Y

TT(0) T(0) + TW V

0

YV (0)

1

YWV Point of inflection


Case study Chisinau Chisinau -- BB marketBB market :

� Pessimistic scenario Total Number of Subscribers

0

20000

40000

60000

80000

100000

120000

2009 2010 2011 2012 2013

Time

Num

ber

of

Sub

scrib

ers

Total Number ofSubscribers

� Optimistic scenario Number of Subscribers per Customer Class

0

50000

100000150000

200000

250000

2009 2010 2011 2012 2013

Time

Num

ber

of S

ubsc

riber

s

BB_Bus

BB_Res

1248450644986126251Difference

126555821250621771672013

5%23%2%70%2013

114071314476509162009

15.1%17.4%0.1%67.4%2009

LAN+CATVFTTBWiMAXxDSLyear

-417620119281750322Difference

72313326428931012382013

5%23%2%70%2013

114071314476509162009

15.1%17.4%0.1%67.4%2009

LAN+CATVFTTBWiMAXxDSLyear

Estimated market segment

Estimated market segment

13


Case study Chisinau Chisinau -- BB access networkBB access network :

WiMAX

xDSLFTTB


Case study Case study ChisinauChisinau –– economic resultseconomic results

Results for NPV : xDSL+ WiMAX + FTTB

Chisinau - NPV

0

20000000

40000000

60000000

80000000

100000000

120000000

9/1/2009 9/1/2010 9/1/2011 9/1/2012 9/1/2013

Pessimistic Optimistic

14


Case study for typical town (Nisporeny)-- BB marketBB market :

BB Customers

Bandwidth requirements

Market segment xDSL –� 2009 – 100%� 2013 - 70%

Market segment WiMAX –� 2009 – 0%� 2013 - 30%


0500

1000150020002500

2009

2010

2011

2012

2013

Time

Num

ber

of

Sub

scrib

ers

BB_Bus

BB_Res

Average Bandw idth

010002000300040005000

2009

2010

2011

2012

2013

Time

in M

bit/s Average

Bandwidth


Case study Nisporeny-- BB access networkBB access network :

WiMAX

xDSL

15


Case study Case study Nisporeny–– economic resultseconomic results

Results for NPV : xDSL + WiMAX

NPV - Nisporeni

0

200000

400000

600000

800000

1000000

1200000

9/1/2009 9/1/2010 9/1/2011 9/1/2012 9/1/2013

WxDSL&WiMAX


Casestudy for typical rural area (Nisporeny rural) -- BB marketBB market :

BB Customers

Bandwidth requirements


0

200

400

600

800

2009

2010

2011

2012

2013

Time

Num

ber

of S

ubsc

riber

s

BB_Bus(Rural)

BB_Res(Rural)

Common accessRural

Average Bandw idth

0

100

200

300

400

2009 2010 2011 2012 2013

Time

in M

bit/s Average

Bandwidth

30Huzun

347753Micleuseni

279428Dolna

140Vulcanesti

17

BB residential

19

BB total

1273

Households

752

telephones

2

BB business

Cioresti

Village

16


Case study rural -- BB access networkBB access network :

WiMAX

xDSL


Case study Case study rural –– economic resultseconomic results

Results for NPV –xDSL + WiMAX

Rural area - NPV

-60000

-40000

-20000

0

20000

40000

60000

80000

100000

9/1/2009 9/1/2010 9/1/2011 9/1/2012 9/1/2013

xDSL&WiMAX

Nisporeni-Rural

-60000

-40000

-20000

0

20000

40000

60000

9/1/2009 9/1/2010 9/1/2011 9/1/2012 9/1/2013

xDSL WiMAX

Results for NPV –xDSL & WiMAX

Session 4 Case Study on Broadband Access Network · PDF file1 ITU-D Forum Santo Domingo,...

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