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1 ITU-D Forum Lusaka (Zambia), 18 and 19 May 2009 Session 3-IS -1 Session Session 3 Case Study on Broadband Case Study on Broadband Access Network Planning Access Network Planning Ignat Stanev Ignat Stanev ITC, Bulgaria ITC, Bulgaria ITU ITU- D Regional Development Forum D Regional Development Forum for the Africa Region: for the Africa Region: NGN and Broadband, Opportunities and Challenges NGN and Broadband, Opportunities and Challenges” ITU-D Forum Lusaka (Zambia), 18 and 19 May 2009 Session 3-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
Transcript

1

ITU-D Forum Lusaka (Zambia), 18 and 19 May 2009 Session 3-IS - 1

SessionSession 33

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 Africa Region:for the Africa Region:

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

ITU-D Forum Lusaka (Zambia), 18 and 19 May 2009 Session 3-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

2

ITU-D Forum Lusaka (Zambia), 18 and 19 May 2009 Session 3-IS - 3

� 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 Lusaka (Zambia), 18 and 19 May 2009 Session 3-IS - 4

Case study tools Case study tools

Market definition

Evolution forecasting

Demand mapping

Technology modeling

Network design optimization

Economy analysis

VPIsystemsVPIsystems OnePlanOnePlan AccessAccess

MULTIlink is a complete solution

for fast microwave link

engineering and designing of

PMP/WLL/LMDS networks.

LStelcomLStelcom MULTIlinkMULTIlink

3

ITU-D Forum Lusaka (Zambia), 18 and 19 May 2009 Session 3-IS - 5

Case study Bamako – urban and suburban area :

Wireline xDSLand WiMAX overlay

ITU-D Forum Lusaka (Zambia), 18 and 19 May 2009 Session 3-IS - 6

CCaseasestudy study BamakoBamako - Planning Planning xDSLxDSL ::

Technology specification

Network Optimization

4

ITU-D Forum Lusaka (Zambia), 18 and 19 May 2009 Session 3-IS - 7

BS coverage

calculation

CCaseasestudy study BamakoBamako - Planning wireless :Planning wireless :

BS coverage calculation

ITU-D Forum Lusaka (Zambia), 18 and 19 May 2009 Session 3-IS - 8

Case study Bamako – Wireless access network :

5

ITU-D Forum Lusaka (Zambia), 18 and 19 May 2009 Session 3-IS - 9

Case study Bamako - Economic Analysis :

Revenues, Costs, NPN

ITU-D Forum Lusaka (Zambia), 18 and 19 May 2009 Session 3-IS - 10

� Tbilisi city (5 districts)

�Market

� 4 customer classes�Forecast for 5 years

Case study Tbilisi – urban area :

6

ITU-D Forum Lusaka (Zambia), 18 and 19 May 2009 Session 3-IS - 11

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

�Market

� 3 customer classes

�Forecast for2 years and 5 year

Case study Tbilisi – suburban area :

ITU-D Forum Lusaka (Zambia), 18 and 19 May 2009 Session 3-IS - 12

� Tbilisi city (5 districts)

� technical solutionxDSL for VoIP, Fast Internet, IPTV/Video

( 134 DSLAMs )

Case study Tbilisi – access network for urban area:

7

ITU-D Forum Lusaka (Zambia), 18 and 19 May 2009 Session 3-IS - 13

� Tbilisi city (5 districts)

� technical solution FTTO

(7 Agg. Nodes)

Case study Tbilisi – access network for urban area:

ITU-D Forum Lusaka (Zambia), 18 and 19 May 2009 Session 3-IS - 14

Case study Tbilisi suburbs - mountain rural area :

Wireline xDSLvs. Wireless WiMAX

Results for xDSL

8

ITU-D Forum Lusaka (Zambia), 18 and 19 May 2009 Session 3-IS - 15

CCaseasestudy study Tbilisi suburbs – Wireless access network :

Results for wireless ( WiMAX )

Results for

Year +2

ITU-D Forum Lusaka (Zambia), 18 and 19 May 2009 Session 3-IS - 16

Case study Tbilisi - Economic Analysis :

Revenues, Costs, NPN

Net Present Value

Tbilisi-Tskneti-Dighomi-Tabaxmela-xDSL_corr1; IRR=31.3%; 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

ITU-D Forum Lusaka (Zambia), 18 and 19 May 2009 Session 3-IS - 17

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

Nu

mbe

r of

Su

bsc

rib

ers

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

ribe

rs

BB_Bus

BB_Res

ITU-D Forum Lusaka (Zambia), 18 and 19 May 2009 Session 3-IS - 18

� 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

ITU-D Forum Lusaka (Zambia), 18 and 19 May 2009 Session 3-IS - 19

� 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)

ITU-D Forum Lusaka (Zambia), 18 and 19 May 2009 Session 3-IS - 20

� 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

11

ITU-D Forum Lusaka (Zambia), 18 and 19 May 2009 Session 3-IS - 21

CCaseasestudy study Dushanbe suburbs –Wireless access network :

Results for wireless ( WiMAX )

� Dushanbe suburban (sample with 5 villages)

ITU-D Forum Lusaka (Zambia), 18 and 19 May 2009 Session 3-IS - 22

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

I.S

omon

ii

Sho

hman

sur A.S

ino

A.F

irdav

si

Name

in 1

US

D

Cost

Urban area

Suburban area


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