КОНФЕРЕНЦИЯ АСТЕЛ 2010
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Панел II Проектиране на широколентовия достъп, добри практики PowerPoint PPT Presentation


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КОНФЕРЕНЦИЯ АСТЕЛ 2010 ДОСТЪП БЕЗ БАРИЕРИ. Панел II Проектиране на широколентовия достъп, добри практики. Игнат Станев Колеж по телекомуникации и пощи. Съдържание :. Проектиране на широколентов достъп Проблем 1 – Service bandwidth upgrade on FTTH broadband access network

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Панел II Проектиране на широколентовия достъп, добри практики

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КОНФЕРЕНЦИЯ АСТЕЛ 2010ДОСТЪП БЕЗ БАРИЕРИ

Панел II

Проектиране на широколентовия достъп, добри практики

Игнат Станев

Колеж по телекомуникации и пощи


Съдържание :

  • Проектиране на широколентов достъп

  • Проблем 1 – Service bandwidth upgrade

    • on FTTHbroadband access network

    • on xDSL broadband access network

  • Проблем 2 –Selection of broadband access technology

    • xDSL vs. FTTH for urban brownfield area

    • FTTH vs. WiMAX for urban greenfield area

    • xDSL vs. WiMAX for rural area

  • Обучение в КТП по проектиране на широколентов достъп


Planning of wireline BB access network

  • Capturing sophisticated market forecasts

  • Selecting the best access technology for a geographic region

  • Designing and dimensioning optimized access networks

  • Providing detailed economic analysis based on forecasts and infrastructure investments


Planning of wireless BB access network

  • Interactive microwave link engineering

  • Design of radio access networks

  • Planning wireless broadband networks

  • Frequency allocation and coordination


Problem 1 – Service bandwidthupgrade

There is a need to model the impact of upgrading the service bandwidth bandwidth, the service take rate and the service mix on the access network.

For a given market, the access network planners want to perform Bandwidth Upgrade Scenarios, Uptake Growth Scenarios, and Service Mix Scenarios

The access network plannershave to dimension the required capacity of the access nodes, to optimize the access network and to calculate related coststo upgradeit.


Speed and bandwidth statistics related to service upgrade

Offeredbroadband connection – by price and speed

Average advertised vs. actual download speed

Source : OECD, TeleGeography, Point Topic

Source : OECD 2009


Service bandwidthupgrade – example I

Service:

Service:

Normal :

Upgraded:

Service:

Service:

Service utilization is presented by the Contention Ratio


Service bandwidthupgrade – example I

<- Normal

FTTH – Home locations

Upgraded:


Service bandwidthupgrade- exampleI

<- Normal

Bandwidth per service ( Mbit/s )

Bandwidth increase:

Upgraded:


Service bandwidthupgrade- exampleI

Access Network Dimensioning/ Optimization

<- Normal

(3 OLT, 17 Splitter 1:8, 89 Splitter 1:4)

Upgraded:

(3 OLT, 28 Splitter 1:8, 93 Splitter 1:4)


Service bandwidthupgrade – example I

Costs :

Costs increase :

(relative to all costs)


Service bandwidthupgrade– example I

Costs :


Service bandwidthupgrade – example II

BUS

Service:

Service:

Normal

Upgraded

Upgraded:

Service:

RES

Service:


Service bandwidthupgrade– example II

<- Normal

CC – Copper Cabinets

Upgraded:


Service bandwidthupgrade- exampleII

<- Normal

Bandwidth per service ( Mbit/s )

Upgraded:

Bandwidth increase:


Service bandwidthupgrade- exampleII

<- Normal (3 MSAN)

Access Network Dimensioning/ Optimization

Upgraded: (5 MSAN)


Service bandwidthupgrade – example II

Costs :

Costs increase :

(relative to all costs)


Service bandwidthupgrade – example II

Costs :


Problem2 – Selection of Access Technology

Aim is to investigate the techno-economical impact of various access technologies on the network for a given market

Multiple techno-economical studies are carrier out for the purpose to determine the optimum access technology for the network

Selection is done by comparison of the economical parameters for each access technology


Broadband access technologies

Application of different broadband technologies

IP

Source : OESD 2008


Broadband access – market share by technology

Broadband subscriptions inJapan

Broadband subscriptions in France

Source : Japan MIC

Source : ARCEP


Low subscriber base

*

Y

Wireless

N

Is area Greenfield pocket within Brownfield?

Is there high growth for service demand?

N

N

Y

Y

OLT exists or planned?

Is existing

MSAN

capacity &

BB reach?

* *

Y

N

FTTH

Temp BB wireless / Plan OLT

N

Y

Extend network from MSAN

Planning guidelines for broadband access technology

Sample guidelines

Access Network Planning Roadmap

Access Network Planning Guidelines

Source : STC


Example I – urban area brownfield

xDSL

xDSL vs. FTTH brownfield


Example I – urban areabrownfield

List of material :

FTTH


Example I – urban areabrownfield

xDSL vs. FTTH brownfield

FTTH

xDSL


Example II – urban areagreenfield

FTTH vs. WiMAX greenfield

FTTH


Example II – urban areagreenfield

WiMAX


Example II – urban areagreenfield

FTTH vs. WiMAX greenfield

WiMAX

FTTH


Example III (a) – rural area

xDSL vs. WiMAX rural area

xDSL


Example III (a) – rural area

WiMAX


Example III (a)– rural area

xDSL vs. WiMAX rural area


Example III (b)– rural area

xDSL vs. WiMAX rural area

xDSL


Example III (b)– rural area

WiMAX


Example III (b)– rural area

xDSL vs. WiMAX rural area


Обучение в КТП по проектиране на широколентов достъп

  • Учебни дисциплини (лекции) – ТКМ с раздели “NGN архитектура и услуги”,“Моделиране на мрежи” и “Планиране на мрежи”

  • Учебни дисциплини (сем. упражнения и практики)– ТКМ и Спец. Софтуер, където се демонстрират и прилагат инструменти за планиране на широколентов достъп

  • Лаборатория “ТКМ” с 4 мощниработни станции с големи ектани, с инстталиран лицензиран софтуер “VPIaccessMaker” за планиране на широколентов достъп

  • Дипломни работи в областта на NGN и планиране на широколентов достъп– 5(2009); 6(2010)


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