1 / 20

The role of wireline access technologies to bridge the digital divide

The role of wireline access technologies to bridge the digital divide. BB for All Cluster workshop “How to bridge the digital divide ?” Brussels, 22.03.2006 Peter.Vetter@alcatel.be. Introduction. Three dimensions in the problem space of digital divide: 1: Rural areas

solomon-beach
Download Presentation

The role of wireline access technologies to bridge the digital divide

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. The role of wireline access technologies to bridge the digital divide BB for All Cluster workshop “How to bridge the digital divide ?” Brussels, 22.03.2006 Peter.Vetter@alcatel.be

  2. Introduction Three dimensions in the problem space of digital divide: 1: Rural areas • Survey technologies for rural areas • Selecting the most cost effective solution • Recommendations 2: New member states • General survey • Example cases Poland/Hungary 3: Social divide • Actions to facilitate BB access

  3. 1. BB access for rural areasIntroduction • Approaches for (sub)urban areas are not suited for rural areas • High speed internet: 1 Mbps (ADSL < 5 km) • Multi media streaming: 3 Mbps (ADSL < 3 km) • HDTV, Video distribution, multiple users/home: 10-100 Mbps • Different solutions possible Premises 1 user Access node 5-75 users Aggregation node 1000 - 10000 users Access Backhauling ADSL Wireless Satellite Fibre Leased lines E1 Wireless Satellite Fibre 10-30 km with terrestrial solutions No limits with the satellite 0-5 km

  4. DSL in rural areas 10 Mb/s 10 Mb/s Coverage Coverage Coverage Coverage Coverage 7.5 Mb/s Coverage 7.5 Mb/s Coverage Coverage Remote DSLAM 5.5 Mb/s 5.5 Mb/s RemoteDSLAM Coverage Coverage Coverage Coverage Coverage Coverage Coverage Coverage 3.5 Mb/s 3.5 Mb/s Remote Unit Increasing loop length DSLAM 1 Mb/s 1 Mb/s • Lowest cost • Investments scale linear (large choice of remote DSLAM with different modularity) • Suited for clustered rural users • Limited reach • Combination with backhauling feeder needed

  5. DSL bonding as backhauling n x 2 Mbps (n=1,2,4,8) SHDSL Active repeater per 2.5 km ADSL • Low cable infrastructure cost • Low cost equipment • Limited reach for backhauling • Limited bandwidth • Active repeater points needed (operational cost)

  6. Wireless solutions for rural access WiMAX (2-11 GHz) 1 Mbps / 15 km WiMAX (10-66 GHz) <70 Mbps / 10 km WiFi WLAN (2.5 GHz) 2 Mbps / 3-5 km • No wireline infrastructure required • Fast roll-out possible • Solutions available for access and backhauling • Limited BW/reach for non line of sight radio technology (<11 GHz) • High BW solutions (10-66 GHz) are line of sight and high cost

  7. 2-way satellite access Bi-directional 64kbps/2Mbps Standard interface : DVB-RCS Satellite Hub • Unlimited reach, quick and easy deployment • Direct access and backhauling • Robust in times of crisis • High bandwidth • Satellite downstream + terrestrial upstream possible • Large initial investment (but shared between numerous actors) • Latency (e.g. gaming)

  8. Optical fibre BPON (622/155 Mbit/s) G/EPON (1.25/1.25 Gbit/s) FTTH 1:32 Ethernet • Long reach, highest BW • Future safe • Robust, low maintenance cost • Today mainly for backhauling • High civil works cost

  9. 8 Mbps down 2 Mbps up 2way sat Sat Hub < 4 km 2,5 Mbps hald-duplex WiMAX< 15 km WiFi Eth < 15 km 1 Mbps half-duplex < 15 km 1 Mbps half-duplex Microwave < 30 km WiMAX Eth < 50 km < 5 km Fibre 1 Mbps/user DSL ATM/Eth < 5/10 km/village End to Endcombinations Access CPE Aggregation Operator/ISP Fiber Internet 100-1000 Km

  10. High Speed Internet Access (1-2 Mbit/s)Selecting the most cost-effective solutions • Capex estimation (Capital Expenditure): • CPE cost • Network costs: short term amortisation 3 to 5 years (3 y. in study) • Active network equipment (access nodes, aggregation, …) • Network costs: long term amortisation 15 to 20 years (20 y. in study) • Civil works (Laying fibre, Building radio tower) • Opex estimation (Operational Expenditure): • Equipment maintenance, renting (space/energy), … are included. • Network operations costs are not included. • Comparison of monthly cost per user (reference Urban DSL=1)

  11. 25.0 DSL + Leased Line DSL + microwave 20.0 15.0 Relative cost /month /user 10.0 5.0 0.0 0 20 40 60 80 # users/village Cost comparison solutions for rural areas DSL + Fibre (limited civil work) DSL + Fibre (full civil work) WiFi + WIP WiFi + Satellite WIMAX E2E WIMAX + microwave WIMAX + satellite Satellite E2E (Relative cost Urban DSL =1) (Access + backhauling technology)

  12. DSL + DSL + or Microwave Fiber Survey end-to-end cost Backhauling distance (km) 1 1 5 5 30 30 50 50 100 100 1000 1000 15 1 x6 Micro 2way Satellite x2 80€ ELLITE village 10 Urban Urban x4 E2E WiMAX x2.5 x4 Average Wi-Fi or DSL + WiMAX WIP WiMAX WIP Urban or or or DSL 30 Wifi Wi-Fi Wifi WiFi Wi-Fi WiFi x3 x2,5... or or or + + + Large DS L DS DS L L Satellite Satellite Satellite 70€ Village + + + + 30€ 50 Herzien Liaisons Fibre x2,5 x2... Liaisons Ref. Price x1 x2,5…x4 Louées Louées 70 # connected users First technology listed is the access technology, while the second one is the backhauling technology

  13. Main conclusions cost comparison Compared to DSL in urban areas, broadband access is 2 to 6 times more expensive in under-served areas • Satellite is best solution • Wireless (WiFi/WIMAX) or Wired (DSL + Fibre/radio) • Wired (DSL + Fibre/microwave) • Scattered users and small villages (about 10/20 users) • Medium villages (30-50 users): • Large villages (70 users):

  14. How about higher bandwidth (10 Mbit/s) with wireline solutions in rural areas ? • High bandwidth wireline solutions (>10 Mbit/s) do not result in a positive business case for rural areas (FTTCab, FTTH) • Cash flow is most sensitive to infrastructure cost: optimisation needed

  15. How to improve the economics in rural areas ? • Subsidies from local authorities to bridge the added cost • prevent the digital divide of under-served areas • Exploration of new business models with utility companies • sharing infrastructure and civil works • New revenues through open service enabling platform • allows access provider to provide added value and to tap on the revenue stream • incentive for access provider to invest in better infrastructure

  16. New member states (1) • Take-up is low compared to EU average, but caching up • Mainly in large and small cities, but also in villages

  17. New member states (2) • Fees similar to “old” member states, but relatively high to salaries

  18. New member states (3) • Mainly DSL and Cable, also FWA • Today, about 80% of population in new member states can be technically be reached by ADSL (0.5 Mbit/s)

  19. New member states (2) • Poland Case: • 0.5 Mbit/s ADSL: 31 Euro/month … 6 Mbit/s ADSL: 64 Euro/month • Competitive offer on Cable by UPC • 4.2 % penetration • Aim for 99% ADSL coverage • Start roll-out FTTC/B • PON: watch the trends world wide • Hungary Case: • 1 Mbit/s ADSL 40 Euro/month (DSL, Matav), 2.5 Mbit/s: 40 Euro/month (Cable, UPC) • Clustered remote subscribers: • TDM or ATM fibre feeder + DSL, some HFC • Dispersed remote subscribers: weak HSI offer, improving thanks to government pressure (ADSL or Downstream Satellite + ISDN) • Future trend: • migrate to Ethernet aggregation, • FTTC (feeder not decided PON or PTP)

  20. Responsibility operators, system vendors, consumer industry Political effort 3. Social divide • Some people live in areas with broadband access but do not make use of it • “IT – illiterates” (e.g. seniors, people without technical training) • Lower social classes • Technical solutions to facilitate BB access • Autoconfiguration architecture defined in MUSE • Auto configuration server, remote provisioning - maintenance • BB Access for non-PC users (about 50% of the population) • E.g. via TV • Other actions • One PC per home (should be low cost, simple to use PC) • distribution via schools for e-learning, • social care organisations for e-health • Access via schools (including parents), Cyber cafés for Senior Citizens • E-Health, e-government, e-anything as promotors for BB Access • Trainings to “IT-illiterates” • Public helpdesks

More Related