1 / 19

DIGITAL DIVIDE o DIGITAL RE-UNITE ?

DIGITAL DIVIDE o DIGITAL RE-UNITE ?. Marco Luise Università di Pisa – Dipartimento Ingegneria dell’ Informazione http://www.iet.unipi.it/ ~luise. 23 Giugno 2006. 14 Aprile 1865. 22 Novembre 1963. Mercato delle Telecomunicazioni (1°H 2003 – 1°H 2005). 21.810. 2.9%. 3.0%. 21.190. 20.580.

sammy
Download Presentation

DIGITAL DIVIDE o DIGITAL RE-UNITE ?

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. DIGITAL DIVIDE o DIGITAL RE-UNITE ? Marco LuiseUniversità di Pisa – Dipartimento Ingegneria dell’ Informazionehttp://www.iet.unipi.it/~luise 23 Giugno 2006

  2. 14 Aprile 1865

  3. 22 Novembre 1963

  4. Mercato delle Telecomunicazioni (1°H 2003 – 1°H 2005) 21.810 2.9% 3.0% 21.190 20.580 +3.9% +5.1% +1.1% -1.8% -7.2% Valori in Mln € e D% Fonte: Assinform / NetConsulting

  5. Trend delle linee attive e degli utenti di telefonia cellulare in Italia (YE 2002 – 1° H 2005) Abbonamenti e carte prepagate in Mln di Unità Numero Utenti in Mln di Unità +12.8% +7.9% +1.2% +5.8% Fonte: Assinform / NetConsulting

  6. Diffusione degli accessi a Banda Larga (Fibra ottica e xDSL - 1° H 2004 - 1° H 2005) 66.7% Tipologia di connessione (1°H 2005) Tipologia di connessione (1°H 2004) Valori in migliaia di utenti attivi e in % Fonte: Assinform / NetConsulting

  7. System Key Issues and Trade-offs for a Satellite Digital Divide Mission Communication – TT&C Systems and Techniques Section (TEC-ETC) Riccardo De Gaudenzi

  8. Likely Residential User Distribution

  9. EU 25 Countries Coverage • Multi-Beam User Coverage: • Limited available spectrum resources (500 MHz in Ka Band) calls for multi-beam coverage with high frequency re-use • Smaller beams with higher gain allow capacity increase • 3 user coverage scenarios: • Short Term: 50 Beams (FR > 12) • Short /Medium Term: 100 beams (FR > 25) • Medium / long Term : 200 beams (FR > 50)

  10. Medium-Long Term Multi-Beam Coverage

  11. Opportunità Tecnologiche per la Toscana

  12. Oltre RTRTSat

  13. Che cos’è UNIC “The UNIC project aims at providing the technology and components to allow satellite operators to offer triple play bundled services to their customers. Combining satellite technology for Direct To Home (DTH) TV-service with internet access and IP based services, including Voice over IP (VoIP) can provide a competitive alternative to more traditional access methods such as cable networks and newcomers such as IPTV/TelcoTV and Digital Terrestrial TV. In addition, the inherent advantages of satellite communications, such as unlimited access within the satellite footprint, and massive downlink broadcast capacity can be exploited to provide bundled services to customers previously excluded from traditional access choices”

  14. A che cosa serve UNIC ? • Community TV • Telemedicina • Remote Teaching • Railway • … • Estensione “locale” wireless • DIGITAL RE-UNITE

  15. GALILEO • Sistema di Posizionamento Europeo, indipendente dagli USA e gestito da GJU • Operativo 2010 (?) • Primo satellite test (GIOVE 1) lanciato • Centro di controllo in Italia (Telespazio) • Funzionamento INDOOR • Galileo Test Range finanziato da Regione Lazio

  16. Digital Re-Unite

  17. Digital Re-Unite “Ma sopra tutte le invenzioni stupende, qual eminenza di mente fu quella che immaginò di trovar modo di comunicare i suoi più reconditi pensieri a qualsivoglia altra persona benché distante per lunghissimo intervallo di luogo e di tempo? Galileo Galilei, Dialogo sopra i due massimi sistemi del mondo, Tolemaico e Copernicano - Firenze, 1632

More Related