Version 6.04 (002)

Broadband networks

  • Study and design of new systems and full IP networks (evolution of ADSL, WiFi, 4G, 5G, …) and evaluation
  • Performance on fixed and mobile channel models
  • Study and analysis of network architectures for the transport and distribution of linear audio-video content and on-demand over IP networks
  • the planning of the service analysis to assess the potential
  • Contribution to the standardization bodies (DVB, ITU, ETSI, 3GPP)
  • Engineering and support to RaiWay introduction of new systems and services

... Projects in this area (16)

Active project

ESA SCORSESE Project

Satellite supporting CDNs for the distribution of OTT services

The integration of terrestrial and satellite telecommunication networks will allow the widespread distribution of OTT contents, offloading the CDN backbone during traffic peaks, for the benefit of the effective picture quality perceived by the users.

Experimental activity (completed)

Experimentation of the coexistence of PMSE services and LTE in the 2.3-2.4 GHz band

The growing demand for transmission capacity for mobile access has led in recent years public administrations to consider new ways of spectrum management, which include sharing between different services and operators. At the invitation of the Italian Ministry of Economic Development we have participated and contributed to a field experiment aimed at assessing the problems of interference eventually suffered by PMSE services (wireless cameras for TV production) by LTE services in the 2.3-2.4 GHz band.

Experimental activity (completed)

The DVB-T2/LTE-A+ trial

Tower Overlay over LTE-Advanced+

Rai CRIT, in cooperation with RaiWay, launched in 2015 an experimental trial in Aosta Valley where two data streams share the same UHF channel in time-division: one conveys conventional HDTV programs targeting domestic DVB-T2 receiver, and a second one conveys a flow intended for 4G LTE-A+ devices such as smart-phones and tablets.

This brief note describes the context in which we operated, introduces the concept of Tower Overlay over LTE-A + (TOoL +) and shows the results of the trial carried out in the Aosta Valley.

Experimental activity (completed)

Experimentation of the coexistence of Radio Link services and LTE in the 3.6-3.7 GHz band

The growing demand for transmission capacity for mobile access has led in recent years public administrations to consider new ways of spectrum management, which include sharing between different services and operators. At the invitation of the Italian Ministry of Economic Development we have participated and contributed to a field experiment aimed at assessing the problems of interference eventually suffered by Fixed Services (Radio Links for TV contribution / distribution) by LTE services in the 3.6-3.7 GHz band.

Active project

Networks and Protocols

The television signal that we can see in our living room, after being generated in a TV studio or in an external shooting site, in order to reach our TV set, makes use of a rather complex and articulated telecommunications network. Broadcasting from the closest TV transmitter represents only the last part of this network.

The “Networks and Protocols” project has the task of studying the transport networks for TV signals from the shooting point up to the transmitters, with the purpose of guiding and accompanying the technological evolution of Rai networks.