Mobile TV is already booming on existing cellular infrastructures in unicast mode. But unicast is not optimized to deliver the same content to many users at the same time, and this prevents mass-market deployment. Overlay broadcast networks are necessary for mass access to mainstream TV channels through mobile devices.
For the broadcast part of the solution, Alcatel proposes to combine satellite and terrestrial infrastructure, enabling indoor, nationwide coverage while operating in a readily available frequency band. The unicast part of the solution will use the existing 3G networks to increase the number of available TV channels.
This paper explains the technical intricacies of the different aspects of this solution, describing their capabilities, scope of application, maturity, and the regulatory situations.
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