Brazil thinking of using WiMax for digital TV return channel

Getting a message signal back from the home television set to a TV station, or broadcaster, or advertiser, is the Holy Grail of digital broadcasting. Brazil’s telecoms ministry thinks it has the solution, and is looking at using low cost WiMax for the return path.

The Brazilian government is analyzing the possibility to utilize WiMax in the digital TV return channel through the 700 Mhz WiMax band. Research work aimed at integrating WiMax into ISDB (digital TV format) is already in progress in Brazil.

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