The FCC is testing specifications for a cognitive radio device which six giants of the IT industry claim will enable the transmission of a wireless broadband service without interfering with digital TV signals.
The intensive debate in the US over the proposed use of unlicensed interleaved spectrum or "white space" freed up by the switch to digital television has been running for nearly three years and has now entered a new phase. In theory the consultation is over and the FCC is into the technical testing phase but the row shows no sign of abating. Interest in the spectrum, which would mainly be used for the provision of wireless broadband internet services, is also increasing in Europe with lobbyists for Microsoft and other interested parties making themselves heard.
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