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Digital RF multiplexing for a TVWS transceiver implementation

Enderwitz, Martin and Elliot, Ross Andrew and Darbari, Faisal and Crockett, Louise Helen and Weiss, Stephan and Stewart, Robert (2012) Digital RF multiplexing for a TVWS transceiver implementation. In: URSI UK Festival of Radio Science, 2012-04-19 - 2012-04-19.

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Abstract

Future devices operating in the TV white space (TVWS) spectrum will require to access different bands at different locations and times in order to avoid interference to incumbent users, requiring agility and sufficient spectral masks to satisfy regulators. In order to realise radio devices capable of this, we briefly review design efforts on a radio transceiver capable up- and downconverting the 40 8MHz TVWS channels residing between 470MHz and 790MHz. While we briefly address the overall proposed structure, the aim of this contribution is to address the practical issues of interfacing data conversion devices sampling at RF to state-of-the-art FPGAs which can then perform the digital operations required for up- and downconversion.