Abstract

In early 1996 the European DVB consortium has specified a standard (DVB-T) for the transmission of the digital TV signals via terrestrial networks (UHF band) based on COFDM (coded orthogonal frequency division modulation). Following this action, a number of European companies have initiated a joint project called Digital Video Broadcasting Integrated Receiver Decoder (DVBIRD). During the two years of the DVBIRD project (1996-97) an analog front-end, suitable for digital terrestrial TV, and the corresponding digital receiver have been developed. Four dedicated ICs have been designed (to implement respectively OFDM demodulation, channel estimation and correction, forward error correction, time and frequency synchronisation) and a complete optimized hardware demonstrator set-top box has been developed, based on the designed chips, to support extensive laboratory tests and field trials in Europe and to support the introduction of the first regular European DVB-T transmission, planned in the UK in 1998.

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