Method for equalising and demodulating a data signal which...

Details Method for equalising and demodulating a data signal which... Method for equalising and demodulating a data signal which...

H - Electricity

04

L

H04L 27/26 (2006.01) H04L 25/02 (2006.01) H04L 25/03 (2006.01)

Patent

CA 2474559

According to the invention, in order to equalise and demodulate a data signal transmitted to a receiver via a time-variant channel, the scatterer coefficients (damping, delay and Doppler frequency) causing the signal distortions in the channel are determined from the received data signal in the receiver. In this way, the data signal is equalised and then demodulated.

Selon l'invention, pour égaliser et démoduler un signal de données transmis à un récepteur par l'intermédiaire d'un canal variable dans le temps, les coefficients de dispersion (amortissement, temporisation et fréquence Doppler) qui provoquent les distorsions de signal dans le canal sont déterminés dans le récepteur à partir du signal de données reçu. Le signal de données peut ensuite être égalisé, puis démodulé.

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