H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 1/20 (2006.01) H04L 25/03 (2006.01) H04N 5/21 (2006.01) H04N 7/015 (2006.01) H04N 7/10 (2006.01) H04B 1/12 (2006.01) H04N 5/44 (2006.01)
Patent
CA 2184393
A device and method for removing signal interference from a digital signal by using an adaptive filter which tunes to the periodic components of the interfering signal. The output of the adaptive filter is then subtracted from the received signal to produce an error signal. This error signal is then used to recursively update the taps of the adaptive filter. The invention also relates to the use of the adaptive filter in conjunction with a DFE.
La présente invention concerne un dispositif et un procédé permettant de supprimer le brouillage d'un signal numérique au moyen d'un filtre adaptif qui effectue une syntonisation sur les composantes périodiques du signal brouilleur. La sortie du filtre adaptatif est, par la suite, soustraite du signal reçu afin de produire un signal d'erreur. Ce signal d'erreur est ensuite utilisé pour mettre à jour de façon récurrente les bornes du filtre adaptatif. Cette invention concerne également l'utilisation conjointe d'un filtre adaptatif et d'un égaliseur récursif (decision feedback equalizer DFE).
Ghosh Monisha Ghosh
Tichelaar Johannes Ijzebrand
Fetherstonhaugh & Co.
Koninklijke Philips Electronics N.v.
Philips Electronics N.v.
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