H - Electricity – 04 – H
Patent
H - Electricity
04
H
H04H 20/46 (2008.01) H04H 20/71 (2008.01) H04L 27/26 (2006.01)
Patent
CA 2525848
The invention relates to a radio broadcast method for a multi-carrier digital signal (51), occupying a first frequency band adjacent to at least one second frequency band, each allocated for a second signal (52, 53), said, or at least one of said second signals being an analogue radio broadcast signal. A pre- filtering (54, 55) is applied to the first signal before the transmission thereof, such as to attenuate the power of said first signal at least in a first portion of said first frequency band, adjacent to the second frequency band(s).
L'invention concerne un procédé de radiodiffusion d'un premier signal numérique multiporteuse (51) occupant une première bande de fréquence adjacente à au moins une seconde bande de fréquence affectée chacune à un second signal (52, 53), ledit ou au moins un dedits seconds signaux est un signal de radiodiffusion analogique. On applique audit premier signal un pré-filtrage (54, 55), avant son émission, de façon à atténuer la puissance dudit premier signal dans au moins une première portion de ladite première bande de fréquence, voisine de la ou desdites secondes bandes de fréquence.
Lanoiselee Marc
Louin Pierrick
Oyen Wiggs Green & Mutala Llp
Tdf
LandOfFree
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