Method for the transmission of digital signals

Details Method for the transmission of digital signals Method for the transmission of digital signals

H - Electricity

04

L

H04L 1/24 (2006.01) H04B 1/12 (2006.01)

Patent

CA 2269055

A method for the transmission of digital signals, particularly in the AM bands (broadcasting bands), with high-level modulation, preferably 32 APSK or 64 APSK, being used for data blocks to be transmitted. At the receiving end, time-periodic measurements of a noise are carried out and noise signals determined therefrom are subtracted from received signals.

L'invention concerne un procédé pour transmettre des signaux numériques, notamment dans les bandes MA (bandes radio), selon lequel une modulation de haut niveau, de préférence 32 APSK (modulation en amplitude par déplacement de phase) ou 64 APSK, est utilisée pour les blocs de données à transférer. Ledit procédé est caractérisé en ce que, côté réception, des mesures d'une interférence sont effectuées de façon périodique, et les signaux parasites ainsi déterminés sont soustraits des signaux de réception.

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