Systems and methods for a multi-carrier transceiver with...

Details Systems and methods for a multi-carrier transceiver with... Systems and methods for a multi-carrier transceiver with...

H - Electricity

04

L

H04L 27/26 (2006.01) H04L 5/02 (2006.01)

Patent

CA 2411364

A multi-carrier information transceiver that exhibits robustness against radio frequency interference (RFI) signals present in the communications channel. The transceiver includes a RFI mitigation technique that operates not only during the steady state operation of the transceiver but also during the training stage of the transceiver. That requires dynamically modifying the training signals when the presence of RFI is detected. The modification of the training signals facilitates the estimation of RFI, improving the performance of the multi-carrier transceiver.

L'invention concerne un émetteur-récepteur d'informations multi-porteuse présentant une résistance élevée aux signaux à brouillage radioélectrique (RFI) présents dans la voie de communication. Cet émetteur-récepteur fait intervenir une technique d'atténuation de brouillage radioélectrique intervenant non seulement pendant le fonctionnement en régime permanent de l'émetteur-récepteur, mais aussi pendant l'étape d'apprentissage dudit émetteur-récepteur. Pour cela, on doit modifier dynamiquement les signaux d'apprentissage lorsque la présence d'un brouillage radioélectrique est détectée. La modification des signaux d'apprentissage facilite l'estimation du brouillage radioélectrique, d'où une amélioration du rendement de cet émetteur-récepteur multi-porteuse.

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