Method and system for suppressing carrier leakage

H - Electricity – 04 – L

Patent

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H04L 27/04 (2006.01)

Patent

CA 2528534

A method and system for determining at least one DC offset compensation value used to suppress carrier leakage occurring on real (184) and imaginary (186) signal paths in an analog radio transmitter when a significant temperature change (168) in the transmitter is detected. At least one DC offset signal having a level that corresponds to the at least one DC offset compensation value is provided to a digital DC offset compensation module which adjusts the DC level of at least one of the real and imaginary signal paths (184 and 186).

La présente invention concerne un procédé et un système permettant de déterminer au moins une valeur de compensation de décalage CC utilisée pour supprimer une fuite de porteuse survenant sur des trajets de signaux réels et imaginaires dans un émetteur radio analogique lorsque qu'un changement de température significatif dans cet émetteur est détecté. Au moins un signal de décalage CC possédant un niveau correspondant à cette ou à ces valeurs de compensation de décalage CC est fourni à un module de compensation de décalage CC qui règle le niveau CC d'au moins un de ces trajets de signaux réels et imaginaires.

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