Method and system for compensating for phase offset of an...

H - Electricity – 04 – B

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H04B 1/16 (2006.01) H03F 1/00 (2006.01) H03G 3/00 (2006.01)

Patent

CA 2528455

A communication system including an amplifier (105), a receiver (110), an analog to digital converter (ADC 115) and an insertion phase variation compensation module (120). The amplifier receives a communication signal (150). If the amplifier is enabled, the amplifier amplifies the communication signal and outputs the amplified communication signal to the receiver. If the amplifier is disabled, the amplifier passes the communication signal to the receiver without amplifying it. The receiver outputs an analog complex signal to the ADC. The ADC outputs a digital complex signal to the insertion phase variation compensation module which counteracts the effects of a phase offset intermittently introduced into the communication signal when the amplifier is enabled or disabled.

L'invention concerne un système de communication comprenant un amplificateur, un récepteur, un convertisseur analogique-numérique (CAN) et un module de compensation de variations de phase d'insertion. L'amplificateur reçoit un signal de communication. Si l'amplificateur est activé, il amplifie ce signal de communication et transmet le signal de communication amplifié au récepteur. Si l'amplificateur est désactivé, il transmet le signal de communication au récepteur sans l'amplifier. Le récepteur transmet un signal complexe analogique au CAN. Le CAN transmet un signal complexe numérique au module de compensation de variations de phase d'insertion qui compense les effets d'un décalage de phase introduit de façon intermittente dans le signal de communication lorsque l'amplificateur est activé ou désactivé.

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