Self-interference removal using converter compensation in a...

Details Self-interference removal using converter compensation in a... Self-interference removal using converter compensation in a...

H - Electricity

04

L

H04L 5/12 (2006.01) H04B 1/52 (2006.01) H04B 7/185 (2006.01) H04L 27/36 (2006.01)

Patent

CA 2470082

Self-interference cancellation (10) in two-way relayed communication is improved by creating models of upconverter and downconverter imperfections and then compensating for those imperfections before self interference cancellation processing (36). The model includes compensation for phase offset, for amplitude imbalance and for leakage in the mixers.

L'annulation de l'autobrouillage (10) dans la communication bidirectionnelle à relais est améliorée par la création de modèles d'imperfections de convertisseur élévateur de fréquence et de convertisseur abaisseur de fréquence et par la compensation de ces imperfections avant le traitement d'annulation de l'autobrouillage (36). Le modèle comprend la compensation du déphasage, du déséquilibre en amplitude et de la fuite dans les mélangeurs.

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