An interference canceller for the protection of...

H - Electricity – 04 – B

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H04B 1/10 (2006.01) H04B 15/00 (2006.01) H04B 1/707 (2006.01)

Patent

CA 2288633

A system for canceling contaminating narrowband interference for a wideband DSSS receiver by weighting a channelized copy of the signal of interest in accordance with the result of a correlation between a narrowband copy of the channelized signal of interest centered around the center frequency of the contaminating narrowband interference and a narrowband copy of a wideband feedback signal centered around the center frequency of the contaminating narrowband interference.

L'invention concerne un système d'élimination d'interférences sur bande étroite pour un récepteur à large bande DSSS par la pondération d'une copie multicanaux (56) du signal d'intérêt conformément au résultat de la corrélation entre une copie de bande étroite (66) du signal multicanaux d'intérêt centré sur la fréquence centre de l'interférence sur bande étroite et une copie de bande étroite (68) d'un signal de rétroaction centré sur la fréquence centre de l'interférence bande étroite. On injecte ensuite la copie pondérée sur bande étroite (106) du signal multicanaux dans un trajet de signal reçu pour éliminer l'interférence sur bande étroite.

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