Adaptive interference filtering

H - Electricity – 04 – B

Patent

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Details

H04B 1/52 (2006.01)

Patent

CA 2561503

Systems and techniques for adaptive interference filtering in a communications device are disclosed. The communications device may include a transmitter, a receiver, a duplexer coupled to the transmitter and the receiver, and an adaptive filter disposed between the duplexer and the receiver. A processor may be configured to monitor cross modulation in the receiver between transmitter leakage through the duplexer and a jammer, and adapt the filter to vary its transmit signal rejection as a function of the cross modulation.

La présente invention concerne des systèmes et des techniques pour réaliser un filtrage d'interférence adaptatif dans un dispositif de communication. Le dispositif de communication peut comprendre un émetteur, un récepteur, un duplexeur couplé à l'émetteur et au récepteur, et un filtre adaptatif disposé entre le duplexeur et le récepteur. Un processeur peut être conçu pour surveiller la modulation croisée dans le récepteur entre les pertes d'émetteur par le duplexeur et un brouilleur, et adapter le filtre pour faire varier son rejet de signal d'émission en fonction de la modulation croisée.

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