INTEGRATED CIRCUITS, COMMUNICATION UNITS AND METHODS OF CANCELLATION OF INTERMODULATION DISTORTION

A wireless communication unit includes a transmitter, a receiver, a selectivity element and a baseband processing module. The receiver has at least one summation module arranged to add a cancellation signal to the quadrature baseband receive signal. a baseband processing module arranged to: receive...

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Bibliographic Details
Main Authors GAULT, SOPHIE, CHUNG, PEI-SHIUN, PRATT, PATRICK, PLUMB, WILLIAM
Format Patent
LanguageEnglish
French
German
Published 02.12.2015
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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Summary:A wireless communication unit includes a transmitter, a receiver, a selectivity element and a baseband processing module. The receiver has at least one summation module arranged to add a cancellation signal to the quadrature baseband receive signal. a baseband processing module arranged to: receive the quadrature baseband transmit signal and quadrature baseband receive signal; apply independent gain and phase adjustments to quadrature portions of the quadrature baseband transmit signal, based on at least one signal component of the quadrature baseband receive signal, to form independent cancellation signals; and apply the independent cancellation signals to the at least one summation module.
Bibliography:Application Number: EP20100845520