Phase noise suppression

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United States of America Patent

PATENT NO 9362965
SERIAL NO

14586345

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Abstract

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A transmitter comprises a local oscillator circuit operable to generate a reference signal, a modulator circuit operable to generate a data-carrying signal using the reference signal, and a test signal generator circuit operable to generate a test signal using the reference signal. The test signal has a first bandwidth, and a test signal insertion circuit is operable to combine the data-carrying signal and the test signal to generate a combined signal. An amount of bandwidth in the combined signal allocated to the test signal is greater than the first bandwidth such that a component of the combined signal corresponding to the test signal is bordered by whitespace. A receiver may then use the test signal to determine and correct for phase noise introduced in the transmitter.

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Patent Owner(s)

Patent OwnerAddress
MAXLINEAR INCCARLSBAD CA 92008

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Laurent-Michel, Stephane Carlsbad, US 23 379
Ling, Curtis Carlsbad, US 412 2945

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