Measuring the DC properties of a signal path between transmitter and receiver
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United States of America Patent
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May 7, 2013
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N/A
app pub date -
Apr 9, 2012
filing date -
Feb 24, 2012
priority date (Note) -
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Abstract
Systems and methods for measuring transmitter and/or receiver I/Q impairments are disclosed, including iterative methods for measuring transmitter I/Q impairments using shared local oscillators, iterative methods for measuring transmitter I/Q impairments using intentionally-offset local oscillators, and methods for measuring receiver I/Q impairments. Also disclosed are methods for computing I/Q impairments from a sampled complex signal, methods for computing DC properties of a signal path between the transmitter and receiver, and methods for transforming I/Q impairments through a linear system.
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