Systems and methods for digital processing based on active signal channels of a communication system
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United States of America Patent
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Sep 16, 2014
Grant Date -
Apr 25, 2013
app pub date -
Oct 21, 2011
filing date -
Oct 21, 2011
priority date (Note) -
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Abstract
A communication system includes digital signals that carry data and correspond to channels of a composite signal to be transmitted across a communication channel. Active channels are detected and used to configure digital processing. In one embodiment, active channels are detected, where a particular active channel corresponds to the presence of a particular one of the digital signals. Active channel detection may be used to configure pre-distortion of a composite signal to be transmitted to compensate for distortion in a digital-to-analog converter. Likewise, active channel detection may be used to optimize the configuration of an up-converter. In one embodiment, a programmable device is configured based on detected active channels into a plurality of different configurations.
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