System and method for adaptive DC offset compensation in wireless transmissions
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United States of America Patent
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Jul 15, 2008
Grant Date -
Sep 28, 2006
app pub date -
Mar 22, 2005
filing date -
Mar 22, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A first direct current (DC) component of a first amplified representation of a received signal at an output of an amplifier set to a first gain setting is determined during a first expected idle period of a received signal. A second DC component of a second amplified representation of the received signal at the output of the amplifier set to the first gain setting is determined during a second expected idle period of the received signal. A first average DC component is determined based at least in part on the first and second DC components and a DC offset used by the amplifier when set to the first gain setting is adjusted based on a comparison of the first average DC component to one or more threshold values.
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