Adaptively-equalized digital receiver with carrier tracking
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United States of America Patent
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Sep 5, 2000
Issued Date -
N/A
app pub date -
Jun 28, 1999
filing date -
Jan 23, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of carrier tracking in a digital receiver includes adjusting the phase of an equalized signal by a phase correction to compensate for a carrier frequency offset. For a small carrier frequency offset the phase correction is based on a first estimate of phase error and phase velocity of the equalized signal. For a large carrier frequency offset the first phase velocity estimate is controlled by a second phase velocity estimate based on rotation of the data constellation.
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