DTV receiving system and method of processing DTV signal
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United States of America Patent
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Mar 20, 2018
Issued Date -
N/A
app pub date -
Jul 18, 2017
filing date -
Mar 26, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A digital television (DTV) receiving system includes an information detector, a resampler, a timing recovery unit, and a carrier recovery unit. The information detector detects a known data sequence which is periodically inserted in a digital television (DTV) signal received from a DTV transmitting system. The resampler resamples the DTV signal at a predetermined resampling rate. The timing recovery unit performs timing recovery on the DTV signal by detecting a timing error from the resampled DTV signal using the detected known data sequence. The carrier recovery unit performs carrier recovery on the resampled DTV signal by estimating a frequency offset value of the resampled DTV signal using the detected known data sequence.
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Family
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