Digital television transmitter/receiver and method of processing data in digital television transmitter/receiver
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United States of America Patent
Stats
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Jan 10, 2012
Grant Date -
May 10, 2007
app pub date -
Jul 11, 2006
filing date -
Nov 8, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A digital television (DTV) transmitter and a method of processing known data in the DTV transmitter are disclosed. The method of processing known data in a digital television (DTV) transmitter includes generating a known data sequence, trellis-encoding the known data sequence, the trellis-encoded known data sequence having upper, middle, and lower bits, wherein at least one of the upper, middle, and lower bits has an m-sequence property, and mapping the trellis-encoded known data sequence into one of 2-level, 4-level, and 8-level data sequences, wherein the mapped data sequence has substantially an m-sequence property, wherein a data sequence has an m-sequence property when a peak value among auto-correlation values of the data sequence having a length of N is 1 and all the off-peak auto-correlation values are −1/N.
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Family
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Cited Art Landscape
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