Digital broadcasting transmission/reception devices capable of improving a receiving performance and signal processing method thereof
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United States of America Patent
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Jun 3, 2014
Grant Date -
May 14, 2009
app pub date -
Oct 29, 2008
filing date -
May 13, 2004
priority date (Note) -
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Abstract
Disclosed is a digital broadcasting transmission/reception system having an improved reception performance and in a signal-processing method thereof. A digital broadcasting transmitter comprises a TS stream generator for inputting robust and normal packets having stuff bytes in predetermined positions and generating dual TS stream by inserting the robust packets between the normal packets; a randomizer for randomizing the dual TS stream; a stuff byte exchanger for replacing the stuff bytes of a randomized data streams from the randomizer to a predetermined known data; and an encoder for encoding a data streams to which the known data is inserted. Accordingly, the present invention detects the known data from a signal received from a reception side and uses the detected known data for synchronization and equalization, so that the digital broadcasting reception performance can be improved at poor multipath channels.
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