Digital broadcasting transmission/reception system utilizing SRS and TRS code to improve receiving performance and signal processing method thereof
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United States of America Patent
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Jan 21, 2014
Grant Date -
Nov 6, 2008
app pub date -
Jun 3, 2005
filing date -
Jun 5, 2004
priority date (Note) -
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Abstract
A digital broadcasting transmission and/or reception system having an improved reception performance and a signal-processing method thereof. A digital broadcasting transmitter comprises a TRS encoder for to TRS-encode an MPEG-2 transmission stream having null data for inserting an SRS data and a TRS parity at predetermined positions, randomizer to input and randomize data stream from the TRS encoder, a SRS exchanger to replace the null data for inserting the SRS data to the 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 and further uses the TRS parity for correcting error of the received signal, so that the digital broadcasting reception performance can be improved at poor multipath channels.
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