Digital television transmitter and method of coding data in digital television transmitter
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United States of America Patent
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Sep 28, 2010
Grant Date -
Mar 29, 2007
app pub date -
Jul 11, 2006
filing date -
Sep 27, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A digital television (DTV) transmitter and a method of coding data in the DTV transmitter method are disclosed. A pre-processes enhanced data by coding the enhanced data for forward error correction (FEC) and expanding the FEC-coded enhanced data. A data formatter generates enhanced data packets including the pre-processed enhanced data and inserting known data to at least one of the enhanced data packets. A first multiplexer multiplexes main data packets with the enhanced data packets, and a data randomizer randomizes the multiplexed data packets. A Reed-Solomon (RS) encoder RS-codes the randomized data packets by adding first parity data, and a data interleaver interleaves the RS-coded data packets. A trellis encoder trellis-encodes the interleaved data packets, wherein the trellis encoder may be initialized when a known data sequence is inputted thereto.
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Family
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Cited Art Landscape
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