Digital television transmitter/receiver and method of processing data in digital television transmitter/receiver
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United States of America Patent
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-
May 10, 2011
Grant Date -
Jun 28, 2007
app pub date -
Aug 30, 2006
filing date -
Dec 28, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A digital television (DTV) transmitter and a method of processing data in the DTV transmitter are disclosed. A pre-processor pre-processes the 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 for inserting known data to at least one of the enhanced data packets. A first multiplexer multiplexes the enhanced data packets with main data packets including the main data. An RS encoder RS-codes the multiplexed main and enhanced data packets, the RS encoder adding systematic parity data to each main data packet and adding RS parity place holders to each enhanced data packet. And, a data interleaver interleaves the RS-coded main and enhanced data packets, wherein a known data sequence is included in every Nth enhanced data segment outputted from the data interleaver.
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Family
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Cited Art Landscape
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