Data reception using low density parity check coding and constellation mapping
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United States of America Patent
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Feb 25, 2014
Grant Date -
May 31, 2012
app pub date -
Jul 20, 2010
filing date -
Aug 7, 2009
priority date (Note) -
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Abstract
Modern coding and modulation techniques have greatly improved the transmission and reception of signals. A method is described including receiving a signal de-mapping the signal into a first and second substream, decoding the first and second substream using a low density parity check decoding process, and combining the first and second decoded substream into a single data stream. An apparatus is described including a symbol de-mapper that receives a signal de-maps the modulation symbols in the signal into a first and second substream, a first decoder that decodes the first substream using a low density parity check coding process at a first decoding rate, a second decoder that decodes the second substream at a second encoding rate, and a combiner that combines the first substream and the second substream into a single data stream.
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