Method for processing digital signals, and transmission/reception system implementing said method
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United States of America Patent
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Feb 26, 2013
Grant Date -
May 26, 2011
app pub date -
Jun 8, 2009
filing date -
Jun 16, 2008
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Abstract
The present invention relates to a method for processing digital signals and to a transmission/reception system implementing said method; the present invention is based on the use of LDPC codes, in particular the LDPC code of the DVB-S2 standard, in combination with a QAM modulation, in particular the 1024QAM and 4096QAM modulations; in transmission, a bit permutation (Demux) is carried out prior to the QAM constellation mapping function; in reception, the bit permutation is carried out after the QAM constellation demapping function.
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