Methods for digital signal processing and transmission/reception systems utilizing said methods
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United States of America Patent
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May 6, 2014
Grant Date -
May 5, 2011
app pub date -
Mar 2, 2009
filing date -
Mar 3, 2008
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Abstract
Methods for digital signal processing and transmission/reception systems utilizing the methods based on the use of LDPC codes, for example a LDPC code with a 3/5 code rate, in combination with a QAM modulation, for example the 16QAM or 64QAM or 256QAM modulation. In transmission, a bit permutation (Demux) is carried out prior to the QAM constellation mapping function, and in reception, the bit permutation is carried out after the QAM constellation demapping function.
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