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Bit permutation patterns for LDPC coded modulation and 16QAM constellations
Bit permutation patterns for LDPC coded modulation and 16QAM constellations
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机译:LDPC编码调制和16QAM星座图的位置换模式
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摘要
The present invention relates to methods for digital signal processing and to transmission/reception systems utilizing said methods; the present invention is based on the use of LDPC codes, in particular the LDPC code with a 3/5 code rate, in combination with a QAM modulation, in particular the 16QAM or 64QAM or 256QAM modulation; 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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