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METHOD AND APPARATUS FOR DEMULTIPLEXER DESIGN FOR MULTLI-EDGE TYPE LDPC CODED MODULATION
METHOD AND APPARATUS FOR DEMULTIPLEXER DESIGN FOR MULTLI-EDGE TYPE LDPC CODED MODULATION
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机译:多边缘型LDPC编码调制解复用器设计的方法和装置
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摘要
A method involves receiving an LDPC coded bitstream and demultiplexing the received LDPC coded bitstream using an optimized demultiplexer, the optimized demultiplexer being designed by: substituting Q Levels of a constellation mapper by Q parallel binary erasure channels; optimizing a density evolution of erasure probability over said binary erasure channels for a plurality of demultiplexer offsets; and identifying from the plurality of demultiplexer offsets those with a minimum number of check node decoder collisions.
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