Demapping for hierarchical Quadrature Amplitude Modulation
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United States of America Patent
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Jun 3, 2014
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app pub date -
Mar 2, 2012
filing date -
Mar 2, 2012
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Abstract
A method and system for demapping a hierarchical signal is disclosed. The method includes receiving a hierarchical signal comprising first and second encoded, modulated signals. A conditional probability relating to the structure of the second encoded, modulated signal is determined. The hierarchical signal is demodulated using the conditional probability to generate a first encoded data stream. The first encoded data stream is decoded to recover information bits.
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