Demodulator with individual bit-weighting algorithm
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United States of America Patent
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Issued Date -
Oct 19, 2006
app pub date -
Apr 15, 2005
filing date -
Apr 15, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and system is disclosed for weighting soft values of a demodulated symbol. An incoming symbol is demodulated for obtaining a plurality of soft values associated with the incoming symbol based on a modulation constellation. An effective signal-to-noise ratio (SNR) of at least one soft value, which is to be a reference for decoding, is obtained, as well as effective SNRs of all other soft values. A set of weights are then calculated for the soft values based on a ratio between each SNR and the reference, wherein the weights are applied to the soft values based on the ratios for further decoding thereof.
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