Method and apparatus for detecting a plurality of symbol blocks using a decoder
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United States of America Patent
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Jan 14, 2014
Grant Date -
Dec 20, 2012
app pub date -
Aug 24, 2012
filing date -
Dec 1, 2009
priority date (Note) -
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Abstract
Teachings presented herein offer a technique for using a demodulator to improve a demodulation process. For example, a demodulation unit according to an embodiment of the present invention may be a multi-stage demodulator and may include: a demodulator configured to receive a baseband signal and configured to produce modem bit likelihood values based on the received baseband signal; a decoder configured to receive and process the modem bit likelihood values to produce improved modem bit likelihood values; a candidate value generator configured to produce, based on the improved modem bit likelihood values, candidate symbol values for a group of one or more symbols; and a detector configured to receive the baseband signal and the candidate symbol values and configured to produce one of (a) final modem bit estimates and (b) candidate symbol values for a group of symbols.
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