Differential decoder followed by non-linear compensator
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United States of America Patent
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Nov 10, 2009
Grant Date -
Jan 19, 2006
app pub date -
Jul 24, 2003
filing date -
Aug 2, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A receiver including a (differential-quadrature-) phase-shift-keying demodulator (4) and a differential detector (10) having a decoder (19), is provided with a non-linear compensator (20) for compensating the decoder output siqnal for (part of) an interference term, to improve the decoding process and to reduce the number of incorrect decisions. The non-linear compensator (20) includes a channel estimator (22) for estimating a coefficient of a term of the decoder output siqnal and removers (21,23) for removing the term from the decoder output signal.
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