Receiver for differentially modulated multicarrier signals
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United States of America Patent
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Sep 25, 2012
Grant Date -
May 21, 2009
app pub date -
Nov 19, 2008
filing date -
Nov 20, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to receivers and methods for receiving multi-carrier differentially modulated signals utilizing iterative decision-directed differential detection. The receiver includes a decision feedback loop including a channel estimator for estimating inter-symbol channel variations, and a differential equalizer for correcting channel-induced errors in a differentially detected signal based on the estimated inter-symbol channel variations.
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