Radio receiver and method for channel estimation
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United States of America Patent
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Feb 18, 2014
Grant Date -
Jul 14, 2011
app pub date -
Jan 13, 2010
filing date -
Jan 13, 2010
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Abstract
A radio receiver includes an input terminal to receive a first radio signal, an equalizer, coupled to the input terminal, to equalize the first radio signal and to output an equalized signal and a first channel estimator, coupled to the input terminal and the equalizer, to estimate first channel parameters by using the first radio signal and a signal derived from the equalized signal. The radio receiver may contain a controller implementing a HARQ protocol and a HARQ buffer to store likelihood information based on the equalized signal. The radio receiver may contain a reconstruction unit to provide the signal derived from the equalized signal based on a content of the HARQ buffer.
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