Hybrid domain block equalizer
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United States of America Patent
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Mar 22, 2011
Grant Date -
Mar 22, 2007
app pub date -
Sep 21, 2006
filing date -
Sep 22, 2005
priority date (Note) -
Expired
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Abstract
The invention provides a method and device for iterative hybrid time-frequency domain block equalization of signals received via a communication channel subject to multipath interference. The equalization method includes frequency-domain equalization of blocks of received signals in a forward path, and time-domain inter-block echo correction and intra-block cyclic echo addition in the feedback path. The invention can be used for equalizing signals transmitted without cyclic prefix and subjected to multi-path interference with long delay spread.
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