Adaptive channel equalizer having a training mode
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United States of America Patent
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Feb 17, 2004
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N/A
app pub date -
Dec 22, 1998
filing date -
Dec 22, 1998
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Abstract
An adaptive channel equalizer (50) for processing a demodulated VSB signal containing terrestrial broadcast high definition television information operates adaptively in blind, training, and decision-directed modes. The VSB signal is characterized by a data frame format (FIG. 2) constituted by a succession of data fields each containing a data segment prefaced by a field sync segment. Equalization is expedited by recycling (35) received training data through the equalizer more than once during a VSB data field after a field sync segment is detected.
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