Equalizer for a VSB receiver enabling equalizations using segment synchronization information
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United States of America Patent
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May 15, 2007
Grant Date -
Dec 4, 2003
app pub date -
Apr 2, 2003
filing date -
May 28, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
An equalizer for a VSB receiver, which enables equalizations using segment synchronization information, has an extraction unit extracting the segment synchronization information included in the VSB broadcast signal, a storage unit storing the extracted segment synchronization information, and an equalization unit equalizing the VSB broadcast signal based on the segment synchronization information stored in the storage unit. The storage unit stores the segment synchronization information extracted from the extraction unit by field unit or by unit of N data segments within the field according to a channel state. More stable equalizations can be carried out in channel environment changes by storing segment synchronization information by the predetermined number of data segments and equalizing data within a corresponding data segment in a training mode while using the segment synchronization information every matching number of data segments.
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