Apparatus for recovering E8-VSB map information and method thereof
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United States of America Patent
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Aug 25, 2009
Grant Date -
Jul 6, 2006
app pub date -
Dec 19, 2005
filing date -
Dec 20, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A Kerdock decoder of the present invention generates correlation reliability from a relation between correlation values to output together with a Kerdock-decoded map data. A map deciding unit receives a field sync signal, a field identifying signal, the Kerdock-decoded map data and the correlation reliability to identify whether a current field is an odd or even field and whether there is a map change in case of the even field. And, the map deciding unit decides a current map data by performing map acquisition and tracking according to the corresponding result.
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