Frame synchronization and structure detection method in DVB-S2 system
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United States of America Patent
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Dec 27, 2011
Grant Date -
Jan 14, 2010
app pub date -
Oct 31, 2007
filing date -
Dec 8, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Provided is a method for detecting frame sync and frame structure in a satellite broadcasting system. The method for detecting frame sync and frame structure includes the steps of: calculating differential correlation values of reception symbols; generating index sequences of reception symbols whose differential correlation values calculated above exceed a threshold value; calculating positions estimated as frame start points which correspond to a total frame number based on the number of symbols per frame for each frame structure; and detecting frame sync and frame structure based on the umber of positions where the above-calculated frame start point estimated positions and the above-generated index sequences are matched.
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