Frame synchronization and structure detection method in...

Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via time channels

Reexamination Certificate

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C375S365000

Reexamination Certificate

active

08085818

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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Feng-Wen Sun et al., “Frame synchronization and pilot structure for second generation DVB via satellites”, Int. J. Satell. Commun. Network, vol. 22, pp. 319-339, 2004.

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