Apparatus for recovering E8-VSB map information and method...

Details Apparatus for recovering E8-VSB map information and method... Apparatus for recovering E8-VSB map information and method...

2005-12-19

2009-08-25

Liu, Shuwang (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Amplitude modulation

C375S362000, C375S150000, C375S152000, C375S142000, C375S143000, C341S050000, C341S051000, C341S067000

Reexamination Certificate

active

07580470

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.

REFERENCES:
patent: 5926488 (1999-07-01), Khayrallah
patent: 6924753 (2005-08-01), Bretl et al.
patent: 2003/0169189 (2003-09-01), Bretl et al.

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