Trellis encoder with rate 1/4 and 1/2 for a backward...

Details Trellis encoder with rate 1/4 and 1/2 for a backward... Trellis encoder with rate 1/4 and 1/2 for a backward...

2006-03-28

2006-03-28

Dildine, R. Stephen (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C348S425200, C348S466000, C375S265000, C714S755000

Reexamination Certificate

active

07020828

ABSTRACT:
Robust and existing standard bit streams are mixed in a backward compatible manner for forming enhanced modes for better reception of ATSC DTV signals. This is achieved by an enhanced coding block provided at the input of a conventional ATSC trellis encoder unit. The enhanced coding block comprising a trellis encoder encodes only the robust stream while passing the normal standard stream unaltered.

REFERENCES:
patent: 2002/0181581 (2002-12-01), Birru et al.
patent: 2002/0191712 (2002-12-01), Gaddam et al.
patent: 2002/0194570 (2002-12-01), Birru et al.
patent: 2003/0099303 (2003-05-01), Birru et al.
patent: WO 200147253 (2001-06-01), None
patent: WO 2004057876 (2004-07-01), None
Bretl, W.E.; Touzni, A.; Enhanced VSB system; Consumer Electronics, IEEE Transactions on , vol.: 48 , Issue: 3 , Aug. 2002; pp.: 533-538.
Tawil, V.; Testing enhancements to the ATSC VSB terrestrial digital television standard; Consumer Electronics, 2002. ICCE. 2002 Digest of Technical Papers. International Conference on , Jun. 18-20, 2002; pp.: 150-151.
US010278 U.S. Appl. No.: 10/118,876, pending.
US010173 U.S. Appl. No.: 10/078,933, pending.

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