DTV transmitter and method of coding data in DTV transmitter

Details DTV transmitter and method of coding data in DTV transmitter DTV transmitter and method of coding data in DTV transmitter

2006-08-30

2010-06-15

Payne, David C (Department: 2611)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C375S240010, C375S265000, C714S755000, C714S792000, C714S795000

Reexamination Certificate

active

07739574

ABSTRACT:
A DTV transmitter includes a pre-processor which pre-processes enhanced data by coding the enhanced data for forward error correction (FEC) and expanding the FEC-coded enhanced data, a data formatter which generates enhanced data packets having the pre-processed enhanced data and known data, and a multiplexer which multiplexes the enhanced data packets with main data packets. The DTV transmitter further includes an RS encoder which adds systematic parity data to each main data packet and adds RS parity place holders to each enhanced data packet, and a data interleaver which interleaves the RS-coded main and enhanced data packets and outputs a group of interleaved data packets having a head, a body, and a tail. The body includes a plurality of consecutive enhanced data packets, to which a known data sequence is periodically inserted.

REFERENCES:
patent: 7111221 (2006-09-01), Birru et al.
patent: 7206352 (2007-04-01), Birru et al.
patent: 2002/0085632 (2002-07-01), Choi et al.
patent: 2002/0194570 (2002-12-01), Birru et al.
patent: 2004/0090997 (2004-05-01), Choi et al.
patent: 2005/0249300 (2005-11-01), Jeong et al.
patent: 0 912 008 (1999-04-01), None

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