Error detection/correction and fault detection/recovery – Pulse or data error handling – Digital data error correction
Reexamination Certificate
2006-08-30
2010-06-01
Chase, Shelly A (Department: 2112)
Error detection/correction and fault detection/recovery
Pulse or data error handling
Digital data error correction
Reexamination Certificate
active
07730386
ABSTRACT:
The present invention relates to a digital television (DTV) transmitter/receiver. In the DTV transmitter, enhanced data is pre-processed by coding the enhanced data for forward error correction (FEC) and expanding the FEC-coded enhanced data. Enhanced data packets are generated including the pre-processed enhanced data and known data is inserted to at least one of the enhanced data packets. The enhanced data packets are multiplexed main data packets including main data. An RS encoder RS-codes the multiplexed main and enhanced data packets, the RS encoder adding systematic parity data to each main data packet and adding RS parity place holders to each enhanced data packet. The RS encoder may also insert non-systematic RS parity data or null data into the RS parity place holders included in each enhanced data packet.
REFERENCES:
patent: 7111221 (2006-09-01), Birru et al.
patent: 2006/0088119 (2006-04-01), Fu et al.
patent: 1582580 (2005-02-01), None
patent: 10-2003-0026236 (2003-03-01), None
Touzni et al., Ehanced 8-VSB transmission for North-American HDTV Terrestrial broadcast, 2003, IEEE, p. II-437-II-440.
ATSC, “ATSC Standard: Digital Television Standard (A/53), Revision D, Including Amendment No. 1”, ATSC Doc. A/53D, Jul. 19, 2005.
Choi In Hwan
Hong Sung Ryong
Hong Young Jin
Kang Kyung Won
Koo Ja Hyuk
Chase Shelly A
Lee Hong Degerman Kang & Waimey
LG Electronics Inc.
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