Error detection/correction and fault detection/recovery – Pulse or data error handling – Digital data error correction
Reexamination Certificate
2011-01-25
2011-01-25
Rizk, Sam (Department: 2112)
Error detection/correction and fault detection/recovery
Pulse or data error handling
Digital data error correction
C714S746000, C375S341000
Reexamination Certificate
active
07877673
ABSTRACT:
A DTV transmitter includes a pre-processor pre-processing enhanced data, a data formatter generating enhanced data packets including the pre-processed enhanced data, and a multiplexer multiplexing the enhanced data packets with main data packets. The transmitter further includes an RS encoder RS-coding the multiplexed packets by adding systematic RS parity data to each main data packet and by adding non-systematic RS parity place holders to each enhanced data packet, and a data interleaver interleaving the RS-coded packets. The non-systematic RS parity place holders are placed after the enhanced data within each interleaved enhanced data packet, and a sequence of known data place holders is periodically included in the interleaved enhanced data packets.
REFERENCES:
patent: 7111221 (2006-09-01), Birru et al.
patent: 7653143 (2010-01-01), Kim et al.
patent: 2001/0034867 (2001-10-01), Jaffe et al.
patent: 2005/0097428 (2005-05-01), Chang et al.
patent: 10-2001-0111667 (2001-12-01), None
patent: 02-080559 (2002-10-01), None
Choi In Hwan
Kang Kyung Won
Kwak Kook Yeon
Lee Hong Degerman Kang & Waimey
LG Electronics Inc.
Rizk Sam
LandOfFree
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