Robust reception of digital broadcast transmission
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United States of America Patent
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N/A
Issued Date -
Feb 3, 2005
app pub date -
Jan 15, 2004
filing date -
Jul 19, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A method and apparatus for improving the reception of digitally modulated signals. A main signal and a supplemental signal are provided in the transmitter. The signals may be substantially identical except that the supplemental signal is advanced in time with respect to the main signal. The main and supplemental signals are sent from the transmitter to the receiver modulated on a signal. At the receiver, the supplemental signal is stored in a buffer. If the main signal is undesirably changed during transmission, corresponding portions of the supplement signal are substituted for the undesired portions of the main signal.
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