Digital communication system for transmitting and receiving robustly encoded data
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United States of America Patent
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Feb 7, 2006
Grant Date -
Jan 3, 2002
app pub date -
Mar 13, 2001
filing date -
Apr 18, 2000
priority date (Note) -
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Abstract
Normally ordered robust VSB data are reordered in accordance with a first interleave to produce reordered robust VSB data, The reordered robust VSB data and ATSC data are reordered in accordance with a second interleave to produce normally ordered robust VSB data and reordered ATSC data. The normally ordered robust VSB data and reordered ATSC data are time multiplexed for transmission to a receiver. The receiver discards the reordered ATSC data or the normally ordered robust VSB data depending upon receiver type or user selection. A robust VSB receiver is able to process the normally ordered robust VSB data upstream of an outer decoder without an interleave thereby avoiding the delay associated with an interleave.
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