Data frame format for a digital signal having multiple data constellations
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United States of America Patent
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Oct 14, 1997
Grant Date -
N/A
app pub date -
Apr 6, 1995
filing date -
Dec 29, 1993
priority date (Note) -
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Abstract
A data frame structure for a digital information signal comprises a first fixed number of repetitive data segments each containing a second fixed number of M-level symbols representing a plurality of data bytes and a data segment sync character. The frame further includes a header segment including a frame sync code and a mode code defining the value of M for the data frame. The data frame incorporates error correction blocks and is configured to provide an integral number of data bytes and error correction blocks for each of a plurality of different values of M.
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