Error protection of linearly coded digital signals
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United States of America Patent
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-
Apr 28, 1987
Grant Date -
N/A
app pub date -
Dec 4, 1984
filing date -
Apr 11, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for error-correcting a digital signal by reception of an error-protected digital signal including error correction information and further information representing a parameter of the signal in each of a plurality of blocks of digital information present in the signal, deriving the further information from the signal, decoding error protection information from the signal, deriving protected signal information and separating it into blocks, correcting errors in each block of protected digital information in response to information derived from the further information and the error protection information including pre-correcting the protected digital information using the further information and error-correcting the thus pre-corrected signal using the error protection information.
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