MODULATION/DEMODULATION METHOD, DEMODULATION APPARATUS, AND CODE MODULATION METHOD
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United States of America Patent
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Issued Date -
Nov 20, 2014
app pub date -
May 15, 2014
filing date -
May 20, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Patterns that might be generated due to a burst error are prepared beforehand. These patterns are formed by shifting all “1”s in an original channel word. A list of these patterns generated as described above is retrieved in parallel with a general conversion table during demodulation. When the demodulation is interrupted due to the burst error, the result of the retrieval of the previous pattern is referred to, and when there is a hit, the error is regarded as the burst error of the original channel word, and the demodulation is continued.
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