QANI Trellis-coded signal structure
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United States of America Patent
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Apr 21, 1987
Grant Date -
N/A
app pub date -
Aug 1, 1985
filing date -
Aug 1, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A signal structure for high speed Trellis coded data communications selects each signal point in the structure to attain a low probability of error in the presence of both additive noise and multiplicative noise. Viterbi decoding is modified to take account of the multiplicative noise energy content of the received signal.
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