Simultaneous analog and digital communications with a selection of different signal point constellations based on signal energy
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United States of America Patent
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Jul 25, 1995
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N/A
app pub date -
Jun 14, 1993
filing date -
Jun 14, 1993
priority date (Note) -
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Abstract
An analog signal is added to a data signal that specifies a symbol in a symbol constellation to produce a combined signal that is transmitted to a receiver. The symbol constellation is picked from a plurality of symbol constellations having differing symbol densities based on the amplitude of the analog signal.
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