Simultaneous inbound multi-channel communication system using electricity distribution network
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United States of America Patent
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Oct 16, 1990
Grant Date -
N/A
app pub date -
Oct 16, 1989
filing date -
Oct 16, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A communication system with six simultaneous independent inbound channels is disclosed which uses the voltage waveform of an electricity distribution network as a carrier. The manner in which the inbound channels are identified as well as how various sets of such independent channels can be found is disclosed. Identification of sets or groups of such independent channels involves identifying all potential channels and calculating the detection algorithm for each. Pure pulse patterns for binary '1's for each channel are then multiplied by the detection algorithms for every channel to generate a matrix whose elements include the application of all the detection algorithms to all the aforementioned pulse patterns. Examination of qualifying elements of the matrix allow the identification of sets of mutually non-interfering channels.
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