Power line communication system
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United States of America Patent
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Issued Date -
Jul 17, 2003
app pub date -
Aug 2, 2002
filing date -
Aug 4, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Power line communication method and apparatus in which data modulated radio frequency carriers from two different sources are transmitted by the power line, the range of frequencies of the carriers from one source partially overlapping the range of frequencies of the carriers from the other source, and in which carriers of the one source are shifted to frequencies other than the overlapping frequencies when carriers at the overlapping frequencies and from the other source are present on the line. Optionally, the data signal sampling rate can be changed to simplify signal filtering requirements.
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