Method and apparatus for transmitting and receiving a symbol over pots wiring using a multi-cycle waveform
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United States of America Patent
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Jan 13, 2004
Grant Date -
N/A
app pub date -
Sep 15, 1998
filing date -
Sep 15, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of transmitting information over POTS wiring includes transmitting a first delimiter signal, in the form of a multi-cycle waveform having a frequency of approximately 7.5 MHz, over the POTS wiring. A second delimiter signal, also comprising a multi-cycle waveform, is then later propagated over the POTS wiring. The time duration between the respective propagations of the first and second delimiter signals defines a symbol, which encodes information. The time duration is also such that reflections on the carrier medium resulting from the propagation of the first delimiter signal decay to a predetermined level prior to propagation of the second delimiter signal.
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