Communication methods and apparatus
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United States of America Patent
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N/A
Issued Date -
Jul 28, 2005
app pub date -
Dec 20, 2004
filing date -
Oct 2, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
This invention generally relates to methods and apparatus for radio frequency communications over mains power cabling and other wiring, in particular communications at microwave frequencies. Embodiments of the invention are particularly suitable for ultra wideband (UWB) communications. A method of communicating a microwave signal having a frequency of 1 GHz or higher using a cable comprising at least one conductor, the method comprising: positioning a transmit antenna at a transmission point on said cable at a distance from said cable to couple said microwave signal into said cable; driving said transmit antenna with said microwave signal to induce onto said cable a propagating wave to propagate along said cable; positioning a receive antenna to receive an electromagnetic signal generated by said propagating wave; receiving a version of said microwave signal using said receive antenna
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