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Communications and power harvesting system for in-pipe wireless sensor networks

  • US 20070209865A1
  • Filed: 12/20/2006
  • Published: 09/13/2007
  • Est. Priority Date: 12/20/2005
  • Status: Active Grant
First Claim
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1. A system for communicating data in confined waveguides containing a fluid, the system comprising:

  • a first node located at a first location of a confined waveguide, the first node comprising;

    a first processor to modulate data for transmission in the confined waveguide; and

    a transmitter unit including a transmitter to convert the modulated data to a transmission signal and a transducer to convert the transmission signal to a propagation signal to propagate via the fluid in the confined waveguide; and

    a second node located at a second location of the confined waveguide at a given distance away from the first node, the second node comprising;

    a receiver unit including a transducer to convert the propagation signal to a received signal and a receiver to convert the received signal to a modulated signal; and

    a second processor coupled to the receiver unit to demodulate the modulated signal to a data signal.

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