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Method and system for using indirect paths of ultra wideband signals to localize a wireless communication node on a body

  • US 9,389,303 B2
  • Filed: 08/23/2011
  • Issued: 07/12/2016
  • Est. Priority Date: 09/16/2010
  • Status: Active Grant
First Claim
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1. A method for locating a first wireless communication node attached to a mobile body, said first node being within transmission range of at least one second node also attached to said mobile body, said nodes being able to transmit or receive radiofrequency signals, said method comprising:

  • performing at least one measurement of time of flight of an indirect path of ultra wideband signal transmitted between the first node and the second node, said path arising from a single reflection on a surface external to said body, between the first node and the second node; and

    utilizing said time of flight measurement to locate the first node at least with respect to the second node.

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