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Using timing signals to determine proximity between two nodes

  • US 20050114647A1
  • Filed: 03/11/2003
  • Published: 05/26/2005
  • Est. Priority Date: 03/12/2002
  • Status: Abandoned Application
First Claim
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1. A method of determining proximity of a target node to a source node, comprising:

  • communicating a query from the source node to the target node, communicating a response from the target node to the source node, receiving the response at the source node, determining a measure of query-response time between communicating the query and receiving the response, and determining the proximity of the target node based on the measure of query-response time.

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