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Distance/ranging determination using relative phase data

  • US 20050237953A1
  • Filed: 03/14/2005
  • Published: 10/27/2005
  • Est. Priority Date: 06/06/2000
  • Status: Active Grant
First Claim
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1. A method of determining distance between a signal source and a multi-channel signal receiver, the method comprising:

  • obtaining successive readings on the multi-channel receiver of a signal from the signal source;

    measuring phase information of each signal on the channels of the multi-channel receiver to generate measured phase information; and

    determining a relationship between the receiver and the signal source by using the measured phase information, the relationship comprising actual distance between the signal source and the multi-channel receiver.

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