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Transmitter location for ultra-wideband, transmitted-reference CDMA communication system

  • US 20040002347A1
  • Filed: 06/30/2003
  • Published: 01/01/2004
  • Est. Priority Date: 10/09/2001
  • Status: Active Grant
First Claim
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1. A method for determining a location of an object within an area of interest, comprising:

  • transmitting wireless signals from a plurality of objects to at least three receivers;

    calculating, at each of the at least three receivers, time difference of arrival information based on the wireless signals; and

    determining a location of at least one of the objects within said area of interest based on said time difference of arrival information.

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