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High-precision 3D position-finding system

  • US 20030220092A1
  • Filed: 02/21/2003
  • Published: 11/27/2003
  • Est. Priority Date: 02/22/2002
  • Status: Active Grant
First Claim
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1. A precise 3D position-finding system comprising at least the following elements:

  • a set of beacons working on the basis of differential global positioning satellites (DGPS), the beacons being connected to one another and temporally synchronized, spread-spectrum radio means between the members of the network whose position is to be located and said beacons, and a computation station, wherein the computation station is provided with a processor adapted to finding the position of one or more elements from a list of direct paths and/or multiple paths with the time and direction of arrival of each of the direct paths and/or multiple paths, and from the position of the beacons and in taking account of data that represents obstacles.

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