Pilot beacon system for indoor positioning
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United States of America Patent
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May 31, 2016
Grant Date -
Apr 4, 2013
app pub date -
Sep 20, 2012
filing date -
Oct 3, 2011
priority date (Note) -
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Abstract
The system and method uses a one or more pilot beacons to more accurately locate the position of an indoor mobile device. Modulation and level control of the co-pilot beacons provides a third dimension, z-axis, of positioning. An augmented Position Determining Entity (“aPDE”) can be used which does not modify the existing PDE in the network, and facilitates and ensures high-integrity information during a 2D to 3D positioning upgrade.
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