Tactical differential GPS

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United States of America Patent

PATENT NO 9423506
APP PUB NO 20150051827A1
SERIAL NO

14345613

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Abstract

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A method for improving an accuracy of a radio based navigation system by correcting the position given by the radio based navigation system with a correction vector derived from localization data stored in a map database. Position coordinates of the radio based navigation system are measured. A set of 3D map data is selected based upon the measured position coordinates of the radio based navigation system position coordinates. The actual position is determined from the selected 3D map data. The actual position data coordinates are retrieved from the 3D map data based upon the determined actual position. The correction vector is calculated from position difference between measured radio based navigation system position coordinates and retrieved actual position coordinates. The position given by the radio based navigation system is corrected with the correction vector.

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Patent Owner(s)

Patent OwnerAddress
SAAB ABSAAB AB LINKÖPING 581 88

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Michel, Rolf Karlskoga, SE 3 7
Persson, Per-Olof Karlskoga, SE 11 190

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