TEST METHOD OF INTEGRITY OF GPS MEASURING, ERROR DETECTION METHOD IN SPECIAL VEHICLE, MAPPING METHOD AND SYSTEM OF GPS MULTIPATH LEVEL, AND SYSTEM INSTALLED IN VEHICLE FOR TESTING INTEGRITY OF GPS MEASURING

PROBLEM TO BE SOLVED: To provide a method for improving accuracy and integrity of GPS. SOLUTION: This test method of integrity in GPS (global positioning system) measuring for a moving vehicle on the road comprises a step for calculating a 1st inter-vehicle distance between a 1st and a 2nd vehicles...

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Bibliographic Details
Main Authors MOSER MICHAEL, DIETRICH ARNE
Format Patent
LanguageEnglish
Published 03.02.2005
Edition7
Subjects
ANALOGOUS ARRANGEMENTS USING OTHER WAVES
DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES
GYROSCOPIC INSTRUMENTS
LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES
MEASURING
MEASURING DISTANCES, LEVELS OR BEARINGS
NAVIGATION
PHOTOGRAMMETRY OR VIDEOGRAMMETRY
PHYSICS
RADIO DIRECTION-FINDING
RADIO NAVIGATION
SURVEYING
TESTING
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Summary:PROBLEM TO BE SOLVED: To provide a method for improving accuracy and integrity of GPS. SOLUTION: This test method of integrity in GPS (global positioning system) measuring for a moving vehicle on the road comprises a step for calculating a 1st inter-vehicle distance between a 1st and a 2nd vehicles running on the road based on GPS measurements obtained on these two vehicles, a step for separately calculating 2nd inter-vehicle distance between two vehicles based on relative motion of those 1st and 2nd vehicles obtained by using an Inertial Navigation System(INS) sensor in those two vehicles, and a step for comparing the 1st inter-vehicle distance and the 2nd inter-vehicle distance to check integrity in the GPS measuring depending on whether the 1st inter-vehicle distance equals the 2nd one or not. COPYRIGHT: (C)2005,JPO&NCIPI
Bibliography:Application Number: JP20040200662