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A GPS receiver measures the distance to a satellite using the travel time of radio signals. By accurately measuring the distance from 3 satellites it is possible to find your position anywhere on Earth. For GPS to work we must be able to 1) measure travel time very accurately, 2) know the exact location...
Method for estimating the delay of a GPS measurement in a moving vehicle compared to at least one recorded vehicle dynamics parameter.
Method for estimating a delay of a GPS measurement in a moving vehicle compared to at least one recorded vehicle dynamics parameter, characterized in that a) the first vehicle dynamics parameter or a parameter derived therefrom is compared with a first threshold, b) if the first vehicle dynamics parameter or parameter derived therefrom has remained below the first threshold for a first predetermined period of time, but subsequently exceeds the first threshold for a predetermined second period of time, c) a reference time is determined and at least from this reference time the first vehicle dynamics parameter or a parameter derived therefrom is compared with a reference parameter derived from the GPS measurement and the delay of the GPS measurement is estimated from this.
Owner:CONTINENTAL AUTOMOTIVE TECHNOLOGIES GMBH