GNSS receiver using a combination of velocity integration and precise point positioning
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United States of America Patent
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Mar 9, 2021
Grant Date -
Mar 28, 2019
app pub date -
Mar 31, 2017
filing date -
Apr 1, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
The invention discloses an improved GNSS receiver which determines a location of the receiver by combining a first location determined either from the standard PVT of a multi-frequency receiver and/or from a positioning aid like a map matching algorithm, inertial navigation system, WiFi localization system or other, and a second location determined by integrating the velocity from the standard PVT. The combination is based on a duty cycle or a combination of the duty cycle with a weighting of the error budgets of the first position and the second location. The improved receiver is preferably based on a standard receiver with an add-on software module which receives and processes data transmitted from the standard receiver by, for example, NMEA messages. The improved receiver allows a determination of a more precise and smoother trajectory in a simple way.
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