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Fundamentals of Kalman Filtering and Applications to GNSS

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Clock Estimation<br />

• Clock estimation uncertainties vs. clock stability<br />

– For stationary receiver with good satellite geometries<br />

– Under such ideal conditions, clock stability does not severely<br />

compromise location uncertainty<br />

– But it does compromise clock synchronization (frequency<br />

tracking)<br />

– Tends <strong>to</strong> corrupt the navigation solution<br />

– See plot<br />

<strong>Kalman</strong> <strong>Filtering</strong> Consultant Associates © 2011<br />

36

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