2021
DOI: 10.1002/navi.410
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A low complexity smoothing algorithm for improved GPS point solutions on board LEO spacecraft

Abstract: This paper describes a novel approach for reducing the kinematic position and time errors on a GPS receiver in low Earth orbit. For dual‐frequency GPS receivers, point solution errors are dominated by signal‐in‐space ranging errors, which introduce sharp discontinuities in the position and time estimates when GPS visibility changes. These discontinuities may be calculated and removed, greatly reducing the peaks of the errors, at the expense of introducing a slowly varying bias, which is estimated and removed. … Show more

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Cited by 2 publications
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