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Reliable GPS + BDS RTK positioning with partial ambiguity resolution

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An Erratum to this article was published on 07 February 2017

Abstract

Reliable carrier phase positioning requires the occurrence of incorrect integer ambiguity estimates to be limited to a maximum tolerable rate. In various simulation studies, partial ambiguity resolution (PAR) techniques were shown to be beneficial, since it is more likely that a subset of all ambiguities can be reliably resolved rather than the full set. Consequently, they allow for improved positioning capabilities such as faster solutions or a higher availability of instantaneous centimeter level coordinate estimates. We analyze the impact of PAR on the performance of single and combined GPS and BDS single-epoch dual-frequency real-time kinematic (RTK) positioning. It will be demonstrated that we can expect a wider range for reliable instantaneous RTK positioning when using PAR techniques. Real global navigation satellite system data from a 22.4 km baseline are used to verify the benefit of PAR. The availability of centimeter level positioning results will be shown to be significantly increased compared to conventional full ambiguity resolution.

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Acknowledgements

The GNSS data used in this contribution were provided by the multi-GNSS experiment (MGEX) by the international GNSS service (IGS) and by the GNSS Research Centre at Curtin University, Perth, Australia.

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  1. The institute for Communications and Navigation, Technische Universität München (TUM), Arcisstrasse 21, 80333, Munich, Germany

    Andreas Brack

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  1. Andreas Brack
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Correspondence to Andreas Brack.

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The original version of this article was revised: Some expressions in the math environment in Equations 2, 6, 10 and 11 were displayed incorrectly in the PDF version of the published article.

An erratum to this article is available at http://dx.doi.org/10.1007/s10291-017-0600-2.

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Brack, A. Reliable GPS + BDS RTK positioning with partial ambiguity resolution. GPS Solut 21, 1083–1092 (2017). https://doi.org/10.1007/s10291-016-0594-1

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  • DOI: https://doi.org/10.1007/s10291-016-0594-1

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