Real-time single-frequency precise point positioning

Accuracy assessment

Journal article (2011)
Department
Remote Sensing (Aerospace Engineering) (TU Delft)
Copyright: This article is published with open access at Springerlink.com
DOI: https://doi.org/doi:10.1007/s10291-011-0228-6
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Published Date

05-07-2011

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Source:

Gps Solutions, 2011

Faculty

Aerospace Engineering

Department

Remote Sensing

Abstract

The performance of real-time single-frequency precise point positioning is demonstrated in terms of position accuracy. This precise point positioning technique relies on predicted satellite orbits, predicted global ionospheric maps, and in particular on real-time satellite clock estimates. Results are presented using solely measurements from a user receiver on the L1-frequency (C1 and L1), for almost 3 months of data. The empirical standard deviations of the position errors in North and East directions are about 0.15 m, and in Up direction about 0.30 m. The 95% errors are about 0.30 m in the horizontal directions, and 0.65 m in the vertical. In addition, single-frequency results of six receivers located around the world are presented. This research reveals the current ultimate real-time single-frequency positioning performance. To put these results into perspective, a case study is performed, using a moderately priced receiver with a simple patch antenna.

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