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Kinematic Precise Point Positioning (PPP) Solution for Hydrographic Applications (7506)

Ashraf Abdallah and Volker Schwieger (Germany)
Mr. Ashraf Abdallah
M.Sc. Eng.
Stuttgart University
Institute of Engineering Geodesy (IIGS)
Stuttgart, Germany
Geschwister-Scholl-Str. 24D
Stuttgart
70174
Germany
 
Corresponding author Mr. Ashraf Abdallah (email: ashraf.abdallah[at]ingeo.uni-stuttgart.de, tel.: 0049- 711- 685-84051)
 

[ abstract ] [ paper ] [ handouts ]

Published on the web 2015-03-31
Received 2014-11-01 / Accepted 2015-02-07
This paper is one of selection of papers published for the FIG Working Week 2015 in Sofia, Bulgaria and has undergone the FIG Peer Review Process.

FIG Working Week 2015
ISBN 978-87-92853-35-6 ISSN 2307-4086
http://www.fig.net/resources/proceedings/fig_proceedings/fig2015/index.htm

Abstract

Precise Point Positioning (PPP) is one of the major research areas in surveying in recent years to obtain cost effectively coordinates using one dual frequency GNSS instrument. The purpose of this study is to investigate the accuracy of the kinematic PPP solution using Bernese software for hydrographic applications. This PPP solution was compared with the double-difference solution from Bernese software. A Virtual SAPOS (SAtellitenPOSitionierungsdienst der deutschen Landesvermessung) reference station was considered as a reference station. Two kinematic trajectories have been observed within project “HydrOs (Integrated Hydrographic Positioning System) on the Rhine River, Duisburg, Germany. This project is launched in co-operation of the department M5 (Geodesy) of the German Federal Institute of Hydrology (BfG) and the Institute of Engineering Geodesy at the University of Stuttgart (IIGS). The first kinematic trajectory shows a standard deviation for kinematic PPP solution of 6 cm in East, 2.1 cm in North and 6.8 cm in height. If 5% of the measurements are eliminated as outliers, the standard deviation values for a confidence level of 95% (SD_(95%)) are 5 cm in East, 1.2 cm in North and 5 cm in height. The second trajectory which started with 40 minutes of quasi-static observation time (non-moving vessel) achieves a more precise solution. The standard deviation values of all measurement are 1.7 cm in East, 2.6 cm in North and 4.9 cm in height. For a confidence level of 95%, the PPP solution provides a standard deviation (SD_(95%)) of 1.5 cm for East and North directions. Moreover, it delivers 3 cm for height.
 
Keywords: Kinematic GNSS-PPP; Hydrographic applications; Bernese software

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