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Testing the Positioning Accuracy of GNSS Solutions during the Tramway Track Mobile Satellite Measurements in Diverse Urban Signal Reception Conditions

Author

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  • Mariusz Specht

    (Department of Transport and Logistics, Gdynia Maritime University, Morska 81-87, 81-225 Gdynia, Poland)

  • Cezary Specht

    (Department of Geodesy and Oceanography, Gdynia Maritime University, Morska 81-87, 81-225 Gdynia, Poland)

  • Andrzej Wilk

    (Department of Electrified Transportation, Gdańsk University of Technology, Gabriela Narutowicza 11-12, 80-233 Gdańsk, Poland)

  • Władysław Koc

    (Department of Rail Transportation and Bridges, Gdańsk University of Technology, Gabriela Narutowicza 11-12, 80-233 Gdańsk, Poland)

  • Leszek Smolarek

    (Department of Transport and Logistics, Gdynia Maritime University, Morska 81-87, 81-225 Gdynia, Poland)

  • Krzysztof Czaplewski

    (Department of Geodesy and Oceanography, Gdynia Maritime University, Morska 81-87, 81-225 Gdynia, Poland)

  • Krzysztof Karwowski

    (Department of Electrified Transportation, Gdańsk University of Technology, Gabriela Narutowicza 11-12, 80-233 Gdańsk, Poland)

  • Paweł S. Dąbrowski

    (Department of Geodesy and Oceanography, Gdynia Maritime University, Morska 81-87, 81-225 Gdynia, Poland)

  • Jacek Skibicki

    (Department of Electrified Transportation, Gdańsk University of Technology, Gabriela Narutowicza 11-12, 80-233 Gdańsk, Poland)

  • Piotr Chrostowski

    (Department of Rail Transportation and Bridges, Gdańsk University of Technology, Gabriela Narutowicza 11-12, 80-233 Gdańsk, Poland)

  • Jacek Szmagliński

    (Department of Rail Transportation and Bridges, Gdańsk University of Technology, Gabriela Narutowicza 11-12, 80-233 Gdańsk, Poland)

  • Sławomir Grulkowski

    (Department of Rail Transportation and Bridges, Gdańsk University of Technology, Gabriela Narutowicza 11-12, 80-233 Gdańsk, Poland)

  • Sławomir Judek

    (Department of Electrified Transportation, Gdańsk University of Technology, Gabriela Narutowicza 11-12, 80-233 Gdańsk, Poland)

Abstract

Mobile Global Navigation Satellite System (GNSS) measurements carried out on the railway consist of using satellite navigation systems to determine the track geometry of a moving railway vehicle on a given route. Their purposes include diagnostics, stocktaking, and design work in railways. The greatest advantage of this method is the ability to perform measurements in a unified and coherent spatial reference system, which effectively enables the combining of design and construction works, as well as their implementation by engineering teams of diverse specialties. In the article, we attempted to assess the impact of using three types of work mode for a GNSS geodetic network [Global Positioning System (GPS), GPS/Global Navigation Satellite System (GLONASS) and GPS/GLONASS/Galileo] on positioning availability at three accuracy levels: 1 cm, 3 cm and 10 cm. This paper presents a mathematical model that enables the calculation of positioning availability at these levels. This model was also applied to the results of the measurement campaign performed by five GNSS geodetic receivers, made by a leading company in the field. Measurements with simultaneous position recording and accuracy assessment were taken separately on the same route for three types of receiver settings: GPS, GPS/GLONASS and GPS/GLONASS/Galileo in an urban area typical of a medium-sized city. The study has shown that applying a two-system solution (GPS/GLONASS) considerably increases the availability of high-precision coordinates compared to a single-system solution (GPS), whereas the measurements with three systems (GPS/GLONASS/Galileo) negligibly increase the availability compared to a two-system solution (GPS/GLONASS).

Suggested Citation

  • Mariusz Specht & Cezary Specht & Andrzej Wilk & Władysław Koc & Leszek Smolarek & Krzysztof Czaplewski & Krzysztof Karwowski & Paweł S. Dąbrowski & Jacek Skibicki & Piotr Chrostowski & Jacek Szmaglińs, 2020. "Testing the Positioning Accuracy of GNSS Solutions during the Tramway Track Mobile Satellite Measurements in Diverse Urban Signal Reception Conditions," Energies, MDPI, vol. 13(14), pages 1-19, July.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:14:p:3646-:d:384753
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    References listed on IDEAS

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    1. Tomasz Szot & Cezary Specht & Mariusz Specht & Pawel S Dabrowski, 2019. "Comparative analysis of positioning accuracy of Samsung Galaxy smartphones in stationary measurements," PLOS ONE, Public Library of Science, vol. 14(4), pages 1-19, April.
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    Cited by:

    1. Mariusz Specht & Cezary Specht & Paweł Dąbrowski & Krzysztof Czaplewski & Leszek Smolarek & Oktawia Lewicka, 2020. "Road Tests of the Positioning Accuracy of INS/GNSS Systems Based on MEMS Technology for Navigating Railway Vehicles," Energies, MDPI, vol. 13(17), pages 1-26, August.
    2. Łukasz Marchel & Cezary Specht & Mariusz Specht, 2020. "Assessment of the Steering Precision of a Hydrographic USV along Sounding Profiles Using a High-Precision GNSS RTK Receiver Supported Autopilot," Energies, MDPI, vol. 13(21), pages 1-19, October.
    3. Mariusz Specht & Cezary Specht & Andrzej Stateczny & Paweł Burdziakowski & Paweł Dąbrowski & Oktawia Lewicka, 2022. "Study on the Positioning Accuracy of the GNSS/INS System Supported by the RTK Receiver for Railway Measurements," Energies, MDPI, vol. 15(11), pages 1-17, June.

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