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Author Galas, Roman
Affiliation Technische Universität Berlin, Institute for Geodesy and Geoinformation Science
E-mail roman.galas@tu-berlin.de
Author Kunzi, Florian
Affiliation Fraunhofer Institute for Integrated Circuits IIS, Erlangen/Nürnberg, Germany
E-mail florian.kunzi@iis.fraunhofer.de
Author Adolfs, Marjolijn
Affiliation Technische Universität Berlin, Institute for Geodesy and Geoinformation Science
E-mail marjolijn.adolfs@campus.tu-berlin.de
Author Overbeck, Matthias
Affiliation Fraunhofer Institute for Integrated Circuits IIS, Erlangen/Nürnberg, Germany
E-mail matthias.overbeck@iis.fraunhofer.de
Author Felber, Wolfgang
Affiliation Fraunhofer Institute for Integrated Circuits IIS, Erlangen/Nürnberg, Germany
E-mail wolfgang.felber@iis.fraunhofer.de
ISSN printed 1733-8670
URI https://repository.scientific-journals.eu/handle/123456789/2645
Abstract The GOOSE (GNSS Receiver with open software interface) Software-Defined Receiver has been developed at the Fraunhofer Institute for Integrated Circuits (IIS) in Nürnberg, Germany. The main motivation for the development of this platform was to control the receiver at all stages, from digital signal processing to the PVT domain, and to enable controlled feedback to the hardware. Besides having access to all raw data including correlation values, the GOOSE receiver also enables for example tight- or ultra-tight integration with an inertial navigation system or other dead reckoning systems, as these kinds of architectures require access to the acquisition and tracking loops. In this paper, the tracking performance of the GOOSE platform was evaluated and compared to a reference receiver (Septentrio PolaRx5S). Several long data sessions were recorded on a “zero baseline” in which both receivers used the same precise geodetic antenna that was also developed at Fraunhofer IIS. The measurements were performed in a harsh environment (obstructions, multipath, possible interferences), as well as on a site with an unobstructed sky view. Quality and performance analyses were performed using raw measurements (in the domain of primary observables) of three civil GPS signals: L1CA, L2CM, and L5. The data were processed using the “zeroEdit” module of the TUB-NavSolutions academic software for education and research. The quality of the raw observables and tracking performance were described by the following parameters: number of cycle slips detected, number of un-correctable cycle slips, number of loss of locks of the signals, number of single epoch data gaps, and the length of carrier phase arcs. The presentation is illustrated with some numerical examples.
Pages 113-120
Publisher Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Akademia Morska w Szczecinie
Keywords local ionospheric perturbations
Keywords scintillations, single autonomous GNSS monitoring station
Keywords continuously monitoring GNSS ground systems
Keywords autonomous power management
Keywords real-time processing
Keywords software- defined receiver
Title Initial analysis of the tracking performance of the GOOSE GNSS Software-Defined Receiver
References
  1. Ayaz, A.S., Ko, S.J., Eissfeller, B., Overbeck, M., Kurz, O. & Stahl, M. (2015) GNSS Receiver Architecture Based on Open Software Interface. 5th International Conference on Indoor Positioning and Indoor Navigation (IPIN).
  2. CONVBIN (2019) [Online] Available from: https://github. com/Fraunhofer-IIS/RTKLIB [Accessed: August 2019]. https://github. com/Fraunhofer-IIS/RTKLIB
  3. Garzia, F., Strobel, C., Overbeck, M., Kumari, N., Joshi, S., Förster, F. & Felber, W. (2016) A Multi-Frequency Multi-Constellation GNSS Development Platform with an Open Interface. 2016 European Navigation Conference (ENC), pp. 1–7.
  4. GitHub (2019) OGRP – the open GNSS receiver protocol. [Online] Available from: https://github.com/Fraunhofer-IIS/ ogrp [Accessed: August 2019]. https://github.com/Fraunhofer-IIS/ ogrp
  5. Overbeck, M., Garzia, F., Popugaev, A., Kurz, O., Föster, F., Felber, W., Ayaz, A.S., Ko, S.J. & Eissfeller, B. (2015) GOOSE GNSS Receiver with an Open Software Interface. Proceedings of the 28th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2015), pp. 3662–3670.
  6. Pany, T., Kaniuth, T. & Eissfeller, B. (2005) Deep Integration of Navigation Solution and Signal Processing. Proceedings of the 18th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2005), pp. 1095–1102.
  7. UNAVCO (2019) TEQC. [Online] Available from: https:// www.unavco.org/software/data-processing/teqc/teqc.html [Accessed: August 2019]. https:// www.unavco.org/software/data-processing/teqc/teqc.html
  8. Won, J.-H., Pany, T. & Hein, G.W. (2006) GNSS Software Defined Radio. Real Receiver or Just a Tool for Experts? Inside GNSS July/August 2006, pp. 48–56. Available from: https://insidegnss.com/wp-content/uploads/2018/01/julyaug06- WP.pdf [Accessed: February 16, 2020]. https://insidegnss.com/wp-content/uploads/2018/01/julyaug06- WP.pdf
ISSN on-line 2392-0378
Language English
Funding No data
Figures 8
Tables 3
DOI 10.17402/446
Published 2020-09-16
Accepted 2020-09-30
Recieved 2020-02-17


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