Vol. 3 No. 1 (2023)
Articles

Examination of the Performance of Precise Point Positioning Technique with Real-Time Products on Smartphones

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  • Barış Karadeniz,
  • Hüseyin Pehlivan,
  • Barışcan Arı
Barış Karadeniz
Gebze Technical University

Published 2023-03-24

Keywords

  • Smartphones,
  • Single-Frequency,
  • GNSS,
  • N-RT-PPP

How to Cite

Karadeniz, B., Pehlivan, H. ., & Arı, B. (2023). Examination of the Performance of Precise Point Positioning Technique with Real-Time Products on Smartphones. Advanced Geomatics, 3(1), 33–39. Retrieved from https://publish.mersin.edu.tr/index.php/geomatics/article/view/824

Copyright (c) 2023 Advanced Geomatics

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

Abstract

This study evaluates the performance of a single-frequency GPS (Global Positioning System) positioning technique under real-time conditions using a smartphone. To assess the performance of the smartphone, GPS observations were recorded with the Geo++ RINEX Logger application on a Xiaomi Redmi Note 8 Pro and compared with measurements taken using a geodetic-grade CHC I80 GNSS receiver. Raw observation data were processed using Real Time-Precise Point Positioning (RT-PPP) technique with real-time satellite orbit and clock correction products produced by 4 different analysis centers (IGS, CNES, JAXA and Wuhan University). According to the results, it was seen that 4 different solutions made with only-GPS observations were consistent with each other both horizontal and vertical at millimeter level. In addition, an improvement of 89% to 98% was achieved in the root mean squared errors (RMSE) after convergence. Overall, this study demonstrates the potential of using single-frequency GPS observations on smartphones for real-time precise point positioning, which could have important applications in various fields including surveying, navigation, and location-based services.

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