gyroscopyГироскопия и навигацияGiroskopiya i Navigatsiya / Gyroscopy and Navigation0869-70352075-0927AO «Концерн «ЦНИИ «Электроприбор»10.17285/0869-7035.00108gyroscopy-112Research ArticleСтатьиУчет дифференциальных кодовых задержек многосистемных ГНСС-измерений при позиционировании в режиме реального времени методом Precise Point PositioningConsideration for Differential Code Biases in Multi-GNSS Measurements in Real-Time Precise Point PositioningДолинС. В.DolinS. V.

Долин Сергей Владимирович, аспирант, ассистент кафедры космической и физической геодезии 

Новосибирск 

Novosibirsk 

Сибирский государственный университет геосистем и технологий; инженер, НИИ Стратегического развитияРоссияSiberian State University of Geosystems and Technologies; Research Institute of Strategic DevelopmentRussian Federation202220052025304142151Copyright © Долин С.В., 20252025Долин С.В.Dolin S.V.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.gyroscopy.ru/jour/article/view/112

В статье экспериментально доказана значимость учета дифференциальных кодовых задержек (ДКЗ) (Differential Code Bias) при определении координат методом Precise Point Positioning (PPP) по данным многосистемных ГНСС-измерений (GPS, ГЛОНАСС, Galileo). Благодаря учету ДКЗ существенно сокращается время сходимости навигационного решения. Описаны потребовавшиеся для проведения эксперимента изменения в программном обеспечении RTKLIB, позволяющие учитывать ДКЗ в реальном времени.

The article experimentally proves the importance of applying Differential Code Biases (DCB) when determining coordinates by Precise Point Positioning (PPP) based on multiGNSS measurements (GPS, GLONASS, Galileo). The application of DCB significantly reduces the convergence time of the navigation solution. Modifications to RTKLIB software required for the experiment are described, which allow applying the DCB in real time.

навигацияГНССмульти-ГНССмультичастотные измерениядифференциальные кодовые задержкиPrecise Point PositioningRTKLIBnavigationGNSSmulti-GNSSmulti-frequency measurementsdifferential code biasPrecise Point PositioningRTKLIBРабота выполнена при поддержке СЧ НИР «ГЕОТЕХ-Квант» 121111600209-4.ReferencesWang, N., Yuan, Y., Li, Z., Montenbruck, O., Tan, B., Determination of differential code biases with multi-GNSS observations, J. Geod., 2016, vol. 90, no. 3, pp. 209–228.Wang, N., Yuan, Y., Li, Z., Montenbruck, O., Tan, B., Determination of differential code biases with multi-GNSS observations, J. Geod., 2016, vol. 90, no. 3, pp. 209–228.Montenbruck, O., Hauschild, A., Steigenberger, P., Differential Code Bias Estimation using Multi-GNSS Observations and Global Ionosphere Maps: Mulit-GNSS DCB Estimation, Navigation, 2014, vol. 61, no. 3, pp. 191–201.Montenbruck, O., Hauschild, A., Steigenberger, P., Differential Code Bias Estimation using Multi-GNSS Observations and Global Ionosphere Maps: Mulit-GNSS DCB Estimation, Navigation, 2014, vol. 61, no. 3, pp. 191–201.Schaer, S., SINEX BIAS – Solution (Software/technique) Independent Exchange Format for GNSS Biases Version 1.00, IGS Workshop on GNSS Biases, 2015, Bern, Switzerland, 52 p.Schaer, S., SINEX BIAS – Solution (Software/technique) Independent Exchange Format for GNSS Biases Version 1.00, IGS Workshop on GNSS Biases, 2015, Bern, Switzerland, 52 p.Li, Z., Yuan, Y., Li, H., Ou, J., Huo, X., Two-step method for the determination of the differential code biases of COMPASS satellites, J. Geod., 2012, vol. 86, no. 11, pp. 1059–1076.Li, Z., Yuan, Y., Li, H., Ou, J., Huo, X., Two-step method for the determination of the differential code biases of COMPASS satellites, J. Geod., 2012, vol. 86, no. 11, pp. 1059–1076.GNSS Differential Code Bias Product [Электронный ресурс]. URL: https://cddis.nasa.gov/archive/gnss/products/bias/.GNSS Differential Code Bias Product [Электронный ресурс]. URL: https://cddis.nasa.gov/archive/gnss/products/bias/.RINEX. The Receiver Independent Exchange Format. Version 4.00, 2021.RINEX. The Receiver Independent Exchange Format. Version 4.00, 2021.Bahadur, B., Nohutcu, M., Comparative analysis of MGEX products for post-processing multi-GNSS PPP, Measurement, 2019, vol. 145, pp. 361–369.Bahadur, B., Nohutcu, M., Comparative analysis of MGEX products for post-processing multi-GNSS PPP, Measurement, 2019, vol. 145, pp. 361–369.Kiliszek, D., Kroszczyński, K., Performance of the precise point positioning method along with the development of GPS, GLONASS and Galileo systems, Measurement, 2020, vol. 164, p. 108009.Kiliszek, D., Kroszczyński, K., Performance of the precise point positioning method along with the development of GPS, GLONASS and Galileo systems, Measurement, 2020, vol. 164, p. 108009.Xu, Y., Yang, Y., Li, J., Performance evaluation of BDS-3 PPP-B2b precise point positioning service, GPS Solut., 2021, vol. 25, no. 4, p. 142.Xu, Y., Yang, Y., Li, J., Performance evaluation of BDS-3 PPP-B2b precise point positioning service, GPS Solut., 2021, vol. 25, no. 4, p. 142.Zumberge, J.F., Heflin, M.B., Jefferson, D.C., Watkins, M.M., Webb, F.H., Precise point positioning for the efficient and robust analysis of GPS data from large networks, J. Geophys. Res. Solid Earth, 1997, vol. 102, no. B3, pp. 5005–5017.Zumberge, J.F., Heflin, M.B., Jefferson, D.C., Watkins, M.M., Webb, F.H., Precise point positioning for the efficient and robust analysis of GPS data from large networks, J. Geophys. Res. Solid Earth, 1997, vol. 102, no. B3, pp. 5005–5017.Wang, N., Li, Z., Duan, B., Hugentobler, U., Wang, L., GPS and GLONASS observable-specific code bias estimation: comparison of solutions from the IGS and MGEX networks, J. Geod., 2020, vol. 94, no. 8, p. 74.Wang, N., Li, Z., Duan, B., Hugentobler, U., Wang, L., GPS and GLONASS observable-specific code bias estimation: comparison of solutions from the IGS and MGEX networks, J. Geod., 2020, vol. 94, no. 8, p. 74.Антонович К.М., Липатников Л.А. Совершенствование методики точного дифференциального позиционирования по результатам ГНСС-измерений (Precise Point Positioning) // Известия вузов. Геодезия и аэрофотосъемка. 2013. № 4/С. С. 44–47.Антонович К.М., Липатников Л.А. Совершенствование методики точного дифференциального позиционирования по результатам ГНСС-измерений (Precise Point Positioning) // Известия вузов. Геодезия и аэрофотосъемка. 2013. № 4/С. С. 44–47.Takasu, T., RTKLIB, ver. 2.4.2, Manual, 2013.Takasu, T., RTKLIB, ver. 2.4.2, Manual, 2013.BSD-2-Clause [Электронный ресурс]. URL: https://opensource.org/licenses/BSD-2-Clause.BSD-2-Clause [Электронный ресурс]. URL: https://opensource.org/licenses/BSD-2-Clause.Dolin, S.W., RTKLIB 2.4.3 b34 with support differential code biases for GPS, GLONASS, Galileo (fork) [Электронный ресурс]. URL: https://github.com/SergeyDolin/RTKLIB/tree/rtklib_2.4.3.Dolin, S.W., RTKLIB 2.4.3 b34 with support differential code biases for GPS, GLONASS, Galileo (fork) [Электронный ресурс]. URL: https://github.com/SergeyDolin/RTKLIB/tree/rtklib_2.4.3.Montenbruck, O., Steigenberger, P., Prange, L., Deng, Z., Zhao, Q., Perosanz, F., Romero, I., Noll, C., Stürze, A., Weber, G., Schmid, R., MacLeod, K., Schaer, S., The Multi-GNSS Experiment (MGEX) of the International GNSS Service (IGS) – Achievements, prospects and challenges, Adv. Space Res., 2017, vol. 59, no. 7, pp. 1671–1697.Montenbruck, O., Steigenberger, P., Prange, L., Deng, Z., Zhao, Q., Perosanz, F., Romero, I., Noll, C., Stürze, A., Weber, G., Schmid, R., MacLeod, K., Schaer, S., The Multi-GNSS Experiment (MGEX) of the International GNSS Service (IGS) – Achievements, prospects and challenges, Adv. Space Res., 2017, vol. 59, no. 7, pp. 1671–1697.Trimble GNSS planning online [Электронный ресурс]. URL: https://www.gnssplanning.com/.Trimble GNSS planning online [Электронный ресурс]. URL: https://www.gnssplanning.com/.Wübbena, G., Wübbena, J., Wübbena, T., Schmitz, M., SSR Technology for Scalable Real-Time GNSS Applications, IGS Workshop, 2017, 20 p.Wübbena, G., Wübbena, J., Wübbena, T., Schmitz, M., SSR Technology for Scalable Real-Time GNSS Applications, IGS Workshop, 2017, 20 p.The International Terrestrial Reference Frame (ITRF) [Электронный ресурс]. URL: http://itrf.ensg. ign.fr/ (accessed: 01.03.2015).The International Terrestrial Reference Frame (ITRF) [Электронный ресурс]. URL: http://itrf.ensg. ign.fr/ (accessed: 01.03.2015).

The authors declare that there are no conflicts of interest present.