Towards millimeter-level accuracy in GNSS-based space geodesy: A review of error budget for GNSS precise point positioning

X Li, JP Barriot, Y Lou, W Zhang, P Li, C Shi - Surveys in Geophysics, 2023 - Springer
The aim of the new generation of Global Geodetic Observing System is a millimeter-level
accuracy in positioning, with a crucial role to be played by Global Navigation Satellites …

Quality assessment of experimental IGS multi-GNSS combined orbits

K Sośnica, R Zajdel, G Bury, J Bosy, M Moore… - GPS Solutions, 2020 - Springer
Abstract The International GNSS Service (IGS) Analysis Center Coordinator initiated in 2019
an experimental multi-GNSS orbit combination service by adapting the current combination …

Multi-GNSS orbit combination at Wuhan University: strategy and preliminary products

G Chen, J Guo, T Geng, Q Zhao - Journal of Geodesy, 2023 - Springer
Multi-GNSS orbits from the analysis centres (ACs) of the multi-GNSS Pilot Project of the
International GNSS Service (IGS) are combined at Wuhan University after aligning individual …

Utilizing least squares variance component estimation to combine multi-GNSS clock offsets

G Mansur, A Brack, P Sakic, B Männel, H Schuh - GPS Solutions, 2024 - Springer
Abstract The International GNSS Service (IGS) provides combined satellite and station clock
products, which are generated from the individual clock solutions produced by the analysis …

Combination of GNSS orbits using least-squares variance component estimation

G Mansur, P Sakic, A Brack, B Männel, H Schuh - Journal of Geodesy, 2022 - Springer
Over the past years, the International GNSS Service (IGS) has been putting efforts into
extending its service by setting up and running the Multi-GNSS experiment and pilot project …

An experimental combination of IGS repro3 campaign's orbit products using a variance component estimation strategy

P Sakic, G Mansur, B Männel, A Brack… - Geodesy for a Sustainable …, 2022 - Springer
Over the past years, the International GNSS Service (IGS) has put efforts into reprocessing
campaigns, reanalyzing the entire data collected by the IGS network since 1994. Using state …