GLONASS - an overview | ScienceDirect Topics
Oct 12, 1982 · GLONASS is defined as a satellite-based navigation system operated by Russia, consisting of 24 satellites that provide global positioning and navigation services with high accuracy …
Antenna and attitude modeling of modernized GLONASS satellites
Oct 1, 2024 · Next to the legacy frequency division multiple access (FDMA) signals in the L1 and L2 band, modernized GLONASS satellites of the M+, K1, and K2 genera…
Precise point positioning with quad-constellations: GPS, BeiDou ...
Jul 1, 2015 · Multi-constellation GNSS precise point positioning (PPP) first became feasible back to 2007 but with only two constellations, namely GPS and GLONASS. …
Satellite availability and point positioning accuracy evaluation on a ...
May 1, 2019 · We focus on the evaluation of availability and point positioning for four-constellation integration with GPS, GLONASS, BeiDou and Galileo. The availability indicates whether the position …
Performance of global navigation satellite systems (GNSS) in absence …
Mar 1, 2022 · The results indicate that using GLONASS, Galileo, and BeiDou can overcome the problematic periods during GPS signal outages. In addition, the different duration lengths of static …
Current performance of open position service with ... - ScienceDirect
Mar 1, 2022 · Current performance of open position service with almost fully deployed multi-GNSS constellations: GPS, GLONASS, Galileo, BDS-2, and BDS-3
The current situation of Russia’s GNSS continuous ... - ScienceDirect
Apr 15, 2024 · With the emergence of Global Navigation Satellite Systems (GNSS), such as the United States' Global Positioning System (GPS), Russia's GLONASS, the European Union's Galileo satellite …
Combining GPS and GLONASS for time and frequency transfer
Jan 15, 2011 · A first analysis of GLONASS code and carrier phase measurements for time and frequency transfer was described in Dach et al. (2006), based on the Bernese software (Dach et al., …
Navstar GPS and GLONASS: Global satellite navigation systems
Jul 1, 1991 · Both the Navstar GPS and GLONASS satellite navigation systems developed respectively by the U.S.A. and the Soviet Union are now planned to become oper…
Real-time clock comparison and monitoring with multi-GNSS precise …
Jan 1, 2020 · The precise point positioning (PPP) technique is widely used in time and frequency applications. Because of the real-time service (RTS) project of the…