OOIR: Observatory of International Research

Papers

(The H4-Index of GPS Solutions is 28. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-05-01 to 2024-05-01.)

Article	Citations
Real-time GNSS precise point positioning for low-cost smart devices	64
A new IMU-aided multiple GNSS fault detection and exclusion algorithm for integrated navigation in urban environments	62
Performance evaluation of BDS-3 PPP-B2b precise point positioning service	61
Assessment of BDS-3 global positioning service: ephemeris, SPP, PPP, RTK, and new signal	60
New time-differenced carrier phase approach to GNSS/INS integration	57
Initial Assessment of the BDS-3 PPP-B2b RTS compared with the CNES RTS	53
Past, present and future of atomic clocks for GNSS	48
GPS + Galileo + BeiDou precise point positioning with triple-frequency ambiguity resolution	46
Ionosphere-weighted undifferenced and uncombined PPP-RTK: theoretical models and experimental results	45
Evolution of orbit and clock quality for real-time multi-GNSS solutions	45
Disentangling ionospheric refraction and diffraction effects in GNSS raw phase through fast iterative filtering technique	43
Galileo high accuracy service: initial definition and performance	40
GREAT-UPD: An open-source software for uncalibrated phase delay estimation based on multi-GNSS and multi-frequency observations	39
Multi-constellation GNSS PPP instantaneous ambiguity resolution with precise atmospheric corrections augmentation	38
System-specific systematic errors in earth rotation parameters derived from GPS, GLONASS, and Galileo	38
Optical clock technologies for global navigation satellite systems	36
Pseudorange error prediction for adaptive tightly coupled GNSS/IMU navigation in urban areas	35
A global grid model for the correction of the vertical zenith total delay based on a sliding window algorithm	34
Precise point positioning with GPS and Galileo broadcast ephemerides	34
Sub-10–16 accuracy GNSS frequency transfer with IPPP	33
BeiDou-3 broadcast clock estimation by integration of observations of regional tracking stations and inter-satellite links	33
High-rate Doppler-aided cycle slip detection and repair method for low-cost single-frequency receivers	31
Validation of GNSS-derived global ionosphere maps for different solar activity levels: case studies for years 2014 and 2018	31
Rotating GNSS Antennas: Simultaneous LOS and NLOS Multipath Mitigation	31
JUST: MATLAB and python software for change detection and time series analysis	31

Enhancing navigation performance through visual-inertial odometry in GNSS-degraded environment	30
Multipath mitigation in GNSS precise point positioning based on trend-surface analysis and multipath hemispherical map	30
Orbit determination of Sentinel-6A using the Galileo high accuracy service test signal	29
B-spline function-based approach for GPS tropospheric tomography	28