From: Conditioning and PPP processing of smartphone GNSS measurements in realistic environments
Processing parameters | YORK U GNSS PPP engine settings |
---|---|
PPP processing mode | Uncombined dual-frequency |
Estimator | Sequential least squares |
Antenna corrections | International GNSS Service (IGS) Antenna Exchange Format (ANTEX) |
Satellite orbits and clocks | CNT-Centre National d'Etudes Spatiales (CNES) |
Elevation mask | 10° |
C/N0 mask | 20 dB·Hz for smartphone, 15 dB·Hz for Piksi |
GNSS system | GPS, Galileo |
Observations processed | L1, L5, E1, E5a |
Measurement data format | RINEX 3.03 |
Ionospheric mitigation | Slant ionospheric delay estimation |
Using Global Ionospheric Maps (GIM’s) as pseudo-observations in the uncombined filter to mitigate and estimate the slant ionospheric error | |
Tropospheric modelling | Hydrostatic delay: Davis Global Pressure/Temperature (GPT) |
Wet delay: Estimated | |
Mapping function: Global Mapping Function (GMF) |