Nowadays, with the incursion of low-cost GNSS receivers with modern characteristics, it is
common to investigate and apply new methodologies and solutions with different receivers …

The recruitment of the Low Earth Orbit (LEO) constellation is recognized as an effective way
to augment Global Navigation Satellite System (GNSS) Precise Point Positioning (PPP) in …

Uncrewed aircraft systems (UASs) and structure-from-motion/multi-view stereo (SfM/MVS)
photogrammetry are efficient methods for map** terrain at local geographic scales …

For kinematic relative positioning users between two moving platforms, limited
communication bandwidth and computation ability usually cannot support real-time …

Global navigation satellite system (GNSS) and light detection and ranging (lidar) are well
known to be complementary for vehicle positioning in urban canyons, where GNSS …

The precise point positioning (PPP) technique, which is still being developed, provides
position accuracy at the centimetre (cm) level and is widely employed in scientific research …

With the development of the Low Earth Orbit (LEO) communication constellations, it has
become a hot area of research to provide additional navigation augmentation services …

GNSS observation intervals can be tuned from low rate to high rates (such as 300 to 1 s) for
the specific applications. In this study, the effect of sampling intervals of 1, 5, 15, and 30 s on …

In offshore areas with inhomogeneous distribution of reference stations, the low accuracy of
regional augmented Zenith Tropospheric Delay (ZTD) products directly impacts regional …

We performed kinematic precise point positioning (PPP) to determine the optimum analysis
settings for precipitable water vapor (PWV) retrieval at sea using a ship-based Global …