TL;DR
This study proposes a traceable DCB estimation method that establishes a link between the DCB reference and the UTC(k) maintained by time laboratories, thereby fulfilling the requirements of PPP timing and provides a novel method for the remote relative calibration of GNSS receiver hardware delays.
The method of GNSS one-way timing has been most commonly used in many sectors that rely on the real-time time and frequency values. The GNSS receiver which can provide real-time signals (e.g. 1 PPS and 10 MHz) employs a time and frequency standard. To make the systems in these sectors more stable and reliable, the coll...
An integrated operational framework for multi-GNSS clock combination is introduced, covering GPS, Galileo, GLONASS, and BeiDou, and implemented in open-access, open-source software using an epoch-wise alignment strategy and variance component estimation.
This work investigates whether machine learning, supported by precise satellite orbits and clocks, can predict carrier phase observations during signal gaps with millimeter-level accuracy and demonstrates that geometry-aware gap prediction is feasible at the sub-wavelength level.
Precise point positioning (PPP) is a cornerstone technology for delivering high-precision spatiotemporal transfer in Global Navigation Satellite Systems (GNSSs). Although the Galileo high accuracy service (HAS) improves static PPP timing and time transfer, practical applications remain limited by observation noise, tim...
Accurate and reliable positioning is a fundamental requirement for marine applications, particularly in hydrographic surveying, where real-time data acquisition is essential. Despite recent advances in Global Navigation Satellite System (GNSS) technologies, the comparative performance of different real-time correction...
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