High-precision positioning from Global Navigation Satellite Systems (GNSS) has garnered
increased interest due to growing demand in various applications, like autonomous car …

Abstract Real-Time Precise Point Positioning (RT-PPP) has been one of the research
hotspots in GNSS (Global Navigation Satellite System) community for decades. Real-time …

Abstract On 6 September 2017, the Sun emitted two significant solar flares (SFs). The first
SF, classified X2. 2, peaked at 09: 10 UT. The second one, X9. 3, which is the most intensive …

The update of the Android system and the emergence of the dual-frequency GNSS chips
enable smartphones to acquire dual-frequency GNSS observations. In this paper, the GPS …

Raw GNSS measurement APIs (Application Programming Interfaces) in the Android system
are a bridge between the advances of positioning techniques and the applications of …

Over the past decade, the Global Positioning System has released pre-flight calibrations for
the transmit antennas of the Block IIR/IIR-M, Block IIF, and GPS III satellites that make up the …

The focus of this study is on proper modeling of the dynamics for inter-system biases (ISBs)
in multi-constellation Global Navigation Satellite System (GNSS) precise point positioning …

Ionospheric delay is a significant error source in multi-GNSS positioning. We present
different processing strategies to fully exploit the ionospheric delay effects on multi …

The integration of different GNSS constellations offers considerable opportunities to improve
Precise Point Positioning (PPP) performance. Being aware of the limited number of the …

With the development of China's BDS-3, more studies focused on its performance in precise
point positioning (PPP), mainly in post-processing mode. This study conducts a …