Recent Advances in GNSS-based High Precision Positioning Technology: Part I

Dear Colleagues,

Global navigation satellite systems (GNSS) is the technology of choice for most position-related applications where it is available. It has provided unprecedented precision and reliability to navigation systems, especially when fused with other sensing modalities. The main challenges of GNSS technology arise when operating in complex environments which are either naturally impaired by multipath, shadowing, high dynamics, or ionospheric scintillation; or intentionally/unintentionally interfered. Ushered in by an increasing demand for availability, accuracy, and reliability, the mitigation of these challenges has steered intense research on advanced receiver design. These requirements are imposed by critical applications such as autonomous driving, power grid, classical aviation, and terrestrial navigation, as well as unmanned aerial and ground vehicles.

Unprecedented improvements in position, navigation, and timing (PNT) technologies based on GNSS are currently being developed, regardless of the known limitations of GNSS in terms of anywhere/anytime availability. Those solutions encompass snapshot-based receivers, high-sensitivity, and high-precision techniques that are shaping the future of GNSS receivers through advanced signal processing and machine learning tools.

The aim of this Special Issue is to collect high-quality research articles and review papers on advances in high-precision GNSS receiver design. Methodological papers are welcome, although articles including experimental results are highly appreciated. Original, high-quality contributions that have not been published before and are not currently under review by other journals or conferences are sought.

This Special Issue invites contributions in the following topics (but is not limited to them):

• Advances in precise point positioning (PPP);
• Advances in real-time kinematic (RTK) positioning;
• Baseband signal processing for high-precision GNSS receivers;
• Performance bounds in high-precision navigation;
• High-sensitivity receivers;
• Position, navigation, and timing (PNT) in challenging environments;
• Countermeasures to harsh propagation conditions;
• Cooperative PNT;
• Sensor fusion for high-precision positioning;
• Cloud-based solutions for PNT;
• Adaptive and robust techniques enabling high-precision navigation.

Prof. Dr. Pau Closas
Prof. Dr. Jordi Vilà-Valls
Prof. Dr. Wenyi Wang
Guest Editors

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