P Closas, G Gao - … , navigation, and timing technologies in the …, 2020 - Wiley Online Library
This chapter presents an innovative concept that helps overcome some of the critical challenges and limitations in standard global navigation satellite system (GNSS) position …
Theoretical results conclude that one-step Direct Position Estimation (DPE)-based Global Navigation Satellite System (GNSS) receivers can achieve more accurate localization than …
AHP Chu, GX Gao - Proceedings of the 30th International Technical …, 2017 - ion.org
In an environment surrounded by obstacles, such as a mountain valley, legacy GPS receiver architectures often experience degraded accuracy due to dense multipath and/or signal …
SVS Chauhan, GX Gao - Proceedings of the 32nd International Technical …, 2019 - ion.org
GPS integrity monitoring is essential to ensure the safety of critical infrastructures, such as power grid, banking, and transportation systems. The integrity of a system is assessed using …
The monitoring of GPS integrity is critical for preventing Harzardously Misleading Information (HMI) in safety-of-life applications. We propose an integrity monitoring algorithm based on …
The threat of spoofing attacks to Global Navigation Satellite System (GNSS) is increasingly severe. Recently, a spoofing detection method based on Maximum Likelihood Estimation …
Abstract Robust Position, Velocity, and Timing (PVT) are essential for the safe operations of critical infrastructure sectors, such as transportation systems and power grids. Different …
This report presents the results of Project GRIFFIN, a demonstration of the capabilities of Multi-Receiver Direct Position Estimation (DPE) in the flight environment. The LDTO was the …