Proceedings of the 4th International Summit on Beidou Navigation Satellite System Application - Volume I

This book presents a collection of peer-reviewed original research papers from the 4th International Summit on Large-Scale Application of Beidou, held in September 2025 in Zhuzhou, Hunan, China. The topics covered in the book include, but are not limited to: Integrated PNT system and new technologies, Satellite navigation and augmentation technology, Space-time Reference System and Orbit Determination Technology, Satellite navigation signal and terminal technology, Navigation Technologies for Unmanned Systems, as well as Deep space and lunar navigation technology. The book showcases the latest research achievements in methodologies, algorithms, and applications within the field of positioning, navigation, and timing (PNT), incorporating advancements in artificial intelligence (AI) technologies. This book serves as a valuable reference for researchers, engineers, and graduate students alike.