Chao Sun received his bachelor’s degree in Electronic and Information Engineering from Beihang University in July 2013 and his Ph.D. in Communication and Information Systems from Beihang University in June 2019. He is now an associate professor in the Department of Electronic and Information Engineering at Beihang University. Since 2025, he has served as the deputy director of the Navigation Engineering Department at Beihang University. From 2017 to 2018, he worked as a visiting scholar at the Australian Centre for Space Engineering Research, University of New South Wales, Sydney, Australia. His research focuses on Assured Position, Navigation and Timing (PNT), GNSS spoofing mitigation, and GNSS-5G hybrid positioning techniques.