Yuheng Gao is a PhD student in the Department of Land Surveying and Geospatial Science (LSGS) at The Hong Kong Polytechnic University (PolyU). He received his Bachelor's degree in Navigation Engineering from Wuhan University and his Master's degree in Earth-Oriented Space Science and Technology from the Technical University of Munich. His research background covers GNSS positioning and space geodesy. His current research focuses on quantum sensors for positioning, navigation, and timing.