Yuanfan Deng is a PhD student in the Department of Land Surveying and Geospatial Science (LSGS) at The Hong Kong Polytechnic University (PolyU). He received his B.S. and M.S. degrees from the School of Geodesy and Geomatics, Wuhan University, in 2019 and 2022. His current research focuses on precise GNSS positioning.