Prof. Baocheng Zhang received his Ph.D. degree in geodesy and surveying from the Institute of Geodesy and Geophysics, Chinese Academy of Sciences, Wuhan, China, in 2012. He is currently a Professor at the Institute of Geodesy and Geophysics, Chinese Academy of Sciences. His research interests include multiple global navigation satellite system integer ambiguity resolution-enabled precise point positioning (PPP-RTK), with an emphasis on code and carrier-phase bias estimation and characterization, ionospheric delay retrieval, and prototype PPP-RTK network software development.