Keyi Li received the B.E. degree in communication engineering in 2014, and the M.E. and Ph.D. degrees in information and communication engineering in 2016 and 2020, respectively, all from the Harbin Institute of Technology, Harbin, China. He is currently an associate professor in the School of Electronics and Information Engineering at Harbin Institute of Technology. From 2018 to 2019, supported by the China Scholarship Council, he was a visiting Ph.D. student with McMaster University, Hamilton, ON, Canada. His research interests include estimation, target tracking, and information fusion.