Huaqiang Gao (Member, IEEE) received the B.E. degree in electronic and information engineering from Harbin University of Science and Technology, Harbin, China, in 2016, the B.A. degree in business English from Heilongjiang University, Harbin, China, in 2016, and the Ph.D. degree in electronic science and technology from Beijing University of Posts and Telecommunications (BUPT), Beijing, China, in 2022. Since 2019, he has been a Visiting Ph.D. Student and a Post-Doctoral Fellow with the Antennas, Propagation and Millimeter-Wave Systems Section, Aalborg University, Aalborg, Denmark. He is currently an Assistant Professor with the School of Information and Communications Engineering, Xi’an Jiaotong University, Xi’an, China. His research interests include over the air testing (OTA) of wireless devices, antenna measurement, and phased array calibration.