Prof. Changhao Du is currently an Associate Professor at the School of Cyberspace Science and Technology, Beijing Institute of Technology. He received a Ph.D from the Beijing Institute of Technology, China, in 2018. From October 2016 to October 2017, he was a visiting Ph.D student at the Chalmers University of Technology, Sweden, under the financial support of the China Scholarship Council. From July 2018 to March 2021, he served as a Postdoctoral Research Associate at the Beijing University of Posts and Telecommunications, China. His research interests include statistical signal processing, applied signal processing, and the physical layer of wireless communication systems, including space–air–ground networks and secure communication, integrated sensing and communication, GPS navigation, laser and THz communication, and synchronization.