Huan Zhang received the bachelor’s and master’s degrees from the School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China, in 2014 and 2017, respectively, and the Ph.D. degree in electrical and computer engineering from the University of Macau, Macau, in 2022. Since 2021, he has been a Research Assistant with the School of Intelligent Systems Science and Engineering, Jinan University, Zhuhai, China. He is currently a Senior Algorithm Engineer with the Department of Mobile Phone, Xiaomi Communication Technology Company Ltd., Beijing, China. His research interests include MIMO systems, massive MIMO, intelligent reflecting surface (IRS), and green communications. He received the Exemplary Reviewer Award of the IEEE Wireless Communications Letters in 2019.