Junmei Yao is currently an assistant professor at the College of Computer Science and Software Engineering, Shenzhen University, China. She received her PhD in computer science from Hong Kong Polytechnic University, Hong Kong, in 2016. Dr. Yao’s research interests include wireless networks, wireless communications, and mobile computing. She has published more than 30 research papers in top-tier international journals and conferences, including IEEE TMC, IEEE TPDS, IEEE TVT, IEEE TCC, IEEE IOTJ, IEEE PerCom, IEEE ICDCS, and IEEE ICNP. Kaishun Wu is currently a distinguished professor at the College of Computer Science and Software Engineering, Shenzhen University, China, where he leads the Research Centre of Internet of Things. Prof. Wu’s research interests include wireless communications and mobile computing. He has coauthored 2 books and published over 100 refereed papers in leading international journals and conferences. He holds 63 patents, with a further 8 (US) and 100 (China) pending. Prof. Wu serves as an associate editor of IET COMMUNICATIONS and IEEE Access, and as a guest editor of IEEE Network. He is a technical program committee member of IEEE INFOCOM, IEEE ICDCS, IEEE ICC, IEEE Globecom, and so on. He won the best paper awards at IEEE Globecom 2012, IEEE ICPADS 2012, IEEE MASS 2014, and IEEE SECON 2018. Prof. Wu was selected for the 2012 Hong Kong Young Scientist Award. He was also one of the winners of the 2014 Hong Kong ICT Awards: Best Innovation. He received the 2014 IEEE ComSoc Asia-Pacific Outstanding Young Researcher Award. He is an IET Fellow and IEEE Senior Member.