Junhee Lee received the M.S. degree in mobile communication engineering from the University of Science & Technology (UST), Daejeon, Korea, in 2013, and the Ph.D. degree in information & communication engineering from the University of Science & Technology (UST), in 2019. He is currently a Post Doctoral Researcher with Electronics and Telecommunications Research Institute (ETRI), Daejeon, Korea. His current research interests include low power wireless networks, wireless link scheduling, MAC protocol, Internet of Things, smart manufacturing, and production planning.