He is currently an assistant professor of computer engineering department, Gachon university, South Korea. He received his Ph.D. degree from computer science, UCLA. He used to work as a researcher of Samsung electronics, Hyundai motor, LG electronics, SK Hynix semiconductor, etc. He had standardization activity in several SDOs like 3GPP, ITU, TTA and ETSI. He is interested in multi-hop adhoc networks, LTE and 5G wireless telecommunication systems, wireless LAN,SDN/NFV, IoT protocols, etc.