Research activities on next-generation mobile communications and services in Korea. - Seungwan Ryu; Seikwon Park; Donsung Oh; Gyungchul Sihn; Kichul Han; Seung-Ku Hwang (IEEE Commun. Mag., 2005)

PI-PD Controller for Adaptive and Robust Active Queue Management for Internet Congestion Control. - Seungwan Ryu; Byunghan Ryu; Myoungki Jeong; Seikwon Park (Simul., 2005)

Next Generation Mobile Convergence Service Analysis and Business Model Development Framework. - Dongchun Shin; Jinbae Kim; Seungwan Ryu; Seikwon Park (ACIIDS Posters, 2011)

Development of device-to-device(D2D) communication based new mobile proximity multimedia service business models. - Seungwan Ryu; Seikwon Park; Nam-Hoon Park; Sam Chung (ICME Workshops, 2013)