Innovative difference based on genetic distance model: an empirical analysis of technology innovation. - Zhenhong Xiao; Kwanghun Kim; Kumchol Ri (Int. J. Technol. Manag., 2022)

QoS and energy-efficiency aware scheduling and resource allocation scheme in LTE-A uplink systems. - Chol Jong; Yong Chun Kim; Jun Ho So; Kumchol Ri (Telecommun. Syst., 2023)