An Improved Transmission Rate in Cooperative Communication Based on OFDMA System. - Eui-Hak Lee; Hyoung-Kyu Song (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2013)

Cooperative Communication Using the DF Protocol in the Hierarchical Modulation. - Sung-Bok Choi; Eui-Hak Lee; Jung-In Baik; Young-Hwan You; Hyoung-Kyu Song 001 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2015)

Downlink Signal Measurement Algorithm for WCDMA/HSPA/HSPA+. - Bit-Na Kwon; Eui-Hak Lee; Dae-Ki Hong; Sung-Jin Kang; Min-goo Kang; Hyoung-Kyu Song (KSII Trans. Internet Inf. Syst., 2015)

A Proposed H-STCDD Scheme in Cooperative Communication System. - Eui-Hak Lee; Hwan-Jun Choi; Jong-Ho Paik; Dong-Sun Kim; Hyoung-Kyu Song 001 (Wirel. Pers. Commun., 2016)

Adaptive Channel Coding Based on Channel Condition in Cooperative Communication System. - Eui-Hak Lee; Jae Jeong Kim; Hyoung-Kyu Song (Wirel. Pers. Commun., 2016)

Adaptive Femtocell Design Scheme in Mobile Communication Systems. - Jae-Hyun Ro; Eui-Hak Lee; Hyoung-Kyu Song (Wirel. Pers. Commun., 2017)