A low rate VQ speech coding algorithm with variable transmission frame length. - Sung Ro Lee; Hwang Soo Lee; Chong Kwan Un (ICSLP, 1990)

Low-complexity estimation of 2D DOA for coherently distributed sources. - Jooshik Lee; Iickho Song; Hyoungmoon Kwon; Sung Ro Lee (Signal Process., 2003)

A novel detection criterion for weak m-ary signals and its application to ultrawideband multiple access systems. - Iickho Song; Jinkyu Koo; Hyoungmoon Kwon; So Ryoung Park; Sung Ro Lee; Bo-Hyun Chung (IEEE Trans. Veh. Technol., 2005)

Average rate performance of two-way amplify-and-forward relaying in asymmetric fading channels. - Jae Cheol Park; Iickho Song; Sung Ro Lee; Yun Hee Kim (J. Commun. Networks, 2011)

An enhanced frequency-shifted reference ultrawideband scheme for low data rate applications. - Thinh Phu Do; Sung Ro Lee; Yun Hee Kim (IWSDA, 2013)