An efficient reverse link data rate control scheme for 1xEV-DV system. - Young-uk Chung; Changhoi Koo; Beom-Sik Bae; Hyeonwoo Lee; Dong-Ho Cho (VTC Fall, 2001)

Multiple quality control: a new framework for QoS control in forward link of 1×EV-DV systems. - Jeong-woo Cho; Taesoo Kwon; Changhoi Koo; D. S. Park; Daegyun Kim; Dong-Ho Cho (VTC Spring, 2002)

Predictive FH control for FH-OFDMA Systems. - Bongseog Jang; Changhoi Koo; D. S. Park; Hyeonwoo Lee (MWCN, 2003)

A Unified Route Optimization Scheme for Network Mobility. - Jongkeun Na; Jaehyuk Choi 002; Seongho Cho; Chongkwon Kim; Sungjin Lee; Hyunjeong Kang; Changhoi Koo (PWC, 2004)

Traffic Scheduling Technique with Predictive Subchannel Allocation for OFDMA Systems. - Bongseog Jang; Gi-Chul Yang; Changhoi Koo; Jung-Je Son; Hyunjeong Kang (ICWN, 2005)

Dynamic Cell Coverage Control for Power Saving in IEEE802.16 Mobile MultihopRelay Systems. - Changhoi Koo; Yong Woo Chung (ICSNC, 2006)