An Efficient Cross-Layer Based Flooding Algorithm with Retransmission Node Selection for Wireless Sensor Networks. - Seung-Joon Choi; Ki-Hyuk Kwon; Sang-Jo Yoo (AINA Workshops, 2008)

QoS-Aware Channel Sensing Scheduling in Cognitive Radio Networks. - Jae-Kark Choi; Ki-Hyuk Kwon; Sang-Jo Yoo (CIT (2), 2009)