Urgency and Efficiency based Packet Scheduling Algorithm for OFDMA wireless system. - Seungwan Ryu; Byunghan Ryu; Hyunhwa Seo; Mooyong Shin (ICC, 2005)

Adaptive and QoS Downlink Multimedia Packet Scheduling for Broadband Wireless Systems. - Seungwan Ryu; Byunghan Ryu; Hyunhwa Seo (PCM (2), 2005)

Traffic Characteristics Based Performance Analysis Model for Efficient Random Access in OFDMA-PHY System. - Hyunhwa Seo; Byunghan Ryu; Choong-Ho Cho; Hyong-Woo Lee (WWIC, 2005)