User Defined Location Area for Registration and Paging. - Kwang-Youn Park; Sang-Jun Park 002; In-Sook Cho; Byunggi Kim (ICOIN (2), 2002)

Energy Efficient MAC Protocol with Reducing Redundant Packet Mechanism in Wireless Sensor Networks. - Jung-Ahn Han; Yun Hyung Kim; Sang-Jun Park 002; Byunggi Kim (AsiaSim, 2004)