Secure Fast Handover Scheme of Proxy Mobile IPv6. - Soo-Duek Kim; Jong-Hyouk Lee; Tai-Myoung Chung (NCM, 2009)

A study new challenge for billing system in converged service platform. - Soo-Duek Kim; Seon-Ho Park; ChangSup Keum; Tai-Myoung Chung (NCM, 2010)