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Search : "[ author: Ryong Oh ]" (3)

Vertical Handoff Decision System based on Support Vector Machine

Ryong Oh Jaehak Yu Tae-sub Kim Chi-Hun Lim Seung-Wan Ryu
Choong-Ho Cho
Vol. 36, No. 7, pp. 771-779, Jul. 2011

A Study on the Fingerprint-based User Authentication Protocol Considering both the Mobility and Security in the Telematics Environment

Tae-sub Kim Ryong Oh Sang-Joon Lee Sung-ju Lee Hak-jae Kim
Yong-wha Chung Choong-ho Cho
Vol. 32, No. 11, pp. 1128-1137, Nov. 2007

Fast Handover Scheme for MIPv6 Based on IEEE 802.16e

Chi-Hun Lim Ryong Oh Jeong-Sik Dong Hyong-Woo Lee Choong-Ho Cho

Vol. 32, No. 8, pp. 802-812, Aug. 2007