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| 1 | Security Enhanced Anonymous User Authenticated Key Agreement Scheme Using Smart Card显示文摘Nowadays, the password-based remote user authentication mechanism using smart card is one of the simplest and convenient authentication ways to ensure secure communications over the public network environments. Recently, Liu et al. proposed an efficient and secure smart card based password authentication scheme. However, we find that Liu et al.'s scheme is vulnerable to the off-line password guessing attack and user impersonation attack. Furthermore, it also cannot provide user anonymity. In this paper, we cryptanalyze Liu et al.'s scheme and propose a security enhanced user authentication scheme to overcome the aforementioned problems. Especially, in order to preserve the user anonymity and prevent the guessing attack, we use the dynamic identity technique. The analysis shows that the proposed scheme is more secure and efficient than other related authentication schemes. | Jaewook Jung Donghoon Lee Hakjun Lee Dongho Won | 2018 | Journal of Electronic Science and Technology2018，16，1： | 3 |
| 2 | Theory of stability regions for a class of non-hyperbolic dynamical systems and its application to constant satisfaction problems 显示文摘 | JAEWOOK LEE CHIANG H | 2002 | IEEE Transactions on Circuits and Systems2002，49，2： | 1 |
| 3 | Dynamic characterization of cluster structures for robust and inductive support vector clustering显示文摘 | Jaewook Lee Daewon Lee | 2006 | IEEE Trans on Pattern Analysis and Machine Intelligence2006，28，11： | 1 |
| 4 | Magnetic force enhancement in a linear actuator by air-gap magnetic field distribution optimization and design显示文摘 | Jaewook Lee Ercan M. Dede Debasish Banerjee Hideo Iizuka | 2012 | Finite Elements in Analysis & Design2012，，： | 1 |
| 5 | Parametric models and non-parametric machine learning models for predicting option prices: Empirical comparison study over KOSPI 200 Index options显示文摘 | Hyejin Park Namhyoung Kim Jaewook Lee | 2014 | Expert Systems With Applications2014，，： | 1 |
| 6 | Classifi- cation-based collaborative filtering using market basket data 显示文摘 | Lee Jong-Seok Jun Chi- Hyuck Lee Jaewook | 2005 | Expert Systems with Applications2005，29，3： | 1 |
| 7 | User credit-based collaborative filtering显示文摘 | Jeong Buhwan Lee Jaewook Cho Hyunbo | 2009 | Expert Systems with Applications2009，36，3： | 1 |
| 8 | An improved cluster labeling method for support vector clustering显示文摘 | Jaewook Lee Daewon Lee | 2005 | IEEE Transctions on pattern analysis and machine intelligence2005，27，3： | 1 |
| 9 | An Improved Cluster Labeling Method for Support Vector Clustering显示文摘 | Lee Jaewook Lee Daewon | 2005 | IEEE Transactions on Pattern Analysis and Machine Intelligence2005，27，3： | 1 |
| 10 | Tridiagonal implicit method to evaluate European and American options under infinite activity Lévy models显示文摘 | Jaewook Lee Younhee Lee | 2013 | Journal of Computational and Applied Mathematics2013，，1： | 1 |
| 11 | Numerical Analysis of Internal Flow and Mixing Performance in Polymer Extruder: Twin Screw Extruder显示文摘 | Naksoo Kim Hongbum Kim Jaewook Lee | 2006 | Korea-Australia Rheology Journal2006，18，3： | 1 |
| 12 | An Improved Cluster Labeling Method for Support Vector Clustering 显示文摘 | Jaewook Lee Daewon Lee | 2005 | IEEE Transactions on Pattern Analysis and Machine Intelligence2005，27，3： | 1 |
| 13 | A singular fixed-point homotopy method to locate the closest unstable equilibrium point for transient stability region estimate显示文摘 | Lee Jaewook Chiang Hsiao-Dong | 2004 | IEEE Transactions Circuits and Systems-Ⅱ: Express Briefs2004，51，4： | 1 |
| 14 | New Phase-Locked Loop Design:Understanding the Impact of a Phase-Tracking Channel Detector显示文摘 | Jaewook Lee Jaekyun Moon Tong Zhang | 2010 | IEEE Transactions on Magnetics2010，46，3： | 1 |
| 15 | Clustering based onGaussian processes 显示文摘 | Kim Hyun-chul Lee Jaewook | 2007 | Neural Computation2007，19，11： | 1 |
| 16 | HARQ Optimization for PDCP Duplication-Based 5G URLLC Dual Connectivity显示文摘Packet duplication(PD)with dual connectivity(DC)was newly introduced in the 5G New Radio(NR)specifications to meet the stringent ultra reliable low latency communication(URLLC)requirements.PD technology uses duplicated packets in the packet data convergence protocol(PDCP)layer that are transmitted via two different access nodes(ANs)to the user equipment(UE)in order to enhance the reliability performance.However,PD can result in unnecessary retransmissions in the lower layers since the hybrid automatic retransmission request(HARQ)operation is unaware of the transmission success achieved through the alternate DC link to the UE.To overcome this issue,in this paper,a novel duplication-aware retransmission optimization(DRO)scheme is proposed to reduce the resource usage induced by unnecessary HARQ retransmissions.The proposed DRO scheme can minimize the average channel use while satisfying the URLLC requirements.The proposed DRO scheme derives the optimal HARQ retransmission attempts for different ANs by solving a nonlinear integer programming(NLIP)problem.The performance of the proposed DRO scheme was evaluated using MATLAB simulation and is compared to the existing 5G HARQ support schemes.The simulations results show that the proposed DRO scheme can provide a 14.71%and 15.11%reduced average channel use gain compared to the selective data duplication upon failure(SDUF)scheme and latency-aware dynamic multi-connectivity algorithm(LADMA)scheme,respectively,which are the existing 5G PD schemes that use HARQ. | Changsung Lee Junsung Kim Jaewook Jung Jungsuk Baik Jong-Moon Chung | 2022 | Computers, Materials & Continua2022，，7： | 0 |
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