Eui-Jik Kim

Education

• Ph.D. Korea University, Seoul, Republic of Korea (Mar. 2011 – Feb. 2013)
  Electronics and Computer Engineering

• M.S. Korea University, Seoul, Republic of Korea (Mar. 2004 – Feb. 2006)
  Electronics and Computer Engineering

• B.S. Korea University, Seoul, Republic of Korea (Mar. 1999 – Feb. 2004)
  Electronics and Computer Engineering

Work Experience

• Professor Hallym University, Chuncheon, Republic of Korea (Sep. 2013 – Current)
  Division of Software, College of Information Science

• Visiting Scholar Oregon State University, Corvallis, OR, USA (Aug. 2019 – Jul. 2020)
  School of Electrical Engineering and Computer Science

• Senior Researcher KT Corporation, Seoul, Republic of Korea (Aug. 2009 – Aug. 2013)
  Advanced Institute of Technology

• Senior Engineer Samsung Electronics Co., Ltd., Suwon, Republic of Korea (Feb. 2006 – Jul. 2009)
  DMC (Digital Media & Communications) R&D Center

• Research Staff Intel Corporation, Seoul, Republic of Korea (Sep. 2005 – Dec. 2005)
  Intel Korea R&D Center

Teaching Experience

• Hallym University Graduate School of Convergence Software
  >> Wireless Network (Fall 2016, Fall 2020, Spring 2024)
  >> Sensor Network (Spring 2016, Spring 2019, Fall 2023)
  >> Topics in Convergence Information and Communications (Spring 2023)
  >> Computer Network Projects (Fall 2022)
  >> Topics in Computer Network (Spring 2022)
  >> Topics in Convergence Information and Communications I (Spring 2015, Fall 2021)
  >> Topics in Convergence Software (Spring 2021, Fall 2024)
  >> Topics in Convergence Information and Communications II (Fall 2017, Fall 2018)
  >> Technical Writing in English (Fall 2015, Spring 2017, Spring 2018)
  
  Undergraduate School of Division of Software
  >> Operating System (Spring 2021, Spring 2022, Spring 2023, Spring 2024)
  >> IoT Network (Spring 2021, Spring 2022, Spring 2023, Spring 2024)
  >> Embedded System (Fall 2013, Fall 2015, Fall 2016, Fall 2017, Fall 2018, Fall 2020, Fall 2021, Fall 2022, Fall 2023, Fall 2024)
  >> Introduction to Operating System (Spring 2018)
  >> Introduction to Convergence Software I (Spring 2018)
  >> ICT English I (Fall 2014, Spring 2015, Spring 2016, Spring 2017, Spring 2018)
  >> Odyssey Seminar I (Spring 2015, Spring 2017)
  >> Operating System and System Programming (Fall 2013, Fall 2014, Spring 2015, Spring 2016, Spring 2017)
  >> Embedded System Software I (Spring 2014)
  >> ICT English II (Spring 2014, Fall 2015, Fall 2016, Fall 2017)
  >> Freshman Seminar (Spring 2014)

Professional Memberships

• IEEE (Institute of Electrical and Electronics Engineers): IEEE Senior Member

• IEICE (Institute of Electronics, Information and Communication Engineers)

• KICS (Korean Institute of Communications and Information Sciences)

• KIISE (Korean Institute of Information Scientists and Engineers)

• DCS (Digital Contents Society)

• KSII (Korea Society for Internet Information)

• KIOTS (Korea Internet Of Things Society)

Research Projects

Government-Funded Projects

• On-Device Machine Learning-Based Self-Powered Wearable Healthcare System (Ongoing)
  >> Sponsored by National Research Foundation (NRF)

• Blockchain-based Vehicle Data Security Framework for Software-defined Vehicle (Ongoing)
  >> Funded by National Research Foundation (NRF)

• Load-Balanced BlockEdge Framework for Internet of Medical Things (Ongoing)
  >> Funded by National Research Foundation (NRF)

• Real-time and High-precision SWIPT Operating Platform Development Using Deep Neural Network Model for ULP-IoT  (Ongoing)
  >> Funded by National Research Foundation (NRF)

• On-device AI-based Multi-point Localization and Behavior Classification for Intelligent Silver Care  (Ongoing)
  >> Funded by National Research Foundation (NRF)

• Development of IoT convergence pedestrian and driver safety solutions using wireless tags and radar
  >> Funded by Korea Technology and Information Promotion Agency for SMEs (TIPA)

• Development of AI-based hazard area proximity estimation and health risk assessment algorithms for industrial safety and health management system
  >> Funded by National Research Foundation (NRF)

• Development of Wearable BodyNET Chip for Next-Generation Human Centric IoT Technology
  >> Funded by Gangwon Technopark (GWTP)

• AI of Things Healthcare System using Device-to-Device Realtime Localization
  >> Funded by National Research Foundation (NRF)

• Smart biosensor and dual band-based wireless information and power transfer technology for energy independent digital healthcare system
  >> Funded by National Research Foundation (NRF)

• Location-based Child Safety System Advancement Using Machine Learning
  >> Funded by Korea Innovation Foundation (INNOPOLIS)

• Smart healthcare system based on wireless power transfer using low-power and high-precision sensors
  >> Funded by National Research Foundation (NRF)

• Establishment of national health protection foundation in complex radio environment
  >> Funded by Institute of Information & Communications Technology Planning & Evaluation (IITP)

• Development of a two-way power trading system based on blockchain for distributed resource energy prosumer
  >> Funded by Korea Institute for Advanced Technology (KIAT)

• Development of IoT and big data integrated framework for industrial environment safety
  >> Funded by National Research Foundation (NRF)

• Development of safety total solution for children using location based service
  >> Funded by Korea Innovation Foundation (INNOPOLIS)

• Multiple precise sensors-based worker management platform using big data analysis
  >> Funded by National Research Foundation (NRF)

• Real-time big data-based personalized healthcare system development
  >> Funded by National Research Foundation (NRF)

• Establishment of smart social exposure control base
  >> Funded by Institute of Information & Communications Technology Planning & Evaluation (IITP)

• Precise sensor and variable data transmission technology for healthcare IoT with high reliability and low latency
  >> Funded by National Research Foundation (NRF)

• Priority event handling based on virtual sensor big data for healthcare IoT service
  >> Funded by National Research Foundation (NRF)

• Big data-based construction site safety management system using unmanned aerial vehicle
  >> Funded by Korea Foundation for the Advancement of Science & Creativity (KOFAC)

• Mobile capillary M2M systems for IT convergence services
  >> Funded by National Research Foundation (NRF)

• Heterogeneous healthcare device group management system using web of things
  >> Funded by Korea Foundation for the Advancement of Science & Creativity (KOFAC)

Industry-Funded Projects

• 행동탐지를 위한 채널 상태 정보 데이터 구축 및 검증 SW제작 (Ongoing)
  >> Funded by Korea Electronics Technology Institute (KETI)

• MV-S2X 구현을 위한 VDES Network 간섭 인지 기반 자원 스케줄링 기법 연구 (Ongoing)
  >> Funded by Korea Research Institute of Ships & Ocean Engineering (KRISO)

• 무선인체통신을 위한 강화학습 기반 채널 액세스 기술 개발
  >> Funded by M2TECH Corporation

• NFC Type 2 Tag 표준 분석 보고서 개발
  >> Funded by Korea Electronics Technology Institute (KETI)

• 위치 기반 서비스를 위한 BLE 비콘 RSSI 데이터 수집 및 머신러닝 기반 거리추정 모델
  >> Funded by M2TECH Corporation

• 산업용 IoT 디바이스 용 IEEE 802.15.4 DSME 스케줄링 기술 개발
  >> Funded by M2TECH Corporation

• Development of IEEE 802.15.4 TSCH/DSME slot structure for multichannel SWIPT system
  >> Funded by Dong-A University Industry-Academy Cooperation

• Development of distance estimation technology using BLE beacon RSSI data analysis
  >> Funded by M2TECH Corporation

• Development of SWIPT-support low-power MAC superframe structure and simulator
  >> Funded by Dong-A University Industry-Academy Cooperation

• Research on multi-node communication and wireless power transfer MAC for distributed cooperative environments
  >> Funded by Korea Electronics Technology Institute (KETI)

• School bus management system using IoT sensor tag
  >> Funded by M2TECH Corporation

• IEEE 802.15.4 TSCH MAC scheduling algorithm
  >> Funded by Dong-A University Industry-Academy Cooperation

• Wi-Fi basckscatter system MAC protocol
  >> Funded by Korea Electronics Technology Institute (KETI)

• Internet of things-based healthcare system for gait pattern analysis of foot disease patients
  >> Funded by Hallym University Sacred Heart Hospital

• Research on rehabilitation treatment of burn patients using VR games and IoT networks
  >> Funded by Hangang Sacred Heart Hospital, Hallym University

Publications

International Journals

• Sol-Bee Lee, Jung-Hyok Kwon, Bu-Young Kim, Woo-Seong Shim, Taeshik Shon, and Eui-Jik Kim, “Slot Occupancy-Based Collision Avoidance Algorithm for Very-High-Frequency Data Exchange System Network in Maritime Internet of Things,” Applied Sciences, vol. 14, no. 24, pp. 11751:1-11751:19, Dec. 2024. [DOI], [PDF]

• Sangwoo Lee, Jung-Hyok Kwon, Dongwan Kim, and Eui-Jik Kim, "Research category classification of scientific articles on human health risks of electromagnetic fields using pre-trained BERT," ICT Express, vol. 10, no. 2, pp. 336–341, Apr. 2024. [DOI], [PDF]

• Sol-Bee Lee, Jung-Hyok Kwon, Bu-Young Kim, Woo-Seong Shim, Dongwan Kim, and Eui-Jik Kim, "Block-based Self-organizing TDMA for Reliable VDES in SANETs," KSII Transactions on Internet and Information Systems, vol. 18, no. 2, pp. 511–527, Feb. 2024. [DOI], [PDF]

• Woo-Seong Shim, Bu-Young Kim, Eui-Jik Kim, and Dongwan Kim, "A New Link Adaptation Technique for Very High Frequency Data Exchange System in Future Maritime Communication," Electronics, vol. 13, no. 2, pp. 323:1–323:13, Jan. 2024. [DOI], [PDF]

• Jung-Hyok Kwon, Sol-Bee Lee, and Eui-Jik Kim, "Q-Learning-based Pending Zone Adjustment for Proximity Classification," Sensors, vol. 23, no. 9, pp. 4352:1–4352:16, Apr. 2023. [DOI], [PDF]

• Sol-Bee Lee, Sam Nguyen-Xuan, Jung-Hyok Kwon, and Eui-Jik Kim, "Multiple Concurrent Slotframe Scheduling for Wireless Power Transfer-Enabled Wireless Sensor Networks," Sensors, vol. 22, no. 12, pp. 4520:1–4520:21, Jun. 2022. [DOI], [PDF]

• Sol-Bee Lee, Jung-Hyok Kwon, and Eui-Jik Kim, "Residual Energy Estimation-Based MAC Protocol for Wireless Powered Sensor Networks," Sensors, vol. 21, no. 22, pp. 7617:1–7617:21, Nov. 2021. [DOI], [PDF]

• Jung-Hyok Kwon, Xue Zhang, and Eui-Jik Kim, "Scalable Wi-Fi Backscatter Uplink Multiple Access for Battery-Free Internet of Things," IEEE Access, vol. 9, pp. 30929–30945, Jan. 2021. [DOI], [PDF]

• Sangwoo Lee, Jung-Hyok Kwon, Xue Zhang, and Eui-Jik Kim, "Traffic-Adaptive CFP Extension for IEEE 802.15.4 DSME MAC in Industrial Wireless Sensor Networks," IEEE Access, vol. 9, pp. 94454–94469, Jan. 2021. [DOI], [PDF]

• Dongwan Kim, Jung-Hyok Kwon, and Eui-Jik Kim, "TSCH Multiple Slotframe Scheduling for Ensuring Timeliness in TS-SWIPT-Enabled IoT Networks," Electronics, vol. 10, no. 1, pp. 48:1–48:20, Dec. 2020. [DOI], [PDF]

• Hwi-Ho Lee, Jung-Hyok Kwon, and Eui-Jik Kim, "Design and Implementation of Virtual Private Storage Framework Using Internet of Things Local Networks," Symmetry-Basel, vol. 12, no. 3, pp. 489:1–489:12, Mar. 2020. [DOI], [PDF]

• Jung-Hyok Kwon and Eui-Jik Kim, "Failure Prediction Model Using Iterative Feature Selection for Industrial Internet of Things," Symmetry-Basel, vol. 12, no. 3, pp. 454:1–454:12, Mar. 2020. [DOI], [PDF]

• Sangwoo Lee, Jung-Hyok Kwon, Ben Lee, and Eui-Jik Kim, "Scientific Literature Information Extraction Using Text Mining Techniques for Human Health Risk Assessment of Electromagnetic Fields," Sensors and Materials, vol. 32, no. 1, pp. 149–157, Jan. 2020. [DOI], [PDF]

• Yong-Seong Kim, Jung-Hyok Kwon, Yongseok Lim, Eui-Jik Kim, Dongwan Kim, and Yong Sin Kim, "Hybrid Medium Access Control for Time-Switching Simultaneous Wireless Information and Power Transfer," Sensors and Materials, vol. 31, no. 11, pp. 3549–3558, 2019. [DOI], [PDF]

• Chintalapalli Jyothi, Jaehoon Park and Eui-Jik Kim, "Optimization of Ferroelectric Phase in Poly(vinylidene fluoride co-hexafluoropropylene) under Different Annealing Conditions," Sensors and Materials, vol. 31, no. 7, pp. 2323–2331, 2019. [DOI], [PDF]

• Jung-Hyok Kwon and Eui-Jik Kim, "Machine Failure Analysis Using Nearest Centroid Classification for Industrial Internet of Things," Sensors and Materials, vol. 31, no. 5, pp. 1751–1757, May 2019. [DOI], [PDF]

• Jung-Hyok Kwon, Eui-Jik Kim, and Dongwan Kim, "Slotframe Partitioning-based Cell Scheduling for IEEE 802.15.4 Time Slotted Channel Hopping," Sensors and Materials, vol. 31, no. 5, pp. 1419–1427, May 2019. [DOI], [PDF]

• Jung-Hyok Kwon and Eui-Jik Kim, "Accident Prediction Model Using Environmental Sensors for Industrial Internet of Things," Sensors and Materials, vol. 31, no. 2, pp. 579–586, Feb. 2019. [DOI], [PDF]

• Heonju Lee, Xue Zhang, Eui-Jik Kim, and Jaehoon Park, "Structural and Electrical Characteristics of Solution-processed Copper Oxide Films for Application in Thin-film Transistors," Sensors and Materials, vol. 31, no. 2, pp. 501–507, Feb. 2019. [DOI], [PDF]

• Jung-Hyok Kwon, Minki Cha, Sol-Bee Lee, and Eui-Jik Kim, "Variable-categorized clustering algorithm using fuzzy logic for Internet of things local networks," Multimedia Tools and Applications, vol. 78, no. 3, pp. 2963–2982, Feb. 2019. [DOI], [PDF]

• Jyothi Chintalapalli, Jun-Ik Park, Jin-Hyuk Bae, Eui-Jik Kim, Sungkeun Baang, and Jaehoon Park, "Improved ferroelectric properties of P(VDF-TrFE) and P(VDF-HFP) blends for organic memory FETs," Molecular Crystals and Liquid Crystals, vol. 679, no. 1, pp. 48–57, Jan. 2019. [DOI], [PDF]

• Joel Ndikumana, Hyeon-Seok Jeong, Jin-Hyuk Bae, Eui-Jik Kim, and Jaehoon Park, "Effects of thermal annealing conditions on the electrical characteristics of TES-ADT thin-film transistors," Molecular Crystals and Liquid Crystals, vol. 679, no. 1, pp. 58–64, Jan. 2019. [DOI], [PDF]

• Jung-Hyok Kwon, Sol-Bee Lee, Jaehoon Park, Kyu-Sung Hwang, Yongseok Lim, and Eui-Jik Kim, "Adaptive Resource Observation for Congestion Alleviation using Constrained Application Protocol," International Journal of Engineering and Technology (UAE), vol. 7, no. 4.38, pp. 885–887, Dec. 2018. [DOI], [PDF]

• Hyunhee Park and Eui-Jik Kim, "Wake-Up Radio Resilient Scanning Mechanism for Mobile Device in IEEE 802.11ba," Sensors and Materials, vol. 30, no. 12, pp. 2961–2968, Dec. 2018. [DOI], [PDF]

• Hyeonju Lee, Xue Zhang, Jung Won Kim, Eui-Jik Kim, and Jaehoon Park, "Investigation of the Electrical Characteristics of Bilayer ZnO/In2O3 Thin-Film Transistors Fabricated by Solution Process," Materials, vol. 11, no. 11, pp. 2103:1–2103:10, Nov. 2018. [DOI], [PDF]

• Hwi-Ho Lee, Jung-Hyok Kwon, and Eui-Jik Kim, "FS-IIoTSim: a flexible and scalable simulation framework for performance evaluation of industrial Internet of things systems," Journal of Supercomputing, vol. 74, no. 9, pp. 4385–4402, Sep. 2018. [DOI], [PDF]

• Eui-Jik Kim, Jaehoon Park, Yongseok Lim, and Jung-Hyok Kwon, "Distributed Sensor Scheduling Scheme Using Euclidean Distance for Large-Scale Internet of Things Local Networks," Sensors and Materials, vol. 30, no. 8, pp. 1853–1858, Aug. 2018. [DOI], [PDF]

• Jung-Hyok Kwon, Jaehoon Park, and Eui-Jik Kim, "Load-Balanced Resource Directory Architecture for Large-Scale Internet of Things Local Networks," Sensors and Materials, vol. 30, no. 8, pp. 1817–1824, Aug. 2018. [DOI], [PDF]

• Sol-Bee Lee, Jung-Hyok Kwon, Eui-Jik Kim, and Jaehoon Park, "Implementation of Integrated Electronic Health Record and Mobile Personal Health Record Datasets for Improving Healthcare Services," Sensors and Materials, vol. 30, no. 8, pp. 1885-1890, Aug. 2018. [DOI], [PDF]

• Tae-Yoon Kim and Eui-Jik Kim, "Uplink scheduling of MU-MIMO gateway for massive data acquisition in Internet of things," Journal of Supercomputing, vol. 74, no. 8, pp. 3549–3563, Aug. 2018. [DOI], [PDF]

• Eui-Jik Kim, Hyo Hyun Choi, and Jung-Hyok Kwon, "Regional Density-aware Data Collection Using Unmanned Aerial Vehicle in Large-scale Wireless Sensor Networks," Sensors and Materials, vol. 30, no. 8, pp. 1735–1742, Aug. 2018. [DOI], [PDF]

• Yong-Seong Kim, Hwi-Ho Lee, Jung-Hyok Kwon, Yong Sin Kim, and Eui-Jik Kim, "Message Queue Telemetry Transport Broker with Priority Support for Emergency Events in Internet of Things," Sensors and Materials, vol. 30, no. 8, pp. 1715–1721, Aug. 2018. [DOI], [PDF]

• Eui-Jik Kim, Ho-Young Kim, Daehee Kim, and Dongwan Kim, "Adaptive Priority-based Medium Access Control Protocol for IEEE 802.15.6 Wireless Body Sensor Networks," Sensors and Materials, vol. 30, no. 8, pp. 1707–1713, Aug. 2018. [DOI], [PDF]

• Eui-Jik Kim, Jung-Hyok Kwon, Dongwan Kim, and Yongseok Lim, "Distributed Interference-aware Medium Access Control for IEEE 802.15.7 Visible Light Communications," Sensors and Materials, vol. 30, no. 8, pp. 1665–1670, Aug. 2018. [DOI], [PDF]

• Jung-Hyok Kwon, Sungkwan Youm, Jai-Jin Jung, and Eui-Jik Kim, "Quality Adaptation of Constrained Application Protocol Multimedia Streaming in Internet of Things," Sensors and Materials, vol. 30, no. 3, pp. 423–430, Feb. 2018. [DOI], [PDF]

• Sungmo Kim, Jung-Hyok Kwon, Sol-Bee Lee, Jaehoon Park, Dongwan Kim, and Eui-Jik Kim, "Energy-efficient Resource Directory Update Scheme for Constrained Application Protocol in Internet of Things," Sensors and Materials, vol. 30, no. 3, pp. 431–437, Feb. 2018. [DOI], [PDF]

• Minki Cha, Jung-Hyok Kwon, Sol-Bee Lee, Jaehoon Park, Sungkwan Youm, and Eui-Jik Kim, "Integrated Framework for Keyword-based Text Data Collection and Analysis," Sensors and Materials, vol. 30, no. 3, pp. 439-445, Feb. 2018. [DOI], [PDF]

• Jung-Hyok Kwon, Sol-Bee Lee, and Eui-Jik Kim, "Group-based concurrent transmissions for spatial efficiency in IEEE 802.15. 7 visible light communications," Applied Mathematical Modelling, vol. 53, pp. 709-721, Jan. 2018. [DOI], [PDF]

• Xue Zhang, Hyeonju Lee, Jungwon Kim, Eui-Jik Kim, and Jaehoon Park, "Solution-Processed Gallium-Tin-Based Oxide Semiconductors for Thin-Film Transistors," Materials, vol. 11, no. 1, pp. 46:1–46:13, Jan. 2018. [DOI], [PDF]

• Tae-Kook Kim, Jung-Hyok Kwon, and Eui-Jik Kim, "Categorization-based video streaming for traffic mitigation in content delivery services," Multimedia Tools and Applications, vol. 76, no. 23, pp. 25495–25510, Dec. 2017. [DOI], [PDF]

• Jung-Hyok Kwon, Sol-Bee Lee, Jaehoon Park, and Eui-Jik Kim, "Association Rule-based Predictive Model for Machine Failure in Industrial Internet of Things," Journal of Physics: Conference Series, vol. 892, No. 1, pp. 012008:1-012008:7, May 2017. [DOI], [PDF]

• Xue Zhang, Hyeonju Lee, Jung-Hyok Kwon, Eui-Jik Kim, and Jaehoon Park, "Low-Concentration Indium Doping in Solution-Processed Zinc Oxide Films for Thin-Film Transistors," Materials, vol. 10, no. 8, pp. 880:1–880:11, Aug. 2017. [DOI], [PDF]

• Tae-Yoon Kim, Dongwan Kim, Jung-Hyok Kwon, and Eui-Jik Kim, "Early Error Detection Strategy for Full-Duplex Communication in Wireless Sensor Networks," Sensors and Materials, vol. 29, no. 7, pp. 983–988, Jul. 2017. [DOI], [PDF]

• Jung-Hyok Kwon, Hwi-Ho Lee, Youngwoong Ko, Jai-Jin Jung, Eui-Jik Kim, and Cheong Hoon Seo, "Queue State-Based Parent Selection Algorithm for Large-Scale Wireless Sensor Networks," Sensors and Materials, vol. 29, no. 7, pp. 977–982, Jul. 2017. [DOI], [PDF]

• Jung-Hyok Kwon, Sungmo Kim, and Eui-Jik Kim, "Stepwise Adjustment of Constrained Application Protocol Observing Period for Internet of Things Applications Using Wireless Sensor Networks," Sensors and Materials, vol. 29, no. 7, pp. 855–858, Jul. 2017. [DOI], [PDF]

• Tae-Yoon Kim, Jung-Hyok Kwon, Youngwoong Ko, Jai-Jin Jung, Eui-Jik Kim, and Jae-Yong Park, "Virtual Multiple-Input and Multiple-Output Configuration for Massive Data Transmission in the Internet of Things," Sensors and Materials, vol. 29, no. 7, pp. 947–952, Jul. 2017. [DOI], [PDF]

• Jung-Hyok Kwon, Hwi-Ho Lee, and Eui-Jik Kim, "Big data analytics-based predictive modeling for stress management using healthcare system," Advanced Science Letters, vol. 23, no. 3, pp. 1585–1588, Mar. 2017. [DOI], [PDF]

• Minki Cha, Jung-Hyok Kwon, SungJin Kim, Taeshik Shon, and Eui-Jik Kim, "Data Aggregation Gateway Framework for CoAP Group Communications," Symmetry-Basel, vol. 8, no. 12, pp. 138:1–138:12, Dec. 2016. [DOI], [PDF]

• Jung-Hyok Kwon, Hwi-Ho Lee, Yongseok Lim, and Eui-Jik Kim, "Dominant Channel Occupancy for Wi-Fi Backscatter Uplink in Industrial Internet of Things," Applied Sciences-Basel, vol. 6, no. 12, pp. 427:1–427:17, Dec. 2016. [DOI], [PDF]

• Tae-Kook Kim and Eui-Jik Kim, "Internet of things network system using virtual access points," Advanced Science Letters, vol. 22, no. 11, pp. 3418–3421, Nov. 2016. [DOI], [PDF]

• Hyunhee Park and Eui-Jik Kim, "Location-oriented multiplexing transmission for capillary machine-to-machine systems," Multimedia Tools and Applications, vol. 75, no. 22, pp. 14707–14719, Nov. 2016. [DOI], [PDF]

• Tae-Yoon Kim and Eui-Jik Kim, "Multi-hop WBAN configuration approach for wearable machine-to-machine systems," Multimedia Tools and Applications, vol. 75, no. 20, pp. 12859–12878, Oct. 2016. [DOI], [PDF]

• Taekook Kim and Eui-Jik Kim, "View pattern-based adaptive streaming strategy for mobile content delivery services," Multimedia Tools and Applications, vol. 75, no. 20, pp. 12693–12704, Oct. 2016. [DOI], [PDF]

• Hyunhee Park, Changhoon Lee, Yang Sun Lee, and Eui-Jik Kim, "Performance analysis for contention adaptation of M2M devices with directional antennas," Journal of Supercomputing, vol. 72, no. 9, pp. 3387–3408, Sep. 2016. [DOI], [PDF]

• Eui-Jik Kim, Jung-Hyok Kwon, Ken Choi, and Taeshik Shon, "Unified Medium Access Control Architecture for Resource-Constrained Machine-to-Machine Devices," ACM Transactions on Embedded Computing Systems, vol. 15, no. 2, pp. 40:1–40:17, Mar. 2016. [DOI], [PDF]

• Jung-Hyok Kwon and Eui-Jik Kim, "Asymmetric Directional Multicast for Capillary Machine-to-Machine Using mmWave Communications," Sensors, vol. 16, no. 4, pp. 515:1–515:17, Apr. 2016. [DOI], [PDF]

• Hyunhee Park, Seunghyun Park, Jai-Jin Jung, and Eui-Jik Kim, "A Road Condition-based Routing and Greedy Data Forwarding Algorithm for VANETs," Ad Hoc & Sensor Wireless Networks, vol. 33, no. 1-4, pp. 301–319, 2016. [DOI], [PDF]

• Jung-Hyok Kwon, Hyun Soo Chang, Taeshik Shon, Jai-Jin Jung, and Eui-Jik Kim, "Neighbor stability-based VANET clustering for urban vehicular environments," Journal of Supercomputing, vol. 72, no. 1, pp. 161–176, Jan. 2016. [DOI], [PDF]

• Jung-Hyok Kwon and Eui-Jik Kim, "Adaptive multi-channel allocation for vehicular infrastructure mesh systems," Multimedia Tools and Applications, vol. 74, no. 5, pp. 1593–1609, Mar. 2015. [DOI], [PDF]

• Taekook Kim and Eui-Jik Kim, "Hybrid storage-based caching strategy for content delivery network services," Multimedia Tools and Applications, vol. 74, no. 5, pp. 1697–1709, Mar. 2015. [DOI], [PDF]

• Hyunhee Park, Seunghyun Park, Taeshik Shon, and Eui-Jik Kim, "Multi-hop-based opportunistic concurrent directional transmission in 60 GHz WPANs," Multimedia Tools and Applications, vol. 74, no. 5, pp. 1627–1644, Mar. 2015. [DOI], [PDF]

• Young Woong Ko, Sun-Jeong Kim, Jin Kim, Eui-Jik Kim, and Jung Min So, "Energy Efficient Metadata Management for Cloud Storage System," International Journal of Distributed Sensor Networks, vol. 2015, no. 626575, pp. 1–9, Sep. 2015. [DOI], [PDF]

• Sungkwan Youm, Jai-Jin Jung, Youngwoong Ko, and Eui-Jik Kim, "Resource Efficient Handover Strategy for LTE Femtocells," International Journal of Distributed Sensor Networks, vol. 2015, no. 962837, pp. 1–8, Sep. 2015. [DOI], [PDF]

• Taekook Kim and Eui-Jik Kim, "A Novel 3D Indoor Localization Scheme Using Virtual Access Point," International Journal of Distributed Sensor Networks, vol. 2014, no. 297689, pp. 1–6, Apr. 2014. [DOI], [PDF]

• Seunghyun Park, Hyunhee Park, and Eui-Jik Kim, "Distributed Relay-Assisted Retransmission Scheme for Wireless Home Networks," International Journal of Distributed Sensor Networks, vol. 2014, no. 683146, pp. 1–10, Apr. 2014. [DOI], [PDF]

• Sungkwan Youm and Eui-Jik Kim, "Latency and Jitter Analysis for IEEE 802.11e Wireless LANs," Journal of Applied Mathematics, vol. 2013, no. 792529, pp. 1–9, Dec. 2013. [DOI], [PDF]

• Eui-Jik Kim and Sungkwan Youm, "Selective Cooperative Transmission in Ad Hoc Networks with Directional Antennas," International Journal of Distributed Sensor Networks, vol. 2013, no. 473609, pp. 1–9, Nov. 2013. [DOI], [PDF]

• Eui-Jik Kim, Sungkwan Youm, Taeshik Shon, and Chul-Hee Kang, "Stable pairwise time synchronization in the application layer for capillary machine-to-machine networks," Computers & Electrical Engineering, vol. 39, no. 7, pp. 2207–2213, Oct. 2013. [DOI], [PDF]

• Eui-Jik Kim, Sungkwan Youm, Taeshik Shon, and Chul-Hee Kang, "Asynchronous Inter-Network Interference Avoidance for Wireless Body Area Networks," Journal of Supercomputing, vol. 65, no. 2, pp. 562–579, Oct. 2013. [DOI], [PDF]

• Sungkwan Youm, Taeshik Shon, and Eui-Jik Kim, "Integrated Multicast Routing Algorithms considering Traffic Engineering for Broadband IPTV Services," EURASIP Journal on Wireless Communications and Networking, vol. 2013, no. 127, pp. 1–10, May 2013. [DOI], [PDF]

• Taeshik Shon, Hyo Hyun Choi, and Eui-Jik Kim, "Joint Routing and Scheduling in Multi-Channel Capillary Machine-to-Machine Networks," EURASIP Journal on Wireless Communications and Networking, vol. 2013, no. 126, pp. 1–9, May 2013. [DOI], [PDF]

• Eui-Jik Kim and Sungkwan Youm, "Machine-to-Machine Platform Architecture for Horizontal Service Integration," EURASIP Journal on Wireless Communications and Networking, vol. 2013, no. 79, pp. 1–9, Mar. 2013. [DOI], [PDF]

• Eui-Jik Kim, Taeshik Shon, James Jong Hyuk Park, and Chul-Hee Kang, "Latency bounded and energy efficient MAC for wireless sensor networks," IET Communications, vol. 6, no. 14, pp. 2120–2127, Sep. 2012. [DOI], [PDF]

• Jongbin Ko, Jungtaek Seo, Eui-Jik Kim, and Taeshik Shon, "Monitoring Agent for Detecting Malicious Packet Drops for Wireless Sensor Networks in the Microgrid and Grid-enabled Vehicles," International Journal of Advanced Robotic Systems, vol. 9, no. 31, pp. 1–9, Mar. 2012. [DOI], [PDF]

• Hyunhee Park, Taeshik Shon, Seunghyun Park, and Eui-Jik Kim, "Adaptive anomaly control for alleviating the exclusive channel occupation in wireless networks," International Journal of Communication Systems, vol. 26, no. 6, pp. 720–731, Jun. 2013. [DOI], [PDF]

• Eui-Jik Kim, Sungkwan Youm, and Hyo Hyun Choi, "Queuing Analysis for IEEE 802.11e Networks in Non-Saturation Environments," International Journal of Advanced Robotic Systems, vol. 9, no. 13, pp. 1–9, Apr. 2012. [DOI], [PDF]

• Hyunhee Park, Taeshik Shon, Seunghyun Park, and Eui-Jik Kim, "An Adaptive Allocation Algorithm using Directional CSMA/CA over mmWave Wireless Personal Area Networks," International Journal of Advanced Robotic Systems, vol. 9, no. 17, pp. 1–10, Apr. 2012. [DOI], [PDF]

• Eui-Jik Kim, Jeongsik In, Sungkwan Youm, and Chul-Hee Kang, "Delay Attack-Resilient Clock Synchronization for Wireless Sensor Networks," IEICE Transactions on Information and Systems, vol. E95D, no. 1, pp. 188–191, Jan. 2012. [DOI], [PDF]

• Eui-Jik Kim, Sungkwan Youm, and Chul-Hee Kang, "Power-Controlled Topology Optimization and Channel Assignment for Hybrid MAC in Wireless Sensor Networks," IEICE Transactions on Communications, vol. E94B, no. 9, pp. 2461–2472, Sep. 2011. [DOI], [PDF]

• Eui-Jik Kim, Taeshik Shon, James Jong Hyuk Park, and Young-Sik Jeong, "Throughput Fairness Enhancement Using Differentiated Channel Access in Heterogeneous Sensor Networks," Sensors, vol. 11, no. 7, pp. 6629–6644, Jul. 2011. [DOI], [PDF]

• Taeshik Shon, Eui-jik Kim, Jeongsik In, and Yongsuk Park, "Design and Implementation of Hybrid MAC-Based Robust Architecture for Wireless Sensor Network," IEICE Transactions on Communications, vol. E93B, no. 4, pp. 1016–1019, Apr. 2010. [DOI], [PDF]

• Eui-Jik Kim, Sungkwan Youm, and Hyo-Hyun Choi, "Energy-Efficient BOP-Based Beacon Transmission Scheduling in Wireless Sensor Networks," IEICE Transactions on Communications, vol. E91B, no. 11, pp. 3469–3479, Nov. 2008. [DOI], [PDF]

• Eui-Jik Kim, Meejoung Kim, Sung-Kwan Youm, Seokhoon Choi, and Chul-Hee Kang, "Priority-based service differentiation scheme for IEEE 802.15.4 sensor networks," AEU - International Journal of Electronics and Communications, vol. 61, no. 2, pp. 69–81, Feb. 2007. [DOI], [PDF]

International Conferences

• Jung-Hyok Kwon and Eui-Jik Kim, "Channel State Information-based Distance Estimation System for Internet of Things," CSA 2024.

• Jung-Hyok Kwon, Sol-Bee Lee, and Eui-Jik Kim, "BlockEdge-based Private Virtual Storage for Personal Data Privacy Protection," IEEE ISC2 2024.

• Inhyeok Kang, Sol-Bee Lee, Jung-Hyok Kwon, and Eui-Jik Kim, "Traffic-aware GTS Allocation Interval Determination for IEEE 802.15.4 DSME Networks," IEEE e-Science 2024. [DOI], [PDF]

• Jung-Hyok Kwon and Eui-Jik Kim, "Lifetime Extension Strategy for IEEE 802.15.4 DSME-based Wireless Powered Sensor Networks," IEEE I&CPS ASIA 2024. [DOI], [PDF]

• Sol-Bee Lee, Jung-Hyok Kwon, and Eui-Jik Kim, "Q-learning-based Traffic-aware Parent Selection for Wireless Powered Sensor Networks," ICAIIC 2024. [DOI], [PDF]

• Chihyun Song, Jaemin Kim, Jeongyeup Paek, Jung-Hyok Kwon, and Sungrae Cho, "Survey on Cell-Free Massive MIMO with Limited Fronthaul," ICOIN 2024. [DOI], [PDF]

• Van Dat Tuong, Dongwan Kim, Eui-Jik Kim, Jeongyeup Paek, and Sungrae Cho, "Optimal Resource Allocation for NOMA-Assisted Backscatter Communication in 6G Internet of Vehicles Networks," ICOIN 2024. [Best Paper Award] [DOI], [PDF] 

• Jung-Hyok Kwon, Dongwan Kim, Yongseok Lim, Yong-Seong Kim, and Eui-Jik Kim, "BlockEdge-based Trusted Remote Control Using Decentralized Identifier in Internet of Things," ICIoTC 2024.

• Jung-Hyok Kwon, Jaehoon Park, and Eui-Jik Kim, "Q-Learning-based Access Priority Control in Internet of Medical Things," ICONI 2023.

• Jung-Hyok Kwon, Dongwan Kim, and Eui-Jik Kim, "Reinforcement Learning-based Contention Window Adjustment for Wireless Body Area Networks," IBDAP 2023. [DOI], [PDF] 

• Jung-Hyok Kwon, Dongwan Kim, Yongseok Lim, Yong-Seong Kim, and Eui-Jik Kim, "Secure Data Acquisition Using Blockchain-Based Decentralized Identifier in Internet of Medical Things," ICIoTC 2023.

• Jung-Hyok Kwon, Sol-Bee Lee, and Eui-Jik Kim, "Electoencephalography-based Fatigue Assessment for Internet of Medical Things System," APIC-IST 2023.

• Sol-Bee Lee, Jung-Hyok Kwon, and Eui-Jik Kim, "Impact of Slotframe Length on Performance of TSCH-based Wireless Powered Sensor Networks," CPEEE 2023. [DOI], [PDF]

• Jung-Hyok Kwon, Dongwan Kim, Yongseok Lim, Yong-Seong Kim, Dongwook Kim, Jaehoon Park, and Eui-Jik Kim, "Delay Cost Model for Task Offloading in Edge-Assisted Internet of Medical Things," ICIoTC 2023.

• Dongwook Kim, Hyunju Lee, Jung-Hyok Kwon, Jaehoon Park, Bokyoung Kim, and Eui-Jik Kim, "Advanced Signal Processing of Photo-Excited Current Spectroscopy Based on Trap State Distribution for Photo-Sensor Applications," ICOIN 2023. [DOI], [PDF] 

• Jung-Hyok Kwon and Eui-Jik Kim, "Quantization-based Data Size Reduction for Energy-Efficient Internet of Medical Things," IEEE ICPEI 2022. [DOI], [PDF]

• Ansary Shafew, Eui-Jik Kim, and Dongwan Kim, "A Study on mmWave Sensor Technology and its Applications," ICTC 2022.

• Sang-Woo Lee, Jung-Hyok Kwon, Sol-Bee Lee, Nam Kim, Hyung Do Choi, and Eui-Jik Kim, "Comparative Study of Word Embeddings for Classification of Scientific Article on Human Health Risk of Electromagnetic Fields," IEEE GCCE 2022. [DOI], [PDF]

• Jung-Hyok Kwon, Dongwan Kim, Yongseok Lim, Yong-Seong Kim, and Eui-Jik Kim, "Low-Overhead Harvest-Then-Transmit in TSCH-Based Wireless Powered Sensor Networks," ITC-CSCC 2022. [DOI], [PDF]

• Sol-Bee Lee and Eui-Jik Kim, "Energy Efficient TSCH Scheduling for Wireless Powered Sensor Networks," IEEE ICKII 2021.

• Sang-Woo Lee and Eui-Jik Kim, "OCF to iBeacon Bridging Technique for iBeacon-based Service in OCF Ecosystem," IEEE ICKII 2021.

• Sang-Woo Lee, Sol-Bee Lee, Jung-Hyok Kwon, and Eui-Jik Kim, "Traffic-Adaptive Inactive Period Allocation for IEEE 802.15.4 Deterministic Synchronous Multichannel Extension," IEEE ECICE 2020.

• Sol-Bee Lee, Sang-Woo Lee, Jung-Hyok Kwon, and Eui-Jik Kim, "Energy-efficient Parent Selection Algorithm for SWIPT in Wireless Sensor Networks," IEEE ECICE 2020.

• Sungkwan Youm, Yong-Kab Kim, Kwang-Seong Shin, and Eui-Jik Kim, "An Authorized Access Attack Detection Method for Realtime Intrusion Detection System," IEEE CCNC 2020. [DOI], [PDF]

• Jung-Hyok Kwon, Sang-Woo Lee, Sol-Bee Lee, and Eui-Jik Kim, "Impact of Correlation-based Feature Selection on Photovoltaic Power Prediction," TIMES-iCON 2019. [DOI], [PDF]

• Sungkwan Youm and Eui-Jik Kim, "A Fast Probing Detection Method using Hybrid Machine Learning Algorithms," Mobihoc 2019. [DOI], [PDF]

• Jung-Hyok Kwon, Eui-Jik Kim, Jaehoon Park, Yongseok Lim, Yong-Seong Kim, and Dongwan Kim, "Impact of Slotframe Length on End-to-End Delay in IEEE 802.15.4 TSCH Network," ICCE-Asia 2019. [DOI], [PDF]

• Jung-Hyok Kwon, Sang-Woo Lee, and Eui-Jik Kim, "Dynamic Frame Length Adaptation for Anti-Collision Management in Wi-Fi Backscatter System," PlatCon 2019. [DOI], [PDF]

• Jung-Hyok Kwon, Sang-Woo Lee, Jaehoon Park, Dongwan Kim, and Eui-Jik Kim, "Extraction of Purpose Statement from Scientific Articles on Health Effects of Electromagnetic Fields," ICFICE 2018.

• Jung-Hyok Kwon, Sol-Bee Lee, Jaehoon Park, Kyu-Sung Hwang, Yongseok Lim, and Eui-Jik Kim, "Adaptive Resource Observation for Congestion Alleviation using Constrained Application Protocol," ICBST 2018.

• Jung-Hyok Kwon, Minki Cha, Sol-Bee Lee, Ho-Young Kim, and Eui-Jik Kim, "Load Balanced-Trickle Timer in Routing Protocol for Low Power and Lossy Network," ICCT 2017.

• Sol-Bee Lee, Jung-Hyok Kwon, Hwi-Ho Lee, Ho-Young Kim, and Eui-Jik Kim, "Safety Management Model based on Predictive Association Rules for Industrial Internet of Things," ICCT 2017.

• Jung-Hyok Kwon, Yongseok Lim, Dongwan Kim, and Eui-Jik Kim, "Anti-collision Management for Multiple Tags in Wi-Fi Backscatter System," APIC-IST 2017.

• Jung-Hyok Kwon, Sol-Bee Lee, Jaehoon Park, and Eui-Jik Kim, "Device Failure Prediction Model based on Association Analysis for Industrial IoT," ICCSCM 2017.

• Jung-Hyok Kwon, Sungmo Kim, Sol-Bee Lee, Ho-Young Kim, and Eui-Jik Kim, "Buffer Overflow Estimation for CoAP Observing Period Adaptation," CAMDE 2017.

• Ha-Ra Oh, Jung-Hyok Kwon, Minki Cha, Wonyong An, and Eui-Jik Kim, "An Implementation of Decision Tree-based Obesity Prediction Model for Big Data Healthcare System," ICCT 2016.

• Sungmo Kim, Jung-Hyok Kwon, Hwi-Ho Lee, Sol-Bee Lee, and Eui-Jik Kim, "Enhanced Dynamic Observing Period Adjustment for CoAP-based Monitoring System," ICCT 2016.

• Jung-Hyok Kwon, Cheolhee Kwon, Jai-Jin Jung, Hwi-Ho. Lee, Jieun Jang, and Eui-Jik Kim, "A Stable Clustering Scheme for Urban VANETs," ICCT 2015.

• Jung-Hyok Kwon, Cheolhee Kwon, and Eui-Jik Kim, "Neighbor Mobility-based Clustering Scheme for Vehicular Ad Hoc Networks," PlatCon 2015. [DOI], [PDF]

• Tae-Yoon Kim, Sungkwan Youm, Jai-Jin Jung, and Eui-Jik Kim, "Multi-hop WBAN Construction for Healthcare IoT Systems," PlatCon 2015. [DOI], [PDF]

• Jaesuk Ahn, Eui-Jik Kim, Bokuk Seo, Ki-Young Lee, and Eunju Kim, "Open Cloud Architecture for Public Sector: Requirements and Architecture," PlatCon 2015. [DOI], [PDF]

• Eui-Jik Kim and Jai-Jin Jung, "Adaptive CAP Assignment Approach for IEEE 802.15.3c," CSA 2014. [DOI], [PDF]

• Eui-Jik Kim, Jung-Hyok Kwon, Chul-Hee Kang, and Sang-Hong Lee, "Transmission frame assignment for latency-bounded data delivery in WSNs," ICOIN 2013. [DOI], [PDF]

• Eui-Jik Kim, Sung-Phil Heo, Hak-Jin Chong, and Han-Wook Jung, "Integrated hybrid MAC and topology control scheme for M2M area networks," APNOMS 2012. [DOI], [PDF]

• Jung-Hyok Kwon, Eui-Jik Kim, and Chul-Hee Kang, "CAD-MAC: Coverage Adaptive Directional Medium Access Control for mmWave Wireless Personal Area Networks," WAINA 2012. [DOI], [PDF]

• Jung-Hyok Kwon, Eui-Jik Kim, Hyunhee Park, Sang-Hong Lee, and Chul-Hee Kang, "DC-MAC: Directional cooperative MAC for ad-hoc networks," ICOIN 2012. [DOI], [PDF]

• Eui-Jik Kim, Jeongsik In, Taeshik Shon, Yongsuk Park, and Bong Wan Jun, "Design and Implementation of Energy-Efficient and Secure Framework for Wireless Sensor Networks," NBiS 2009. [DOI], [PDF]

• Eui-Jik Kim and Hyo-Hyun Choi, "EBBS: Energy-efficient BOP-based Beacon transmission Scheduling for WSNs," PIMRC 2008. [DOI], [PDF]

• Ca Van Phan, Thuy-Dan Nguyen, Eui Jik Kim, Hyo Hyun Choi, and Jeong Geun Kim, "Performance Analysis of an Opportunistic Transmission Scheme for Wireless Sensor Networks," ICC 2008. [DOI], [PDF]

• Tae-Yoon Kim, Sungkwan Youm, Eui-Jik Kim, and Chul-Hee Kang, "A Service Differentiation Mechanism for Improving the Performance of IEEE 802.15.4 Sensor Networks," ISPA 2006. [DOI], [PDF]

• Eui-Jik Kim, Meejoung Kim, Sungkwan Youm, Seokhoon Choi, and Chul-Hee Kang, "Multi-level Service Differentiation Scheme for the IEEE 802.15.4 Sensor Networks," EUC Workshops 2005. [DOI], [PDF]

Domestic Journals

• 이솔비, 권정혁, 나화진, 김경태, 문형진, 김부영, 심우성, 김동완, 김의직, "해상 통신에서 지상파 VHF 데이터 교환을 위한 간섭 인지 기반 자원 할당 기법," 사물인터넷융복합논문지, vol. 10, no. 4, pp. 109–115, 2024년 8월. [DOI], [PDF]

• 권혁돈, 권정혁, 이솔비, 김의직, "채널 상태 정보를 활용한 LoS/NLoS 식별 기반 인간 행동 인식 시스템," 사물인터넷융복합논문지, vol. 10, no. 3, pp. 57–64, 2024년 6월. [DOI], [PDF]

• 권혁돈, 이솔비, 권정혁, 김의직, "심층 인공신경망을 활용한 Smoothed RSSI 기반 거리 추정," 사물인터넷융복합논문지, vol. 9, no. 2, pp. 71–76, 2023년 4월. [DOI], [PDF]

• 권정혁, 최효현, 김의직, "Wake-Up Radio를 활용한 지역화 TSCH 슬롯프레임 기반 항공 데이터 수집 연구," 사물인터넷융복합학회지, vol. 8, no. 2, pp. 1–6, 2022년 4월. [DOI], [PDF]

• 이연희, 이상우, 김의직, "이상치 보정을 활용한 BLE Beacon 기반 실내 거리 측정 기법," 디지털콘텐츠학회논문지, vol. 22, no. 5, pp. 839–845, 2021년 5월. [DOI], [PDF]

• 이상우, 김남, 최형도, 김의직, "전자파 인체 유해성 평가를 위한 논문 데이터베이스 구축," 디지털콘텐츠학회논문지, vol. 22, no. 5, pp. 817–822, 2021년 5월. [DOI], [PDF]

• 고하나, 이솔비, 김의직, "LSTM 모델 기반 리튬이온 배터리의 SOH 예측," 디지털콘텐츠학회논문지, vol. 22, no. 4, pp. 697–703, 2021년 4월. [DOI], [PDF]

• 이상우, 권정혁, 김남, 최형도, 김의직, "전자파 인체영향 연구논문에 대한 연구형태 자동분류 연구," 한국전자파학회논문지, vol. 31, no. 10, pp. 839–842, 2020년 10월. [DOI], [PDF]

• 안미영, 김의직, "토론 수업 채점을 위한 클라우드 기반 평가 시스템 설계 및 구현," 디지털콘텐츠학회논문지, vol. 20, no. 7, pp. 1473–1479, 2019년 7월. [DOI], [PDF]

• 장지은, 김의직, "Survey on Industrial Wireless Network Technologies for Smart Factory," Journal of Platform Technology, vol. 4, no. 1, pp. 3–10, 2016년 3월. [DOI], [PDF]

Domestic Conferences

• 강인혁, 권정혁, 이솔비, 김의직, "IEEE 802.15.4 DSME 네트워크를 위한 Multi-superframe Order 설정 연구," 한국통신학회 2025년도 동계종합학술대회, 2025년 2월.

• 운석현, 이솔비, 권정혁, 김의직, "채널 상태 정보를 활용한 합성곱 신경망 기반 인간 행동 인식 시스템 구현," 한국통신학회 2025년도 동계종합학술발표회, 2025년 2월.

• 강인혁, 권정혁, 이솔비, 운석현, 김의직, "IEEE 802.15.4 DSME 네트워크에서 결정적 종단 간 지연을 위한 프레임 분할 기반 자원 할당 기법 연구," 한국디지털콘텐츠학회 하계종합학술대회, 2024년 6월.

• 김재민, 오준석, 이동현, 원동욱, 송치현, 허동현, 백정엽, 김의직, 조성래, "딥러닝 최적화 기법을 통한 통신 네트워크 트래픽 예측: 기술의 최신 연구 동향과 포괄적 조사," 한국통신학회 2024년도 동계종합학술발표회, 2024년 1월.

• 송치현, 이동현, 오준석, 허동현, 백정엽, 김의직, 조성래, "Cell-Free Massive MIMO의 Pilot Contamination에 관한 연구 동향 조사," 한국통신학회 2024년도 동계종합학술발표회, 2024년 1월.

• 홍성훈, 이동현, 오준석, 송치현, 백정엽, 김의직, 조성래, "Massive MIMO-NOMA 를 위한 사용자 클러스터링 기술 동향 조사," 한국통신학회 2024년도 동계종합학술발표회, 2024년 1월.

• 허동현, 이동현, 오준석, 송치현, 백정엽, 조성래, 김의직, "저지연을 위한 포그 기반 스마트 그리드에 관한 연구조사," 한국통신학회 2024년도 동계종합학술발표회, 2024년 1월.

• 이솔비, 권정혁, 김의직, "전자파 인체 유해성 평가를 위한 논문 데이터베이스 기반 사용자 인터페이스 구축," 한국전자파학회 하계종합학술대회, 2023년 8월.

• 권혁돈, 이솔비, 권정혁, 김의직, "Nexmon 오픈소스를 활용한 Channel State Information 캡처 시스템 개발," 한국전자파학회 동계종합학술대회, 2023년 2월.

• 김준호, 이솔비, 권정혁, 김의직, "양자화 기반 데이터 압축 알고리즘 지원 경량 사물인터넷 디바이스 개발," 한국전자파학회 동계종합학술대회, 2023년 2월.

• 이솔비, 권정혁, 이상우, 권혁돈, 김의직, "무선 전력 통신 네트워크를 위한 듀얼 밴드 슈퍼프레임 구조 연구," 한국통신학회 2022년도 하계종합학술발표회, 2022년 6월.

• 이솔비, 권정혁, 김의직, "의료 사물인터넷에서 에너지 균형적인 무선전력전송을 위한 소모 에너지 추정 기반 스케줄링 기법 연구," 한국통신학회 2022년도 동계종합학술발표회, 2022년 2월.

• 이솔비, 권정혁, 김의직, "통학 차량 안전사고 예방을 위한 선형회귀 기반 거리 추정 모델," 한국통신학회 2021년도 하계종합학술발표회, 2021년 6월.

• 이상우, 권정혁, 김의직, "기상 데이터를 활용한 순환신경망 기반 태양광 발전량 예측 시스템," 한국통신학회 2021년도 하계종합학술발표회, 2021년 6월.

• 김재욱, 김의직, 임용석, 김동완, "mmWave 전파센싱을 통한 표면상태검출에 대한 연구," 제31회 통신정보 합동학술대회 (JCCI 2021), 2021년 4월.

• 이연희, 이상우, 이솔비, 김의직, 권정혁, "무구속 무자각 헬스케어를 위한 EOG 기반 사용자 피로도 측정 시스템," 한국정보과학회 한국소프트웨어 종합학술대회, 2019년 12월.

• 고하나, 이솔비, 이상우, 권정혁, 김의직, "BLE 비콘을 활용한 통학차량 승하차 인식 시스템," 한국정보과학회 한국소프트웨어 종합학술대회, 2019년 12월.

• 이솔비, 임용석, 임승옥, 권정혁, 김의직, "저지연 RF 무선전력전송을 위한 TDD 기반 MAC Superframe 구조 연구," 한국전자파학회 하계종합학술대회, 2019년 8월.

• 이상우, 이솔비, 고하나, 이연희, 권정혁, 김의직, "전자파 인체영향 관련 연구논문 분류를 위한 Doc2Vec 및 t-SNE 기반 군집분석 연구," 한국전자파학회 하계종합학술대회, 2019년 8월.

• 이솔비, 임용석, 김의직, "Contiki-NG 기반 IEEE 802.15.4 TSCH 처리량 분석," 한국정보통신학회 추계학술대회, 2018년 6월.

• 김호영, 이솔비, 정구현, 이휘호, 권정혁, 김의직, "무인항공기를 활용한 공사현장 안전관리 시스템," 한국사물인터넷학회 드론 종합학술대회, 2017년 11월.

• 배준희, 김호영, 이솔비, 이휘호, 권정혁, 김의직, "건설 현장에서의 재난 안전관리용 드론 기술 조사," 한국사물인터넷학회 드론 종합학술대회, 2017년 11월.

• 이솔비, 권정혁, 이휘호, 차민기, 김성모, 김호영, 김의직, "공사현장의 안전사고 예방을 위한 연관규칙 분석 기반 사고 예측모델," 한국통신학회 2017년도 하계종합학술발표회, 2017년 6월.

Patents

US Patents

• [등록] "Communication method and apparatus in wireless body area network", Seung-Hoon Park, Yongsuk Park, Jeongsik In, Eui-Jik Kim
  >> 등록번호: US09338659 (2016.05.10)

• [등록] "Server for providing traffic image to user device, and the user device", Seok-Woo Kim, Se-Hoon Kim, Eui-Jik Kim, Jin-Soo Park, Han-Wook Jung, Sung-Phil Heo
  >> 등록번호: US09262916 (2016.02.16)

• [등록] "System, method and apparatus for wireless network connection using near field communication", Tae-Shik Shon, Yong-Suk Park, Soon-Seob Han, Jeong-Sik In, Bong-Wan Jun, Tae-Won Ahn, Eui-Jik Kim, Bon-Hyun Koo
  >> 등록번호: US09113393 (2015.08.18)

• [등록] "Method of allocating logical channels in wireless sensor network",  Eui-Jik Kim, Jeong-Sik In, Hyo-Hyun Choi
  >> 등록번호: US08730988 (2014.05.20)

• [등록] "Wireless sensor network and management method for the same", Soon Seob Han, Eui Jik Kim, Kang Young Moon
  >> 등록번호: US08583768 (2013.11.12)

• [등록] "Time slot allocation method for reducing consumption of energy in wireless sensor network", Bong-Wan Jun, Jeong-Sik In, Eui-Jik Kim, Hyo-Hyun Choi
  >> 등록번호: US08423657(2013.04.16)

• [등록] "Wireless sensor network and method for performing communication therein", Eui Jik Kim, Sun Gi Kim, Hyo Hyun Choi, Jeong Geun Kim, Van Ca Phan
  >> 등록번호: US08340053 (2012.12.25)

• [등록] "Packet transmission method for wireless personal area network",  Eui Jik Kim, Sun Gi Kim, Hyo Hyun Choi, Jeong Geun Kim
  >> 등록번호: US08335155 (2012.12.18)

• [등록] "Method for power consumption in wireless sensor network", Jeong-Sik In, Hyo-Hyun Choi, Eui-Jik Kim
  >> 등록번호: US08265045 (2012.09.11)

• [등록] "Terminal and method for wireless sensor network for determining contention windows in contention-based channel access", Eui Jik Kim, Sun Gi Kim, Hyo Hyun Choi, Vu Thuy Dan Nguyen, Jeong Geun Kim
  >> 등록번호: US08194695 (2012.06.05)

• [등록] "Method for transmitting and receiving data using beacon scheduling in wireless sensor network",  Eui-Jik Kim
  >> 등록번호: US08189554 (2012.05.29)

• [등록] "Wireless sensor network system and cluster management method thereof",  Eui Jik Kim, Hyo Hyun Choi
  >> 등록번호: US08055740 (2011.11.08)

• [등록] "Network device and data transmission method thereof in wireless sensor network",  Eui Jik Kim, Sun Gi Kim, Hyo Hyun Choi, Jeong Geun Kim
  >> 등록번호: US07916650 (2011.03.29)

European Patents

• [등록] "Communication Method and Apparatus in Wireless Body Area Network",  Seung-Hoon Park, Yongsuk Park, Jeongsik In, Eui-Jik Kim
  >> 등록번호: EP02454831 (2018.09.05)

• [등록] "System, method and apparatus for wireless network connection using near field communication", Tae-Shik Shon, Yong-Suk Park, Soon-Seob Han, Jeong-Sik In, Bong-Wan Jun, Tae-Won Ahn, Eui-Jik Kim, Bon-Hyun Koo
  >> 등록번호: EP02285163 (2017.06.07)

Japanese Patents

• [등록] "Method of Time-slot Allocation for Reducing Consumption of Energy in Wireless Sensor Network", Bong-Wan Jun, Jeong-Sik In,  Eui-Jik Kim, Hyo Hyun Choi
  >> 등록번호: JP05581038 (2014.07.18)

Korean Patents

• [등록] "TSCH 슬롯프레임을 바탕으로 지역 별 센싱 데이터를 수집하는 무인 항공기의 제어 방법", 김의직, 권정혁
  >> 등록번호: 10-2714223 (2024.09.30)
  >> 출원번호: 10-2022-0078284 (2022.06.27)

• [등록] "양자화를 기반하여 센싱 데이터를 축소시키는 시스템, 방법 및 프로그램", 김의직, 권정혁
  >> 등록번호: 10-2689215 (2024.07.24)
  >> 출원번호: 10-2022-0127323 (2022.10.05)

• [등록] "지역 별로 구비된 센서 장치 및 무인 항공기를 포함하는 시스템", 김의직, 권정혁
  >> 등록번호: 10-2687464 (2024.07.18)
  >> 출원번호: 10-2022-0078285 (2022.06.27)

• [등록] "전력 셀 및 데이터 셀의 개수를 산출하는 센서 장치, 시스템, 방법 및 프로그램", 김의직, 권정혁
  >> 등록번호: 10-2607547 (2023.11.24)
  >> 출원번호: 10-2022-0059410 (2022.05.16)

• [등록] "PRU의 잔여 에너지량을 기반으로 DPS를 할당하는 PTU, 및 WPSN 시스템", 김의직, 권정혁, 이솔비
  >> 등록번호: 10-2585743 (2023.09.27)
  >> 출원번호: 10-2021-0156897 (2021.11.15)

• [등록] "슈퍼프레임 내 슬롯 구성을 기반으로 각 PRU의 잔여 에너지량을 추정하는 PTU, 및 WPSN 시스템", 김의직, 권정혁, 이솔비
  >> 등록번호: 10-2585744 (2023.09.27)
  >> 출원번호: 10-2021-0156896 (2021.11.15)

• [등록] "노드 간 정보 공유를 활용하여 GTS를 할당하는 DSME 멀티 슈퍼프레임 슬롯 스케줄링 방법", 김의직, 권정혁
  >> 등록번호: 10-2537175 (2023.05.23)
  >> 출원번호: 10-2021-0066842 (2021.05.25)

• [등록] "트래픽 부하에 따라 GTS를 할당하는 DSME 멀티 슈퍼프레임 슬롯 스케줄링 방법", 김의직, 박재훈, 권정혁
  >> 등록번호: 10-2537174 (2023.05.23)
  >> 출원번호: 10-2021-0066001 (2021.05.24)

• [등록] "CFP 확장을 위해 CAP를 선택하는 DSME 멀티 슈퍼프레임 슬롯 스케줄링 방법", 김의직, 권정혁
  >> 등록번호: 10-2519382 (2023.04.04)
  >> 출원번호: 10-2021-0066002 (2021.05.24)

• [등록] "슬롯 카운터 파라미터를 이용한 프레임 처리량 산출 시스템, 방법 및 프로그램", 김의직, 권정혁
  >> 등록번호: 10-2499337 (2023.02.08)
  >> 출원번호: 10-2020-0173473 (2020.12.11)

• [등록] "중계 장치의 셀 중첩 방지 알고리즘 기반 슬롯프레임 스케쥴링 방법", 김의직, 권정혁
  >> 등록번호: 10-2471155 (2022.11.22)
  >> 출원번호: 10-2020-0138281 (2020.10.23)

• [등록] "SWIPT 환경의 IoT 시스템에 포함되는 전자 장치의 슬롯프레임 스케쥴링 방법", 김의직, 권정혁
  >> 등록번호: 10-2467634 (2022.11.11)
  >> 출원번호: 10-2020-0138280 (2020.10.23)

• [등록] "운영 구간 및 메시지를 이용하여 태그 수를 추정하는 백스캐터 통신 시스템, 방법 및 프로그램", 김의직, 권정혁
  >> 등록번호: 10-2457637 (2022.10.18)
  >> 출원번호: 10-2020-0173475 (2020.12.11)

• [등록] "네트워크 성능 향상을 위한 슬롯 카운터 파라미터 조정 시스템, 방법 및 프로그램", 김의직, 권정혁
  >> 등록번호: 10-2418872 (2022.07.05)
  >> 출원번호: 10-2020-0173474 (2020.12.11)

• [등록] "연구 카테고리 별 카테고리 특징 단어 목록을 이용한 연구문헌의 연구 카테고리 정보 추출 장치, 방법 및 프로그램", 김의직, 이상우, 권정혁
  >> 등록번호: 10-2418871 (2022.07.05)
  >> 출원번호: 10-2019-0143716 (2019.11.11）

• [등록] "주제 단어 목록을 이용한 연구문헌 내 연구 목적 정보 추출 장치, 방법 및 프로그램", 김의직, 이상우, 권정혁
  >> 등록번호: 10-2408997 (2022.06.10)
  >> 출원번호: 10-2019-0142479 (2019.11.08)

• [등록] "연구문헌 중요도 평가 장치, 방법 및 프로그램", 김의직, 이상우, 권정혁
  >> 등록번호: 10-2370227 (2022.02.28)
  >> 출원번호: 10-2019-0143720 (2019.11.11)

• [등록] "고장 예측 모델 획득 방법, 장치 및 프로그램", 김의직, 권정혁
  >> 등록번호: 10-2340652 (2021.12.14)
  >> 출원번호: 10-2020-0029693 (2020.03.10)

• [등록] "산업용 사물인터넷(IIoT) 환경에서의 고장 예측 모델 획득을 위한 전처리 방법, 피처의 중요도 측정 방법 및 피처 선택 방법, 장치 및 프로그램", 김의직, 권정혁
  >> 등록번호: 10-2339715 (2021.12.10)
  >> 출원번호: 10-2020-0006613 (2020.01.17)

• [등록] "연구문헌 내 전자기장 주파수 대역 정보 추출 장치, 방법 및 프로그램", 김의직, 이상우, 권정혁
  >> 등록번호: 10-2339714 (2021.12.10)
  >> 출원번호: 10-2019-0143718 (2019.11.11)

• [등록] "산업용 사물인터넷(IIoT) 환경에서의 고장 예측 모델 획득 방법, 장치 및 프로그램", 김의직, 이상우, 권정혁
  >> 등록번호: 10-2328566 (2021.11.15)
  >> 출원번호: 10-2020-0006614 (2020.01.17)

• [등록] "블록 단위로 저장 데이터를 송수신하는 가상 스토리지 시스템 및 이의 작동 방법", 김의직, 권정혁
  >> 등록번호: 10-2289835 (2021.08.09)
  >> 출원번호: 10-2020-0029694 (2020.03.10)

• [등록] "센서 장치의 저장 공간을 이용한 가상 스토리지 시스템 및 이의 작동 방법", 김의직, 권정혁
  >> 등록번호: 10-2289834 (2021.08.09)
  >> 출원번호: 10-2020-0029068 (2020.03.09)

• [등록] "멀티프로토콜을 지원하는 전력 IoT 게이트웨이", 김의직, 권정혁, 이철우
  >> 등록번호: 10-2248727 (2021.04.29)
  >> 출원번호: 10-2019-0166959 (2019.12.13)

• [등록] "복합 구조 슈퍼프레임을 이용한 전력 및 데이터 송수신 시스템, 액세스 포인트 장치, 방법 및 프로그램", 김의직, 권정혁
  >> 등록번호: 10-2136146 (2020.07.15)
  >> 출원번호: 10-2019-0096382 (2019.08.07)

• [등록] "복합 구조 슈퍼프레임의 알림 경쟁 접근 구간의 시작 시간을 설정하는 전력 및 데이터 송수신 시스템, 액세스 포인트 장치, 방법 및 프로그램", 김의직, 권정혁
  >> 등록번호: 10-2136148 (2020.07.15)
  >> 출원번호: 10-2019-0096385 (2019.08.07)

• [등록] "슈퍼프레임을 통해 복수의 센서 장치의 잔여 전력을 고려한 전력 및 데이터 송수신 시스템, 액세스 포인트 장치, 방법 및 프로그램", 김의직, 권정혁
  >> 등록번호: 10-2136147 (2020.07.15)
  >> 출원번호: 10-2019-0096384 (2019.08.07)

• [등록] "탄력적인 WUR 스캔 방법 및 시스템", 김의직, 박현희, 조준형
  >> 등록번호: 10-2093999 (2020.03.20)
  >> 출원번호: 10-2018-0151604 (2018.11.30)

• [등록] "슬롯프레임 파티셔닝 기반 셀 스케쥴링 방법, 장치 및 프로그램", 김의직, 권정혁
  >> 등록번호: 10-2070936 (2020.01.21)
  >> 출원번호: 10-2018-0133786 (2018.11.02)

• [등록] "질환 예측 장치 및 방법", 김의직, 이솔비, 권정혁
  >> 등록번호: 10-2030435 (2019.10.02)
  >> 출원번호: 10-2017-0169399 (2017.12.11)

• [등록] "IoT 로컬 네트워크에서 CoAP 기반의 트래픽 부하 관리 장치 및 방법", 김의직, 이솔비, 권정혁
  >> 등록번호: 10-2042027 (2019.11.01)
  >> 출원번호: 10-2017-0163340 (2017.11.30)

• [등록] "무선 센서 네트워크에서 무인기를 이용한 데이터 수집 방법 및 이 방법이 적용된 기기", 김의직, 권정혁, 이솔비, 김호영
  >> 등록번호: 10-1931803 (2018.12.17)
  >> 출원번호: 10-2017-0149030 (2017.11.09)

• [등록] "산업용 사물 인터넷에 기반한 공사 현장 안전을 위한 사고 예측 시스템 및 방법", 김의직, 이솔비, 권정혁
  >> 등록번호: 10-1916411 (2018.11.01)
  >> 출원번호: 10-2017-0142473 (2017.10.30)

• [등록] "CoAP 서버의 관찰 주기 조절 시스템 및 방법", 김의직, 권정혁, 김성모, 오하라, 이솔비, 안원용
  >> 등록번호: 10-1825210 (2018.01.29)
  >> 출원번호: 10-2016-0114614 (2016.09.06)

• [출원] "저장 공간을 제공하는 IoT 장치 및 블록엣지를 기초로 접근 권한을 관리하는 시스템의 동작 방법", 김의직, 권정혁, 이솔비
  >> 출원번호: 10-2025-0029315 (2025.03.06)

• [출원] "블록체인에 따라 검증된 클라이언트를 위해 개별 IoT 장치에 구비된 여분의 저장 공간을 이용하는 전자 장치의 동작 방법", 김의직, 권정혁, 이솔비
  >> 출원번호: 10-2025-0029314 (2025.03.06)

• [출원] "각 노드로부터 설정된 GTS 할당 정보를 기초로 GTS를 할당하는 DSME 네트워크 시스템의 동작 방법, 시스템, 및 각 노드의 GTS를 할당하는 전자 장치의 동작 방법", 김의직, 강인혁, 이솔비, 권정혁

>> 출원번호: 10-2024-0133122 (2024.09.30)

• [출원] "트래픽 부하에 따라 GTS 할당 간격을 설정하는 전자 장치의 동작 방법", 김의직, 강인혁, 이솔비, 권정혁

>> 출원번호: 10-2024-0133121 (2024.09.30)

• [출원] "추정 잔여 전력량에 따라 무선 전력 송신용 GTS를 추가 할당하는 시스템, 방법 및 컴퓨터 프로그램", 김의직, 권정혁, 이솔비, 강인혁

>> 출원번호: 10-2024-0089067 (2024.07.05)

• [출원] "멀티 슈퍼 프레임 동안 소모될 소모 전력량에 따라 무선 전력 송신용 GTS를 할당하는 시스템, 방법 및 컴퓨터 프로그램", 김의직, 권정혁, 이솔비, 강인혁

>> 출원번호: 10-2024-0089066 (2024.07.05)

• [출원] "신호 생성 장치, 신호 수신 장치 및 처리 장치로 구성된 LoS(Line-of-Sight) 및 NLos(Non-Line-of-Sight) 식별 기반 인간 행동 인식 시스템", 김의직, 권정혁, 이솔비 

>> 출원번호: 10-2024-008021 (2024.06.21)

• [출원] "LoS(Line-of-Sight) 및 NLoS(Non-Line-of-Sight) 식별 기반 인간 행동 인식(Human Activity Recognition, HAR) 동작을 수행하는 전자 장치 및 이의 제어 방법", 김의직, 권정혁, 이솔비
  >> 출원번호: 10-2024-0080820 (2024.06.21)

• [출원] "블록체인 네트워크를 기초로 IoT 장치에 대한 클라이언트의 원격 제어를 관리하는 시스템", 김의직, 권정혁, 이솔비
  >> 출원번호: 10-2024-0013431 (2024.01.29)

• [출원] "블록체인 네트워크를 기초로 VC를 생성하여 클라이언트에 대한 인증을 수행하는 전자 장치의 동작 방법", 김의직, 권정혁, 이솔비
  >> 출원번호: 10-2024-0013430 (2024.01.29)

• [출원] "전력 상위 및 데이터 상위를 각각 선택하기 위한 두 개의 Q-러닝 에이전트를 구동하는 센서 노드의 동작 방법", 김의직, 이솔비, 권정혁
  >> 출원번호: 10-2023-0190865 (2023.12.26)

• [출원] "복수의 HAP 중 전력 상위 및 데이터 상위를 각각 선택하는 복수의 센서 노드가 포함된 시스템의 동작 방법", 김의직, 이솔비, 권정혁
  >> 출원번호: 10-2023-0190864 (2023.12.26)

• [출원] "거리 추정을 수행하는 멀티 입력 DNN 모델을 포함하는 전자장치", 권혁돈, 이솔비, 권정혁, 김의직
  >> 출원번호: 10-2022-0179502 (2022.12.20)

• [출원] "인공지능 모델의 입력 데이터에 해당하는 RSSI 값에 대하여 Smoothing 기반 전처리를 수행하는 전자장치", 권혁돈, 이솔비, 권정혁, 김의직
  >> 출원번호: 10-2022-0179501 (2022.12.20)

• [출원] "클러스터 별로 WPT 슬롯프레임의 길이를 식별하는 무선 전력 전송 기반의 무선 센서 네트워크 시스템", 김의직, 이솔비, 권정혁
  >> 출원번호: 10-2022-0093590 (2022.07.23)

• [출원] "클러스터 내 다중 슬롯프레임 간의 중첩을 방지하는 무선 전력 전송 기반의 무선 센서 네트워크 시스템", 김의직, 이솔비, 권정혁
  >> 출원번호: 10-2022-0093589 (2022.07.23)

• [출원] "Q러닝을 기반으로 승하차 판단 보류 구간을 조정하는 서버의 제어 방법", 김의직, 권정혁, 이솔비
  >> 출원번호: 10-2021-0133826 (2021.10.08)

• [출원] "TAG RECEIVER의 선형 회귀 분석을 기반으로 하는 승하차 관리 시스템", 김의직, 권정혁, 이솔비
  >> 출원번호: 10-2021-0133825 (2021.10.08)

Contact

• E-mail: ejkim32@hallym.ac.kr

• Office: College of Engineering Room 1203

• Tel.: +82-33-248-2333