[1]Eung-In Kim, Jung-Ryun Lee and Dong-Ho Cho, ‘Performance Evaluation of Data Link Protocol with Adaptive Frame Length in Satellite Networks’, IEICE Transactions on Communications,

Vol.E87-B No.6 pp.1730-1736, Jun, 2004.

[2]Jung-Ryun Lee, Sang-Wook Kwon and Dong-Ho Cho, ‘Adaptive Beacon Listening Protocol for TCP Connection in Slow-Start phase in WLAN’, IEEE Communications Letters,

Vol. 9, Issue 9, pp.853-855, Sep, 2005.

[3]Jung-Ryun Lee, Dong-Ho Cho, ‘An Energy-Efficient Downlink Multiple Access Control Considering Congestion in Wireless LANs’, IEEE Communications Letters,

Vol. 10, Issue 5, pp. 405-407, May, 2006.

[4]Jung-Ryun Lee, ‘Energy Efficient Sleep Interval Decision Method Considering Delay Constraint for VoIP Traffic', Lecture Notes on Computer Science,

vol. 4003, pp. 142-151, May, 2006.

[5]Jung-Ryun Lee, Keunyoung Kim and Yong-Hoon Lim, 'Inter-sector Interference Mitigation Method in Triply-Sectorized OFDMA Systems’, Lecture Notes on Computer Science,

vol. 4097, pp. 133-143, Aug, 2006.

[6]Hyun-Ho Choi, Jung-Ryun Lee and Dong-Ho Cho, ‘Hybrid Power Saving Mode for VoIP Services with Silent Suppression in IEEE 802.16e Systems’, IEEE Communications Letters,

vol. 11, no. 5, pp. 455-457, May, 2007.

[7]Jung-Ryun Lee, ‘A Hybrid Energy Saving Mechanism for VoIP Traffic with Silence Suppression’, Lecture Notes on Computer Science,

vol. 4465, pp. 296-304, Jun, 2007.

[8]Jung-Ryun Lee and Dong-Ho Cho, ‘Performance Evaluation of Energy Saving Mechanism Based on Probabilistic Sleep Interval Decision in IEEE 802.16e’, IEEE Trans. on Vehicular Technology,

vol. 56, no. 4, pp. 1773-1780, Jul, 2007.

[9]Jung-Ryun Lee and Dong-Ho Cho, ‘An Optimal Power-Saving Class II for VoIP Traffic and Its Performance Evaluations in IEEE 802.16e’, Computer Communication,

vol 31, no 14, pp. 3204-3208, Sep, 2008.

[10]Y. J. Kim, J. R. Lee and Y. S. Cho, ‘A paging indicator transmission technique for mobile WiMAX systems’, IEICE Transactions on Communications,

vol.E92-B, no.7, pp. 2542-2545, Jul, 2009.

[11]Jung-Ryun Lee and Dong-Ho Cho, ‘Dual Power-Saving Modes for Voice over IP Traffics Supporting Voice Activity Detection’, IET Communications,

vol. 4, no. 7, pp. 1239-1249, Jul, 2009.

[12]Jung-Ryun Lee and Jeong-Woo Lee, ‘A Probabilistic Approach for The Determination of Sleep Interval in IEEE 802.16e’, IEICE Transactions on Communications,

vol.E92-B, no. 8, pp. 2743-2746, Aug, 2009.

[13]Hyun-Ho Choi, Jung-Ryun Lee and Dong-Ho Cho, ‘On the Use of a Power-Saving Mode for Mobile VoIP Devices and Its Performance Evaluation’, IEEE Trans. on Consumer Electronics,

vol. 55, no. 3, pp.1537-1545, Aug, 2009.

[14]Hyun-Ho Choi, Ohyoung Song and Jung-Ryun Lee, ‘Voice Activity Based Vertical Handover in 3G-WLAN Interworking Networks’, IET Electronics Letters,

vol. 45, no. 21, pp. 1109-1101, Oct, 2009.

[15]Ki-Ho Lee, Hyun-Ho Choi and Jung-RyunLee, ‘Throughput-Efficient Data Transmission Algorithm with QoS Support for Type-II Hybrid ARQ', International Journal of Electronics and Communications,

vol. 64, no. 8, pp. 779-783, Aug, 2010.

[16]Hyun-Ho Choi, Ohyoung Song, Yeon-Kyung Park and Jung-Ryun Lee, ‘Performance Evaluation of Opportunistic Vertical Handover Considering On-Off Characteristics of VoIP Traffic', IEEE Trans. on Vehicular Technology,

vol. 59, pp. 3115-3121, Jul, 2010.

[17]Keun-hang Heo, Hyun-Sik Kang and Jung-Ryun Lee , "Performance Evaluation of Vehicle-mounted Mobile Relay in Next Generation Cellular Networks ", KSII Transactions on Internet and Information Systems,

vol. 5, no.5, pp. 874-887, May, 2011.

[18]HyunHo Choi, K-Ho lee, and Jung-Ryun Lee, “Analysis of Tradeoff between Energy Consumption and Activation Delay in Power Management Mechanisms”, IEEE Communications Letters,

vol.16, no.3, pp.414-416, Mar, 2012.

[19]Ji-Young Jung, Hyun-Sik Kang and Jung-Ryun Lee , "Performance Evaluation of Packet Aggregation Scheme for VoIP Service in Wireless Multi-hop Network ", Elsevier Ad Hoc Networks,

vol. 11, no. 3, pp. 1037-1045, Apr, 2013.

[20]Jung-Ryun Lee, Sang-Hyuck Han, and Yong-Hoon Choi, “Vehicle Mobility Pattern-based Handover Scheme Using Discrete Time Markov Chain”, Elsevier Computers & Electrical Engineering,

vol. 40, no. 1, pp. 100-108, Jan, 2014.

[21]Hyun-Ho Choi, Jung-Ryun Lee, "Distributed Transmit Power Control for Maximizing End-to-End Throughput in Wireless Multi-hop Networks", Springer Wireless Personal Communications,

vol. 74, no. 3, pp. 1033-1044, Feb, 2014.

[22]Hyun-Ho Choi, Hyun-Gyu Lee and Jung-Ryun Lee, A New Energy-aware Source Routing Protocol for Maximization of Network Lifetime in MANET', IEICE Transactions on Information and Systems,

vol. E97-D, no. 2, pp. 335-339, Feb, 2014.

[23]Hyun-Ho Choi, Ki-Ho Lee and Jung-Ryun Lee, “Energy-Delay Tradeoff Analysis of User State Transition Mechanism for Mobile Web Services”, Elsevier Journal of Network and Computer Applications,

vol. 40, pp. 227-233, Apr, 2014.

[24]Sang-Hyun Park, Seungryong Cho and Jung-Ryun Lee, “Energy-Efficient Probabilistic Routing Algorithm for Internet of Things”, Journal of Applied Mathematics,

vol. 2014, pp. 1-7, Apr, 2014.

[25]Sang-Hyun Park and Jung-Ryun Lee, "The Energy-Efficient Probabilistic Routing in MANETs", Lecture Notes in Electrical Engineering, Frontier and Innovation in Future Computing and Communications,

vol. 301, pp. 773-784, Apr, 2014.

[26]Un-Ha Kim, Yoon-Jae Shin, and Jung-Ryun Lee, "Bio-Inspired Time Synchronization Method for Multi-Hop Ad-Hoc Networks", IEICE Transactions on Communications,

vol. E97-B, no. 8, pp. 1647-1655, Apr, 2014.

[27]HyunHo Choi and JungRyun Lee, “Analysis of Energy-Delay Trade-off for Power-Saving Mechanism Specific to Request-and-Response-based Applications", IEICE Transactions on Communications,

vol. E97-B, no. 7, pp. 1422-1428, Jul, 2014.

[28]Jaesung Park, Jiyoung Jung, Hyungyu Lee and Jung-Ryun Lee, "Design and Performance Evaluation of a Distributed OFDMA-based MAC Protocol for MANETs", The Scientific World Journal,

vol. 2014, pp. 1-15, Jun, 2014.

[29]Hyun-Ho Choi, Hyunggon Park and Jung-Ryun Lee, "Vertical Handover Strategy for Multi-layered Video Traffics", IEICE Transactions on Information and Systems,

vol. E97-D, no. 10, pp. 2802-2805, Oct, 2014.

[30]Rizza Pua, Sunhee Wi, Miran Park, Jung-Ryun Lee, and Seungryong Cho, "An image-based reduction of metal artifacts in computed tomography", Journal of Computer Assisted Tomography,

vol. 40, no. 1, Jan/Feb, 2016.

[31]Hyun-Ho Choi and Jung-Ryun Lee, "A Biologically Inspired Power Control Algorithm for Green Base Station in Cellular Networks", Energies

vol. 9, no. 3, Mar, 2016.

[32]Youngjae Kim, Hyun-Ho Choi and Jung-Ryun Lee, "A Bio-inspired Fair Resource-Allocation Algorithm for TDMA-based Distributed Sensor Networks for IoT", International Journal of Distributed Sensor Networks (SI: Challenges of Wireless Sensor Networks for IoT Applications),

vol. 2016, pp. 1-10, Apr, 2016.

[33]Hyun-Ho Choi, Howon Lee, Sanghoon Kim, Jung-Ryun Lee and In-Ho Lee, "Distributed medium access control protocol based on successive collision detection for dense wireless sensor networks", International Journal of Distributed Sensor Networks

vol. 12, issue. 8, pp. 1-13, Aug, 2016.

[34]Hyun-Ho Choi, Seok-Chul Kwon, Youngwook Ko, Jung-Ryun Lee, "(Editorial)Self-Organization in Mobile Networking Systems", Mobile Information Systems

vol. 2016, pp. 1-2, Sep, 2016.

[35]Un-Ha Kim, Eutteum Kong, Hyun-Ho Choi and Jung-Ryun Lee, "Analysis of Aggregation Delay for Multisource Sensor Data with On-Off Traffic Pattern in Wireless Body Area Networks", Sensors

vol. 16, issue. 10, pp. 1-15, Sep, 2016.

[36]Meihua Jin, Ji-Young Jung, and Jung-Ryun Lee, "Dynamic Power-Saving Method for Wi-Fi Direct Based IoT Networks Considering Variable-Bit-Rate Video Traffic", Sensors

vol. 16, issue. 10, pp. 1-15, Oct, 2016.

[37]Jaesung Park, Heejung Byun and Jung-Ryun Lee, "Bio-Inspired Load Balancing Framework for Loosely Coupled Heterogeneous Server Systems", IEEE Transactions on Computers

vol. 65, issue. 11, pp. 3280-3292, Nov, 2016.

[38]Hyun-Ho Choi and Jung-Ryun Lee, "Principles, Applications, and Challenges of Synchronization in Nature for Future Mobile Communication Systems", Mobile Information Systems

vol. 2017, pp. 1-13, Jan. 2017.

[39]Ji-Young Jung and Jung-Ryun Lee, "Call Acceptance Strategies in an IP-PBX Considering the End-to-End QoS of VoIP Calls Supporting Silence Suppression", IEICE Transactions on Communications

vol. E100-B, no. 2, pp. 280-292, Feb, 2017.

[40]Hyeongseok Kim, Taewon Lee, Joonpyo Hong, Sohail Sabir, Jung-Ryun Lee, Young Wook Choi, Hak Hee Kim, Seungryong Cho, "A novel pre-processing technique for improving image quality in digital breast tomosynthesis", Medical Physics

vol. 44, no. 2, pp. 417-425, Feb. 2017.

[41]Hyun-Ho Choi and Jung-Ryun Lee, "Multi-Phased Carrier Sense Multiple Access with Collision Resolutions and its Extension to Dynamic Multi-Phases", Mobile Networks and Applications

(online published) vol. 22, no. 112, pp. 1-13, Apr. 2017.

[42]Ui-seong Yu, Ji-Young Jung, Eutteum Kong, HyungSeok Choi, Jung-Ryun Lee, "Weighted DESYNC and its Application to End-to-End Throughput Fairness in Wireless Multi-hop Network", Mobile Information Systems

vol. 2017, pp. 1-10, Apr. 2017.

[43]Hyun-Ho Choi and Jung-Ryun Lee, "A Flocking-Inspired Algorithm for Fair Resource Allocation in Vehicle-Mounted Mobile Relays", Elsevier Journal of Network and Computer Applications

vol. 85, pp. 134-142, May. 2017.

[44]Chan-Jae Lee, Ji-Young Jung, and Jung-Ryun Lee, “Bio-inspired Distributed Transmission Power Control Considering QoS Fairness in Wireless Body Area Networks, Sensors

vol. 17, no. 10, pp. 1-24, Oct. 2017.

[45]Ji-Young Jung, Dong-Yoon Seo, and Jung-Ryun Lee, "Counter-based Broadcast Scheme Considering Reachability, Network Density, and Energy Efficiency for Wireless Sensor Networks", Sensors

vol. 18, no. 1, pp. 1-19, Jan. 2018.

[46]Ji-Young Jung, Hyun-Ho Choi and Jung-Ryun Lee, "Survey of Bio-inspired Resource Allocation Algorithms and MAC Protocol Design Based on a Bio-Inspired Algorithm for Mobile Ad Hoc Networks", IEEE Communications Magazine

vol. 56, no. 1, pp. 119-127, Jan. 2018.

[47]Jaesung Park, Youngjae Kim and Jung-Ryun Lee, "Mobility Load-Balancing Method for Self-Organizing Wireless Networks Inspired by Synchronization Phenomenon in Nature", IEEE Transactions on Vehicular Technology

vol. 67, no. 3, pp. 2594-2606, March 2018

[48]Hyun-Ho Choi, Bongsoo Roh, Myounghun Han and Jung-Ryun Lee, "Regional Route Maintenance Protocol Based on Local Pheromone Diffusion for Mobile Ad Hoc Networks", Mobile Networks and Applications

vol. 23, no. 3, pp. 580-596, Jun. 2018

[49] Jaesung Park, Hyun-Ho Choi, and Jung-Ryun Lee, "Flocking-Inspired Transmission Power Control for Fair Resource Allocation in Vehicle-Mounted Mobile Relay Networks", IEEE Transactions on Vehicular Technology

vol. 68, no. 1, pp. 754-764, Jan. 2019

[50] Dara Ron and Jung-Ryun Lee, "Fair and Distributed Resource Allocation in Wireless Networks Using Frogs' Calling Behavior Algorithm", IEEE Access.

vol. 7, pp. 87313-87322, May. 2019

[51] Hyun-Ho Choi and Jung-Ryun Lee, "Local Flooding-Based on-Demand Routing Protocol for Mobile Ad Hoc Networks", IEEE Access.

vol. 7, pp. 85937-85948, June. 2019

[52] Ui-Seong Yu, Hyun-Ho Choi, and Jung-Ryun Lee, "Kuramoto-Desync: Distributed and Fair Resource Allocation in a Wireless Network", IEEE Access.

vol. 7, no. 1, pp. 104769-104776, Aug. 2019

[53] Hyun-Ho Choi, and Jung-Ryun Lee, "Energy-Neutral Operation Based on Simultaneous Wireless Information and Power Transfer for Wireless Powered Sensor Networks", Energies.

vol. 12, no. 20, pp. 1-17, 10 Oct. 2019

[54] Kisong Lee, Jung-Ryun Lee, and Hyun-Ho Choi, "Learning-Based Joint Optimization of Transmit Power and Harvesting Time in Wireless-Powered Networks with Co-Channel Interference", IEEE Transactions on Vehicular Technology.

vol. 63, no. 3, pp. 3500-3504, March 2020.

[55] Dara Ron, Chan-Jae Lee, Kisong Lee, Hyun-Ho Choi, and Jung-Ryun Lee, "Performance Analysis and Optimization of Downlink Transmission in LoRaWAN Class B Mode", IEEE Internet of Things Journal.

vol. 7, no. 8, pp. 7836 - 7847, Aug. 2020.

[56] Jung-Hyun Bang and Jung-Ryun Lee,"Collision Avoidance Method Using Vector-Based Mobility Model in TDMA-Based Vehicular Ad Hoc Networks", Applied Sciences.

vol. 10, no. 12, June 2020.

[57] Dara Ron and Jung-Ryun Lee,"Expectation Maximization based Power-Saving Method in Wi-Fi Direct", IEEE Access.

vol. 8, pp. 158600-158611, 2020/08/06.

[58] Myung Kil Ahn, Yong Hyun Kim, and Jung-Ryun Lee,"Hierarchical Multi-Stage Cyber Attack Scenario Modeling Based on G&E Model for Cyber Risk Simulation Analysis", Applied Science.

vol. 10, no.4, Feb. 2020.

[59] Ji-Young Jung and Jung-Ryun Lee,"Distributed Fair Resource Allocation Algorithm in Wireless Multihop Network Systems", IEEE Systems Journal.

vol. 15, no.4, Dec. 2021.

[60] Kimchheang Chhea, Dara Ron, and Jung-Ryun Lee,"Application of Kuramoto Model to Transmission Power Control in Wireless Body Area Networks", IEEE Access.

vol. 8, pp. 213531-213540, 27/11/2020.

[61] Muy Sengly, Kisong Lee, and Jung-Ryun Lee,"Joint Optimization of Spectral Efficiency and Energy Harvesting in D2D Networks Using Deep Neural Network", IEEE Transactions on Vehicular Technology.

vol. 70, no. 8, pp. 8361-8366, Aug. 2021.

[62] Hyun-Ho Choi, Sengly Muy, and Jung-Ryun Lee,"Geometric Analysis-Based Cluster Head Selection for Sectorized Wireless Powered Sensor Networks", IEEE Wireless Communications Letters.

vol. 10, no. 3, pp. 649-653, March 2021

[63] Sengly Muy, Dara Ron, and Jung-Ryun Lee,"Energy Efficiency Optimization for SWIPT-based D2D Underlaid Cellular Networks Using Multi-Agent Deep Reinforcement Learning,", IEEE System Journal.

vol. 16, no. 2, pp. 3130 - 3138, June 2021

[64] Dara Ron and Jung-Ryun Lee,"DRL-based Sum-Rate Maximization in D2D Communication Underlaid Uplink Cellular Networks," IEEE Transaction on Vehicular Technology.

vol. 70, no. 10, pp. 11121 - 11126, Oct. 2021

[65] Ji-Young Jung and Jung-Ryun Lee,"Throughput and Packet Loss Analysis of Long Range Wide Area Networks," Applied Science.

vol. 11, no. 17, August 2021

[66] Dara Ron and Jung-Ryun Lee,"Learning-Based Joint Optimization of Mode Selection and Transmit Power Control for D2D Communication Underlaid Cellular Networks," Elsevier Expert Systems With Applications.

vol. 198, 15, July 2022

[67] Eun-Jeong Han, Muy Sengly, and Jung-Ryun Lee,"Balancing Fairness and Energy Efficiency in SWIPT-based D2D networks: Deep Reinforcement Learning Based Approach," IEEE Access.

vol. 10, pp. 64495-64503, 2022

[68] Muy Sengly and Jung-Ryun Lee,"Spectrum Efficiency Maximization for Multi-Hop D2D Communication Underlaying Cellular Networks: Machine Learning-based Methods Expert Systems With Applications," Elsevier Expert Systems With Applications.

vol. 213, Part A, March 2023

[69] Dara Ron and Jung-Ryun Lee,"DNN-based Dynamic Transmit Power Control for V2V Communication Underlaid Uplink Cellular," IEEE Transactions on Vehicular Technology.

vol. 71, no. 11, pp. 12413-12418, Nov. 2022

[70] Dara Ron and Jung-Ryun Lee,"Reinforcement Learning-based Power-Saving Algorithm for Video Traffics Considering Network Delay Jitter," IEEE Access.

vol. 10, pp. 92946-92958, August 2021

[71] Kimchheang Chhea and Jung-Ryun Lee,"Energy-efficient Full-duplex D2D for SWIPT-empowered Underlay Cellular Networks Using a Deep Neural Network," Computer Networks.

vol. 217, Nov. 2022.

[72] Kimchheang Chhea, Dara Ron, and Jung-Ryun Lee,"Weighted Kuramoto De-synchronization In Wireless Networks," Computers, Materials & Continua.

Accepted for publication.

[73] Hyun-Ho Choi and Jung-Ryun Lee,"Joint Optimization of Altitude and Beamwidth for UAV-Powered Wireless Sensor Networks," IEEE Transactions on Vehicular Technology.

Early Access.

[74] Eun-Jeong Han, Youngjae Kim, and Jung-Ryun Lee,"DFP-DESYNC: Dual-firing-phase Scheme for Multi-Hop DESYNC," International Journal of Distributed Sensor Networks.

Accepted for publication.

[75] Sengly Muy, and Jung-Ryun Lee,"Joint Optimization of Trajectory, Beamforming, and Power Allocation in UAV-Enabled WPT Networks Using DRL Combined with Water-Filling Algorithm," Vehicular Communications.

Accepted for publication.