Ph.D. Candidate

School of Electrical Engineering, Korea University

AICL (AI and Intelligent Communication Lab)

Contact

Email: [email protected]

Research Interest

Convex optimization

Integrated sensing and communication (ISAC)

**Google Scholar | GitHub | LinkedIn | CV (pdf)**

Education

<aside> <img src="/icons/sync-reverse_gray.svg" alt="/icons/sync-reverse_gray.svg" width="40px" /> (Ph.D.) Mar. 2020 - Present

Electrical and Computer Engineering, Korea University, Seoul, Korea

Thesis:

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<aside> <img src="/icons/graduate_gray.svg" alt="/icons/graduate_gray.svg" width="40px" /> (B.E.) Mar. 2016 - Feb. 2020

Electrical Engineering, Korea University, Seoul, Korea

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Experience

Graduate Research Assistant (Mar. 2020 - Present)

• AICL, Korea University, Seoul, Korea
• Supervisor: Prof. Inkyu Lee

Visiting Research Student (Dec. 2022 - Feb. 2023)

• Queen’s University, Kingston, ON, Canada
• Supervisor: Prof. Il-Min Kim

Publications

Journal Papers

• International
  • [J4] S. Kim*, Z. Fu, J. Moon, S. Hwang, S. Park and I. Lee*, “Adaptive Sensing Mode Selection and Beamforming Designs for Integrated Dynamic Sensing and Communication Systems,” submitted in IEEE Trans. Wirel. Commun., Mar. 2026
  • [J3] Z. Fu, S. Kim, S. Hwang, J. Moon, J. Kim, J. Kim and I. Lee*, “Deep Reinforcement Learning for Adaptive Power Allocation in ISAC Systems with Mobile Target,” accepted in IEEE Trans. Veh. Technol., Jun. 2026, doi: 10.1109/TVT.2026.3703411
  • [J2] Z. Fu, J. Moon, S. Hwang, S. Kim, D. Zhang and I. Lee*, “Covert Communications in Multi-antenna Two-way Relay Systems,” IEEE Trans. Veh. Technol., vol. 74, no. 9, pp. 14069-14080, Sep. 2025
  • [J1] S. Shin, S. Hwang, S. Kim and I. Lee*, “Comments on “Throughput Maximization for UAV-Enabled Integrated Periodic Sensing and Communication”,” IEEE Trans. Wirel. Commun., vol. 24, no. 2, pp. 1753-1753, Feb. 2025
• Domestic
  • [DJ1] Z. Fu, S. Kim and I. Lee*, “A Survey on Efficient Resource Allocation Methods in Integrated Sensing and Communication,” J. Inst. Electron. Inf. Eng., vol. 61, no. 11, pp. 33-37, Nov. 2024

Conference

• International
  • [C3] J. Kim, S. Kim, Z. Fu, J. Moon, S. Hwang and I. Lee, “A Preference-Conditioned Multi-Objective Deep Reinforcement Learning for the Rate-Energy-Fairness Tradeoff in Multiuser SWIPT Systems,” submitted in ICTC, Oct. 2026
  • [C2] S. Kim, Z. Fu, J. Moon, S. Hwang and I. Lee, “Beamforming Optimization for Time Domain Integrated Sensing and Communication Systems,” in ICTC, Oct. 2024
  • [C1] Z. Fu, J. Moon, S. Hwang, S. Kim, D. Zhang and I. Lee, “Covertness Analysis for the Covert Communications in Multi-antenna Two-way Relay Systems,” in Proc. ICMIC, Aug. 2024, pp. 312-313
• Domestic
  • [DC9] J. Kim, S. Hwang, S. Kim, Z. Fu, J. Moon and I. Lee, “UAV-Enabled IPSAC Systems based on Deep Reinforcement Learning,” in Proc. Summer Symposium of KICS, Jun. 2026, pp. 1297-1298
  • [DC8] S. Kim, J. Kim, J. Moon, S. Hwang, Z. Fu and I. Lee, “Energy Efficient Beamforming Designs for Integrated Sensing and Communication Systems,” in Proc. Summer Symposium of KICS, Jun. 2026, pp. 629-630
  • [DC7] M. Oh, S. Kim and I. Lee, “Intelligent Traffic Steering xApp for Load Balancing in O-RAN: A Deep Reinforcement Learning Approach,” in Proc. Winter Symposium of KICS, Feb. 2026, pp. 863-864
  • [DC6] J. Kim, S. Hwang, S. Kim, Z. Fu, J. Moon and I. Lee, “Constrained Deep Reinforcement Learning for User Scheduling in UAV-Enabled Communications,” in Proc. Winter Symposium of KICS, Feb. 2026, pp. 731-732
  • [DC5] S. Kim and I. Lee, “User Allocation Method for HAP-aided LEO Satellite Networks,” in Proc. Fall Symposium of KICS, Nov. 2025, pp. 301-302
  • [DC4] S. Kim and I. Lee, “Sum-rate Maximization for Integrated Sensing and Communication System with Mobile Targets,” in Proc. Fall Symposium of KICS, Nov. 2025, pp. 90-91
  • [DC3] S. Kim, Y. Kim and I. Lee, “A Study on the Energy Efficiency in Relay-aided Integrated Sensing and Communication System,” in Proc. Winter Symposium of KICS, Feb. 2024, pp. 977-978
  • [DC2] S. Baek, S. Kim and I. Lee, “Deep Learning based Scalable Beamforming Method in MIMO Systems,” in Korea Artificial Intelligence Conference, Sep. 2022
  • [DC1] S. Baek, S. Kim and I. Lee, “Deep learning based min-rate optimization in IRS-aided coordinated multipoint systems,” in Proc. Winter Symposium of KICS, Feb. 2022, pp. 138-139

Patents

• [P2] I. Lee, S. Kim and Z. Fu, “Base Station Control Method and Base Station Apparatus for Performing Time Slot-based Adaptive Sensing Mode Control Using Past Observation Information in Integrated Sensing and Communication Environment,” filed with the US Patent and Trademark Office, No. US 19/735,390, Jul. 8, 2026
• [P1] I. Lee, S. Kim and Z. Fu, “Method and Apparatus for Base Station Control Performing Time-slot Based Adaptive Sensing Mode Control Using Past Observations in Radar-communication Integrated Environment,” filed with the Korea Intellectual Property Office, No. KR 10-2025-0158074, Oct. 28, 2025