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Korean

서울대학교 Advanced Intelligent Systems Lab

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Post-doc

Hyeonsu Lyu

류현수

hslyu4 [at] postech [dot] ac [dot] kr
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Biography

 

Hyeonsu Lyu is expected to receive his Ph.D. degree in Electrical Engineering from Pohang University of Science and Technology (POSTECH) in February 2026 , under the supervision of Prof. Hyun Jong Yang. Starting in March 2026, he will join the Institute of New Media and Communications (INMC) at Seoul National University (SNU) as a Post-doctoral Researcher. He previously received his B.S. degree in Mathematics and Computer Science in 2018 and his M.S. degree in Electrical Engineering in 2021 , both from UNIST. During the final year of his doctoral studies, he served as a Visiting Scholar at Seoul National University (2025–2026)  and was a Visiting Research Scholar at the University of Texas at Austin from August 2025 to January 2026, hosted by Prof. Kaushik Chowdhury. His research is dedicated to the full convergence of Wireless, AI, and Robotics. Specifically, his work focuses on advancing communication systems for AI-powered remote control of mobile robots and leveraging intelligent agents to evolve next-generation 6G wireless networks.

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Achievements

1. Honors and Awards

  1. Encouragement Award, The 32nd Humantech Paper Awards, Samsung Electronics (Feb. 2026)
  2. Pre-Ph.D. Research Support Program, Korean Institute of Communications and Information Sciences (KICS) (2025)
  3. Best Paper Award, International Conference on Information and Communication Technology Convergence (ICTC) (Sep. 2025)
  4. Grand Prize in Patent Competition, POSTECH (2024)
  5. President’s Award of IITP, KICS (Aug. 2023)
  6. Best Paper Award, KICS Summer Conference (June 2023)
  7. Bae & Jung Scholarship, Bae & Jung Foundation (2022–2023)
  8. Korea Aerospace Industries (KAI) Paper Award (Nov. 2022)
  9. National Supercomputing Competition 2nd Award, KISTI (2014)
  10. National Science & Technology Scholarship, KOSAF (2014–2018)

2. Submitted Papers & Preprints

  1. Hyeonsu Lyu, Hyeonho Noh, Hyun Jong Yang, and Kaushik Chowdhury, “Secure Multi-Hop Relaying in Large-Scale Space-Air-Ground-Sea Integrated Networks,” IEEE Journal on Selected Areas in Communications (JSAC), Under review (2025)

  2. Jonggyu Jang, Hyeonsu Lyu, David J. Love, and Hyun Jong Yang, “Fed-ZOE: Communication-Efficient Over-the-Air Federated Learning via Zeroth-Order Estimation,” IEEE Transactions on Wireless Communications (TWC), Under revision (2025)

  3. Hyeonsu Lyu, Jonggyu Jang, Sehyun Ryu, and Hyun Jong Yang, “Post-Hoc Model Editing with Selective Parameter Modification Using Generalized Influence Functions,” IEEE Transactions on Dependable and Secure Computing (TDSC), Under review (2025)

  4. Hyeonsu Lyu(=), Yumin Kim(=), and Hyun Jong Yang, “End-to-End Secure Connection Probability in Multi-Layer Networks with Heterogeneous Rician Fading,” submitted (2025)

  5. Jonggyu Jang, Hyeonsu Lyu, David J. Love, and Hyun Jong Yang, “Joint Optimization of User Association and Resource Allocation for Load Balancing With Multi-Level Fairness,” IEEE Transactions on Mobile Computing (TMC), submitted (2025)

  6. Hyeonho Noh, Hyeonsu Lyu, Moe Z. Win, and Hyun Jong Yang, “DCFNet: Doppler Correction Filter Network for Integrated Sensing and Communication in Multi-User MIMO-OFDM Systems,” submitted (2025)

  7. Hyeonho Noh, Hyeonsu Lyu, and Hyun Jong Yang, “Multiple Active STAR-RIS-Assisted Secure Integrated Sensing and Communication via Cooperative Beamforming,” submitted (2025)

  8. Hyeonsu Lyu, Jonggyu Jang, Sehyun Ryu, and Hyun Jong Yang, “Deeper Understanding of Black-box Predictions via Generalized Influence Functions,” submitted (2024)

  9. Jonggyu Jang, Hyeonsu Lyu, and Hyun Jong Yang, “Rethinking Model Inversion Attacks With Patch-Wise Reconstruction,” IEEE Transactions on Dependable and Secure Computing (TDSC), Under review (2024)

  10. Jonggyu Jang, Hyeonsu Lyu, Jungyeon Koh, and Hyun Jong Yang, “Replace-then-Perturb: Targeted Adversarial Examples for Visual Reasoning Against Vision-Language Models,” IEEE Transactions on Multimedia (TMM), Under review (2024)

3. International Journal Publications

  1. Jonggyu Jang(=), Hyeonsu Lyu(=), Seongjin Hwang, and Hyun Jong Yang, “Unveiling Hidden Visual Information: A Reconstruction Attack Against Adversarial Visual Information Hiding,” IEEE Transactions on Neural Networks and Learning Systems (TNNLS), vol. 36, no. 9, pp. 17154-17168 (2025)

  2. Hyeonsu Lyu(=), Jonggyu Jang(=), Harim Lee, and Hyun Jong Yang, “Non-iterative Optimization of Trajectory and Radio Resource for Aerial Network,” IEEE Transactions on Wireless Communications (TWC), vol. 24, no. 2, pp. 1555-1567 (2025)

  3. Harim Lee, Myeung Un Kim, Yeongjun Kim, Hyeonsu Lyu, and Hyun Jong Yang, “Development of a Privacy-Preserving UAV System With Deep Learning-Based Face Anonymization,” IEEE Access, vol. 9, pp. 132652-132662 (2021)

4. International Conference Publications

  1. Yumin Kim, Hyeonsu Lyu, Minjae Lee, and Hyun Jong Yang, “Accuracy-Delay Trade-Off in LLM Offloading via Token-Level Uncertainty,” IEEE Global Communications Conference (GLOBECOM) Workshops (Dec. 2025)

  2. Hyeonsu Lyu, Yumin Kim, and Hyun Jong Yang, “On the Secure Connection Probability of Multi-Hop Relaying in Multi-Layer Networks,” Proc. International Conference on ICT Convergence (ICTC) (Oct. 2025)

  3. Jungyeon Koh, Hyeonsu Lyu, Jonggyu Jang, and Hyun Jong Yang, “Faithful and Fast Influence Function via Advanced Sampling,” Mechanistic Interpretability (MI) Workshop @ ICML (July 2024)

  4. Hyeonsu Lyu and Hyun Jong Yang, “Maneuver by Airstreams for Stratospheric Balloon Base Stations,” Proc. International Conference on ICT Convergence (ICTC) (Oct. 2023)

  5. Hyeonsu Lyu, SeongJin Hwang, and Hyun Jong Yang, “Multi-Agent Reinforcement Learning-Based Coverage Maximization for Fixed-Wing Base Stations,” Proc. International Conference on ICT Convergence (ICTC) (Oct. 2022)

  6. Jonggyu Jang, Hyeonsu Lyu, Hyun Jong Yang, Moohyun Oh, and Junhee Lee, “Deep Learning-Based Autonomous Scanning Electron Microscope,” Proc. IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), pp. 2886-2893 (Oct. 2020)

  7. Moohyun Oh, Jonggyu Jang, Hyun Jong Yang, Hyeonsu Lyu, and Junhee Lee, “Robust Deep-Learning Based Autofocus Score prediction for Scanning Electron Microscope,” Microscopy and Microanalysis (Aug. 2020)

  8. Myoungseok Ki, Jihun Cha, Hyeonsu Lyu, “Detect and avoid system based on multi sensor fusion for UAV,” Proc. International Conference on ICT Convergence (ICTC) (2018)

5. Patents (Intellectual Property)

  1. Method for Performing Multi-hop Based Secure Communication in Integrated Network, KR 10-2025-0213513 (filed)

  2. Apparatus and Method for Determining Privacy Information Leakage Possibility by Generating Restored Image Set, KR 10-2024-0161882 (filed)

  3. Electronic device for deriving influence function, KR 10-2024-0045157 (filed)

  4. Apparatus and Method for Generating a Key Model for Restoring Encrypted Images, KR 10-2024-0163065 (filed)

  5. Tree Search-based Path Planning and Resource Management for UAV Base Stations, US 18/319,369 & KR 10-2022-0186323 (filed)

  6. Generalized Fast Water-Filling Algorithm for User Association and Resource Allocation, KR 10-2022-0172711 (filed)

  7. Autonomous Flight UAV and Method Controlling Thereof, KR 10-2684376 (registered)

  8. LTE-LAA 와 Wi-Fi 공존 상황에서 비대칭 은닉 AP를 고려한 eNB 의 하향링크 통신 방법, KR 10-2240690 (registered)

6. Domestic Papers (Korea)

  1. 류현수, 노현호, 양현종, “Secure Radio Resource and Routing Optimization in Multi-Hop Space-Air-Ground-Sea Integrated Networks,” Proc. KICS Summer Conf. (June 2025)

  2. 양현종, 김유민, 최재현, 류현수, “AI-RAN 기술 동향,” Proc. KICS Summer Conf., pp. 317-319 (June 2025)

  3. 류현수, 양현종, “A Survey on High-Altitude Balloon UAVs for Vertical Heterogeneous Networks,” The Journal of Korean Institute of Communications and Information Sciences (J-KICS), vol. 49, no. 5, pp. 582-592 (May 2024)

  4. 류현수, 양현종, “On the Non-Iterative Optimization for Aerial Communications,” Proc. KICS Summer Conf. (June 2024)

  5. 류현수, 양현종, “Stratolite: Breakthrough For UAV Communications,” Proc. KICS Summer Conf. (June 2023)

  6. 류현수, 양현종, “Machine Unlearning: A Survey on Principles and Challenges,” Proc. KICS Winter Conf. (Feb. 2023)

  7. 류현수, 장종규, 양현종, “일반화된 고속 Water-Filling 알고리즘,” Proc. KICS Fall Conf. (Nov. 2022)

  8. 류현수, 이하림, 김영준, 양현종, “비행 시간을 최대화하는 드론의 최적 부품 선정 알고리즘,” Proc. KICS Summer Conf. (June 2021)

  9. 류현수, 양현종, “무인항공기 강화학습을 위한 테스트베드 구축 기법,” Proc. KICS Winter Conf. (Feb. 2021)

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