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Information and Intelligence
Information and Intelligence Systems Laboratory (IISL) is a research group in the Department of Electronic Engineering at Hanyang University, affiliated with the Graduate School of Artificial Intelligence Semiconductor. Our research spans artificial intelligence, optimization, statistical inference, and information theory, with a broad range of applications in modern engineering systems.
Information and Intelligence Systems Laboratory (IISL) is a research group in the Department of Electronic Engineering at Hanyang University, affiliated with the Graduate School of Artificial Intelligence Semiconductor. Our research spans artificial intelligence, optimization, statistical inference, and information theory, with a broad range of applications in modern engineering systems.
Research Areas
Research Areas
Efficient Learning for Hyperscale AI
Efficient Learning for Hyperscale AI
Algorithms and large-scale optimization methods that make training and adapting very large AI models faster and more resource-efficient.
Hyperscale AI · Large-Scale Optimization
Continual Learning · Many-Task Learning
Distributed & Federated Learning
Distributed & Federated Learning
Learning across many devices and servers without centralizing raw data, with attention to communication cost and security.
Federated Learning · Secure Aggregation · IoT Edge-Cloud
Reinforcement Learning
Reinforcement Learning
Theory and algorithms for sequential decision-making, including multi-agent and federated settings.
Multi-Agent RL · Federated RL · Robust RL
AI for Wireless Communications
AI for Wireless Communications
Learning-based design and statistical signal processing for next-generation wireless communication systems.
Movable Antennas · MIMO · Beamforming
Signal Processing · 6G
Openings
Openings
We are actively looking for motivated graduate students interested in machine learning, reinforcement learning, wireless communications, or optimization.
Openings for AI Algorithms/Optimizations and Reinforcement Learning in the Graduate School of Artificial Intelligence Semiconductor (인공지능반도체 대학원)
Openings for Machine Learning (Continual Learning/Federated Learning/Many-Task Learning) and 6G Communications in the Department of Electronic Engineering (BK21, Beyond-G Global Innovation Center)
Recent Publications
Recent Publications
[October 2026] W. Ko, Y. Jeong, S.-W. Hong, and S. Hong, "LyMARL: A Lyapunov-Guided Multi-Agent Reinforcement Learning Framework for Energy-Aware Radio Resource Management," IEEE Internet of Things Journal, vol. 13, no. 19, pp. 45702-45715, Oct. 2026.
[September 2026] U. Hwang and S. Hong, "RoFEH: Robust Federated Reinforcement Learning Under Environment Heterogeneity," accepted to IEEE Transactions on Neural Networks and Learning Systems.
[September 2026] H.-G. Joo, S. Lee, S. Hong, and D.-J. Shin, "Hi-SAFE: Hierarchical Secure Aggregation for Lightweight Federated Learning," IEEE Internet of Things Journal, vol. 13, no. 18, pp.42881-42896, Sep. 2026.
[July 2026] U. Hwang and S. Hong, "Scalable and Robust Reinforcement Learning through Expectile Regression," accepted to IEEE Transactions on Neural Networks and Learning Systems.
[March 2026] S.-W. Hong, Y. Jeong, U. Hwang, and S. Hong, "QIPPO/CA: A Quantized Communication-Efficient MARL Framework for Fully Distributed Channel Access in Next-Generation Wireless Networks," IEEE Internet of Things Journal, vol. 13, no. 5, pp. 8615-8627, Mar. 2026.
Submitted / Under Revision
Submitted / Under Revision
[October 2026] W. Ko, Y. Jeong, and S. Hong, "State-Augmented Learning for Post-Deployment Adaptation of Coexisting O-RAN Applications," submitted to IEEE Transactions on Mobile Computing.
[October 2026] Y. Jeong, W. Ko, and S. Hong, "Learning to Coexist: Asymmetrically Constrained Multi-Agent Reinforcement Learning for Conflicting Applications in Open RAN," submitted to IEEE Transactions on Communications.
[October 2026] W. Choi, Y. Tae, J. Lee, and S. Hong, "Learning Channel Fields from TDD Estimates for Online Positioning of Movable Antenna Arrays," submitted to IEEE Transactions on Communications.
[September 2026] W. Choi, Y. Tae, J. Lee, and S. Hong, "CSI-Free Positioning of Movable Antennas for IoT Networks: A Compositional Kernelized Bandit," submitted to IEEE Internet of Things Journal.
[September 2026] W. Choi, Y. Tae, J. Lee, and S. Hong, "Positioning a Movable Antenna Without CSI: A Kernelized Bandit Under Costly Movement," submitted to IEEE Transactions on Wireless Communications.
[September 2026] Y. Tae, J. Lee, and S. Hong, "Online Movable Antenna Repositioning Under Movement Delay and a Long-Term Energy Budget," submitted to IEEE Transactions on Communications.
[September 2026] S.-W. Hong and S. Hong, "Long-Term Sensing and Per-Slot QAM Communication in 1-Bit Massive MIMO-DFRC," submitted to IEEE Transactions on Vehicular Technology.
[September 2026] Y. Jeong, W. Ko, S.-W. Hong, and S. Hong, "Heterogeneous Multi-Agent Reinforcement Learning for Radio Resource Management under Coupled Finite-Horizon Constraints," submitted to IEEE Internet of Things Journal.
[September 2026] H.-G. Joo, S. Hong, and D.-J. Shin, "TierSecAgg: Tier-Stratified Secure Aggregation for SignSGD-Based Hierarchical Federated Learning in IoT Edge-Cloud Systems," submitted to IEEE Internet of Things Journal.
[July 2026] W. Choi, J. Lee, and S. Hong, "Scalable Rate-Splitting Precoding via Recurrent Structure-Preserving Graph Neural Networks," submitted to IEEE Transactions on Wireless Communications (Major Revision).
[April 2026] J. Lee, J. Seong, S. Hong, W. Shin, and M. Z. Win, "Near-Field Propagation Delay-Enabled RIS for Beam-Squint Control in Wideband LEO Satellite Communications," submitted to IEEE Transactions on Wireless Communications (Major Revision).
[January 2026] W. Choi, J. Lee and S. Hong, "CSIT-Free Beamforming for Multi-Group Multicast in Overloaded mmWave Systems," submitted to IEEE Transactions on Wireless Communications.
Contact Us
Contact Us
Location: Koo Ja-Kyum Mech. Eng. Bldg., Room 1019, Hanyang University
222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Korea
Email: snhong at hanyang dot ac dot kr
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