Research Topics (Ongoing)
Machine Learning and Optical Machines for the Next Generation of Wireless Communications, and the applications of AI
Machine Learning and Optical Machines for the Next Generation of Wireless Communications, and the applications of AI
Topic 1: AI for Decentralized Resource Allocation in IoT Systems.
In this research, we develop lightweight, decentralized learning-based approaches for IoT systems.
References:
[J1] R. Ariyoshi (M2@Li_Lab), A. Li (Corresponding Author), M. Hasegawa, T. Ohtsuki, "Energy-Efficient Resource Allocation Scheme Based on Reinforcement Learning in Distributed LoRa Networks," 24 pages, Sensors (IF: 3.5), Aug. 2025.
[J2] A. Li, I. Urabe, M. Fujisawa, S. Hasegawa, H. Yasuda, S.-J. Kim, and M. Hasegawa, "A Lightweight Transmission Parameter Selection Scheme Using Reinforcement Learning for LoRaWAN," arXiv:2208.01824, 16 pages.
[C1] A. Li and M. Tsuzuki (M1@Li_Lab.), "(DEMO) Deep Reinforcement Learning Based Resource Allocation in Distributed IoT Systems," IEEE CIoT (8th Conference on Cloud and Internet of Things, 2 pages, London, United Kingdom, Oct. 2025.
[C2] S. Sugiyama (M1@Li_Lab.), K. Makizoe (M2@TUS), M. Arai, M. Hasegawa, T. Ohtsuki, A. Li, "Fully Autonomous Distributed Transmission Parameter Selection Method for Mobile IoT Applications Using Deep Reinforcement Learning," IEEE VTC2024-Spring (The 2024 IEEE 99th Vehicular Technology Conference ), Singapore, 5 pages, June 2024.
[C3] A. Li, Z. Duan, M. Naruse, and M. Hasegawa, "Uplink Grant-Free NOMA Using Laser Chaos Decision Maker," IEICE NOLTA2022 (IEICE The 2022 International Symposium on Nonlinear Theory and Its Applications), 4 pages, Virtual, Dec. 2022.
[C4] A. Li, "Deep Reinforcement Learning Based Resource Allocation for LoRaWAN," IEEE VTC2022-Fall (IEEE 96th Vehicular Technology Conference), 4 pages, London/Beijing, Sept. 2022.
Topic 2: Quantum Annealing for Optimization Problems in 6G.
In this research, we work on quantum annealing for ultra-fast optimization in wireless communications (NOMA systems, UAV systems, WLAN systems, RIS systems, etc.)
References:
[J1] T. Fujita (M2@TUS), A. Li (Corresponding Author), Q. V. Do, T. Otsuka, S.-G. Jeong, W.-J. Hwang, H. Takesue, K. Inaba, K. Aihara, and M. Hasegawa, "Applying Coherent Ising Machines for Enhancing Communication Efficiency in Large-Scale UAV-Aided Networks," IEEE Access (IF: 3.4), vol. 12, pp. 136011-136024, Aug. 2024.
[J2] T. Otsuka (M2@TUS), A. Li (Corresponding Author), H. Takese, K. Inaba, K. Aihara, and M. Hasegawa, "High-Speed Resource Allocation Algorithm Using a Coherent Ising Machine for NOMA Systems," IEEE Transactions on Vehicular Technology (IF: 6.8), vol. 73, no. 1, pp. 707-723, Jan. 2024.
Topic 3: Cybersecurity.
In this research, we address security issues related to E-Health, Quantum Computing, and other relevant areas.
References:
[C1] H. Zhong, K. Ju, M. Sistla, X. Zhang, A. Li, X. Qin, X. Fu, and M. Pan, "Tuning Quantum Computing Privacy through Quantum Error Correction," 2024 IEEE GLOBECOM (Global Communications Conference), Cape Town, South Africa, 6 pages, Dec. 2024.
[C2] Y. Negoya (M2@Li_Lab.), F. Cui, Z. Zhang, M. Pan, T. Ohtsuki, A. Li, "Differential Privacy Based Federated Learning with Homomorphic Encryption in Omics Data," 6 pages, 2026. (Under Review)
We would like to thank the following institutions for their support.