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News

• F. Alizadeh, I. F. Akyildiz, K. Andersen, and S. E. Þorsteinsson, “Towards Buoy-Free Networks: Adaptive Resource Allocation for Concurrent AUV-to-UAV Communication via Translational Acoustic-RF (TARF) Modes,” submitted for publication, August 2026.
• F. Alizadeh, I. F. Akyildiz, K. Andersen, and S. E. Þorsteinsson, “Structured Acoustic-RF Multiplexing for Buoy-Free Mobile AUV-to-UAV Communication,” submitted for publication, July 2026.
• Patent Applications:
  1. “Acoustic Active Reconfigurable Intelligent Metasurfaces for Broadband, Programmable Wavefront Control in Underwater Communication Networks.”
     Inventors: F. Alizadeh, I. F. Akyildiz, K. Andersen, and S. E. Þorsteinsson.
  2. “AI-Guided Underwater Cooperative AUV Swarm for Probabilistic Capelin Spawning Habitats Survey with Graceful Degradation.”
     Inventors: M. Mahgoli, I. F. Akyildiz, T. S. Giesta da Silva, G. J. Óskarsson, S. Þ. Jónsson, and K. Andersen.
• F. Alizadeh, I. F. Akyildiz, K. Andersen, and S. E. Þorsteinsson, “Active Metasurfaces for Underwater Acoustic RIS: Control-Ready Reflection Modeling and Multifunctional Wave Control,” submitted for publication, 2026.
• F. Alizadeh, I. F. Akyildiz, K. Andersen, and S. E. Þorsteinsson, “Programmable Active Metasurfaces for Underwater Acoustic RIS: OAM Wave Synthesis and Structured-Beam Communications,” submitted for publication, 2026.
• M. Mahgoli, I. F. Akyildiz, K. Andersen, T. S. Giesta da Silva, and S. E. Þorsteinsson, “Learning Ocean Channel Cartography: A Digital Twin Approach to Communication-Aware Autonomy for Maritime 6G,” IEEE Transactions on Communications, vol. 74, pp. 11534–11549, 2026. DOI: 10.1109/TCOMM.2026.3712573 .
• F. Alizadeh, I. F. Akyildiz, K. Andersen, and S. E. Þorsteinsson, “Tunable Active Metasurfaces for Next Generation Underwater aRIS-Assisted Communication,” in Proceedings of the 19th International Conference on Underwater Networks and Systems (WUWNet 2025), Shenzhen, China, Article 8, pp. 1–8, published online May 22, 2026. Received the Best Paper Award. DOI: 10.1145/3784941.3784966 .
• M. Mahgoli, I. F. Akyildiz, T. S. Giesta da Silva, S. Þ. Jónsson, K. Andersen, and S. E. Þorsteinsson, “Steering Uncertainty: Physics-Informed Mean Field Games for AUV Swarm Coordination in Underwater IoT,” IEEE DCOSS ISIoT 2026 Workshop, Reykjavík, Iceland, accepted/in press, 2026.
• M. Mahgoli, I. F. Akyildiz, K. Andersen, S. E. Þorsteinsson, and M. Ö. Úlfarsson, “A Hierarchical AI-Driven Hybrid Communication Framework for Underwater Swarm Coordination: Achieving Sub-Microsecond Synchronization and Robust Cooperative MIMO Performance,” IEEE Internet of Things Journal, vol. 13, no. 12, pp. 26932–26948, June 2026. Published online March 30, 2026. DOI: 10.1109/JIOT.2026.3678823 .
• H. Guo, I. F. Akyildiz, S. E. Þorsteinsson, and K. Andersen, “Joint Wireless Charging Planning and Task Assignment for Autonomous Underwater Vehicles,” in GLOBECOM 2025—2025 IEEE Global Communications Conference, pp. 5472–5477, 2025. DOI: 10.1109/GLOBECOM59602.2025.11432094 .
• L. Zhao, J. Tan, J. Wang, I. F. Akyildiz, and Z. Sun, “Acoustic RIS for Massive Spatial Multiplexing: Unleashing Degrees of Freedom and Capacity in Underwater Communications,” in IEEE INFOCOM 2026—IEEE Conference on Computer Communications, pp. 1–10, 2026. DOI: 10.1109/INFOCOM59046.2026.11571242 .
• Prof. Akyildiz is a co-inventor of the U.S. patent “Universal Multi-Mode Underwater Software Defined Modem,” U.S. Patent No. 12,396,064 B2, granted August 19, 2025.
• T. Girici, H. Guo, I. F. Akyildiz, K. Andersen, and S. E. Þorsteinsson, “Formation Control for Swarm Underwater Vehicles Using Multi-Agent Deep Reinforcement Learning,” in BalkanCom 2025—8th International Balkan Conference on Communications and Networking, Piraeus, Greece, June 2025. DOI: 10.1109/BALKANCOM65827.2025.11186029 .
• L. Zhao, J. Tan, J. Wang, I. F. Akyildiz, and Z. Sun, “Covering Underwater Shadow Zones Using Acoustic Reconfigurable Intelligent Surfaces,” in IEEE INFOCOM 2025—IEEE Conference on Computer Communications, pp. 1–10, 2025. DOI: 10.1109/INFOCOM55648.2025.11044529 .
• S. J. Nordfjord, S. E. Þorsteinsson, and K. Andersen, “Powering Underwater Robotics Sensor Networks Through Ocean Energy Harvesting and Wireless Power Transfer Methods: Systematic Review,” Journal of Marine Science and Engineering, vol. 13, no. 9, Article 1728, September 2025. DOI: 10.3390/jmse13091728 .
• Prof. Akyildiz is a co-inventor of the U.S. patent “Systems, Methods and Computer-Readable Media of Automatic Network Slicing of Underwater Acoustic Communication System Resources,” U.S. Patent No. 11,569,920 B1, granted January 31, 2023. View patent announcement .
• N. Tang, Y. Liu, X. Chu, and I. F. Akyildiz, “Design, Modelling and Analysis of Underwater Acoustic Backscatter Communications,” in ICC 2024—IEEE International Conference on Communications, Denver, Colorado, USA, pp. 4227–4232, June 2024. DOI: 10.1109/ICC51166.2024.10623056 .
• Prof. Akyildiz gave a keynote speech entitled “On the Research Progress for Underwater Wireless Communication Networks” at the 17th International ACM Conference on Underwater Networks and Systems, ACM WUWNet 2023, held in Shenzhen, China, November 24–26, 2023. Conference website .
• A call was issued for Ph.D. and M.S. student applications, July 2023.
• The HAF project received a Grant of Excellence from the Icelandic Research Fund, February 2023.