Rit

Selected output from the HAF Lab

Peer-reviewed work on acoustic ultra-massive MIMO, magnetic MIMO, cooperative multi-robot arrays and buoy-free AUV–UAV links, published across communications, robotics and ocean-engineering venues.

IEEE JSAC   IEEE TWC   IEEE IoT Journal   OCEANS MTS/IEEE   ICRA   Nature Communications Eng.

2026


Techno-Economic Evaluation of a PV-Battery Microgrid for Retreat Houses in Iceland

Sverrir Jan Nordfjord, Sara Zeidabadi Nezhad, and Runar Unnthorsson, – Nordic Energy Informatics Academy Conference 2026, University of Iceland, Reykjavík, Iceland, September 2–4, 2026.

A Master’s Thesis as a Multidisciplinary Engineering Journey: Wireless Inductive Charging Underwater as a Vehicle for Integrated Learning in Electrical and Computer Engineering

Sverrir Jan Nordfjord, Kristinn Andersen, and Helgi Thorbergsson, – 35th Annual Conference of the European Association for Education in Electrical and Information Engineering (EAEEIE), Varna, Bulgaria, June 3–5, 2026.

Towards Buoy-Free Networks: Adaptive Resource Allocation for Concurrent AUV-to-UAV Communication via Translational Acoustic-RF (TARF) Modes.

Alizadeh, F., Akyildiz, I.F., Andersen, K., and S. E. Thorsteinsson – Submitted for publication, August 2026

Structured Acoustic-RF Multiplexing for Buoy-Free Mobile AUV-to-UAV Communication.

Alizadeh, F., Akyildiz, I.F., Andersen, K., and S. E. Thorsteinsson – Submitted for publication, August 2026.

Active Metasurfaces for Underwater Acoustic RIS: Control-Ready Reflection Modeling and Multifunctional Wave Control.

Alizadeh, F., Akyildiz, I.F., Andersen, K., and S. E. Thorsteinsson – Submitted for publication, May 2026.

Programmable Active Metasurfaces for Underwater Acoustic RIS: OAM Wave Synthesis and Structured-Beam Communications.

Alizadeh, F., Akyildiz, I.F., Andersen, K., and S. E. Thorsteinsson – Submitted for publication, April 2026.

Learning Ocean Channel Cartography: A Digital Twin Approach to Communication-Aware Autonomy for Maritime 6G.

Mahgoli, M., Akyildiz, I. F., Andersen, K., Sofia Giesta da Silva, T., and S. E. Thorsteinsson – IEEE Transactions on Communications, vol. 74, pp. 11534–11549, 2026.

DOI: 10.1109/TCOMM.2026.3712573

Tunable Active Metasurfaces for Next Generation Underwater aRIS-Assisted Communication

Alizadeh, F., Akyildiz, I.F., Andersen, K., and S. E. Thorsteinsson – in Proceedings of the 19th International Conference on Underwater Networks and Systems, Shenzhen, China, Article 8, pp. 1–8, published online May 22, 2026.

Received the Best Paper Award

DOI: 10.1145/3784941.3784966

Steering Uncertainty: Mean-Field-Augmented Physics-Informed Reinforcement Learning for AUV Swarm Coordination in Underwater IoT

Mahgoli, M., Akyildiz, I.F., Andersen, K., and Thorsteinsson, S. E. – 22nd International Conference on Distributed Computing in Smart Systems and the Internet of Things, Reykjavik, Iceland, 2026, pp. 726-733.

DOI: 10.1109/DCOSS-IoT69657.2026.00114.

Acoustic RIS for Massive Spatial Multiplexing: Unleashing Degrees of Freedom and Capacity in Underwater Communications

L. Zhao, J. Tan, J. Wang, I. F. Akyildiz, and Z. Sun – in IEEE INFOCOM 2026 – IEEE Conference on Computer Communications, pp. 1–10, 2026.

DOI: 10.1109/INFOCOM59046.2026.11571242

A Hierarchical AI-Driven Hybrid Communication Framework for Underwater Swarm Coordination: Achieving Sub-Microsecond Synchronization and Robust Cooperative MIMO Performance.

Mahgoli, M., Akyildiz, I. F., Andersen, K., Thorsteinsson, S. E., & Úlfarsson, M. Ö. – IEEE Internet of Things Journal, 13(12), 26932-26948.

DOI: 10.1109/JIOT.2026.3678823

2025


Joint Wireless Charging Planning and Task Assignment for Autonomous Underwater Vehicles

Guo, H., Akyildiz, I. F., Thorsteinsson, S. E. and K. Andersen – in GLOBECOM 2025 – IEEE Global Communications Conference, pp. 5472–5477, 2025.

DOI: 10.1109/GLOBECOM59602.2025.11432094

Acoustic RIS for Massive Spatial Multiplexing: Unleashing Degrees of Freedom and Capacity in Underwater Communications

L. Zhao, J. Tan, J. Wang, I. F. Akyildiz, and Z. Sun – in IEEE INFOCOM 2026 – IEEE Conference on Computer Communications, pp. 1–10, 2026.

DOI: 10.1109/INFOCOM59046.2026.11571242

Tunable Active Metasurfaces for Next Generation Underwater aRIS-Assisted Communication

Alizadeh, F., Akyildiz, I.F., Andersen, K., and S. E. Thorsteinsson – in Wuwnet’25, Shenzhen, China, October 2025. Received the Best Paper Award

DOI: 10.1145/3784941.3784966

Formation Control for Swarm Underwater Vehicles Using Multi-Agent Deep Reinforcement Learning

T. Girici, H. Guo, I. F. Akyildiz, K. Andersen, and S. E. Þorsteinsson – in BalkanCom 2025 – 8th International Balkan Conference on Communications and Networking, Piraeus, Greece, June 2025.

DOI: 10.1109/BALKANCOM65827.2025.11186029

Covering Underwater Shadow Zones Using Acoustic Reconfigurable Intelligent SurfacesFormation Control for Swarm Underwater Vehicles Using Multi-Agent Deep Reinforcement Learning

L. Zhao, J. Tan, J. Wang, I. F. Akyildiz, and Z. Sun – in IEEE INFOCOM 2025 – IEEE Conference on Computer Communications, pp. 1–10, 2025.

DOI: 10.1109/INFOCOM55648.2025.11044529

Powering Underwater Robotics Sensor Networks Through Ocean Energy Harvesting and Wireless Power Transfer Methods: Systematic Review

S. J. Nordfjord, S. E. Þorsteinsson, and K. Andersen – Journal of Marine Science and Engineering,
vol. 13, no. 9, Article 1728, September 2025.

DOI: 10.3390/jmse1309172

2024


Design, Modelling and Analysis of Underwater Acoustic Backscatter Communications

N. Tang, Y. Liu, X. Chu, and I. F. Akyildiz – in ICC 2024 – IEEE International Conference on Communications, Denver, Colorado, USA, pp. 4227–4232, June 2024.

DOI: 10.1109/ICC51166.2024.10623056

Citation & preprint policy

All HAF publications are indexed with persistent DOIs and, where publisher policy permits, an accompanying preprint is deposited in the University of Iceland institutional repository (Skemman) and on arXiv.

Please cite the published version where available; preprint identifiers are listed alongside each entry above for early-access reference.

Funding acknowledgment

This research is supported by Rannís, the Icelandic Research Fund, under Grant No. 239994-051, “Buoy-Free Acoustic-Aerial Networking for Underwater Robotics.”

Requests for datasets, code or full-text access can be directed through the Contact page. Media and press may request high-resolution figures for coverage of listed work.