A. Azarbahram, O. López, P. Popovski, and M. Latva-aho, "On the Deployment of Multiple Radio Stripes for Large-Scale Near-Field RF Wireless Power Transfer" in arXiv preprint arXiv:2508.21640 (submitted to IEEE Transactions on Wireless Communications), 2025.

A. Khattak, A. Azarbahram, D. Kumar, M. Latva-aho, and O. López, "End-to-End Joint Waveform and Beamforming Optimization for RF Wireless Power Transfer with Hybrid Transmit Architecture and Non-Linear Energy Harvesters" in IEEE Internet of Things Journal, 2025. (Accepted)

O. Rosabal, O. López, M. Renzo, R. Souza, and H. Alves, "Movable Antennas-aided Wireless Energy Transfer for the Internet of Things," in arXiv preprint arXiv:2506.21966 (submitted to IEEE Communications Letters), 2025.

A. Azarbahram, O. López, B. Clerckx, M. Renzo, and M. Latva-aho, "Beamforming and Waveform Optimization for RF Wireless Power Transfer with Beyond Diagonal Reconfigurable Intelligent Surfaces," in arXiv preprint arXiv:2502.19176 (submitted to IEEE TWC), 2025.

O. Rosabal, O. López, V. Souto, R. Souza, S. Montejo-Sánchez, R. Schober, and Hirley Alves, "Wireless Energy Transfer Beamforming Optimization for Intelligent Transmitting Surface," in IEEE Transactions on Wireless Communications, 2025 (Accepted).

A. Azarbahram, O. López, R. Souza, P. Popovski, and M. Latva-aho, "Sense-then-Charge: Wireless Power Transfer to Unresponsive Devices with Unknown Location," IEEE Global Communications Conference (GLOBECOM) Workshops, 2025 (Accepted).

A. Azarbahram, O. López, B. Clerckx, M. Renzo, and M. Latva-aho, "Beyond Diagonal Reconfigurable Intelligent Surfaces for Multi-Carrier RF Wireless Power Transfer," IEEE Wireless Communications and Networking Conference (WCNC), Milan, Italy, 2025, pp. 1-6, doi: 10.1109/WCNC61545.2025.10978386.

A. Azarbahram, O. López, P. Popovski, S. Pandey, and M. Latva-aho, "Deep Reinforcement Learning for Multi-User RF Charging with Non-linear Energy Harvesters," IEEE Global Communications Conference (GLOBECOM), Cape Town, South Africa, 2024, pp. 3075-3080, doi: 10.1109/GLOBECOM52923.2024.10901606.

A. Azarbahram, O. López, and M. Latva-Aho, "Waveform Optimization and Beam Focusing for Near-Field Wireless Power Transfer With Dynamic Metasurface Antennas and Non-Linear Energy Harvesters," in IEEE Transactions on Wireless Communications, vol. 24, no. 2, pp. 1031-1045, Feb. 2025, doi: 10.1109/TWC.2024.3503908.

O. López, O. Rosabal, A. Azarbahram, A. Khattak, M. Monemi, R. Souza, P. Popovski, and M. Latva-aho, "High-power and safe RF wireless charging: Cautious deployment and operation," in IEEE Wireless Communications, vol. 31, no. 6, pp. 118-125, Dec. 2024, doi: 10.1109/MWC.017.2300462.

O. Rosabal, O. López, S. Montejo-Sánchez, R. Souza, H. Alves, and M. Latva-Aho, "Average Local EMF Exposure and Power Consumption of a RIS-assisted WET System," 19th International Symposium on Wireless Communication Systems (ISWCS), Rio de Janeiro, Brazil, 2024, pp. 1-6, doi: 10.1109/ISWCS61526.2024.10639138.

A. Khattak, O. López, A. Azarbahram, D. Kumar, and M. Latva-Aho, "End-to-End Waveform and Beamforming Optimization for RF Wireless Power Transfer," IEEE 25th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Lucca, Italy, 2024, pp. 516-520, doi: 10.1109/SPAWC60668.2024.10694404.

O. Rosabal, O. López, and H. Alves, "Energy-Efficient Analog Beamforming for RF-WET with Charging Time Constraint," in IEEE Transactions on Vehicular Technology, vol. 73, no. 8, pp. 12160-12165, Aug. 2024, doi: 10.1109/TVT.2024.3372703. 

A. Azarbahram, O. López, R. Souza, R. Zhang, and M. Latva-Aho, "Energy Beamforming for RF Wireless Power Transfer With Dynamic Metasurface Antennas," in IEEE Wireless Communications Letters, vol. 13, no. 3, pp. 781-785, Mar. 2024, doi: 10.1109/LWC.2023.3343563. 

A. Azarbahram, O. López, P. Popovski, and M. Latva-aho, "On the Radio Stripe Deployment for Indoor RF Wireless Power Transfer," Wireless Communications and Networking Conference (WCNC), Dubai, Apr. 21-24, 2024.

K. Lin, Y. Mao, O. López, M. Alouini, "UAV-Enabled Wireless-Powered Underground Communication Networks: A Novel Time Allocation Approach," in arXiv preprint arXiv:2507.14627 (submitted to IEEE Transactions on Green Communication Networks), 2025.

D. Kumar, C. Singh, O. López, V. Bhatia, and M. Latva-Aho, "Performance Analysis of Passive/Active RIS Aided Wireless-Powered IoT Network With Nonlinear Energy Harvesting," in IEEE Transactions on Wireless Communications, vol. 24, no. 2, pp. 1132-1145, Feb. 2025, doi: 10.1109/TWC.2024.3505296.

J. Gimenez-Guzman, I. Leyva-Mayorga, A. Azarbahram, O. López, and P. Popovski, "Energy-Autonomous Roadside Nodes in V2I Using RF Energy Harvesting," in IEEE Open Journal of the Communications Society, vol. 5, pp. 4024-4035, 2024, doi: 10.1109/OJCOMS.2024.3422030.

R. Scaciota, G. Brante, R. Souza, O. López, S. Sarbu, and M. Bennis, "Decentralized RL-Based Data Transmission Scheme for Energy Efficient Harvesting," Joint European Conference on Networks and Communications & 6G Summit (EuCNC/6G Summit), Antwerp, Belgium, 2024, pp. 747-752, doi: 10.1109/EuCNC/6GSummit60053.2024.10597053.

P. Lacerda, A. Augusto Mariano, G. Brante, O. López, K. Mikhaylov, and R. Demo Souza, "Behavioral Modeling of a Radio Frequency Wireless Power Transfer System for Batteryless Internet of Things Applications," in IEEE Access, vol. 12, pp. 86974-86984, 2024, doi: 10.1109/ACCESS.2024.3416702.

F. Karim, N. Mahmood, A. De Sena, D. Kumar, O. López, and M. Latva-Aho, "SWIPT-Enabled RSMA Downlink Networks with Imperfect CSI and SIC," IEEE Wireless Communications and Networking Conference (WCNC), Dubai, United Arab Emirates, 2024, pp. 1-6, doi: 10.1109/WCNC57260.2024.10570853.

O. Rosabal, O. López, H. Alves, and M. Latva-Aho, "Sustainable RF Wireless Energy Transfer for Massive IoT: Enablers and Challenges," in IEEE Access, vol. 11, pp. 133979-133992, 2023.

O. López, O. Rosabal, D. Ruiz-Guirola, P. Raghuwanshi, K. Mikhaylov, L. Lovén, and S. Iyer, "Energy-Sustainable IoT Connectivity: Vision, Technological Enablers, Challenges, and Future Directions," in IEEE Open Journal of the Communications Society, vol. 4, pp. 2609-2666, 2023, doi: 10.1109/OJCOMS.2023.3323832.

K. Lin, O. López, H. Alves, and T. Hao, "On CSI-Free Multiantenna Schemes for Massive Wireless-Powered Underground Sensor Networks," in IEEE Internet of Things Journal, vol. 10, no. 19, pp. 17557-17570, Oct. 2023.

R. Scaciota, O. López, G. Brante, R. Souza, A. Mariano, and G. Moritz, "Batteryless Machine-Type Communications with Average Channel State Information Energy Beamforming," in IEEE Access, vol. 10, pp. 129676-129686, 2022.

D. Warnakulasuriy, K. Mikhaylov, and O. López, ``Wireless Power Transfer for Bluetooth Low Energy Based IoT Device: an Empirical Study of Energy Performance,'' 14th International Congress on Ultra Modern Telecommunications and Control Systems (ICUMT), Valencia, Oct. 11-13, 2022.