Publications to top-tier journals and magazines

G. Fontanesi et al., “Artificial Intelligence for Satellite Communication: A Survey,” in IEEE Communications Surveys & Tutorials, vol. 28, pp. 1381-1435, 2026, doi: 10.1109/COMST.2025.3534617J. Luo and N. Pappas, “Semantic-Aware Remote Estimation of Multiple Markov Sources Under Constraints,” in IEEE Transactions on Communications, vol. 73, no. 11, pp. 11093-11105, Nov. 2025, doi: 10.1109/TCOMM.2025.3571950.J. Luo and N. Pappas, “On the Cost of Consecutive Estimation Error: Significance-Aware Non-Linear Aging,” in IEEE Transactions on Information Theory, vol. 71, no. 10, pp. 7976-7989, Oct. 2025, doi: 10.1109/TIT.2025.3585733C. Wang, Z. Chen, N. Pappas, H. H. Yang, T. Q. S. Quek and H. V. Poor, “Adaptive Federated Learning Over the Air,” in IEEE Transactions on Signal Processing, vol. 73, pp. 3187-3202, July 2025, doi: 10.1109/TSP.2025.3585002.

T. V. Chien, N. M. Quan, T. N. Do, C. Le, T. N. Nguyen and S. Chatzinotas, “Fast Beam Placement for Ultra-Dense LEO Networks,” in IEEE Wireless Communications Letters, vol. 14, no. 3, pp. 621-625, March 2025, doi: 10.1109/LWC.2024.3516818.

S. Kisseleff, V. M. Baeza, H. Al-Hraishawi, K. Ntontin, W. A. Martins and S. Chatzinotas, “Massive RF Inter-Satellite Links for Massive Non-Terrestrial Networks,” in IEEE Communications Magazine, vol. 63, no. 5, pp. 48-53, May 2025, doi: 10.1109/MCOM.002.2400313.

B. Shen, Y. Wu, W. Zhang, S. Chatzinotas and B. Ottersten, “LEO Satellite-Enabled Random Access With Large Differential Delay and Doppler Shift,” in IEEE Transactions on Wireless Communications, vol. 24, no. 4, pp. 2876-2893, April 2025, doi: 10.1109/TWC.2025.3525738.

G. Zachos, G. Mantas, K. Porfyrakis, J. Manuel Camões Sobral de Bastos and J. Rodriguez, “Anomaly-Based Intrusion Detection for IoMT Networks: Design, Implementation, Dataset Generation, and ML Algorithms Evaluation,” in IEEE Access, vol. 13, pp. 41994-42028, 2025, doi: 10.1109/ACCESS.2025.3547572

B. Hathout, P. Shepherd, T. Dagiuklas, K. Nagaty, A. Hamdy and J. Rodriguez, “Adaptive Trust Management for Data Poisoning Attacks in MEC-Based FL Infrastructures,” in IEEE Open Journal of the Communications Society, vol. 6, pp. 3140-3160, 2025, doi: 10.1109/OJCOMS.2024.3523368

G. Stamatakis, N. Pappas, A. Fragkiadakis, N. Petroulakis and A. Traganitis, “Semantics-Aware Active Fault Detection in Status Updating Systems,” in IEEE Open Journal of the Communications Society, vol. 5, pp. 1182-1196, 2024, doi: 10.1109/OJCOMS.2024.3363731

G. Karevvanavar, H. Pable, O. Patil, R. V. Bhat and N. Pappas, “Version Age of Information Minimization over Fading Broadcast Channels,” in IEEE Transactions on Wireless Communications, doi: 10.1109/TWC.2024.3510942E. Fountoulakis, M. Codreanu, A. Ephremides and N. Pappas, “Joint Sampling and Transmission Policies for Minimizing Cost Under Age of Information Constraints”, 2024, Entropy 26, no. 12: 1018. https://doi.org/10.3390/e26121018

H. Zhou, Y. Deng, X. Liu, N. Pappas and A. Nallanathan, “Goal-Oriented Semantic Communications for 6G Networks,” in IEEE Internet of Things Magazine, vol. 7, no. 5, pp. 104-110, September 2024, doi: 10.1109/IOTM.001.2300269

E. Delfani and N. Pappas, “Version Age-Optimal Cached Status Updates in a Gossiping Network with Energy Harvesting Sensor,” in IEEE Transactions on Communications, doi: 10.1109/TCOMM.2024.3471969

E. Delfani, G. J. Stamatakis and N. Pappas, “State-Aware Timeliness in Energy Harvesting IoT Systems Monitoring a Markovian Source,” in IEEE Transactions on Green Communications and Networking, doi: 10.1109/TGCN.2024.3479460

Publications to top-tier conferences

X. Hu, N. Pappas and H. H. Yang, “Version Age-Based Client Scheduling Policy for Federated Learning,” 2024 IEEE International Conference on Acoustics, Speech, and Signal Processing Workshops (ICASSPW), Seoul, Korea, Republic of, 2024, pp. 695-699, doi: 10.1109/ICASSPW62465.2024.10626990

J. Zhu, N. Pappas and H. H. Yang, “Boosting Dynamic TDD in Small Cell Networks by the Multiplicative Weight Update Method,” 2024 IEEE Wireless Communications and Networking Conference (WCNC), Dubai, United Arab Emirates, 2024, pp. 1-6, doi: 10.1109/WCNC57260.2024.10571025

Q. Wang, H. Chen, P. Mohapatra and N. Pappas, “Secure Status Updates under Eavesdropping: Age of Information-based Secrecy Metrics,” IEEE INFOCOM 2024 – IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS), Vancouver, BC, Canada, 2024, pp. 01-06, doi:10.1109/INFOCOMWKSHPS61880.2024.10620867

E. Delfani and N. Pappas, “Optimizing Information Freshness in IoT Systems with Update Rate Constraints: A Token-Based Approach,” 2024 IFIP Networking Conference (IFIP Networking), Thessaloniki, Greece, 2024, pp. 213-221, doi: 10.23919/IFIPNetworking62109.2024.10619779

B. A. Madhabhavi, G. Karevvanavar, R. V. Bhat and N. Pappas, “Semantic Text Transmission via Prediction with Small Language Models: Cost-Similarity Trade-off,” 2024 IEEE International Conference on Communications Workshops (ICC Workshops), Denver, CO, USA, 2024, pp. 1244-1249, doi:10.1109/ICCWorkshops59551.2024.10615608

J. Luo and N. Pappas, “Goal-Oriented Estimation of Multiple Markov Sources in Resource-Constrained Systems,” 2024 IEEE 35th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Valencia, Spain, 2024, pp. 1-6, doi: 10.1109/PIMRC59610.2024.10817179

Jiping Luo and Nikolaos Pappas. 2024. Minimizing the Age of Missed and False Alarms in Remote Estimation of Markov Sources. In Proceedings of the Twenty-fifth International Symposium on Theory, Algorithmic Foundations, and Protocol Design for Mobile Networks and Mobile Computing (MobiHoc ’24). Association for Computing Machinery, New York, NY, USA, 381–386. 10.1145/3641512.3690161

E. Delfani and N. Pappas, “Semantics-Aware Status Updates with Energy Harvesting Devices: Query Version Age of Information,” 2024 22nd International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt), Seoul, Korea, Republic of, 2024, pp. 177-184

J. Luo and N. Pappas, “Semantic-Aware Remote Estimation of Multiple Markov Sources Under Constraints,” 2024 22nd International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt), Seoul, Korea, Republic of, 2024, pp. 15-21

M. N. Dazhi, H. Al-Hraishawi, B. Shankar and S. Chatzinotas, “MARL-aided Spectral Efficiency Maximization in Multi-Tier NTN Operating Multi-Connectivity with Different Waveforms for PAYG Service,” 2024 IEEE 100th Vehicular Technology Conference (VTC2024-Fall), Washington, DC, USA, 2024, pp. 1-7, doi: 10.1109/VTC2024-Fall63153.2024.10757662.

P. Shepherd, T. Dagiuklas, B. Alkan and J. Rodriguez, “Integrating a Zero-Trust Adaptive Security Framework in Edge Based Federated Learning,” 2024 IEEE 29th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD), Athens, Greece, 2024, pp. 1-5, doi: 10.1109/CAMAD62243.2024.10942760

G. Zachos et al., “Anomaly-based Intrusion Detection for IoMT Networks: Leveraging Blockchain Technology,” 2025 IEEE International Conference on Communications Workshops (ICC Workshops), Montreal, QC, Canada, 2025, pp. 1215-1220, doi: 10.1109/ICCWorkshops67674.2025.11162309

G. Zachos, G. Mantas, J. Bastos, J. Rodriguez, A. Tsiota, D. Xenakis, “Anomaly-based Intrusion Detection for Zephyr-based Resource-Constrained Devices in IoMT Networks”, 2025 IEEE Conference on Network Function Virtualization and Software-Defined Networks (IEEE NFV/SDN), 10–12 November 2025, Athens, Greece

G. Smpokos, D. Xenakis, M. Kountouris, N. Pappas, “Age of Information-Aware Cognitive Shared Access Networks with Energy Harvesting”, 2025 IEEE Conference on Network Function Virtualization and Software-Defined Networking (IEEE NFV-SDN), 10–12 November 2025, Athens, Greece

I. Vittorakis, D. Xenakis, G. Kalpaktsoglou, “On the Resource Consumption of 2D Human Pose Estimation Services in MEC-enabled Networks”, 2025 IEEE Conference on Network Function Virtualization and Software-Defined Networking (IEEE NFV-SDN), 10–12 November 2025, Athens, Greece

D. Xenakis, P. Xepapadakou, K. Palias, “On the Service Probability of MEC-enabled Beyond 5G Systems supporting 3GPP Location Services”, 2025 IEEE Conference on Network Function Virtualization and Software-Defined Networking (IEEE NFV-SDN), 10–12 November 2025, Athens, Greece

E. A. Doost, G. Mantas, J. Bastos, J. Rodriguez, A. Tsiota, D. Xenakis, “Physical-Layer Security in OFDM-Based PNC-Enabled IoT: Analysis and Detection of Symbol-Level Jamming Attacks”, 2025 IEEE Globecom Workshops: Workshop on Machine Learning and Deep Learning for Wireless Security, 8–12 December 2025, Taipei, Taiwan