Journals

Published (51)

1. A. Giannopoulos, S. Spantideas, M.Zetas, N. Nomikos, P. Trakadas, FedShip: Federated Over-the-Air Learning for Communication-Efficient and Privacy-Aware Smart Shipping in 6G Communications, Transactions on Intelligent Transportation Systems, 2024, IEEE, https://doi.org/10.1109/TITS.2024.3468383.

2. V. Özduran, M. Mohammadi, N. Nomikos, I. S. Ansari, P. Trakadas, On the Performance of Uplink Power-Domain NOMA with Imperfect CSI and SIC in 6G Networks, Journal of Communications and Networks, 2024, IEEE/KICS, https://doi.org/10.23919/JCN.2024.000039.

3. N. Nomikos, T. Charalambous, R. Wichman, Y.-A. Pignolet, N. Pappas, On the Interplay Between Deadline-Constrained Traffic and the Number of Allowed Retransmissions in Random Access Networks, Entropy, 2024, MDPI, https://doi.org/10.3390/e26080655.

4. N. Nomikos, T. Charalambous, P. Trakadas, R. Wichman, Bandit-Based Learning-Aided Full-Duplex/Half-Duplex Mode Selection in 6G Cooperative Relay Networks, Open Journal of the Communications Society, 2024, IEEE, https://doi.org/10.1109/OJCOMS.2024.3370476.

5. G. Xylouris, N. Nomikos, A. Kalafatelis, A. Giannopoulos, S. Spantideas, P. Trakadas, Sailing into the Future: Technologies, Challenges, and Opportunities for Maritime Communication Networks in the 6G Era, Frontiers in Communications and Networks, 2024, https://doi.org/10.3389/frcmn.2024.1439529.

6. V. Özduran, N. Nomikos, I. S. Ansari, Achievable Secrecy Rate Analysis of OFDM-Based Multi-User Untrusted Relay Networks with Imperfect CSI, Transactions on Emerging Telecommunications Technologies, 2024, Wiley, https://doi.org/10.1002/ett.5005.

7. V. Özduran, N. Nomikos, E. Soleimani-Nasab, I. S. Ansari, P. Trakadas, Relay-Aided Uplink NOMA Under Non-Orthogonal CCI and Imperfect SIC in 6G Networks, Open Journal of Vehicular Technology, 2024, IEEE, https://doi.org/10.1109/OJVT.2024.3392951.

8. N. Nomikos, A. Giannopoulos, A. Kalafatelis, V. Özduran, P. Trakadas, G. K. Karagiannidis, Improving Connectivity in 6G Maritime Communication Networks with UAV Swarms, Access, 2024, IEEE, https://doi.org/10.1109/ACCESS.2024.3360133.

9. A. Giannopoulos, P. Gkonis, P. Bithas, N. Nomikos, A. Kalafatelis, P. Trakadas, Federated Learning for Maritime Environments: Use Cases, Experimental Results, and Open Issues, Journal of Marine Science and Engineering, 2024, MDPI, https://doi.org/10.3390/jmse12061034.

10. P. Gkonis, N. Nomikos, P. Trakadas, L. Sarakis, G. Xyloyris, X. Masip-Bruin, J. Martrat, Leveraging Network Data Analytics Function and Machine Learning for Data Collection, Resource Optimization, Security and Privacy in 6G Networks, Access, 2024, IEEE, https://doi.org/10.1109/ACCESS.2024.3359992.

11. A. Angelopoulos, A. Giannopoulos, N. Nomikos, A. Kalafatelis, A. Hatziefremidis, P. Trakadas, Federated Learning-Aided Prognostics in the Shipping 4.0: Principles, Workflow, and Use Cases, Access, 2024, IEEE, https://doi.org/10.1109/ACCESS.2024.3350777.

12. V. Özduran, N. Nomikos, Performance Analysis of Inverse Successive Interference Cancellation in NOMA-based Communications, Wireless Networks, 2024, Springer, https://doi.org/10.1007/s11276-023-03618-9.

13. M. Zetas, S. Spantideas, A. Giannopoulos, N. Nomikos, P. Trakadas, Empowering 6G Maritime Communications with Distributed Intelligence and Over-the-Air Model Sharing, Frontiers in Communications and Networks, 2023, https://doi.org/10.3389/frcmn.2023.1280602.

14. V. Özduran, N. Nomikos, On the Leakage-Rate Performance of Untrusted Relay-Aided NOMA under Co-Channel Interference, Telecommunication Systems, 2023, Springer, https://doi.org/10.1007/s11235-023-01071-9.

15. V. Özduran, M. Mohammadi, I. S. Ansari, N. Nomikos, Performance Analysis of Uplink Non-Orthogonal Multiple Access in the Presence of Co-Channel Interference, Transactions on Vehicular Technology, 2023, IEEE, https://doi.org/10.1109/tvt.2023.3265190.

16. N. Nomikos, P. K. Gkonis, P. S. Bithas, P. Trakadas, A Survey on UAV-Aided Maritime Communications: Deployment Considerations, Applications, and Future Challenges, Open Journal of the Communications Society, 2023, IEEE, https://doi.org/10.1109/OJCOMS.2022.3225590.

17. N. Nomikos, S. Talebi, T. Charalambous, R. Wichman, Bandit-Based Power Control in Full-Duplex Cooperative Relay Networks with Strict-Sense Stationary and Non-Stationary Wireless Communication Channels, Open Journal of the Communications Society, 2022, IEEE, https://doi.org/10.1109/OJCOMS.2022.3154292.

18. E. Fountoulakis, T. Charalambous, N. Nomikos, A. Ephremides, N. Pappas, Information Freshness and Packet Drop Rate Interplay in a Two-User Multi-Access Channel, Journal of Communications and Networks, 2022, IEEE/KICS, https://doi.org/10.23919/JCN.2022.000010.

19. V. Özduran, N.H. Mahmood, N. Nomikos, Performance Analysis of Power-Domain NOMA for Full-Duplex Two-Way Relaying, Transactions on Emerging Telecommunications Technologies, 2022, Wiley, https://doi.org/10.1002/ett.4487.

20. N. Nomikos, S. Zoupanos, T. Charalambous, I. Krikidis, A Survey on Reinforcement Learning-Aided Caching in Heterogeneous Mobile Edge Networks, Access, 2022, IEEE, https://doi.org/10.1109/ACCESS.2022.3140719.

21. E. T. Michailidis, P. Bithas, N. Nomikos, D. Vouyioukas, A. G. Kanatas, Outage Probability Analysis in Multi-User FSO/RF and UAV-enabled MIMO Communication Networks, Physical Communication, 2021, Elsevier, https://doi.org/10.1016/j.phycom.2021.101475.

22. N. Nomikos, T. Charalambous, N. Pappas, D. Vouyioukas, R. Wichman, LoLa4SOR: Leveraging Successive Transmissions for Low-Latency Buffer-Aided Opportunistic Relay Networks, Open Journal of the Communications Society, 2021, IEEE, https://doi.org/10.1109/OJCOMS.2021.3077036.

23. M. Karavolos, N. Nomikos, D. Vouyioukas, P. T. Mathiopoulos, HST-NNC: A Novel Hybrid Satellite-Terrestrial Communication with NOMA and Network Coding Systems, Open Journal of the Communications Society, 2021, IEEE, https://doi.org/10.1109/OJCOMS.2021.3072110.

24. N. Nomikos, T. Charalambous, D. Vouyioukas, G. K. Karagiannidis, When Buffer-Aided Relaying Meets Full-Duplex and NOMA, Wireless Communications, 2021, IEEE, https://doi.org/10.1109/MWC.001.2000223.

25. N. Nomikos, T. Charalambous, D. Vouyioukas, R. Wichman, G. K. Karagiannidis, Integrating Broadcasting and NOMA in Full-Duplex Buffer-Aided Opportunistic Relay Networks, Transactions on Vehicular Technology, 2020, IEEE, https://doi.org/10.1109/TVT.2020.2999655.

26. M. Karavolos, N. Nomikos, D. Vouyioukas, Enhanced Integrated Satellite–Terrestrial NOMA with Cooperative Device-to-Device Communication, Telecom, 2020, MDPI, https://doi.org/10.3390/telecom1020010.

27. N. Nomikos, E. T. Michailidis, P. Trakadas, D. Vouyioukas, H. Karl, J. Martrat, T. Zahariadis, K. Papadopoulos, S. Voliotis, A UAV-Based Moving 5G RAN Architecture for Massive Connectivity of Mobile Users and IoT Devices, Vehicular Communications, 2020, Elsevier, https://doi.org/10.1016/j.vehcom.2020.100250.

28. N. Nomikos, A. Angelopoulos, E. T. Michailidis, P. Trakadas, A. Hatziefremidis, S. Voliotis, T. Zahariadis, Tackling Faults in the Industry 4.0 Era: A Survey of Machine-Learning Solutions and Key Aspects, Sensors, 2020, MDPI, https://doi.org/10.3390/s20010109.

29. N. Nomikos, P. Trakadas, A. Hatziefremidis, S. Voliotis, Full-Duplex NOMA Transmission with Single-Antenna Buffer-Aided Relays, Electronics, 2019, MDPI, https://doi.org/10.3390/electronics8121482.

30. E. T. Michailidis, N. Nomikos, P. Trakadas, A. G. Kanatas, Three-Dimensional Modeling of mmWave Doubly Massive MIMO Aerial Fading Channels, Transactions on Vehicular Technology, 2019, IEEE, https://doi.org/10.1109/TVT.2019.2956460.

31. N. Nomikos, P. Bithas, E. T. Michailidis, D. Vouyioukas, A. G. Kanatas, A Survey on Machine-Learning Techniques for UAV-Based Communications, Sensors, 2019, MDPI, https://doi.org/10.3390/s19235170.

32. P. Trakadas, N. Nomikos, E. T. Michailidis, T. Zahariadis, F. Facca, D. Breitgand, S. Rizou, X. Masip, P. Gkonis, Hybrid Clouds for Data-Intensive, 5G-enabled IoT Applications: An Overview, Key Issues and Relevant Architecture, Sensors, 2019, MDPI,  https://doi.org/10.3390/s19163591.

33. N. Nomikos, E. T. Michailidis, P. Trakadas, D. Vouyioukas, T. Zahariadis, I. Krikidis, Flex-NOMA: Exploiting Buffer-Aided Relay Selection for Massive Connectivity in the 5G Uplink, Access, 2019, IEEE, https://doi.org/10.1109/ACCESS.2019.2926770.

34. N. Nomikos, T. Charalambous, D. Vouyioukas, G. K. Karagiannidis, R. Wichman, Hybrid NOMA/OMA with Buffer Aided Relay Selection in Cooperative Networks, Journal of Selected Topics in Signal Processing, 2019, IEEE, https://doi.org/10.1109/JSTSP.2019.2894059.

35. E. T. Michailidis, N. Nomikos, P. Bithas, D. Vouyioukas, A. G. Kanatas, Optimal 3-D Aerial Relay Placement for Multi-User MIMO Communications, Transactions on Aerospace and Electronic Systems, 2019, IEEE, https://doi.org/10.1109/TAES.2019.2902681.

36. N. Nomikos, D. Poulimeneas, T. Charalambous, I. Krikidis, D. Vouyioukas, M. Johansson, Delay- and Diversity-Aware Buffer-Aided Relay Selection Policies in Cooperative Networks, Access, 2018, IEEE, https://doi.org/10.1109/ACCESS.2018.2883894.

37. N. Nomikos, T. Charalambous, D. Vouyioukas, R. Wichman, G. K. Karagiannidis, Power Adaptation in Buffer-Aided Full-Duplex Relay Networks with Statistical CSI, Transactions on Vehicular Technology, 2018, IEEE, https://doi.org/10.1109/TVT.2018.2837683.

38. T. Charalambous, S. M. Kim, N. Nomikos, M. Bengtsson, M. Johansson, Relay Pair Selection with Source Precoding in Buffer-Aided Successive Opportunistic Relaying, Ad Hoc Networks, 2018, Elsevier, https://doi.org/10.1016/j.adhoc.2018.09.002.

39. N. Nomikos, T. Charalambous, D. Vouyioukas, G. K. Karagiannidis, Low-Complexity Buffer-Aided Link Selection with Outdated CSI and Feedback Errors, Transactions on Communications, 2018, IEEE, https://doi.org/10.1109/TCOMM.2018.2821143 2018.

40. V. Tatsis, M. Karavolos, D. N. Skoutas, N. Nomikos, D. Vouyioukas, C. Skianis, Energy-Aware Clustering of CoMP-DPS Transmission Points, Computer Communications, 2018, Elsevier, https://doi.org/10.1016/j.comcom.2018.11.009.

41. A. Nieto, N. Nomikos, J. Lopez, C. Skianis, Dynamic Knowledge-Based Analysis in Nonsecure 5G Green Environments Using Contextual Data, Systems Journal, 2017, IEEE, https://doi.org/10.1109/JSYST.2015.2477782.

42. N. Nomikos, T. Charalambous, I. Krikidis, D. N. Skoutas, D. Vouyioukas, M. Johansson, C. Skianis, A Survey on Buffer-Aided Relay Selection, Communications Surveys & Tutorials, 2016, IEEE, http://dx.doi.org/10.1109/COMST.2015.2512441.

43. N. Nomikos, P. Makris, D. N. Skoutas, D. Vouyioukas, C. Skianis, Wireless Femto-Relays: A new model for small cell deployments, International Journal of Wireless Networks and Broadband Technologies, 2015, IGI Global, http://dx.doi.org/10.4018/ijwnbt.2015010104.

44. N. Nomikos, T. Charalambous, I. Krikidis, D. N. Skoutas, D. Vouyioukas, M. Johansson, A Buffer-aided Successive Opportunistic Relay Selection Scheme with Power Adaptation and Inter-Relay Interference Cancellation for Cooperative Diversity Systems, Transactions on Communications, 2015, IEEE, http://dx.doi.org/10.1109/TCOMM.2015.2416234.

45. T. Charalambous, N. Nomikos, I. Krikidis, D. Vouyioukas, M. Johansson, Modeling Buffer-Aided Relay Selection in Networks with Direct Transmission Capability, Communications Letters, 2015, IEEE, http://dx.doi.org/10.1109/LCOMM.2015.2402654.

46. N. Nomikos, A. Nieto, P. Makris, D. N. Skoutas, D. Vouyioukas, P. Rizomiliotis, J. Lopez, C. Skianis, Relay Selection for Secure 5G Green Communications, Telecommunication Systems, 2015, Springer, http://rdcu.be/nMNV.

47. E. Bogdani, D. Vouyioukas, N. Nomikos, Localization Error Modeling of Hybrid Fingerprint-Based Techniques for Indoor Ultra-Wideband Systems, Telecommunication Systems, 2015, Springer, http://dx.doi.org/10.1007/s11235-015-0116-4.

48. N. Nomikos, D. N. Skoutas, D. Vouyioukas, C. Verikoukis, C. Skianis, Capacity Maximization through Energy-Aware Multi-Mode Relaying, Wireless Personal Communications, 2014, Springer, http://rdcu.be/nMNU.

49. N. Nomikos, E. T. Michailidis, D. Vouyioukas, A. G. Kanatas, Performance Analysis of a Two-Hop MIMO Mobile-to-Mobile via Stratospheric-Relay Link Employing Hierarchical Modulation, International Journal of Antennas and Propagation, 2013, Hindawi, http://dx.doi.org/10.1155/2013/935609.

50. N. Nomikos, D. Vouyioukas, T. Charalambous, I. Krikidis, P. Makris, D. N. Skoutas, M. Johansson, C. Skianis, Joint Relay-Pair Selection for Buffer-Aided Successive Opportunistic Relaying, Transactions on Emerging Telecommunications Technologies, 2013, Wiley, http://dx.doi.org/10.1002/ett.2718.

51. P. Makris, N. Nomikos, D. N. Skoutas, D. Vouyioukas, C. Skianis, Jie Zhang, C. Verikoukis, A Context Aware Framework for the Efficient Integration of Femtocells in IP and Cellular Infrastructures, Journal on Wireless Communications and Networking, 2013, EURASIP, https://doi.org/10.1186/1687-1499-2013-62.