[en] This paper presents the ETHER architecture, a comprehensive end-to-end (E2E) framework unifying Terrestrial Network (TN) and Non-Terrestrial Network (NTN) infrastructures for future 6G networks. By integrating satellite, aerial, and terrestrial strata into a cohesive3D ecosystem, ETHER addresses the challenges of interoperability, mobility management, and resource orchestration across heterogeneous environments. The proposed layered design builds on key enablers, including NFV, SDN, AI-driven orchestration, flexible payload concepts, and specialised management and orchestration mechanisms to accommodate diverse service requirements. Emphasis is placed on closed-loop automation for dynamic topology management, handover optimisation, and efficient E2E slicing. Additionally, an AI layer extending the Network Intelligence concept is introduced, enhancing situational awareness and performance prediction across the 3D network. The architecture has been evaluated in terms of energy efficiency, demonstrating significant gains for resource allocation under various traffic conditions. Overall, ETHER delivers a flexible, future-proof TN-NTN solution capable of meeting increasingly complex demands in 6G mobile networks.
Disciplines :
Electrical & electronics engineering
Author, co-author :
Tomaszewski, Lechosław ; Orange Polska S.A., Warszawa, Poland
ETHER project has received funding from the Smart Networks and Services Joint Undertaking (SNS JU) under the European Union\u2019s Horizon Europe research and innovation programme under Grant Agreement No. 101096526. Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union. Neither the European Union nor the granting authority can be held responsible for them.
ETHER: Deliverable D2.4 Final report on ETHER network architecture, interfaces, and architecture (2024)
Uusitalo, M.A., et al.: 6G vision, value, use cases and technologies from European 6G flagship project hexa-X. IEEE Access 9, 160004–160020 (2021). https://doi.org/10.1109/ACCESS.2021.3130030
ITU-R: Framework and overall objectives of the future development of IMT for 2030 and beyond. Recommendation M.2160, ITU-R (2021)
NGMN Alliance: Non-Terrestrial Networks Position Paper (2019)
NGMN Alliance: 6G Use cases and analysis (2022)
MonB5G. https://www.monb5g.eu/. Accessed 18 Jun 2025
Hexa-X. https://hexa-x.eu/. Accessed 18 Jun 2025
ETSI: Open Source MANO. https://osm.etsi.org/. Accessed 18 Jun 2025
Maira, K., Ali, J., Roh, B.: Artificial intelligence and machine learning technologies for integration of terrestrial in non-terrestrial networks. IEEE Internet Things Mag. 7(1), 28–33 (2024). https://doi.org/10.1109/IOTM.001.2300190
ETSI: Experiential Networked Intelligence. https://www.etsi.org/technologies/experiential-networked-intelligence. Accessed 18 Jun 2025
ETSI: Zero touch network & Service Management. https://www.etsi.org/technologies/zero-touch-network-service-management. Accessed18 Jun 2025
Camelo, M., et al.: DAEMON: a network intelligence plane for 6G networks. In: 2022 IEEE Globecom Workshops (GC Wkshps), Rio de Janeiro, Brazil, pp. 1341– 1346. IEEE (2022). https://doi.org/10.1109/GCWkshps56602.2022.10008662
Yuan, S., et al.: Software defined intelligent satellite-terrestrial integrated networks: insights and challenges. Digit. Commun. Netw. 9(6), 1331–1339 (2023). https://doi.org/10.1016/j.dcan.2022.06.009
Campana, R., et al.: O-RAN based non-terrestrial networks: trends and challenges. In: 2023 Joint European Conference on Networks and Communications & 6G Summit (EuCNC/6G Summit), pp. 264–269 (2023). https://doi.org/10.1109/EuCNC/6GSummit58263.2023.10188308
Azari, M.M., et al.: Evolution of non-terrestrial networks from 5G to 6G: a survey. IEEE Commun. Surv. Tutor. 24(4), 2633–2672 (2022). https://doi.org/10.1109/COMST.2022.3199901
ETSI: Multi-access Edge Computing – Standards for MEC. https://www.etsi.org/committee/1425-mec. Accessed18 Jun 2025
EAGER. https://www.eagerproject.eu/. Accessed 18 Jun 2025
6G SANDBOX. https://6g-sandbox.eu. Accessed 18 Jun 2025
6G-NTN. https://6g-ntn.eu/. Accessed 18 Jun 2025
5G-STARDUST. https://5g-stardust.eu/. Accessed 18 Jun 2025
6G-IA Architecture Working Group: Architecture White Paper v1.3 for Public Consultation. White Paper Version 1.3, 6G Infrastructure Association (6G-IA) (2025)
Ávila Acosta, J., et al.: Integrating geographical information systems in management and orchestration of satellites constellation to achieve a spatial-aware 6G non-terrestrial networks architecture. In: Proceedings of the 75th IAC 2024: Milan, Italy, 14–18 October 2024: Proceedings, pp. 100–105 (2024). https://doi.org/10.52202/078366-0011
Ávila Acosta, J., et al.: Spatial-aware MANO systems for efficient mobility management of satellite-based non-terrestrial networks. IEEE Open J. Commun. Soc. 6, 4328–4340 (2025). https://doi.org/10.1109/OJCOMS.2025.3568892
3GPP: Management and orchestration; Architecture framework. Technical Standard TS 28.533, ver. 19.1.0, 3GPP (2025)
3GPP: System architecture for the 5G System (5GS). Technical Standard TS 23.501, ver. 19.3.0, 3GPP (2025)
IBM: An architectural blueprint for autonomic computing. IBM Autonomic Computing White Paper 4th edition, IBM (2006)
3GPP: Interface between the Control Plane and the User Plane nodes. Technical Standard TS 29.244, ver. 19.1.0, 3GPP (2025)
ONF: OpenFlow Switch Specification. ONF TS-025, ver. 1.5.1 (Protocol version 0x06), Open Networking Foundation (2015)
ONF: OF-CONFIG 1.2 OpenFlow Management and Configuration Protocol. ONF TS-016, ver. 1.2, Open Networking Foundation (2017)
Pfaff, B., Davie, B.: The Open vSwitch Database Management Protocol. Request for Comments RFC 7047, Internet Engineering Task Force (2013)
3GPP: Procedures for the 5G System (5GS); Stage 2. Technical Standard TS 23.502, ver. 19.3.0, 3GPP (2025)
Massod Khorsandi, B., et al.: The 6G Architecture Landscape – European perspective. Architecture White Paper, 5G PPP Architecture Working Group (2023). https://doi.org/10.5281/zenodo.7313231
Tomaszewski, L., Ko̷lakowski, R.: On the efficient architecture for 6G system. In: Maglogiannis, I., Iliadis, L., Karydis, I., Papaleonidas, A., Chochliouros, I. (eds.) Artificial Intelligence Applications and Innovations. AIAI 2024 IFIP WG 12.5 International Workshops. AIAI 2024. IFIP Advances in Information and Communication Technology, vol. 715, pp. 139–153 (2024). https://doi.org/10.1007/978-3-031-63227-3 10
k3s: OpenLightweight Kubernetes. https://k3s.io/. Accessed 18 Jun 2025
MLflow. https://mlflow.org/. Accessed 18 Jun 2025
Nearby Computing: NearbyOne. https://www.nearbycomputing.com/nearbyone/. Accessed 18 Jun 2025
