Technical seminar by Dr. Amitabha (Amitava) Ghosh: Non-Terrestrial Networks: Unlocking Global Coverage in 6G

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Non-terrestrial networks(NTN) are comprised of satellites-geostationary equatorial orbit (GEO), medium-Earth orbit (MEO) and low-earth orbit(LEO)-as well as high-altitude platform systems (HAPS), which include unmanned airships above 20Km, and unmanned aerial systems (UAS) or drones. The traditional satellite industry is being disrupted by accelerated LEO deployments from companies like SpaceX, AST and others. In this talk, we describe the use cases, challenges and the solution of the NTN systems and the importance of standards-based NTN solutions (Release-17 through 20), especially for LEO based 5G NR and 6G. Further, this presentation will take a close look direct-to-cell communications (D-2-C) and explore its promise and limitations.


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  • Chalmers
  • Hörsalsvägen 11
  • Gothenburg, Vastra Gotalands lan
  • Sweden
  • Building: EDIT building floor 3
  • Room Number: E2 room 2503 Fredrik Lamm
  • Contact Event Host

  • Tommy Svensson, Chalmers University of Technology, tommy.svensson@chalmers.se

  • Co-sponsored by Chalmers University of Technology

  Speakers

Dr. Amitabha (Amitava) Ghosh of Nokia

Topic:

Non-Terrestrial Networks: Unlocking Global Coverage in 6G

Non-terrestrial networks(NTN) are comprised of satellites-geostationary equatorial orbit (GEO), medium-Earth orbit (MEO) and low-earth orbit(LEO)-as well as high-altitude platform systems (HAPS), which include unmanned airships above 20Km, and unmanned aerial systems (UAS) or drones. The traditional satellite industry is being disrupted by accelerated LEO deployments from companies like SpaceX, AST and others. In this talk, we describe the use cases, challenges and the solution of the NTN systems and the importance of standards-based NTN solutions (Release-17 through 20), especially for LEO based 5G NR and 6G. Further, this presentation will take a close look direct-to-cell communications (D-2-C) and explore its promise and limitations.

Biography:

Amitabha (Amitava) Ghosh (F’15) is a Nokia Fellow in Standards and Strategy at Nokia. He joined Motorola in 1990 after earning his Ph.D. in Electrical Engineering from Southern Methodist University, Dallas. Over a distinguished career spanning more than three decades, he has contributed to the evolution of wireless technologies from IS-95 through 5G-Advanced and is currently focused on 6G research and standardization. Dr. Ghosh holds more than 75 issued patents, has authored numerous internal and external technical papers, and has written multiple book chapters. He is a co-author of Essentials of LTE and LTE-A and 5G Enabled Industrial IoT Networks. He currently serves as Chair of the NextG Alliance Technology Roadmap Working Group and is a member of the NGA Research Council, where he has led and contributed to key initiatives including defining audacious 6G goals, the role of vertical industries, Integrated Sensing and Communication (ISAC), and AI/ML readiness for future networks. Dr. Ghosh is a recipient of the 2016 IEEE Stephen O. Rice Prize and the 2017 Neal Shepherd Prize, serves as a Senior Editor of IEEE Access, and was recently selected as an IEEE Communications Society Distinguished Lecturer for 2026–2027

https://scholar.google.com/citations?hl=en&user=4qpk4dUAAAAJ (h-index 78)

Address:Nokia Fellow and Head, Radio Interface Group at Nokia Standards, United States