Journal article Open Access
O-RAN: Disrupting the Virtualized RAN Ecosystem
Andres Garcia-Saavedra;
Xavier Costa-Perez
The O-RAN Alliance is a worldwide effort to reach new levels of openness in next-generation virtualized radio access networks (vRANs). Initially launched by 5 major mobile carriers a couple of years ago, it is nowadays supported by over 160 companies (including 24 mobile operators across 4 continents) representing an outstanding example of how operators and suppliers around the world can constructively collaborate to define novel technical standards. In this paper, we provide a summary of the O-RAN Alliance RAN architecture along with its main building blocks. Then, a practical use case exploiting the AI/ML-based innovations enabled by O-RAN is presented, showcasing its disrupting potential. Based on this, the defined interfaces and services are described. Finally, a discussion on the pros and cons of O-RAN is provided along with the conclusions.
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Indexed in
- Publication date:
- November 29, 2021
- DOI:
-
- Keyword(s):
- O-RAN
- Grants:
-
European Commission:
- DAEMON - Network intelligence for aDAptive and sElf-Learning MObile Networks (101017109)
- Related identifiers:
- Published in
- Communities:
- License (for files):
- Creative Commons Attribution 4.0 International