Rakuten Mobile has been selected to run an Open RAN and RAN Intelligent Controller (RIC) demonstration spanning seven countries, Telecoms reported this week. The multi-nation scope sets the project apart from the single-country pilots that have dominated Open RAN interoperability trials to date.

Which seven markets will join the trial?

The Telecoms headline identifies neither the participating countries nor the operator and vendor partners involved. That omission leaves the consortium's makeup as the central open question for analysts tracking Rakuten's overseas ambitions.

Seven countries is more than the typical Open RAN pilot footprint. Most interoperability trials announced in the past two years have clustered around two or three operators, often in the same region and frequently under a single government's broadband programme.

Rakuten's seven-country sweep, if confirmed, would suggest coordination through a multilateral body such as the O-RAN Alliance's testing and integration focus group, or through a regional operator alliance.

The Japanese operator has spent the past five years building one of the few commercial Open RAN networks at national scale, deploying a virtualized 4G layer in Japan and layering 5G on top of the same cloud-native architecture. It has used that operational record to court carrier customers abroad through reference agreements and consulting work with operators in multiple regions.

What does the demonstration actually test?

A coordinated seven-country demo would give participating carriers a shared framework for comparing Open RAN economics, integration timelines and RIC orchestration. Open RAN replaces proprietary, single-vendor base-station stacks with interoperable components sourced from multiple suppliers and stitched together through open interfaces.

The architecture has drawn sustained operator interest because it promises supplier diversification, but commercial deployments have been slow. Integrating radios, servers and software from different vendors requires new orchestration layers, and the RIC is one of the most important.

Standardized under the O-RAN Alliance, the RIC sits between the radio and the core network and uses analytics and machine-learning models to steer traffic, prioritize network slices and rebalance capacity in near real time. The Alliance has worked on RIC interface standards since 2020, but the applications that ride on the controller remain largely vendor-specific.

A demonstration that exercises the RIC across borders would test whether the controller, its applications and the underlying radios can behave consistently when operators run them under different spectrum allocations, regulatory regimes and traffic profiles.

Why Rakuten, and why now?

Industry momentum behind Open RAN has accelerated since 2023 as several European operators committed to multi-vendor architectures following geopolitical concerns about single-vendor supply chains. For Rakuten, exporting the RIC playbook matters commercially. The company has framed overseas sales of its network platform software as a growth lever as Japan's domestic mobile market matures.

A multi-country reference demonstration would give prospective customers in Europe, the Americas and Asia-Pacific a working template rather than a slide deck.

The Telecoms report does not state when the seven-nation trial will launch, how long it will run, or whether it carries government or vendor funding. Watch for the first official statement from Rakuten Symphony, the operator's network platform unit, which typically publishes partner lists and trial milestones on its corporate site.