Transforming Radio Access Networks Towards Open, Intelligent, Virtualized and Fully Interoperable RAN



Open interfaces and functionsInteroperable RAN ecosystemFaster innovationRunning on white box HW
and supporting virtualization
Leveraging Open Source SW

O-RAN ALLIANCE is committed to evolving Radio Access Networks with its core principles being intelligence and openness. It aims to drive the mobile industry towards an ecosystem of innovative, multi-vendor, interoperable, and autonomous RAN, with reduced cost, improved performance and greater agility.



Radio Intelligent Controllers
featuring Artificial Intelligence
and Machine Learning
AI/ML based Service Management
and Orchestration
Automated RAN deployments
and operations to drive efficiency

Empowered by principles of intelligence and openness, the O-RAN Architecture is the foundation for building a virtualized RAN on open hardware and cloud, with embedded AI-powered radio  control.


What We Do



O-RAN specifications and open software are enabling a broad industry ecosystem. Companies of different sizes and specializations can use them to create their innovative and competitive open solutions.

Defining the complex O-RAN Architecture is a step-by-step process resulting in hundreds of technical documents.

Access O-RAN specifications


O-RAN specifications serve as a basis for open software reference design.

The O-RAN Software Community hosts developers brought in by many O-RAN players, cooperating on tens of software projects.

Get O-RAN softwareContribute to O-RAN software

Testing & Integration

O-RAN ALLIANCE supports the ecosystem in testing and integration. O-RAN global PlugFests allow companies to demonstrate component functionality as well as multi-vendor interoperability.

View PlugFest Virtual Showcase

Moreover, the Open Testing and Integration Centres (OTIC) become available around the world, offering a collaborative and impartial testing environment.

Learn more about OTIC

O-RAN has been widely adopted by the industry

Mobile network operator commitment


Andre Fuetsch

Chairman of the O-RAN ALLIANCE

and Chief Technology Officer, AT&T

"The adoption of the O-RAN ALLIANCE by the industry is an
inspiring example of how operators and suppliers around the world can sit down together to design and release technical standards that work for everyone. As the 5G era takes off, the O-RAN ALLIANCE stands poised to enable the network experiences that all of our customers expect."

Alex Jinsung Choi

Chief Operating Officer of the O-RAN ALLIANCE

and SVP Strategy & Technology Innovation, Deutsche Telekom

"The O-RAN ALLIANCE has rapidly grown from the five founding mobile operators to a broad community of operators and contributors comprising industry leading large vendors, small & medium companies, start-ups and academic institutions. We are proud to welcome such a diversity of members in our joint effort to lead the industry towards next generation open and smart RAN."

O-RAN companies in total


Aligned with the Industry

The O-RAN Architecture and specifications  build on common standards and care about alignment
with other industry bodies to ensure compatibility and to avoid duplication of work.

Regular collaboration allowing O-RAN to build on 3GPP RAN standards. Mutual collaboration on the Standards Collaboration Copyright License .
In preparation: MoU on cooperation in areas of:

- Open RAN access issues
- ATIS adopting O-RAN specifications
ETSI-MSG adopting O-RAN specifications
through the PAS process

ETSI-ZSM for cooperation on automation
and orchestration

ETSI-NFV for cooperation virtualized
environment topics

Aligned with the Industry

The O-RAN Architecture and specifications  build on common standards and care about alignment
with other industry bodies to ensure compatibility and to avoid duplication of work.

O-RAN Demonstrations


O-RAN Virtual Exhibition shows demonstrations of O-RAN technology developed by companies based on the O-RAN specifications.