Membership
See the list of O-RAN
member companies
Membership info
Benefits and Principles
of O-RAN Membership
Learn about
O-RAN ALLIANCE
Technical Groups
Explore O-RAN Work
Groups and Focus Groups
Contact
Specifications
Access O-RAN specifications
White Papers and Resources
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Software
Learn about open
software for the RAN
PlugFests
Testing and Integration Support
Certification and Badging Program
Catalogue of O-RAN Certificates and Badges
Press Releases
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Statements and Announcements
Read our Statements and Announcements
White Papers
O-RAN White Papers and Resources
In the News
Mentioning O-RAN
ALLIANCE
Events
Public O-RAN events
OTICs
Open Testing and Integration Centres
Best Practices
Deployment and operations experience
Ecosystem Publications
Resource from O-RAN Ecosystem Players
Research Reports
Next generation Open RAN research
Virtual Exhibition
Virtual exhibition of O-RAN implementations
O-RAN Map
Explore O-RAN
in the World
About O-RAN ALLIANCE
O-RAN ALLIANCE has been founded in February 2018 by AT&T, China Mobile, Deutsche Telekom, NTT DOCOMO and Orange. It has been established as a German entity in August 2018.
Since then, O-RAN ALLIANCE has become a world-wide community of mobile network operators, vendors, and research & academic institutions operating in the Radio Access Network (RAN) industry.
O-RAN ALLIANCE’s mission is to re-shape the RAN industry towards more intelligent, open, virtualized and fully interoperable mobile networks.
O-RAN
specifications enable a more competitive and vibrant RAN supplier ecosystem with faster innovation to improve user experience.
O-RAN
based mobile networks improve the efficiency of RAN deployments as well as operations by the mobile operators.
O-RAN ALLIANCE operates in compliance with WTO principles for the development of international standards, guides and recommendations: transparency, openness, impartiality and consensus, effectiveness and relevance, coherence, and addressing the concerns of developing countries. Learn more in our
white paper
O-RAN Overview Presentation
Download O-RAN Keynote
The O-RAN ALLIANCE Story
Watch a short video
O-RAN Use Cases
and Deployment Scenarios
Read a white paper
O-RAN ALLIANCE
Overview Presentation
Download Overview
The O-RAN ALLIANCE Story
Watch a short video
To achieve its mission,
O-RAN
ALLIANCE
is active in 3 main streams:
Specification effort
Extending RAN standards towards openness and intelligence
Access O-RAN specifications
O-RAN Software Community
Development of open software for the RAN (in cooperation with the Linux Foundation)
O-RAN Software Community website
Testing, Integration and Certification
Supports for Members and Contributors in testing, integration and certification of their
O-RAN implementations
Testing & integration
O-RAN Technical Work Groups
The O-RAN specification work has been divided into technical Work Groups (WG), all of them under the supervision of the Technical Steering Committee. Each of the WGs covers a part of the
O-RAN
Architecture. All WGs are open to all Members and Contributors.
WG1: Use Cases and Overall Architecture Work Group
It has overall responsibility for the
O-RAN
Architecture and Use Cases.  WG 1 identifies tasks to be completed within the scope of the Architecture and Use Cases and assigns Task Group leads to drive these tasks to completion while working across other
O-RAN
Work Groups.
WG2: The Non-Real-Time RAN Intelligent
Controller and A1 Interface Work Group
The primary goal of Non-RT RIC is to support Non-Real-Time intelligent radio resource management, higher layer procedure optimization, policy optimization in RAN, and providing AI/ML models to Near-RT RIC.
WG3: The Near-Real-Time RIC
and E2 Interface Work Group
The focus of this WG is to define an architecture based on Near-Real-Time Radio Intelligent Controller (Near-RT RIC), which enables near-real-time control and optimization of RAN elements and resources via fine-grained data collection and actions over E2 interface.
WG4: The Open Fronthaul Interfaces Work Group
The objective of this WG is to deliver truly open fronthaul interfaces, in which multi-vendor DU-RRU interoperability can be realized.
WG5: The Open F1/W1/E1/X2/Xn Interface Work Group
The objective of this WG is to provide fully operable multi-vendor profile specifications (which shall be compliant with 3GPP specification) for F1/W1/E1/X2/Xn interfaces and in some cases will propose 3GPP specification enhancements.
WG6: The Cloudification and Orchestration Work Group
The cloudification and orchestration WG seeks to drive the decoupling of RAN software from the underlying hardware platforms and to produce technology and reference designs that would allow commodity hardware platforms to be leveraged for all parts of a RAN deployment including the CU and the DU.
WG7: The White-box Hardware Work Group
The promotion of open reference design hardware is a potential way to reduce the cost of 5G deployment that will benefit both the operators and vendors. The objective of this Work Group is to specify and release a complete reference design to foster a decoupled software and hardware platform.
WG8: Stack Reference Design Work Group
The aim of this WG is to develop the software architecture, design, and release plan for the
O-RAN
Central Unit (O-CU) and
O-RAN
Distributed Unit (O-DU) based on O-RAN and 3GPP specifications for the NR protocol stack.
WG9: Open X-haul Transport Work Group
This WG focuses on the transport domain, consisting of transport equipment, physical media and control/management protocols associated with the transport network.
WG10: OAM Work Group
This WG is responsible for the OAM requirements, OAM architecture and the O1 interface.
WG11: Security Work Group
This WG focuses on security aspects of the open RAN ecosystem.
O-RAN Focus Groups and Research Groups
Focus Groups deal with topics that are over-arching the technical Work Groups or are relevant for the whole organization.
SDFG: Standard Development Focus Group
SDFG plays the leading role on working out the standardization strategies of O-RAN ALLIANCE and is the main interface to other Standard Development Organizations (SDOs) that are relevant for
O-RAN
work, for which SDFG also coordinates incoming and outgoing Liaison Statements.
IEFG: Industry Engagement Focus Group
IEFG focuses on proactive industry and O-RAN Ecosystem engagement to promote and accelerate O-RAN based technology adoption, proliferation and continuous innovation.
OSFG: Open Source Focus Group
OSFG facilitates collaboration between open-source communities and the O-RAN ALLIANCE with the goal of accelerating the development of robust specifications and adoption of O-RAN in the marketplace.
TIFG: Testing and Integration Focus Group
TIFG defines O-RAN’s overall approach for testing and integration, including coordination of test specifications across various WGs. This may include creating end-to-end test & integration specifications; profiles to facilitate
O-RAN
productization, operationalization and commercialization; approaches to meet general requirements; and specifications of processes for performing integration and solution verification. The TIFG plans and coordinates the
O-RAN
ALLIANCE PlugFests and sets guidelines for the 3rd party Open Testing and Integration Centres (OTIC).
SuFG: Sustainability Focus Group
SuFG focus is to optimize energy consumption, reduce environmental impact, and create more energy-efficient and environmentally friendly mobile networks.
nGRG: next Generation Research Group
The nGRG focuses on research of open and intelligent RAN principles in 6G and future network standards.
Logo type description and guidelines
with downloadable logos
Download O-RAN brand manual