What is the difference between Open RAN and O-RAN?

What is the difference between Open RAN and O-RAN?
I.e. ORAN and O-RAN… Same or different?

Open RAN
The movement to disaggregate the RAN SW and HW and create open interfaces between them.

OpenRAN
Telecom Infra Project (TIP)'s OpenRAN Group or OpenRAN 5G NR

O-RAN
Open RAN Alliance

ORAN
When referring to Open RAN Alliance or “Open RAN”, e.g. on social media #ORAN

Oran
A city in Algeria! :wink:

No difference. Disaggregation of Hardware and Software with open interfaces.

These bodies are doing different things.

  • TIP OpenRAN Project Group - aims to promote and accelerate commercial deployment.

  • O-RAN alliance - aims to build standard open interface where 3GPP do not specify.

  • Open RAN Policy Coalition - aims to promote policies that will advance the adoption of open and interoperable solutions in the RAN.

Hello @techieambitious, please take a look here:

Open RAN and O-RAN are closely related but not exactly the same. Open RAN is a broad concept that focuses on making the Radio Access Network more open, flexible, and vendor-neutral by allowing equipment from different vendors to work together instead of relying on a single supplier. On the other hand, O-RAN specifically refers to the standards and architecture. It defines key interfaces, introduces components like the RAN Intelligent Controller (RIC), and enables AI/ML-driven network optimization. In simple terms, Open RAN is the idea or vision, while O-RAN is the structured framework used to implement that idea in real telecom networks.