// UNMANNED SYSTEMS AND NEXT-GEN WARFARE TERM
Open RAN
Open RAN, or Open Radio Access Network, is an industry approach to building cellular networks that allows hardware and software components from different vendors to work together seamlessly. This creates more flexible and diverse network infrastructures compared to traditional, single-vendor systems.
TECHNICAL DEFINITION
Open RAN refers to the disaggregation of the Radio Access Network (RAN) architecture through open interfaces, enabling multi-vendor interoperability among radio units, distributed units, and centralized units, fostering innovation and supply chain diversification. Within military and defense, Open RAN enhances tactical network resilience, security, and adaptability for 5G and future communications by reducing vendor lock-in and enabling customized, flexible deployments in contested environments.
BACKGROUND
The Defense Advanced Research Projects Agency (DARPA) is a research and development agency of the United States Department of Defense responsible for the development of emerging technologies for use by the military. Originally known as the Advanced Research Projects Agency (ARPA), the agency was created on February 7, 1958, by President Dwight D. Eisenhower in response to the Soviet's launch of Sputnik 1 in 1957. By collaborating with academia, industry, and government partners, DARPA formulates and executes research and development projects to expand the frontiers of technology and science, often beyond immediate U.S. military requirements. The name of the organization first changed from its founding name, ARPA, to DARPA, in March 1972, changing back to ARPA in February 1993, then reverted back to DARPA in March 1996.
READ MORE ON WIKIPEDIASYNONYMS & ALIASES
- Open Radio Access Network
- O-RAN
- Disaggregated RAN
- Open Interfaces RAN
- Multi-vendor RAN
USAGE NOTE
In military contexts, Open RAN is critical for developing agile, secure, and customizable tactical communication systems, offering enhanced supply chain security and reducing reliance on proprietary solutions.
DEVELOPERS
Organizations developing technology related to Open RAN.
A federally funded research and development center that works closely with the U.S. Department of Defense and other government agencies to explore and integrate advanced communication technologies, including Open RAN concepts, for secure and resilient military networks.
Funds and oversees research into cutting-edge technologies for national security, including programs focused on resilient and secure 5G and future wireless communication architectures that leverage open, disaggregated RAN principles for military applications.
A global aerospace and defense company actively investigating and developing private 5G networks and Open RAN solutions to enhance secure communications, battlefield connectivity, and advanced networking capabilities for military platforms and operations.
A major defense contractor developing advanced communication systems for military use. RTX explores Open RAN architectures to build more flexible, secure, and interoperable 5G-enabled networks for defense, focusing on resilient connectivity in complex environments.
A prominent defense contractor focused on tactical communications, electronic warfare, and integrated mission systems. L3Harris is developing next-generation wireless solutions that can benefit from Open RAN principles for adaptable, secure, and interoperable military radio access networks.
A global aerospace and defense technology company that develops and integrates advanced networking and communication systems for military and intelligence applications. They are exploring open architectures, including Open RAN, to build more adaptable and secure 5G-enabled defense networks.
While a commercial vendor, Nokia has a dedicated unit providing secure private 5G and Open RAN solutions for critical communications, including defense and public safety, enabling secure and flexible wireless networks tailored for military operational requirements.
As a leading telecommunications provider and Open RAN contributor, Ericsson offers secure private 5G network solutions and services to defense organizations and governments globally, leveraging open principles for resilient and agile military communication infrastructure.