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NI and Spirent Announce First Comprehensive Test Solution for OpenRAN O-RU Customers

By: via Business Wire

Industry-leading Technology Enables Customers to Increase Test Speed While Reducing Costs

NI (NASDAQ: NATI) and Spirent Communications today announced the first and only O-RU (Radio Unit) test solution that uses application layer testing with any commercial device, providing comprehensive, real-time O-RU validation. This unique capability enables customers to validate their systems faster and in a real-world environment while reducing costs - all in one highly capable validation solution.

This press release features multimedia. View the full release here:

NI and Spirent Announce First Comprehensive Test Solution for OpenRAN O-RU Customers (Graphic: Business Wire)

NI and Spirent Announce First Comprehensive Test Solution for OpenRAN O-RU Customers (Graphic: Business Wire)

Traditional testing of O-RAN systems has been very time-intensive and cost-prohibitive due to its need for engineers to manually test their systems from beginning to end. Built on common technologies, the Spirent/NI joint solution combines Spirent’s software and emulation environment, including pre-built test cases, with NI’s high-performance instrumentation, providing a robust and integrated O-RU validation solution that improves time to market with full automation through a single, intuitive GUI while also minimizing instrument cost and footprint.

“Spirent and NI have a long history of providing joint solutions that enable our customers to accelerate the production of their products,” said Chen Chang, Senior Director, Strategic Business Development, NI. “Combining Spirent’s best-in-class methodology with NI’s versatile and powerful product lineup is a critical step in standardizing and accelerating O-RAN ORU development.”

“Major chipset developers, equipment manufacturers, and carriers around the world are already benefitting from NI and Spirent working together to provide innovative solutions,” said James Kimery, Vice President of Product Management, Lifecycle Service Assurance, Spirent. “This latest solution for the Open RAN space demonstrates how our continued collaboration is addressing critical testing gaps created by disaggregating the RAN that will expand the market by unambiguously validating true multivendor interoperability.”

The solution wraps the O-RU with a real-time O-DU emulator through a fully compliant O-RAN 7.2 interface, a CU emulator, a core network emulator, and a commercial UE emulator for real-world Interoperability Testing (IOT) to deliver a testbed capable of running real-world test scenarios in the lab. Customers can also use a commercial device in place of the UE emulator to validate all timing, full throughput including 4x4 MIMO, and any system-level test that an O-RU would experience in a real-world deployment scenario to test true performance and interoperability at a functional level rather than at the interface. On the production side, NI also has an O-RAN O-RU APT test system which uses the same O-DU emulation and combines this with NI’s PXIe-5841 VST for parametric measurements for best-in-class efficiency with unmatched measurement accuracy.

This test system is highly configurable, real-time, and ORAN FH compliant. It enables customers to configure the O-DU to emulate various timing profiles, test corner cases, and validate the system performance under real-time conditions. In addition, having the same test systems used in validation facilitates a streamlined O-RU development process that connects validation to production and drastically reduces test time, cost, and development effort.

About Spirent

Spirent Communications plc. (LSE: SPT) is the leading global provider of automated test and assurance solutions for networks, cybersecurity, and positioning. The company provides innovative products, services and managed solutions that address the test, assurance, and automation challenges of a new generation of technologies, including 5G, SD-WAN, cloud, autonomous vehicles and beyond. From the lab to the real world, Spirent helps companies deliver on their promise to their customers of a new generation of connected devices and technologies. For more information, please visit and follow us on LinkedIn, Twitter and Facebook.

About NI:

At NI, we bring together the people, ideas and technology so forward thinkers and creative problem solvers can take on humanity’s biggest challenges. From data and automation to research and validation, we provide the tailored, software-connected systems engineers and enterprises need to Engineer Ambitiously™ every day.

National Instruments, NI,, LabVIEW and Engineer Ambitiously are trademarks of National Instruments Corporation. Other product and company names listed are trademarks or trade names of their respective companies.


NI Corporate Media Relations


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