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Intelligent Controller Testing Speeds Open RAN Development

July 25, 2024
Keysight's test platform will define models for radio-access-network intelligent controllers and associated functions.

Recently, the University of Malaga’s MobileNet: Mobile & Aerospace Networks Lab in its Telecommunications Institute selected Keysight TechnologiesRAN Intelligent Controller Test Solution (RICtest) to create models to test RAN intelligent controllers (RICs). The platform will address both near-real-time RIC and non-real-time RIC for advanced network intelligence management.

RICs are an important method of controlling Open RAN—the near-real-time RIC handles low-latency functionalities and the non-real-time RIC targets less time-sensitive operations. 

To ensure interoperability, performance, and validation, testing RICs and their apps is essential. Using Keysight’s RICtest solution, MobileNet successfully created a platform to thoroughly test and train RIC xApps/rApps with advanced AI/ML algorithms.

The RICtest solution is flexible enough for precise evaluation and optimization of these algorithms in both open-loop and closed-loop scenarios. Keysight’s RICtest solution accurately emulates all E2 node types standardized by the O-RAN Alliance. It provides comprehensive testing of RIC functionalities at any scale supporting modeled measurements to test the AI and ML processing of xApps and rApps.

According to Sergio Fortes, Associate Professor, Telecoms+AI/ML Researcher for MobileNet/University of Málaga, “MobileNet continues to demonstrate its key position in 5G/6G and Open RAN R&D. The RICtest solution complements the extensive set of testbeds and network infrastructure of the MobileNet team (including complete end-to-end 5G, vRAN, and Open RAN networks), which are crucial for supporting cutting-edge R&D activities, always in close collaboration with the private sector.”

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About the Author

Alix Paultre | Editor-at-Large, Microwaves & RF

Alix is Editor-at-Large for Microwaves & RF

An Army veteran, Alix Paultre was a signals intelligence soldier on the East/West German border in the early ‘80s, and eventually wound up helping launch and run a publication on consumer electronics for the U.S. military stationed in Europe. Alix first began in this industry in 1998 at Electronic Products magazine, and since then has worked for a variety of publications, most recently as Editor-in-Chief of Power Systems Design.

Alix currently lives in Wiesbaden, Germany.

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