Rohde & Schwarz and Viavi team up for O-RAN interoperability testing

 Rohde & Schwarz (R&S) and Viavi  have got together  to offer an integrated solution for conformance testing of O-RAN Radio Units (O-RUs).

Network disaggregation brings new challenges in terms of interoperability between the network equipment of dif­ferent vendors.

Fronthaul conformance tests, defined by the O-RAN ALLIANCE, ensure that the evolving O-RUs are interoperable with the O-RAN distributed unit (O-DU).

The joint test solution already supported benchmarking and validation tests at multiple locations during PlugFests and will now be showcased at MWC Barcelona 2022. It includes:

 The R&S SMW200A vector signal generator, R&S FSVA3000 signal and spectrum analyzer and the R&S VSE signal analysis software to emulate a real-world radio environment by generating, capturing and analysing RF signals, extended for O-RAN applications.

The TM500 O-RU Tester from VIAVI, implementing the O-RAN Distributed Unit (O-DU) side of the M-plane and C/U-plane functionality necessary to configure the interface with the O-RU and exchange of I/Q data over the Open Fronthaul.

The O-RU Test Manager application, providing a single point of control for the integrated system, simplifying testcase workflow while allowing deeper data inspection and analysis as needed.


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