Rohde & Schwarz, the VIAVI team on the 5G NR test

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T&M specialists Rohde & Schwarz and Viavi Solutions have checked their respective test equipment for User Equipment Emulation (EU) to test 5G New Radio (NR) chips and systems.

5G NR uses a combination of various complex features, functions and algorithms, making it vital for EU manufacturers to thoroughly test 5G mobile devices before they are released to market. Thorough validation of the standardized coexistence methodology is the key to the success of 5G technology.

Over the past year, the two companies have cooperated to accelerate the integration of a variety of essential 5G NR features. The cooperation ranges from RF performance testing to protocol stack verification and maximum IP data rate testing to support Rohde & Schwarz and Viavi customers such as chipset and device manufacturers, operators and test houses as well as network infrastructure customers.

The two are working together to implement new 3GPP 5G NR features at the same time and understand the integration challenges involved. When developing a new feature, virtual testing is an option, but ultimately a UE device is required to verify the newly developed feature. Using the R&S CMX500 as a network infrastructure emulator alongside the TM500 UE emulator is a versatile alternative to a real device. This enables both companies to achieve their goals by providing customers with stable, mature and broader 5G 3GPP functionality coverage at an accelerated rate.

The test instruments allow testing of complex 5G signaling functionality for NSA mode or SA mode in FR1. This includes features like DSS (dynamic spectrum sharing), advanced LTE and 5G NR carrier aggregation combinations, live testing (OTA), but also high bandwidth testing verification in the FR2 spectrum. .

“Time to market is the number one priority for our customers and the benefit of this cooperation is that we can accelerate our technical development to launch new 3GPP features at a much earlier stage. It helps our clients achieve their goal. One of the catalysts for this cooperation is the


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