How to Verify 5G O-RAN Chipsets Before Tape-Out

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Correlate O-RAN Protocol And Radio Behavior

O-RAN Radio Unit (O-RU) chipset teams must validate an open fronthaul design across protocol and radio domains before physical silicon is available. Disaggregated architectures create a demanding mix of LTE and 5G scenarios, O-RAN control-, user-, and synchronization-plane traffic, uplink and downlink behavior, and digital in-phase/quadrature (IQ) data that must remain consistent through the design.

The verification environment must emulate the O-RAN Distributed Unit (O-DU), create standard-compliant test vectors, drive stimulus into the emulated O-RU chipset, capture and timestamp the device response, and correlate protocol behavior with 5G New Radio (NR) signal measurements. Engineers need this cross-domain visibility to determine whether functional operation and radio performance remain aligned before tape-out.

5G O-RAN Chipset Verification Solution

Perform O-RU chipset validation by wrapping the emulated design with coordinated O-RAN stimulus, peer emulation, response capture, and radio-domain analysis. IxVerify 5G O-RAN connects the test stimulus to third-party ASIC emulation platforms and works with Open RAN Studio to emulate an O-DU, generate compliant CU-plane traffic, and accurately timestamp the design response. PathWave Signal Generation creates 5G NR test vectors, while PathWave 89600 Vector Signal Analysis performs the measurements needed to evaluate functional operation and radio performance. The combined workflow correlates O-RAN messages and baseband information with digital IQ behavior before tape-out.
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See Block Diagram of 5G O-RAN Chipset Verification Solution

Block Diagram of 5G O-RAN Chipset Verification Solution

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