Demystifying 5G – 5G NR PTRS and how to emulate phase noise

Why does 5G NR require phase tracking reference signals (PTRS)?

The video explains the concept of PTRS and how they are used to compensate for the typical phase error (CPE) - caused by the impact of phase noise at higher frequencies (mmWave, FR2). It also demonstrates phase noise emulation using the R&S SMW200A vector signal generator and how this function can be used to test correction algorithms to compensate for CPE in a receiver such as a mobile handset.

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