B.3 EUT positioning
38.1513GPPNRRelease 17TSUser Equipment (UE) Multiple Input Multiple Output (MIMO) Over-the-Air (OTA) performance requirements
This Clause defines the measurement coordinate system for the NR MIMO OTA.
For FR2 MIMO OTA, the DUT shall be tested using a 3D scan. With the DUT positioned in the default P0 alignment option, as defined in Annex A.3 in [2], measurements on 36 evenly spaced test points with a constant density shall be performed.
Annex C (normative):
<FR1 Channel models and Validation procedure>