A Novel MIMO OTA Methodology for UE Performance Testing

This paper provides an overview of a novel MIMO OTA methodology using dynamic channel models and link adaptation being developed for CTIA's NR FR1 MIMO OTA performance test plan using dynamic channel models with link adaptation. The test setup comprises a base station emulator, fading/channel emulator, anechoic chamber, and probe antennas. Purpose of the testing is to evaluate UE antenna system and its overall adaptation to transitions and time variant radio environments. Initial end-to-end measurement results are provided that clearly demonstrate the efficacy of this test methodology.