5G MIMO OTA Testing on Frequency Range 2 (FR2)

摘要

5G MIMO OTA (Multiple Input Multiple Output Over the Air) testing challenges and 28 GHz solution are presented. The paper highlights the reasons a new approach in MIMO OTA testing is needed. This work describes 5G channel modelling based on four selected channel models, shows that 75 cm range length is sufficient to support a standard handheld device, and 3 probes per channel model are needed to sufficiently emulate the desired Figure of merit in a FR2 MIMO OTA setup.