Radar-based near-field 3-D imaging technology has recently attracted increasing attention in the field of security systems. This article presents a novel multiple-input–multiple-output (MIMO) ...

This paper presents a preliminary near-field evaluation of a radiated-two-stage (RTS)-based mm-wave 5G new-radio (NR) MIMO OTA test system. The aim is to verify whether the RTS method is applicable in ...