Abstract: Massive MIMO systems can significantly enhance communication quality by exploiting the direction-of-arrival (DOA) information of users. However, the high system complexity and cost pose ...

Abstract: This article presents a prototype system for the monitoring of radio frequency (RF) emissions and their localization. The system is composed of a network of RF spectrum measurement nodes and ...

While all having the same function — taking energy, storing it, then releasing it — energy storage systems come in many different types. Whether thermal, electrochemical, mechanical or an emerging ...