Abstract: In this paper, we study covert communication in a multi-antenna two-way relay system, where two source nodes exchange their messages through a relay. Then, the relay tries to disseminate ...

Abstract: The growing prominence of eXtended Reality (XR), holographic-type communications, and metaverse demands truly immersive user experiences by using many sensory modalities, including sight, ...

Collage by Becky Lee for Edutopia, adamkaz, Milan Markovic / iStock A few years ago, our administrative team sent home what we thought was a clear message about a schedule change and an upcoming ...