Abstract: Accurate estimation of the cascaded channel from a user equipment (UE) to a base station (BS) via each reconfigurable intelligent surface (RIS) element is critical to realizing the full ...

Abstract: This paper presents a novel and insightful approach to beamforming a $2\times 2$ antenna array using the theory of characteristic modes. The array comprises four rectangular patch antenna ...

Allegheny County will use a controversial legal tool for involuntary mental health care in the community starting Jan. 1, according to a letter county officials sent Tuesday to the state’s Office of ...