A fair beam allocation framework through reconfigurable intelligent surfaces (RISs) is
proposed, incorporating the Max-min criterion. This framework focuses on designing explicit …

This paper addresses the hardware structure of Reconfigurable Intelligent Surfaces (RIS)
and presents a comprehensive overview of RIS design, considering both unit design and …

ABSTRACT A digital coding metasurface is a platform connecting the digital space and
electromagnetic wave space, and has therefore gained much attention due to its intriguing …

Optical intelligent reflecting surface (OIRS) has attracted increasing attention due to its
capability of overcoming signal blockages in visible light communication (VLC), an emerging …

Realizing the wireless environmental sensing is another desired function of reconfigurable
intelligent surface (RIS), in addition to enhancing the performance of wireless …

This paper studies the beamforming optimization challenge in reconfigurable intelligent
surface (RIS)-aided multiple-input single-output (MISO) systems, where the RIS phase …

This paper investigates the capabilities and effectiveness of backward sensing centered on
reconfigurable intelligent surfaces (RISs). We demonstrate that the direction of arrival (DoA) …

The reconfigurable intelligent surface (RIS) has garnered considerable attention due to its
substantial potential in reconfiguring the electromagnetic environment. In RIS-aided …

Reconfigurable intelligent surfaces (RIS) are programmable metasurfaces utilizing sub-
wavelength meta-atoms and a controller for precise electromagnetic wave manipulation …

Reconfigurable Intelligent Surface (RIS) is envisioned to be an enabling technique in 6G
wireless communications. By configuring the reflection beamforming codebook, RIS focuses …