Reconfigurable intelligent surfaces (RIS) constitute a promising technology for future
wireless communications in terms of improving the spectral-efficiency and energy-efficiency …

Beyond diagonal reconfigurable intelligent surface (BD-RIS) is a novel branch of RIS which
breaks through the limitation of conventional RIS with diagonal scattering matrices …

Reconfigurable intelligent surfaces (RISs) allow controlling the propagation environment in
wireless networks through reconfigurable elements. Recently, beyond diagonal RISs (BD …

Reconfigurable intelligent surface (RIS) has been envisioned as a promising technique to
enable and enhance future wireless communications due to its potential to engineer the …

Reconfigurable intelligent surface (RIS) is an emerging technology to improve the spectral
efficiency of wireless communication systems. However, the increase of RIS elements …

Reconfigurable intelligent surface (RIS) is capable of improving the wireless system
performance by steering the reflected signal in the desired direction. One of the major …

Reconfigurable intelligent surfaces (RISs) allow controlling the propagation environment in
wireless networks by tuning multiple reflecting elements. RISs have been traditionally …

Reconfigurable intelligent surface (RIS) is promising for future 6G wireless communications.
However, the increased number of RIS elements results in the high overhead for channel …

Large-scale antenna arrays employed by the base station (BS) constitute an essential next-
generation communications technique. However, due to the constraints of size, cost, and …

Reconfigurable intelligent surfaces (RIS) have been actively researched as a potential
technique for future wireless communications, which intelligently ameliorate the signal …