Due to the possibility of blockage during communication, the communication quality may be
poor. Therefore, Reconfigurable Intelligent Surface (RIS) technology can effectively solve …

Reconfigurable intelligent surface (RIS) provides a promising way to build the
programmable wireless transmission environments in the future. Owing to the large number …

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) technology is a promising solution to improve the
performance of existing wireless communications. To achieve its cost-effectiveness …

Beyond diagonal reconfigurable intelligent surface (BD-RIS) is a new advance and
generalization of the RIS technique. BD-RIS breaks through the isolation between RIS …

Reconfigurable intelligent surface (RIS) can effectively control the wavefront of the impinging
signals and has emerged as a cost-effective promising solution to improve the spectrum and …

Reconfigurable intelligent surfaces (RIS) is a promising solution to build a programmable
wireless environment via steering the incident signal in fully customizable ways with …

The reconfigurable intelligent surface (RIS) has arose an upsurging research interest
recently due to its promising outlook in 5G-and-beyond wireless networks. With the …

This paper addresses non-convex optimization problems in communication services using
reconfigurable intelligent surfaces (RISs). Specifically, we focus on optimal beamforming in …

Reconfigurable intelligent surface (RIS) technique is effective to improve the capacity and
coverage of various networks. However, the practical RIS has dissimilar responses to …