A design for a highly reconfigurable intelligent surface (RIS) that can provide 3-D passive
reflective beamforming suitable for sub-6-GHz frequency bands is proposed. The RIS is …

Reconfigurable intelligent surface (RIS)-assisted communications recently appeared as a
game-changing technology for next-generation wireless communications due to its …

Intelligent reflecting surfaces, also known as reconfigurable intelligent surfaces (RISs), have
currently received much attention for their applications in wireless communication. The n-bit …

Here, we first aim to explain practical considerations to design and implement a
reconfigurable intelligent surface (RIS) in the sub-6 GHz band and then, to demonstrate its …

As reconfigurable intelligent surface (RIS) is expected to be implemented with a large
aperture in terms of wavelengths, using a RIS to perform near-field rather than conventional …

Active reconfigurable intelligent surfaces (RISs) have recently been proposed to
complement and generalize passive RIS. In this work, the design for an active RIS based on …

This letter presents a design of an electronically reconfigurable unit cell (UC), that can be
used in the construction of intelligent reflecting and refracting surfaces (IR 2 Ss) for future 6G …

Physically accurate and mathematically tractable models are presented to characterize the
scattering and reflection properties of reconfigurable intelligent surfaces (RISs). We describe …

Reconfigurable intelligent surfaces (RISs) are regarded as one of the critical technologies
for the next generation of wireless communication. However, the bandwidth extension of RIS …

This paper presents a reconfigurable intelligent surface (RIS) to control the direction of the
reflected wave independently in each orthogonally dual-polarized incident wave for …