With the global commercialization of the fifth-generation (5G) network, many countries,
including China, USA, European countries, Japan, and Korea, have started exploring 6G …

The reconfigurable intelligent surface (RIS) has been recognized as an essential enabling
technology for sixth-generation (6G) mobile communication networks. An RIS comprises a …

Reconfigurable intelligent surfaces (RISs) are 2-D metasurfaces, which can intelligently
manipulate electromagnetic waves by low-cost near passive reflecting elements. RIS is …

In a backscatter communication system, the backscatter device (BD) transmits its messages
to the backscatter receiver (BR) by reflecting the incident signal from an external radio …

Reconfigurable intelligent surface (RIS) can be employed in a cell-free system to create
favorable propagation conditions from base stations (BSs) to users via configurable …

The intelligent omni-surface (IOS) is a dynamic metasurface that has recently been
proposed to achieve full-dimensional communications by realizing the dual function of …

With possible new use cases and demanding requirements of future 5th generation (5G)
and beyond cellular networks, the future of mobile communications sounds promising …

Reconfigurable intelligent surfaces (RISs) are an emerging technology aimed to enhance
the energy and spectrum efficiency of wireless communication links by reconfiguring the …

As a low-cost and low-power-consumption passive reflector, intelligent reflecting surface
(IRS) can make a significant rate improvement by building a programmable wireless …

Channel estimation is a critical task in multiple-input multiple-output (MIMO) digital
communications that substantially affects end-to-end system performance. In this work, we …