In the past as well as present wireless communication systems, the wireless propagation
environment is regarded as an uncontrollable black box that impairs the received signal …

Optimally extracting the advantages available from reconfigurable intelligent surfaces (RISs)
in wireless communications systems requires estimation of the channels to and from the RIS …

The affordable hardware cost of ultra-large (XL) reconfigurable intelligent surfaces (RIS)
renders them attractive solutions for the performance enhancement of localization and …

Reconfigurable intelligent surface (RIS)-assisted millimeter-wave (mmWave) communication
systems relying on hybrid beamforming structures are capable of achieving high spectral …

Extremely large-scale reconfigurable intelligent surface (XL-RIS) has recently been
proposed and is recognized as a promising technology that can further enhance the …

Due to their ability to create favorable line-of-sight (LoS) propagation environments,
intelligent reflecting surfaces (IRSs) are regarded as promising enablers for future millimeter …

Millimeter-wave (mm-wave) and sub-terahertz (sub-THz) communications are expected to
be one of the biggest beneficiaries of the emerging reconfigurable intelligent surface (RIS) …

This paper considers an active reconfigurable intelligent surface (RIS)-aided integrated
sensing and communication (ISAC) system. We aim to maximize radar signal-to-interference …

An introduction of intelligent interconnectivity for people and things has posed higher
demands and more challenges for sixth-generation (6G) networks, such as high spectral …

This letter investigates the challenge of channel estimation in a multiuser millimeter-wave
(mmWave) time-division duplexing (TDD) system. In this system, the base station (BS) uses …