Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS)
assisted non-orthogonal multiple access (NOMA) communication systems are investigated …

Reconfigurable intelligent surface (RIS) has been proven to be a promising technology for
improving the performance of future wireless systems. However, since conventional RIS can …

Challenging environments comprise a range of scenarios, which share the fact that it is
extremely difficult to establish a communication link using conventional technology due to …

Indexed modulation (IM) is an evolving technique that has become popular due to its ability
of parallel data communication over distinct combinations of transmission entities. In this …

In this paper, we consider deploying an intelligent reflecting surface (IRS) to enhance the
downlink (DL) energy transfer and uplink (UL) information transmission efficiency for secure …

Channel reciprocity, assumed in fifth-generation (5G) systems such as massive multiple-
input-multiple-output (mMIMO), appears to be questioned in practice by recent studies on …

Active reconfigurable intelligent surfaces (RISs) are a novel and promising technology that
allows controlling the radio propagation environment while compensating for the product …

In current wireless communication systems, sophisticated attack strategies at the physical
layer—the electromagnetic wave signals carrying the information—leave traces in the …

Reconfigurable intelligent surface (RIS)-assisted millimeter wave (mmWave) communication
is a promising technology for enlarging the coverage area of millimeter wave systems …

This letter investigates the joint user scheduling and phase shift design for reconfigurable
intelligent surface (RIS) assisted multi-cell downlink systems. A closed-form ergodic sum …