Simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs)
have been attracting significant attention in both academia and industry for their advantages …

This paper proposes a general optimization framework to improve the spectral and energy
efficiency (EE) of ultra-reliable low-latency communication (URLLC) simultaneous-transfer …

This paper investigates the performance analysis of cognitive-inspired wireless-powered
non-orthogonal multiple access (NOMA) systems, where two collaborative schemes are …

Millimeter wave (mmWave) full-duplex (FD) is a promising technique for improving capacity
by maximizing the utilization of both time and the rich mmWave frequency resources. Still, it …

The ultimate goal of next generation multiple access (NGMA) is to support massive terminals
and facilitate multiple functionalities over the limited radio resources of wireless networks in …

Device-to-device (D2D) communication offers high spectral efficiency, low energy
consumption, and transmission latency. However, one of the main limitations of D2D …

Reconfigurable intelligent surface (RIS) is envisioned as a potential technology to improve
spectrum efficiency with low energy consumption. Moreover, the spectrum reuse …

Simultaneous refracting/transmitting and reflecting reconfigurable intelligent surface (STAR-
RIS) has emerged as a potential technology for future-generation wireless networks to …

In this article, we consider a two-way communication system empowered by a
reconfigurable intelligent surface (RIS), consisting of N passive reflective elements, in the …

The joint uplink/downlink (JUD) design of simultaneously transmitting and reflecting
reconfigurable intelligent surfaces (STAR-RIS) is conceived in support of both uplink (UL) …