In this article, we study the uplink transmission scheme and channel estimation design for
reconfigurable intelligent surfaces (RIS)-aided orthogonal time–frequency space (OTFS) …

Orthogonal time frequency space (OTFS) modulation is an emerging technique for next-
generation communication due to its robustness to the doubly dispersive channels under …

Sixth-generation (6G) communication is emerging as a seamless and massive connection of
almost all digital devices. Vehicles, which are extensively linked with human mobility, must …

Orthogonal time frequency space (OTFS) modulation is a promising technique for the next-
generation communications in high-mobility scenarios. However, in the delay-Doppler (DD) …

In this paper, we investigate integrated sensing and communication (ISAC) in high-mobility
systems with the aid of an intelligent reflecting surface (IRS). To exploit the benefits of Delay …

Symbiotic radio (SR) offers potential benefits for large-scale Internet of Things networks
through its spectrum and resource-sharing capabilities between primary and secondary …

Orthogonal time frequency space (OTFS) modulation is a booming multicarrier modulation
technique and a promising candidate for achieving quality of services in high mobility …

In terahertz (THz) communication, the integration of reconfigurable intelligent surface (RIS),
cooperative non-orthogonal multiple access (CNOMA), and multiple-input multiple-output …

This paper presents a channel estimation method for an intelligent reflecting surface (IRS)‐
aided orthogonal time‐frequency spacing (OTFS) system in a dynamic scenario. Current …

In this paper, we consider an intelligent reflecting surface (IRS)-aided orthogonal time
frequency space (OTFS)-based uplink sparse code multiple access (SCMA) …