High-speed mobility communication is one of the challenging scenarios because of the
rapidly changing channel involved. In light of this, the orthogonal time–frequency space …

In the 6G era, Space-Air-Ground Integrated Network (SAGIN) are anticipated to deliver
global coverage, necessitating support for a diverse array of emerging applications in high …

Multiple access is the cornerstone technology for each generation of wireless cellular
networks, which fundamentally determines the method of radio resource sharing and …

This paper studies a downlink system that combines orthogonal-time-frequency-space
(OTFS) modulation and sparse code multiple access (SCMA) to support massive …

This paper investigates the orthogonal time frequency space (OTFS) transmission for
enabling ultra-reliable low-latency communications (URLLC). To guarantee excellent …

This letter is the first part of a three-part tutorial on orthogonal time frequency space (OTFS)
modulation, which is a promising candidate waveform for future wireless networks. This …

The fundamental concepts and challenges of orthogonal time frequency space (OTFS)
modulation have been reviewed in Part I of this three-part tutorial. In this second part, we …

Orthogonal time frequency space (OTFS) modulation is a recently proposed delay-Doppler
(DD) domain communication scheme, which has shown promising performance in general …

Orthogonal time frequency space (OTFS) modulation has recently emerged as a potential
6G candidate waveform which provides improved performance in high-mobility scenarios. In …

Orthogonal time frequency space (OTFS) modulation has recently been recognized as a
promising modulation scheme for high-mobility wireless communications systems. This …