Orthogonal time‐frequency space (OTFS) modulation, which has recently been proposed in
the literature, is one of the promising techniques designed in the 2D Delay‐Doppler domain …

We propose a low-complexity channel estimation method for Orthogonal Time Frequency
Space (OTFS) modulation based systems. Two important aspects of OTFS modulation …

Orthogonal time frequency space (OTFS) modulation is a new modulation scheme that
operates in the delay-Doppler (DD) domain. In this paper, we consider the problem of delay …

Orthogonal-time-frequency-space (OTFS) has been developed as a promising modulation
scheme for high Doppler channels. In OTFS systems, channel estimation (CE) plays a key …

The recently developed orthogonal time frequency space (OTFS) modulation has shown its
capability of coping with the fast time-varying channels in high-mobility environments. In …

Orthogonal time frequency space (OTFS) is a new emerging modulation scheme that
performs better than orthogonal frequency division multiplexing (OFDM) in high mobility …

Orthogonal time frequency space (OTFS) modulation has superior performance than
traditional orthogonal frequency division multiplexing (OFDM) in fast time-varying scenarios …

Orthogonal time frequency space (OTFS) modulation is a delay-Doppler (DD) domain
modulation scheme that can adapt to the fast time-varying channels. Since OTFS is a two …

In this letter, we develop a low complexity fast greedy sparse recovery algorithm known as
Two Choice Hard Thresholding Pursuit (TCHTP) to estimate delay-Doppler locations and …

Orthogonal time-frequency space (OTFS) is a waveform technology designed in recent
years, which can be applied to wireless communication scenarios with high Doppler …