A review on orthogonal time–frequency space modulation: State-of-art, hotspots and challenges

M Li, W Liu, J Lei - Computer Networks, 2023 - Elsevier
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 …

New delay Doppler communication paradigm in 6G era: A survey of orthogonal time frequency space (OTFS)

W Yuan, S Li, Z Wei, Y Cui, J Jiang… - China …, 2023 - ieeexplore.ieee.org
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 …

Joint channel estimation and data detection for hybrid RIS aided millimeter wave OTFS systems

M Li, S Zhang, Y Ge, F Gao… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
For high mobility communication scenario, the recently emerged orthogonal time frequency
space (OTFS) modulation introduces a new delay-Doppler domain signal space, and can …

Cross domain iterative detection for orthogonal time frequency space modulation

S Li, W Yuan, Z Wei, J Yuan - IEEE transactions on wireless …, 2021 - ieeexplore.ieee.org
Recently proposed orthogonal time frequency space (OTFS) modulation has been
considered as a promising candidate for accommodating various emerging communication …

DFT-spread orthogonal time frequency space system with superimposed pilots for terahertz integrated sensing and communication

Y Wu, C Han, Z Chen - IEEE Transactions on Wireless …, 2023 - ieeexplore.ieee.org
Terahertz (THz) integrated sensing and communication (ISAC) is a promising
interdisciplinary technology that realizes simultaneously transmitting Terabit-per-second …

Joint Bayesian channel estimation and data detection for OTFS systems in LEO satellite communications

X Wang, W Shen, C **ng, J An… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Lower earth orbit (LEO) satellites play an important role in the integration of space and
terrestrial communication networks, which typically encounter high-mobility scenarios. It has …

A tutorial to orthogonal time frequency space modulation for future wireless communications

S Li, W Yuan, Z Wei, R He, B Ai, B Bai… - 2021 IEEE/CIC …, 2021 - ieeexplore.ieee.org
The recently proposed orthogonal time frequency space (OTFS) modulation has
demonstrated superior performances over the conventional orthogonal frequency-division …

2D off-grid decomposition and SBL combination for OTFS channel estimation

Q Wang, Y Liang, Z Zhang, P Fan - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Orthogonal time-frequency space (OTFS) is a promising technique for high mobility wireless
communications, as it approaches a sparse representation of doubly-selective fading …

Simultaneous localization and communications with massive MIMO-OTFS

Z Gong, F Jiang, C Li, X Shen - IEEE Journal on Selected Areas …, 2023 - ieeexplore.ieee.org
Next generation cellular network is expected to provide the simultaneous high-accuracy
localization and ultra-reliable communication services, even in high mobility scenarios. To …

Near-optimal BEM OTFS receiver with low pilot overhead for high-mobility communications

Y Liu, YL Guan, D González - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this paper, a new receiver design based on basis expansion model (BEM) orthogonal
time frequency space (OTFS) is presented for high-mobility communications with Doppler …