Embedded pilot-aided channel estimation for OTFS in delay–Doppler channels

P Raviteja, KT Phan, Y Hong - IEEE transactions on vehicular …, 2019 - ieeexplore.ieee.org
Orthogonal time frequency space (OTFS) modulation was shown to provide significant error
performance advantages over orthogonal frequency division multiplexing (OFDM) in delay …

Orthogonal time frequency space modulation

R Hadani, S Rakib, M Tsatsanis, A Monk… - 2017 IEEE wireless …, 2017 - ieeexplore.ieee.org
A new two-dimensional modulation technique called Orthogonal Time Frequency Space
(OTFS) modulation designed in the delay-Doppler domain is introduced. Through this …

Practical pulse-sha** waveforms for reduced-cyclic-prefix OTFS

P Raviteja, Y Hong, E Viterbo… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
In this paper, we model M× N orthogonal time frequency space modulation (OTFS) over a P-
path doubly dispersive channel with delays less than τ max and Doppler shifts in the range …

Low-complexity linear equalization for OTFS modulation

GD Surabhi, A Chockalingam - IEEE communications letters, 2019 - ieeexplore.ieee.org
In this letter, we propose low-complexity linear equalizers for orthogonal time frequency
space (OTFS) modulation that exploit the structure of the effective channel matrix in OTFS …

Orthogonal delay-Doppler division multiplexing modulation

H Lin, J Yuan - IEEE Transactions on Wireless …, 2022 - ieeexplore.ieee.org
Inspired by the orthogonal time frequency space (OTFS) modulation, in this paper, we
consider designing a multicarrier (MC) modulation on delay-Doppler (DD) plane, to couple …

Iterative detection for orthogonal time frequency space modulation with unitary approximate message passing

Z Yuan, F Liu, W Yuan, Q Guo… - IEEE transactions on …, 2021 - ieeexplore.ieee.org
The orthogonal-time-frequency-space (OTFS) modulation has emerged as a promising
modulation scheme for high mobility wireless communications. To harvest the time and …

OTFS performance on static multipath channels

P Raviteja, E Viterbo, Y Hong - IEEE Wireless Communications …, 2019 - ieeexplore.ieee.org
Orthogonal time frequency space (OTFS) modulation is known to achieve excellent error
performance in delay-Doppler channels. However, its performance over static multipath …

Message passing-based structured sparse signal recovery for estimation of OTFS channels with fractional Doppler shifts

F Liu, Z Yuan, Q Guo, Z Wang… - IEEE transactions on …, 2021 - ieeexplore.ieee.org
The orthogonal time frequency space (OTFS) modulation has emerged as a promising
modulation scheme for high mobility wireless communications. To enable efficient OTFS …

Orthogonal time sequency multiplexing modulation: Analysis and low-complexity receiver design

T Thaj, E Viterbo, Y Hong - IEEE Transactions on Wireless …, 2021 - ieeexplore.ieee.org
This paper proposes orthogonal time sequency multiplexing (OTSM), a novel single carrier
modulation scheme that places information symbols in the delay-sequency domain followed …

Two-dimensional convolutional neural network-based signal detection for OTFS systems

YK Enku, B Bai, F Wan, CU Guyo… - IEEE wireless …, 2021 - ieeexplore.ieee.org
Orthogonal time frequency space (OTFS) modulation is a newly proposed modulation
technique for providing a solution to high mobility doubly dispersive channel problems. In …