Off-grid Channel Estimation using Grid Evolution for OTFS Systems

Y Shan, F Wang, Y Hao, J Yuan… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Orthogonal time frequency space (OTFS) as a newly proposed two-dimensional modulation
scheme outperforms the orthogonal frequency division multiplexing in high-speed …

Off-Grid Channel Estimation Using Grid Evolution in Rectangular Pulse-Shaping OTFS System

Y Shan, F Wang, Y Hao - 2023 IEEE International Conference …, 2023 - ieeexplore.ieee.org
Orthogonal time frequency space (OTFS) can prvide better error performance than
orthogonal frequency division modulation in the high-speed scenario. Recent studies focus …

Off-grid channel estimation with sparse Bayesian learning for OTFS systems

Z Wei, W Yuan, S Li, J Yuan… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This paper proposes an off-grid channel estimation scheme for orthogonal time-frequency
space (OTFS) systems adopting the sparse Bayesian learning (SBL) framework. To avoid …

A new off-grid channel estimation method with sparse Bayesian learning for OTFS systems

Z Wei, W Yuan, S Lit, J Yuant… - 2021 IEEE Global …, 2021 - ieeexplore.ieee.org
This paper proposes an off-grid channel estimation scheme for orthogonal time-frequency
space (OTFS) systems adopting the sparse Bayesian learning (SBL) framework. To avoid …

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

Q Wang, B Jia, Z Zhang, H Liu… - 2021 IEEE/CIC …, 2021 - ieeexplore.ieee.org
Fractional channel parameter is one of the main factors deteriorates the performance of
channel estimation in orthogonal time-frequency space (OTFS) system. Several works had …

Sparse Bayesian learning based off-grid estimation of OTFS channels with Doppler squint

X Wang, X Shi, J Wang - Tsinghua Science and Technology, 2024 - ieeexplore.ieee.org
Orthogonal Time Frequency Space (OTFS) modulation has exhibited significant potential to
further promote the performance of future wireless communication networks especially in …

A Novel Off-Grid Channel Estimation with Fast BCS Using LSM Prior for OTFS Modulation

M Tang, H Wang, Z Yuan, J Yuan - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Orthogonal time-frequency space (OTFS) is a two-dimensional (2D) modulation technology
for processing high mobility communication signals. The integer delay and Doppler shifts …

Sparse Bayesian Learning Approach for OTFS Channel Estimation with Fractional Doppler

Y Zhang, Q Zhang, C He, L Jing… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
This paper addresses the channel estimation problem for Orthogonal time frequency space
(OTFS) systems in the presence of fractional Doppler. Channel estimation with fractional …

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 …

Turbo-VBI Based Off-Grid Channel Estimation for OTFS Systems with 2D-Clustered Sparsity

Y Ding, M Lei, MM Zhao… - MILCOM 2023-2023 IEEE …, 2023 - ieeexplore.ieee.org
Orthogonal time-frequency space (OTFS) is a promising modulation technique for
communication scenarios with high mobility, as it is able to effectively exploit full diversity …