Channel estimation for massive MIMO-OTFS system in asymmetrical architecture

C Chen, J Zhang, Y Han, J Lu… - IEEE Signal Processing …, 2023 - ieeexplore.ieee.org
The orthogonal time frequency space (OTFS) is poised to become a pivotal technology for
the next generation of mobile communications, due to its inherent robustness against …

Uplink-aided downlink channel estimation for a high-mobility massive mimo-otfs system

D Ying, F Ye, RQ Hu, Y Qian - GLOBECOM 2022-2022 IEEE …, 2022 - ieeexplore.ieee.org
The massive multi-input-multi-output (MIMO) system will greatly enhance the performance of
the next-generation wireless communications for many applications eg, high-mobility users …

Channel estimation for orthogonal time frequency space (OTFS) massive MIMO

W Shen, L Dai, J An, P Fan… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Orthogonal time frequency space (OTFS) modulation outperforms orthogonal frequency
division multiplexing (OFDM) in high-mobility scenarios. One challenge for OTFS massive …

Deterministic pilot design and channel estimation for downlink massive MIMO-OTFS systems in presence of the fractional Doppler

D Shi, W Wang, L You, X Song, Y Hong… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Although the combination of the orthogonal time frequency space (OTFS) modulation and
the massive multiple-input multiple-output (MIMO) technology can make communication …

Tensor-based low-complexity channel estimation for mmWave massive MIMO-OTFS systems

X Wu, S Ma, X Yang - Journal of Communications and …, 2020 - ieeexplore.ieee.org
Orthogonal time frequency space (OTFS) modulation, collaborated with millimeter-wave
(mmWave) massive multiple-input-multiple-output (MIMO), is a promising technology for next …

3D-IPRDSOMP Algorithm for Channel Estimation in Massive MIMO with OTFS Modulation

GR Wang, ZX Wang - IEEE Access, 2023 - ieeexplore.ieee.org
In this paper, we propose a channel estimation method for massive multi-input multi-output
(MIMO) with orthogonal time frequency space (OTFS) modulation. Our method aims to …

Low pilot overhead channel estimation for CP‐OFDM‐based massive MIMO OTFS system

T Li, C Han, R Yao, Y Fan, X Zuo - IET Communications, 2022 - Wiley Online Library
In high‐speed mobile scenarios, due to the high‐speed relative motion between transmitter
and receiver, the high Doppler frequency shift interferes with the inter‐subcarrier …

Sensing aided OTFS channel estimation for massive mimo systems

S Jiang, A Alkhateeb - arXiv preprint arXiv:2209.11321, 2022 - arxiv.org
Orthogonal time frequency space (OTFS) modulation has the potential to enable robust
communications in highly-mobile scenarios. Estimating the channels for OTFS systems …

Uplink-aided high mobility downlink channel estimation over massive MIMO-OTFS system

Y Liu, S Zhang, F Gao, J Ma… - IEEE Journal on Selected …, 2020 - ieeexplore.ieee.org
Although it is often used in the orthogonal frequency division multiplexing (OFDM) systems,
application of massive multiple-input multiple-output (MIMO) over the orthogonal time …

Channel estimation for massive MIMO-OFDM systems by tracking the joint angle-delay subspace

Y Zhang, D Wang, J Wang, X You - IEEE Access, 2016 - ieeexplore.ieee.org
In this paper, we propose joint angle-delay subspace based-channel estimation in single
cell for broadband massive multiple-input and multiple-output systems employing …