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 …

An adaptive and robust deep learning framework for THz ultra-massive MIMO channel estimation

W Yu, Y Shen, H He, X Yu, S Song… - IEEE Journal of …, 2023 - ieeexplore.ieee.org
Terahertz ultra-massive MIMO (THz UM-MIMO) is envisioned as one of the key enablers of
6G wireless networks, for which channel estimation is highly challenging. Traditional …

Hybrid knowledge-data driven channel semantic acquisition and beamforming for cell-free massive MIMO

Z Gao, S Liu, Y Su, Z Li, D Zheng - IEEE Journal of Selected …, 2023 - ieeexplore.ieee.org
This article focuses on advancing outdoor wireless systems to better support ubiquitous
extended reality (XR) applications, and close the gap with current indoor wireless …

Reconfigurable intelligent surface aided high-mobility millimeter wave communications with dynamic dual-structured sparsity

Y Chen, Y Wang, Z Wang - IEEE Transactions on Wireless …, 2022 - ieeexplore.ieee.org
Although reconfigurable intelligent surface (RIS) has been touted as a technology star for
future wireless networks, the critical bottleneck still lies in the accurate acquisition of channel …

Bayesian channel estimation in multi-user massive MIMO with extremely large antenna array

Y Zhu, H Guo, VKN Lau - IEEE Transactions on Signal …, 2021 - ieeexplore.ieee.org
We investigate wideband uplink channel estimation for a multi-user (MU) multiple-input
single-output (MISO) OFDM system, in which the base station (BS) is equipped with an …

Joint pilot optimization, target detection and channel estimation for integrated sensing and communication systems

Z Huang, K Wang, A Liu, Y Cai, R Du… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Radar sensing will be integrated into the 6G communication system to support various
applications. In this integrated sensing and communication system, a radar target may also …

Robust deep learning for uplink channel estimation in cellular network under inter-cell interference

H Guo, VKN Lau - IEEE Journal on Selected Areas in …, 2023 - ieeexplore.ieee.org
Deep learning (DL)-based channel estimation has achieved remarkable success. However,
most existing works focus on the white Gaussian noise which are inapplicable for cell-edge …

Channel estimation for massive MIMO: An information geometry approach

J Yang, AA Lu, Y Chen, X Gao, XG Xia… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this paper, we investigate the channel estimation for massive multi-input multi-output
orthogonal frequency division multiplexing (MIMO-OFDM) systems. Using the sampled …

Two-timescale end-to-end learning for channel acquisition and hybrid precoding

Q Hu, Y Cai, K Kang, G Yu, J Hoydis… - IEEE Journal on …, 2021 - ieeexplore.ieee.org
In this paper, we propose an end-to-end deep learning-based joint transceiver design
algorithm for millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) …

Mixed-timescale deep-unfolding for joint channel estimation and hybrid beamforming

K Kang, Q Hu, Y Cai, G Yu, J Hoydis… - IEEE Journal on …, 2022 - ieeexplore.ieee.org
In massive multiple-input multiple-output (MIMO) systems, hybrid analog-digital
beamforming is an essential technique for exploiting the potential array gain without using a …