Downlink CSI feedback algorithm with deep transfer learning for FDD massive MIMO systems

J Zeng, J Sun, G Gui, B Adebisi… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
In this paper, a channel state information (CSI) feedback method is proposed based on deep
transfer learning (DTL). The proposed method addresses the problem of high training cost of …

Compressive sampled CSI feedback method based on deep learning for FDD massive MIMO systems

J Wang, G Gui, T Ohtsuki, B Adebisi… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Accurate downlink channel state information (CSI) is required to be fed back to the base
station (BS) in frequency division duplexing (FDD) massive multiple-input multiple-output …

Deep learning-based implicit CSI feedback in massive MIMO

M Chen, J Guo, CK Wen, S Jin, GY Li… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Massive multiple-input multiple-output can obtain more performance gain by exploiting the
downlink channel state information (CSI) at the base station (BS). Therefore, studying CSI …

Fully convolutional neural network-based CSI limited feedback for FDD massive MIMO systems

G Fan, J Sun, G Gui, H Gacanin… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Due to the lack of channel reciprocity in frequency division duplexity (FDD) massive multiple-
input multiple-output (MIMO) systems, it is impossible to infer the downlink channel state …

Lightweight convolutional neural networks for CSI feedback in massive MIMO

Z Cao, WT Shih, J Guo, CK Wen… - IEEE Communications …, 2021 - ieeexplore.ieee.org
In frequency division duplex mode of massive multiple-input multiple-output systems, the
downlink channel state information (CSI) must be sent to the base station (BS) through a …

A learnable optimization and regularization approach to massive MIMO CSI feedback

Z Hu, G Liu, Q Xie, J Xue, D Meng… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Channel state information (CSI) plays a critical role in achieving the potential benefits of
massive multiple input multiple output (MIMO) systems. In frequency division duplex (FDD) …

CSI feedback based on deep learning for massive MIMO systems

Y Liao, H Yao, Y Hua, C Li - IEEE Access, 2019 - ieeexplore.ieee.org
Aiming at the problem of high complexity and low feedback accuracy of existing channel
state information (CSI) feedback algorithms for frequency-division duplexing (FDD) massive …

SALDR: Joint self-attention learning and dense refine for massive MIMO CSI feedback with multiple compression ratio

X Song, J Wang, J Wang, G Gui… - IEEE Wireless …, 2021 - ieeexplore.ieee.org
The advantages of massive multiple-input multiple-output (MIMO) techniques depend
heavily on the accuracy of channel state information (CSI). In frequency division duplexing …

Deep autoencoder based CSI feedback with feedback errors and feedback delay in FDD massive MIMO systems

Y Jang, G Kong, M Jung, S Choi… - IEEE Wireless …, 2019 - ieeexplore.ieee.org
In this letter, we study the channel state information (CSI) feedback based on the deep
autoencoder (AE) considering the feedback errors and feedback delay in the frequency …

Exploiting bi-directional channel reciprocity in deep learning for low rate massive MIMO CSI feedback

Z Liu, L Zhang, Z Ding - IEEE Wireless Communications Letters, 2019 - ieeexplore.ieee.org
Channel state information (CSI) feedback is important for multiple-input multiple-output
(MIMO) wireless systems to achieve their capacity gain in frequency division duplex mode …