Deep learning for distributed channel feedback and multiuser precoding in FDD massive MIMO

F Sohrabi, KM Attiah, W Yu - IEEE Transactions on Wireless …, 2021 - ieeexplore.ieee.org
… as: i) we consider the multiuser case in which each user can only sense and feedback its
own channel, yet the precoding process is a function of all users’ channels; ii) we provide end-…

Deep learning for multi-user MIMO systems: Joint design of pilot, limited feedback, and precoding

J Jang, H Lee, IM Kim, I Lee - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
… which include pilot sequences, limited feedback, and precoding. To address this problem, …
the feedback information generation at users and the precoder design at a base station (BS). …

Deep Joint CSI Feedback and Multiuser Precoding for MIMO OFDM Systems

Y Guo, W Chen, J Xu, L Li, B Ai - arXiv preprint arXiv:2404.16289, 2024 - arxiv.org
… of precoding plays a crucial role in achieving a high downlink sum-rate in multiuser multiple-…
learning based joint CSI feedback and multiuser precoding method in frequency division …

Analog versus hybrid precoding for multiuser massive MIMO with quantized CSI feedback

Y Zhao, W Xu, J Xu, S Jin, K Wang… - IEEE Communications …, 2020 - ieeexplore.ieee.org
… for all SNRs analog precoding outperforms the ZF-based hybrid precoding when B2 ≤ B0
… a multiuser massive MIMO downlink channel with sub-connected architecture. Multiple users

Efficient channel feedback scheme for multi-user MIMO hybrid beamforming systems

WS Lee, HK Song - Sensors, 2021 - mdpi.com
… ways for hybrid beamforming, the feedback of precoding matrices does not allow the joint …
is multi-user MIMO (MU-MIMO) [17,18]. Wireless systems that use MU-MIMO precoding can …

Knowledge distillation-aided end-to-end learning for linear precoding in multiuser MIMO downlink systems with finite-rate feedback

K Kong, WJ Song, M Min - IEEE Transactions on Vehicular …, 2021 - ieeexplore.ieee.org
channelfeedback bits, our DNN-based precoding scheme can achieve a higher downlink
rate compared to conventional linear precoding with codebook-based limited feedback

Feedback-aware precoding for millimeter wave massive MIMO systems

R Ghanaatian, V Jamali, A Burg… - 2019 IEEE 30th Annual …, 2019 - ieeexplore.ieee.org
channels, this paper proposes a precoding strategy which enables a flexible adjustment of
the feedback … a limited feedback precoding scheme for a multi-user scenario, where the RF …

Optimal power allocation with limited feedback of channel state information in multi-user MIMO systems

KA Bonsu, W Zhou, S Pan, Y Yan - China Communications, 2020 - ieeexplore.ieee.org
… The difficulty in the considered system is that due to LF of CSI, the multi-user interference
cannot be eliminated by the precode, ie the residual interference exists among the users. …

Channel Reconstruction Based Multiuser Precoding with Limited Feedback

M Özateş, M Kazemi, Ç Göken… - 2021 IEEE International …, 2021 - ieeexplore.ieee.org
… (BS) for precoding. Specifically, we propose a downlink multiuser precoding scheme by
first reconstructing the equivalent channel matrix of each user via a limited feedback, and then …

Multi-user massive MIMO channel estimation using joint sparsity and non-ideal feedback modeling

N Sadeghi, M Azghani - Digital Signal Processing, 2020 - Elsevier
… due to the overwhelming overhead of downlink channel pilots and uplink channel feedback.
In this paper, we consider the multi-user massive MIMO system and apply joint sparsity-…