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
… This paper proposed a SampleDL method for downlink CSI feedback in FDD massive MIMO
systems. By combing compressive sampling with NNs, the proposed method outperforms …

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
… This paper considers an FDD massive MIMO system operating in mmWave propagation
environment [9] in which the number of scatterers is limited. Accordingly, the sparse channel of …

Channel feedback based on AoD-adaptive subspace codebook in FDD massive MIMO systems

W Shen, L Dai, B Shim, Z Wang… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
… ) antennas, which is large in massive MIMO systems. To reduce the feedback overhead, we
… subspace codebook for channel feedback in FDD massive MIMO systems. Our key insight is …

Projection-based differential feedback for FDD massive MIMO systems

Y Han, W Shin, J Lee - … Transactions on Vehicular Technology, 2016 - ieeexplore.ieee.org
feedback framework for FDD massive MIMO systems. The proposed feedback scheme,
referred to as projection-based differential feedback (PBDF), can efficiently reduce the amount of …

Closed-loop compressive CSIT estimation in FDD massive MIMO systems with 1 bit feedback

VKN Lau, S Cai, A Liu - IEEE Transactions on Signal …, 2016 - ieeexplore.ieee.org
… a novel closed-loop compressive CSIT estimation framework in massive MIMO systems
with only 1-bit feedback. In section II, we present the system model and propose the closed-loop …

Antenna grouping based feedback compression for FDD-based massive MIMO systems

B Lee, J Choi, JY Seol, DJ Love… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
… frequency division duplexing (FDD) systems. In this paper, we propose an antenna grouping
based feedback reduction technique for FDD-based massive MIMO systems. The proposed …

A covariance-based hybrid channel feedback in FDD massive MIMO systems

S Qiu, D Gesbert, D Chen… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
… cooperative precoder feedback scheme among users to improve system performance. …
was proposed for FDD massive MIMO systems in [18] to greatly reduce feedback overhead with …

Dealing with large overhead in FDD massive MIMO systems: A one-bit feedback scheme

Y Zhang, W Feng, N Ge - 2016 23rd International Conference …, 2016 - ieeexplore.ieee.org
systems due to the large number of BS antennas. In this paper, a one-bit feedback scheme
is proposed to deal with this problem and realize massive MIMO gains in FDD systems. In …

Projection based feedback compression for FDD massive MIMO systems

Y Han, W Shin, J Lee - 2014 IEEE Globecom Workshops (GC …, 2014 - ieeexplore.ieee.org
… CSI feedback. In this paper, we consider a feedback protocol for FDD massive MIMO systems
Although the downlink channel estimation is also challenging in massive MIMO systems, it …

Achievable rates of FDD massive MIMO systems with spatial channel correlation

Z Jiang, AF Molisch, G Caire… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
… achievable rates of FDD massive MIMO systems with spatially … sequences and user CSIT
feedback codebooks, exploiting … with TDD massive MIMO systems, iid FDD systems, and the …