Pruning the pilots: Deep learning-based pilot design and channel estimation for MIMO-OFDM systems

MB Mashhadi, D Gündüz - IEEE Transactions on Wireless …, 2021 - ieeexplore.ieee.org
With the large number of antennas and subcarriers the overhead due to pilot transmission
for channel estimation can be prohibitive in wideband massive multiple-input multiple-output …

Deep learning-based CSI feedback for beamforming in single-and multi-cell massive MIMO systems

J Guo, CK Wen, S Jin - IEEE Journal on Selected Areas in …, 2020 - ieeexplore.ieee.org
The potentials of massive multiple-input multiple-output (MIMO) are all based on the
available instantaneous channel state information (CSI) at the base station (BS). Therefore …

An overview of enhanced massive MIMO with array signal processing techniques

M Wang, F Gao, S Jin, H Lin - IEEE Journal of Selected Topics …, 2019 - ieeexplore.ieee.org
In the past ten years, there have been tremendous research progresses on massive MIMO
systems, most of which stand from the communications viewpoint. A new trend to investigate …

Achievable rates of FDD massive MIMO systems with spatial channel correlation

Z Jiang, AF Molisch, G Caire… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
It is well known that the performance of frequency-division-duplex (FDD) massive MIMO
systems with iid channels is disappointing compared with that of time-division-duplex (TDD) …

Channel estimation for TDD/FDD massive MIMO systems with channel covariance computing

H Xie, F Gao, S Jin, J Fang… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
In this paper, we propose a new channel estimation scheme for TDD/FDD massive MIMO
systems by reconstructing (sometimes also referred to as covariance computing or …

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 …

Millimeter-wave channel estimation based on 2-D beamspace MUSIC method

Z Guo, X Wang, W Heng - IEEE transactions on wireless …, 2017 - ieeexplore.ieee.org
Due to the spatial sparsity caused by severe propagation loss, mm-wave channel estimation
can be performed by estimating the directions and gains of the paths that have significant …

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 …

Angle domain channel estimation in hybrid millimeter wave massive MIMO systems

D Fan, F Gao, Y Liu, Y Deng, G Wang… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
This paper proposes a novel direction-of-arrival (DOA)-aided channel estimation for a hybrid
millimeter-wave (mm-wave) massive multiple-input multiple-output system with a uniform …

A full-space spectrum-sharing strategy for massive MIMO cognitive radio systems

H Xie, B Wang, F Gao, S Jin - IEEE Journal on Selected Areas …, 2016 - ieeexplore.ieee.org
In this paper, we introduce a new spatial spectrum-sharing strategy for massive multiple-
input multiple-output (MIMO) cognitive radio (CR) systems. Different from the conventional …