On the Performance of FDD Cell-Free Massive MIMO with Compressed Sensing Channel Estimation

T Han, D Zhao - 2021 IEEE 21st International Conference on …, 2021 - ieeexplore.ieee.org
Cell-free massive multiple-input multiple-output (CF-mMIMO) provides a consistent service
experience for the users that use mobile terminals. In frequency division duplexing (FDD) …

Downlink channel estimation in FDD cell-free massive MIMO

T Han, D Zhao - Physical Communication, 2022 - Elsevier
In frequency-division duplexing (FDD) cell-free massive multiple-input multiple-output
(MIMO) systems, an excessive channel estimation overhead is a critical issue that limits the …

Cell-free massive MIMO with Rician K-adaptive feedback

K Lee, W Choi - … IEEE 33rd Annual International Symposium on …, 2022 - ieeexplore.ieee.org
Cell-free massive multiple-input multiple-output (CF-mMIMO) systems have been developed
primarily in time-division duplex (TDD) systems to provide uniformly good service to all users …

Machine learning enhanced CSI acquisition and training strategy for FDD massive MIMO

N Song, T Yang - 2021 IEEE wireless communications and …, 2021 - ieeexplore.ieee.org
Massive Multiple Input Multiple Output (MIMO) is able to boost the system throughput. A key
challenge is a large overhead of Channel State Information (CSI) feedback with the …

FDD massive MIMO without CSI feedback

D Han, J Park, N Lee - IEEE Transactions on Wireless …, 2023 - ieeexplore.ieee.org
Transmitter channel state information (CSIT) is indispensable for the spectral efficiency
gains offered by massive multiple-input multiple-output (MIMO) systems. In a frequency …

Beam-blocked channel estimation for FDD massive MIMO with compressed feedback

W Huang, Y Huang, W Xu, L Yang - IEEE Access, 2017 - ieeexplore.ieee.org
To fully exploit both multiplexing gain and array gain of massive multiple-input-
multipleoutput (MIMO), the channel state information must be obtained accurately at …

User-centric cell-free massive MIMO with interference cancellation and local ZF downlink precoding

S Buzzi, C D'Andrea, C D'Elia - 2018 15th International …, 2018 - ieeexplore.ieee.org
In the user-centric (UC) cell-free Massive MIMO architecture, a large number of distributed
access points (APs) are deployed in a given area, each one serving the mobile stations …

Downlink performance analysis of cell-free massive MIMO over spatially correlated Rayleigh channels

J Qiu, K Xu, Z Shen, W Xie, D Zhang… - 2019 IEEE 19th …, 2019 - ieeexplore.ieee.org
With the increasing number of users in 5G communication, the need for faster and higher
speeds becomes more urgent, cell-free massive multiple-input multiple-output (mMIMO) is …

Downlink channel estimation with limited feedback for FDD multi-user massive MIMO with spatial channel correlation

H Almosa, S Mosleh, E Perrins… - 2018 IEEE International …, 2018 - ieeexplore.ieee.org
Massive multiple input multiple output (MIMO) systems are a promising technology for next
generation wireless communications due to their ability to increase capacity and enhance …

Joint channel training and feedback for FDD massive MIMO systems

W Shen, L Dai, Y Shi, B Shim… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Massive multiple-input multiple-output (MIMO) is widely recognized as a promising
technology for future 5G wireless communication systems. To achieve the theoretical …