SCA power optimization in cell-free massive MIMO with short-term power constraints

Y Zhang, H Cao, Y Guo, L Yang - 2018 10th International …, 2018 - ieeexplore.ieee.org
In this paper, the performance of downlink cell-free massive multiple-input multiple-output
(mMIMO) system with short-term power constraints is investigated. To maximize the sum …

Deep learning aided channel estimation for massive MIMO with pilot contamination

H Hirose, T Ohtsuki, G Gui - GLOBECOM 2020-2020 IEEE …, 2020 - ieeexplore.ieee.org
In a time division duplex (TDD) based massive multiple-input multiple-output (MIMO) system,
a base station (BS) needs accurate estimation of channel state information (CSI) for a user …

Impact of antenna distribution on spectral and energy efficiency of cell-free massive MIMO with transmit power control algorithms

M Ito, I Kanno, K Yamazaki, Y Kishi… - IEEE Open Journal …, 2022 - ieeexplore.ieee.org
Cell-free massive multiple-input multiple-output (CF-mMIMO) systems are expected to
provide faster and more robust connections to user equipments by cooperation of a massive …

Cell-free massive MIMO with large-scale fading decoding and dynamic cooperation clustering

OT Demir, E Björnson… - WSA 2021; 25th …, 2021 - ieeexplore.ieee.org
This paper considers the uplink of user-centric cellfree massive MIMO (multiple-input
multiple-output) systems. We utilize the user-centric dynamic cooperation clustering (DCC) …

Joint channel estimation and feedback with low overhead for FDD massive MIMO systems

L Dai, Z Gao, Z Wang - 2015 IEEE/CIC International Conference …, 2015 - ieeexplore.ieee.org
Accurate channel state information (CSI) is essential to realize the potential advantages of
massive MIMO. However, the overhead required by conventional channel estimation and …

Model-Driven Deep Learning Based Precoding for FDD Cell-Free Massive MIMO with Imperfect CSI

S Liu, Z Gao, C Hu, S Tan, L Fang… - … and Mobile Computing …, 2022 - ieeexplore.ieee.org
This paper proposes a model-driven deep learning based channel feedback and multi-user
precoding scheme for cell-free massive MIMO systems, where the downlink pilot signals …

A novel FDD massive MIMO system based on downlink spatial channel estimation without CSIT

AA Esswie, M El-Absi, OA Dobre, S Ikki… - 2017 IEEE …, 2017 - ieeexplore.ieee.org
Channel state information (CSI) acquisition is a crucial issue in downlink FDD-based
massive multi-input multioutput (MIMO) networks, where the channel reciprocity is not …

Deep learning and compressive sensing-based CSI feedback in FDD massive MIMO systems

P Liang, J Fan, W Shen, Z Qin… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
To fully utilize multiplexing and array gains of massive multiple-input multiple-output (MIMO),
the downlink channel state information (CSI) must be acquired at the base station (BS). In …

A spatial basis coverage approach for uplink training and scheduling in massive MIMO systems

SE Hajri, M Assaad - arXiv preprint arXiv:1804.10934, 2018 - arxiv.org
Massive multiple-input multiple-output (massive MIMO) can provide large spectral and
energy efficiency gains. Nevertheless, its potential is conditioned on acquiring accurate …

Few-bit CSI acquisition for centralized cell-free massive MIMO with spatial correlation

D Maryopi, A Burr - 2019 IEEE Wireless Communications and …, 2019 - ieeexplore.ieee.org
The availability and accuracy of Channel State Information (CSI) play a crucial role for
coherent detection in almost every communication system. Particularly in the recently …