Physical layer security in downlink of cell-free massive MIMO with imperfect CSI

DA Tubail, M Alsmadi, S Ikki - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This paper investigates the threat of passive eavesdropping on downlink cell-free massive
MIMO (CF-MaMIMO) systems, examining in a particular system under the effects of imperfect …

Physical layer security in cell-free massive MIMO

S Timilsina, D Kudathanthirige… - 2018 IEEE Global …, 2018 - ieeexplore.ieee.org
The achievable secrecy rates for a cell-free massive multiple-input multiple-output (MIMO) in
the presence of a single-antenna active eavesdropper are derived and compared with that …

Cell-free massive MIMO with protective partial zero-forcing and active eavesdropping

YS Atiya, Z Mobini, HQ Ngo… - 2023 IEEE 97th …, 2023 - ieeexplore.ieee.org
We consider a cell-free massive MIMO (CF-mMIMO) system with multi-antenna access
points (APs) and distributed protective partial zero-forcing (PPZF) precoding, which is prone …

Secure transmission in cell-free massive MIMO with low-resolution DACs over Rician fading channels

Y Zhang, W Xia, G Zheng, H Zhao… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This paper investigates the secure transmission in downlink cell-free massive multiple-input
multiple-output (MIMO) systems in the presence of an active multi-antenna eavesdropper …

Artificial noise assisted secure transmission for uplink of massive MIMO systems

W Xu, B Li, LL Tao, W Xiang - IEEE Transactions on Vehicular …, 2021 - ieeexplore.ieee.org
Secure downlink transmission in massive multiple-input multiple-output (MIMO) systems has
sparked great research enthusiasm. However, the secrecy of uplink transmission is equally …

Security-constrained power allocation in MU-massive-MIMO with distributed antennas

K Guo, Y Guo, G Ascheid - IEEE Transactions on Wireless …, 2016 - ieeexplore.ieee.org
We consider the physical layer security in a multi-user massive multiple-input multiple-output
system, where an eavesdropper (Eve) can intercept the information intended for any of the …

Nearest APs-based downlink pilot transmission for high secrecy rates in cell-free massive MIMO

S Elhoushy, W Hamouda - GLOBECOM 2020-2020 IEEE …, 2020 - ieeexplore.ieee.org
This paper investigates the downlink (DL) performance of cell-free (CF) massive multiple-
input multiple-output (MIMO) systems in the presence of pilot spoofing attacks. Assuming no …

Distributed antennas aided secure communication in MU-massive-MIMO with QoS guarantee

K Guo, Y Guo, G Ascheid - 2015 IEEE 82nd Vehicular …, 2015 - ieeexplore.ieee.org
We consider in this paper the physical layer security in multi-user massive multiple-input
multiple-output (MU-Massive-MIMO) system, where an eavesdropper (Eve) is assumed to be …

Spatial Sparsity-Based Pilot Attack Detection and Transmission Countermeasure for Cell-Free Massive MIMO System

N Li, Y Gao, K Xu, M Guo, N Sha, X Wang… - IEEE Systems …, 2022 - ieeexplore.ieee.org
In this article, we investigate the security performance of a cell-free (CF) massive multiple-
input–multiple-output (MIMO) system that is composed of a large number of randomly …

Eavesdropping in the uplink of massive MIMO: countermeasure and performance analysis

W Peng, L Tao, W Xu - AEU-International Journal of Electronics and …, 2021 - Elsevier
In massive multiple-input multiple-output (MIMO) systems, a multi-antenna eavesdropper
could potentially harm the uplink security by channel estimation in the training phase and …