RIS-assisted secure communications: Low-complexity beamforming design

Z Cheng, N Li, J Zhu, X She… - IEEE Wireless …, 2023 - ieeexplore.ieee.org
Joint active and passive beamforming optimization is investigated to enhance the physical
layer security of a reconfigurable intelligent surface (RIS)-assisted multiple-antenna …

Cooperative jamming for secure transmission with both active and passive eavesdroppers

J Si, Z Cheng, Z Li, J Cheng, HM Wang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Secrecy transmission is investigated for a cooperative jamming scheme, where a multi-
antenna jammer generates artificial noise (AN) to confuse eavesdroppers. Two kinds of …

Secure multiantenna cognitive wiretap networks

T Zhang, Y Huang, Y Cai, C Zhong… - IEEE Transactions …, 2016 - ieeexplore.ieee.org
In this paper, we investigate the secrecy performance of a multiantenna cognitive wiretap
network, where the secondary transmitter (Alice) communicates with the secondary receiver …

Secure communications with cooperative jamming: Optimal power allocation and secrecy outage analysis

K Cumanan, GC Alexandropoulos… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
This paper studies the secrecy rate maximization problem of a secure wireless
communication system in the presence of multiple eavesdroppers. The security of the …

Artificial noise-aided secure multicasting design under secrecy outage constraint

B Wang, P Mu - IEEE Transactions on Communications, 2017 - ieeexplore.ieee.org
This paper investigates the physical layer security in a multiple-input-single-output multicast
channel, where a common message is transmitted to multiple receivers and only statistical …

[HTML][HTML] Aerial RIS-aided physical layer security design for satellite communication among similar channels

C Jiang, C Zhang, L Mu, Z Zhang, J Ge - Journal of Information and …, 2023 - Elsevier
Satellite communications and reconfigurable intelligent surface (RIS) are considered as two
promising technologies that can significantly improve the coverage and energy efficiency of …

On the performance of secure full-duplex relaying under composite fading channels

H Alves, G Brante, RD Souza… - IEEE signal …, 2014 - ieeexplore.ieee.org
We assume a full-duplex (FD) cooperative network subject to hostile attacks and undergoing
composite fading channels. We focus on two scenarios: a) the transmitter has full CSI, for …

Optimal power allocation for secrecy rate maximization in broadcast wiretap channels

H Song, H Wen, L Hu, Y Chen… - IEEE Wireless …, 2018 - ieeexplore.ieee.org
We investigate physical layer security in wireless communication networks, where a
transmitter Alice sends a confidential message to an intended user Bob, while coexisting …

Outage constrained robust secure transmission for MISO wiretap channels

S Ma, M Hong, E Song, X Wang… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
In this paper, we consider the robust secure beamformer design for multiple-input-single-
output wiretap channels. Assuming that the eavesdroppers' channels are only partially …

Destination assisted jamming and beamforming for improving the security of AF relay systems

N Ouyang, XQ Jiang, E Bai, HM Wang - IEEE Access, 2017 - ieeexplore.ieee.org
In this paper, we propose a destination-assisted jamming and beamforming (DAJB) scheme
for physical layer security in a one-way cooperative amplify-and-forward (AF) relay …