Secure performance analysis of cognitive two-way relay system with an eavesdropper

Q Gu, G Wang, R Fan, Z Zhong - 2014 IEEE/CIC International …, 2014 - ieeexplore.ieee.org
This paper investigates the system performance of two-way relay channel with an
eavesdropper in cognitive network, where two users exchange their information via an …

Relay selection for improved physical layer security in cognitive relay networks using artificial noise

S Jia, J Zhang, H Zhao, Y Lou, Y Xu - IEEE Access, 2018 - ieeexplore.ieee.org
In this paper, the physical layer security of underlay cognitive decode-and-forward (DF) relay
networks is investigated, wherein one secondary transmitter (ST) exchanges confidential …

Secrecy analysis of multiuser untrusted amplify‐and‐forward relay networks

D Deng, X Li, L Fan, W Zhou… - Wireless …, 2017 - Wiley Online Library
This paper investigates the secure communications of multiuser untrusted amplify‐and‐
forward relay networks in the presence of direct links. In the considered system, one user is …

Physical layer security in cooperative amplify‐and‐forward relay networks over mixed Nakagami‐m and double Nakagami‐m fading channels: performance …

A Pandey, S Yadav - IET Communications, 2020 - Wiley Online Library
The authors investigate the secrecy performance of a cooperative relaying network, wherein
a fixed source communicates with a fixed destination via an amplify‐and‐forward mobile …

Secrecy outage analysis for cooperative DF underlay CRNs with outdated CSI

W Yang, X Xu, Y Cai, B Zheng - 2014 IEEE Wireless …, 2014 - ieeexplore.ieee.org
In this paper, we investigate the secrecy outage probability (SOP) for the cooperative
decode-and-forward (DF) underlay cognitive radio networks (CRNs). Duo to the spectrum …

Secrecy outage of dual-hop regenerative multi-relay system with relay selection

C Kundu, S Ghose, R Bose - IEEE Transactions on Wireless …, 2015 - ieeexplore.ieee.org
Relay selection is considered to enhance the secrecy of a dual-hop regenerative multi-relay
system with an eavesdropper. Without assuming perfect decoding at the relays, the secrecy …

Secrecy performance of cooperative cognitive radio networks under joint secrecy outage and primary user interference constraints

TX Quach, H Tran, E Uhlemann, MT Truc - IEEE Access, 2020 - ieeexplore.ieee.org
In this paper, we investigate the secrecy performance of a Cooperative Cognitive Radio
Network (CCRN) in the presence of an eavesdropper (EAV). The secondary users (SUs) are …

Secrecy analysis of amplify-and-forward relay networks with beamforming

P Chen, J Ouyang, WP Zhu - KSII Transactions on Internet and …, 2016 - koreascience.kr
This paper analyzes the secrecy performance of an amplify-and-forward (AF) relay network,
where a multi-antenna eavesdropper attempts to overhear the transmitted message from a …

Secure communications in multiple amplify‐and‐forward relay networks with outdated channel state information

D Deng, L Fan, R Zhao, RQ Hu - Transactions on Emerging …, 2016 - Wiley Online Library
This paper studies the effect of outdated channel state information on relay selection for a
secure amplify‐and‐forward relay network. In the considered system, one of the multiple …

Secure cooperative untrusted-relay network with outdated CSI

A Mabrouk, K Tourki, N Hamdi - 2016 International Wireless …, 2016 - ieeexplore.ieee.org
This paper studies the secrecy performance of an untrusted amplify-and-forward relaying
network where both the relaying and the direct links are used to convey the source's …