Secure Cooperative Half-Duplex Cognitive Radio Networks With -th Best Relay Selection

MN Nguyen, NP Nguyen, DB Da Costa… - IEEE …, 2017 - ieeexplore.ieee.org
In this paper, we study the secrecy performance of a half-duplex cognitive relay network in
the presence of multiple eavesdroppers and multiple primary users. In particular, generic K …

Secrecy performance of underlay cooperative cognitive network using non-orthogonal multiple access with opportunistic relay selection

TP Huynh, P Ngoc Son, M Voznak - Symmetry, 2019 - mdpi.com
In this paper, an underlay cooperative cognitive network using a non-orthogonal multiple
access (UCCN-NOMA) system is investigated, in which the intermediate multiple relays help …

Impact of correlated fading channels on cognitive relay networks with generalized relay selection

M Li, H Yin, Y Huang, Y Wang - IEEE Access, 2017 - ieeexplore.ieee.org
In this paper, we investigate the secrecy performance of dual-hop decode-and-forward
cognitive relay networks taking into account the channel correlation between the main and …

Secure cognitive radio networks with source selection and unreliable backhaul connections

TV Truong, MN Nguyen, C Kundu… - IET …, 2018 - Wiley Online Library
In this study, the secrecy performance of cooperative half‐duplex cognitive relay networks
(CRNs) comprised of multiple primary users (PUs) and multiple eavesdroppers under the …

Secrecy performance of threshold-based cognitive relay network with diversity combining

K Chopra, R Bose, A Joshi - Journal of Communications and …, 2018 - ieeexplore.ieee.org
In the spectrum sharing mode, the transmitting power of the secondary user (SU) is optimally
controlled, such that no additional interference occurs at the primary user (PU). In this paper …

Relay selection for secrecy improvement in cognitive amplify‐and‐forward relay networks against multiple eavesdroppers

X Ding, T Song, Y Zou, X Chen - IET Communications, 2016 - Wiley Online Library
In this study, the authors investigate the physical‐layer security in a cognitive amplify‐and‐
forward relay network consisting of a secondary transmitter (ST) and a secondary …

Secrecy performance of a generalized partial relay selection protocol in underlay cognitive networks

H Dinh Tran, D Trung Tran… - International Journal of …, 2018 - Wiley Online Library
In this, we propose a generalized partial relay selection (PRS) protocol to enhance the
secrecy performance for cooperative cognitive radio networks (CRNs) in terms of the …

Secure cognitive reactive decode-and-forward relay networks: With and without eavesdropper

DB Ha, TT Vu, TT Duy, VNQ Bao - Wireless Personal Communications, 2015 - Springer
In this paper, we study performances of cooperative relay networks in cognitive radio with
reactive multiple decode-and-forward (DF) relays. In particular, we first derive exact and …

Secrecy outage probability of minimum relay selection in multiple eavesdroppers DF cognitive radio networks

J Ding, Q Yang, J Yang - 2016 IEEE 83rd Vehicular Technology …, 2016 - ieeexplore.ieee.org
In this paper, we investigate the secrecy outage probability in a dual-hop decode-and-
forward (DF) secondary cognitive radio network, which is equipped with one source, one …

Secrecy performance of cooperative cognitive AF relaying networks with direct links over mixed Rayleigh and double-Rayleigh fading channels

A Pandey, S Yadav, DT Do… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This paper investigates the secrecy performance of an underlay cooperative cognitive
relaying network, wherein a secondary source vehicle communicates with a fixed secondary …