An overview of physical layer security in wireless communication systems with CSIT uncertainty
The concept of physical layer security builds on the pivotal idea of turning the channel's
imperfections, such as noise and fading, into a source of security. This is established …
imperfections, such as noise and fading, into a source of security. This is established …
Cooperative spectrum access towards secure information transfer for CRNs
In cognitive radio networks (CRNs), secure information transfer is of paramount importance
for primary users (PUs), while secondary users (SUs) mainly desire to ease the starvation for …
for primary users (PUs), while secondary users (SUs) mainly desire to ease the starvation for …
Resource allocation and trajectory design in UAV-assisted jamming wideband cognitive radio networks
The secure performance of wideband cognitive radio networks (CRNs) with OFDMA
(orthogonal frequency-division multiple access) achieved by using physical layer security is …
(orthogonal frequency-division multiple access) achieved by using physical layer security is …
Improving physical-layer security for CRNs using SINR-based cooperative beamforming
F Zhu, M Yao - IEEE Transactions on Vehicular Technology, 2015 - ieeexplore.ieee.org
In this paper, we consider a new cognitive radio network (CRN), where cooperative
beamforming is designed to enhance the physical-layer security for both primary users …
beamforming is designed to enhance the physical-layer security for both primary users …
Adaptive secure transmission for physical layer security in cooperative wireless networks
We investigate the physical layer security in cooperative wireless networks where a source
(Alice) transmits a confidential message to a destination (Bob) with the help of a cooperative …
(Alice) transmits a confidential message to a destination (Bob) with the help of a cooperative …
Collaborative approach on mitigating spectrum sensing data hijack attack and dynamic spectrum allocation based on CASG modeling in wireless cognitive radio …
Cognitive radio networks being a promising technology among the wireless devices where
dynamic spectrum access by secondary users to utilize the scarce spectrum among the …
dynamic spectrum access by secondary users to utilize the scarce spectrum among the …
A novel physical layer security scheme in OFDM-based cognitive radio networks
HA Shah, I Koo - IEEE Access, 2018 - ieeexplore.ieee.org
In this paper, a physical-layer-security scheme for an underlay relay-based cognitive radio
network (CRN) that uses orthogonal frequency-division multiplexing (OFDM) as the medium …
network (CRN) that uses orthogonal frequency-division multiplexing (OFDM) as the medium …
Cooperative secure resource allocation in cognitive radio networks with guaranteed secrecy rate for primary users
In this paper, we introduce a new cooperative paradigm for secure communication in
cognitive radio networks (CRNs) where secondary users (SUs) are allowed to access the …
cognitive radio networks (CRNs) where secondary users (SUs) are allowed to access the …
Energy efficiency analysis of cooperative jamming in cognitive radio networks with secrecy constraints
We investigate energy-efficient cooperation for secrecy in cognitive radio networks. In
particular, we consider a four-node cognitive scenario where the secondary receiver is …
particular, we consider a four-node cognitive scenario where the secondary receiver is …
Energy efficiency of secure cognitive radio networks with cooperative spectrum sharing
Energy-efficient and secure wireless communications have recently earned tremendous
interests due to economic, environmental, and military concerns. This paper investigates the …
interests due to economic, environmental, and military concerns. This paper investigates the …