Results 21 to 30 of about 820 (239)
EURASIP Journal on Wireless Communications and Networking, 2021 This paper investigates physical layer security analysis of cooperative non-orthogonal multiple access (NOMA) communication system. A virtual full-duplex (VFD) relaying scheme with an untrusted amplify-and-forward (AF) half-duplex (HD) relay and a ...
Weidong Guo, Yuxi Liu
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Secrecy Performance of Overlay Cognitive Radio Inspired NOMA With Untrusted Secondary User
IEEE AccessIn this paper, we investigate the integration of physical layer security (PLS) and cognitive radio (CR) technologies with non-orthogonal multiple access (NOMA) to enhance spectral efficiency (SE) and security in fifth generation (5G) and beyond wireless ...
Swathi Priya Indraganti +1 more
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Physical layer security in cognitive NOMA sensor networks with full-duplex technique
International Journal of Distributed Sensor Networks, 2021 This article studies the physical layer security in a downlink full-duplex cognitive non-orthogonal multiple access sensor networks (FD-C-NOMA). Compared with the existing works, this article proposes a FD-C-NOMA transmission scheme with a primary user ...
Zhihui Shang +4 more
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Secrecy Performance Analysis of Hybrid RF/FSO System under Different Eavesdropping Strategies
PhotonicsIn this paper, we analyze the confidentiality of a hybrid radio frequency (RF)/free-space optical (FSO) system with regard to physical layer security (PLS). In this system, signals are transmitted between the source and destination using RF and FSO links,
Xinkang Song +4 more
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Deep reinforcement learning aided secure UAV communications in the presence of moving eavesdroppers
Journal of King Saud University: Computer and Information SciencesIntegrating unmanned aerial vehicles (UAVs) with wireless systems is widely anticipated to bring enormous benefits to network users, and is considered as a key enabling technology for next generation wireless networks.
Gongchao Su +3 more
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Physical Layer Security in Uplink NOMA Multi-Antenna Systems With Randomly Distributed Eavesdroppers
IEEE Access, 2019 The physical layer security of uplink non-orthogonal multiple access (NOMA) is analyzed. A stochastic geometry approach is applied to analyze the coverage probability and effective secrecy throughput (EST) of the kth NOMA user, where a fixed or an ...
Gerardo Gomez +4 more
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Secrecy Performance Analysis of Energy Harvesting Untrusted Relay Networks with Hardware Impairments
International Journal of Distributed Sensor NetworksIn this work, we focus on the issue of secure communication in energy harvesting untrusted relay networks taking into account the impact of hardware impairments, where an energy-constrained relay, powered by received radio frequency signals, attempts to ...
Dechuan Chen +5 more
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Sensors, 2018 This paper investigates secure communications of energy harvesting untrusted relay networks, where the destination assists jamming signal to prevent the untrusted relay from eavesdropping and to improve the forwarding ability of the energy constrained ...
Hui Shi +4 more
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Experimental Evaluation of Network-Controlled Physical-Layer Security Through Friendly Jamming
IEEE Open Journal of the Communications SocietyIn this paper, we present a real-life, cost-effective implementation of physical layer security (PLS) using friendly jamming (FJ) and the IEEE 802.11 technology.
Sayed Amir Hoseini +4 more
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A Federated Learning Scheme for Eavesdropper Detection in B5G - IIoT Network Orientations
IEEE Open Journal of the Communications SocietyIn heterogeneous Beyond 5G (B5G) environments, the adoption of sophisticated Physical Layer (PHY) enhancements, such as Physical Layer Security (PLS) techniques, play a vital role in safeguarding sensitive transmissions against eavesdropping threats ...
Maria Lamprini A. Bartsioka +5 more
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