Results 271 to 280 of about 455,839 (311)

Secure Cooperative Communications in 6G Networks: A Constrained Hierarchical Reinforcement Learning Framework with Hybrid Action Space. [PDF]

Entropy (Basel)
Tian X, Wang Z, Ni Y.
europepmc   +1 more source

QRBT: Quantum Driven Reinforcement Learning for Scalable Blockchain Transaction Processing. [PDF]

PLoS One
Lella KK, Mallu SRK.
europepmc   +1 more source

On the Security of Cell-Free Massive MIMO Networks. [PDF]

Sensors (Basel)
Mohammed H, Abdelfatah RI, Alshaer N, Nasr ME, Saafan AM.   +4 more
europepmc   +1 more source

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Quantization for Physical Layer Security

2016 IEEE Globecom Workshops (GC Wkshps), 2016
We propose a multi-level CSI quantization and key reconciliation scheme for physical layer security. The noisy wireless channel estimates obtained by the users first run through a transformation, prior to the quantization step. This enables the definition of guard bands around the quantization boundaries, tailored for a specific efficiency and not ...
Oana Graur, Nazia Islam, Werner Henkel
openaire   +1 more source

Physical Layer Security

2021
This book studies the vulnerability of wireless communications under line-of-sight (LoS) and non-LoS correlated fading environments. The authors theoretically and practically provide physical layer security analyses for several technologies and networks such as Fifth-Generation (5G) networks, Internet of Things (IoT) applications, and Non-orthogonal ...
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Securing massive MIMO at the physical layer

2015 IEEE Conference on Communications and Network Security (CNS), 2015
We consider a single-cell downlink massive MIMO system in the presence of an adversary capable of jamming and eavesdropping. We show that, classical attacks of eavesdropping and data jamming can be simultaneously rendered useless. Specifically, we show that, the secure degrees of freedom (DoF) attained in the presence of classical attacks is as same as
Yuksel Ozan Basciftci, Can Emre Koksal, Alexei E. Ashikhmin   +2 more
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Jamming Strategies for Physical Layer Security

IEEE Wireless Communications, 2018
This article provides a comprehensive overview on jamming strategies in the physical layer for securing wireless communications. As a complement to traditional cryptography-based approaches, physical layer based security provisioning techniques offer a number of promising features that have not been previously available.
Yan Huo, Liran Ma, Tao Jing
exaly   +2 more sources

Transmit Beamforming for Layered Physical Layer Security

IEEE Transactions on Vehicular Technology, 2019
In this paper, we propose a novel layered physical layer security model, which is the extension of the traditional physical layer security to the domain of multiple-layer information security. It has a hierarchical information security structure that every transmitted message has a security level, while every user has a security clearance.
Wei Zhang 0105, Jian Chen 0002, Yonghong Kuo, Yuchen Zhou 0001   +3 more
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A Rateless Approach to Physical-Layer Security

2018 IEEE International Conference on Communications (ICC), 2018
A majority of coding constructions for physical-layer security are based on linear block codes and their cosets. One issue with these codes is that they require knowledge of channel state information (CSI) for both the friendly party and the eavesdropper in the wiretap channel prior to constructing the code.
Matthew H. Johnson, Willie K. Harrison
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Physical Layer Security

2018
Wireless communications’ infrastructures are frequently selected as a cable replacement in many applications, giving an immediate advantage on the wireless investment. However, the worldwide proliferation of wireless local area network (WLAN) imposed large investments on the network security.
Soderi, Simone, Mucchi, Lorenzo, Hämäläinen, Matti, Piva, Alessandro, Iinatti, Jari   +4 more
openaire   +2 more sources