Results 21 to 30 of about 465 (189)

Secure Transmission With Aid of a Helper for MIMOME Network Having Finite Alphabet Inputs

open access: yesIEEE Access, 2017
This paper considers secure transmission with the aid of a helper for finite alphabet signals in multiple-input-multiple-output multiple antenna eavesdropper networks, where the helper transmits a jamming signal along with the confidential message sent ...
Kuo Cao   +3 more
doaj   +1 more source

Performance analysis of physical layer security based on channel correlation

open access: yesTongxin xuebao, 2021
In view of the correlation of the main and eavesdropper’s channels in physical layer security, the impact of channel correlation on the secrecy performance was studied, the exact form ulations of ergodic secrecy capacity and secrecy outage probability ...
Xuanli WU   +3 more
doaj   +2 more sources

On the Ergodic Secrecy Capacity with Full Duplex Communication [PDF]

open access: yes, 2017
Full duplex communication promises performance gains in terms of the throughput and the delay. Generally, it has been shown that the throughput and delay gains of full duplex communication are somewhat limited in realistic network settings, leading ...
Mahmood, Nurul Huda   +7 more
core   +1 more source

Secrecy Performance Analysis of Artificial-Noise-Aided Spatial Modulation in the Presence of Imperfect CSI

open access: yesIEEE Access, 2018
The security of information over wireless channels has always been an important aspect of wireless communication research. In this paper, the secrecy performance of a spatial modulated system with an artificial noise is investigated over the Rayleigh ...
Xiangbin Yu   +5 more
doaj   +1 more source

Enhancing secrecy rates in a wiretap channel

open access: yesDigital Communications and Networks, 2020
Reliable communication imposes an upper limit on the achievable rate, namely the Shannon capacity. Wyner's wiretap coding ensures a security constraint and reliability, but results in a decrease of achievable rate.
Shahid M. Shah, Vinod Sharma
doaj   +1 more source

Power allocation‐Assisted secrecy analysis for NOMA enabled cooperative network under multiple eavesdroppers

open access: yesETRI Journal, 2021
In this work, the secrecy of a typical wireless cooperative dual‐hop non‐orthogonal multiple access (NOMA)‐enabled decode‐and‐forward (DF) relay network is investigated with the impact of collaborative and non‐collaborative eavesdropping.
V. Narasimha Nayak, Kiran Kumar Gurrala
doaj   +1 more source

Secure downlink transmission with finite resolution analog beamforming in massive multiple-input multiple-output system

open access: yesInternational Journal of Distributed Sensor Networks, 2018
To reduce the number of radio-frequency chains of base station, the use of finite resolution analog beamforming is desirbale in massive multiple-input multiple-output system.
Xianyu Zhang   +3 more
doaj   +1 more source

Secure performance analysis and pilot spoofing attack detection in cell-free massive MIMO systems with finite-resolution ADCs

open access: yesInternational Journal of Distributed Sensor Networks, 2022
In this article, the secure communication in cell-free massive multiple-input multiple-output system with low-resolution analog-to-digital converters is investigated in the presence of an active eavesdropper.
Xianyu Zhang   +3 more
doaj   +1 more source

A physical layer security scheme for full-duplex communication systems with residual self-interference and non-eavesdropping CSI

open access: yesDigital Communications and Networks, 2021
We discuss the physical layer security scheme in the Full-Duplex (FD) MIMO point-to-point two-way communication system with residual self-interference, in which legitimate nodes send confidential information and null space Artificial Noise (AN) while ...
Weijia Lei, Yang Zhou, Xiuzhen Lin
doaj   +1 more source

Ergodic Secrecy Rate of Optimal Source-Destination Pair Selection in Frequency-Selective Fading

open access: yesIEEE Transactions on Vehicular Technology, 2023
Node selection is a simple technique to achieve diversity and thereby enhance the physical layer security in future wireless communication systems which require low complexity. High-speed data transmission often encounters frequency selective fading. In this context, we evaluate the exact closed-form expression for the ergodic secrecy rate (ESR) of the
Shashi Bhushan Kotwal   +4 more
openaire   +2 more sources

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