The Impact of Side Information on Physical Layer Security Under Correlated Fading Channels

In this paper, we investigate the impact of side information (SI) on the performance of physical layer security (PLS) under correlated fading channels. By considering non-causally known SI at the transmitter and exploiting the copula technique to describe the fading correlation, we derive closed-fro...

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Bibliographic Details
Published in:IEEE transactions on information forensics and security 2022-01, Vol.17, p.3626-3636
Main Authors: Rostami Ghadi, Farshad, Lopez-Martinez, F. Javier, Zhu, Wei-Ping, Gorce, Jean-Marie
Format: Article
Language:English
Subjects:
average secrecy capacity
Capacity planning
Channels
Computer Science
correlated fading
Correlation
Fading
Mathematics
Physical layer security
Power system reliability
Rayleigh channels
Receivers
Reliability
secrecy outage probability
Security
side information
Transmitters
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Summary:In this paper, we investigate the impact of side information (SI) on the performance of physical layer security (PLS) under correlated fading channels. By considering non-causally known SI at the transmitter and exploiting the copula technique to describe the fading correlation, we derive closed-from expressions for the average secrecy capacity (ASC) and secrecy outage probability (SOP) under positive/negative dependence conditions. We indicate that considering such knowledge at the transmitter is beneficial for system performance and ensures reliable communication with higher rates, as it improves the SOP and brings higher values of the ASC.
ISSN:1556-6013
1556-6021
DOI:10.1109/TIFS.2022.3212198