On the physical layer security of correlated Weibull fading channels with transmitter side information in the presence of a passive eavesdropper
In this paper, we analyze the performance of physical layer security (PLS) in Weibull fading wiretap channels (WTC), leveraging realistic channel propagation models in which the channel coefficients of the main (transmitter-to-legitimate receiver) and eavesdropper (transmitter-to-eavesdropper) chann...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-08-01
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| Series: | Alexandria Engineering Journal |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S1110016825006106 |
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| author | Ali Mohammad Khodadoust Mario Eduardo Rivero-Ángeles Víctor Barrera-Figueroa |
| author_facet | Ali Mohammad Khodadoust Mario Eduardo Rivero-Ángeles Víctor Barrera-Figueroa |
| author_sort | Ali Mohammad Khodadoust |
| collection | DOAJ |
| description | In this paper, we analyze the performance of physical layer security (PLS) in Weibull fading wiretap channels (WTC), leveraging realistic channel propagation models in which the channel coefficients of the main (transmitter-to-legitimate receiver) and eavesdropper (transmitter-to-eavesdropper) channels are correlated. Additionally, by incorporating non-causally known side information (SI) at the transmitter, we enhance PLS in this context. We utilize the Farlie–Gumbel–Morgenstern (FGM) copula to model the correlation between the main and eavesdropper channels, enabling us to derive analytical expressions for the average secrecy capacity (ASC), secrecy outage probability (SOP), the lower bound of SOP (LSOP), and the strictly positive secrecy capacity (SPSC) across various dependence scenarios (i.e., negative, positive, and independent). The numerically evaluated results, validated through corresponding computer simulations, provide valuable insights into the impact of channel correlation and SI at the transmitter on the system’s PLS performance. |
| format | Article |
| id | doaj-art-60ef183e5e4d4a7fb95a629e9ed4c8e6 |
| institution | Kabale University |
| issn | 1110-0168 |
| language | English |
| publishDate | 2025-08-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Alexandria Engineering Journal |
| spelling | doaj-art-60ef183e5e4d4a7fb95a629e9ed4c8e62025-08-22T04:55:21ZengElsevierAlexandria Engineering Journal1110-01682025-08-0112765166710.1016/j.aej.2025.04.102On the physical layer security of correlated Weibull fading channels with transmitter side information in the presence of a passive eavesdropperAli Mohammad Khodadoust0Mario Eduardo Rivero-Ángeles1Víctor Barrera-Figueroa2Computer Investigations Center, Instituto Politecnico Nacional, Mexico City 07738, Mexico; Corresponding author.Computer Investigations Center, Instituto Politecnico Nacional, Mexico City 07738, MexicoInstituto Politécnico Nacional, Sección de Estudios de Posgrado e Investigación, UPIITA, Av. Instituto Politécnico Nacional 2580, Col. Barrio la Laguna Ticomán, Mexico City C.P. 07340, MexicoIn this paper, we analyze the performance of physical layer security (PLS) in Weibull fading wiretap channels (WTC), leveraging realistic channel propagation models in which the channel coefficients of the main (transmitter-to-legitimate receiver) and eavesdropper (transmitter-to-eavesdropper) channels are correlated. Additionally, by incorporating non-causally known side information (SI) at the transmitter, we enhance PLS in this context. We utilize the Farlie–Gumbel–Morgenstern (FGM) copula to model the correlation between the main and eavesdropper channels, enabling us to derive analytical expressions for the average secrecy capacity (ASC), secrecy outage probability (SOP), the lower bound of SOP (LSOP), and the strictly positive secrecy capacity (SPSC) across various dependence scenarios (i.e., negative, positive, and independent). The numerically evaluated results, validated through corresponding computer simulations, provide valuable insights into the impact of channel correlation and SI at the transmitter on the system’s PLS performance.http://www.sciencedirect.com/science/article/pii/S1110016825006106Physical layer securityFarlie–Gumbel–Morgenstern copulaCorrelated Weibull fading wiretap channelsSide information at the transmitter |
| spellingShingle | Ali Mohammad Khodadoust Mario Eduardo Rivero-Ángeles Víctor Barrera-Figueroa On the physical layer security of correlated Weibull fading channels with transmitter side information in the presence of a passive eavesdropper Alexandria Engineering Journal Physical layer security Farlie–Gumbel–Morgenstern copula Correlated Weibull fading wiretap channels Side information at the transmitter |
| title | On the physical layer security of correlated Weibull fading channels with transmitter side information in the presence of a passive eavesdropper |
| title_full | On the physical layer security of correlated Weibull fading channels with transmitter side information in the presence of a passive eavesdropper |
| title_fullStr | On the physical layer security of correlated Weibull fading channels with transmitter side information in the presence of a passive eavesdropper |
| title_full_unstemmed | On the physical layer security of correlated Weibull fading channels with transmitter side information in the presence of a passive eavesdropper |
| title_short | On the physical layer security of correlated Weibull fading channels with transmitter side information in the presence of a passive eavesdropper |
| title_sort | on the physical layer security of correlated weibull fading channels with transmitter side information in the presence of a passive eavesdropper |
| topic | Physical layer security Farlie–Gumbel–Morgenstern copula Correlated Weibull fading wiretap channels Side information at the transmitter |
| url | http://www.sciencedirect.com/science/article/pii/S1110016825006106 |
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