Table 2 Major information-theoretic secrecy analysis works over the classic wiretap fading channels

2008

Bloch et al. [9]

Derived simple and exact SOP, PNZ, and ASC closed-form expressions over Rayleigh fading channels

2013

Liu [32, 33]

Derived the PNZ over Rician and Weibull fading channels

2014

Wang et al. [31]

Derived the ASC and SOP over TWDP fading channels

2015–2018

Lei et al. [38, 40], Kong et al. [39, 41]

Analyzed the SOP, lower bound of SOP, PNZ, and ASC over \(\alpha -\mu\) fading channels

2016

Pan et al. [37]

Proposed an highly accurate approximated secrecy solution over lognormal fading channels

Bhargav et al. [44]

Derived the lower bound of SOP and PNZ over \(\kappa -\mu\) fading channels

Lei et al. [48,49,50]

Analyzed the security metrics over generalized-\({\mathcal {K}}\) fading channels

2017

Saber and Sadough [74]

Derived the SOP, PNZ, and ASC over the Málaga fading channels

2018

Kong and Kaddoum [53]

Derived the SOP, lower bound of SOP, PNZ and ASC over Fisher-Snedecor \({\mathcal {F}}\) fading channels

Kong et al. [60]

Derived closed-form expressions for the SOP, PNZ, and ASC over cascaded \(\alpha -\mu\) fading channels

Mathur et al. [65]

Derived the ASC and SOP over \(\alpha -\eta -\kappa -\mu\) fading channels

2019

Kong & Kaddoum [36]

Analyzed the security metrics with the assistance of the MG distribution

Kong et al. [52]

Analyzed the security metrics over a general and flexible Fox’s H-function fading channels

Moualeu et al. [62]

Derived closed-form expressions of lower bound of SOP and their asymptotic behavior over the \(\alpha -\eta -\mu\) & \(\alpha -\kappa -\mu\) fading channels

Zeng et al. [79], Zhao et al. [80]

Analyzed the security metrics over the FTR fading channels

2020

Kong et al. [101]

Proposed a unified secrecy analysis framework with the help of MoG distribution

Sánchez et al. [56]

Derived the closed-form expressions of SOP and ASC metrics over shadowed \(\kappa -\mu\) fading channels

Sánchez et al. [66]

Derived the exact and asymptotic SOP behavior over NWDP fading channels

Tashman et al. [61]

Derived the SOP and PNZ over cascaded \(\kappa -\mu\) fading channels

Badarneh et al. [54]

Derived the ASC, PNZ, and SOP over Nakagami-m/Fisher Snedecor \({\mathcal {F}}\), Fisher Snedecor \({\mathcal {F}}\)/Nakagami-m, and Nakagami-m/Nakagami-m fading channels

2021

Ai et al. [78]

Derived the SOP and PNZ over correlated Málaga fading channels