NDLI: Secrecy outage analysis of double shadowed Rician channels

Content Provider	IET Digital Library
Author	Ai, Y. Kong, L. Cheffena, M.
Abstract	The double shadowed Rician model was recently proposed to describe some realistic physical signal propagation phenomena, where a Rician faded signal is impacted by cascaded shadowing processes. In this Letter, the authors study the outage performance of the double shadowed Rician model. More specifically, they investigate the impact of two different shadowing processes on the secrecy performance by deriving novel and exact expressions for secrecy outage performance metrics. The obtained results reveal the following physical implications: (i) when a Rician faded signal undergoes line-of-sight shadowing, which is further cascaded by another round of composite shadowing, the latter form of shadowing imposes larger impact on the secrecy performance; (ii) the widely investigated concept of ‘protected zone’ to improve the secrecy performance should not be limited to the legitimate transmitter but also extended to the legitimate receiver due to the adverse shadowing effect caused by objects in its vicinity; and (iii) the rate of outage performance degradation grows larger as the shadowings become severe.
Starting Page	765
Ending Page	767
Page Count	3
ISSN	00135194
Volume Number	55
e-ISSN	1350911X
Issue Number	Issue 13, Jun (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/55/13
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2019.0707
Journal	Electronics Letters
Publisher Date	2019-05-16
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Adverse Shadowing Effect Cascaded Shadowing Processes Composite Shadowing Different Shadowing Processes Diversity Reception Double Shadowed Rician Channel Double Shadowed Rician Model Fading Channel Line-of-sight Shadowing Outage Performance Degradation Probability Radio Link And Equipment Realistic Physical Signal Propagation Phenomena Reliability Rician Channel Rician Faded Signal Secrecy Outage Analysis Secrecy Outage Performance Metrics Secrecy Performance Shadowings Statistics Telecommunication Network Reliability Telecommunication Security
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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