Results 41 to 50 of about 717 (181)

Secrecy outage of threshold-based cooperative relay network with and without direct links

open access: yesEURASIP Journal on Information Security, 2018
In this paper, we investigate the secrecy outage performance of a dual-hop decode-and-forward (DF) threshold-based cooperative relay network, both with and without the direct links between source-eavesdropper and source-destination. Without assuming that
Khyati Chopra, Ranjan Bose, Anupam Joshi
doaj   +1 more source

On the secrecy performance of RIS-enabled wireless communications over Nakagami-m fading channels

open access: yesICT Express, 2023
This paper examines the secrecy performance of reconfigurable intelligent surface aided wireless communication systems. Specifically, we derive the secrecy outage probability (SOP), intercept probability, probability of non-zero secrecy capacity, and ...
Ashutosh K. Yadav   +3 more
doaj   +1 more source

On the Physical Layer Security Peculiarities of Wireless Communications in the Presence of the Beaulieu-Xie Shadowed Fading

open access: yesMathematics, 2022
The article presents an analysis of the physical layer security of a wireless communication system functioning in the presence of multipath fading and a wiretap.
Aleksey S. Gvozdarev   +1 more
doaj   +1 more source

Physical Layer Security Enhancement of Space-Time Block Code Using Channel Prediction for Antenna Selection [PDF]

open access: yesJisuanji gongcheng, 2020
Aiming at Transmit Antenna Selection with Delay(TASD)/Orthogonal Space-Time Block Code(OSTBC) wireless communication system,this paper proposes a system physical layer security enhancement scheme based on the Minimum Mean Square Error(MMSE) channel ...
QIAN Hui, LI Guangqiu, WANG Lingbo, CAI Jianhui
doaj   +1 more source

On the Analysis of Secrecy Outage Probability Using Average Channel Capacity

open access: yesSakarya University Journal of Science, 2020
In this article, we analyze the outage probability of physically secure wireless signal transmission in fading envi-ronments where both primary and eavesdropper channels are subject to generalized fading. We propose a novel approach using the average channel capacity of the primary channel and that of the eavesdropper channel to the outage probability ...
openaire   +5 more sources

Secrecy outage probability based access strategy for device-to-device communication underlaying cellular networks

open access: yesTongxin xuebao, 2016
A secure access strategy for D2D (device-to-device) communications underlaying cellular networks based on the secrecy outage probability was proposed.Firstly,the secrecy outage probability in the worst case was derived and a transmission power ...
Ya-jun CHEN   +3 more
doaj   +2 more sources

Secrecy outage probability analysis of energy‐aware relay selection for energy‐harvesting cooperative systems

open access: yesIET Communications, 2022
The secrecy outage performance for a cooperative cognitive radio energy‐harvesting network is analyzed. The cognitive network is composed of an energy‐constrained cognitive source (CS), multiple energy‐constrained cognitive relays (CRs) and a cognitive ...
Yujie Zhang   +3 more
doaj   +1 more source

Stabilising Routines in Complex Emergencies: How Basic Service Continuity Shapes Perceived Security

open access: yesPublic Administration and Development, EarlyView.
ABSTRACT This study examines how locally embedded actors describe the relationship between basic service continuity and perceived security in complex emergencies, with particular attention to the stabilisation of everyday routines. Using Proximity‐Predictability‐Attributability (PPA) as an analytic lens, we trace how interviewees relate access to water,
Abdullah Gökhan Yaşa, Orçun İmga
wiley   +1 more source

Sustainable Cities Under Pressure: Climate Risk, Oil Price Uncertainty, and Technological Innovation in GCC Countries

open access: yesSustainable Development, EarlyView.
ABSTRACT This study examines the dynamic interactions between climate risk, oil price uncertainty (OPU), and technological innovation in shaping Sustainable Development Goals (SDGs) related to Sustainable Cities and Communities (SCC) across Gulf Cooperation Council (GCC) countries from 2005 to 2024. Using a panel Time‐Varying Interactive Fixed Effects (
Mohamed Sami Ben Ali   +2 more
wiley   +1 more source

A Semi‐Quantitative Methodology for Chemical Process Resilience Assessment

open access: yesSafety Science and Technology, EarlyView.
A new semi‐quantitative framework is proposed for process resilience assessment. Safety/security, productivity, and quality are integrated into the resilience evaluation. Dynamic simulations are used to quantify resilience as a time‐dependent system response.
Tommaso Capomagi   +2 more
wiley   +1 more source

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