Results 41 to 50 of about 716 (181)
Cooperative Transmission for Security Enhancement in Clustered Wireless Sensor Networks
International Journal of Distributed Sensor Networks, 2015 We study opportunistic decode-and-forward relaying transmission in cooperative cluster-based wireless sensor networks (WSNs) with secrecy constraints, where a passive eavesdropper may overhear the source message.
Weiwei Yang, Songqing Wang, Xiaoming Xu
doaj +1 more source
Secrecy outage of threshold-based cooperative relay network with and without direct links
EURASIP 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
Physical Layer Security Enhancement of Space-Time Block Code Using Channel Prediction for Antenna Selection [PDF]
Jisuanji 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
Sakarya 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
Tongxin 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
IET 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
Institutional Diversity in Banking and Economic Complexity
International Journal of Finance &Economics, EarlyView.ABSTRACT In this paper, we test whether institutional diversity in banking systems is beneficial to economic complexity, using data for Italian provinces in the period 1998–2017. We compute different indexes that consider diversity from an ownership, institutional, business model and competition point of view and find that higher diversity has a ...
Beniamino Pisicoli
wiley +1 more source
On the secrecy performance of RIS-enabled wireless communications over Nakagami-m fading channels
ICT 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
Stabilising Routines in Complex Emergencies: How Basic Service Continuity Shapes Perceived Security
Public 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
International Journal of Satellite Communications and Networking, EarlyView.ABSTRACT The integration of low Earth orbit (LEO) satellite constellations with commercial aircraft communication systems presents critical challenges in maintaining continuous connectivity during dynamic flight conditions. Current geostationary satellite systems suffer from high round‐trip latency (>$$ > $$ 500 ms) and inadequate coverage at high ...
Raúl Parada +4 more
wiley +1 more source