Results 51 to 60 of about 8,388,697 (281)

Secure Multiuser Scheduling for Hybrid Relay-Assisted Wireless Powered Cooperative Communication Networks With Full-Duplex Destination-Based Jamming

open access: yesIEEE Access, 2021
In this paper, we investigate secure communication in a hybrid relay (HR)-assisted wireless powered cooperative communication network (WPCCN), where an eavesdropper tries to intercept the data transmitted by a source user and the HR simultaneously.
Xiaohui Shang   +4 more
doaj   +1 more source

Physical Layer Secure Communication for Active Dual-RIS Assisted MISO System

open access: yesIEEE Access
This paper investigates physical layer security issues in a multiple-input single-output (MISO) network assisted by dual reconfigurable intelligent surfaces (RIS).
Jie Wen, Jianbo Ji, Dong Xie
doaj   +1 more source

RIS-Aided Mixed RF-FSO Wireless Networks: Secrecy Performance Analysis With Simultaneous Eavesdropping

open access: yesIEEE Access, 2023
In order to meet the demands of diverse services within sixth-generation networks across a range of industries, numerous approaches are being employed to address notable signal degradation resulting from channel obstruction, particularly in the realms of
Md. Mijanur Rahman   +5 more
doaj   +1 more source

Secrecy performance of two‐way integrated satellite terrestrial relay networks with multiple users

open access: yesElectronics Letters, 2022
This letter studies the secrecy performance for a two‐way integrated satellite terrestrial relay networks. Particularly, multiple legitimate users along with maximal user scheduling scheme are applied in the considered networks.
Dongmei Yang   +4 more
doaj   +1 more source

Physical Layer Security in Interference-Limited Land Mobile Satellite Communication Systems: Safeguarding Data Transmission

open access: yesInternational Journal of Emerging Research in Engineering, Science, and Management, 2023
This paper focuses on evaluating the secrecy performance of a downlink land mobile satellite (LMS) system. The system faces the challenge of providing secure communication between a satellite and a legitimate user while an eavesdropper is present on the ...
Mahesh Nelavalli, K Subrahmanyam
doaj   +1 more source

Accounting for secrets [PDF]

open access: yes, 2013
The Soviet dictatorship used secrecy to shield its processes from external scrutiny. A system of accounting for classified documentation assured the protection of secrets.
Harrison, Mark
core   +1 more source

Rate Adaption for Secure HARQ-CC System with Multiple Eavesdroppers

open access: yesEntropy, 2020
In this paper, we studied the secure transmission of a hybrid automatic repeat request with chase combining (HARQ-CC) system, under the existence of multiple eavesdroppers and limited latency.
Yue Wu   +4 more
doaj   +1 more source

On the Secrecy Performance of SWIPT Receiver Architectures with Multiple Eavesdroppers [PDF]

open access: yesWireless Communications and Mobile Computing, 2018
Physical layer security (PLS) has been shown to hold promise as a new paradigm for securing wireless links. In contrast with the conventional cryptographic techniques, PLS methods exploit the random fading in wireless channels to provide link security.
Furqan Jameel   +4 more
openaire   +4 more sources

Secrecy performance analysis on cooperative CR-NOMA network

open access: yesTongxin xuebao, 2020
In order to improve the secrecy performance of communication system and make efficient use of limited spectrum,overlay cognitive radio (OCR) technology was combined with non-orthogonal multiple access (NOMA) technology and the communication model was ...
Zhen YANG, Mengyao ZHU, Youhong FENG
doaj  

STAR‐RIS‐assisted scheme for enhancing physical layer security in NOMA systems

open access: yesIET Communications, 2022
Simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR‐RIS) is capable of achieving full coverage area compared with conventional reflection‐only reconfigurable intelligent surface (RIS).
Shu Xu   +4 more
doaj   +1 more source

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