Secrecy Performance Analysis of RIS-Aided Smart Grid Communications

Kaveh, Masoud; Yan, Zheng; Jäntti, Riku

doi:10.1109/tii.2023.3333842

Cited by 6 publications

(2 citation statements)

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“…[25] investigated the secrecy performance of a cooperative vehicular relaying network in the presence of an interference source and proposed a power allocation model to reduce the SOP of the source and relay transmission powers. In addition, some new technologies have been introduced to improve secrecy performance, such as beamforming [27,28], cooperative jammers [17,29,30], and reconfigurable intelligent surfaces (RIS) [31][32][33][34], especially RIS, which is considered one of the critical 6G technologies for its outstanding advantages in energy efficiency, adaptability, interference management, signal control, and, notably, secrecy performance.…”

Section: Related Workmentioning

confidence: 99%

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Secrecy and Throughput Performance of Cooperative Cognitive Decode-and-Forward Relaying Vehicular Networks with Direct Links and Poisson Distributed Eavesdroppers

Wang,

Li,

Xie

et al. 2024

Electronics

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Cooperative communication and cognitive radio can effectively improve spectrum utilization, coverage range, and system throughput of vehicular networks, whereas they also incur several security issues and wiretapping attacks. Thus, security and threat detection are vitally important for such networks. This paper investigates the secrecy and throughput performance of an underlay cooperative cognitive vehicular network, where a pair of secondary vehicles communicate through a direct link and the assistance of a decode-and-forward (DF) secondary relay in the presence of Poisson-distributed colluding eavesdroppers and under an interference constraint set by the primary receiver. Considering mixed Rayleigh and double-Rayleigh fading channels, we design a realistic relaying transmission scheme and derive the closed-form expressions of secrecy and throughput performance, such as the secrecy outage probability (SOP), the connection outage probability (COP), the secrecy and connection outage probability (SCOP), and the overall secrecy throughput, for traditional and proposed schemes, respectively. An asymptotic analysis is further presented in the high signal-to-noise ratio (SNR) regime. Numerical results illustrate the impacts of network parameters on secrecy and throughput and reveal that the advantages of the proposed scheme are closely related to the channel gain of the relay link compared to the direct link.

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Section: Related Workmentioning

confidence: 99%

“…with the aid of the F γ SRD (x) in ( 31), the f γ SD (x) in ( 11), ( 32) can be rewritten as follows: 33) similar to the substitution from ( 20) to (21), it can be rewritten as:…”

Section: Rdmentioning

confidence: 99%