Physical Layer Security Analysis in Ambient Backscatter Communication With Node Mobility and Imperfect Channel Estimation

Muratkar, Tushar S.; Bhurane, Ankit A.; Sharma, Prabhat Kumar; Kothari, Ashwin

doi:10.1109/lcomm.2021.3123893

Cited by 18 publications

(7 citation statements)

References 14 publications

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“…The function G(j) can be written as G (j) =∆ j,2 e ∆ j −∆ j,1 Ei (−∆ j ) H ( j) + ∆ j,3 ∆ j e ∆ j −∆ j,1 Ei (−∆ j ) H ( j) + ∆ j,2 e −∆ j,1 H ( j) , (25) where j ∈ {4, 5}. If j = 4, j = 5, and vice versa.…”

Section: A Secrecy Outage Performance Analysismentioning

confidence: 99%

“…To address this problem, the physical layer security (PLS) was proposed as an effective approach to ensure the information transmission security at the physical layer, which is defined the capacity difference between the legitimate channels and the eavesdropping channels [23], [24]. The research works on PLS performance of ABcom systems are as follows [25]- [28]. The authors of [25] considered a practical ABcom scenario where both the reader and eavesdropper are in motion, and the secrecy performance was studied with imperfect channel estimation.…”

Section: Introductionmentioning

confidence: 99%

“…The research works on PLS performance of ABcom systems are as follows [25]- [28]. The authors of [25] considered a practical ABcom scenario where both the reader and eavesdropper are in motion, and the secrecy performance was studied with imperfect channel estimation. Considering that the addition noise source is unsuitable for moving vehicles, the authors in [26] proposed vehicles and pedestrians networks with ABcom where artificial noise was produced at ambient RF source to enhance the PLS performance.…”

Section: Introductionmentioning

confidence: 99%

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Physical Layer Security for Wireless-Powered Ambient Backscatter Cooperative Communication Networks

Jiang

Wang

et al. 2023

IEEE Trans. Cogn. Commun. Netw.

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Low power consumption and high spectrum efficiency as the great challenges for multi-device access to Internet-of-Things (IoT) have put forward stringent requirements on the future intelligent network. Ambient backscatter communication (ABcom) is regarded as a promising technology to cope with the two challenges, where backscatter device (BD) can reflect ambient radio frequency (RF) signals without additional bandwidth. However, minimalist structural design of BD makes ABcom security vulnerable in wireless propagation environments. By virtue of this fact, this paper considers the physical layer security (PLS) of a wireless-powered ambient backscatter cooperative communication network threatened by an eavesdropper, where a BD with nonlinear energy harvesting model cooperates with decode-andforward (DF) relay for secure communication. The PLS performance is investigated by deriving the secrecy outage probability (SOP) and secure energy efficiency (SEE). Specifically, the closed-form and

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Section: A Secrecy Outage Performance Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Physical Layer Security for Wireless-Powered Ambient Backscatter Cooperative Communication Networks

Jiang

Wang

et al. 2023

IEEE Trans. Cogn. Commun. Netw.

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“…The authors of [25] investigated the physical layer authentication by combining AmBC and NOMA technology. The authors in [26] analyzed the security of AmBC systems, which include multiple tags, readers, and eavesdroppers. The identical feature of these studies is that the transceiver is configured with perfect modules.…”

Section: Introductionmentioning

confidence: 99%

Secrecy Analysis and Prediction of Ambient Backscatter NOMA Systems With I/Q Imbalance

Sun,

Chuai,

Zeng

et al. 2024

IEEE Open J. Commun. Soc.

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In this paper, the reliability and security of ambient backscatter (AmBC) non-orthogonal multiple access (NOMA) systems on Nakagami-m distribution are studied. When an eavesdropper exists, the transmitter communicates with two NOMA users through the power domain multiplexing technology and successful interference cancellation (SIC) technology. Actually, assuming that in-phase and quadraturephase imbalance (IQI) is present in all nodes. To be specific, the precise expressions of the outage probability (OP) and intercept probability (IP) are derived. And Monte Carlo simulation coincides better with the theoretical images, which confirms the accuracy of theoretical derivation. A surprising discovery is that IQI diminishes the reliability of considered networks but strengthens confidentiality. Moreover, the decrease of the average signal-to-noise ratio (SNR) of the link from the transmitter to the eavesdropper can enhance the security. Furthermore, according to the back-propagation (BP) neural networks, we provide a forecast method to achieve real-time analysis of the security performance. Comparing to the popular machine learning algorithms, the results show that the prediction time is shorter and the prediction accuracy is averagely increased by 91.2%. Meanwhile, similar results can be obtained in the prediction of other communication models, which proves that the prediction algorithm has positive applicability.INDEX TERMS Physical layer security, non-orthogonal multiple access, in-phase and quadrature-phase imbalance, ambient backscatter communication, back-propagation neural network.

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“…Song et al [13], studied PLS with artificial noise (AN) utilized to decrease the signal-to-noise interference noise (SINR) of the eavesdropper. PLS was investigated for ambient BSC systems with multiple tags, the authors derived exact detection rates for the eavesdropper and the reader [14], [15]. Motivated by these recent ideas in securing BSC systems, we add the following contributions to the growing field of BSC security: we derive exact strictly positive secrecy capacity (SPSC) expressions as well as ergodic secrecy capacity expressions (ESC) for the backscatter communication reader with channel gain following Rayleigh distribution and we also present performance curves demonstrating the improvement of secrecy capacity at the reader.…”

Section: Introductionmentioning

confidence: 99%

Secrecy capacity analysis of bi-static backscatter communication systems

That

Nguyen

2022

Bulletin EEI

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The rapid adoption of battery-free internet-of-things (IoT) sensors in multiple environments ranging from agriculture to wildlife surveillance, has seen increased research interest in backscatter communication (BSC) technology. BSC is viewed as a potential technology to enable the further spread of sustainable battery-free IoT applications in environments and scenarios where bulkier-sized battery-powered IoT devices would be unsuitable. In this study, we investigate the secrecy capacity of a bi-static BSC network in the presence of a malicious eavesdropper. The proposed BSC system consists of a reader, multiple backscatter devices, and an eavesdropper. We derive closed-form strictly positive secrecy capacity (SPSC) expressions and ergodic secrecy capacity (ESC) expressions for the BSC reader. Monte Carlo simulations verify the exact capacity expressions.

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Physical Layer Security Analysis in Ambient Backscatter Communication With Node Mobility and Imperfect Channel Estimation

Cited by 18 publications

References 14 publications

Physical Layer Security for Wireless-Powered Ambient Backscatter Cooperative Communication Networks

Physical Layer Security for Wireless-Powered Ambient Backscatter Cooperative Communication Networks

Secrecy Analysis and Prediction of Ambient Backscatter NOMA Systems With I/Q Imbalance

Secrecy capacity analysis of bi-static backscatter communication systems

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