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International Conference on Computer and Information Technology (ICCIT)

Secure Outage Performance Analysis of Power Beacon Assisted Short Packet Wireless Networks in the Presence of Multiple Eavesdroppers

Abdullah Al Noman, Md. Zahurul I. Sarkar, Abid Hasan

Published Dec 19, 2025• 0 citations
Publisher

Abstract

This paper analyzes the secure outage performance of a power beacon (PB)-assisted wireless network employing short packet communication. We consider a system where an EH transmitter communicates with a legitimate receiver under the threat of multiple eavesdroppers. We derive closed-form expressions for key secrecy metrics: the probability of nonzero secrecy capacity (PNSC), intercept probability, and secure outage probability (SOP) over Nakagami-$m$fading channels. Our analysis delineates the joint impact of the transmit signal-to-noise ratio (SNR), fading severity, channel parameters, the number of eavesdroppers, and additionally demonstrates how energy conversion efficiency of the harvesting circuit influences secrecy behavior in practice. The analytical findings are further validated through Monte-Carlo simulations, which confirm the accuracy of the derived expressions. The findings demonstrate that strategic system design, particularly strengthening the main channel in a proper way, improving harvesting duration, and ensuring efficient energy conversion, can effectively mitigate eavesdropping risks and ensure confidentiality. This work provides critical aspects for securing future energy constrained Internet of Things (IoT) networks where short packets and robust data privacy are essential.

DOI
10.1109/iccit68739.2025.11491436

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This paper analyzes the secure outage performance of a power beacon (PB)-assisted wireless network employing short packet communication. We consider a system where an EH transmitter communicates with a legitimate receiver under the threat of multiple eavesdroppers. We derive closed-form expressions for key secrecy metrics: the probability of nonzero secrecy capacity (PNSC), intercept probability, and secure outage probability (SOP) over Nakagami-mmmfading channels. Our analysis delineates the joint impact of the transmit signal-to-noise ratio (SNR), fading severity, channel parameters, the number of eavesdroppers, and additionally demonstrates how energy conversion efficiency of the harvesting circuit influences secrecy behavior in practice. The analytical findings are further validated through Monte-Carlo simulations, which confirm the accuracy of the derived expressions. The findings demonstrate that strategic system design, particularly strengthening the main channel in a proper way, improving harvesting duration, and ensuring efficient energy conversion, can effectively mitigate eavesdropping risks and ensure confidentiality. This work provides critical aspects for securing future energy constrained Internet of Things (IoT) networks where short packets and robust data privacy are essential.
Power Beacon (PB)-assisted short packet wireless networks refer to systems where energy limited transmitters first harvest wireless power from a dedicated PB before transmitting short confidential data packets under strict latency constraints. In this paper, we explore the secrecy performance of such networks in the presence of multiple eavesdroppers. Specifically, we develop a novel closed form mathematical expression for the ergodic secrecy capacity (ESC) over Nakagami-m fading channels, which captures the joint effect of wireless energy transfer and fading dynamics. The accuracy of the analytical findings is further validated through Monte-Carlo simulations, showing excellent agreement with the theoretical results. Our results demonstrate that optimizing the fading parameters and channel configurations significantly enhances secrecy capacity, particularly at high transmit signal-to-noise ratio (SNR), while also revealing the existence of an optimal energy harvesting length for secure transmission. This study not only establishes a solid theoretical foundation for secrecy in PB-assisted short packet systems but also provides valuable guidelines for designing secure, ultra reliable, and energy efficient Internet of Things (IoT) and wireless networks.
This paper investigates the physical-layer secure performance of a multi-power beacon-empowered wirelessly powered communication system in the surveillance of an external eavesdropper. Specifically, a limited-energy source harvests energy from multiple dedicated power beacons in the first time slot and reuses it to perform data transmission in the second time slot. However, its communication with the destination is wiretapped by a potentially idle untrusted user. Thus, to evaluate the secure performance of the considered system, we have derived closed-form expressions for the secrecy outage probability (SOP) metric in terms of both exact and asymptotic aspects. Through these formulas, we then provide a series of numerical discussions on how to configure the number setting of the power beacon, the energy harvesting parameters as well as scheduling time to improve the SOP performance, where the Monte-Carlo simulation method is used to verify the developed mathematical framework.
The paper focuses on investigating secure transmission in wireless powered communication networks (WPCN) that involve multiple energy-constrained relays and one energy-constrained source.The energy is harvested from a power beacon (PB) while operating in the presence of a passive eavesdropper.The study primarily aims to achieve energy-efficient secure communications by examining the impact of channel estimation on the secrecy performance of WPCN under both perfect and imperfect CSI scenarios.To obtain practical insights on improving security and energy efficiency, we propose closed-form expressions for secrecy outage probability (SOP) under the linear energy harvesting (LEH) model of WPCN.Furthermore, we suggest a search method to optimize the secure energy efficiency (SEE) with limited power from PB.The research emphasizes the significance of channel estimation in maintaining the desired performance levels in WPCN in real-world applications.The theoretical results are validated through simulations to ensure their accuracy and reliability.
Nowadays, physical layer secrecy has become the new approach to enhance information security of wireless networks and have attracted the attention of lot of researchers in the world. This paper investigates the physical layer secrecy performance of radio frequency energy harvesting (RF-EH) networks over Rayleigh fading channels. The considered RF-EH system consists of multiple power transfer stations, one source and multiple destinations in the presence of multiple passive eavesdroppers. The best power transfer station and the best received signal at destination is selected among multiple power transfer stations and among multiple destinations respectively. By using statistical characteristics of the signal-to-noise ratio (SNR), the exact closed-form expressions of existence probability of secrecy capacity and secrecy outage probability are derived. Finally, simulation results confirm an agreement between our analysis and equivalent Monte-Carlo simulations.
The secrecy performance of wireless networks powered up by a dedicated power beacon (PB) is addressed in this work. Particularly, the closed-form expression of the secrecy outage probability (SOP) under the presence of multiple eavesdroppers is given. The considered networks are asymmetric since there are multiple eavesdroppers but only a single legitimate receiver. As a consequence, two wiretap schemes are employed, namely, non-colluding and colluding schemes, to take advantage of multiple eavesdroppers. To draw insights from the derived framework, the asymptotic framework of the SOP under the high transmit power regime is also provided. Next, Monte Carlo simulations are provided to validate the theoretical foundations of the proposed approach. Our findings show that by increasing the transmit power from −10 dB to 30 dB, the SOP ameliorates almost a thousand times. Additionally, the SOP is a monotonic decreasing function with a time-switching ratio. We also make comparisons with work in the literature in which the full-duplex relay is employed to help the legitimate link. Numerical results illustrate that the proposed network outperforms those described in the literature. Particularly, through reliance on the setup, the SOP under the proposed system is better than those of the literature by about twofold.
This paper proposes a secure wireless communication system that integrates Physical Layer Security (PLS) with Energy Harvesting (EH) to improve both data confidentiality and network sustainability. The system model consists of a source node S, powered by energy harvested from spatially distributed power stations, a multi-antenna destination node D, and an eavesdropper node E located within the communication range. A time-switching protocol enables the source node S to alternate between energy harvesting and secure data transmission. To enhance signal quality and system security, the destination node D employs Selection Combining (SC) and Maximal Ratio Combining (MRC) techniques to mitigate fading effects and eavesdropping risks. Analytical expressions for the Signal-to-Noise Ratios (SNRs) at both the destination D and the eavesdropper E are derived, along with the Probability Density Function (PDF) and Cumulative Distribution Function (CDF) of these SNRs under block Rayleigh fading conditions. Furthermore, an exact analytical formulation for Secrecy Outage Probability (SOP) is presented, quantifying the probability of information leakage under various system configurations. The proposed model is validated through extensive Monte Carlo simulations, which confirm the accuracy of the mathematical analysis of SOP. Based on simulation results, the impact of key system parameters—such as energy harvesting efficiency η, time-switching protocol parameter α, the number of antennas M at the destination node, and the number of beacon nodes N—on SOP is analyzed. The results provide valuable insights for optimizing secure and energy-efficient communication in wireless networks.