An Artificial-Noise-Aided Secure Scheme for Hybrid Parallel PLC/Wireless OFDM Systems

Shafie, Ahmed El; Marzban, Mohamed F.; Chabaan, Rakan; Al-Dhahir, Naofal

doi:10.1109/icc.2018.8422901

Cited by 17 publications

(3 citation statements)

References 11 publications

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“…The achievable rate performance of an HPW energy harvesting relay is analyzed in [12]. The physical layer security issue in OFDM based HPW is highlighted in [13], where artificial noise is used to compromise eavesdropper attacks. The design of a dualinterface relay for HPW applications is the main focus of [14].…”

Section: Depending On the Operating Frequency Plc Technology Canmentioning

confidence: 99%

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Performance Analysis of Two-Way Relaying in Cooperative Power Line Communications

Ahiadormey

Anokye

et al. 2019

IEEE Access

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This paper studies the performance of a half-duplex (HD) two-way relay (TWR) in power line communication (PLC) over a log-normal fading channel with impulsive noise. We consider the two common relaying protocols: amplify-and-forward (AF) and decode-and-forward (DF). For the DF relaying, we apply physical-layer network coding (PNC) and analog-network coding (ANC) to the PLC TWR. We derive analytic expressions for the average sum capacity and the outage probability of the system. The Monte Carlo simulations are provided throughout to validate our analysis. The analytical results show a tight approximation to the simulation results. We compare the one-way relay (OWR) to the TWR and show that the HD spectral efficiency loss incurred by the OWR can be sufficiently mitigated in PLC. However, the outage probability of the TWR is inferior to that of the OWR. To enhance the outage performance of the PLC TWR, we implement a hybrid PLC/wireless (HPW) system, where all nodes are equipped with the PLC and wireless capabilities. Data transmission occurs over the two parallel links. The diversity in the transmission allows the TWR to improve its outage performance in the AF and DF protocols. The impact of the impulsive noise, inherent to the PLC channels, is also highlighted in the simulation results. It is shown that the impulsive noise severely impairs system performance. INDEX TERMS Two-way relaying, average capacity, outage probability, power line communication (PLC), PLC/wireless diversity.

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Section: Depending On the Operating Frequency Plc Technology Canmentioning

confidence: 99%

“…, respectively. Proof: Please refer to Appendix B Corollary 1: From Theorem 2 and by combining (13), (14), and (15), the average sum capacity of the PLC DF TWR with ANC is found as…”

Section: A Average Sum Capacitymentioning

confidence: 99%

Performance Analysis of Two-Way Relaying in Cooperative Power Line Communications

Ahiadormey

Anokye

et al. 2019

IEEE Access

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“…[29] analyzed the secrecy capacity for both PLC and hybrid PLC/wireless 3 single relay channels in the presence of a passive eavesdropper. Whereas [30] introduced an artificial noise scheme to improve the security of the hybrid PLC/wireless channel. Last, [31] assessed PLS of the low-bitrate hybrid PLC/wireless channel and its incomplete versions by adopting achievable ergodic secrecy rate and secrecy outage probability.…”

Section: Introductionmentioning

confidence: 99%

PLC Systems Under the Presence of a Malicious Wireless Communication Device: Physical Layer Security Analyses

Camponogara

Poor

Ribeiro

2020

IEEE Systems Journal

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This paper investigates the physical layer security (PLS) of a broadband in-home power line communication (PLC) system when a malicious wireless device tries to eavesdrop private messages exchanged between two PLC devices. Such a security issue arises when electric power circuits, which are used for data communication, are constituted by unshielded power cables. In this regard, the hybrid wiretap channel model for formulating achievable secrecy rate and secrecy outage probability is considered. Additionally, a data set of channel estimates and measured additive noises obtained from a measurement campaign carried out in several in-home facilities is used for providing practical results, which can offer direction for dealing with the security aspects of broadband in-home PLC systems in the physical layer perspective. The attained results show high values of secrecy outage probability for all chosen values of target secrecy rate and total power transmission (practical and theoretical) when the PLC devices are far from each other and the eavesdropper is close to the PLC transmitter (i.e., the distance is shorter than 2 meters). Overall, the numerical results show that the vulnerability of broadband in-home PLC systems, in terms of PLS, is relevant when practical values of total transmission power apply. Therefore, a rethinking of the use of unshielded power cables or new designs of the broadband in-home PLC system deserves special attention for ensuring security at the physical layer.Index Terms-Physical layer security, power line communications, wireless communications, hybrid wiretap channel model, secrecy outage probability.

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Jamming precoding in AF relay-aided PLC systems with multiple eavessdroppers

Kong,

Cui,

Ding

et al. 2024

Sci Rep

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Enhancing information security has become increasingly significant in the digital age. This paper investigates the concept of physical layer security (PLS) within a relay-aided power line communication (PLC) system operating over a multiple-input multiple-output (MIMO) channel based on MK model. Specifically, we examine the transmission of confidential signals between a source and a distant destination while accounting for the presence of multiple eavesdroppers, both colluding and non-colluding. We propose a two-phase jamming scheme that leverages a full-duplex (FD) amplify-and-forward (AF) relay to address this challenge. Our primary objective is to maximize the secrecy rate, which necessitates the optimization of the jamming precoding and transmitting precoding matrices at both the source and the relay while adhering to transmit power constraints. We present a formulation of this problem and demonstrate that it can be efficiently solved using an effective block coordinate descent (BCD) algorithm. Simulation results are conducted to validate the convergence and performance of the proposed algorithm. These findings confirm the effectiveness of our approach. Furthermore, the numerical analysis reveals that our proposed algorithm surpasses traditional schemes that lack jamming to achieve higher secrecy rates. As a result, the proposed algorithm offers the benefit of guaranteeing secure communications in a realistic channel model, even in scenarios involving colluding eavesdroppers.

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An Artificial-Noise-Aided Secure Scheme for Hybrid Parallel PLC/Wireless OFDM Systems

Cited by 17 publications

References 11 publications

Performance Analysis of Two-Way Relaying in Cooperative Power Line Communications

Performance Analysis of Two-Way Relaying in Cooperative Power Line Communications

PLC Systems Under the Presence of a Malicious Wireless Communication Device: Physical Layer Security Analyses

Jamming precoding in AF relay-aided PLC systems with multiple eavessdroppers

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