Abstract
This paper investigates the decode-and-forward (DF) full-duplex (FD) relaying system under the presence of an eavesdropper. Moreover, the relay node is able to harvest energy from a transmitter, and then it uses the harvested energy for conveying information to the receiver. Besides, both two-hop and direct relaying links are taking into consideration. In the mathematical analysis, we derived the exact expressions for intercept probability and outage probability (OP) by applying maximal ratio combining (MRC) and selection combining (SC) techniques at the receiver. Next, the Monte Carlo simulation is performed to validate the mathematical analysis. The results show that the simulation curves match the mathematic expressions, which confirms the analysis section.
Highlights
Radio frequency- (RF-) enabled wireless power transfer (WPT) has recently become a promising technique to overcome the energy limitation for wireless communication networks [1,2,3,4,5,6,7,8,9,10]
We consider a new system model to investigate the trade-off between physical layer security (PLS) and reliability for an energy-constrained FD relaying network
The maximal ratio combining (MRC) and selection combining (SC) protocols are exploited at the eavesdropper and destination to enhance their received rate. e research contributions are summarized as follows: Journal of Electrical and Computer Engineering (i) We present an FD- and SWIPT-assisted relaying network in decode-and-forward (DF) under the presence of a direct link
Summary
Radio frequency- (RF-) enabled wireless power transfer (WPT) has recently become a promising technique to overcome the energy limitation for wireless communication networks [1,2,3,4,5,6,7,8,9,10]. Physical layer security for relay networks received great attention from researchers [17,18,19,20,21,22]. We consider a new system model to investigate the trade-off between physical layer security (PLS) and reliability for an energy-constrained FD relaying network. An FDenabled relay node is able to get energy from a transmitter and use it to transfer signals to the a receiver. The relay node can simultaneously receive information from the source and transmit it to the destination using the FD technique. (ii) We derive closed-form expressions of intercept probability (IP) at the eavesdropper E and outage probability (OP) at the destination D in maximal ratio combining (MRC) and selection combining (SC) techniques. A trade-off between IP and OP can provide many insightful and useful perspectives for system designers
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