Abstract
In this paper, a single hop wireless relaying system, employing energy harvesting (EH) is proposed, where an information is transmitted from source to destination with the help of a relay in the presence of an eavesdropper. In this proposed system, source and relay utilizes EH technique for obtaining energy from a power beacon. The EH technique employed in this system is time switching EH technique. The secrecy performance of the proposed system is investigated for two cooperative schemes: decode-and-forward (DF), and amplify-and-forward (AF). The proposed system with EH technique provides improvement in secrecy rate, energy efficiency and power consumption as compared to that of the conventional scheme, as in the proposed system, nodes are powered up with EH technique, instead of using individual batteries. The secrecy rate of the proposed system with EH is higher than that of the conventional system by 8.89% for AF relay and by 9.83% for DF relay at a distance of 70 m between the relay and the eavesdropper. Also, it is shown by the resulting analysis that the AF relays have better secrecy rate than that of the DF relays in both proposed system and conventional system.
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Jindal, P., Sinha, R. (2017). Physical Layer Security with Energy Harvesting in Single Hop Wireless Relaying System. In: Kim, K., Joukov, N. (eds) Information Science and Applications 2017. ICISA 2017. Lecture Notes in Electrical Engineering, vol 424. Springer, Singapore. https://doi.org/10.1007/978-981-10-4154-9_29
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DOI: https://doi.org/10.1007/978-981-10-4154-9_29
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