A secure network coding based modify-and-forward scheme for cooperative wireless relay networks

Vien, Quoc-Tuan ORCID logoORCID: https://orcid.org/0000-0001-5490-904X, Le, Tuan Anh ORCID logoORCID: https://orcid.org/0000-0003-0612-3717, Nguyen, Huan X. ORCID logoORCID: https://orcid.org/0000-0002-4105-2558 and Phan, Hoc (2016) A secure network coding based modify-and-forward scheme for cooperative wireless relay networks. 2016 IEEE 83rd Vehicular Technology Conference (VTC Spring). In: 2016 IEEE 83rd Vehicular Technology Conference (VTC Spring), 15-18 May 2016, Nanjing, China. ISBN 9781509016983. ISSN 1550-2252 [Conference or Workshop Item] (doi:10.1109/VTCSpring.2016.7504104)

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This paper investigates the security at the physical layer of cooperative relay communications. Inspired by the principle of physical-layer network coding (PNC), we propose a new secure relaying scheme, namely secure PNC-based modify-and-forward (SPMF). In the proposed scheme, the relay node linearly combines the decoded data from the source node with an encrypted key before conveying the mixed data to the destination node. As both the linear PNC operation and encrypted key at the relay are unknown to the eavesdropper, the SPMF scheme provides a double security level in the system. Particularly, taking into account the practical scenario of the imperfect knowledge shared between the relay and destination, the secrecy outage probability (SOP) of the proposed SPMF scheme is analysed and evaluated in comparison with modify-and-forward, cooperative jamming, decode-and-forward and direct transmission schemes. The proposed scheme is shown to achieve a performance improvement of up to 3 dB when compared to the conventional schemes under imperfect knowledge of shared information between the nodes.

Item Type: Conference or Workshop Item (Paper)
Research Areas: A. > School of Science and Technology > Computer and Communications Engineering
Item ID: 19402
Notes on copyright: © 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
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Depositing User: Quoc-Tuan Vien
Date Deposited: 19 Apr 2016 16:21
Last Modified: 13 Jun 2022 12:32
URI: https://eprints.mdx.ac.uk/id/eprint/19402

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