A physical layer network coding based modify-and-forward with opportunistic secure cooperative transmission protocol

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 Le-Ngoc, Tho (2018) A physical layer network coding based modify-and-forward with opportunistic secure cooperative transmission protocol. Mobile Networks and Applications . ISSN 1383-469X [Article] (Published online first) (doi:10.1007/s11036-018-1157-1)

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This paper investigates a new secure relaying scheme, namely physical layer network coding based modify-and-forward (PMF), in which a relay node linearly combines the decoded data sent by a source node with an encrypted key before conveying the mixed data to a destination node. We first derive the general expression for the generalized secrecy outage probability (GSOP) of the PMF scheme and then use it to analyse the GSOP performance of various relaying and direct transmission strategies. The GSOP performance comparison indicates that these transmission strategies offer different advantages depending on the channel conditions and target secrecy rates, and relaying is not always desirable in terms of secrecy. Subsequently, we develop an opportunistic secure transmission protocol for cooperative wireless relay networks and formulate an optimisation problem to determine secrecy rate thresholds (SRTs) to dynamically select the optimal transmission strategy for achieving the lowest GSOP. The conditions for the existence of the SRTs are derived for various channel scenarios.

Item Type: Article
Research Areas: A. > School of Science and Technology > Computer and Communications Engineering
Item ID: 25319
Notes on copyright: © Springer Science+Business Media, LLC, part of Springer Nature 2018. This is a post-peer-review, pre-copyedit version of an article published in Mobile Networks and Applications. The final authenticated version is available online at: http://dx.doi.org/10.1007/s11036-018-1157-1
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Depositing User: Quoc-Tuan Vien
Date Deposited: 08 Oct 2018 10:14
Last Modified: 29 Nov 2022 19:33
URI: https://eprints.mdx.ac.uk/id/eprint/25319

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