• KSII Transactions on Internet and Information Systems
    Monthly Online Journal (eISSN: 1976-7277)

Cooperative Beamformer Design for Improving Physical Layer Security in Multi-Hop Decode-and-Forward Relay Networks

Vol. 10, No. 1, January 30, 2016
10.3837/tiis.2016.01.011, Download Paper (Free):

Abstract

In this paper, we consider secure communications in multi-hop relaying systems, where multiple decode-and-forward (DF) relays are located at each individual hop and perform cooperative beamforming to improve physical layer security. In order to determine the cooperative relay beamformer at each hop, we propose an iterative beamformer update scheme using semidefinite relaxation and bisection techniques. Numerical results are presented to verify the secrecy rate performance of the proposed scheme.


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Cite this article

[IEEE Style]
H. Lee, J. Lee, S. Kim, "Cooperative Beamformer Design for Improving Physical Layer Security in Multi-Hop Decode-and-Forward Relay Networks," KSII Transactions on Internet and Information Systems, vol. 10, no. 1, pp. 187-199, 2016. DOI: 10.3837/tiis.2016.01.011.

[ACM Style]
Han-Byul Lee, Jong-Ho Lee, and Seong-Cheol Kim. 2016. Cooperative Beamformer Design for Improving Physical Layer Security in Multi-Hop Decode-and-Forward Relay Networks. KSII Transactions on Internet and Information Systems, 10, 1, (2016), 187-199. DOI: 10.3837/tiis.2016.01.011.

[BibTeX Style]
@article{tiis:20967, title="Cooperative Beamformer Design for Improving Physical Layer Security in Multi-Hop Decode-and-Forward Relay Networks", author="Han-Byul Lee and Jong-Ho Lee and Seong-Cheol Kim and ", journal="KSII Transactions on Internet and Information Systems", DOI={10.3837/tiis.2016.01.011}, volume={10}, number={1}, year="2016", month={January}, pages={187-199}}