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

Increasing Secrecy Capacity via Joint Design of Cooperative Beamforming and Jamming


Abstract

In this paper, we propose a hybrid cooperative scheme to improve the secrecy rate for a cooperative network in presence of multiple relays. Each relay node transmits the mixed signal consisting of weighted source signal and intentional noise. The problem of power allocation, the joint design of beamforming and jamming weights are investigated, and an iterative scheme is proposed. It is demonstrated by the numerical results that the proposed hybrid scheme further improves secrecy rate, as compared to traditional cooperative schemes.


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Cite this article

[IEEE Style]
Xinrong Guan, Yueming Cai, Weiwei Yang, Yunpeng Cheng and Junquan Hu, "Increasing Secrecy Capacity via Joint Design of Cooperative Beamforming and Jamming," KSII Transactions on Internet and Information Systems, vol. 6, no. 4, pp. 1041-1062, 2012. DOI: 10.3837/tiis.2012.04.005

[ACM Style]
Guan, X., Cai, Y., Yang, W., Cheng, Y., and Hu, J. 2012. Increasing Secrecy Capacity via Joint Design of Cooperative Beamforming and Jamming. KSII Transactions on Internet and Information Systems, 6, 4, (2012), 1041-1062. DOI: 10.3837/tiis.2012.04.005