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Front. Inform. Technol. Electron. Eng.  2017, Vol. 18 Issue (2): 246-252    DOI: 10.1631/FITEE.1601352
Regular Papers     
Secrecy outage performance for wireless-powered relaying systems with nonlinear energy harvesters
Ji-liang Zhang, Gao-feng Pan, Yi-yuan Xie
Chongqing Key Laboratory of Nonlinear Circuits and Intelligent Information Processing, School of Electronic and Information Engineering, Southwest University, Chongqing 400715, China
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Abstract  We consider a cooperative system consisting of a source node, a destination node, N (N>1) wireless-powered relays, and an eavesdropper. Each relay is assumed to be with a nonlinear energy harvester, in which there exists a saturation threshold, limiting the level of the harvested power. For decode-and-forward and power splitting protocols, the Kth best relay is selected to assist the source-relay-destination transmission. An analytical expression for the secrecy outage probability is derived, and also verified by simulation.

Key words： Decode-and-forward      Energy harvesting      Nonlinear      Secrecy outage probability     
Received: 19 June 2016      Published: 10 February 2017
CLC:  TN929.5  
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Ji-liang Zhang, Gao-feng Pan, Yi-yuan Xie. Secrecy outage performance for wireless-powered relaying systems with nonlinear energy harvesters. Front. Inform. Technol. Electron. Eng., 2017, 18(2): 246-252.

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http://www.zjujournals.com/xueshu/fitee/10.1631/FITEE.1601352     OR     http://www.zjujournals.com/xueshu/fitee/Y2017/V18/I2/246

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