| Wu Guodong（武国栋）,Hu Zhentao,Jin Yong.[J].高技术通讯(英文),2020,26(2):204~210 |
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| Physical layer security transmission algorithm based on cooperative beamforming in SWIPT system |
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| DOI：doi：10.3772/j.issn.1006-6748.2020.02.010 |
| 中文关键词: |
| 英文关键词: simultaneous wireless information and power transfer (SWIPT), beamforming, cooperative jamming (CJ), zero-forcing (ZF), secrecy communication |
| 基金项目: |
| Author Name | Affiliation | | Wu Guodong（武国栋） | (School of Computer and Information Engineering, Henan University, Kaifeng 475004, P.R.China ) | | Hu Zhentao | (School of Computer and Information Engineering, Henan University, Kaifeng 475004, P.R.China ) | | Jin Yong | (School of Computer and Information Engineering, Henan University, Kaifeng 475004, P.R.China ) |
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| 中文摘要: |
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| 英文摘要: |
| Physical layer security transmission issue in simultaneous wireless information and power transfer (SWIPT) relay network with multiple eavesdropers is investigated in this paper. A novel cooperative beamforming algorithm is proposed to balance performance of cooperative jamming method and zero-forcing method. Using location prior information of eavesdropper, the proposed method imposes zero-forcing constraints on the capable eavesdropper and cooperative jamming on remaining weak eavesdropper, respectively. Compared with classical cooperative jamming or zero-forcing methods, the proposed method can compromise computational complexity and secrecy rate. Performance of the method is verified by simulation experiments. |
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