| Ding Fei (丁飞),Song Aiguo,Li Jianqing,Wu Zhenyang.[J].高技术通讯(英文),2014,20(4):390~394 |
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| Secrecy rate analysis of dual-hop AF relay wiretap channel |
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| DOI：10.3772/j.issn.1006-6748.2014.04.008 |
| 中文关键词: |
| 英文关键词: secrecy rate, information-theoretic security, amplify-and-forward (AF), dual-hop, relay, wiretap channel |
| 基金项目: |
| Author Name | Affiliation | | Ding Fei (丁飞) | | | Song Aiguo | | | Li Jianqing | | | Wu Zhenyang | |
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| 中文摘要: |
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| 英文摘要: |
| An amplify-and-forward (AF) dual-hop relay is proposed for secure communication within Wyner’s wiretap channel. Based on an information-theoretic formulation, the average secrecy rate is characterized when two legitimate partners communicate over a quasi-static fading channel. Theoretical analysis and simulation results show that both cooperative strategies of average power scaling (APS) and instantaneous power scaling (IPS) are proved to be able to achieve information-theoretic security, and eavesdropper is unable to decode any information. |
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