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《Telecommunications Science》 2011-09
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Physical Layer Security:Survey and Future

Long Hang1,Yuan Guangxiang2,Wang Jing1,Liu Yuanan1(1.Key Laboratory of Universal Wireless Communication,Ministry of Education,Beijing University of Posts & Telecommunications,Beijing 100876,China;2.Telecommunication technology Labs,China Academy of Telecommunication Research of MIIT,Beijing 100191,China)  
Physical layer security is becoming an emerging research area of information security and wireless communications.In this paper,the background and state-of-the-art of physical layer security are reviewed and the future of research is pointed out.The variance and exclusion of wireless resource,as well as the development of physical layer transmission techniques,bring up plenty of opportunities for physical layer security.Based on the secrecy capacity research of the wire-tap channel,physical layer authentication/key generation/identification methods are the current popular research topics.
【Fund】: 中国博士后基金资助项目(No.20110490329);; 国家自然科学基金资助项目(No.60802082);; “十一五”国家科技重大专项资助项目(No.2009ZX03003-008-01)
【CateGory Index】: TP309
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