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《Telecommunication Engineering》 2013-03
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Physical Layer Security in Satellite Communications

ZHANG Ying-xian1,2,LIU Ai-jun3,WANG Yong-gang1,2,PAN Xiao-fei2(1.Postgraduate Team 4,Institute of Communication Engineering,PLA University of Science and Technology,Nanjing 210007,China;2.Space Information Research Center,Institute of Communication Engineering,PLA University of Science and Technology,Nanjing 210007,China;3.Teaching and Research Manage Department,Institute of Communication Engineering,PLA University of Science and Technology,Nanjing 210007,China)  
The technology of physical layer security(PLS) has provided a new way for information protection.This paper discusses the applications of PLS in satellite communications(SC).First,the foundation of PLS is introduced,and several popular PLS methods used in terrestrial wireless communication are reviewed.Second,the possibilities of applying those methods on SC are discussed with different platforms,including single-satellite,constellation and space platform.Finally,the prospect of PLS in SC is prospected.
【CateGory Index】: TN927.2
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