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卫星通信物理层安全技术研究展望
张应宪,刘爱军,王永刚,潘小飞
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(解放军理工大学通信工程学院研四队，南京 210007;2.解放军理工大学通信工程学院天基信息教研中心，南京 210007;解放军理工大学通信工程学院教研综合管理办，南京 210007)

摘要:

物理层安全技术为通信信息安全研究开辟了新的途径。论述了卫星通信物理层安全技术应用的可行性，分析了现有物理层安全技术及其应用于卫星通信的潜在问题，提出了卫星通信物理层安全可研究方向，及基于单星平台、星座平台、天基平台通信系统条件下的关键技术，展望了卫星通信物理层安全技术的发展前景。

关键词: 卫星通信物理层安全星座平台

DOI：

基金项目:

Physical layer security in satellite communications

ZHANG Ying-xian,LIU Ai-jun,WANG Yong-gang,,PAN Xiao-fei

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Abstract:

The technology of physical layer security(PLS) has provided a new way for information protection. This paper discusses the applications of P LS in satellite communications(SC). First,the foundation of PLS is introduced, a nd several popular PLS methods used in terrestrial wireless communication are rev iewed. Second, the possibilities of applying those methods on SC are discussed with different platforms, including singlesatellite, constellation and space platform. Final ly, the prospect of PLS in SC is prospected.

Key words: satellite communication physical layer security constellation platform