说明：  一篇关于全双工中继系统中网络物理层安全的论文，发表于ARXIV，2015年。是一篇具有指导意义的文章，建议相关行业的朋友下载阅读学习。
(A full-duplex relay system on the network physical layer security papers, published in ARXIV, 2015 . Is an instructive article, suggested that the relevant industry friends to download learning to read.)