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5G毫米波通信—物理层安全预编码

发布时间:2021-07-27  作者:倪云云,陈伯庆,李刚  阅读量:

5G 毫米波通信中的物理层安全预编码

倪云云1,陈伯庆1,李刚2
(1.南京邮电大学,中国 南京 210003; 2.中兴通讯股份有限公司,中国 深圳,518057)

摘要:安全预编码是一种信号处理技术,即发送端根据信道状态信息设计预编码矩阵,从而对信号进行预处理。该技术旨在保证合法用户通信质量的前提下,恶化窃听信道,在信息理论意义上实现无线通信系统的安全传输。认为物理层安全技术与移动通信的发展密不可分,利用毫米波信道稀疏特性开发物理层安全预编码技术,有望实现 5G 通信与安全一体化发展。  
关键词:5G;毫米波;物理层;安全通信;预编码  


Physical Layer Secure Precoding in 5G Millimeter Wave Communication Systems

NI Yunyun1, CHEN Boqing1, LI Gang2
(1. Nanjing University of Posts and Telecommunications, Nanjing 210003, China; 2. ZTE Corporation, Shenzhen 518057, China)

Abstract: Secure precoding is a signal processing technique. Precoding matrix is designed at the transmitter to pre-process signal based on channel state information, aiming to ensure the communication quality for legitimate users and worsen the eavesdroppers' channels. Secure transmission of wireless communication systems is realized in the sense of information theory. The physical layer security technology is inseparable from the development of mobile communication. By developing physical layer security precoding technology with millimeter-wave channel sparse characteristics, it is expected to realize the integrated development of 5G communication and security.  
Keywords: 5G; millimeter wave; physical layer; secure communications; precoding

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