[1]孟庆民,龚家乐,曾桂根,等. 5G多天线系统中毫米波物理层安全设计[J].计算机技术与发展,2016,26(02):91-94.
　MENG Qing-min,GONG Jia-le,ZENG Gui-gen,et al. Design of Millimeter Wave Physical Layer Security in 5 G Multi Antenna System[J].,2016,26(02):91-94.
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 5G多天线系统中毫米波物理层安全设计()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
26
期数:
2016年02期
页码:
91-94
栏目:
安全与防范
出版日期:
2016-02-10

文章信息/Info

Title:
 Design of Millimeter Wave Physical Layer Security in 5 G Multi Antenna System
文章编号:
1673-629X（2016)02-0091-04
作者:
 孟庆民; 龚家乐; 曾桂根; 刘传顺
 1.南京邮电大学 信号处理与传输研究院；2. 南京邮电大学 无线传感器与宽带无线通信教育部重点实验室
Author(s):
 MENG Qing-min; GONG Jia-le; ZENG Gui-gen; LIU Chuan-shun
关键词:
 ; MIMO; 安全容量; 三维信道空间模型; mmWave; 5G 知识脉络 信道建模
Keywords:
 ; MIMO; secure capacity; 3D SCM; mmWave; 5G; channel modeling
分类号:
TP39
文献标志码:
A
摘要:
 三维MIMO(3D Multiple Input Multiple Output,3D MIMO)技术是一种提高第5代( The Fifth Generation,5G)无线网络覆盖和频谱效率的潜在技术。三维信道空间模型(Three-Dimensional SCM,3D SCM)作为3D MIMO技术的一部分,它在2D SCM的基础上增加了垂直维自由度。在考虑毫米波段传输方案基础上,文中重点探讨了3D SCM对物理层安全设计的影响。首先简述了2D SCM和3D SCM模型,接着基于毫米波段路径损耗模型,主要研究3D SCM如何影响毫米波段的安全容量。文中采用1.9 GHz频段和28 GHz及73 GHz两个毫米波频段,引入相应的路径损耗模型,最后在不同载波频率以及基站下倾角下采用计算机仿真评估了毫米波通信的信道安全容量。结果表明,相对于传统2D SCM模型,3D SCM在28 GHz和73 GHz频段上的安全容量有一定程度的提升。与此同时,适当地调整基站天线阵列的下倾角也利于优化期望用户的安全容量。
Abstract:
 Three-dimensional Multiple Input Multiple Output (3D MIMO) is one of potential techniques to improve coverage and spec-trum efficiency of 5G networks. Three-dimensional channel model (3D SCM),as an important part of 3D MIMO technology,has the ad-ditional vertical dimension of freedom compared with Two-dimensional channel model (2D SCM). The effect of 3D SCM to the physi-cal layer security design is discussed in this paper where mmWave communications are considered. Firstly it outlines the 2D SCM and the 3D SCM model,and then by using the mmWave path loss models,analyzes the effect on security capacity of 5G mmWave communica-tions systems based on 3D SCM. In this paper,the 1. 9 GHz band and two millimeter wave frequency bands,28 GHz and 73 GHz,are used, and the two path loss models are introduced. Finally the secure capacity performance of the millimeter-wave communication scheme is eval-uated by using computer simulations under the different carrier frequencies and different base station downtilts. The results show that com-pared with traditional 2D SCM,the security capacity of 3D SCM has a certain increase under the 28 GHz band and the 73 GHz band. Mean-while,right adjustment of the base station antenna array tilt angle can also be benefit to optimize the security capacity of the desired user.

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更新日期/Last Update: 2016-04-15