基于扰动理论无线物理层安全模型及敏度分析

doi::10.3969/j.issn.1000-436X.2013.06.024

通信学报 ›› 2013, Vol. 34 ›› Issue (6): 201-206.doi: :10.3969/j.issn.1000-436X.2013.06.024

• 学术通信 • 上一篇

基于扰动理论无线物理层安全模型及敏度分析

卫红权,罗文宇,兰巨龙,陈鸿昶

国家数字交换系统工程技术研究中心，河南郑州 450002

出版日期:2013-06-25 发布日期:2017-07-20
基金资助:
国家重点基础研究发展计划（“973”计划）基金资助项目;国家重点基础研究发展计划（“973”计划）基金资助项目;国家自然科学基金资助项目

Wireless physical-layer security model based on perturbation theory and sensitivity analysis

Hong-quan WEI,Wen-yu LUO,Ju-long LAN,Hong-chang CHEN

National Digital Switching System Engineering ＆ Technological Research Center, Zhengzhou 450002, China

Online:2013-06-25 Published:2017-07-20
Supported by:
The National Basic Research Program of China(973 Program);The National Basic Research Program of China(973 Program);The National Natural Science Foundation of China

摘要/Abstract

摘要：

针对无线物理层安全多种代表模型在理论描述或者实际应用方面存在一定的局限性这一问题，基于扰动理论研究，提出了一种适用于频率选择性衰落环境的物理层安全模型，该模型能够通过调节扰动阈值来平衡实际系统的可用性和安全性。最后通过敏度分析和应用实例说明了模型的有效性和可靠性。

关键词: 安全模型, 无线通信, 低截获概率, 敏度分析

Abstract:

Many typical models had been proposed for wireless physical-layer security, which have some disadvantages and limitations in theoretical analysis or implementation respectively. Considering these shortages brought about by the existing works, a physical-layer security model used in frequency selective fading channel based on perturbation theory was proposed. The proposed model finds a tradeoff between the availability and the security of the practical system by adjusting the threshold of perturbation. At last, the validity and feasibility are illustrated by the sensitivity analysis and application example.

Key words: security model, wireless communication, low probability of interception, sensitivity analysis

卫红权,罗文宇,兰巨龙,陈鸿昶. 基于扰动理论无线物理层安全模型及敏度分析[J]. 通信学报, 2013, 34(6): 201-206.

Hong-quan WEI,Wen-yu LUO,Ju-long LAN,Hong-chang CHEN. Wireless physical-layer security model based on perturbation theory and sensitivity analysis[J]. Journal on Communications, 2013, 34(6): 201-206.

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参考文献 15

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参数	1			多径条数
参数	1	2	3	4	5	6
衰减/dB	?2.5	0	?12.8	?10.0	?25.2	?16.0
时延/ns	0	300	8900	12900	17100	20000

参数	1		多径条数
参数	1	2	3	4	5	6
衰减/dB	?2.5	?0.9	?4.9	?8.0	7.8	?23.9
时延/ns	0	200	800	1 200	2 300	3 700

基于扰动理论无线物理层安全模型及敏度分析

Wireless physical-layer security model based on perturbation theory and sensitivity analysis

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