Physical layer security authentication method based on large-scale fading characteristics

A large-scale fading, physical layer security technology, applied in security devices, electrical components, wireless communications and other directions, can solve problems such as application scenario limitations

Active Publication Date: 2019-07-05
UNIV OF ELECTRONIC SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the application scenarios of the existing physical layer security authentication technology based on channel information still have great limitations

Method used

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  • Physical layer security authentication method based on large-scale fading characteristics
  • Physical layer security authentication method based on large-scale fading characteristics
  • Physical layer security authentication method based on large-scale fading characteristics

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Embodiment Construction

[0030] The solution in the summary of the invention is the best implementation solution of the present invention, and will not be repeated here.

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Abstract

The invention belongs to the technical field of wireless communication, and relates to a physical layer security authentication method based on large-scale fading characteristics. According to the method, a large amount of channel information in one information packet is analyzed to obtain large-scale fading characteristics, and the correlation degree of the large-scale fading characteristics corresponding to the adjacent information packets is obtained by utilizing the normalized Euclidean distance, so that the Neyman-Pearson) verification is carried out to authenticate the identity of the user. According to the method, the user is authenticated on the basis of the large-scale fading characteristics of the channel, and compared with instantaneous channel information, the related conditions of the large-scale fading characteristics are looser, namely, when the moving distance of the user is large, certain correlation can still be kept between the large-scale fading characteristics corresponding to the user before and after moving.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and relates to a physical layer security authentication method based on large-scale fading characteristics. Background technique [0002] The broadcast feature of wireless network makes it face various attacks and many security threats. For example, a device can easily change its Media Access Control (MAC) layer address to declare itself to be another device. This makes wireless networks face very serious threats. From session hijacking to attacking access control lists, there are many attacks caused by malicious users masquerading as other users. However, the traditional security authentication is realized with the help of secret keys. The distribution and management of secret keys make the traditional security methods very complicated. On the other hand, with the continuous improvement of computer capabilities, traditional secret key methods have great big hole. [0003] As a...

Claims

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Application Information

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IPC IPC(8): H04W12/06H04W12/08
CPCH04W12/08H04W12/06H04L63/16
Inventor 王倩陈智李航赵豆叶爽蔡建生陈文荣
Owner UNIV OF ELECTRONIC SCI & TECH OF CHINA
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