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A base station forwarding multi-antenna processing method considering wireless physical layer security

A physical layer security and base station technology, applied in radio transmission systems, electrical components, transmission systems, etc., can solve problems such as no reliable security methods, achieve good application prospects, easy implementation, and the effect of suppressing malicious eavesdropping behavior

Active Publication Date: 2019-06-11
STATE GRID JIANGSU ELECTRIC POWER CO ELECTRIC POWER RES INST +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although many achievements have been made in the technical research of multi-antenna technology, the research on using the multi-antenna technology to solve the physical layer security problem is still in its infancy, and there is no reliable security method, which is a problem to be solved at present.

Method used

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  • A base station forwarding multi-antenna processing method considering wireless physical layer security
  • A base station forwarding multi-antenna processing method considering wireless physical layer security
  • A base station forwarding multi-antenna processing method considering wireless physical layer security

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0019] The base station forwarding multi-antenna processing method considering wireless physical layer security of the present invention comprises the following steps,

[0020] A base station forwarding multi-antenna processing method considering wireless physical layer security, characterized in that: comprising the following steps,

[0021] Step (1), suppose the sender (Alice) sends a private message to the receiver (Bob), the private message is forwarded by the base station, there is a malicious eavesdropper (Eve), the base station and the malicious eavesdropper are respectively configured with N R with N E Root antenna, establish a system block diagram between base station, sender, receive...

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Abstract

The invention relates to a base-station forwarding multi-antenna processing method concerning wireless physical layer safety. A multi-antenna uplink receiving matrix and a downlink transmitting pre-coding matrix of a base station are used for reducing the risk of the eavesdropping of private information between a transmitter and a receiver. The method effectively inhibits malicious eavesdropping behaviors of a malicious eavesdropper through increasing number of base station side antennas. In an actual scene, the private information is transmitted through a base station relay, and the base station can obtain the statistical information of an eavesdropping channel in the actual scene, thereby reducing the outage probability of safety transmission between the transmitter and the receiver. The method is simple and practical, is easy to implement, and is good in application prospect.

Description

technical field [0001] The invention relates to a base station forwarding multi-antenna processing method considering wireless physical layer security, and belongs to the technical field of mobile communication. Background technique [0002] At present, wireless physical layer security has gradually attracted the attention of researchers. Due to the broadcast characteristics of wireless signals, malicious eavesdroppers can easily obtain and crack users' private information, thus posing a serious threat to wireless users' information security. As early as the 1970s, scientists at Bell Labs gave the definition of physical layer security capacity, that is, when a sender (Alice) sends private data to a receiver (Bob), there is a malicious eavesdropper ( Eve) trying to receive their private information, under this model, the physical layer secure channel capacity is defined as the maximum secure communication rate of the main communication channel between Alice and Bob, and the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/0456
CPCH04B7/0456
Inventor 朱道华郭雅娟姜海涛李岩黄伟王小波周超郭静陈锦铭李斌王黎明潘裕庆朱朝阳景栋盛
Owner STATE GRID JIANGSU ELECTRIC POWER CO ELECTRIC POWER RES INST
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