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Transmission precoding method for full duplex secure communication system

A technology for transmitting precoding and secure communication, applied in the field of full-duplex secure communication

Active Publication Date: 2016-08-10
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] For attached figure 1 As far as the communication system shown is concerned, the technical problem is: how to optimize the transmit precoding matrix (also called covariance matrix) of the first source and the second source, so as to reduce interference while ensuring safety, so that the system Maximize capacity

Method used

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  • Transmission precoding method for full duplex secure communication system
  • Transmission precoding method for full duplex secure communication system
  • Transmission precoding method for full duplex secure communication system

Examples

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Embodiment Construction

[0012] Exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be understood that the implementations shown and described in the drawings are only exemplary, intended to explain the principle and spirit of the present invention, rather than limit the scope of the present invention.

[0013] refer to figure 2 , figure 2 It is a flow chart of an embodiment 200 of the transmission precoding method used in the full-duplex secure communication system of the present invention. figure 2 The illustrated embodiment 200 may include steps 201 to 204 as follows.

[0014] It should be noted that some physical quantities may remain unchanged during the implementation of the method of the present invention. They can be preset or provided by other methods or devices. For example: the self-interference transmission channel vector h of the first source aa , the transmission channel vector h from the first sour...

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PUM

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Abstract

The invention discloses a transmission precoding method for a full duplex secure communication system. The full duplex secure communication system comprises a first information source, a second information source and an eavesdropper. The method comprises a transmission precoding matrix search step of the first information source, a transmission precoding matrix search step of the second information source, a security and rate calculation step and a transmission precoding matrix output step.

Description

technical field [0001] The invention relates to the technical field of full-duplex secure communication, in particular to a transmission precoding method for a full-duplex secure communication system. Background technique [0002] attached figure 1 Shown is a full-duplex full-duplex security security communication system, which includes a full-duplex first source and a second source, and also includes an eavesdropper, wherein the first source and the second source simultaneously transmit and BB. Both the first information source and the second information source have N sending antennas, and the receiving antennas of the first information source, the second information source and the eavesdropper are all single antennas. [0003] For attached figure 1 As far as the communication system shown is concerned, the technical problem is: how to optimize the transmit precoding matrix (also called covariance matrix) of the first source and the second source, so as to reduce interfe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/04
CPCH04B7/0456
Inventor 利强张颖林静然邵士海唐友喜
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA