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Communication Interference Detection Method Based on Gaussian Eye Diagram Texture Entropy Feature

A technology of communication interference and detection method, which is applied in the direction of digital transmission system, error prevention, electrical components, etc., can solve the problems of long detection time and poor interference detection performance, reduce the amount of calculation, meet the requirements of fast interference detection and calculation fast effect

Active Publication Date: 2022-03-04
XIDIAN UNIV
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Problems solved by technology

[0005] The purpose of the present invention is to address the defects in the above-mentioned prior art, and propose a communication interference detection method based on Gaussian eye pattern texture, which is used to solve the problems of poor interference detection performance and long detection time under low interference-to-signal ratio

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  • Communication Interference Detection Method Based on Gaussian Eye Diagram Texture Entropy Feature
  • Communication Interference Detection Method Based on Gaussian Eye Diagram Texture Entropy Feature
  • Communication Interference Detection Method Based on Gaussian Eye Diagram Texture Entropy Feature

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[0032] The present invention will be further described below in conjunction with the accompanying drawings.

[0033] Refer to attached figure 1 , further describe the implementation steps of the present invention.

[0034] Step 1, generate a Gaussian eye diagram of the wireless communication signal to be detected.

[0035] After the digital-to-analog conversion, the amplitude of the wireless communication signal to be detected with a length of N is normalized, and the normalized signal is truncated every K length to obtain M-segment signals, wherein 100≤K≤250, And satisfy N≥M·K.

[0036] The length K and amplitude of each truncated signal are mapped to the r×d two-dimensional Gaussian eye diagram in the order from left to right and from top to bottom, where the value of r is equal to K, λ represents the mapping parameter, the value range is [0.01,0.04], Indicates a round up operation.

[0037] Calculate the value of each element in the Gaussian eye diagram according to ...

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Abstract

The invention proposes a communication interference detection method based on the Gaussian eye pattern texture entropy feature, which mainly solves the problems of low detection rate and long detection time under low interference-to-signal ratio in the existing interference detection method. The implementation steps are: (1) generate the Gaussian eye diagram of the wireless communication signal to be detected; (2) calculate the texture entropy feature of the Gaussian eye diagram; (3) set the interference detection test statistics; (4) perform the inspection and judgment to obtain Interference detection results. The present invention has the advantages of high interference detection probability and fast detection speed under high and low interference-to-signal ratios, and effectively overcomes the low detection probability and long detection time existing in existing interference detection methods. question.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and further relates to a communication interference detection method based on the texture entropy feature of a Gaussian eye diagram in the technical field of signal and information processing. The invention can be used to detect noise modulation interference signals of wireless communication systems and communication countermeasure systems. Background technique [0002] Noise-modulated interference signal refers to the electronic interference that modulates the frequency, amplitude and phase of the signal with low-frequency random noise. It is a common type of interference signal in communication systems. If the communication system is disturbed, it will seriously affect the communication quality. If the interference signal can be effectively detected, and then corresponding anti-interference measures are adopted, the reliability and accuracy of the communication system can be imp...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00
CPCH04L1/0048
Inventor 李林康荣艳张文博臧博朱志刚姬红兵
Owner XIDIAN UNIV
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