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Mobile communication signal interference protection evaluation method and system

A technology of signal interference and mobile communication, applied in transmission systems, wireless communication, transmission monitoring and other directions, can solve the problems of destroying the communication between mobile phones and base stations

Active Publication Date: 2018-12-28
GUILIN UNIV OF ELECTRONIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The shielding principle is to effectively block the signal network, so that it cannot obtain a link connection with the strongest signal or the nearest base station, destroying the connection between the mobile phone and the base station, making the mobile phone separated from the base station and unable to perform its functions

Method used

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  • Mobile communication signal interference protection evaluation method and system
  • Mobile communication signal interference protection evaluation method and system
  • Mobile communication signal interference protection evaluation method and system

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Experimental program
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specific Embodiment approach

[0031] Below in conjunction with accompanying drawing, specific implementation is as follows:

[0032] A mobile communication signal interference protection evaluation method, such as figure 1 shown, including the following steps:

[0033] Step 1. Set measurement points in the actual scene, and measure the signal strength at each actual measurement point before and after the jammer is turned on at a predetermined frequency f, where the type of the measured signal strength measured before the jammer is turned on is the peak power P 实测_before , the measured signal strength type after the jammer is turned on is the minimum power P 实测_after .

[0034] The data measurement for the actual scene, that is, the target scene, mainly includes the following two parts:

[0035] (1) Measurement of signal strength.

[0036] First select the measurement point. In the actual measurement process, the selection of measurement points cannot be infinite, so representative measurement points s...

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Abstract

The invention relates to a mobile communication signal interference prevention assessment method and system. According to the mobile communication signal interference prevention assessment method and system of the invention, in a given context, points are reasonably distributed, and then, a professional measuring instrument is adopted to measure actual values; a time domain finite difference algorithm and a non-parametric regression algorithm are adopted to predict signal strength respectively; analysis and correction are performed on a result through optimizing parameters in a prediction algorithm, and an interference-to-signal ratio can be obtained through calculation; the interference-to-signal ratio is compared with an actual interference effect, so that an interference prevention assessment index system can be obtained; full-range prediction and assessment are carried out; and therefore, the interference prevention effect of mobile communication signals can be judged.

Description

technical field [0001] The invention relates to mobile communication interference evaluation technology, in particular to a mobile communication signal interference protection evaluation method and system. Background technique [0002] The mobile communication jammer is a portable device that shields mobile devices to ensure the order and safety of places where mobile phones are prohibited, such as governments, financial institutions, prisons, hospitals, examination rooms, gas stations, and important meetings. The principle of shielding is to effectively block the signal network, so that it cannot get a link connection with the strongest signal or the nearest base station, destroying the connection between the mobile phone and the base station, so that the mobile phone is separated from the base station and cannot perform its functions. Jamming effect is an important performance index to measure a jamming method or jamming technology. Due to the difference and complexity of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/06H04W24/08H04B17/318H04B17/391H04B17/373
CPCH04W24/06H04W24/08
Inventor 李燕龙李尚坤覃义符杰林王俊义丁勇詹德满陈晓仇洪冰
Owner GUILIN UNIV OF ELECTRONIC TECH
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