Pseudo base station positioning method based on RSSI base station signal estimation

A technology of signal estimation and positioning method, applied in the directions of location information-based services, wireless communications, electrical components, etc., can solve the problem of large workload and high cost of pseudo base station positioning, increase the interface and signaling burden, and maintain social information. safe and efficient

Active Publication Date: 2016-02-03
GUANGDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0006] The present invention overcomes the defects of large workload and high cost in positioning pseudo base stations in the prior art, and provides a fast, simple and low-cost pseudo base station positioning method based on RSSI base station signal estimation

Method used

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  • Pseudo base station positioning method based on RSSI base station signal estimation
  • Pseudo base station positioning method based on RSSI base station signal estimation
  • Pseudo base station positioning method based on RSSI base station signal estimation

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Embodiment 1

[0038] Such as Figure 1-2 As shown, a pseudo base station positioning method based on RSSI base station signal estimation, the method is based on UE (user equipment) and a central server, when the UE accesses the network, it can communicate and transmit data with the central server, The UE includes a GPS module, a geographic location information module, a base station information collection module, and a network communication module, and is installed with pseudo-base station positioning software; the central server includes a network communication module, a computing module, and a database module.

[0039] The method comprises the steps of:

[0040] S1: At least 3 UEs access the same pseudo base station, collect the base station information of the pseudo base station in real time and download it locally, the base station information includes MCC, MNC, LAC, CID, RSSI, current time and latitude and longitude;

[0041]In this embodiment, the UE relies on the pseudo base station...

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Abstract

The invention discloses a pseudo base station positioning method based on RSSI base station signal estimation. The pseudo base station positioning method comprises the following steps: extracting base station information obtained by at least three pieces of UE at the same moment by a central server, retrieving all values in a signal transmission strength value section at a preset step length delta RSSI to serve as a RSSI estimated value sequence, and calculating estimation distances of UE and a pseudo base station corresponding to the estimated values according to a signal transmission loss model; and using the RSSI estimated value corresponding to a value having the maximum fitting degree as an optimal estimation of signal transmission strength of the pseudo base station, and using the gravity center of a fitting triangle corresponding to the optimal estimation as a positioning estimation of the pseudo base station. The pseudo base station positioning method disclosed by the invention can be used for positioning the pseudo base station in a quick, convenient and low-cost manner, only the UE and the central server are needed to position the pseudo base station, the bottleneck in traditional pseudo base station positioning that special high-end equipment and onsite searching and positioning are necessary is broken through, and dynamic local positioning of the pseudo base station can be achieved to play important significance in fighting against illegal and criminal activities of the pseudo base station and maintaining the security of information society.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a pseudo base station positioning method based on RSSI base station signal estimation. Background technique [0002] In the Global System for Mobile Communications (GSM) cellular mobile communication system, the network adopts a one-way authentication mechanism, and only the network authenticates the user terminal, and the user terminal does not authenticate the network. This vulnerability allows fake base station equipment to pretend to be a base station to steal user information, defraud users by text messages, and even launch attacks on mobile communication networks. [0003] Pseudo-base stations are high-tech instruments that implement telecommunications fraud. They can counterfeit mobile communication networks to obtain the International Mobile Subscriber Identity (IMSI) of mobile phones within a certain range. At the same time, simulate any calling number to send sh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/02H04W64/00
CPCH04W4/023H04W64/003
Inventor 余荣蔡圻钊张浩川欧嘉煜郭毅明
Owner GUANGDONG UNIV OF TECH
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