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Pseudo base station rapid positioning method and system based on offline fingerprint database

A positioning method and pseudo base station technology, which is applied in wireless communication, electrical components, etc., can solve the problems of low positioning information accuracy, efficiency and accuracy reduction, and achieve the effects of wide coverage, small positioning error, and high overall system accuracy

Active Publication Date: 2015-08-26
XIAMEN UNIV
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AI Technical Summary

Problems solved by technology

The positioning information reported by the mobile phone in the method described in this patent has low accuracy, and the pseudo-base station is normally in a moving state, resulting in a decrease in the efficiency and accuracy of the method

Method used

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  • Pseudo base station rapid positioning method and system based on offline fingerprint database
  • Pseudo base station rapid positioning method and system based on offline fingerprint database
  • Pseudo base station rapid positioning method and system based on offline fingerprint database

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Embodiment Construction

[0036] The present invention will be further described in detail below with reference to the drawings and embodiments.

[0037] The invention provides a pseudo base station rapid positioning system based on an offline fingerprint library, which includes a pseudo base station module, a fingerprint acquisition module, a cloud processing module, and a fingerprint database module.

[0038] In the offline file creation step, such as figure 1 As shown, a pseudo base station module, a fingerprint acquisition module, a cloud processing module, and a fingerprint database module are required. The output of the pseudo base station module is connected to the input of the fingerprint acquisition module, and the output of the fingerprint acquisition module is connected to the input of the cloud processing module. The output is connected to the input of the fingerprint database module.

[0039] The pseudo base station module is used to simulate the real pseudo base station in the real crime scene, ...

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Abstract

The invention relates to a pseudo base station rapid positioning method and system based on an offline fingerprint database. The pseudo base station rapid positioning method comprises an offline archiving step: constructing a position-reference point feature fingerprint database according to the mapping relation between the position information of each reference point and RSS positioning feature information in an area to be monitored; and an online judgment step: sampling the RSS positioning feature information in the area to be monitored, comparing the sampled RSS positioning feature information with information in the position-reference point feature fingerprint database and looking up the position information of a pseudo base station. Compared with an existing pseudo base station positioning scheme, the method provided by the invention has the advantages of small positioning error, low hardware condition limitation, wide coverage range, high system total accuracy and very high practical application value.

Description

Technical field [0001] The invention relates to the field of communication technology, and more specifically, to a method and system for fast positioning of a pseudo base station based on an offline fingerprint database. Background technique [0002] The pseudo base station uses high-power wireless signal transmitters by simulating mobile communication wireless base stations to force the user's mobile phone to register on the simulated base station to obtain the user's IMSI, IMEI and other information. The system was originally a monitoring instrument developed by the public security department for security reasons. Since 2013, a large number of pseudo base station technologies have been used in my country to intercept and fraudulent use of mobile phone numbers, steal mobile device SIM information, and forcibly send text messages to unspecified groups. , The large-scale implementation of illegal and criminal activities such as telecommunications fraud and illegal advertising and s...

Claims

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Application Information

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IPC IPC(8): H04W64/00
CPCH04W64/00
Inventor 高志斌孙凌云黄联芬吴振阳唐余亮赵彩丹
Owner XIAMEN UNIV
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