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A mobile terminal positioning method and device

A mobile terminal and geographic location information technology, applied in the field of mobile terminal positioning methods and devices, can solve problems such as long distance and influence positioning accuracy, and achieve the effect of reducing influence and high positioning accuracy

Active Publication Date: 2020-11-10
CHINA MOBILE COMM LTD RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0012] If the above-mentioned abnormal points and irrelevant points are not removed during the positioning process, the positioning result will be far away from the actual geographical location of the point to be located, which will affect the positioning accuracy

Method used

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  • A mobile terminal positioning method and device
  • A mobile terminal positioning method and device
  • A mobile terminal positioning method and device

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Embodiment Construction

[0049] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0050] figure 1 It is a schematic diagram of the flow summary of the mobile terminal positioning method according to the embodiment of the present invention, such as figure 1 As shown, the mobile terminal positioning method in the embodiment of the present invention includes the following steps:

[0051]Step 101: assigning weights to sample points whose wireless signal strength values ​​in the wireless signal fingerprint library are within a preset wireless signal strength interval value;

[0052] Wherein, the distance data between the wireless signal strength of the mobile terminal to be positioned and the wireless signal strength located at the wireless signal strength interval sample point is obtained, and the weight value is determined for the sample point located at the wireless signal strength interval value according to the distance da...

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Abstract

The invention discloses a mobile terminal positioning method. The method comprises the following steps: assigning a weight value to a sample point whose wireless signal strength value is located in apreset wireless signal strength interval value in a wireless signal fingerprint database, and clustering the sample points by using the sample points located within the wireless signal strength interval value as objects to form at least one sample point cluster; determining the weight values of the sample point clusters according to the weight values of the sample points in the sample point clusters; and removing the sample point cluster whose weight value is less than a preset weight value, and determining predicted geographical location information of a mobile terminal to be positioned according to the geographical location information of the sample points in the remaining sample point clusters and the weight values of the sample point clusters. The invention also discloses a mobile terminal positioning device.

Description

technical field [0001] The present invention relates to wireless signal processing technology, in particular to a mobile terminal positioning method and device. Background technique [0002] At present, the positioning technology based on wireless signal fingerprint is the focus of the current positioning technology research, because the location information is one of the basic elements of mobile intelligent swarm sensing and Internet of Things applications, and has a wide range of application scenarios in indoor and outdoor environments, such as Personnel navigation in airports, railway stations, and large shopping malls, tracking of special valuables, location-based service push, security and intrusion detection and prevention. Compared with distance-based and proximity-based positioning technologies, the advantage of fingerprint positioning technology is that neither the base station side nor the mobile terminal side needs to add or design special equipment to realize it,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W64/00G01S11/06
CPCG01S11/06H04W4/023
Inventor 吕喆周岩杨晓梁燕萍
Owner CHINA MOBILE COMM LTD RES INST
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