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Automatic configuration method of UWB indoor positioning base station

A technology for positioning base stations and automatic configuration, applied in positioning, measuring devices, instruments, etc., can solve problems such as the difficulty of base station position calibration, increase the difficulty of UWB indoor positioning system, and limit the mobility of the system, and achieve good anti-multipath effect. The effect of increasing mobility and reducing difficulty

Inactive Publication Date: 2019-07-16
JIANGSU UNIV OF SCI & TECH
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AI Technical Summary

Problems solved by technology

[0003] Before positioning, it is necessary to conduct precise measurements to determine the location of the base station, and it is difficult to calibrate the location of the base station, especially when there are no signs on the ground
This increases the difficulty in the deployment and deployment of the UWB indoor positioning system, and limits the mobility of the system

Method used

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  • Automatic configuration method of UWB indoor positioning base station
  • Automatic configuration method of UWB indoor positioning base station
  • Automatic configuration method of UWB indoor positioning base station

Examples

Experimental program
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Effect test

Embodiment 1

[0030] An automatic configuration method for a UWB indoor positioning base station:

[0031] Step 1. Arrange n UWB-based positioning base stations at random, measure the GPS absolute coordinates of the first and second positioning base stations, and calculate the distance information between each positioning base station through base station coded signal transmission time.

[0032] Step 2: Form a triangle with the two selected positioning base stations and one of the unselected positioning base stations closest to the selected positioning base station, and calculate the interior angles of the constructed triangle by the law of cosines.

[0033] Step 3, utilize interior angle and a side of triangle to construct polar coordinate system, the GPS coordinate (Cartesian coordinate) of the selected positioning base station is converted into polar coordinates, one of the selected positioning base station coordinates is temporarily set as the virtual coordinate of the origin, Calculate...

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Abstract

The invention provides an automatic configuration method for a UWB indoor positioning base station, and the method employs the configuration of a selected positioning base station and a non-selected positioning base station, and only configures absolute GPS coordinates at the selected positioning base station. According to the method and the device, the GPS coordinates of a plurality of unselectedpositioning base stations can be accurately obtained without pre-selecting positions and measuring the GPS coordinates of the plurality of unselected positioning base stations, so that one-key automatic configuration of the positioning base stations is realized.

Description

technical field [0001] The invention relates to the field of UWB positioning, in particular to an automatic configuration method for a UWB positioning base station. Background technique [0002] In indoor positioning, ultra-wideband UWB (Ultra-Wide Band) technology uses pulse signals with low power spectral density and extremely narrow pulse width to transmit data, which has the characteristics of extremely high time resolution and strong penetration of obstacles. (Line-Of-Sight) environment can obtain centimeter or even millisecond-level ranging and positioning accuracy, which is suitable for high-precision positioning in indoor environment. [0003] Before positioning, it is first necessary to conduct precise measurements to determine the location of the base station, but it is difficult to calibrate the location of the base station, especially when there are no signs on the ground. This increases the difficulty in the deployment and deployment of the UWB indoor positioni...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/04H04W64/00G01S5/14G01S5/02
CPCG01S5/021G01S5/14H04W24/04H04W64/00
Inventor 杨晓飞王俊叶辉薛文涛陶少俊宋大鹏
Owner JIANGSU UNIV OF SCI & TECH
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