Indoor positioning method and device, and computing device

A technology for indoor positioning and computing equipment, which is applied to location information-based services, specific environment-based services, electrical components, etc., and can solve problems such as low positioning accuracy, small RSSI, and inconsistent RSSI

Active Publication Date: 2018-09-04
BEIJING UNIV OF POSTS & TELECOMM
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in practical applications, there may be large errors in the RSSI received by the terminal under test from the N base stations. For example, an error occurs during signal transmission and the RSSI is very small or very large. Another example is that the computing device receives the

Method used

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  • Indoor positioning method and device, and computing device
  • Indoor positioning method and device, and computing device
  • Indoor positioning method and device, and computing device

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Embodiment Construction

[0049] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0050] In order to improve the positioning accuracy of the positioning of the terminal to be tested, the embodiment of the present invention provides an indoor positioning method, device and computing equipment. When determining the position coordinates of the terminal to be tested, not only n distance values ​​but also n RSSI makes the obtained position coordinates more accurate, and calculates the position coordinates of the terminal under test based on n RSS...

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Abstract

The embodiments of the present invention provide an indoor positioning method and device and a computing device. The indoor positioning method is applied to the computing device of an indoor positioning system. The indoor positioning system further comprises a to-be-tested terminal and N base stations, wherein N is an integer larger than 1; the method comprises the following steps: receiving strength indicator values RSSI of N received signals sent by the to-be-tested terminal, wherein the N RSSIs are strength indication values of signals sent by N base stations to the to-be-tested terminal; and selecting n RSSIs in a preset range in the N RSSIs, wherein n is an integer larger than 1 and not greater than N; according to the n selected RSSIs, determining n distance values between the n basestations corresponding to the n RSSIs and the to-be-tested terminal respectively; and determining the position coordinates of the to-be-tested terminal according to the n distance values and the n RSSIs. According to the technical scheme in the invention, the positioning precision for positioning the to-be-tested terminal can be improved.

Description

technical field [0001] The present invention relates to the technical field of indoor positioning, in particular to an indoor positioning method, device and computing equipment. Background technique [0002] At present, the technology widely used in indoor positioning is wireless sensor network technology, which is widely used in positioning services in conference centers, airports, stadiums, etc. Received Signal Strength Indication (RSSI) is a positioning technology that measures the distance between the base station and the terminal to be tested by the strength of the signal received by the terminal to be tested, and then performs positioning calculations based on the corresponding distance data. A positioning method commonly used in wireless sensor network technology. [0003] In the prior art, when using RSSI to locate the terminal under test, the commonly used method is: the terminal under test receives signals transmitted by N base stations, and sends the received N s...

Claims

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Application Information

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IPC IPC(8): H04W4/02H04W4/021H04W4/33H04W64/00
CPCH04W4/02H04W4/021H04W4/023H04W4/33H04W64/00
Inventor 邓中亮唐宗山莫君贾步云边新梅姜海君范时伟杨寅刘雯
Owner BEIJING UNIV OF POSTS & TELECOMM
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