Downhole worker positioning method based on Wi-Fi signal strength

A technology of signal strength and personnel positioning, applied in the field of personnel positioning, it can solve the problems of low power, communication reliability, accuracy, anti-interference ability, and diversification of communication forms, so as to achieve a small number of base stations and low development and deployment costs. , low cost effect

Active Publication Date: 2013-02-20
杭州维一科技有限公司
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Problems solved by technology

[0003] In the past, considering the cost of communication, technologies such as RFID, Zigbee, and PHS systems were mostly used in the positioning of underground personnel in my country. The communication equipment involved in these technologies is relatively low in cost and low in power, but the reliability, accuracy, and anti-interference ability of communication , The diversification of communication forms is greatly restricted

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  • Downhole worker positioning method based on Wi-Fi signal strength
  • Downhole worker positioning method based on Wi-Fi signal strength
  • Downhole worker positioning method based on Wi-Fi signal strength

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Embodiment Construction

[0027] A kind of underground personnel positioning method based on Wi-Fi signal strength of the present invention comprises the following steps:

[0028] Step 1: Install a Wi-Fi base station in the mine roadway, and the mine staff carry a Wi-Fi wireless network card in their portable devices;

[0029] Step 2: According to the actual measurement, determine the received signal field strength A and the signal attenuation coefficient n of each Wi-Fi base station at a distance of 1 meter from each Wi-Fi base station;

[0030] The installation method of described Wi-Fi base station is to install base station at the roadway inflection point of mine, branch point, installs a Wi-Fi base station every distance D in the straight roadway, and the path between every two base stations is in a straight line;

[0031] The value range of the distance D between the base stations is between 50 meters and 100 meters, which satisfies the requirements of two adjacent base stations The signal stre...

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Abstract

The invention discloses a downhole worker positioning method based on Wi-Fi signal strength. The downhole worker positioning method comprises installing Wi-Fi base stations at intervals of a certain distance in a mine straight line roadway, installing base stations at inflection points and branch points of the roadway, carrying a Wi-Fi wireless network card in a portable device of a mine worker, and enabling the base stations and the network card to form a downhole wireless communication network. The distances between the worker and the two nearest base stations are calculated according to the Wi-Fi signal strength received by the wireless network card, and position information of the worker is obtained according to the proportion of distance. A Wi-Fi wireless network technology is utilized to position the downhole worker in real time, safety guarantee is provided for downhole operation by reasonably arranging the base stations and simplifying positioning algorithms, and possibility is provided for integration with a mine communication system based on Wi-Fi.

Description

technical field [0001] The invention relates to a personnel positioning method, in particular to an underground personnel positioning method based on Wi-Fi signal strength. Background technique [0002] Underground personnel positioning is an important technology to ensure the safety of mine workers and facilitate managers to understand the underground working conditions in real time. [0003] In the past, considering the cost of communication, technologies such as RFID, Zigbee, and PHS systems were mostly used in the positioning of underground personnel in my country. The communication equipment involved in these technologies is relatively low in cost and low in power, but the reliability, accuracy, and anti-interference ability of communication , The diversification of communication forms is greatly restricted. In recent years, wireless communication technology has developed rapidly, and equipment costs have been continuously reduced. Modern management methods have put ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/02H04W64/00
Inventor 万益冬许意如
Owner 杭州维一科技有限公司
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