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Wireless communication networking and positioning method special for constructional engineering construction site

A construction site, construction engineering technology, applied in the direction of wireless communication, radio wave measurement system, service based on specific environment, etc.

Active Publication Date: 2020-01-10
NORTHEASTERN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] The present invention provides a wireless communication networking and positioning method at a construction site, which is used to solve the application problem of indoor and outdoor positioning of personnel at the construction site, especially how to construct a network at the construction site, switch between indoor and outdoor space positioning, and apply it. Practical issues

Method used

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  • Wireless communication networking and positioning method special for constructional engineering construction site
  • Wireless communication networking and positioning method special for constructional engineering construction site
  • Wireless communication networking and positioning method special for constructional engineering construction site

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Embodiment Construction

[0069] A wireless communication networking and positioning method for a construction site of a construction project. The deployment scene is a construction site of a construction project under construction, which is divided into an outdoor scene and an indoor scene.

[0070] The outdoor scene consists of multiple buildings under construction, multiple Lora base stations, multiple construction workers wearing positioning terminals, and a Lora gateway. Multiple Lora base stations are connected to the Lora gateway wirelessly to form a wireless communication network at the construction site In addition to being used for wireless networking, multiple Lora base stations can also provide auxiliary indoor positioning support. The power supply of the Lora base station needs an external power supply for power supply, which can be deployed on the external wall of the building under construction or on the tower crane; the positioning terminal wears On the body of the construction workers, ...

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Abstract

The invention relates to a wireless communication networking and positioning method for a constructional engineering construction site, and belongs to the technical field of indoor and outdoor positioning. The method solves the personnel indoor and outdoor positioning application problem in the building construction site, and especially solves the practical problems of how to construct a network in the building construction site, how to switch indoor and outdoor space positioning and how to apply. The method specifically comprises the following steps: (1) networking a positioning system; (2) networking a wireless network; (3) indoor and outdoor personnel positioning: offline positioning and online positioning are included, wherein the offline positioning comprises data acquisition, data filtering, data grouping, positioning model training and positioning model output; and online positioning comprises data acquisition, data filtering, input positioning model operation and positioning coordinate output. According to the invention, a Lora radio frequency RSSI fingerprint training model is established by using a Lora base station and is used for positioning indoor and outdoor spaces; the method is different from other indoor and outdoor hybrid positioning methods, indoor and outdoor positioning can be integrated, and a method of switching between outdoor GNSS positioning and indoorpositioning in a buffer zone is abandoned.

Description

technical field [0001] The invention relates to a wireless communication network and a positioning method at a construction site of a construction project, and belongs to the technical field of indoor and outdoor positioning. Background technique [0002] In recent years, with the rapid development of my country's economy and the continuous improvement of construction technology, the proportion of super high-rise buildings, large urban complexes, super large underground space places, etc. in urban building types has shown an increasing trend year by year. On-site personnel production safety accidents occur from time to time, and the safety protection of construction personnel has long been concerned by the industry. From the perspective of the construction personnel's work surface, the construction personnel will not be fixed in a specific location for a long time, and need to frequently go back and forth between indoor and outdoor spaces for production operations. For exampl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/30H04W4/33H04W4/80H04W16/18H04W64/00G01S11/06
CPCG01S11/06H04W16/18H04W64/00H04W4/30H04W4/33H04W4/80
Inventor 徐晓虎许开立孙恩吉鞠欣亮范玉峰
Owner NORTHEASTERN UNIV
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