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Method of ZigBee network based vehicle positioning in indoor parking area environment

A vehicle positioning and parking lot technology, which is applied in the directions of indicating various open spaces in the parking lot, location-based services, network topology, etc. The effect of fast positioning speed, good real-time performance and high precision

Active Publication Date: 2015-07-29
CHINA UNIV OF PETROLEUM (EAST CHINA)
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Problems solved by technology

From the above measurement process, it can be seen that the workload of the traditional method is very large, and it cannot reflect the changes of a and n with time and space

Method used

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  • Method of ZigBee network based vehicle positioning in indoor parking area environment
  • Method of ZigBee network based vehicle positioning in indoor parking area environment
  • Method of ZigBee network based vehicle positioning in indoor parking area environment

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Embodiment Construction

[0036] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, but the present invention is not limited to these embodiments.

[0037] Such as figure 1 with figure 2 Shown, the vehicle localization method based on ZigBee network under indoor parking lot environment, this method comprises the following steps:

[0038] Step 1: Set up the ZigBee wireless sensor network system in the indoor parking lot. The ZigBee wireless sensor network system includes a ZigBee network, and a central node, several router nodes and more terminal nodes are set in the ZigBee network. The central node communicates with the router node adjacent to it. The central node is installed at the entrance, exit, or central position of the parking lot. The terminal node includes a positioning system for locating the vehicle to be positioned. terminal node; in order to reduce the layout amount of the positioning terminal node, eac...

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Abstract

The invention discloses a method of ZigBee network based vehicle positioning in indoor parking area environment. According to the method, a ZigBee wireless sensor network is established in an indoor parking area, the network is divided in a time division and zoning manner to calculate the distance between a to-be-positioned vehicle and a positioning terminal node, distance calculation precision is improved, further vehicle positioning precision is improved, and quick and accurate guide to the vehicles in the indoor parking area environment is realized beneficially.

Description

technical field [0001] The invention belongs to the technical field of vehicle positioning, in particular to a ZigBee network-based vehicle positioning method in an indoor parking lot environment. Background technique [0002] Intelligent transportation occupies a very important position in the urban road traffic system. Reasonable planning, control, monitoring and guidance for urban traffic is of great significance to improve the efficiency of urban traffic network and improve the living standards of urban residents. The vehicle positioning system is one of the important supporting technologies of intelligent transportation. The correct positioning of the vehicle as a mobile node can directly and effectively observe and control the operation status of urban traffic. [0003] In order to automatically guide the vehicle to the pre-planned destination parking space in a large indoor parking lot environment, it is necessary to first solve the positioning problem of the vehicle ...

Claims

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Application Information

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IPC IPC(8): G08G1/123G08G1/14H04W64/00H04W84/18
CPCG08G1/144H04W4/046H04W84/18
Inventor 周鹏魏英华张鑫赵健乐刘希红陈艳梅戴永寿李建风吕正阳
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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