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Real-time location method based on ZigBee network

A real-time positioning and network technology, applied in advanced technology, climate sustainability, sustainable communication technology, etc., and can solve problems such as large errors in positioning technology

Inactive Publication Date: 2012-02-08
SHANDONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the positioning technology based solely on RSSI has a large error

Method used

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  • Real-time location method based on ZigBee network
  • Real-time location method based on ZigBee network
  • Real-time location method based on ZigBee network

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Embodiment

[0083] A kind of real-time location method based on ZigBee network, realize by following system, as figure 1 , the system includes a reference node 1, a mobile node 2, a gateway node 3 and an embedded Web server 4, and first arranges the corresponding reference node 1 in the monitoring area to make it function as a reference point in the positioning process; the mobile node 2 is the positioning node, it determines its own location by referring to node 1; on the one hand, gateway node 3 configures the location information of reference node 1, and at the same time receives the location information of mobile node 2 and sends it to embedded Web server 4, and embedded Web server 4 accesses the Internet Network 5 for remote access and control, the location method as figure 2 As shown, the steps are as follows:

[0084] ①The embedded Web server is connected to the network through the network port, and the gateway node is connected to the embedded Web server through the serial port...

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Abstract

The invention provides a real-time location method based on a ZigBee network and belongs to the technical field of wireless sensor network location. A system utilized in the method is composed of a reference node, a mobile node, a gateway node and an embedded Web server. In the method, a certain amount of reference nodes are arranged in a monitoring region firstly, wherein the reference nodes can be used as reference points in the location process and do not participate in the location; the mobile node is a location node and can determine self position according to the reference nodes; the gateway node is used for configuring the position information of the reference nodes and simultaneously receiving the position information of the mobile node and then sending the position information to the Web server; and the Web server can realize remote access and control after accessing the network. The invention also provides a real-time location method which can be used for realizing real-time accurate location according to an RSSI (received signal strength indicator) value transmitted among the ZigBee nodes. Compared with other location algorithms and implementations, the method provided by the invention has the advantages of high accuracy and low power consumption, and is safe and reliable in operation.

Description

technical field [0001] The invention relates to a ZigBee network-based real-time positioning method, which belongs to the technical field of wireless sensor network positioning. Background technique [0002] Using wireless network communication technology to realize tracking and positioning is a research hotspot in the field of wireless communication today. In order to achieve the above purpose, higher communication technology is required. Wireless Sensor Network (WSN) is widely used in environmental detection, weather forecast, security, monitoring, distributed computing and target area imaging, etc. It has far-reaching significance in military, medical and civilian applications. Determining the location of an event or the location of a node to obtain a message is one of the most basic functions of a sensor network and plays a key role in the effectiveness of sensor network applications. [0003] ZigBee technology is a short-distance wireless communication technology with...

Claims

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Application Information

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IPC IPC(8): H04W64/00
CPCY02D30/70
Inventor 袁东风徐伟涛王镜伟单小明王磊纪洪亮杨刚震
Owner SHANDONG UNIV
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