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Indoor positioning system based on zigbee technology

An indoor positioning and technology technology, applied in the field of positioning, can solve the problems of high cost and low positioning accuracy

Inactive Publication Date: 2018-07-06
TIANJIN POLYTECHNIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In order to solve the problems of high cost and low positioning accuracy in existing indoor positioning, the present invention designs an indoor positioning system based on ZigBee technology

Method used

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  • Indoor positioning system based on zigbee technology
  • Indoor positioning system based on zigbee technology

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with accompanying drawing.

[0014] according to figure 1 , an indoor positioning system based on ZigBee technology provided by the present invention includes a server, a coordinator, a router, a reference tag and a tag to be positioned. The server is composed of a database management system and a positioning system, and the coordinator, router, reference label and label to be located are composed of a CC2530 chip, a single-chip microcomputer and a power supply. The coordinator, router, reference label and label to be located establish a ZigBee wireless network through the ad hoc network, wherein the router obtains the signal strength value and address of the reference label and the label to be located through the ZigBee wireless signal, forwards it to the coordinator, and the coordinator receives The data is uploaded to the server, the server processes the data, and uses the improved LANDMARC algorit...

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Abstract

The invention discloses an indoor positioning system based on the ZigBee technology. The indoor positioning system comprises a server, a coordinator, routers, reference labels and labels to be positioned. The server is composed of a database management system and a positioning system. The coordinator, the routers, the reference labels and the labels to be positioned are composed of CC2530 chips, single chip microcomputers and power sources. The coordinator, the routers, the reference labels and the labels to be positioned establish a ZigBee wireless network through an ad-hoc network, the routers obtain signal strength values and addresses the reference labels and the labels to be positioned through ZigBee wireless signals and transfer the signal strength values and the addresses to the coordinator, the coordinator receives data and uploads the data to the server, the server processes the data, and an improved LANDMARC algorithm is utilized to achieve the positioning function. The indoor positioning system based on the ZigBee technology solves the problems that the existing indoor positioning technology is low in positioning precision and high in cost, and a novel indoor positioning technology is provided.

Description

technical field [0001] The invention belongs to the field of positioning, in particular to an indoor positioning system based on ZigBee technology. Background technique [0002] At this stage, with the development of large-scale indoor exhibition tubes and warehouses, as well as the demand for personnel tracking and positioning in mines, indoor positioning technology has received more and more attention. Existing indoor positioning technologies include WiFi, ZigBee, radio frequency identification (RFID), Bluetooth and ultra-wideband positioning, etc. Radio frequency technology is the most widely used indoor positioning technology today, but it also has its own shortcomings. It has communication capabilities, and it is not easy to integrate into other systems; secondly, the system hardware cannot directly provide the received signal strength value (RSSI), only the energy level, which requires the system to analyze the data after obtaining the energy level, and then calculate ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S5/06G01S5/02G01S5/00
CPCG01S5/0081G01S5/0273G01S5/06
Inventor 白晋军邵珠业燕春刘培林
Owner TIANJIN POLYTECHNIC UNIV
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