Positioning method and system based on RFID technology

A positioning method and positioning system technology, applied in the field of radio frequency identification, can solve the problems of inconvenient user analysis and judgment, visual display of indoor positioning results is not intuitive enough, image, and limit the expansion and application of positioning systems, so as to facilitate combination and analysis, The effect of reducing performance requirements and reducing requirements

Active Publication Date: 2014-10-08
INST OF INFORMATION ENG CAS
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AI Technical Summary

Problems solved by technology

[0004] Most of the existing RFID indoor positioning technologies are based on real-time display data, and it is difficult to retrospectively display and analyze the historical positioning results in the time dimension. Often, the target positioning data results are only displayed in simple graphics. This method The visual display of indoor positioning results is not intuitive and vivid, an

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  • Positioning method and system based on RFID technology
  • Positioning method and system based on RFID technology
  • Positioning method and system based on RFID technology

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Embodiment Construction

[0032] Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0033] figure 1 A positioning method based on RFID technology according to an embodiment of the present invention is shown.

[0034] Such as figure 1 As shown, the positioning method based on RFID technology according to an embodiment of the present invention includes: S1, at least one RFID reader-writer collects data on at least one RFID tag, and transmits the collected data to the application unit, and the application unit performs the collection according to the LANDMARC algorithm. The data is calculated to determine the indoor location information of the RFID tag; S2, the geographic information unit queries the geographic location information of the RFID tag according to the indoor location information, generates a map according to the geographic location information, and the display unit displays the indoor location information on the map.

[0035...

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Abstract

The invention relates to a positioning method and system based on an RFID technology. The method comprises the steps that S1 at least one RFID reader-writer performs data acquisition on at least one RFID tag and transmits acquired data to an application unit, the application unit calculates the acquired data by adopting an LANDMARC algorithm so as to confirm indoor position information of the RFID tag; S2 a geographic information unit inquires geographic position information of the RFID tag according to the indoor position information, generates a map according to the geographic position information, and a display unit displays the indoor position information in the map. By adopting the technical scheme, the performance demand for RFID reader-writer hardware can be reduced, an indoor positioning result is visually displayed in actual geographic environment information so that the indoor positioning result can be displayed intuitively and specifically, seamless switching of indoor positioning and outdoor positioning is achieved, and combination and analysis of the indoor positioning and outdoor positioning are facilitated.

Description

technical field [0001] The present invention relates to the technical field of radio frequency identification, in particular to a positioning method based on RFID technology and a positioning system based on RFID technology. Background technique [0002] With the development of network technology and sensing equipment, the Internet of Things has occupied an important position in people's lives. As an important part of the Internet of Things technology, RFID (Radio Frequency Identification, radio frequency identification) technology has been gradually used in the second generation identity due to its advantages of short delay, high precision, non-contact, non-line-of-sight, low cost and large transmission range. It has formed a wide range of practical applications in fields such as passports, bus cards, Olympic tickets, ETC payments, etc. [0003] Among various IoT applications based on RFID technology, indoor positioning is one of its important components. Its goal is to b...

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Application Information

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IPC IPC(8): G01S5/02G01S13/82
CPCG01C21/206G01S5/0273
Inventor 王思叶张艳芳张珠君朱大立丁昶罗元剑
Owner INST OF INFORMATION ENG CAS
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