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Related Experiment Video

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An Open Source Technology Platform to Manufacture Hydrogel-Based 3D Culture Models in an Automated and Standardized Fashion
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Accurate Positioning System Based on Chipless Technology.

Nicolas Barbot1, Etienne Perret2,3

  • 1Univ. Grenoble Alpes, Grenoble INP, LCIS, F-26000 Valence, France. nicolas.barbot@lcis.grenoble-inp.fr.

Sensors (Basel, Switzerland)
|March 21, 2019
PubMed
Summary
This summary is machine-generated.

This study introduces a novel chipless technology for accurate 2D object localization using a single antenna and phase difference measurements. The method achieves sub-centimeter localization error, outperforming traditional techniques.

Keywords:
batteryless sensorschipless sensorswireless sensors

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Area of Science:

  • Radio Frequency Identification (RFID) and Sensor Technology
  • Wireless Localization and Positioning Systems

Background:

  • Traditional localization methods like Received Signal Strength Indicator (RSSI) and Round-Trip Time-of-Flight (RTOF) suffer from accuracy limitations.
  • Chipless RFID technology offers a low-cost alternative for identification and sensing, but accurate localization remains a challenge.

Purpose of the Study:

  • To develop and validate an accurate 2D localization method for objects using chipless technology.
  • To enhance the robustness and coverage area of chipless localization systems.
  • To demonstrate the dual functionality of the proposed system for both localization and identification.

Main Methods:

  • Utilizing phase difference measurements between a reference and unknown position with a single antenna and a chipless tag.
  • Employing multi-lateration algorithms to determine the 2D coordinates of the chipless tag.
  • Implementing a resonator subset selection strategy to improve localization robustness and area.

Main Results:

  • Achieved distance determination error below 2 mm and localization error below 1 cm within a 10 cm x 10 cm area.
  • Increased the localization area by over 20% through resonator subset selection.
  • Demonstrated robustness across different heights and in real-world environments.

Conclusions:

  • The proposed chipless localization method offers superior accuracy compared to existing techniques.
  • The system exhibits robustness and extended coverage, making it suitable for practical applications.
  • The developed sensors can function as both localization devices and traditional chipless RFID tags for identification.