A dynamic data driven indoor localisation framework based on ultra high frequency passive RFID system

Bijoy Dripta Barua Chowdhury, Sara Masoud, Young Jun Son, Chieri Kubota, Russell E Tronstad

Research output: Contribution to journalArticlepeer-review

Abstract

Better monitoring of workers' and the materials' flow within a production system can potentially enhance any facility's productivity and efficiency. This paper proposes a data driven framework to affordably localise indoor workers and materials using a passive radio frequency identification (RFID) system in large scale. Here, indoor wireless sensor networks are developed via passive Ultra-High Frequency (UHF) tags, where received signal strength indicator (RSSI) is measured by different access points (APs) to generate a fingerprinting database. Then, this database not only translates the signal strength reported by APs to distance through regression models but also helps to localise each tag utilising our proposed k-nearest neighbours (KNN) algorithm. Our improved KNN algorithm dynamically defines different neighbourhoods, in terms of size and topology considering environment status. Results from multiple experiments under different scenarios reveal that our proposed methods can detect and localise objects with an error as low as 0.36 m.

Original languageEnglish (US)
Pages (from-to)172-187
Number of pages16
JournalInternational Journal of Sensor Networks
Volume34
Issue number3
DOIs
StatePublished - 2020

Keywords

  • Distance estimation
  • Dynamic data driven
  • K-nearest neighbours
  • KNN
  • Localisation
  • Machine learning
  • Passive UHF RFID
  • Radio frequency identification
  • RFID
  • RFID-sensor networks
  • Statistical modelling
  • Wireless sensor networks
  • WSNs

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Computer Science Applications
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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