IoT enabled intelligent sensor node for smart city

pedestrian counting and ambient monitoring

Fowzia Akhter, Sam Khadivizand, Hasin Reza Siddiquei, Md Eshrat E. Alahi, Subhas Mukhopadhyay

Research output: Contribution to journalArticle

5 Citations (Scopus)
57 Downloads (Pure)

Abstract

An Internet of Things (IoT) enabled intelligent sensor node has been designed and developed for smart city applications. The fabricated sensor nodes count the number of pedestrians, their direction of travel along with some ambient parameters. The Field of View (FoV) of Fresnel lens of commercially available passive infrared (PIR) sensors has been specially tuned to monitor the movements of only humans and no other domestic animals such as dogs, cats etc. The ambient parameters include temperature, humidity, pressure, Carbon di Oxide (CO2) and total volatile organic component (TVOC). The monitored data are uploaded to the Internet server through the Long Range Wide Area Network (LoRaWAN) communication system. An intelligent algorithm has been developed to achieve an accuracy of 95% for the pedestrian count. There are a total of 74 sensor nodes that have been installed around Macquarie University and continued working for the last six months.

Original languageEnglish
Article number3374
Pages (from-to)1-19
Number of pages19
JournalSensors (Basel, Switzerland)
Volume19
Issue number15
DOIs
Publication statusPublished - 1 Aug 2019

Bibliographical note

Copyright the Author(s) 2019. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

Keywords

  • intelligent sensor
  • the direction of travel
  • ambient monitoring
  • smart city

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