Optimization of RFID-Based Tunnel Access Monitoring System Antenna Reading Areas

Kai Kordelin, Johanna Virkki, Jaana Kordelin, Joel Kuusman, Jussi Mattila, Markku Johansson, Leena Ukkonen, Lauri Sydänheimo

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Abstract

This work focuses on a nuclear waste storage facility's RFID (Radio Frequency Identification)-based access monitoring system and especially on antenna reading area mapping results. The objective of this research is to find out the effects of sprayed concrete bedrock caverns and height of reader antennas on RFID antenna reading areas. First, we will shortly introduce the access monitoring system, equipment, and program that have been developed for the tunnel system. Next, we describe the research area, the locations of the antennas, and the study protocol. Finally, we discuss the effects of sprayed concrete and antenna height on the antenna reading areas. Further, we introduce other noted factors that affect the reading area sizes, for example bedrock fractures and fillings. Based on the results, a sprayed concrete surface improves the reflectiveness of the radio signal and thus the reading capabilities of the ID (Identification)-cards. Another clear result was that the higher the antenna or ID-card was placed, the longer the MRRR (Maximum Reliable Read Range) range was.

Original languageEnglish
Title of host publication13th European Conference on Antennas and Propagation, EuCAP 2019
PublisherIEEE
ISBN (Electronic)9788890701887
Publication statusPublished - 1 Mar 2019
Publication typeA4 Article in conference proceedings
EventEuropean Conference on Antennas and Propagation - Krakow, Poland
Duration: 31 Mar 20195 Apr 2019

Conference

ConferenceEuropean Conference on Antennas and Propagation
Country/TerritoryPoland
CityKrakow
Period31/03/195/04/19

Keywords

  • Antenna
  • Measurement
  • RFID
  • Tunnel system

Publication forum classification

  • Publication forum level 1

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Instrumentation

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