Geometry based analysis of an alternative RFID interrogator placement for electronic vehicle identification

Hoffman, A. J., Pretorius, A. and Wang, Y. (2015). Geometry based analysis of an alternative RFID interrogator placement for electronic vehicle identification. In: 2015 IEEE 18th International Conference on Intelligent Transportation Systems (ITSC). IEEE International Conference on Intelligent Transportation Systems, Gran Canaria, Spain, (2390-2397). 15-18 September 2015. doi:10.1109/ITSC.2015.386


Author Hoffman, A. J.
Pretorius, A.
Wang, Y.
Title of paper Geometry based analysis of an alternative RFID interrogator placement for electronic vehicle identification
Conference name IEEE International Conference on Intelligent Transportation Systems
Conference location Gran Canaria, Spain
Conference dates 15-18 September 2015
Convener IEEE
Proceedings title 2015 IEEE 18th International Conference on Intelligent Transportation Systems (ITSC)
Journal name IEEE Conference on Intelligent Transportation Systems, Proceedings, ITSC
Place of Publication Piscataway, NJ, United States
Publisher Institute of Electrical and Electronics Engineers
Publication Year 2015
Sub-type Fully published paper
DOI 10.1109/ITSC.2015.386
Open Access Status Not Open Access
ISBN 9781467365956
ISSN 2153-0009
Volume 2015-October
Start page 2390
End page 2397
Total pages 8
Collection year 2016
Language eng
Abstract/Summary This paper proposes a solution for reliable in-traffic electronic vehicle detection based on UHF passive RFID (ISO/IEC 18000-63 - UHF Type C). The classic overhead placement of an interrogator reading a windscreen or plate tag is shown to suffer from cost and signal path problems. A geometry based analysis of an alternative RFID interrogator placement is presented. An on road placement of the interrogator reading a license plate tag is theoretically characterised to determine the ideal radiation pattern of the interrogator antenna. This characterisation is based on the geometrical boundary conditions for RFID identification of vehicles in an open road use case. The result of the work indicates, counter intuitively, that a vertically polarised omnidirectional antenna with a "dropped toroid" radiation pattern may have several advantages above the conventional directional antennas commonly used in RFID applications.
Keyword Electronic vehicle identification
EVI
On-road antenna
RFID
RFID license plate
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status UQ

 
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