Effects of metallic plate size on the performance of microstrip patch-type tag antennas for passive RFID

Metallic objects are challenging for passive ultra high frequency (UHF) spectrum radio frequency identification (RFID) systems due to the effects of conductive materials on tag antenna performance. In this letter, we analyze the effects of metallic plate size on the performance of microstrip patch-t...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2005, Vol.4, p.410-413
Main Authors: Ukkonen, L., Sydanheimo, L., Kivikoski, M.
Format: Article
Language:English
Subjects:
Antennas
Computer simulation
Conducting materials
Effects of metal
Finite element method
Frequency
Ground plane
High frequencies
Inorganic materials
Mathematical analysis
Mathematical models
Microstrip antennas
Passive RFID tags
Patch antennas
Performance analysis
Periodic structures
Radio frequency identification
radio frequency identification (RFID)
Radiofrequency identification
tag antenna
UHF antennas
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Summary:Metallic objects are challenging for passive ultra high frequency (UHF) spectrum radio frequency identification (RFID) systems due to the effects of conductive materials on tag antenna performance. In this letter, we analyze the effects of metallic plate size on the performance of microstrip patch-type tag antennas. Microstrip patch antennas with regular ground plane and electromagnetic band gap (EBG) ground plane are studied attached to two differently sized metallic plates. Analysis is based on finite element method (FEM) simulations and practical read-range measurements.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2005.860212