Chaaracteristics of passive UHF RFID tags on liquids

Author

Arumugam, Darmindra D. ; Engels, Daniel W.

Author_Institution

Dept. of Electr. Eng., Univ. of Texas at Arlington, Arlington, TX, USA

fYear

2009

fDate

1-5 June 2009

Firstpage

1

Lastpage

4

Abstract

In this paper, we present an analytical view of the maximum far-field tag gain of a typical commercially available passive UHF RFID tag design operating at 915 MHz, which is the center frequency of the Industrial, Science, and Medical (ISM) band. The far field gain is calculated using FEKO 5.3 designed by EMSS, which is a computational electromagnetic (CEM) tool, and the method used here includes both the FEM/MoM hybrid method (for the tag design), as well as Green´s function for multi-layer planar structures (the liquid layer).

Keywords

Green´s function methods; UHF devices; computational electromagnetics; finite element analysis; method of moments; multilayers; radiofrequency identification; EMSS design; FEKO 5.3; FEM/MoM hybrid method; Green´s function; computational electromagnetic tools; frequency 915 MHz; maximum far-field tag gain; multilayer planar structures; passive UHF RFID tags; Chromium; Green´s function methods; Magnetic losses; Passive RFID tags; Permeability; Radio frequency; Radiofrequency identification; Supply chains; Surface waves; Tagging;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Society International Symposium, 2009. APSURSI '09. IEEE

Conference_Location

Charleston, SC

ISSN

1522-3965

Print_ISBN

978-1-4244-3647-7

Type

conf

DOI

10.1109/APS.2009.5172098

Filename

5172098