RFID tag antenna matching to frequency dependent microchip impedance

Author

Loo, Chye-Hwa ; ElMahgoub, Khaled ; Yang, Fan ; Elsherbeni, Atef ; Kajfez, Darko ; Kishk, Ahmed ; Elsherbeni, Tamer ; Ukkonen, Leena ; Sydänheimo, Lauri ; Kivikoski, Markku ; Merilampi, Sari ; Ruuskanen, Pekka

Author_Institution

Dept. of Electr. Eng., Univ. of Mississippi, Oxford, MS

fYear

2008

fDate

5-11 July 2008

Firstpage

1

Lastpage

4

Abstract

The paper demonstrates that the reflection coefficient calculated using the frequency dependent microchip impedance shows better agreement between the simulation and measurement than power reflection coefficients calculated from fixed frequency microchip impedances. Thus it is recommended to consider this procedure while designing tag antennas for better performance across the desired frequency band of operation.

Keywords

UHF antennas; impedance matching; radiofrequency identification; RFID tag antenna matching; UHF RFID tag system; fixed frequency microchip impedances; frequency dependent microchip impedance; impedance matching; reflection coefficient calculation; Antenna measurements; Dipole antennas; Frequency dependence; Impedance matching; Ink; RFID tags; Radiofrequency identification; Reflection; Reflector antennas; Silver;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Society International Symposium, 2008. AP-S 2008. IEEE

Conference_Location

San Diego, CA

Print_ISBN

978-1-4244-2041-4

Electronic_ISBN

978-1-4244-2042-1

Type

conf

DOI

10.1109/APS.2008.4619582

Filename

4619582