DocumentCode :
1907055
Title :
A Comparative Analysis of Reflectometry Methods for Characterization of Antennas
Author :
Cataldo, A. ; Monti, G. ; Benedetto, E. De ; Cannazza, G. ; Tarricone, L. ; Catarinucci, L.
Author_Institution :
Dept. of Eng. for Innovation, Univ. of Salento, Lecce
fYear :
2008
fDate :
12-15 May 2008
Firstpage :
240
Lastpage :
243
Abstract :
Traditionally, antenna characterization measurements are performed in the frequency-domain through a Vector Network Analyzer (VNA) in anechoic chamber. Nevertheless, the expensiveness of this set-up prevents it from becoming widespread in laboratories. On such bases, in this paper a time-domain-based approach is comparatively investigated; such a method virtually makes the anechoic chamber unnecessary, thus dramatically reducing the related costs. The proposed approach, based on the evaluation of the scattering parameter (Su) from time domain reflectometry (TDK) data, has been tested for the characterization of a commercial Radio Frequency Identification (RFID) reader antenna. Data acquired in the time-domain are processed in the frequency-domain through a dedicated algorithm, thus allowing the Su extrapolation. Furthermore, results are compared to VNA measurements performed in an anechoic chamber. In order to assess the investigated method, from a metrological point of view, the root mean square error between the results is reported as a figure of merit. This way, it is demonstrated that calibrated time-domain measurements represent an alternative, inexpensive and accurate method for characterizing antennas.
Keywords :
S-parameters; antennas; extrapolation; frequency-domain analysis; mean square error methods; time-domain analysis; time-domain reflectometry; Radio Frequency Identification; Su extrapolation; antenna characterization measurement; frequency-domain analysis; root mean square error; scattering parameter; time domain reflectometry; time-domain analysis; Anechoic chambers; Antenna measurements; Frequency domain analysis; Frequency measurement; Performance analysis; Performance evaluation; Radiofrequency identification; Reflectometry; Reflector antennas; Time domain analysis; antenna measurements; frequency domain analysis; microwave reflectometry; scattering parameters; time domain reflectometry;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Instrumentation and Measurement Technology Conference Proceedings, 2008. IMTC 2008. IEEE
Conference_Location :
Victoria, BC
ISSN :
1091-5281
Print_ISBN :
978-1-4244-1540-3
Electronic_ISBN :
1091-5281
Type :
conf
DOI :
10.1109/IMTC.2008.4547038
Filename :
4547038
Link To Document :
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