NDLI: Simulation and experimental investigation of the radiation efficiency of a dielectric resonator antenna

Content Provider	IEEE Xplore Digital Library
Author	Qinghua Lai Fumeaux, C. Almpanis, G. Benedickter, H. Vahldieck, R.
Copyright Year	2008
Description	Author affiliation: ETH Zurich, Zurich (Qinghua Lai; Fumeaux, C.; Almpanis, G.; Benedickter, H.; Vahldieck, R.)
Abstract	In this paper, we attempt to get a deeper insight into the radiation efficiency of the DRA and the difference of accuracy between the D/G method and the Wheeler cap method by measuring a simple rectangular DRA at C band with both methods. It is, on one hand, confirmed that, the radiation efficiency of the DRA can be as high as 98% at C band. On the other hand, the comparison of the two efficiency measurement methods shows discrepancies that can be explained from simulations. The radiation efficiency obtained by the D/G method is generally lower than that by the Wheeler cap method. The paper demonstrates that this arises from the effect of cross-polarization and from the finite sampling of the radiation pattern used in the D/G technique, which are inherent defects of this method.
Starting Page	1
Ending Page	4
File Size	249740
Page Count	4
File Format	PDF
ISBN	9781424420414
DOI	10.1109/APS.2008.4618996
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-07-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Antenna measurements Antennas and propagation Dielectric resonator antennas Frequency measurement Antenna radiation patterns Dielectrics Gain
Content Type	Text
Resource Type	Article

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