NDLI: FDTD simulation of a wide-band half volume DRA

Content Provider	IEEE Xplore Digital Library
Author	Juntunen, J. Kivekas, O. Ollikainen, J. Vainikainen, P.
Copyright Year	2000
Description	Author affiliation: Radio Lab., Helsinki Univ. of Technol., Hut, Finland (Juntunen, J.)
Abstract	The half volume dielectric resonator antenna (DRA) is an interesting candidate to serve as a small wide-band antenna for new generation mobile phone handsets. The DRAs have relatively low losses and therefore they provide good radiation efficiency. Lehmus et al. (1999) observed that the bandwidth of a DRA is approximately proportional to the volume of the antenna in wavelengths. Thus, the main restriction in the miniaturization of the DRA is the availability and cost of suitable low-loss high-/spl epsiv/ dielectric materials. In this work we discuss the DRA design from the computational point of view. As a representative case we study a DRA manufactured from a material having /spl epsiv//sub r/'=16 and tan/spl delta/=7/spl times/10/sup -4/. We considered two models: 1) the antenna was placed above a finite ground plane, and 2) the antenna was placed on the top of a metal box representing a coarse mobile phone model.
Starting Page	223
Ending Page	226
File Size	284302
Page Count	4
File Format	PDF
ISBN	0780363779
DOI	10.1109/ISAPE.2000.894765
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-08-15
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Finite difference methods Time domain analysis Wideband Mobile antennas Dielectric resonator antennas Mobile handsets Dielectric materials Broadband antennas Telephone sets Bandwidth
Content Type	Text
Resource Type	Article

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