Slot-Coupled Millimeter-Wave Dielectric Resonator Antenna for High-Efficiency Monolithic Integration

A readily mass-producible, flip-chip assembled, and slot-coupled III-V compound semiconductor dielectric resonator antenna operating in the millimeter-wave spectrum has been fabricated and characterized. The antenna has a 6.1% relative bandwidth, deduced from its 10 dB return loss over 58.8-62.5 GHz...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2013-04, Vol.61 (4), p.1599-1607
Main Authors: Ohlsson, L., Bryllert, T., Gustafson, C., Sjoberg, D., Egard, M., Arlelid, M., Wernersson, L.
Format: Article
Language:English
Subjects:
Antenna efficiency
Antenna measurements
Assembly
Condensed Matter Physics
Coplanar waveguides
Den kondenserade materiens fysik
Dielectric resonator antennas
dielectric resonator antennas (DRAs)
Dielectrics
Electrical Engineering, Electronic Engineering, Information Engineering
Elektroteknik och elektronik
Engineering and Technology
Feeds
Fysik
millimeter-wave antennas
millimeter-wave communication
Natural Sciences
Naturvetenskap
Physical Sciences
Teknik
Transmission line measurements
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Description
Summary:A readily mass-producible, flip-chip assembled, and slot-coupled III-V compound semiconductor dielectric resonator antenna operating in the millimeter-wave spectrum has been fabricated and characterized. The antenna has a 6.1% relative bandwidth, deduced from its 10 dB return loss over 58.8-62.5 GHz, located around the resonance at 60.5 GHz. Gating in the delay-domain alleviated the analysis of the complex response from the measured structure. The radiation efficiency is better than -0.1 dB in simulations fed from the on-chip coupling-structure, but reduced by 3.7 dB insertion loss through the measurement assembly feed. Antenna gain measurements show distortion in relation to the simulated pattern, which has a maximum gain of 6 dBi, mainly caused by interference from the electrically large connector used in the assembly. Mode degeneration in the utilized quadratic-footprint resonator was not seen to influence the performance of the antenna. The antenna is intended for on-chip integration and the fabrication technology allows scaling of the operation frequency over the complete millimeter-wave spectrum.
ISSN:0018-926X
1558-2221
1558-2221
DOI:10.1109/TAP.2012.2237005