High-Efficiency Elliptical Slot Antennas With Quartz Superstrates for Silicon RFICs

To increase the efficiency of on-chip patch and slot antennas, a single-layer superstrate is proposed. An analytical model to calculate the radiation efficiency is presented, and a detailed design approach is described. This antenna was implemented at W-band in the IBM CMOS8RF (0.13 \mu {\rm m} ) pr...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2012-11, Vol.60 (11), p.5010-5020
Main Authors: Edwards, Jennifer M., Rebeiz, Gabriel M.
Format: Article
Language:English
Subjects:
Antenna efficiency
antenna theory
Antennas
Applied sciences
dielectric loaded antennas
dielectric slabs
Dielectrics
Exact sciences and technology
Microstrip antennas
millimeter-wave antennas
millimeter-wave integrated circuits
Radiocommunications
Silicon
Slot antennas
submillimeter-wave antennas
Substrates
System-on-a-chip
Telecommunications
Telecommunications and information theory
{\rm Q} factor
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Description
Summary:To increase the efficiency of on-chip patch and slot antennas, a single-layer superstrate is proposed. An analytical model to calculate the radiation efficiency is presented, and a detailed design approach is described. This antenna was implemented at W-band in the IBM CMOS8RF (0.13 \mu {\rm m} ) process. The measured antenna results in a 3.9% impedance bandwidth, an efficiency of 30%, and a gain of 0.7 dBi at 89 GHz, which agrees well with simulations. The gain improvement with a quarter-wave superstrate is experimentally demonstrated to be 6.4 dB, representing a substantial improvement over traditional on-chip patch and slot antennas.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2012.2207353