Self-Shielded High-Efficiency Yagi-Uda Antennas for 60 GHz Communications

A high-efficiency self-shielded microstrip-fed Yagi-Uda antenna has been developed for 60 GHz communications. The antenna is built on a Teflon substrate (ε r = 2.2) with a thickness of 10 mils (0.254 mm). A 7-element design results in a measured S 11 of ; 9.5 dBi at 58 - 63 GHz. The antenna shows ex...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2011-03, Vol.59 (3), p.742-750
Main Authors: Alhalabi, Ramadan A, Yi-Chyun Chiou, Rebeiz, Gabriel M
Format: Article
Language:English
Subjects:
60 GHz
Antenna measurements
Antennas
Applied sciences
Arrays
automotive radars
Communication systems
Dipole antennas
endfire antennas
Exact sciences and technology
Gain
Gain measurement
Metals
Microstrip
millimeter-wave antennas
millimeter-wave communication systems
Noise levels
planar antennas
Planes
Platforms
Radiocommunications
Shielding
Telecommunications
Telecommunications and information theory
Yagi-Uda antenna
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Summary:A high-efficiency self-shielded microstrip-fed Yagi-Uda antenna has been developed for 60 GHz communications. The antenna is built on a Teflon substrate (ε r = 2.2) with a thickness of 10 mils (0.254 mm). A 7-element design results in a measured S 11 of ; 9.5 dBi at 58 - 63 GHz. The antenna shows excellent performance in free space and in the presence of metal-planes used for shielding purposes. A parametric study is done with metal plane heights from 2 mm to 11 mm, and the Yagi-Uda antenna results in a gain >; 12 dBi at 58 - 63 GHz for h = 5 - 8 mm. A 60 GHz four-element switched-beam Yagi-Uda array is also presented with top and bottom shielding planes, and allows for 180° angular coverage with
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2010.2103032