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IEICE TRANSACTIONS on Electronics

A High-Efficiency Circularly-Polarized Aperture Array Antenna with a Corporate-Feed Circuit in the 60 GHz Band

Yohei MIURA, Jiro HIROKAWA, Makoto ANDO, Kazufumi IGARASHI, Goro YOSHIDA

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Summary :

A circularly-polarized planar array antenna using hexagonal aperture elements is proposed. A 22-element subarray as the basic unit is excited by a corporate-feed circuit located in the lower layer of the double-layered antenna. The hexagonal aperture is designed to achieve a good axial ratio in the boresight. A 1616-element array antenna with uniform element spacing smaller than the free-space wavelength was fabricated by diffusion bonding of laminated thin metal plates for the 60 GHz-band. The high gain of 33.4 dBic is measured with 91.6% antenna efficiency, including losses.

Publication
IEICE TRANSACTIONS on Electronics Vol.E94-C No.10 pp.1618-1625
Publication Date
2011/10/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E94.C.1618
Type of Manuscript
Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category
Microwave and Millimeter-Wave Antennas

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