60-GHz High Gain Planar Aperture Antenna Using Low-Temperature Cofired Ceramics (LTCC) Technology

Publication Type:
Conference Proceeding
Citation:
2019 IEEE MTT-S International Wireless Symposium, IWS 2019 - Proceedings, 2019
Issue Date:
2019-05-01
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08803920.pdfPublished version3.41 MB
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© 2019 IEEE. This paper presents a new single-ended-fed planar aperture antenna using low-temperature co-fired ceramics (LTCC) process technology. The proposed antenna not only inherits the merits of the aperture antennas including high gain, wide bandwidth, but also exhibits advantages of low profile and compact size. The aperture is excited by a cross-shaped patch and a loop-shaped balun structure placing below the patch. In this way, the energy can propagate on the patch in a traveling wave form and illuminate the aperture with uniform E-field distributions. Therefore, the antenna achieves good electrical and radiation performances, which are comparable to its balancedfed counterparts, while processing a simplified structure. Measured results demonstrate that the impedance bandwidth of the antenna covers the 60-GHz license-free band (57-64GHz) and the maximum gain can reach 11.5 dBi with a cavity size of only about 27 mm2.
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