期刊
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
卷 59, 期 3, 页码 742-750出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAP.2010.2103032
关键词
60 GHz; automotive radars; endfire antennas; millimeter-wave antennas; millimeter-wave communication systems; planar antennas; Yagi-Uda antenna
资金
- INTEL Corporation
- National Science Council, Taiwan [NSC97-2917-I-564-118]
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 (epsilon(r) = 2.2) with a thickness of 10 mils (0.254 mm). A 7-element design results in a measured S-11 of < -10 dB at 56.0 - 66.4 GHz with a gain > 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 58 - 63 GHz for h = 5 - 8. 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 < 3 dB amplitude variations. This antenna is ideal for inclusion in complex platforms, such as laptops, for point-to-point communication systems, either as a single element or a switched-beam system.
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