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A Four-Sector Shaped-Beam Antenna for 60-GHz Wireless LANs
Yasushi MURAKAMI Hisao IWASAKI Tooru KIJIMA Akihito KATO Takeshi MANABE Toshio IHARA Masayuki FUJISE
IEICE TRANSACTIONS on Electronics
Publication Date: 1999/07/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology)
microwave and millimeter wave technology, microstrip antenna, shaped beam, multi-sector antenna, wireless LANs,
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This paper presents a novel four-sector shaped-beam antenna suitable for base station antennas in 60-GHz wireless local area networks (LANs). The antenna has a plateau configuration, whose four side walls have four linearly arranged microstrip antennas. Each trapezoidal facet excites a shaped beam in the elevation plane in order to meet link-budget requirement between base station and remote terminal, taking account of directional patters of remote terminal antennas. Low-loss curved microstrip-line is applied to connect the three-dimensional antennas with active circuits mounted on a flat carrier plate. This antenna has been adopted as the base station antenna in 60-GHz wireless LANs. The first-stage transmission experiment confirms the usefulness of shaped-beam antennas in the 60-GHz band.