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Alignment Control System Using Beam-Tilting 1-D Waveguide-Slot Array Antennas for 120-GHz-Band Corporate-Feed High-Gain 2-D Arrays
Akihiko HIRATA Jun TAKEUCHI Keisuke HASHIMOTO Jiro HIROKAWA
IEICE TRANSACTIONS on Communications
Publication Date: 2017/01/01
Online ISSN: 1745-1345
Type of Manuscript: PAPER
Category: Antennas and Propagation
alignment control, millimeter waves, plate-laminated waveguide, diffusion bonding, slot antenna,
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An alignment control system using beam-tilting 1-D arrays for a 120-GHz-band corporate-feed 2-D waveguide-slot array antenna is presented. The 2-D waveguide-slot array antenna transmits data, and the 1-D arrays are used to determine array alignment. We design two types of 1-D array antenna and fabricate a corporate-feed 2-D waveguide-slot array antenna surrounded by four beam-tilting 1-D arrays. We then construct an alignment control system and evaluate the performance of the control. We find that the angular accuracy of the antenna alignment control was within ±1deg.