Journal
IEEE ACCESS
Volume 7, Issue -, Pages 52226-52237Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2019.2912119
Keywords
5G antenna; automotive radar; beamforming; beam-switching; high gain; quasi-Yagi; remote sensing; Rotman lens
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A broadband high-gain millimeter-wave(mmWave) array beamforming network (BFN) design, analysis, and implementation based on the Rotman lens antenna array feeding are presented. The BFN is intended for operation in the (26-40) GHz frequency band for a wide range of potential applications in the fifth generation (5G). The system is made on Rogers substrate, RO6010, to provide compatibility with standard planar low-cost processing techniques for millimeter-wave monolithic integrated circuit (MMIC). The measured results show the system capability of 80 ffi beam scanning for different angles at -39.7 degrees,-26.5 degrees,-13.3 degrees, 0 degrees, +13.3 degrees, +26.5 degrees, and +39.5 degrees at 28 GHz. With these features in addition to being compact size, low profile, and lightweight, this BFN is suitable for various millimeter-wave and 5G applications such as the advanced multi-in multi-out (MIMO) systems, remote sensing, and automotive radar.
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