Seo Kang, Jeong-Jin Kang, Young-Ho Cho, GeonUk Kang, Dong-shik Kang
언어
영어(ENG)
URL
https://www.earticle.net/Article/A462064
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원문정보
초록
영어
Recently, there has been a growing demand for low-profile antennas applicable to fields such as vehicles and VSAT products for satellite communication. In this paper, we present the development of a planar array antenna that combines a high-gain leaky waveguide antenna with a horn antenna. This antenna features a low-loss structure that facilitates beam tilt characteristics and achieves sufficient gain. The array antenna, consisting of 120 leaky wave elements, achieved a gain of 25.5 dBi and a beam tilt angle of 30 degrees at the center frequency of 12.2 GHz. The feed line employs a T-junction distribution method and WR-75 waveguide feeding to realize broadband low-loss characteristics. Future research will focus on horizontally polarized and circularly polarized antennas, as well as continuous improvements to the antenna's physical performance characteristics, such as gain, beamwidth, sidelobe levels, size, and weight.