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학술대회 Converged Microwave Beam in Wireless Communication
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홍주연, 윤영근, 정영준, 변우진
International Symposium on Antennas and Propagation (ISAP) 2018, pp.853-854
18HR1400, 선제적 주파수 이용을 위한 시·공간적 스펙트럼 엔지니어링 기술 개발, 정영준
The OAM(orbital angular momentum) on microwave carrier frequencies makes radio spectra efficient. For several years microwave antennas of the OAM modes have been presented for transferring and multiplexing modes. In Laguerre Gaussian mode, where the general solution of paraxial approximation of transferring OAM emerges, however, OAMs have a divergence issue, thus making further application of OAMs challenging. We present simulated results to focus OAMs with the deformed helicoid wave-front. It produces higher order Bessel modes with orbital angular momentum, creating the focused OAM modes. The concept give benefit to future applications for the wireless backhaul and vehicular communication.
KSP 제안 키워드
Future applications, Gaussian mode, Higher order, OAM modes, Orbital Angular Momentum, Paraxial approximation, Vehicular Communication, general solution, microwave antenna, wireless backhaul, wireless communication