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http://dx.doi.org/10.5762/KAIS.2012.13.10.4773

3-D Beam Steering Antenna for Intelligent Beam-reconfigurable System  

Lee, Chang Yong (Department of Electronics Convergence Engineering, Kwangwoon University)
Kim, Yong-Jin (Department of Electrical Information, Inha Technical College)
Jung, Chang Won (Graduate School of NID Fusion Technology, Seoul National Univ. of Science and Technology)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.13, no.10, 2012 , pp. 4773-4779 More about this Journal
Abstract
In this paper we propose two types of reconfigurable 3-D beam steering antenna for intelligent or smart antenna system. Proposed antennas are composed of triangular(structure1.) or circuler(structure2.) loop structure and bended dipole antenna structure. This antenna can steer beam pattern of 6 direction at xy-plane state (0, 1, 2) and xz-plane state (3, 4, 5) by 4 switch motion with one antenna element. Antenna structure1. is symmetric equilibrium structures based on feeding point. There is no grounding point. As a result, designed antenna's gain is similar to dipole antenna. Also, As unbalanced structure by using CPWG in the form of a semicircular, structure2. is enhanced directivity. The operation frequency of antenna are 2.5 GHz(Structure1.) and 2.55 GHz(Structure2.), maximum gain is 1.04 ~ 2.06 dBi(Structure1. : Omni-directional beam), 1.6 ~ 4 dBi(structure2. : Directional beam). The overall HPBW is about over $160^{\circ}$ in the both of the xy-plane and xz-plane at structure1. and over $125^{\circ}$ at structure2.
Keywords
3-D beam steering; Reconfigurable antenna; Intelligent antenna; Dipole antenna; Loop antenna;
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Times Cited By KSCI : 1  (Citation Analysis)
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