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A Reconfigurable Circularly Polarized Microstrip Antenna Based on Alternating Stub-Slot Perturbation  

Lee, Dong-Hyo (한국항공우주연구원 위성정보활용센터 저궤도위성관제팀)
Lim, Eunsook (한밭대학교 정보통신공학과)
Kim, Il-Woong (한밭대학교 정보통신공학과)
Yang, Hyung-Mo (한국항공우주연구원 위성정보활용센터 저궤도위성관제팀)
Ahn, Sang-Il (한국항공우주연구원 위성정보활용센터 저궤도위성관제팀)
Pyo, Seongmin (한밭대학교 정보통신공학과)
Publication Information
Journal of Satellite, Information and Communications / v.10, no.3, 2015 , pp. 121-126 More about this Journal
Abstract
This paper proposes a novel reconfigurable microstrip antenna based on alternating a perturbation structure to achieve circular polarization diversity. The proposed antenna consists of an annular ring microstrip radiator for simultaneously loading stub and slot perturbations which support right- and left-handed circular polarization senses and two PIN diodes for choosing the operating polarization sense. By controlling the states of two PIN diodes between perturbing slot and stub at one diagonal corner of the radiator, reconfigurable circular polarization senses of the proposed antenna are successfully obtained and alternated. The proposed antenna has been theoretically analyzed and experimentally demonstrated at 2.4 GHz of S-band for satellite communication system. The simulation and measurement results of the proposed antenna show in good agreement with the reflection coefficients, axial-ratios, realized antenna gains, and radiation patterns.
Keywords
microstrip antenna; reconfigurable antenna; circular polarization; alternating perturbation;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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