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http://dx.doi.org/10.5515/KJKIEES.2013.24.5.492

A Multi-Polarization Reconfigurable Microstrip Antenna Using PIN Diodes  

Song, Taeho (Department of Electronic & Computer Engineering, Hanyang University)
Lee, Youngki (Department of Electronic & Computer Engineering, Hanyang University)
Park, Daesung (Samsung Thales)
Lee, Seokgon (Samsung Thales)
Kim, Hyoungjoo (Samsung Thales)
Choi, Jaehoon (Department of Electronic & Computer Engineering, Hanyang University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.24, no.5, 2013 , pp. 492-501 More about this Journal
Abstract
In this paper, a multi polarization reconfigurable microstrip antenna that can be used selectively for four polarizations(vertical polarization, horizontal polarization, right hand circular polarization, left hand circular polarization) at the S-band is presented. The proposed antenna consists of four PIN diodes and a microstrip patch with a cross slot and a circular slot and is fed by utiliting electromagnetic coupling between the microstrip patch and the feed line. The proposed antenna has a DC bias network to supply DC voltage to each PIN diode and the polarization can be determined by controlling the ON /OFF states of four PIN diodes. The fabricated antenna has a VSWR below 2 in the vertical polarization(3.17~3.21 GHz), the horizontal polarization(3.16~3.20 GHz), the left hand circular polarization (3.08~3.19 GHz), and the right hand circular polarization(3.10~3.2 GHz) frequency bands. The designed antenna has the cross polarization level higher than 20 dB, a gain over 5 dBi for the linear polarization states, and 3 dB axial ratio bandwidth wider than 50 MHz in the circular polarization states.
Keywords
Microstrip Patch Antenna; Reconfigurable; Axial Ratio; Polarization; PIN Diode;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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