A reconfigurable microstrip antenna for switchable polarization

A novel reconfigurable microstrip antenna with switchable polarization sense is proposed. The proposed antenna has a simple structure, consisting of a corner-truncated square radiating patch, four small triangular conductors, and a microstrip line feed. Using independently biased PIN diodes on the p...

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Bibliographic Details
Published in:IEEE microwave and wireless components letters 2004-11, Vol.14 (11), p.534-536
Main Authors: Sung, Y.J., Jang, T.U., Kim, Y.-S.
Format: Article
Language:English
Subjects:
Antenna feeds
Antenna measurements
Antennas
Applied sciences
Capacitors
Circuit properties
Communication switching
Conductors
Diodes
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Geometry
Linear polarization
Microstrip antenna
Microstrip antennas
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Microwaves
Mobile communication
Optical polarization
Patch antennas
PIN diodes
Polarization
Radiocommunications
switchable polarization
Telecommunications
Telecommunications and information theory
Voltage
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Summary:A novel reconfigurable microstrip antenna with switchable polarization sense is proposed. The proposed antenna has a simple structure, consisting of a corner-truncated square radiating patch, four small triangular conductors, and a microstrip line feed. Using independently biased PIN diodes on the patch, it can produce linear polarization, or left- or right-hand circular polarization according to bias voltages. From the measured results, low cross-polarization levels when operated in the linear state and good axial ratios in the circular state are observed.
ISSN:1531-1309
2771-957X
1558-1764
2771-9588
DOI:10.1109/LMWC.2004.837061