Development of polarisation reconfigurable omnidirectional antennas using crossed dipoles | Zendy

Fan Yi | Zendy; Li RongLin | Zendy; Cui Yuehui | Zendy

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Development of polarisation reconfigurable omnidirectional antennas using crossed dipoles

Author(s) -

Fan Yi,

Li RongLin,

Cui Yuehui

Publication year - 2019

Publication title -

iet microwaves, antennas and propagation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.555

H-Index - 69

eISSN - 1751-8733

pISSN - 1751-8725

DOI - 10.1049/iet-map.2018.5490

Subject(s) - omnidirectional antenna , optics , dipole antenna , antenna (radio) , physics , reconfigurable antenna , dipole , directional antenna , coaxial antenna , computer science , telecommunications , quantum mechanics

A new method for the development of polarisation reconfigurable omnidirectional antennas is presented. Four crossed‐dipole elements around a cylinder are used to construct an omnidirectional antenna. By switching on/off four PIN diodes for each crossed‐dipole element, three types of polarisation reconfigurable omnidirectional antennas are realised, including vertical or horizontal polarisation (VP/HP), ±45° slant polarisation (SP), and left‐handed circular polarisation or right‐handed circular polarisation (LHCP/RHCP). The VP/HP, ±45° SP, and LHCP/RHCP reconfigurable omnidirectional antennas are simulated, fabricated, and measured, respectively. Simulated and measured results show that all the three reconfigurable omnidirectional antennas feature good omnidirectional patterns with gain variations of <2 dB in the horizontal plane.

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