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2019•Unpublished venueRequires access

Concept of a Polarization-Reconfigurable Omnidirectional Antenna

Ken Paramayudha, Yuyu Wahyu

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Abstract

This paper demonstrates the concept of a polarization-reconfigurable omnidirectional antenna. The proposed antenna is based on a circular patch surrounded with PIN diodes controlled arms. Polarization-reconfigurability is obtained by switching the state of the PIN diodes, enabling the antenna to radiate in two different modes of polarization, namely linear and circular. From the simulation results, the linearly-polarized radiation occurs in the frequency of 5.20-5.38 GHz, while from 5.29 to 5.45 GHz the antenna radiates in a circularly-polarized manner. Additionally, stable omnidirectional patterns are obtained in both polarization modes.

About this research paper

What this paper is about

This paper demonstrates the concept of a polarization-reconfigurable omnidirectional antenna. The proposed antenna is based on a circular patch surrounded with PIN diodes controlled arms. Polarization-reconfigurability is obtained by switching the state of the PIN diodes, enabling the antenna to radiate in two different modes of polarization, namely linear and circular. From the simulation results, the linearly-polarized radiation occurs in the frequency of 5.20-5.38 GHz, while from 5.29 to 5.45 GHz the antenna radiates in a circularly-polarized manner. Additionally, stable omnidirectional patterns are obtained in both polarization modes.

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Key contribution

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Method / approach

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Available abstract

This paper demonstrates the concept of a polarization-reconfigurable omnidirectional antenna. The proposed antenna is based on a circular patch surrounded with PIN diodes controlled arms. Polarization-reconfigurability is obtained by switching the state of the PIN diodes, enabling the antenna to radiate in two different modes of polarization, namely linear and circular. From the simulation results, the linearly-polarized radiation occurs in the frequency of 5.20-5.38 GHz, while from 5.29 to 5.45 GHz the antenna radiates in a circularly-polarized manner. Additionally, stable omnidirectional patterns are obtained in both polarization modes.

Key concepts: Omnidirectional antenna, Reconfigurable antenna, PIN diode, Optics, Reconfigurability, Circular polarization, Coaxial antenna, Helical antenna

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