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Sensors 2015, 15(12), 31171-31179; doi:10.3390/s151229851

Pattern Switchable Antenna System Using Inkjet-Printed Directional Bow-Tie for Bi-Direction Sensing Applications

Electrical and Electronics Engineering, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Korea
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Author to whom correspondence should be addressed.
Academic Editor: Leonhard M. Reindl
Received: 19 October 2015 / Revised: 7 December 2015 / Accepted: 8 December 2015 / Published: 10 December 2015
(This article belongs to the Section Sensor Networks)
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Abstract

In this paper, we propose a paper-based pattern switchable antenna system using inkjet-printing technology for bi-direction sensor applications. The proposed antenna system is composed of two directional bow-tie antennas and a switching network. The switching network consists of a single-pole-double-throw (SPDT) switch and a balun element. A double-sided parallel-strip line (DSPSL) is employed to convert the unbalanced microstrip mode to the balanced strip mode. Two directional bow-tie antennas have different radiation patterns because of the different orientation of the reflectors and antennas. It is demonstrated from electromagnetic (EM) simulation and measurement that the radiation patterns of the proposed antenna are successfully switched by the SPDT switch. View Full-Text
Keywords: bow-tie antenna; inkjet-printing technology; paper-based antenna; pattern switchable antenna; reconfigurable antenna bow-tie antenna; inkjet-printing technology; paper-based antenna; pattern switchable antenna; reconfigurable antenna
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Eom, S.-H.; Seo, Y.; Lim, S. Pattern Switchable Antenna System Using Inkjet-Printed Directional Bow-Tie for Bi-Direction Sensing Applications. Sensors 2015, 15, 31171-31179.

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