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https://hdl.handle.net/2440/134102
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Type: | Journal article |
Title: | A frequency-reconfigurable wearable textile antenna with one-octave tuning range |
Author: | Dang, Q.H. Chen, S.J. Ranasinghe, D.C. Fumeaux, C. |
Citation: | IEEE Transactions on Antennas and Propagation, 2021; 69(12):8080-8089 |
Publisher: | Institute of Electrical and Electronics Engineers (IEEE) |
Issue Date: | 2021 |
ISSN: | 0018-926X 1558-2221 |
Statement of Responsibility: | Quoc Hung Dang, Shengjian Jammy Chen, Damith Chinthana Ranasinghe and Christophe Fumeaux |
Abstract: | A reconfigurable wearable textile antenna with wide frequency tuning range is demonstrated in this work. Frequency agility is realized by adding a coplanar reconfiguration module to a planar inverted-F antenna (PIFA) constructed in textile technology. The reconfiguration module consists of a small flexible printed circuit board (PCB) which integrates a tuning circuitry with commercial snap-on buttons as electronic-to-textile connectors. Using this module equipped with a varactor diode, the frequency reconfigurability of the PIFA is investigated and optimized parametrically for maximum tuning range, exploiting a smooth transition from a quarter-wave to a half-wave patch resonant mode. A fabricated prototype demonstrates a very wide tuning range of approximately 70% (or one octave) with stable directive radiation characteristics, as predicted by simulations. The robust performance and mechanical stability of the reconfigurable antenna in various on-body and bending configurations validates the viability of the antenna tuning concept and the practicality of the proposed coplanar reconfiguration module. |
Keywords: | Flexible antennas; frequency-reconfigurable antennas; planar inverted-F antenna (PIFA); textile antennas; wearable antennas |
Rights: | © 2021 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission. See https://www.ieee.org/publications/rights/index.html for more information. |
DOI: | 10.1109/tap.2021.3083826 |
Grant ID: | http://purl.org/au-research/grants/arc/DP160103039 |
Published version: | http://dx.doi.org/10.1109/tap.2021.3083826 |
Appears in Collections: | Electrical and Electronic Engineering publications |
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