Recent Advances in Fabrication Methods for Flexible Antennas in Wearable Devices: State of the Art.

Autor: Mohamadzade B; School of Engineering, Macquarie University, Sydney NSW 2109, Australia. bahare.mohamadzade@students.mq.edu.au., Hashmi RM; School of Engineering, Macquarie University, Sydney NSW 2109, Australia. raheel.hashmi@mq.edu.au., Simorangkir RBVB; School of Engineering, Macquarie University, Sydney NSW 2109, Australia. roy.simorangkir@mq.edu.au., Gharaei R; Faculty of Engineering, Islamic Azad University-South Tehran Branch, Tehran 15847-43311, Iran. reza.qaraei@gmail.com., Ur Rehman S; School of Computing and Mathematics, Charles Sturt University, Port Macquarie NSW 2444, Australia. sarehman@csu.edu.au., Abbasi QH; School of Engineering, University of Glasgow, Glasgow G12 8QQ, UK. Qammer.Abbasi@glasgow.ac.uk.
Jazyk: angličtina
Zdroj: Sensors (Basel, Switzerland) [Sensors (Basel)] 2019 May 19; Vol. 19 (10). Date of Electronic Publication: 2019 May 19.
DOI: 10.3390/s19102312
Abstrakt: Antennas are a vital component of the wireless body sensor networks devices. A wearable antenna in this system can be used as a communication component or energy harvester. This paper presents a detailed review to recent advances fabrication methods for flexible antennas. Such antennas, for any applications in wireless body sensor networks, have specific considerations such as flexibility, conformability, robustness, and ease of integration, as opposed to conventional antennas. In recent years, intriguing approaches have demonstrated antennas embroidered on fabrics, encapsulated in polymer composites, printed using inkjets on flexible laminates and a 3-D printer and, more interestingly, by injecting liquid metal in microchannels. This article presents an operational perspective of such advanced approaches and beyond, while analyzing the strengths and limitations of each in the microwave as well as millimeter-wave regions. Navigating through recent developments in each area, mechanical and electrical constitutive parameters are reviewed, and finally, some open challenges are presented as well for future research directions.
Databáze: MEDLINE
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