Flexible and Stretchable Brush-Painted Wearable Antenna on a Three-Dimensional (3-D) Printed Substrate

Rizwan, Muhammad; Khan, M. Waqas A.; Sydänheimo, Lauri; Virkki, Johanna; Ukkonen, Leena

doi:10.1109/lawp.2017.2763743

Cited by 83 publications

(44 citation statements)

References 13 publications

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“…The other widespread technique comprises the incorporation of e-textiles (usually copper-or copper-nickel-plated nonwoven fabrics) with textile fabrics by thermally activated thermal sheets [79]. Lastly, additive manufacturing techniques, such as screen or ink-jet printing and 3D printing, may be applied to configure the antenna, reflector, and ground plane on the textiles [80][81][82]. Recently, a new substrate waveguide technique was designed for the production of wearable antenna entirely from textiles [83].…”

Section: Textiles Integrated With Electronicsmentioning

confidence: 99%

Recent Advances in Soft E-Textiles

Mondal

2018

Inventions

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E-textiles (electronic textiles) are fabrics that possesses electronic counterparts and electrical interconnects knitted into them, offering flexibility, stretchability, and a characteristic length scale that cannot be accomplished using other electronic manufacturing methods currently available. However, knitting is only one of the technologies in e-Textile integration. Other technologies, such as sewing, embroidery, and even single fiber-based manufacture technology, are widely employed in next-generation e-textiles. Components and interconnections are barely visible since they are connected intrinsically to soft fabrics that have attracted the attention of those in the fashion and textile industries. These textiles can effortlessly acclimatize themselves to the fast-changing wearable electronic markets with digital, computational, energy storage, and sensing requirements of any specific application. This mini-review focuses on recent advances in the field of e-textiles and focuses particularly on the materials and their functionalities.

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Section: Textiles Integrated With Electronicsmentioning

confidence: 99%

Recent Advances in Soft E-Textiles

Mondal

2018

Inventions

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“…Jung et al presented radiator length variation as a tuning method for body-plantar antennas [9]. The flexible antennas were fabricated by etching polyimide copper laminates [9], or 3D and inkjet printing of the conductor where the antenna's efficiency is adversely reduced due to the material's conductivity [10]. Only the work by Krykpayev et al and Mihajlovic et al demonstrates wireless transmitters realised on a flexible substrate [11,12].…”

Section: Introductionmentioning

confidence: 99%

Flexible 2.4 GHz Node for Body Area Networks With a Compact High-Gain Planar Antenna

Wagih

Wei

Beeby

2019

Antennas Wirel. Propag. Lett.

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A flexible 2.4 GHz wireless sensor node with a bespoke single layer monopole antenna, tuned for on-body operation for wearable applications, is presented. Multiple antenna design approaches for tuning on-body antennas have been investigated. The proposed antennas, patch and meandered, designed for operation in the insole, exhibit a simulated realised gain of-3.98 dB and-1.97 dB respectively. The antennas were fabricated on a 25 µm flexible polyimide substrate, exhibiting up to 16% lower insertion losses at 20 GHz than FR4 PCBs. The integrated node incorporates a commercial Bluetooth Low Energy (BLE) system-on-chip and exhibits 9 dB higher measured gain than commercial modules with reference antenna design. Moreover, through functional radio test, it was confirmed that the designed node passes Bluetooth transmitter certification tests.

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“…Examples include various microwave components [2], horn antennas [3], and dielectric lenses [4], among other. The applications range from space communications [5], 5G backhaul [4], to wireless body area networks [7], [8], for example. The latter, in particular, is an active research field which aims at deploying pervasive communication networks in the vicinity of the body [9]- [14].…”

Section: Introductionmentioning

confidence: 99%