Design and Manufacturing of Robust Textile Antennas for Harsh Environments

Lilja, Juha; Salonen, P.; Kaija, T.; Maagt, P. de

doi:10.1109/tap.2012.2207035

Cited by 101 publications

(61 citation statements)

References 24 publications

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“…Then the wearable textile antenna will generally operate under the movement of human body, some specific deformations on the antenna such as bending (on cylinder or on a human arm) [13,[95][96][97][98] and crumpling [99,100] must be considered. The antenna should be measured under different environmental conditions such as high humidity to represent perspiration or exposure to water [101,102]. Additionally, the embroidered textile antennas are supposed to be part of the garment.…”

Section: Challenges Of Wearable Textile Antennasmentioning

confidence: 99%

Embroidery and Related Manufacturing Techniques for Wearable Antennas: Challenges and Opportunities

et al. 2014

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This paper will review the evolution of wearable textile antennas over the last couple of decades. Particular emphasis will be given to the process of embroidery. This technique is advantageous for the following reasons: (i) bespoke or mass produced designs can be manufactured using digitized embroidery machines; (ii) glue is not required and (iii) the designs are aesthetic and are integrated into clothing rather than being attached to it. The embroidery technique will be compared to alternative manufacturing processes. The challenges facing the industrial and public acceptance of this technology will be assessed. Hence, the key opportunities will be highlighted.

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Section: Challenges Of Wearable Textile Antennasmentioning

confidence: 99%

Embroidery and Related Manufacturing Techniques for Wearable Antennas: Challenges and Opportunities

et al. 2014

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“…Integration into clothing means that the washability of the antennas has been considered [4]. The antennas must also function in harsh environments [5]. The effect of bending and crumpling textile antennas on the impedance and radiation patterns has been considered [6], [7].…”

Section: Introductionmentioning

confidence: 99%

Inkjet-Printed Microstrip Patch Antennas Realized on Textile for Wearable Applications

Whittow

Chauraya

Vardaxoglou

et al. 2014

Antennas Wirel. Propag. Lett.

159

131

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“…The wideband material properties found by non-resonant methods may be used as initial values in a second more accurate resonancebased procedure, where narrowband patch antennas are constructed that resonate close to the frequency band of interest [17], [22]. These structures also enable to accurately quantify the effects of relative humidity or moisture [16], [19], [26], [35], of compression or strain [29], and of repeated washing cycles on the material properties [32]- [34], [36].…”

Section: Electrotextile Patch Antennamentioning

confidence: 99%

Wearable Antennas for Off-Body Radio Links at VHF and UHF Bands: Challenges, the state of the art, and future trends below 1 GHz

Nepa

Rogier

2015

IEEE Antennas Propag. Mag.

106

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Abstract-An in-depth survey of wearable antennas for offbody radio links in the VHF and UHF frequency bands (below 1 GHz) is presented. The review encompasses distinctive specifications, design criteria and challenges, material characterization procedures, antenna topologies and technologies, multi-antenna systems, dedicated testing procedures, applications and future trends.Index Terms-Wearable antennas, body-worn antennas, textile antennas, embroidered antennas, VHF antennas, UHF antennas, antennas for body-centric communications, antennas for body area networks, antennas for personal area networks, antennas for off-body wireless communications. I. INTRODUCTIONhere are several existing and forthcoming wireless applications that either require or can benefit from one or more antennas that are directly stitched on a piece of clothing or a garment, or integrated into a personal accessory (such as shoes, glasses, buttons, helmets). These antennas are usually referred to as body-worn antennas, textile antennas, BAN (Body Area Network) antennas, antennas for body-centric communications, wearable antennas. The last term is the one that is going to be used in this paper, as it denotes any antenna that is small and light enough to be worn or carried on one's body.In the last decades, hundreds of scientific papers on wearable antennas have been published in the open literature [1]- [8]. Therefore, for the sake of completeness and clarity, a valuable analysis of the state-of-the-art on wearable antennas should be limited to antennas for a specific application, a given frequency range, or a chosen antenna technology. In this context, the present review focuses on wearable antennas operating in the VHF band and part of the UHF frequency band (below 1 GHz). Choosing 1 GHz as an upper boundary for this review is highly relevant, as the operating frequency is usually the main parameter to discriminate among available antenna topologies, technologies and characterization techniques. Moreover, we limit our discussion on antennas for off-body radio links, also excluding antennas integrated into mobile terminals/cases and operating close to the body. Specifically, only wearable antennas that can be used separately from the radio unit are of interest here.VHF/UHF wearable antennas are mostly used in professional mobile radio communications for soldiers, emergency operators and law-enforcement personnel. VHF As far as VHF/UHF wearable antennas are concerned, many of their distinctive features are related to the fact that the corresponding free-space wavelength (with 30cm<<10m when 30MHz

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Design and Manufacturing of Robust Textile Antennas for Harsh Environments

Cited by 101 publications

References 24 publications

Embroidery and Related Manufacturing Techniques for Wearable Antennas: Challenges and Opportunities

Embroidery and Related Manufacturing Techniques for Wearable Antennas: Challenges and Opportunities

Inkjet-Printed Microstrip Patch Antennas Realized on Textile for Wearable Applications

Wearable Antennas for Off-Body Radio Links at VHF and UHF Bands: Challenges, the state of the art, and future trends below 1 GHz

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