Journal ArticleDOI
Permittivity and Loss Tangent Characterization for Garment Antennas Based on a New Matrix-Pencil Two-Line Method
TLDR
A new matrix-pencil two-line method that removes perturbations in the calculated effective permittivity and loss tangent which are caused by imperfect deembedding and inhomogeneities of the textile microstrip line structure is proposed.Abstract:
The emergence of wearable antennas to be integrated into garments has revealed the need for a careful electromagnetic characterization of textile materials. Therefore, we propose in this paper a new matrix-pencil two-line method that removes perturbations in the calculated effective permittivity and loss tangent which are caused by imperfect deembedding and inhomogeneities of the textile microstrip line structure. The approach has been rigorously validated for high-frequency laminates by comparing measured and simulated data for the resonance frequency of antennas designed using the calculated parameters. The method has been successfully applied to characterize the permittivity and loss tangent of a variety of textile materials and up to a frequency of 10 GHz. Furthermore it is shown that the use of electrotextiles in antenna design influences the effective substrate permittivity.read more
Citations
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Journal ArticleDOI
A Textile Antenna for Off-Body Communication Integrated Into Protective Clothing for Firefighters
TL;DR: The design, manufacture, and performance of the first textile planar antenna to be implemented on flexible protective foam, suitable for firefighter garments are described, which results in an antenna that is highly appropriate for garment integration.
Journal ArticleDOI
Textile materials for the design of wearable antennas: a survey.
TL;DR: A survey of the key points for the design and development of textile antennas, from the choice of the textile materials to the framing of the antenna is presented.
Journal ArticleDOI
Determination of Dielectric Constant of Fabric Materials and Their Use as Substrates for Design and Development of Antennas for Wearable Applications
S Sankaralingam,B Gupta +1 more
TL;DR: A novel approach to measure the dielectric constant of fabric substrate materials used for the development of wearable antennas (also called textile antennas) is presented, based on the resonance method, and shows superior performance characteristics compared to others, indicating the correctness of the approach.
Journal ArticleDOI
Compact Half Diamond Dual-Band Textile HMSIW On-Body Antenna
Sam Agneessens,Hendrik Rogier +1 more
TL;DR: In this paper, a dual-band textile antenna, designed for optimal on-body performance in the 2.4 and 5.8 GHz Industrial, Scientific and Medical bands, is proposed.
Journal ArticleDOI
Stability and Efficiency of Screen-Printed Wearable and Washable Antennas
TL;DR: In this paper, the authors proposed to cover textile antennas by a breathable thermoplastic polyurethane coating, protecting the antennas against water absorption and corrosion, and compared the performance of wearable antennas produced by screen printing conductive ink onto a textile substrate.
References
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Journal ArticleDOI
Matrix pencil method for estimating parameters of exponentially damped/undamped sinusoids in noise
Yingbo Hua,Tapan K. Sarkar +1 more
TL;DR: It is found through perturbation analysis and simulation that, for signals with unknown damping factors, the pencil method is less sensitive to noise than the polynomial method.
Journal ArticleDOI
Design and Characterization of Purely Textile Patch Antennas
TL;DR: In this paper, four purely textile patch antennas for Bluetooth applications in wearable computing using the frequency range around 2.4 GHz were presented, which can withstand clothing bends down to a radius of 37.5 mm without violating the Bluetooth specifications.
Journal ArticleDOI
Electrical characterization of textile transmission lines
TL;DR: In this paper, electrical characterization and modeling of conductive textiles are presented, and a dedicated measurement setup has been developed to allow reliable connection of the textile samples with the equipment cables.
Journal ArticleDOI
Aperture-Coupled Patch Antenna for Integration Into Wearable Textile Systems
TL;DR: In this paper, an aperture-coupled patch antenna (ACPA) was proposed for wearable textile systems. But the antenna was not made out of textile material and it was not integrated into garments.
Journal ArticleDOI
Robust planar textile antenna for wireless body LANs operating in 2.45 GHz ISM band
TL;DR: In this article, a single-feed rectangular-ring textile antenna is proposed for wireless body area networks operating in the 2.45 GHz ISM band, where conductive parts of the planar antenna consist of FlecTron/spl reg/, whereas fleece fabric is used as nonconductive antenna substrate.