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Open AccessArticle

Paving the Way to Eco-Friendly IoT Antennas: Tencel-Based Ultra-Thin Compact Monopole and Its Applications to ZigBee

TSC. Electrical Engineering Dept., University of Oviedo, 33203 Gijón, Spain
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Sensors 2020, 20(13), 3658; https://doi.org/10.3390/s20133658
Received: 4 June 2020 / Revised: 23 June 2020 / Accepted: 25 June 2020 / Published: 30 June 2020
An ultrathin, compact ecofriendly antenna suitable for IoT applications around 2.45 GHz is achieved as a result of exploring the use of Tencel fabric for the antenna’s design. The botanical ecofriendly Tencel is electromagnetically characterized, in terms of relative dielectric permittivity and loss tangent, in the target IoT frequency band. To explore the suitability of the Tencel, a comparison is conducted with conventionally used RO3003, with similar relative dielectric permittivity, regarding the antenna dimensions and performance. In addition, the antenna robustness under bent conditions is also analyzed by measurement. To assess the relevance of this contribution, the ultrathin ecofriendly Tencel-based antenna is compared with recently published antennas for IoT in the same band and also, with commercial half-wave dipole by performing a range test on a ZigBee-based IoT testbed. View Full-Text
Keywords: textile antenna; sustainable fabrics; ecofriendly antenna; green antenna; flexible antenna; compact antenna; antenna for IoT; ZigBee; wearable antenna; energy efficient antenna textile antenna; sustainable fabrics; ecofriendly antenna; green antenna; flexible antenna; compact antenna; antenna for IoT; ZigBee; wearable antenna; energy efficient antenna
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MDPI and ACS Style

de Cos Gómez, M.E.; Fernández Álvarez, H.; Flórez Berdasco, A.; Las-Heras Andrés, F. Paving the Way to Eco-Friendly IoT Antennas: Tencel-Based Ultra-Thin Compact Monopole and Its Applications to ZigBee. Sensors 2020, 20, 3658.

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