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Circularly-polarised cavity-backed wearable antenna in SIW technology

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Abstract
This study presents a circularly-polarised substrate-integrated waveguide (SIW) antenna implemented using a textile substrate and operating at 2.45GHz, in the industrial, scientific, and medical frequency band. The antenna topology is based on a folded cavity with an annular ring as a radiating element, and it permits to obtain compact size and low sensitivity to the environment, without deteriorating the radiating performance. These characteristics, together with the choice of adopting a textile substrate, make the SIW antenna suitable for the integration in wearable systems for body-centric applications. The electromagnetic performance of the proposed antenna achieved in simulations was verified through the measurement of the device in an anechoic chamber. The circularly-polarised antenna exhibits a maximum gain of 6.5dBi, a radiation efficiency of 73% and a very high front-to-back ratio.
Keywords
TEXTILE ANTENNA, SUBSTRATE, wearable antennas, waveguide antennas, substrate integrated waveguides, UHF antennas, anechoic chambers (electromagnetic), circularly-polarised, cavity-backed wearable antenna, substrate-integrated waveguide antenna, SIW antenna, textile substrate, industrial-scientific-medical frequency, band, antenna topology, folded cavity, annular ring, radiating element, body-centric applications, electromagnetic performance, anechoic, chamber, frequency 2, 45 GHz, IBCN

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Citation

Please use this url to cite or link to this publication:

Chicago
Moro, Riccardo, Sam Agneessens, Hendrik Rogier, and Maurizio Bozzi. 2018. “Circularly-polarised Cavity-backed Wearable Antenna in SIW Technology.” Iet Microwaves Antennas & Propagation 12 (1): 127–131.
APA
Moro, R., Agneessens, S., Rogier, H., & Bozzi, M. (2018). Circularly-polarised cavity-backed wearable antenna in SIW technology. IET MICROWAVES ANTENNAS & PROPAGATION, 12(1), 127–131.
Vancouver
1.
Moro R, Agneessens S, Rogier H, Bozzi M. Circularly-polarised cavity-backed wearable antenna in SIW technology. IET MICROWAVES ANTENNAS & PROPAGATION. Hertford: Inst Engineering Technology-iet; 2018;12(1):127–31.
MLA
Moro, Riccardo, Sam Agneessens, Hendrik Rogier, et al. “Circularly-polarised Cavity-backed Wearable Antenna in SIW Technology.” IET MICROWAVES ANTENNAS & PROPAGATION 12.1 (2018): 127–131. Print.
@article{8545546,
  abstract     = {This study presents a circularly-polarised substrate-integrated waveguide (SIW) antenna implemented using a textile substrate and operating at 2.45GHz, in the industrial, scientific, and medical frequency band. The antenna topology is based on a folded cavity with an annular ring as a radiating element, and it permits to obtain compact size and low sensitivity to the environment, without deteriorating the radiating performance. These characteristics, together with the choice of adopting a textile substrate, make the SIW antenna suitable for the integration in wearable systems for body-centric applications. The electromagnetic performance of the proposed antenna achieved in simulations was verified through the measurement of the device in an anechoic chamber. The circularly-polarised antenna exhibits a maximum gain of 6.5dBi, a radiation efficiency of 73\% and a very high front-to-back ratio.},
  author       = {Moro, Riccardo and Agneessens, Sam and Rogier, Hendrik and Bozzi, Maurizio},
  issn         = {1751-8725},
  journal      = {IET MICROWAVES ANTENNAS \& PROPAGATION},
  language     = {eng},
  number       = {1},
  pages        = {127--131},
  publisher    = {Inst Engineering Technology-iet},
  title        = {Circularly-polarised cavity-backed wearable antenna in SIW technology},
  url          = {http://dx.doi.org/10.1049/iet-map.2017.0271},
  volume       = {12},
  year         = {2018},
}

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