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Half-mode substrate-integrated-waveguide cavity-backed slot antenna on cork substrate

Olivier Caytan (UGent) , Sam Lemey (UGent) , Sam Agneessens (UGent) , Dries Vande Ginste (UGent) , Piet Demeester (UGent) , Caroline Loss, Rita Salvado and Hendrik Rogier (UGent)
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Organization
Abstract
A wideband half-mode substrate-integrated-waveguide cavity-backed slot antenna covering all Unlicensed National Information Infrastructure (U-NII) radio bands (5.15-5.85 GHz) is designed, fabricated, and validated. By a half-mode implementation of a multimoded cavity with nonresonant slot, a compact ultrawideband antenna is obtained with very stable radiation characteristics, owing to the excellent antenna/platform isolation. Cork material is applied as antenna substrate, making the proposed antenna suitable for integration into floors or walls. In free-space conditions, an impedance bandwidth of 1.30 GHz (23.7%), a radiation efficiency of 85%, a front-to-back ratio of 15.0 dB, and a maximum gain of 4.3 dBi at 5.50 GHz are measured. Performance is also validated when the antenna is deployed on various dielectric or conducting platforms and underneath different dielectric superstrates. Only the latter slightly detunes the antenna's impedance bandwidth. Yet, the complete frequency band of interest remains covered, owing to additional design margins incorporated in the requirements. Its compactness, unobtrusive integration potential, and stable high performance in different environments make this antenna topology an ideal candidate for Internet of Things applications.
Keywords
802.11ac Wi-Fi, IBCN, cork antenna substrate, half-mode (HM) substrate-integrated-waveguide (SIW) cavity-backed slot antenna, Internet of Things (IoT), Unlicensed National Information Infrastructure (U-NII) radio bands

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Citation

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

Chicago
Caytan, Olivier, Sam Lemey, Sam Agneessens, Dries Vande Ginste, Piet Demeester, Caroline Loss, Rita Salvado, and Hendrik Rogier. 2016. “Half-mode Substrate-integrated-waveguide Cavity-backed Slot Antenna on Cork Substrate.” Ieee Antennas and Wireless Propagation Letters 15: 162–165.
APA
Caytan, O., Lemey, S., Agneessens, S., Vande Ginste, D., Demeester, P., Loss, C., Salvado, R., et al. (2016). Half-mode substrate-integrated-waveguide cavity-backed slot antenna on cork substrate. IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, 15, 162–165.
Vancouver
1.
Caytan O, Lemey S, Agneessens S, Vande Ginste D, Demeester P, Loss C, et al. Half-mode substrate-integrated-waveguide cavity-backed slot antenna on cork substrate. IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS. 2016;15:162–5.
MLA
Caytan, Olivier, Sam Lemey, Sam Agneessens, et al. “Half-mode Substrate-integrated-waveguide Cavity-backed Slot Antenna on Cork Substrate.” IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS 15 (2016): 162–165. Print.
@article{7241612,
  abstract     = {A wideband half-mode substrate-integrated-waveguide cavity-backed slot antenna covering all Unlicensed National Information Infrastructure (U-NII) radio bands (5.15-5.85 GHz) is designed, fabricated, and validated. By a half-mode implementation of a multimoded cavity with nonresonant slot, a compact ultrawideband antenna is obtained with very stable radiation characteristics, owing to the excellent antenna/platform isolation. Cork material is applied as antenna substrate, making the proposed antenna suitable for integration into floors or walls. In free-space conditions, an impedance bandwidth of 1.30 GHz (23.7\%), a radiation efficiency of 85\%, a front-to-back ratio of 15.0 dB, and a maximum gain of 4.3 dBi at 5.50 GHz are measured. Performance is also validated when the antenna is deployed on various dielectric or conducting platforms and underneath different dielectric superstrates. Only the latter slightly detunes the antenna's impedance bandwidth. Yet, the complete frequency band of interest remains covered, owing to additional design margins incorporated in the requirements. Its compactness, unobtrusive integration potential, and stable high performance in different environments make this antenna topology an ideal candidate for Internet of Things applications.},
  author       = {Caytan, Olivier and Lemey, Sam and Agneessens, Sam and Vande Ginste, Dries and Demeester, Piet and Loss, Caroline and Salvado, Rita and Rogier, Hendrik},
  issn         = {1536-1225},
  journal      = {IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS},
  keyword      = {802.11ac Wi-Fi,IBCN,cork antenna substrate,half-mode (HM) substrate-integrated-waveguide (SIW) cavity-backed slot antenna,Internet of Things (IoT),Unlicensed National Information Infrastructure (U-NII) radio bands},
  language     = {eng},
  pages        = {162--165},
  title        = {Half-mode substrate-integrated-waveguide cavity-backed slot antenna on cork substrate},
  url          = {http://dx.doi.org/10.1109/LAWP.2015.2435891},
  volume       = {15},
  year         = {2016},
}

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