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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Hashmi, Raheel
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Topics
Publications (20/20 displayed)
- 2020Robustness analysis of the polymer-conductive-mesh composite for the realization of transparent and flexible wearable antennascitations
- 2019A stripline-based planar wideband feed for high-gain antennas with partially reflecting superstructurecitations
- 2019All-dielectric compact superstrates for high-gain resonant-cavity antennas
- 2019Closely-spaced resonant cavity antennas for meeting ETSI class-2 specifications
- 2018Compact high-gain antenna with simple all-dielectric partially reflecting surfacecitations
- 2018Transverse permittivity gradient (TPG) superstrates or lenscitations
- 2017Achieving a large gain-bandwidth product from a compact antennacitations
- 2017Aperture field transformation in resonant cavity antennas by transverse permittivity gradient superstrates
- 2016A Class of Extremely Wideband Resonant Cavity Antennas with Large Directivity-Bandwidth Productscitations
- 2016Wideband gain enhancement of slot antenna using superstructure with optimised axial permittivity variationcitations
- 2016Preliminary results of an array of resonant cavity antennas at 60 GHzcitations
- 2016Distribution profiles for transverse permittivity gradient superstrates in extremely wideband resonant cavity antennascitations
- 2016A simple electromagnetic bandgap resonator antenna for 60 GHz wireless applicationscitations
- 2016A planar feeding technique for wideband, low-profile resonant cavity antennascitations
- 2016Performance evaluation of conventional and planar feeds in Resonant Cavity Antennas
- 2016Wideband single-feed highly directive resonant cavity antennas with all-dielectric superstructures
- 2015Recent advances in electromagnetic band gap resonator antennas
- 2015Composite defect-mode superstructures and wideband EBG resonator Antennas
- 2015Composite defect-mode superstructures and wideband EBG resonator Antennas
- 2014Achieving high directivity-bandwidth through flat GRIN superstrates in Fabry-Perot cavity antennascitations
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article
Compact high-gain antenna with simple all-dielectric partially reflecting surface
Abstract
This communication presents a simplified approach to design compact, wideband resonant-cavity antennas (RCAs) with partially reflecting surfaces (PRSs) made out of only a single dielectric material. Gain enhancement over a large bandwidth is obtained by using a high-permittivity dielectric PRS, which is flat at the bottom and has a stair-case profile on the top. The resulting RCA demonstrates a measured directivity-bandwidth product (DBP) of 5990 and a DBP per unit area of 1222. To the best of our knowledge, these figures are comparable to the figures for RCAs with transverse permittivity gradient PRSs, which require multiple dielectric materials. The measured radiation patterns of this RCA demonstrate low sidelobe levels (<−15 dB in the E-plane and −20 dB in the H-plane, with a peak directivity of 20.3 dBi), which are consistent across the half-power directivity bandwidth.