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Young Ju Lee
Researcher at Samsung
Publications - 25
Citations - 689
Young Ju Lee is an academic researcher from Samsung. The author has contributed to research in topics: Antenna (radio) & Directivity. The author has an hindex of 11, co-authored 25 publications receiving 653 citations. Previous affiliations of Young Ju Lee include Pohang University of Science and Technology.
Papers
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Journal ArticleDOI
Application of electromagnetic bandgap (EBG) superstrates with controllable defects for a class of patch antennas as spatial angular filters
TL;DR: In this paper, two different defects, one introduced by the ground plane of the antenna and the other produced by a row of defect rods with different dielectric constants in the EBG structure, are simultaneously used as key controllers of directivity enhancement.
Journal ArticleDOI
Design of a high-directivity Electromagnetic Band Gap (EBG) resonator antenna using a frequency-selective surface (FSS) superstrate
TL;DR: In this article, a frequency-selective surface (FSS) superstrate was proposed as an alternative to an EBG type of dielectric superstrate to reduce its height and facilitate the fabrication process.
Journal ArticleDOI
A Novel Design Technique for Control of Defect Frequencies of an Electromagnetic Bandgap (EBG) Superstrate for Dual-Band Directivity Enhancement
TL;DR: In this article, the defect frequencies of an electromagnetic bandgap superstrate with the objective of enhancing the directivity of a patch antenna at two frequency bands were investigated and two different defect configurations, the first is introduced by the ground plane of the antenna while the other is produced by a row of rods with dissimilar dielectric constants in the EBG structure, are examined in detail in order to achieve dual-band operation.
Journal ArticleDOI
Directivity enhancement of circular polarized patch antenna using ring‐shaped frequency selective surface superstrate
TL;DR: In this article, a ring-shaped frequency selective surface (FSS) superstrate is designed to enhance the directivity of a circularly polarized patch antenna by reducing the sidelobe levels.
Proceedings ArticleDOI
Design of a frequency selective surface (FSS) type superstrate for dual-band directivity enhancement of microstrip patch antennas
TL;DR: In this paper, a two-layered frequency selective surface (FSS) superstrate was used as an alternative to a dielectric electromagnetic band gap superstrate for dual-band directivity enhancement and reduction in height.