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Ban-Leong Ooi
Researcher at National University of Singapore
Publications - 167
Citations - 1591
Ban-Leong Ooi is an academic researcher from National University of Singapore. The author has contributed to research in topics: Microstrip antenna & Antenna measurement. The author has an hindex of 21, co-authored 167 publications receiving 1522 citations.
Papers
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Journal ArticleDOI
Novel design of broad-band stacked patch antenna
TL;DR: A novel broadband stacked E-shaped patch antenna is proposed, which has an input impedance bandwidth better than the conventional E- shaped microstrip patch antenna, and the radiation patterns are found to be relatively constant throughout the whole band.
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Band-notched ultra-wideband ring-monopole antenna
TL;DR: In this article, a planar ultra-wideband ring monopole antenna with a band-notch feature is presented, which is achieved by embedding a quarter-wavelength tuning stub in the circular ring.
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Broadband CPW-fed wide slot antenna
TL;DR: In this paper, a novel bow-tie slot antenna fed by CPW is investigated, which is designed to work on a thick substrate (h=62 mil) with a high dielectric constant (er=10.1).
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A compact wideband hybrid dielectric resonator antenna
TL;DR: In this paper, a novel wideband hybrid dielectric resonator antenna structure consisting of a rectangular D resonator (DR) and a coplanar waveguide (CPW) inductive slot is proposed.
Journal ArticleDOI
Design of 60- and 77-GHz Narrow-Bandpass Filters in CMOS Technology
TL;DR: It is found that the metallization losses in the coupled-line filter as well as the ground plane are the main reasons for the insertion loss of millimeter-wave narrow-bandpass filters in a standard 0.18- m CMOS technology.